CN105283339A - Transmission device for working machine, and harvester - Google Patents
Transmission device for working machine, and harvester Download PDFInfo
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- CN105283339A CN105283339A CN201480032975.0A CN201480032975A CN105283339A CN 105283339 A CN105283339 A CN 105283339A CN 201480032975 A CN201480032975 A CN 201480032975A CN 105283339 A CN105283339 A CN 105283339A
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
- A01D69/06—Gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
- A01D41/1274—Control or measuring arrangements specially adapted for combines for drives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
- A01D41/12—Details of combines
- A01D41/127—Control or measuring arrangements specially adapted for combines
- A01D41/1278—Control or measuring arrangements specially adapted for combines for automatic steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K20/00—Arrangement or mounting of change-speed gearing control devices in vehicles
- B60K20/02—Arrangement or mounting of change-speed gearing control devices in vehicles of initiating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/02—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for main transmission clutches
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/20—Off-Road Vehicles
- B60Y2200/22—Agricultural vehicles
- B60Y2200/222—Harvesters
Abstract
In the present invention, a transmission device for a harvester has, inside a transmission case (43): a horizontal driven shaft (45) which is installed adjacently and in a posture parallel to an input shaft (44) of the transmission case (43); a horizontal side clutch shaft (46) which has a transmission rotor (82) which is interlocked with an output rotor (81) installed on the driven shaft (45); a selective gear-type transmission (47) for changing a motive force from the input shaft (44); and a pair of side clutches (83) which are positioned on the side clutch shaft (46) so as to individually connect/disconnect the transmission of the motive force from the transmission rotor (82) to right and left traveling devices. The input shaft (44) is installed on a horizontal output shaft (34), which is installed on an external device (A) connected to the transmission case (43), so as to integrally rotate with the output shaft (34) about the axial center of the output shaft (34). The transmission (47) is configured to transmit the motive force from input shaft (44) to the driven shaft (45) and is provided so as to extend from input shaft (44) to the driven shaft (45).
Description
Technical field
The present invention relates to the driving device of the working rig of the driving device of reaper etc.Working rig, except the reapers such as coventional type (full feed type) combination machine, half feed type combine harvester, carrot reaper and corn picker, also comprises haulage car and trac. etc., but is not limited to these.The invention still further relates to the working rig of this reaper etc.
Background technology
[1] in the driving device of the reaper of the example as working rig, be built-in with in transmission gearbox such as: left and right towards driven shaft, with the input shaft of parallel position adjacent to transmission gearbox; Left and right towards side clutch spindle, possess the transmission swivel with the output swivel interlock being configured in described driven shaft; Select the change-speed box of gear type, speed change is carried out to the power from described input shaft; One offside power-transfer clutch, is positioned on the axle of described side clutch spindle, is communicated with/cuts off the transmission from the described transmission swivel mobile devices of both sides to the left and right respectively.
As the driving device of reaper as above, following structure can be had: in the inside of change speed gear box (transmission gearbox), deceleration transmission is carried out from secondary transmission input shaft (input shaft) to secondary speed change tween drive spindle (driven shaft) by gear, exporting under driven off by shaft state from transmission body to secondary speed change, secondary speed-changing device (change-speed box) is equipped with in the mode of the secondary speed change tween drive spindle of bridging and secondary speed change output shaft, wherein, secondary speed change tween drive spindle has transmission body in the mode that can move freely, secondary transmission input shaft has secondary speed change output shaft (such as referenced patent document 1) in the mode that can relatively rotate.
[2] in the driving device of working rig, such as, with left and right towards be built in transmission gearbox side clutch spindle axle on be equipped with: with the mobile devices of the left and right sides a pair interlock swivel linking of interlock and the transmission to described a pair interlock swivel is carried out respectively the offside power-transfer clutch that is communicated with/cuts off independently.
As the driving device of working rig as above, following structure can be had: turned by the mobile sidespin of the tubular possessing engaging piece at a side respectively, the fixation side swivel of engagement part is possessed at a side, and towards the position that is communicated with that engaging piece and engagement part are meshed, one offside power-transfer clutch is formed to the turn Compress Spring etc. of force of mobile sidespin, the position opposed with each side power-transfer clutch in the transmission gearbox of a built-in offside power-transfer clutch etc., possesses the opening allowing side power-transfer clutch to pass through, and the cover component blocking this opening can be equipped with removably, thus can from the outside of transmission gearbox relative to side clutch spindle dismounting each side power-transfer clutch (such as referenced patent document 2).
[3] such as, possess at reaper: main transformer speed variator, it is arranged on the outside of change speed gear box, and just to be exported against stepless change by from case outward side to case inward side inserted through the output shaft of the end side sidewall of described change speed gear box by the power from driving engine; And the secondary speed-changing device of gear type, be loaded on described change speed gear box in it, and the power being passed to described output shaft carried out height 2 grades of speed changes according to operating condition and is delivered to mobile devices.
In reaper in the past, the output shaft of main transformer speed variator is set to cantilever-shaped from case outward side to case inward side inserted through the sidewall of the end side of change speed gear box, this cantilever-shaped output shaft one is rotatably outer is inserted with output gear, and the transmission gear that the speed change of the speed change input shaft being configured in secondary speed-changing device is inputted and output gear are engaged and linked and by transmission of power to secondary speed-changing device (such as referenced patent document 3).
[4] such as, reaper comprises: main transformer speed variator, its by the propulsive effort from driving engine just against stepless change; The secondary speed-changing device of gear type, is loaded on change speed gear box in it, and is provided with the gear row that can carry out multiple combination, the propulsive effort exported is carried out multi-change speed according to operating condition and be delivered to mobile devices from main transformer speed variator; Operation power-transfer clutch, it is communicated with/cuts off the propulsive effort transmission to homework department; Main transformer speed operating parts, it carries out variable speed operation to described main transformer speed variator; Secondary variable speed operation part, it carries out variable speed operation to secondary speed-changing device; And clutch operating part, it carries out the connection/rupturing operation of described operation power-transfer clutch.
In addition, as this reaper, there is the reaper described in patent documentation 4.The reaper that patent documentation 4 is recorded, by the secondary variable speed operation part of operation (being secondary shifter bar in document), can switch to the low speed speed change state of applicable harvesting, middling speed speed change state, and the higher speed gear state that applicable road travels.And, in this reaper, possess and mutually pin down mechanism, if be connected operation power-transfer clutch (being harvesting power-transfer clutch in document) operation, then this mutually pins down the mode that mechanism cannot be switched to higher speed gear state with secondary speed-changing device and pins down secondary variable speed operation part, and if secondary speed-changing device is manipulated into higher speed gear state, then this mutually pins down mechanism and pins down clutch operating part (in document for harvesting clutch lever) in cannot the be connected mode of operation of operation power-transfer clutch.
According to this reaper, when can reliably avoid travelling on expressway reaping part unpredictable action, low speed harvesting time body unexpected advancing at utmost speed.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2000-184817 publication (JP2000-184817A)
Patent documentation 2: Japanese Unexamined Patent Publication 2002-295635 publication (JP2002-295635A)
Patent documentation 3: Japanese Unexamined Patent Publication 2012-229787 publication (JP2012-229787A)
Patent documentation 3: the real public clear 61-003310 publication (JPS61-003310Y) of Japan
Summary of the invention
Invent problem to be solved
[1] corresponding with background technology [1] problem is as follows.
In said structure, by carrying out deceleration transmission from input shaft (secondary transmission input shaft) to driven shaft (secondary speed change tween drive spindle), the moment of torsion putting on change-speed box becomes large.Therefore, because the moment of torsion putting on change-speed box becomes large, the engagement of driven wheel (transmission gear) and driven gear under steam disengaging may be caused and to make change-speed box become the what is called of neutral condition out of supply.
In addition, in the inside of transmission gearbox (change speed gear box), the inside that deceleration transmission needs the speed reduction gearing (a pair gear) being used for this deceleration transmission to be provided to transmission gearbox is carried out from input shaft to driven shaft, therefore the transmission device in transmission gearbox complicates, and driving device becomes maximization.
The object of the invention is to, by the transmission device in reasonable disposition transmission gearbox, prevent the out of supply of the change-speed box being built in transmission gearbox, and realize the simplification of the transmission device in transmission gearbox and the miniaturization etc. of driving device.
[2] corresponding with background technology [2] problem is as follows.
According to said structure, when each side clutch pack is installed to side clutch spindle, the larger power of the effect of needs antagonism Compress Spring, from each opening of narrow transmission gearbox, carry out turning relative to the mobile sidespin of side clutch spindle or the installation of Compress Spring etc., and carry out the installation of the cover component relative to transmission gearbox, therefore rather difficult relative to the assembling of the side power-transfer clutch of side clutch spindle.
The object of the invention is to, make the assembling of the side power-transfer clutch relative to side clutch spindle become easy.
[3] corresponding with background technology [3] problem is as follows.
In above-mentioned existing structure, such as, when the traveling load in mobile devices become excessive grade, the driving load in transmission downstream become excessive time, then due to the driving counter-force from transmission downstream of versus output gear, the mate of the transmission gear that sometimes cantilever-shaped output shaft can input in the speed change in output gear and downstream, flexure deformation on the direction that engaging gear is separated from one another, makes each gear engage with heeling condition.And, if continue this driving condition occurs, then described each gear earlier breakage, gear may be caused can not to be carried out in advance by irregular wear situation that the use through between short-term such as good transmission just can not carry out transmission of power well.
The object of the invention is to, provide a kind of can the reaper of the good drive state of long term maintenance for transmission device.
[4] corresponding with background technology [4] problem is as follows.
The various operations such as reaper carries out common harvesting, the harvesting of lodging paddy stalk, ridge are crossed over, road travels, there is various suitable moving velocity (having scope to a certain degree) in these operations corresponding.Therefore, in the reaper described in patent documentation 1, except main transformer speed variator, have can three grades switch secondary speed-changing devices, suitable moving velocity can be realized simply.
But in order to the switching progression that the secondary speed-changing device setting school by gear type is many, need the gear cluster number increasing gear row, its result, the space shared by gear row becomes large, and change speed gear box becomes maximization.That is, the reaper recorded as patent documentation 4 can prevent to the speed change beyond suitable moving velocity, but if want to increase a kind of suitably moving velocity, then needs the gear cluster of increase by one group of gear row, from the viewpoint inefficiency in parts number of packages or space.
In view of this actual conditions, the object of the invention is to, a kind of combination machine is provided, it can minimally increase parts number of packages or space, obtain compact change speed gear box, and various suitable moving velocity can be realized simply, and can prevent to the speed change beyond suitable moving velocity.
For the scheme of dealing with problems
[1] solution that proposes of corresponding problem [1] is as follows.
Be built-in with at transmission gearbox: left and right towards driven shaft, be adjacent to described input shaft with the posture parallel with the input shaft of transmission gearbox; Left and right towards side clutch spindle, possess the transmission swivel of the output swivel interlock possessed with described driven shaft; Select the change-speed box of gear type, speed change is carried out to the power from described input shaft; And an offside power-transfer clutch, be positioned on the axle of described side clutch spindle, be communicated with/cut off the transmission from the described transmission swivel mobile devices of both sides to the left and right respectively,
In the left and right that the external device being connected to described transmission gearbox possesses towards output shaft, described input shaft is equipped with using the state rotated integrally as center and described output shaft in the axle center of described output shaft,
Be equipped with described change-speed box in the mode of input shaft described in bridging and described driven shaft, described change-speed box is from described input shaft to described driven shaft transmission.
According to this programme, can be the axle drive shaft of change-speed box by the input shaft dual-purpose of transmission gearbox, the axle center being configured in the output shaft of the external device being connected to transmission gearbox rotates integrally as center and output shaft by the input shaft of described transmission gearbox.Thus, compared with situation about such as the special axle drive shaft be provided separately with input shaft and input shaft being arranged abreast, can save from input shaft to drive mechanisms such as the driven off by shaft gears of driving.Its result, by simplifying the drive mechanism in transmission gearbox, can realize the facilitation of manufacture, the miniaturization etc. of driving device.In addition, may cause when can to prevent by this drive mechanism from input shaft to axle drive shaft deceleration transmission cause because the moment of torsion putting on change-speed box becomes large out of supply.
Therefore, except the change-speed box that can prevent from being built in transmission gearbox out of supply except, the simplification of the drive mechanism in transmission gearbox and the miniaturization etc. of driving device can also be realized.
In a preferred embodiment, described transmission swivel is provided in the central portion of described side clutch spindle, and described in a pair, power-transfer clutch decentralized configuration in side is in the left and right sides of described transmission swivel.
According to this programme, can symmetrical and balance form well: be provided in the offside power-transfer clutch on the axle of side clutch spindle; Via two driving systems of these side power-transfer clutchs from the mobile devices difference transmission of both sides to the left and right of side clutch spindle; And cover the case portion of transmission gearbox of these driving systems.In addition, two driving systems comprising an offside power-transfer clutch can use universal component to form.
Therefore, in driving device, for from side clutch spindle bridging to the drive mechanism of the mobile devices of the left and right sides, by universal component implementation structure simplification etc., can be formed described drive mechanism with the state that symmetrical balance is good and stable simultaneously.
In a preferred embodiment, described output swivel is provided in the central portion of described driven shaft.
According to this programme, the output swivel that the state being independently applied with moment of torsion all the time with the speed change level with change-speed box rotates is provided in the central portion of driven shaft, easily makes the moment of torsion of a pair axle branch in the transmission gearbox at the two ends being applied to supporting driven shaft become even thus.
Therefore, it is possible to suppress the durability of the axle branch of a side caused because the moment of torsion being applied to a pair axle branch becomes uneven grade to reduce and possibility that replacement frequency uprises.
In a preferred embodiment, the driven gear of described change-speed box is equipped in described driven shaft with the state adjacent with described output swivel.
According to this programme, the unnecessary interval between output swivel on the axle of driven shaft and driven gear can be eliminated, can driven shaft be shortened.
Therefore, it is possible to realize the miniaturization of change-speed box and the miniaturization of thing followed driving device.
In a preferred embodiment, described driven gear is equipped in described driven shaft with the state adjacent with the both sides of described output swivel.
According to this programme, the number of steps of speeds of change-speed box can be increased, and the unnecessary interval between the transmission gear eliminated on the axle of driven shaft and driven gear, can driven shaft be shortened.
Therefore, it is possible to increase the number of steps of speeds of change-speed box, and realize the miniaturization of change-speed box and the miniaturization of thing followed driving device.
In a preferred embodiment, gear part is possessed in the end side of described driven gear, the connecting portion of gear selecting is possessed in another side of described driven gear, described driven gear is formed and gear selecting operate with the connection gear that is connected of gearshift, described connection gear is equipped in described driven shaft with the state that described gear part is adjacent with described output swivel.
According to this programme, compared with the situation adjacent with exporting swivel with such as making the connecting portion of connection gear, the gear part of driven gear can be provided in the center side of driven shaft.Thereby, it is possible to make the moment of torsion of a pair axle branch in the transmission gearbox at the two ends being applied to supporting driven shaft become roughly even.
Therefore, it is possible to the durability of the axle branch of a side suppressing the difference of the moment of torsion owing to being applied to a pair axle branch to increase and cause reduces and possibility that replacement frequency uprises.
In a preferred embodiment, described change-speed box is often engagement type,
As described connection gear, possess except adjacent with described output swivel described be connected except gear other connect gear,
Described connection gear possesses the splined hub portion as described connecting portion respectively,
The spline shaft rotated integrally with described driven shaft adjacent with described output swivel described be connected gear described splined hub portion and the described described splined hub portion that other connect gear between state under, described other connect gears and are equipped in described driven shaft.
According to this programme, the gear selecting in order to carry out the connection gear adjacent with exporting swivel and other driven gears can be operated and be configured in spline shaft and the shift member communization of input shaft or driven shaft.
Its result, by cutting down the equipment quantity of spline shaft and shift member, can realize the simplification of speed changing structure, can realize the miniaturization of change-speed box and the miniaturization of thing followed driving device.
In a preferred embodiment, connect gear described speed-change apparatus is standby, described connection gear at one end side possess to operate with gear selecting with the connecting portion that is connected of gearshift,
At described connecting portion under the state of the end of the side contrary with the input side end of described input shaft of described input shaft or described driven shaft, described connection gear is equipped in described input shaft or described driven shaft.
According to this programme, the operating area of gear selecting is formed away from the input shaft of the input side end of input shaft or the shaft end side of driven shaft, therefore correspondingly, the extension elongation of the input side end in the input shaft of the operating area never needing gear selecting or driven shaft can be shortened, the width dimensions that stretch out direction on of change-speed box at input shaft or driven shaft can be shortened.
Its result, can realize the miniaturization of change-speed box and the miniaturization of thing followed driving device.
In a preferred embodiment, described speed-change apparatus standby to operate with gear selecting with the connection gear that is connected of gearshift,
Any one in described input shaft and described driven shaft is configured in the below of another one
Described input shaft or described driven shaft are provided in below, and described connection gear is equipped in described input shaft or described driven shaft.
According to this programme, with such as by connect gear be equipped in be configured in top input shaft or driven shaft situation compared with, the electrolyte level of the lubricating oil being stored in transmission gearbox can be reduced, the oily storage capacity in transmission gearbox can be reduced.Its result, the shortening of the required production time that can realize changing oil or, this reduction and the lightweight etc. of driving device.
Therefore, it is possible to realize the lightweight of driving device and the shortening etc. of required production time of changing oil.
In a preferred embodiment, described change-speed box is often engagement type, has multiple connection gear, and described connection gear at one end side possesses the splined hub portion as connecting portion, described connecting portion and gear selecting operate with gearshift be connected,
Described input shaft or described driven shaft are equipped with multiple described connection gear in the mode that can relatively rotate, described input shaft or described driven shaft are in the respective adjacent regions adjacent with described splined hub portion, spline shaft is possessed with the state rotated integrally, described spline shaft can be connected with adjacent described splined hub portion via described gearshift
In the described spline shaft of each adjacent regions, single described connection gear is formed with the state of multiple splines connected, by can the outer splined hub being equipped in described input shaft or described driven shaft form removably as the spline shaft of the regulation of connecting object with the end side only at its outer peripheral face.
By the way, in the input shaft equipping multiple connection gear in the mode that can relatively rotate or driven shaft, for the splined hub forming the spline shaft that it specifies, such as, if each spline forming its outer peripheral face to be formed as the length at the two ends of bridging splined hub, then when splined hub spline is entrenched in driven shaft, do not need consider splined hub towards, can simply carry out its spline be fitted together to.On the other hand, regardless of splined hub towards irrelevant, in order to carry out the attended operation being carried out splined hub and driven gear by gearshift part smoothly, need to implement the high chamfer machining for the treatment of cost at the both ends of each spline, realizing, in treating cost reduction, there is room for improvement, wherein, shift member slides in the mode in the splined hub portion of bridging splined hub and driven gear.
Therefore, in this programme, form by the end side only at the outer peripheral face of splined hub the multiple splines connected, only need to implement above-mentioned chamfer machining in the end being positioned at the end of splined hub of these splines.
Thus, the reduction for the treatment of cost can be realized with implement the situation of chamfer machining at the both ends of each spline compared with, and when splined hub spline is fitted to driven shaft, can from the outward appearance of splined hub easily identify be suitable for splined hub that this spline is fitted together to towards, the generation in mistake assembling splined hub spline being fitted to by splined hub under the state mistaken driven shaft can be prevented.
In a preferred embodiment, described transmission gearbox possesses opening, and described opening makes the end of the side contrary with the end of input side of described input shaft expose.
According to this programme, continuously variable unit or motor is adopted at such as external device, power from continuously variable unit or motor is input in the structure of the input shaft of transmission gearbox, when the operating parts of continuously variable unit or motor is operated to center position or stop position, directly can find out whether input shaft stops the rotation.
Its result, when external device adopts continuously variable unit or motor, the stopping of the neutrality adjustment or motor that easily can carrying out continuously variable unit regulates.
In a preferred embodiment, possess the oil of the inside returning described transmission gearbox from hydraulic efficiency equipment is supplied to described change-speed box with gear selecting operate with the oil circuit of connection gear that is connected of gearshift.
According to this programme, even if be stored in the supply of the lubricating oil of transmission gearbox due to carelessness, when causing the liquid level of lubricating oil lower than the height and position connecting gear, the input shaft that also can prevent the deficiency due to lubricating oil from causing or driven shaft glue with the burning being connected gear.
In a preferred embodiment, possess: left and right towards the traveling axle drive shaft of the left and right sides, from described transmission gearbox bridging to the described mobile devices of correspondence; And the speed reduction gearing of the left and right sides, the dynamic retarding of the described side power-transfer clutch via correspondence is delivered to described traveling axle drive shaft.
According to this programme, by possessing speed reduction gearing in the transmission direction downstream of each side power-transfer clutch, the moment of torsion being applied to each side power-transfer clutch can be alleviated, easily can carry out the connection/rupturing operation of each side power-transfer clutch.
Therefore, it is possible to realized the raising of the revolution operability of car body by the connection/rupturing operation of each side power-transfer clutch.
In a preferred embodiment, possess between described side clutch spindle and the described traveling axle drive shaft of the left and right sides left and right towards relay axis,
The described speed reduction gearing of the left and right sides possesses the first reduction part from described side clutch spindle bridging to described relay axis and respectively from described relay axis bridging to the second reduction part of described traveling axle drive shaft.
According to this programme, the diameter of the driven-side rotor that each speed reduction gearing can be made to adopt reduces, and improves the degree of freedom of the configuration of each speed reduction gearing in transmission gearbox, can increase the reduction ratio of each speed reduction gearing.
Therefore, it is possible to easily carry out the equipment of each speed reduction gearing in transmission gearbox, and larger driving torque can be obtained in motion.
In a preferred embodiment, described first reduction part and described second reduction part are respectively the gear type making a pair gears meshing interlock,
Described relay axis is provided in the position of the front upper place relative to described traveling axle drive shaft, and described side clutch spindle is provided in the position of the back upper place relative to described relay axis.
According to this programme, and such as by side clutch spindle, relay axis and travel compared with situation that axle drive shaft is equipped with side by side at above-below direction, the lower-upper length of each speed reduction gearing can be shortened.
And, when the advance that frequency of utilization is high travels, be applied to each relay axis the propulsive effort from side clutch spindle and from the driving counter-force of each traveling axle drive shaft by cancelling out each other vertical component and reducing, and be distributed to side clutch spindle via the gear of the gear of relay axis and each gear of side clutch spindle and relay axis and each gear travelling axle drive shaft and respectively travel axle drive shaft.On the other hand, when the low retrogressing of frequency of utilization travels, be applied to the propulsive effort of relay axis and drive counter-force by cancelling out each other vertical component and reducing, and being only applied to relay axis.
That is, when travelling with the advance high in frequency of utilization, propulsive effort is compared with the situation driving counter-force to be only applied to relay axis, can alleviate the moment of torsion of the Ge Zhou branch being applied to supporting relay axis.
Therefore, it is possible to realized the miniaturization of driving device by the lower-upper length shortening each speed reduction gearing, and the durability of the Ge Zhou branch of supporting relay axis can be improved.
In a preferred embodiment, described output swivel and described transmission swivel are made up of the gear of the interlock that is engaged with each other,
Described driven shaft is provided in the position of the front upper place relative to described side clutch spindle, and described input shaft is provided in the position of the back upper place relative to described driven shaft.
According to this programme, compared with situation about such as input shaft, driven shaft and side clutch spindle being equipped with side by side at above-below direction, the lower-upper length of driving device can be shortened.
And, when the advance that frequency of utilization is high travels, be applied to driven shaft the propulsive effort from input shaft and from the driving counter-force of side clutch spindle by cancelling out each other vertical component and reducing, and be distributed to input shaft and side clutch spindle via the gear of output of the driven gear of driven shaft and the driven wheel of input shaft and driven shaft and the gear of side clutch spindle.On the other hand, when the low retrogressing of frequency of utilization travels, be applied to the propulsive effort of driven shaft and drive counter-force by cancelling out each other vertical component and reducing, and being only applied to driven shaft.
That is, when travelling with the advance high in frequency of utilization, propulsive effort is compared with the situation driving counter-force to be only applied to driven shaft, can alleviate the moment of torsion of the Ge Zhou branch being applied to supporting driven shaft.
Therefore, it is possible to realize the miniaturization of driving device, and the durability of the Ge Zhou branch of supporting driven shaft can be improved.
In a preferred embodiment, described side clutch spindle is provided in than described input shaft and described traveling axle drive shaft position rearward.
According to this programme, the lower-upper length of driving device can be suppressed elongated, and the spacing distance between side clutch spindle and relay axis can be increased, the reduction ratio between side clutch spindle and relay axis can be increased further.
Therefore, it is possible to suppress the maximization of driving device, and larger driving torque can be obtained in motion.
In a preferred embodiment, described relay axis is provided in than described driven shaft position on the front.
According to this programme, the lower-upper length of driving device can be suppressed elongated, and relay axis and each spacing distance travelled between axle drive shaft can be increased, relay axis and each reduction ratio travelled between axle drive shaft can be increased further.
Therefore, it is possible to suppress the maximization of driving device, and larger driving torque can be obtained in motion.
[2] solution that proposes of corresponding problem [2] is as follows.
The left and right being built in transmission gearbox towards side clutch spindle axle on be equipped with: a pair interlock swivel, interlock is attached at the mobile devices of the left and right sides respectively; And an offside power-transfer clutch, be communicated with/cut off the transmission to interlock swivel described in a pair respectively,
Described in a pair, side power-transfer clutch comprises respectively: cylinder axle, can be carried out the state of dismounting by the mode of sliding relative to described side clutch spindle on the axis direction of described side clutch spindle, and can with the relative rotation fitted in described side clutch spindle; Mobile sidespin is turned, and possesses engaging piece at a side; Fixation side swivel, possesses engagement part at a side; Compress Spring, to turn force to described mobile sidespin in the position that is communicated with of carrying out engaging towards described engaging piece and described engagement part; Retainer, turns to described mobile sidespin in described connection position and stops; And spring perch, accept an end of described Compress Spring,
For each in side power-transfer clutch described in a pair, turn and the configuration mode of described Compress Spring between described retainer and described spring perch with described mobile sidespin, and can relative to the state that described cylinder axle slides on the axis direction of described side clutch spindle with described mobile sideway swivel body, equip described mobile sidespin at the peripheral part of described cylinder axle in the mode rotated integrally with described cylinder axle to turn, described Compress Spring, described retainer and described spring perch, described cylinder axle, described mobile sidespin is turned, described Compress Spring, described retainer and described spring perch are integrally formed the sliding unit of slip, described sliding unit can relative to the clutch spindle dismounting of described side on the axis direction of described side clutch spindle.
According to this programme, when assembling each side power-transfer clutch to side clutch spindle, by installing each sliding unit to side clutch spindle, the mobile sidespin of the component parts as each side power-transfer clutch can be turned and Compress Spring etc. is assembled to side clutch spindle.And, when installing each sliding unit to side clutch spindle, do not need the larger power of effect resisting Compress Spring, therefore, it is possible to easily carry out mobile sidespin turn and Compress Spring etc. relative to the assembling of side clutch spindle.
On the other hand, need that the mobile sidespin of larger power of the effect resisting Compress Spring is turned, Compress Spring etc. can use required instrument freely to carry out in the outside of transmission gearbox relative to the dismounting of cylinder axle, and can not by the restriction of operating area, therefore, it is possible to easily carry out that mobile sidespin is turned, Compress Spring etc. is relative to the assembling of cylinder axle.
Therefore, it is possible to significantly improve the assembleability of each side power-transfer clutch relative to side clutch spindle.
In a preferred embodiment, be provided in the central portion of described side clutch spindle to the transmission swivel of interlock swivel transmission described in a pair via side power-transfer clutch described in a pair,
Described in a pair, power-transfer clutch decentralized configuration in side is in the left and right sides of described transmission swivel, and, described in a pair, interlock swivel decentralized configuration is in the left and right sides of described transmission swivel, and side power-transfer clutch described in a pair is communicated with/cuts off the transmission from described transmission swivel to the described interlock swivel with described side power-transfer clutch homonymy.
According to this programme, can symmetrical and balance form well be provided in side clutch spindle axle on an offside power-transfer clutch and a pair interlock swivel and carry out the driving system of the dual system of transmission via these side power-transfer clutchs and interlock swivel respectively from the mobile devices of side clutch spindle both sides to the left and right and cover the case portion of transmission gearbox of these driving systems.In addition, universal component can be used to form the driving system comprising the dual system of an offside power-transfer clutch and a pair interlock swivel.
Therefore, in driving device, for from side clutch spindle bridging to the drive mechanism of the mobile devices of the left and right sides, by universal component implementation structure simplification etc., and described drive mechanism can be formed with the state that symmetrical balance is good and stable.
In a preferred embodiment, using described mobile sidespin turn as driven-side rotor play function and described fixation side swivel as the state that drive side swivel plays function formed in side power-transfer clutch described in a pair each, formed sliding unit described in each using the state of the described interlock swivel possessing the correspondence as one of component parts.
According to this programme, turn by making the mobile sidespin as one of the component parts of sliding unit and form the driven-side rotor of side power-transfer clutch, the interlock swivel being configured in the transmission direction downstream of side power-transfer clutch on the axle of side clutch spindle can be formed one of component parts of sliding unit, thereby, it is possible to improve relative to the side power-transfer clutch of side clutch spindle and the assembleability of interlock swivel.
In a preferred embodiment, with a pair described in the side power-transfer clutch separately opposed opposed position of described transmission gearbox on the axis direction of described side clutch spindle possesses the opening allowing described sliding unit to pass through, and the cover component blocking described opening can be equipped with removably, for sliding unit described in each, dismounting can be carried out from the outside of described transmission gearbox relative to described side clutch spindle.
According to this programme, relative to the side clutch spindle be assembled in transmission gearbox, easily each sliding unit can be installed to side clutch spindle from the outside of transmission gearbox via opening, and not need the larger power of the effect resisting Compress Spring.
In addition, when carrying out the maintenance of each sliding unit, can from each sliding unit of opening dismounting of transmission gearbox, and without the need to decomposing transmission gearbox.And, need decomposition and the assembling group of each sliding unit of the larger power of the effect resisting Compress Spring, required instrument can be used freely to carry out in the outside of transmission gearbox, and can not by the restriction of operating area.
Therefore, it is possible to improve each sliding unit relative to the disassembly of side clutch spindle and the maintainability to each sliding unit.
In a preferred embodiment, described cover component possesses axle branch separately, and the end of described side clutch spindle is supported by described axle branch.
According to this programme, by assembling each cover component at transmission gearbox, can by the end of Ge Zhou branch support side clutch spindle.In addition, by dismantling each cover component from transmission gearbox, Ge Zhou branch can be dismantled from transmission gearbox together with each cover component.
Thus, with carry out respectively each cover component and Ge Zhou branch relative to the dismounting of transmission gearbox situation compared with, the number of working processes of dismounting needed for them can be cut down.And when such as carrying out the maintenance to Ge Zhou branch such as bearing replacing, the instrument needed for can using in the outside of transmission gearbox freely carry out this upkeep operation, and can not be subject to the restriction of operating area.
Therefore, it is possible to improve each cover component and the Ge Zhou branch disassembly relative to transmission gearbox, and the maintainability to each sliding unit and Ge Zhou branch can be improved.
In a preferred embodiment, described fixation side swivel separately with by the axis direction of described side clutch spindle slide thus the state of dismounting can be carried out fitted in described side clutch spindle relative to described side clutch spindle,
Described opening is formed as the size allowing described fixation side swivel to pass through separately.
According to this programme, relative to the side clutch spindle be assembled in transmission gearbox, easily each fixation side swivel can be carried out dismounting via opening to side clutch spindle from the outside of transmission gearbox together with each sliding unit, and not need the larger power of the effect resisting Compress Spring.
Therefore, it is possible to each side power-transfer clutch that raising is made up of sliding unit and fixation side swivel is relative to the disassembly of side clutch spindle and the maintainability to each side power-transfer clutch.
In a preferred embodiment, side power-transfer clutch described in a pair possesses the spur gear as described fixation side swivel separately, and described spur gear has the facewidth of more than 2 times of the length of action that the described engaging piece of turning with described mobile sidespin engages.
According to this programme, when the engagement part wearing and tearing of fixation side swivel, by fixation side swivel is again assembled to side clutch spindle after side clutch spindle temporary removal also upset, its wearing and tearing can be eliminated.
Therefore, it is possible to make the life-span of each fixation side swivel become 2 times, the reduction of the operating cost needed for the power-transfer clutch of each side can be realized.
In a preferred embodiment, described fixation side swivel separately fitted in described side clutch spindle ratio described in sliding unit by the position of shaft end side.
According to this programme, when carrying out changing the maintenance to each fixation side swivel such as each fixation side swivel, can not need to carry out the dismounting of sliding unit relative to side clutch spindle.
Therefore, it is possible to improve the maintainability to each fixation side swivel.
In a preferred embodiment, described in a pair, interlock swivel possesses driven wheel,
Using described mobile sidespin turn as driven-side rotor play function and described fixation side swivel as the state that drive side swivel plays function formed in side power-transfer clutch described in a pair each, formed sliding unit described in each using the state of the described driven wheel possessing the correspondence as one of component parts.
According to this programme, by the driven-side rotor forming side power-transfer clutch that the mobile sidespin of one of the component parts as sliding unit is turned, the interlock swivel being provided in the transmission direction downstream of side power-transfer clutch on the axle of side clutch spindle can be formed one of component parts of sliding unit, thereby, it is possible to improve side power-transfer clutch and the interlock swivel assembleability relative to side clutch spindle.
By the way, when such as interlock swivel be driving pulley or drive sprocket, the dismounting of the sliding unit carrying out comprising interlock swivel from the opening of transmission gearbox relative to side clutch spindle, from this opening, the operation that driving band or messenger chain carry out dismounting relative to driving pulley or drive sprocket is needed to spend larger time, therefore from opening, sliding unit is carried out dismounting relative to side clutch spindle and become difficulty.
In contrast, in this programme, interlock swivel is driven wheel, can not easily carry out comprising the dismounting of sliding unit relative to the opening from transmission gearbox of side clutch spindle of this driven wheel with taking time and energy.
Therefore, it is possible to raising comprises the disassembly of sliding unit relative to the opening from transmission gearbox of side clutch spindle of driven wheel.
In a preferred embodiment, each leisure of described sliding unit described cylinder axle is equipped with described driven wheel.
When such as move sidespin turn possess driven wheel, the slide displacement that the mobile sidespin carried out along with the connection/rupturing operation by side power-transfer clutch is turned, driven wheel carries out slide displacement relative to the driven gear be engaged and linked with driven wheel, between driven wheel and driven gear, therefore produce the wearing and tearing caused by this slide displacement.
In contrast, in this programme, the cylinder axle equipment driven wheel that mobile sidespin turns can be supported slidably, therefore above-mentioned wearing and tearing can be avoided in advance.
Therefore, it is possible to the durability of driven gear improving the driven wheel that possesses of sliding unit and be engaged and linked with this driven wheel.
In a preferred embodiment, described in each on the axle of described side clutch spindle of described transmission gearbox, the outer circumferential side of sliding unit is equipped with the multiple-piece side brake of described mobile devices corresponding to braking,
Described sliding unit is separately to possess the brake hub of the corresponding described side brake as one of component parts with the state that described cylinder axle rotates integrally.
According to this programme, can brake rotary be carried out, utilize the mobile devices of side brake to revolution inner side to brake, the assembleability of each side brake can be improved.
In a preferred embodiment, described sliding unit possesses the splined hub rotated integrally with described cylinder axle separately,
To be end side as described driven wheel play function to splined hub described in each and another side plays the dual-purpose parts of function as described brake hub.
According to this programme, each splined hub is the dual-purpose parts doubling as driven wheel and brake hub, therefore, it is possible to the raising etc. by cutting down the simplification of parts number of packages implementation structure and assembleability.
In a preferred embodiment, the inner peripheral surface perfect flower keyhole portion of each comfortable driven wheel side of described splined hub and possess wide diameter portion at the inner peripheral surface of brake hub side, the spline shaft that the end side being embedded in corresponding described cylinder axle outside described splined hole portion possesses, described wide diameter portion forms the accommodation space of Compress Spring between described splined hub and described cylinder axle.
According to this programme, can utilize owing to doubling as driven wheel and brake hub and the driven wheel side of each splined hub elongated on axis direction, by splined hub so that the mode spline of dismounting an axle can be entrenched in.Thus, when driven wheel or brake hub there occurs wearing and tearing etc., only can change splined hub, compared with splined hub being integrally formed in the situation of an axle, the reduction of the maintenance expense for driven wheel or brake hub wearing and tearing etc. can be realized.
In addition, the brake hub side of each splined hub can be utilized, with state overlapping in the radial direction of cylinder axle equipment cylinder axle, Compress Spring and splined hub.Thus, with on the axis direction of cylinder axle, side by side equip Compress Spring compare with the situation of splined hub, the length of the axis direction of each sliding unit can be shortened, its result, by making side clutch spindle short and smallization and making the left and right narrowed width of driving device, the miniaturization of driving device can be realized.
In a preferred embodiment, the stage portion that their peripheral part of each freedom of described cylinder axle possesses forms described spring perch, and described spline shaft has the length from described stage portion bridging to the axle head of side, large footpath,
Their outer circumferential side of each leisure of described spline shaft possesses the recessed engagement section being formed as roughly ring-type, and in described engagement section the outer back-up ring being equipped with C font,
Described splined hub described splined hole portion separately has the length from described back-up ring bridging to described stage portion, and described splined hub described wide diameter portion separately has the length of the hub end from described stage portion bridging to brake hub side.
According to this programme, by using the simple structure of the stage portion of cylinder axle, back-up ring and Compress Spring, can by splined hub simply and reliably fixed equipment in the assigned position relative to cylinder axle.
In a preferred embodiment, described side brake separately with by sliding thus can carrying out towards the lateral outer side of described transmission gearbox the state dismantled on the axis direction of described side clutch spindle, be equipped with multiple brake disc of alternately configuration on the axis direction of described side clutch spindle and multiple dividing plate
Described opening has the size allowing described brake disc and described dividing plate to pass through separately.
According to this programme, except each sliding unit etc., easily can also carry out the dismounting of multiple brake disc and multiple dividing plates etc. each side brake from each opening of transmission gearbox.
Therefore, it is possible to easily carry out the assembling of each side brake and change brake disc or dividing plate etc. to the maintenance of each side brake.
In a preferred embodiment, described mobile sidespin is turned and is possessed at its peripheral part the press section acting on described brake disc and described dividing plate separately,
Turn off-position that the described engaging piece of turning from described mobile sidespin and the described engagement part of described fixation side swivel remove engagement of described mobile sidespin along with correspondence slides to and is communicated with described the braking position that position is positioned at contrary direction, described side brake switches to braking mode from brake release state respectively, and, described mobile sidespin along with correspondence is turned from described braking position and is slided to described off-position, described side brake switches to described brake release state from described braking mode respectively, described brake release state is the state that the crimping undertaken by the effect of described press section removed separately by described brake disc and described dividing plate, to be described brake disc and described dividing plate carry out each via the effect of described press section the state that crimps to described braking mode.
According to this programme, dual-purpose of the mobile sidespin of each side power-transfer clutch can being turned is the operating parts of side brake, and, thereby, it is possible to make side power-transfer clutch and side brake suitably interlock.
Therefore, it is possible to realize the simplification of the revolution operation desired structure of car body, and the revolution operability of car body can be improved.
In a preferred embodiment, described fixation side swivel separately with by sliding thus can carrying out the state of dismounting relative to described side clutch spindle on the axis direction of described side clutch spindle, fitted in described side clutch spindle ratio described in sliding unit by the position of shaft end side
Described cover component possesses the assist openings allowing described fixation side swivel to pass through separately, and can be equipped with the assist shroud component blocking described assist openings removably, possesses the axle branch of the end of supporting described side clutch spindle at described assist shroud component.
According to this programme, by dismantling each assist shroud component, can under the state being stoped each sliding unit, the brake disc of each side brake and the dismounting of dividing plate by cover component, dismounting fixation side swivel.
Therefore, it is possible to improve the workability when carrying out the maintenance to fixation side swivel.
In a preferred embodiment, described assist openings is formed as the circle centered by the axle center of described side clutch spindle separately,
Described assist shroud component possesses large-diameter portion and minor diameter part separately, and described large-diameter portion is embedded in described assist openings, and described minor diameter part is positioned at the private side of described transmission gearbox, and forms annulus between described assist shroud component and described assist openings,
Described sliding unit is equipped on the axle of described side clutch spindle with the described mobile sidespin state opposed with described space of turning separately,
Make the piston of the ring-type that mobile sidespin is turned described in slide embed described space with the state can slided on the axis direction of described side clutch spindle, and described space is as the oil pocket performance function of piston operation.
According to this programme, the space between cover component and assist shroud component can be utilized, form the hydraulic operation portion relative to side power-transfer clutch and side brake.And, by cover removal component or assist shroud component, hydraulic operation portion can be dismantled, easily can carry out the maintenance to hydraulic operation portion.
Therefore, it is possible to suppress the complicated of structure, and the operability of hydraulic operation portion raising side power-transfer clutch and side brake can be passed through, in addition, can make to become excellent to the maintainability in hydraulic operation portion.
In a preferred embodiment, described mobile sidespin is turned and is possessed at the inner peripheral surface of retainer side the wide diameter portion allowing the described retainer on described connection position to enter separately.
According to this programme, compared with not forming the situation of wide diameter portion, the length on the axis direction of each sliding unit can be shortened further.Its result, by making side clutch spindle short and smallization and making the left and right narrowed width of driving device, can realize the miniaturization of driving device.
In a preferred embodiment, described retainer is by forming by the outer C font back-up ring being embedded in engagement groove removably, and described engagement groove is recessed at the outer circumferential side of described cylinder axle and is formed as ring-type,
The described wide diameter portion of retainer has the size stoping described retainer to depart from from described engagement groove.
According to this programme, such as, when not exclusively causing retainer to float from engagement groove due to retainer relative to the engaging of the engagement groove of each cylinder axle, when mobile sidespin is turned and to be slided in the effect by Compress Spring to connection position, due to stop contact and stop it to slide to being communicated with position.
Namely, the slip that the effect that mobile sidespin turns the Compress Spring after by assembling is carried out, easily can judge the assembled state of retainer relative to the engagement groove of each cylinder axle thus, thus, in the engaging incomplete situation of retainer relative to the engagement groove of each cylinder axle, this engaging can be improved immediately.
[3] solution that proposes of corresponding problem [3] is as follows.
A kind of reaper, possesses:
Main transformer speed variator, is located at the outside of change speed gear box, and have the input shaft from case outward side to case inward side inserted through the sidewall of the end side of described change speed gear box, is just exported against stepless change from described output shaft by the power from driving engine; And
The secondary speed-changing device of gear type, is inside loaded on described change speed gear box, and the power come from described output shaft transmission is carried out height 2 grades of speed changes according to operating condition and is delivered to mobile devices,
Described output shaft through in described change speed gear box and inserted through another side of described change speed gear box sidewall thus shaft end side is exposed to outside case, and be rotatably supported in the sidewall of described end side and the sidewall of another side described respectively.
According to this structure, the output shaft of main transformer speed variator is to arrange from case outward side to case inward side inserted through the state of the sidewall of the end side of change speed gear box.And this output shaft, and to configure with the state of the sidewall of the sidewall He another side that are rotatably supported in end side respectively through in change speed gear box and the state be exposed to inserted through the sidewall of another side outside case with shaft end.
This output shaft has the structure of the sidewall of the end side be rotatably supported in respectively in change speed gear box and the sidewall of another side, therefore, it is possible to by the driving counter-force from transmission downstream relative to output gear, reduce the possibility of output shaft flexure deformation, good gear engagement states can be maintained.Its result, easily maintains good drive state.
Whether in addition, the shaft end of output shaft another side inserted through the sidewall of another side is exposed to outside case, therefore, it is possible to rotated from the outward side of change speed gear box by this output shaft of visual confirmation.So, such as, when serviceability when with the adjustment of variable speed operation part main transformer speed variator being operated to center position, whether neutral condition can be in by visual confirmation main transformer speed variator, namely whether output shaft is in rotation halted state, and can carry out adjustment operation accurately.
Therefore, can provide a kind of and can maintain good gear engagement states, and suitable neutral condition can be presented, can the reaper of good drive state of long term maintenance transmission device.
In addition, preferably, possess at the speed change input shaft of the input side of described secondary speed-changing device the input gear that the output gear that possesses with described output shaft is engaged and linked.
According to this structure, the input gear that the speed change input shaft of the output gear that output shaft possesses and secondary speed-changing device possesses is engaged and linked, and the output of main transformer speed variator is delivered to secondary speed-changing device.Even if owing to passing through the driving counter-force from transmission downstream, to the engagement site forces of output gear and input gear on the direction that each gear is separated, also can reduce the possibility of output shaft generation flexure deformation, can not occur with the good drive state of the unfavorable conditions such as heeling condition engagement therefore, it is possible to easily maintain each gear.
In addition, preferably, at described speed change input shaft, possess high-speed drive driven wheel in the side near described input gear, possess low speed rotation driven wheel in the side away from described input gear.
According to this structure, when secondary speed-changing device switches to fast state, via high-speed drive driven wheel transferring power, when secondary speed-changing device switches to lower-speed state, via low speed rotation driven wheel transferring power.
But can think, secondary speed-changing device, when being in fast state, being in and driving to carry out at a high speed harvesting etc. the state that load is large, and secondary speed-changing device, when being in lower-speed state, being in and carrying out the little state of the driving loads such as harvesting with low speed.That is, can think, for speed change input shaft, to the larger driving counter-force of position effect possessing high-speed drive driven wheel, smaller driving counter-force be acted on to the position possessing low speed rotation driven wheel.
And, owing to possessing high-speed drive driven wheel near input gear side, when being therefore in fast state, can with the torsional deflection of speed change input shaft as far as possible few state carry out transmission of power.But when being in lower-speed state, even if possess low speed rotation driven wheel in the side away from input gear, the torsional deflection of speed change input shaft is also less.
Therefore, easily with the torsional deflection of speed change input shaft as far as possible few state maintain good drive state.
In addition, preferably, prop up between component have described low speed rotation gear along the mode that axis direction is spaced apart with axle, described axle props up component speed change input shaft described in the sidewall free rotary ground supporting of another side described.
According to this structure, prop up between component at low speed rotation driven wheel and axle and be separated with interval along axis direction, therefore, it is possible to utilize the space between them to prop up component to low speed rotation driven wheel and axle respectively suitably supply lubricating oil.
Its result, by suitably supplying lubricating oil, low speed rotation driven wheel and axle prop up component can be continued to carry out work smoothly respectively, can easily maintain good drive state.
In addition, preferably, there is described high-speed drive driven wheel along the mode that axis direction is spaced apart between described input gear.
According to this structure, between high-speed drive driven wheel and input gear, be separated with interval along axis direction, therefore, it is possible to utilize the space between them respectively to the suitable supply lubricating oil of high-speed drive driven wheel and input gear.
Its result, by suitably supplying lubricating oil, high-speed drive driven wheel and input gear can continue to carry out work smoothly respectively, can easily maintain good drive state.
In addition, preferably, possess respectively at the speed change output shaft of the outgoing side of described secondary speed-changing device: the high-speed drive driven gear be engaged and linked with described high-speed drive driven wheel; The low speed rotation driven gear be engaged and linked with described low speed rotation driven wheel; And the driving gear to be engaged and linked with the downstream transmission gear in the transmission downstream being positioned at described secondary speed-changing device.
According to this structure, the power of the speed change input shaft of secondary speed-changing device is via high-speed drive driven wheel and high-speed drive driven gear or be transferred to speed change output shaft via low speed rotation driven wheel and low speed rotation driven gear.And the power of speed change output shaft is transferred to the transmission downstream of secondary speed-changing device via the driven wheel be equipped with separately with high-speed drive driven gear and low speed rotation driven gear and the downstream transmission gear engaged with it.
By the way, also you are configured to such as use the gear utilizing the power be passed from speed change input shaft side can to replace this structure, make transmission of power to the structure in the transmission downstream of secondary speed-changing device, that is, share from the structure employing gear and driving gear.But, in such an embodiment, the propulsive effort from speed change input shaft side and the driving counter-force from transmission downstream are applied with respectively for gear, even therefore under the load of mobile devices is normal state, also larger load is applied with to gear, there is the possibility that durability reduces.
Relative to this, according to this structure, for high-speed drive driven gear and low speed rotation driven gear, only be passed the power from speed change input shaft side, driven wheel makes transmission of power to the driving dedicated gear in transmission downstream, therefore, it is possible to avoid, owing to sharing the situation being applied with larger load caused from employing gear and driving gear, the reduction of durability can being prevented.
In addition, preferably, described driving gear is between described high-speed drive driven gear and described low speed rotation driven gear.
According to this structure, between the high-speed drive driven gear and low speed rotation driven gear of speed change output shaft, possesses driving gear.
In the secondary speed-changing device of gear type, possesses the operating mechanism switched, for switching between transmission of power is to the state of high-speed drive driven gear and transmission of power to the state of low speed rotation driven gear, the operating mechanism of this switching is provided in the corresponding position between high-speed drive driven gear and low speed rotation driven gear.
Therefore, owing to possessing the operating mechanism switched as above, possess high-speed drive driven gear and low speed rotation driven gear with the state be separated on axis direction, utilize the space between them, driving gear can be equipped with compactly.
In addition, preferably, described driving gear is positioned at the position near described high-speed drive driven gear.
According to this structure, driving gear is provided in the position near high-speed drive driven gear, therefore when being in the fast state driving load large, the power being delivered to high-speed drive driven gear can via the driving gear at position be positioned near high-speed drive driven gear, with the torsional deflection of speed change output shaft as far as possible few state carry out transmission of power to transmission downstream.It should be noted that, drive the situation that load is little many during lower-speed state, even if driving gear is provided in the position away from low speed rotation driven gear, the torsional deflection of speed change output shaft is also less.
In addition, preferably, described secondary speed-changing device possesses: the speed change input shaft of input side; The speed change output shaft of outgoing side; High-speed drive driven wheel and low speed rotation driven wheel, be configured in described speed change input shaft in the mode can carrying out rotating relative to described speed change input shaft; And high-speed drive driven gear and low speed rotation driven gear, be configured in described speed change output shaft with stationary state,
Described high-speed drive driven wheel and described low speed rotation driven wheel engage all the time with described high-speed drive driven gear and described low speed rotation driven gear respectively, and can not slide along axis direction,
And, described secondary speed-changing device possesses shift member, described shift member between described high-speed drive driven wheel and described low speed rotation driven wheel spline fitted in described speed change input shaft, and be free to slide between high-speed drive operating position and low speed rotation operating position, described high-speed drive operating position is the position that the spline part of described gearshift part and described high-speed drive driven wheel is engaged and linked, described high-speed drive driven wheel is relatively rotatably configured in described speed change input shaft, described low speed rotation operating position is the position that the spline part of described gearshift part and described low speed rotation driven wheel is engaged and linked, described low speed rotation driven wheel is relatively rotatably configured in described speed change input shaft.
According to this structure, if make shift member slide into high-speed drive operating position, then the spline part of shift member and high-speed drive driven wheel is engaged and linked, and therefore high-speed drive driven wheel rotates integrally.And be engaged and linked by high-speed drive driven wheel and high-speed drive driven gear, the power of the high speed of speed change is delivered to mobile devices via speed change output shaft.
On the other hand, if make shift member slide into low speed rotation operating position, then the spline part of shift member and low speed rotation driven wheel is engaged and linked, and therefore low speed rotation driven wheel rotates integrally.And be engaged and linked by low speed rotation driven wheel and low speed rotation driven gear, the power of the low speed of speed change is delivered to mobile devices via speed change output shaft.
Therefore, by slide shift member, secondary speed-changing device can be switched between fast state and lower-speed state.
In addition, preferably, between the described high-speed drive driven gear and described low speed rotation driven gear of described speed change output shaft, possess driving gear, described driving gear is engaged and linked with the downstream transmission gear in the transmission downstream being positioned at described secondary speed-changing device
The shift fork of shift member described in slide is possessed with the state in the space between described shift member and described driving gear.
According to this structure, between the high-speed drive driven wheel and low speed rotation driven wheel of speed change input shaft, possess shift member, between the high-speed drive driven gear and low speed rotation driven gear of speed change output shaft, possess driving gear.And, to possess through the state in the space shift member and driving gear shift fork shift member being carried out to slide.
As mentioned above, can by effectively utilizing the space between high-speed drive driven gear and low speed rotation driven gear, be equipped with driving gear compactly, and by effectively utilizing the space between shift member and driving gear, be equipped with shift fork with the in good condition of the less likely with other transmission shafts Gan Wataru.
In addition, preferably, described shift fork be located at described shift member periphery all grooves of engaging half cycle more than region engage.
According to this structure, be located at shift member periphery all grooves of engaging half cycle more than the state that engages of region, by shift fork, slide is carried out to shift member.Its result, with when carrying out slide by shift fork to shift member, wide region more than the half cycle of shift member is to the operating effort of shift member effect fork, the situation that the operating effort of shift fork acts locally on shift member is compared, shift member can be difficult to tilt relative to speed change input shaft, do not exist and cause the state of the possibility of torsion successfully to slide movement.
In addition, preferably, described shift fork engages with two positions be positioned at diametrically of all grooves of engaging of the periphery being located at described shift member.
According to this structure, be located at shift member periphery all grooves of engaging be positioned at the state that two positions, place diametrically engage, by shift fork, slide is carried out to shift member.Its result, when carrying out slide by shift fork to shift member, is difficult to make its operating effort tilted relative to slip moving direction, therefore, it is possible to the state that there is not the possibility causing torsion successfully slide shift member to shift member effect.
In addition, preferably, described output shaft possesses along axis direction separation and the pair of separated transmission shaft be integrally rotatably connected.
According to this structure, output shaft is made up of the pair of separated transmission shaft be separated along axis direction, therefore, it is possible to form output shaft in the following way, such as, the separation transmission shaft of a side will be used as, the state in a row with the axis direction of the separation transmission shaft along this side and possess the separation transmission shaft of the opposing party with the state that one is rotatably connected from the cantilever-shaped extended output S. A. of main transformer speed variator.That is, compared with in the past, by effectively utilizing the structure of existing cantilever-shaped output S. A., without the need to significantly improveing the structure of main transformer speed variator.
In addition, preferably, be separated transmission shaft from described output shaft to the output gear of described secondary speed-changing device transferring power be arranged on described in a pair outer relative to each mode integrally rotated freely be separated described in a pair transmission shaft, be separated transmission shaft described in a pair and be connected by described output gear.
According to this structure, effective utilization is used for the output gear to secondary speed-changing device transferring power, integrally rotatably be connected each pair of separated transmission shaft, therefore, it is possible to formed output shaft with the state that there is not unfavorable condition etc. by pair of separated transmission shaft, wherein, above-mentioned unfavorable condition is the special coupling member used for making a pair transmission shaft linkage connection, makes the situations such as complex structure.
In addition, preferably, the stateful connection that the main-gear box of the surrounding of described main transformer speed variator and described change speed gear box link with flange is covered,
The joint face of described main-gear box and the joint face of described change speed gear box described output shaft inserted through position be formed the embeded slot of the axle center of described output shaft as the concentric circles at center respectively,
The washer member of axes alignment is possessed with the state of the described embeded slot of the described embeded slot and described change speed gear box that are entrenched in described main-gear box respectively.
According to this structure, the main-gear box and the gearbox flange that cover the surrounding of main transformer speed variator link, with by the sidewall being connected with the side of main-gear box of change speed gear box from the inside of case outward side and main-gear box to case inward side inserted through state be configured with output shaft.
And, in the joint face of main-gear box and the joint face of change speed gear box output shaft inserted through position, be formed the embeded slot of the axle center of output shaft as the concentric circles at center respectively, and be configured with the washer member of axes alignment with the state of the embeded slot of the embeded slot and change speed gear box that are entrenched in main-gear box respectively.
That is, be provided with same washer member with the state of the embeded slot of the embeded slot and change speed gear box that are entrenched in main-gear box, therefore main-gear box links with the state flange that the center of the embeded slot of main-gear box is consistent with the center of the embeded slot of change speed gear box with change speed gear box.
Its result, can by the main-gear box of the axes alignment that carries out embeded slot and change speed gear box, with the little good state free rotary ground supporting of shaft core position deviation with from the inside of main-gear box to change speed gear box inward side inserted through the output shaft that is equipped with of state.
In addition, preferably, possess pair of right and left axletree with the state in the axle box inserted through the left and right sides from the securing elongated setting of described change speed gear box, axletree described in pair of right and left will carry out the mobile devices transmission of power respectively to the left and right sides of speed change by described secondary speed-changing device
The end of each comfortable body transverse width direction of axletree described in pair of right and left inward side possesses the power transfering part of path, possesses the horizontal expansion setting unit in large footpath in body transverse width direction outward side, and,
Connecting portion between the power transfering part of described path and the horizontal expansion setting unit in described large footpath is formed as becoming large gradually wide shape from the power transfering part of described path gradually towards body transverse width direction outward side diameter.
According to this structure, for pair of right and left axletree, the power after speed change is transmitted to power transfering part in the inside of change speed gear box, and this power is delivered to mobile devices via inserted through the horizontal expansion setting unit in axle box.At the mobile devices by the left and right sides between left and right in the reaper setting larger, need by the diameter inserted through the horizontal expansion setting unit in axle box is formed improve bearing strength more greatly.
And, connecting portion between the power transfering part of path and the horizontal I extended portion in large footpath is formed as becoming large gradually wide shape from the power transfering part of path gradually towards body transverse width direction outward side diameter, therefore in the end of the body transverse width direction inward side of axle box, gap is formed between the inside face of axle box and the connecting portion of gradually wide shape, the body transverse width direction inward side in this gap is wide, more then narrower to body transverse width direction outward side.
Its result, imports towards body transverse width direction outward side successively from the inward side end that the width in above-mentioned gap is large from the lubricating oil of gear-box side supply, can carry out the supply of lubricating oil well.
[4] solution that proposes of corresponding problem [4] is as follows.
Possess:
Main transformer speed variator, by the propulsive effort from driving engine just against stepless change;
The secondary speed-changing device of gear type, is inside loaded on change speed gear box, and be provided with the gear row that can carry out multiple combination, and the propulsive effort exported from described main transformer speed variator is delivered to mobile devices according to operating condition multi-change speed;
Operation power-transfer clutch, is communicated with/cuts off the propulsive effort transmission to homework department;
Main transformer speed operating parts, carries out variable speed operation to described main transformer speed variator;
Secondary variable speed operation part, carries out variable speed operation to described secondary speed-changing device;
Clutch operating part, carries out the connection/rupturing operation of described operation power-transfer clutch;
Pin down mechanism, when carrying out connection operation to described operation power-transfer clutch, the situation that subtend operates described main transformer speed operating parts than the location of instruction of the regulation in the advance side courses of action of described main transformer speed operating parts closer to speedup side creates a diversion.
According to the present invention, when carrying out connection operation to operation power-transfer clutch and when carrying out rupturing operation, the speed of advance region based on main transformer speed variator dissimilates.That is, with the connection of operation power-transfer clutch/be cut to condition, two kinds of velocity bands are presented.Therefore, the combination machine of the suitable traveling velocity band of the twice numeral of the speed change number of regions that can present secondary speed-changing device can be obtained.And, only need to pin down the operation of main transformer speed operating parts, and do not need to increase parts number of packages in change speed gear box, space, with increase secondary speed-changing device gear cluster number change speed gear box compared with can obtain compact change speed gear box.In addition, because space does not increase, therefore also can utilize corresponding space, by thick for gear thickening, improve the durability of secondary speed-changing device.
And then, when carrying out connection operation to operation power-transfer clutch, by pining down mechanism, main transformer speed operating parts is created a diversion closer to the situation of speedup side by the location of instruction operated to than the regulation in advance side courses of action, therefore, carrying out the state driven in homework department under, moving velocity can not be more than speed change to certain moving velocity.Thus, can prevent mobile devices from reaching more than suitable moving velocity due to maloperation.
In addition, preferably, even if carry out connection operation to described operation power-transfer clutch, also can path between the location of instruction of described regulation in described advance side courses of action and center position and retreat main transformer speed operating parts described in the courses of action free operant of side.
According to this structure, although speed change can not carry out more than the certain moving velocity under the state driven to homework department, can carry out towards comprising the speed change retreating the low speed side travelled.Therefore, in the midway of present operation, when needing the operation of the suitable moving velocity carried out below about the suitable moving velocity of present operation, retreating traveling, successfully moving velocity can be changed.
In addition, preferably, the location of instruction of described regulation is set in than the position of the midway location in described advance side courses of action by speedup side.
According to this structure, the operable area of main transformer speed operating parts when pining down is set as the over half of advance side courses of action.That is, when pining down and non-upper limit speed difference when pining down smaller, therefore effective to the situation that the difference of moving velocity suitable under operating condition and non-operating condition is less.
In addition, preferably, described secondary speed-changing device can switch between higher speed gear state and these two states of low speed speed change state,
No matter be when described secondary speed-changing device is operated to described higher speed gear state, or when described secondary speed-changing device is operated to described low speed speed change state, when described operation power-transfer clutch is carried out connection operation time, described in pin down mechanism all can subtend than the described regulation in described advance side courses of action the location of instruction closer to speedup side operate described main transformer speed operating parts situation create a diversion.
According to this structure, the generation of the following state of affairs can be prevented in advance, namely, higher speed gear state is at secondary speed-changing device, and driving engine is in when such as needing the homework department of larger propulsive effort carrying out driving such higher load condition, main transformer speed variator is operated to higher speed gear side, and driving engine is applied load further.
In addition, the status transition carrying out low speed driving when wanting to be operated to low speed speed change state from secondary speed-changing device to while homework department is driven with the state of the speeds quite higher than present situation speed, by operation clutch operating on the basis of connected state, if secondary speed-changing device to be operated to higher speed gear state, then can efficiently speedup to suitable moving velocity.But, forget sometimes and secondary speed-changing device be operated to higher speed gear state.In this case, according to this structure, even if driver wants speedup and operate main transformer speed operating parts, can not be operated to than the location of instruction specified also near speedup side, moving velocity is lower than suitable moving velocity.Its result, driver can notice that secondary speed-changing device is in low speed speed change state.
As mentioned above, according to this structure, main transformer speed operating parts can be prevented in advance to be misused more than suitable moving velocity, and driver can be reminded to forget the maloperations such as operation secondary speed-changing device.
In addition, preferably, described secondary speed-changing device can switch between higher speed gear state and these two states of low speed speed change state,
Even if described secondary speed-changing device is operated to described higher speed gear state, when described operation power-transfer clutch is carried out connection operation time, described in pin down mechanism also can subtend than the described regulation in described advance side courses of action the location of instruction closer to speedup side operate described main transformer speed operating parts situation create a diversion.
According to this structure, following situation can be prevented, namely, higher speed gear state is at secondary speed-changing device, and driving engine is in when needing carrying out compared with the homework department of large driving force the operation driving such load high, main transformer speed variator is operated into higher speed gear side, causes engine load to uprise further.
As mentioned above, according to this structure, main transformer speed operating parts can be prevented in advance to be misused more than suitable moving velocity.
In addition, preferably, as described main transformer speed operating parts, possess the main shift lever that swing is operated, and as described clutch operating part, possess the clutch lever that swing is operated,
The described mechanism that pins down possesses: the containing part that can advance relative to described advance side courses of action and retreat and the link rod part connecting described containing part and described clutch lever,
When described clutch lever is operated to power-transfer clutch connection position, described containing part proceeds to the position corresponding with the location of instruction of the described regulation in described advance side courses of action.
According to this structure, main transformer speed operating parts is the main shift lever of swing formula, therefore when containing part proceeds to the position of the location of instruction corresponding to regulation, if main shift lever operation makes main shift lever and containing part abut to speedup side, then can reliably prevent main shift lever from operating further to speedup side.In addition, according to this structure, clutch operating part is the operated clutch lever of swing and action is simple, and containing part is the component that advances relative to forward operation path and retreat and action is simple, and the link rod part therefore connecting clutch lever and containing part can be simple structure.
In addition, preferably, described main shift lever is configured in the side panel of Drive Section,
Described clutch lever is configured at the rear of described main shift lever on described side panel,
Can slide along the longitudinal direction in described containing part, and when described clutch lever operates power-transfer clutch off-position, described containing part is back to the front side of described advance side courses of action.
According to this structure, the main shift lever of swing formula and clutch lever are at side panel along in tandem, and slide from the front of advance side courses of action toward fore-and-aft direction and advance to advance side courses of action in containing part.That is, the action of all components all along the longitudinal direction, and therefore link rod part can be shape along the longitudinal direction and the component of action along the longitudinal direction.Its result, can obtain structure simple and compactly on left and right directions pin down mechanism.
In addition, preferably, also possess: limiting unit, limit described clutch lever and be communicated with from described power-transfer clutch the situation that position moves to the side contrary with power-transfer clutch off-position,
Described link rod part possesses: arm member, swings around the swinging center of described clutch lever and described clutch lever one; And bar component, one end is connected to described arm member in the mode that can rotate around the first axle center, and the other end is connected to described containing part in the mode that can rotate around the second axle center,
Described link rod part has following structure, when described clutch lever operates described power-transfer clutch connection position from power-transfer clutch off-position, when direction along described swinging center is observed, described first axle center is through the rear side of described swinging center, and the straight line connecting described first axle center and described second axle center moves in the mode of crossing over described swinging center.
According to this structure, when clutch lever operates power-transfer clutch connection position from power-transfer clutch off-position, the straight line connecting the first axle center and the second axle center moves in the mode of crossing over described swinging center, and possessing limiting unit, the action of link rod part when therefore operation power-transfer clutch being carried out to the action of link rod part when power-transfer clutch is communicated with operation and carries out rupturing operation to operation power-transfer clutch must be contrary action.That is, only with the first axle center oppositely pursue operation power-transfer clutch be connected operation time the mode in path of advancing make link rod part carry out action, rupturing operation could be carried out to operation power-transfer clutch.
Therefore, main shift lever is pind down mechanism when pining down, and such as, even if driver wants by force main shift lever to be moved to speedup side mistakenly, also can not make connecting rod mechanism involuntary maneuver due to this power, cause clutch lever to move to off-position.
In addition, preferably, described containing part possesses guiding elements, and the position that described guiding elements is departing from described advance side courses of action extends along described advance side courses of action, and movement of can sliding along the longitudinal direction,
Frame support bracket is possessed in two different positions along the longitudinal direction,
Described guiding elements is bearing in described frame support bracket.
According to this structure, guiding elements along its moving direction two positions arranged side by side by frame support bracket supporting, guide, therefore the movement of guiding elements becomes stable and smoothly.
In addition, preferably, described frame support bracket possesses two through holes of two the different positions be positioned at along the longitudinal direction,
Described guiding elements runs through and is bearing in described through hole.
According to this structure, a frame support bracket only need be possessed as guiding the component of support guide member.In addition, owing to being the structure arranging two through holes arranged side by side at a frame support bracket, therefore different from the situation possessing a through hole respectively at two brackets, do not need the aligning operation carrying out through hole.
In addition, preferably, described containing part possesses the top ends that is arranged on described guiding elements and can proceed to the protrusion component of described advance side courses of action,
Described reaper possesses other frame support brackets except described frame support bracket,
Be formed at other frame support brackets described and supply described protrusion component to run through thus allow described protrusion component at the elongated hole of fore-and-aft direction slip movement,
Other frame support brackets described are to be located at the opposition side of described frame support bracket with described frame support bracket across the mode of described advance side courses of action.
According to this structure, protrude component with across the mode at position being connected to main shift lever, side is bearing in frame support bracket, and opposite side is bearing in other frame support brackets.That is, protrude component in the mode across abutting part, both end sides is all stably supported.Therefore, according to this structure, guiding elements is overall certainly can by stable support, and when pining down main shift lever, even if be connected to main shift lever, containing part also not easily produces distortion, torsion, can reliably create a diversion to the situation that main shift lever moves to speedup side.
In addition, preferably, described homework department is reaping part, and described operation power-transfer clutch is harvesting power-transfer clutch.
According to this structure, upper limit speed step-down during harvesting, and during non-harvesting, upper limit speed uprises, and can present velocity band optimum separately with simple structure.
In addition, preferably, described main transformer speed variator is hydrostatic continuously variable unit.
As described in this structure, when main transformer speed variator adopts hydrostatic continuously variable unit, can obtain compact transmission system, in a neutral state, can obtain and apply to brake identical effect, operability is high.
For other features and consequent beneficial effect, as long as read the following description and can understand with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the figure (following, identical to Figure 16) representing the first embodiment, and is the right side view of ordinary combine harvester.
Fig. 2 is the hydraulic circuit diagram of the part representing hydraulic structure.
Fig. 3 is the front view of hydrostatic continuously variable unit and driving device.
Fig. 4 is the left view of hydrostatic continuously variable unit and driving device.
Fig. 5 is the right elevation of hydrostatic continuously variable unit and driving device.
Fig. 6 is the biopsy cavity marker devices front view of hydrostatic continuously variable unit and the vertical profile front view of driving device.
Fig. 7 is the vertical profile front view of the local of hydrostatic continuously variable unit and the upper side of driving device.
Fig. 8 is the vertical profile front view of the lower side of driving device.
Fig. 9 is the vertical profile left view of driving device.
Figure 10 is the cutaway view of the change-speed box of driving device.
Figure 11 is the vertical profile front view of an offside clutch brake unit of driving device etc.
Figure 12 is the vertical profile front view of the main portion of the driving device representing the state of having removed assist shroud component and fixation side swivel.
Figure 13 is the vertical profile front view of the main portion of the driving device representing the state of having removed cover component and sliding unit etc.
Figure 14 is the vertical profile front view of the main portion representing the driving device having removed the state travelling axle drive shaft and drive axle box.
Figure 15 is the vertical profile left side view of the main portion of the configuration of each axle representing driving device etc.
Figure 16 is the vertical profile front view of the main portion representing the through oil hole of transmission gearbox and the structure of internal oil passages.
Figure 17 is the figure (following, identical to Figure 22) representing the second embodiment, and is the unitary side view of combination machine.
Figure 18 is the overall birds-eye view of combination machine.
Figure 19 is the figure representing drive mechanism.
Figure 20 is the vertical profile front view of change speed gear box.
Figure 21 is the partial vertical sectional front view of change speed gear box.
Figure 22 is the partial vertical sectional lateral plan of change speed gear box.
Figure 23 is the figure (following, identical to Figure 30) representing the 3rd embodiment, and is the lateral plan in the left side of combination machine.
Figure 24 is the birds-eye view of combination machine.
Figure 25 is the in-built schematic diagram schematically showing HST and change-speed box.
Figure 26 is the local section birds-eye view around side panel.
Figure 27 is the vertical profile left view representing side panel inside, and (a) expression harvesting clutch lever is positioned at state during off-position, and (b) represents that harvesting clutch lever is positioned at state when being communicated with position.
Figure 28 is the block diagram representing the mode that pins down pining down mechanism.
Figure 29 is the figure of the change represented by pining down the velocity band that mechanism produces.
Figure 30 is the figure of the change by pining down the velocity band that mechanism produces representing another embodiment.
Detailed description of the invention
[the first embodiment]
First, with reference to figure 1 ~ 16, the first embodiment is described.
First, based on accompanying drawing, the basic structure of working rig with the driving device of (more specifically for reaper is used) is described.
As shown in Fig. 6 ~ 10, the driving device 13 of reaper is built-in with at transmission gearbox 43: left and right towards driven shaft 45, its with parallel position adjacent to input shaft 44; Left and right towards side clutch spindle 46, it possesses and (exports the routine of swivel with the output gear 81 being configured in driven shaft 45.Hereinafter also referred to as " export swivel 81 ") the transmission gear 82 (example of transmission swivel of interlock.Hereinafter also referred to as " transmission swivel 82 "); Select the change-speed box 47 of gear type, it is by the power speed changing from input shaft 44; And an offside power-transfer clutch 83, they are positioned on the axle of side clutch spindle 46, are communicated with/cut off the transmission from transmission swivel 82 crawler belt (examples of mobile devices) 7 of both sides to the left and right respectively.In the left and right that the external device A be connected with transmission gearbox 43 possesses towards output shaft 34, be configured with input shaft 44 using the state rotated integrally as center with output shaft 34 in the axle center of output shaft 34.In addition, with from input shaft 44 to the structure of driven shaft 45 transmission, bridging input shaft 44 and driven shaft 45 ground are equipped with change-speed box 47.
Transmission swivel 82 is provided in the central portion of side clutch spindle 46.One offside power-transfer clutch 83 decentralized configuration is in the left and right sides of transmission swivel 82.Export the central portion that swivel 81 is provided in driven shaft 45.
The driven gear 63,65 of change-speed box 47 is equipped in driven shaft 45 with the state adjacent with the both sides exporting swivel 81.Each driven gear 63,65 possesses gear part 63A, 65A in their end side, and possesses the connecting portion Ba of gear selecting in their another side, be configured to operate with gear selecting with the connection gear B that is connected of gearshift 66.And these gear part 63A, 65A are equipped in driven shaft 45 with the state adjacent with exporting swivel 81.
Change-speed box 47 is configured to often engagement type.In addition, as connection gear B, be configured with except with export except the adjacent connection gear B (driven gear 63,65) of swivel 81 other connect gear B (driven gear 61).Each connection gear B is configured with splined hub portion 61B, 63B, 65B as connecting portion Ba.And other connect the state that gear B are clipped in and export with the spline shaft 45A rotated integrally by driven shaft 45 between the splined hub portion 65B of the adjacent connection gear B of swivel 81 (driven gear 65) and other splined hub portion 61B connecting gear B (driven gear 61) and are equipped in driven shaft 45.
In each connection gear B, the connection gear B (driven gear 63) being positioned at the end of the side contrary with the input side end of input shaft 44 of driven shaft 45 is positioned at the end of the side contrary with the input side end of input shaft 44 of driven shaft 45 state with its connecting portion Ba is equipped in driven shaft 45.
The driven shaft 45 that change-speed box 47 is configured to be equipped with the relative rotation multiple connection gear B is positioned at the below of input shaft 44.Driven shaft 45, in the adjacent regions relative to each splined hub portion 61B, 63B, 65B, is configured with spline shaft 45A, the 45B that can be connected with adjacent splined hub portion 61B, 63B, 65B via gearshift 66 with the state rotated integrally.And, in each spline shaft 45A, 45B, be made up of splined hub 74 using single connection gear B as the spline shaft 45B of the regulation of connecting object, this splined hub 74 forms the state of the multiple spline 74a connected with the end side only at its outer peripheral face, outerly removably can be equipped in driven shaft 45.
Transmission gearbox 43 possesses the opening 43A of the end of the side contrary with the end of input side of exposing input shaft 44.
Driving device 13 possesses: by from hydraulic efficiency equipment (the such as valve cell 107 being configured in transmission gearbox 43.With reference to Fig. 3 ~ 5) oil that turns back to the inside of transmission gearbox 43 is supplied to the oil circuit 137 of each connection gear B of change-speed box 47.
Driving device 13 possesses: the left and right of crawler belt from transmission gearbox 43 bridging to correspondence 7 (with reference to Fig. 1) towards the traveling axle drive shaft 50 of the left and right sides; And the dynamic retarding of the side power-transfer clutch 83 via correspondence is delivered to the speed reduction gearing 49 (following, also referred to as " transmission device 49 ") of the left and right sides travelling axle drive shaft 50.
Transmission gearbox 43 possess between side clutch spindle 46 and the traveling axle drive shaft 50 of the left and right sides left and right towards relay axis 119.And each speed reduction gearing 49 possesses: a first reduction part 122 (example of the first driving section from side clutch spindle 46 bridging to relay axis 119.Below also referred to as " the first driving section 122 "); And from relay axis 119 bridging to the second reduction part 123 (example of the second driving section travelling axle drive shaft 50.Hereinafter also referred to " the second driving section 123 ").
The gear type that first reduction part 122 and the second reduction part 123 are configured to make a pair gear 92,124 ~ 126 to be engaged and linked respectively.And, the relay axis 119 of the driven wheel (example of driving rotating bodies) 125 of the driven gear (example of driven rotation body) 124 and the second reduction part 123 that possess the first reduction part 122 is provided in the front upper place of the traveling axle drive shaft 50 of the driven gear (example of driven rotation body) 126 possessing the second reduction part 123, and, the side clutch spindle 46 of the driven wheel 92 possessing the first reduction part 122 is provided in the position of the back upper place relative to relay axis 119.
Output swivel 81 and transmission swivel 82 are made up of the gear making them be engaged and linked.And, the driven shaft 45 possessing each driven gear 61,63,65 and output swivel 81 is provided in the position of the front upper place of the side clutch spindle 46 possessing transmission swivel 82, and the input shaft 44 possessing the driven wheel 60,62,64 be engaged and linked with each driven gear 61,63,65 of driven shaft 45 is configured in the position of the back upper place relative to driven shaft 45.
Side clutch spindle 46 is provided in than input shaft 44 and travels axle drive shaft 50 also position rearward.In addition, relay axis 119 is provided in than driven shaft 45 also position on the front.
As shown in Fig. 6 ~ 9 and Figure 11 ~ 13, for the driving device 13 of working rig, be built in towards ground in left and right on the axle of the side clutch spindle 46 of transmission gearbox 43, be equipped with a pair driven wheel (example of interlock swivel) 92 linked with crawler belt 7 (with reference to Fig. 1) the difference interlock of the left and right sides and the offside power-transfer clutch 83 being communicated with/cutting off the transmission to a pair driven wheel 92 respectively.
Each side power-transfer clutch 83 comprises: cylinder axle 85, can be carried out the state of dismounting by the mode of carrying out sliding relative to side clutch spindle 46 on the axis direction of side clutch spindle 46, and can with the relative rotation fitted in side clutch spindle 46; Mobile sidespin turns 86, possesses engaging piece 86A at a side; Fixation side swivel 87, possesses engagement part 87A at a side; Compress Spring 88, to turn 86 forces to mobile sidespin in the position that is communicated with of carrying out engaging towards engaging piece 86A and engagement part 87A; Retainer 89, turns to mobile sidespin in connection position and 86 to stop; And spring perch 90, accept an end of Compress Spring 88.
And, at each side power-transfer clutch 83, at the peripheral part of cylinder axle 85, to turn 86 and the configuration of Compress Spring 88 between retainer 89 and spring perch 90 with mobile sidespin, and turn with mobile sidespin and 86 on the axis direction of side clutch spindle 46, the state of sliding can be carried out relative to cylinder axle 85, be equipped with mobile sidespin in the mode rotated integrally with cylinder axle 85 and turn 86, Compress Spring 88, retainer 89 and spring perch 90, sliding unit 91 is configured to an axle 85, mobile sidespin turns 86, Compress Spring 88, retainer 89 and spring perch can carry out the mode one slip of dismounting on the axis direction of side clutch spindle 46 relative to side clutch spindle 46.
For driving device 13, be configured in the central portion of side clutch spindle 46 to the transmission swivel 82 of each driven wheel 92 transmission via an offside power-transfer clutch 83.And an offside power-transfer clutch 83 and a pair driven wheel 92 decentralized configuration are in the left and right sides of transmission swivel 82, and an offside power-transfer clutch 83 is configured to be communicated with/cut off the transmission from transmission swivel 82 to the driven wheel 92 with side power-transfer clutch 83 homonymy.
Each side power-transfer clutch 83 is configured to mobile sidespin and turns and 86 play as driven-side rotor function and fixation side swivel 87 to play function state as drive side swivel, and sliding unit 91 is configured to possess corresponding driven wheel 92 (interlock swivel) as one of component parts separately.
With an offside power-transfer clutch 83 separately opposed position of transmission gearbox 43 on the axis direction of side clutch spindle 46, possesses the opening 43B allowing sliding unit 91 to pass through, and the cover component 102 blocking opening 43B can be equipped with removably, sliding unit 91 is configured to carry out dismounting from the outside of transmission gearbox 43 relative to side clutch spindle 46 separately.
Each cover component 102 possesses the axle branch 105 of the end of support side clutch spindle 46.
Each fixation side swivel 87 is can carry out the state of dismounting fitted in side clutch spindle 46 relative to side clutch spindle 46 by the slip on the axis direction of side clutch spindle 46.And each opening 43B of transmission gearbox 43 is formed as the size allowing fixation side swivel 87 to pass through.
Each side power-transfer clutch 83, as fixation side swivel 87, is configured with the spur gear of the facewidth of more than 2 times with the length of action that the engaging piece 86A that turns 86 with mobile sidespin engages.
Each fixation side swivel 87 fitted in the ratio sliding unit 91 of side clutch spindle 46 also by the position of shaft end side.
Driving device 13 possesses the driven wheel 92 as a pair interlock swivel, and the driven wheel 92 of correspondence is equipped in an axle 85 as one of component parts by each sliding unit 91.
The multiple-piece side brake 84 of crawler belt 7 corresponding for braking is equipped in the outer circumferential side of each sliding unit 91 on the axle of side clutch spindle 46 by transmission gearbox 43.And each sliding unit 91 is to possess the brake hub 94 of corresponding side brake 84 as one of component parts with the state that cylinder axle 85 rotates integrally.
Each sliding unit 91 possesses the splined hub 99 rotated integrally with cylinder axle 85.And each splined hub 99 is configured to end side and plays function as driven wheel 92 and another side plays the dual-purpose parts of function as brake hub 94.In addition, at the inner peripheral surface of driven wheel side, possess the outer splined hole portion 99A being embedded in the spline shaft 85A of the end side being configured in corresponding cylinder axle 85, and the inner peripheral surface in brake hub side, possess the wide diameter portion 99B of the accommodation space 100 forming Compress Spring 88 between cylinder axle 85.
Each cylinder axle 85 forms spring perch 90 by the stage portion 85C of the peripheral part being configured in them, and these spline shafts 85A is formed as the length from stage portion 85C bridging to the axle head of side, large footpath.Each spline shaft 85A possesses the recessed engagement section 85E being formed as roughly ring-type at their outer circumferential side, and at the outer back-up ring 101 being equipped with C font of engagement section 85E.Their splined hole portion 99A is formed as the length from back-up ring 101 bridging to stage portion 85C by each splined hub 99, and wide diameter portion 99B is formed as the length of the hub end from stage portion 85C bridging to brake hub side.
Each side brake 84 is equipped with multiple brake discs 96 and multiple dividing plate 95 of alternately configuration on the axis direction of side clutch spindle 46 with the state can carrying out dismantling to the horizontal foreign side of transmission gearbox 43 by the slip on the axis direction of side clutch spindle 46.
And each opening 43B of transmission gearbox 43 is formed as the size allowing brake disc 96 and dividing plate 95 to pass through.
Each mobile sidespin turn 86 their peripheral part possess act on brake disc 96 and dividing plate 95 drop center portion 86C (give as security splenium one example.Hereinafter also referred to as " giving as security splenium 86C ".)。And, each side brake 84 be configured to along with the mobile sidespin of correspondence turn off-position that the 86 engagement part 87A of engaging piece 86A and fixation side swivel 87 turning 86 from mobile sidespin remove engagement slide to be communicated with position and be positioned at rightabout braking position, the braking mode that the brake release state removing the crimping undertaken by the effect of signature splenium 86C from brake disc 96 and dividing plate 95 separately switches to brake disc 96 and dividing plate 95 to crimp each via the effect of signature splenium 86C, and 86 to slide to off-position from braking position along with the mobile sidespin of correspondence is turned, brake release state is switched to from braking mode.
Each fixation side swivel 87 fitted in the ratio sliding unit 91 of side clutch spindle 46 also by the position of shaft end side.And, the assist openings 102A allowing fixation side swivel 87 to pass through is possessed at each cover component 102, and, the assist shroud component 103 blocking assist openings 102A can be equipped with removably, possess the axle branch 105 of the end of support side clutch spindle 46 at assist shroud component 103.
Each assist openings 102A is formed as the circle centered by the axle center of side clutch spindle 46.Each assist shroud component 103 possesses the minor diameter part 103B in the large-diameter portion 103A being embedded in assist openings 102A and the space 104 forming ring-type between assist openings 102A in the state of the private side of transmission gearbox 43 with minor diameter part 103B.Each sliding unit 91 is equipped on the axle of side clutch spindle 46 with their mobile sidespin 86 states opposed with space 104 of turning.And, make to embed each space 104 to the mobile sidespin of correspondence 86 pistons 106 carrying out the ring-type of slide of turning with the state can slided on the axis direction of side clutch spindle 46, and each space 104 is configured to play the state of function (below, by the space of ring-type also referred to as " oil pocket 104 " as the oil pocket of piston operation.)。
At each sliding unit 91, retainer 89 is configured to be embedded in the back-up ring being recessed into the C font of the engagement groove 85D being formed as ring-type at the outer circumferential side of cylinder axle 85 outward removably.Mobile sidespin is turned and 86 is possessed at the inner peripheral surface of retainer side the wide diameter portion 86E allowing it to be communicated with the retainer 89 on position to enter.And this wide diameter portion 86E is formed as the size stoping retainer 89 to depart from from engagement groove 85D.
Then, the embodiment of the ordinary combine harvester (full feed type combine harvester) driving device of working rig (in this case reaper) being applicable to the example as reaper is described based on accompanying drawing.
As shown in Figure 1, for ordinary combine harvester illustrative in present embodiment, in the left-hand portion of the leading section of running vehicle body 1, harvesting feedway 2 can be linked with up and down, as carrying out the non-harvested cereal culm of harvesting object being positioned at car body front when operation travels gathering in and the reaping apparatus rearward carried with the state of stretching out to the front of running vehicle body 1.In addition, be equipped with sheller unit 3 in the left side of running vehicle body 1, this sheller unit 3 is implemented to smooth out with the fingers to get process to the receipts harvested cereal culm that harvesting feedway 2 transports, and smoothes out with the fingers the handled thing enforcement sorting process of getting process and obtaining to by this.And then, bagging apparatus 4 is equipped with in the posterior region of the right-hand part of running vehicle body 1, this bagging apparatus 4 can send conveyer (conveyer) (not shown) to raise the grain sent temporarily to be stored in hopper 4A by from the bottom of sheller unit 3 via raising, and this grain is loaded paddy bag 5.And, be configured to thus to gather in cereal such as paddy, wheat or soybean, and the cereal of harvesting carried out the pack mode that packs.
It should be noted that, although the diagram of omission, but ordinary combine harvester can replace pack mode, be configured to such as replace bagging apparatus 4 and be equipped with and carry out the grain groove stored and the grain groove mode grain stored at grain groove can being carried out outside machine the cereal grain-discharging device such as helical feed formula or bucket type conveying of discharging by by raising the grain sending conveyer to raise to send here.
As shown in Fig. 1, Fig. 3, Fig. 4 and Fig. 6, running vehicle body 1 possesses the vehicle body frame 6 multiple steel link of the types such as square pipe formed, and is equipped with the crawler belt 7 of the left and right sides thus forms Full Tracked running vehicle body in the bottom of this vehicle body frame 6 as the crawler belt of the left and right sides.In addition, formed in the front area of the right-hand part of vehicle body frame 6 and take Drive Section 8, have water cooled diesel motor (hereinafter referred to as driving engine) 10 etc. at the fitted underneath of driver seat 9 of the rear portion side configuration of taking Drive Section 8.And, the center side position of the left and right directions in the front portion of vehicle body frame 6 is equipped with: can from the band transmission 11 of the output shaft of driving engine 10 (not shown) crawler belt 7 transmission of both sides to the left and right, as the hydrostatic continuously variable unit (hereinafter referred to as HST) 12 of external device A and driving device 13.
It should be noted that, although the diagram of omission, but running vehicle body 1 also can replace Full Tracked, the crawler belt 7 being configured to the such as left and right sides is equipped with the wheeled running vehicle body of the front-wheel of the left and right sides and the trailing wheel of the left and right sides, or the crawler belt 7 being configured to the left and right sides is equipped with the semitrack running vehicle body etc. of the front-wheel of the left and right sides and the rear portion crawler belt of the left and right sides.In addition, water cooled diesel motor 10 can also be replaced, equip such as air cooled mode diesel motor or water cooled or air cooled mode engine petrol etc.And then, also can be configured to possess the mixed motivity type of driving engine 10 and electrodynamic type driving motors or replace driving engine 10 and possess the power type running vehicle body of electrodynamic type driving motors.In addition, also Drive Section 8 can be taken be formed in the position, front side etc. of the left side of vehicle body frame 6.And then, also can equip the operator's compartment covering and take Drive Section 8.
As shown in Figure 1, vehicle body frame 6 is taken Drive Section forming region at it and is possessed pedestal portion 6A, takes Drive Section 8 by being formed at this pedestal portion 6A, and whole Drive Section 8 of taking is provided in than HST12 and driving device 13 also position by the top.
Take Drive Section 8 by erectting the front panel 14 arranged and the side panel 15 etc. arranged with the erection is connected with the left part of front panel 14 at the left end position of pedestal portion 6A at the position, front end of pedestal portion 6A, formation can take space from boarding on the right side of car body.And, the shuttle-type neutral restoration type joystick 16 of cross etc. is equipped with on the top of front panel 14.In addition, the position maintenance main shift lever 17 and secondary shifter bar 18 etc. of swing formula is equipped with on the top of side panel 15.And then be equipped with at its position, underfooting, the runback bit-type brake pedal 19 of position maintenance is carried out in the position of entering into of the spring force can removing position in antagonism towards entering into.
Harvesting feedway 2 is equipped with: harvesting object paddy stalk gather in and be recovered to assigned position harvesting recovery unit 20 and by the feeder 21 that the receipts harvested cereal culm conveying being recovered to assigned position is formed to the apron conveyor of the paddy stalk input port (not shown) of sheller unit 3.
Harvesting recovery unit 20 is equipped with in the left and right two-end part distribution of its leading section, along with the traveling of car body, non-harvested cereal culm comb is divided into the nearside divider 22 of the left and right sides of paddy stalk outside harvesting object paddy stalk and harvesting object.In addition, above this front portion, position is equipped with, harrow towards rear on front side of the fringe of the harvesting object paddy stalk nearside divider 22 by the left and right sides to be combed point into rotating drum 23.And then, the shoutoff mechanism 24 of the hairclipper shape of being cut off the strain root side of harvesting object paddy stalk is equipped with bottom it, the position, rear of this shoutoff mechanism 24 is equipped with, receipts harvested cereal culm after being cut off by shoutoff mechanism 24 is gathered the assigned position of left and right directions, and the helix drum (Augerdrum) 25 that rearward feeder 21 is sent from this assigned position.
Feeder 21 is configured to send the paddy stalk input port (not shown) of mouth (not shown) bridging to sheller unit 3 from the paddy stalk being formed in the dead aft of assigned position of harvesting recovery unit 20.And, in its back-end portion be equipped with double as harvesting feedway 2 input shaft left and right towards feeder axle drive shaft 26, this feeder axle drive shaft 26 is linked to the antetheca of sheller unit 3 in the mode that can relatively rotate.
As shown in Figure 2, gather in feedway 2 to be configured to by the work of the hydraulic control unit 27 of lifting with feeder axle drive shaft 26 for fulcrum is elevated.The oil being stored in fuel tank 28 is supplied to hydraulic control unit 27 by the work of the first Hydraulic Pump 29.Hydraulic control unit 27 possesses: the hydraulic up-down cylinder (not shown) of bridging vehicle body frame 6 and feeder 21 and erection and the valve cell (not shown) etc. changed the lifting of the operation pressure of this lift cylinders.Be elevated with valve cell and joystick 16 via be elevated with mechanical type bindiny mechanism (not shown) be connected.And, based on the swinging operation along the longitudinal direction of joystick 16, control the flowing of the oil between fuel tank 28, first Hydraulic Pump 29, lift cylinders, change the operation pressure to lift cylinders thus.
By this structure, by swinging operation joystick 16 in front-rear direction, harvesting feedway 2 can be made to be elevated to the operating area, downside of gathering in harvesting object i.e. non-harvested cereal culm and the non-job position in upside do not gathered in.And, in operating area, can harvesting height adjustment be carried out, change the height and position of shoutoff mechanism 24 relative to harvesting object paddy stalk, thereby, it is possible to the job position setting of harvesting feedway 2 is changed to arbitrary height and position.
That is, harvesting feedway 2 is configured to the swinging operation in front-rear direction by joystick 16, carries out lifting displacement the non-job position of the arbitrary job position in operating area, downside and upside.
As shown in Figure 1, harvesting feedway 2 is configured to, and when being positioned at arbitrary job position, is in the state (state indicated by the solid line in Fig. 1) in the front on the top at least covering driving device 13; When being positioned at non-job position, be in the open state (by the state that long and two-short dash line represents in Fig. 1) in the front of the above-below direction universe of driving device 13.
It should be noted that, the operation that harvesting feedway 2 also can be configured to such as special based on the descending operation of the neutral restoration type of swing formula control lever or the special switch of descending operation etc. is elevated.In addition, carry out horizontal slide displacement or swing displacement with also can being configured to the non-job position in the front throughout job position and open driving device 13.
As shown in figure 3 to figure 7, HST12 is configured in the built-in Hydraulic Pump 31 of change speed gear box 30 and HM Hydraulic Motor 32.In addition, the pump shaft being configured to Hydraulic Pump 31 forms the input shaft 33 of HST12, and the motor drive shaft of HM Hydraulic Motor 32 forms the output shaft 34 of HST12.And, HST12 with its input shaft 33 and output shaft 34 in left and right towards state under HM Hydraulic Motor 32 left and right that is positioned at the lengthwise immediately below Hydraulic Pump 31 be equipped in running vehicle body 1 towards posture.
Change speed gear box 30 possesses: possess the box main body 35 of the recess 35A of storage Hydraulic Pump 31 and HM Hydraulic Motor 32 and block the port block (portblock) 36 etc. of recess 35A.Hydraulic Pump 31 adopts axial piston variable displacement pump.HM Hydraulic Motor 32 adopts axial piston fixed capacity motor.The input shaft 33 of HST12 and output shaft 34 run through port block 36 and protrude into outside case.At the input shaft 33 of HST12, via relay axis 38 etc., by the state that output pulley 37 and input shaft 33 rotate integrally centered by the axle center of input shaft 33, interlock is linked with the output pulley 37 of band transmission 11.Port block 36 at an upper portion thereof side possesses the input part that input shaft 33 runs through, and possesses the efferent that output shaft 34 runs through in side, its underpart.And, an end of the input magazine 39 of the tubular surrounding input shaft 33 and relay axis 38 etc. is had at its input part bolt link.In addition, its efferent with the state bolt link be connected with the input part of driving device 13 on the top of the right flank of driving device 13.
HST12 possesses the variable speed operation axle 40 operated the pump swash plate (not shown) of Hydraulic Pump 31 with the state forwards protruded from the antetheca of change speed gear box 30.Variable speed operation axle 40 makes the operation angle of pump swash plate change to the mode of the angle corresponding with the operating position of main shift lever 17 with the swinging operation interlock in the longitudinal direction with main shift lever 17, and the connecting arm 41 being configured at its leading section is connected to main shift lever 17 via the mechanical type bindiny mechanism 42 that main transformer is fast.
That is, HST12 is equipped in running vehicle body 1 using the state being configured to play as main transformer speed variator function.
As shown in Figure 2, HST12 is configured to, by the work of configuration charge pump (not shown) therein etc., supplement the oil being stored in fuel tank 28.
It should be noted that and be, although the diagram of omission, HST12 can with such as its input shaft 33 and output shaft 34 in front and back towards state under HM Hydraulic Motor 32 front and back that are positioned at the lengthwise immediately below Hydraulic Pump 31 towards posture or its input shaft 33 and output shaft 34 in left and right towards state under long left and right, front and back arranged side by side before and after Hydraulic Pump 31 and HM Hydraulic Motor 32 be equipped on running vehicle body 1 towards postures such as postures.In addition, axial piston variable capacity motor can also be equipped as HM Hydraulic Motor 32.
Then, the integral structure of driving device 13 and the structure of transmission gearbox 43 are described.
As shown in figs. 3 to 9, driving device 13 is configured to be built-in with at the transmission gearbox 43 of castability: left and right towards input shaft 44, driven shaft 45, side clutch spindle 46; The change-speed box 47 of often engagement type selection gear type; One offside clutch brake unit 48; And the transmission device 49 etc. of the left and right sides.And, also possess: from the bottom bridging of transmission gearbox 43 to the left and right of the crawler belt 7 of the correspondence of the left and right sides towards the traveling axle drive shaft 50 of the left and right sides; And the driving axle box 51 etc. of the left and right sides of traveling axle drive shaft 50 of the left and right sides can be supported rotatably with the state of surrounding respectively.
Transmission gearbox 43 possesses the auxiliary tank parts 53 of main tank parts 52 and the left and right sides.Main tank parts 52 are configured to the left and right bipartite texture that can be separated into left case component 54 and right case component 55.And be configured to, by case component 54,55 bolt link by the left and right sides, to possess the first spatial portion 56 as its inner space and auxiliary space portion 57.In addition, in the lower side of its left and right sidewall, the recess 52A of the internal recess to main tank parts 52 is possessed.And, by the left and right sidewall at main tank parts 52 to cover the auxiliary tank parts 53 of the state bolt link left and right sides of these recess 52A, thus between left and right sidewall and the auxiliary tank parts 53 of the left and right sides, possess the second space portion 58 of the left and right sides.
That is, the inner space of transmission gearbox 43 possesses the second space portion 58 of the first spatial portion 56, auxiliary space portion 57 and the left and right sides.
As shown in Fig. 3 ~ 7, Fig. 9 and Figure 10, transmission gearbox 43 is configured with on its top of taking the right side wall of Drive Section side of formation the input part be connected with the efferent of the port block 36 being configured in HST12.And, with under the state being connected to the efferent of port block 36 at its input part, be equipped with HST12 on the top of its right side wall by bolt link.
The input shaft 44 of driving device 13 is configured to the output shaft 34 right part of its input side end of formation being entrenched in the HST12 be configured as the external device A be connected with transmission gearbox 43 via cylinder axle 59 spline, rotates integrally thus centered by the axle center of output shaft 34 with output shaft 34.Transmission gearbox 43 is configured with the first opening 43A of the left part of the end of the formation of exposing input shaft 44 side contrary with input side end in the upper side of its left side wall.
Thus, when the neutrality of carrying out HST12 regulates, by observing the left part of the input shaft 44 exposed from the first opening 43A, can confirm whether the output shaft 34 of HST12 under the state that main shift lever 17 is operated center position stops easily.That is, can easily and reliably carry out HST12 neutrality regulate.
It should be noted that, as the external device A be connected with transmission gearbox 43, also can possess such as belt-type stepless speed control apparatus, continuous variable hydromechanical transmission system (HMT), band transmission or electro-motor etc.
Then, change-speed box 47 dependency structure of driving device 13 is described.
As shown in Fig. 6, Fig. 7, Fig. 9 and Figure 10, change-speed box 47 is configured to be equipped with on the top of the first spatial portion 56 of transmission gearbox 43: the low-speed drive gear 60 of the low speed rotation that the frequency of utilization used when carrying out crossing over the traveling of ridge etc. is minimum and low speed driven gear 61; The middle speed drive gear 62 of the higher middling speed transmission of frequency of utilization used when operation travels etc. and middling speed driven gear 63; When operation travels or the high-speed drive gear 64 of the highest high-speed drive of the mobile frequency of utilization used when travelling etc. and high speed driven gear 65; So that the gearshift 66 etc. of the gear selecting operation of these driven wheels and driven gear can be carried out, thus 3 grades of speed changes can be carried out by the gear selecting operation of gearshift 66.
Each driven wheel 60,62,64 are entrenched in the cylinder axle 59 of the input shaft 44 of driving device 13, middle speed drive gear 62 and high-speed drive gear 64 spline are entrenched in the input shaft 44 of driving device 13 by low-speed drive gear 60 is integrally formed at spline, thus its axle center to be equipped in the input shaft 44 of driving device 13 as the state that the input shaft 44 of center and driving device 13 rotates integrally.In addition, the state being positioned at the center side of input shaft 44 with the left end side that low-speed drive gear 60 is arranged in the right-hand member side of input shaft 44, speed drive gear 62 is positioned at input shaft 44, high-speed drive gear 64 is configured setting.That is, the input shaft 44 of driving device 13 doubles as the axle drive shaft of change-speed box 47, and the axle drive shaft of this change-speed box 47 is with each driven wheel 60,62,64 of the state support rotated integrally.
Each driven gear 61,63,65 is equipped on the adjacent driven shaft 45 being configured in the below of input shaft 44 so that the mode that can relatively rotate is outer.In addition, gear part 61A, 63A, 65A of being in engagement all the time with corresponding driven wheel 60,62,64 is possessed in their end side, and possess splined hub portion 61B, 63B, 65B in their another side as the connecting portion Ba of gear selecting, form the connection gear B be connected with gearshift 66.And, low speed driven gear 61 is positioned at the right-hand member side of driven shaft 45 with its gear part 61A and the state that its splined hub portion 61B is positioned at the center side of driven shaft 45 is provided in the right-hand member side of driven shaft 45.In addition, middling speed driven gear 63 is positioned at the center side of driven shaft 45 with its gear part 63A and the state that its splined hub portion 63B is positioned at the left end side of driven shaft 45 is configured in the center side of driven shaft 45.And then, high speed driven gear 65 is positioned at the center side of driven shaft 45 with its gear part 65A and the state that its splined hub portion 65B is positioned at the right-hand member side of driven shaft 45 is provided in the center side of driven shaft 45.
Gearshift 66 is configured to be possessed: the first spline shaft 45A and the second spline shaft 45B that are configured in driven shaft 45 with the state rotated integrally with driven shaft 45; Spline is entrenched in first shift member 67 of the first spline shaft 45A; Spline is entrenched in second shift member 68 of the second spline shaft 45B; Possesses the shift fork 69 of the first fork 69A of the first shift member operation and the second fork 69B of the second shift member operation; Can relative sliding ground supporting shift fork 69 left and right towards speed change fulcrum 70; Be installed in the detent mechanism 71 that the position between shift fork 69 and speed change fulcrum 70 keeps; By the motion arm 72 of shift fork 69 slide in left-right direction; And the front and back of support operational arm 72 towards variable speed operation axle 73 etc.
First spline shaft 45A is integrally formed in the position, right side between low speed driven gear 61 and high speed driven gear 65 of driven shaft 45.And, be configured to the splined hub portion 65B by the splined hub portion 61B and high speed driven gear 65 adjoining low speed driven gear 61 in its left and right sides, thus with low speed with and two driven gears 61,65 of high speed state that is connecting object.
Second spline shaft 45B is configured to be entrenched in the splined hub 74 of the left part of driven shaft 45 by spline removably.And, be configured to by splined hub portion 63B having middling speed driven gear 63 adjacent on the right side of it, thus only with the state that middling speed driven gear 63 is connecting object.
First shift member 67 and the second shift member 68 are configured to along with shift fork 69 slides along speed change fulcrum 70 on the axle of speed change fulcrum 70, by the speed change state of change-speed box 47 in Low transmission state, 3 grades of switchings between middling speed drive state and high-speed drive state, wherein, Low transmission state is with the drive state of the first shift member 67 by the first spline shaft 45A spline joint of the splined hub portion 61B of low speed driven gear 61 and driven shaft 45; Middling speed drive state is with the drive state of the second shift member 68 by the second spline shaft 45B spline joint of the splined hub portion 63B of middling speed driven gear 63 and driven shaft 45; High-speed drive state is with the drive state of the first shift member 67 by the first spline shaft 45A spline joint of the splined hub portion 65B of high speed driven gear 65 and driven shaft 45.
As shown in Fig. 9 and Figure 10, detent mechanism 71 is configured to the ball 75 of the recess 69C by being configured in shift fork 69 and Compress Spring 76 and is formed as 3 engagement grooves 70A, 70B, 70C etc. of ring-type at the outer peripheral face of speed change fulcrum 70, and shift fork 69 engaging is remained on the low-speed position corresponding with the Low transmission state of change-speed box 47, the intermediate position corresponding with the middling speed drive state of change-speed box 47 and the high speed position corresponding with the high-speed drive state of change-speed box 47.
As shown in Fig. 3 ~ 5, Fig. 9 and Figure 10, the motion arm 72 of change-speed box 47 swings at left and right directions centered by the axle center of variable speed operation axle 73, and its free end is sticked in shift fork 69 with the state of the relative displacement allowing shift fork 69.
Variable speed operation axle 73 runs through the antetheca of transmission gearbox 43, possesses motion arm 72 at the inner end of the inside being positioned at transmission gearbox 43, and possesses connecting arm 77 in the outer end of forwards protruding from the antetheca of transmission gearbox 43, motion arm 72 and connecting arm 77 interlock is linked.
The free end of connecting arm 77 via secondary speed change with mechanical type bindiny mechanism 78 be connected with secondary shifter bar 18, make the operating position of shift fork 69 will change to the position corresponding with the operating position of secondary shifter bar 18 linkedly with the swinging operation in the longitudinal direction of secondary shifter bar 18.
That is, change-speed box 47 is built in transmission gearbox 43 using the state being configured to play as secondary speed-changing device function.
By said structure, change-speed box 47 is with from the input shaft 44 of driving device 13 to the state of driven shaft 45 transmission, and input shaft 44 and the driven shaft 45 of bridging driving device 13 are equipped.And, change-speed box 47 is configured to be operated by the gear selecting of the gearshift 66 of the operation interlock with secondary shifter bar 18, select the driven gear 61 linked with driven shaft 45 interlock, 63, 65, thus its drive state is selected one be switched to the Low transmission state power of the output shaft 34 from HST12 being delivered to driven shaft 45 via low-speed drive gear 60 and low speed driven gear 61, the middling speed drive state of driven shaft 45 is delivered to via middle speed drive gear 62 and middling speed driven gear 63, the high-speed drive state of driven shaft 45 is delivered to via high-speed drive gear 64 and high speed driven gear 65.
And, in this change-speed box 47, by the axle drive shaft that input shaft 44 dual-purpose of driving device 13 is change-speed box 47, therefore compared with situation about such as the special axle drive shaft configured in addition and input shaft 44 being arranged abreast, can save from input shaft 44 to drive mechanisms such as the driven off by shaft gears of driving.Its result, by simplifying the drive mechanism in transmission gearbox, can realize the facilitation of manufacture, the miniaturization etc. of driving device 13.
In addition, each driven gear 61,63,65 can be supported with the relative rotation, and can relative sliding ground supporting the first shift member 67 and the driven shaft 45 of the second shift member 68 be provided in than input shaft 44 also position on the lower, the electrolyte level of the lubricating oil being stored in transmission gearbox 43 can be reduced thus, the oily storage capacity of transmission gearbox 43 can be reduced.Its result, can realize the lightweight etc. for the shortening of the production time of changing oil, the reduction of cost and driving device 13.
And then, be configured to both low speed driven gear 61 and high speed driven gear 65 as the connecting object of the first spline shaft 45A being configured in driven shaft 45, thus, with such as driven shaft 45 configure using low speed driven gear 61 as the special spline shaft of low speed of connecting object and using high speed driven gear 65 compared with the situation of the high-speed dedicated spline shaft of connecting object, the spline shaft of change-speed box 47 and the equipment quantity of shift member can be reduced, in addition, the length of driven shaft 45 can be shortened.Its result, can realize the simplification of the structure of change-speed box 47 and the miniaturization of change-speed box 47, the raising etc. relative to the assembleability of transmission gearbox 43.
In addition, at each driven gear 61, 63, in 65, the center side of driven shaft 45 is positioned at its gear part 63A and the state that its splined hub portion 63B is positioned at the left end side of driven shaft 45 is equipped in driven shaft 45 from the input side end of input shaft 44 and the middling speed driven gear 63 of position farthest, right part by being configured in, thus, the left end side of driven shaft 45 is positioned at its gear part 63A and the reverse state that its splined hub portion 63B is positioned at the center side of driven shaft 45 is equipped in compared with the situation of driven shaft 45 with by this middling speed driven gear 63, speed drive gear 62 in being engaged and linked with this middling speed driven gear 63 can be kept right and configure.Thereby, it is possible to input shaft 44 is stretched out to the left be shorter in length than driven shaft 45.In addition, the left part in order to support input shaft 44 can be made and the position being provided to the bearing 79 Deng Zhou branch of the left side wall of transmission gearbox 43 is displaced to thereunder in order to support the left part of driven shaft 45 and be provided to the right side of the bearing 80 Deng Zhou branch of the left side wall of transmission gearbox 43.Its result, by making the left and right narrowed width on the top of driving device 13, can realize the miniaturization of driving device 13.
And, at input shaft 44, by each driven wheel 60, 62, the high-speed drive gear 64 that frequency of utilization in 64 is the highest is configured in the center side of input shaft 44, the low-speed drive gear 60 lower than this high-speed drive gear 64 frequency of utilization and middle speed drive gear 62 are configured in the shaft end side of input shaft 44, thus, the bearing 79 Deng Zhou branch of the left and right sides of the left and right sidewall of transmission gearbox 43 can be provided in by the both ends in order to support input shaft 44, balance bears the moment of torsion by putting on input shaft 44 under the high-speed drive state using the highest high-speed drive gear 64 of frequency of utilization well.Namely, the moment of torsion of the axle branch putting on the left and right sides time that is impartial or approximate equality can be made elongated, its result, when high-speed drive gear 64 the highest for frequency of utilization can be suppressed to be provided in the shaft end side of input shaft 44, the moment of torsion of axle branch producing the side owing to putting on its shaft end side of supporting is greater than that time of the moment of torsion of the axle branch putting on the opposing party is elongated and the durability of the axle branch of one side that is that cause reduces and problem that replacement frequency uprises.
In addition, at driven shaft 45, by each driven gear 61, 63, the low speed driven gear 61 that frequency of utilization in 65 is minimum is provided in the right-hand member side of driven shaft 45, the middling speed driven gear 63 higher than this low speed driven gear 61 frequency of utilization and high speed driven gear 65 are configured in the center side of driven shaft 45, therefore, it is possible to the moment of torsion of driven shaft 45 will be put under the middling speed drive state using the high middling speed driven gear 63 of frequency of utilization or high speed driven gear 65 and high-speed drive state, the axle branch being provided in bearing 80 grade of the left and right sides of the left and right sidewall of transmission gearbox 43 by the both ends in order to support driven shaft 45 is carried out balance and accepts well.Namely, the moment of torsion of the axle branch putting on the left and right sides time that is impartial or approximate equality can be made elongated, its result, that can suppress to produce when the either or both in middling speed driven gear 63 high for frequency of utilization and high speed driven gear 65 is configured in the shaft end side of driven shaft 45, be greater than the moment of torsion of the axle branch putting on the opposing party due to the moment of torsion of the axle branch putting on a side of its shaft end side of supporting time is elongated and the durability of the axle branch of one side that causes reduces and possibility that replacement frequency is uprised.
By the way, in this change-speed box 47, for the splined hub 74 of formation second spline shaft 45B, such as, if each spline 74a being used for being connected with middling speed driven gear 63 being formed at its outer peripheral face to be formed as the length at the two ends of bridging splined hub 74, then when splined hub 74 spline is entrenched in driven shaft 45, can without the need to considering that its spline that carries out simply towards ground of splined hub 74 is fitted together to.On the other hand, in order to realize regardless of splined hub 74 towards, the object with the attended operation of middling speed driven gear 63 can both be carried out smoothly by the slip of the second shift member 68, need to implement the high chamfer machining for the treatment of cost at the both ends of each spline 74a, realize treating cost reduction in there is room for improvement.
Therefore, in splined hub 74, only form in the end side of its outer peripheral face the multiple spline 74a connected, only implement above-mentioned chamfer machining (with reference to Fig. 7 and Figure 10) in the end being positioned at the end of splined hub 74 of these splines 74a.
Thus, the reduction for the treatment of cost can be realized compared with the situation implementing chamfer machining with the both ends at each spline 74a, and when splined hub 74 spline is entrenched in driven shaft 45, can from the outward appearance of splined hub 74 identify easily be suitable for splined hub 74 that this spline is fitted together to towards, can prevent in generation splined hub 74 spline being entrenched in the mistake assembling of driven shaft 45 under the state mistaken by splined hub 74.
It should be noted that, although the diagram of omission, other embodiments in following (1) ~ (7) to change-speed box 47 dependency structure illustrate.
(1) change-speed box 47 also can replace often engagement type and be configured to slip engagement (Slidingmesh) formula, such as, with can the state of relative sliding and driven shaft 45 integrally rotatably fitted in the cylinder axle of driven shaft 45, possesses each driven gear 61, 63, 65 and with gear selecting operate with the connecting portion of gear selecting that is connected of gearshift 66, and by each driven gear 61, 63, 65 are configured to the stateful connection that integrally slided by the operation of gearshift 66 with them the connection gear B at gearshift 66, utilize the gear selecting operation undertaken by gearshift 66, the Low transmission state that its speed change state alternatively switches to low-speed drive gear 60 and low speed driven gear 61 to be engaged and linked, the middling speed drive state that middle speed drive gear 62 and middling speed driven gear 63 are engaged and linked, the high-speed drive state that high-speed drive gear 64 and high speed driven gear 65 are engaged and linked.
(2) change-speed box 47 also can replace often engagement type and be configured to slide engagement type, such as, by each driven gear 61, 63, 65 the state of relative sliding and driven shaft 45 can integrally rotatably be equipped in driven shaft 45 separately, and, at each driven gear 61, 63, 65 possess to operate with gear selecting with the connecting portion of gear selecting that is connected of gearshift 66, by each driven gear 61, 63, 65 are configured to the connection gear B being connected to gearshift 66, and by each driven gear 61, 63, 65 stateful connections integrally slided by the operation of gearshift 66 with them are at gearshift 66, utilize the gear selecting operation undertaken by gearshift 66, its speed change state alternatively switches to, the Low transmission state that low-speed drive gear 60 and low speed driven gear 61 are engaged and linked, the middling speed drive state that middle speed drive gear 62 and middling speed driven gear 63 are engaged and linked, the high-speed drive state that high-speed drive gear 64 and high speed driven gear 65 are engaged and linked.
(3) change-speed box 47 also can replace often engagement type and be configured to such as synchromesh (Synchromesh), this synchromesh is at each driven gear 61, the synchronous portion making their circular velocity synchronous is possessed between splined hub portion 61B, 63B, 65B of 63,65 and the first spline shaft 45A adjacent with them or the second spline shaft 45B.
(4) change-speed box 47 also can replace 3 grades of speed changing types and be configured to 2 grades of speed changing types of Low transmission state and the mobile high-speed drive state travelled that operation such as can be switched to travel.In addition, also can be configured to possess the dead slow speed drive state etc. than Low transmission state low speed and the multi-change speed formula of the switching of more than 4 grades can be carried out.
(5) for change-speed box 47, also can replace the structure each driven gear 61,63,65 being equipped in driven shaft 45 as the connection gear B can carrying out gear selecting operation by gearshift 66, be configured to the structure each driven wheel 60,62,64 being equipped in input shaft 44 as the connection gear B can carrying out gear selecting operation by gearshift 66.And, in the structure shown here, also can be configured to adjacent for input shaft 44 below being provided in driven shaft 45.
(6) splined hub that the first spline shaft 45A of change-speed box 47 also can be entrenched in driven shaft 45 by spline is removably formed.In addition, also the second spline shaft 45B of change-speed box 47 can be integrally formed in driven shaft 45.
(7) for input shaft 44 or each driven wheel 60,62,64 of driven shaft 45 and the configuration of each driven gear 61,63,65, various change can be carried out according to the frequency of utilization of each gear 60 ~ 65.Such as, when the frequency of utilization of low-speed drive gear 60 and low speed driven gear 61 is high, also low-speed drive gear 60 and low speed driven gear 61 can be configured in the center side of input shaft 44 or driven shaft 45.In addition, when the frequency of utilization of high-speed drive gear 64 and high speed driven gear 65 is low, also high-speed drive gear 64 and high speed driven gear 65 can be configured in the shaft end side of input shaft 44 or driven shaft 45.
Then, the structure that the driven shaft 45 of the change-speed box 47 from driving device 13 carries out transmission to side clutch spindle 46 is described.
As shown in Fig. 6 ~ 11, the position between driven shaft 45 middling speed driven gear 63 in the central portion and high speed driven gear 65 plays the output gear 81 of the path of function using the mode spline that driven shaft 45 and output gear 81 the rotate integrally output swivel 81 be fitted together to as change-speed box 47.Side clutch spindle 46 is provided in the pars intermedia up and down of the first spatial portion 56 of transmission gearbox 43.And, at the midway location of its left and right directions, using side clutch spindle 46 and transmission gear 82 can not relative sliding state integrally rotatably spline be fitted together to the transmission gear 82 in the large footpath as transmission swivel 82 be engaged and linked with output gear 81.Namely, be configured to utilize output gear 81 and transmission gear 82 to carry out the gear type of transmission by from driven shaft 45 bridging to the drive mechanism of side clutch spindle 46, thus make the power after by change-speed box 47 speed change be delivered to side clutch spindle 46 from driven shaft 45 deceleration.
It should be noted that, although the diagram of omission, but also can replace gear type from driven shaft 45 bridging to the drive mechanism of side clutch spindle 46 and by being configured to such as chain-drive with lower member, comprise: the sprocket wheel being configured in the path of driven shaft 45 as output swivel 81; The sprocket wheel in the large footpath of side clutch spindle 46 is configured in as transmission swivel 82; And bridging be wound on the messenger chain of these sprocket wheels.In addition, also can be configured to V belt translation formula by with lower member, comprise: the belt wheel being configured in the path of driven shaft 45 as output swivel 81; The belt wheel in the large footpath of side clutch spindle 46 is configured in as transmission swivel 82; And bridging be wound on the driving band of these belt wheels.And then, such as, also can be integrally formed in driven shaft 45 by exporting swivel 81 or be attached at driven shaft 45 in the mode rotated integrally with driven shaft 45 via key pin.On the other hand, such as, also transmission swivel 82 can be integrally formed in side clutch spindle 46 or to be attached at side clutch spindle 46 with the mode that side clutch spindle 46 rotates integrally via key pin or even in the mode that can relatively rotate fitted in side clutch spindle 46.
Then, side clutch brake unit 48 dependency structure of the left and right sides of driving device 13 is described.
As shown in Fig. 6 ~ 9 and Figure 11 ~ 13, each side clutch brake unit 48 possesses respectively: the engagement type side power-transfer clutch 83 transmission of the crawler belt 7 from transmission gear 82 to correspondence being communicated with/cutting off, the crawler belt 7 of correspondence is carried out the multiple-piece side brake 84 braked.And, be provided on the axle of side clutch spindle 46 the state bottom left that centered by transmission gear 82, transmission gear 82 is clipped in the middle by symmetrical mode is parted on the right side fall apart, thus make the side clutch brake unit 48 in left side act on the crawler belt 7 in left side via the transmission device 49 in left side and the traveling axle drive shaft 50 in left side, and the side clutch brake unit 48 on right side acts on the crawler belt 7 on right side via the transmission device 49 on right side and the traveling axle drive shaft 50 on right side.
Each side power-transfer clutch 83 possesses: can be carried out the state of dismounting by the slip carried out relative to side clutch spindle 46 on the axis direction of side clutch spindle 46, can with the relative rotation fitted in the cylinder axle 85 of side clutch spindle 46; The mobile sidespin possessing engaging piece 86A at a side turns 86; Possesses the fixation side swivel 87 of engagement part 87A; To turn to mobile sidespin the Compress Spring 88 of 86 forces in the position that is communicated be meshed towards engaging piece 86A and engagement part 87A; In connection position, mobile sidespin is turned 86 retainers 89 be made up of the back-up ring of C font stopped; And the spring perch 90 etc. of an end of undertaking Compress Spring 88.And, corresponding mobile sidespin is turned and 86 to be slided into by the effect of Compress Spring 88 and be communicated with position, switch to mobile sidespin to turn thus drive state that the engaging piece 86A of the 86 and engagement part 87A of fixation side swivel 87 is meshed, and, sliding into off-position by resisting the effect of Compress Spring 88, switching to thus and removing mobile sidespin and to turn the dissengaged positions of engagement of the engaging piece 86A of 86 and the engagement part 87A of fixation side swivel 87.
Each cylinder axle 85 is possessing the first spline shaft 85A in large footpath close to side in transmission gear 82.In addition, the second spline shaft 85B of path is possessed in the outer side away from transmission gear 82.And the stage portion 85C being positioned at the inner of the first spline shaft 85A plays function as spring perch 90.In addition, the engagement groove 85D of ring-type that can be outer removably for retainer 89 is formed in the outer end of the second spline shaft 85B.
Each mobile sidespin turns 86 inner peripheral portion being configured to them as can being entrenched in the splined hub portion 86B of the second spline shaft 85B of an axle 85 and playing function by relative sliding ground spline.In addition, circumferentially form multiple internal tooth with a constant pitch in the inner peripheral portion of the outer side of the drop center portion 86C of their peripheral part of formation, the inner peripheral portion of drop center portion 86C plays function as engaging piece 86A thus.
Each fixation side swivel 87 is made up of the spur gear possessing multiple external tooth, and its peripheral part plays function as engagement part 87A.And, each fixation side swivel 87 is entrenched in cylinder axle 85 corresponding to the ratio of side clutch spindle 46 also by the two-end part of shaft end side with the state spline adjacent with cylinder axle 85, makes each fixation side swivel 87 can be rotated integrally by the state and side clutch spindle 46 of carrying out dismounting relative to the slip of side clutch spindle 46 on the axis direction of side clutch spindle 46.Thus, each fixation side swivel 87 is configured to the drive side swivel that rotates integrally via side clutch spindle 46 and transmission gear 82 as the side power-transfer clutch 83 in the left and right sides and plays the state of function.
As shown in Figure 11 ~ 13, at each side power-transfer clutch 83, mobile sidespin is turned 86, Compress Spring 88, retainer 89 and spring perch 90, to turn 86 and the configuration of Compress Spring about 88 side by side between retainer 89 and spring perch 90 with mobile sidespin, and turn with mobile sidespin and 86 on the axis direction of side clutch spindle 46, can carry out relative to cylinder axle 85 peripheral part that the state of sliding and cylinder axle 85 are integrally rotatably equipped in an axle 85, make an axle 85, mobile sidespin turns 86, Compress Spring 88, with side clutch spindle 46 sliding unit 91 that slides of one removably on the axis direction that retainer 89 and spring perch are formed in side clutch spindle 46.
Each sliding unit 91 as one of component parts, to possess driven wheel 92 as the interlock swivel linked with corresponding crawler belt 7 interlock with the state that cylinder axle 85 rotates integrally.Thus, the mobile sidespin that each sliding unit 91 possesses is turned 86 states being configured to play as the driven-side rotor rotated integrally via cylinder axle 85 and driven wheel 92 at each side power-transfer clutch 83 function.
Transmission gear 82 on the axle of side clutch spindle 46 and between the sliding unit 91 of the left and right sides, clamps the thrust washer 93 of the application force of the axis direction accepted between which along side clutch spindle 46.
Each side brake 84 is configured to be possessed: the brake hub 94 rotated integrally with sliding unit 91; Fitted in multiple dividing plates 95 of brake hub 94; The multiple brake discs 96 alternately configured on the axis direction of side clutch spindle 46 with multiple dividing plate 95 and single pressing plate 97; And support the brake shell 98 etc. of multiple brake disc 96 and single pressing plate 97.
Each brake hub 94 is outer is equipped in corresponding sliding unit 91, as one of its component parts.And, can integrally rotatably support multiple dividing plate 95 in the state of the enterprising line slip of the axis direction of side clutch spindle 46 and sliding unit 91.
Each brake shell 98, to surround the roughly tubular of dividing plate 95 and brake disc 96 etc., is integrally formed in the middle part up and down of the left and right sidewall of transmission gearbox 43.And, by multiple brake disc 96 and single pressing plate 97 can not support revolvably in the state of the enterprising line slip of the axis direction of side clutch spindle 46.In addition, possess carrier 98A at their inner position, accept the dividing plate 95 from the axle center of side clutch spindle 46 to the private side of transmission gearbox 43 and brake disc 96 that slide along.
Each sliding unit 91 possesses the splined hub 99 rotated integrally with cylinder axle 85.Each splined hub 99 forms and shares part, and wherein, the side being positioned at the center side of the left and right directions of transmission gearbox plays function as driven wheel 92 and the outer side being positioned at the end side of the left and right directions of transmission gearbox plays function as brake hub 94.And, at the inner peripheral surface of driven wheel side, perfect flower keyhole portion 99A, fitted in the first spline shaft 85A being configured at side in corresponding cylinder axle 85, and, at the inner peripheral surface of brake hub side, possess wide diameter portion 99B, and between cylinder axle 85, form the accommodation space 100 of Compress Spring.
First spline shaft 85A of each cylinder axle 85 is formed as the length from the stage portion 85C bridging of cylinder axle 85 to the axle head of side, large footpath.And the outer circumferential side of the first spline shaft 85A of the shaft end in side, large footpath possesses the recessed engagement section 85E being formed as roughly ring-type, and can the outer back-up ring 101 being equipped with C font removably at this engagement section 85E.
For each splined hub 99, its splined hole portion 99A is formed as the length from back-up ring 101 bridging to stage portion 85C, and wide diameter portion 99B is formed as the length of the hub end (the hub end away from back-up ring 101 side) from stage portion 85C bridging to brake hub side.
Each mobile sidespin is turned the 86 recess 86D being formed with the ring-type allowing the end of the brake hub side of splined hub 99 to snap between their splined hub portion 86B and drop center portion 86C.Thus, when make each mobile sidespin turn 86 move to splined hub side, the interior side of their splined hub portion 86B snaps in the wide diameter portion 99B of corresponding splined hub 99, and the interior side of drop center portion 86C is fitted in splined hub 99, thus the inner of drop center portion 86C multiple dividing plates 95 of being provided in the brake hub side of splined hub 99 by outer and brake disc 96 via pressing plate 97 by the carrier 98A pressing to brake shell 98.
That is, each mobile sidespin turn 86 drop center portion 86C be configured to play as acting on the corresponding dividing plate 95 of side brake 84 and the signature splenium 86C of brake disc 96 state of function.Thus, each side brake 84 is configured to: the mobile sidespin along with correspondence turn 86 antagonism Compress Springs 88 effect and slide to being positioned at the rightabout braking position being communicated with position from described off-position, the brake release state removing the crimping that the effect by giving as security splenium 86C is carried out from multiple dividing plate 95 and brake disc 96 switches to multiple dividing plate 95 and brake disc 96 to be carried out the braking mode crimped by the effect of giving as security splenium 86C, and, along with the effect by Compress Spring 88 is slided to off-position from braking position, switch to brake release state from braking mode.
As shown in Fig. 2 ~ 8 and Figure 11 ~ 13, transmission gearbox 43 is at the position opposed with each side clutch brake unit 48 on the axis direction of side clutch spindle 46 of its left and right sidewall, possesses the second opening 43B allowing sliding unit 91, dividing plate 95, brake disc 96 and pressing plate 97 etc. to pass through, and by bolt link, so that the mode of dismounting the cover component 102 blocking these second openings 43B can be possessed.
Each cover component 102 possesses the assist openings 102A allowing fixation side swivel 87 to pass through, and by bolt link, the mode of dismounting can possess the assist shroud component 103 blocking this assist openings 102A.Each assist openings 102A is formed as the circle centered by the axle center of side clutch spindle 46.Each assist shroud component 103 is positioned at the private side of transmission gearbox 43 state with minor diameter part 103B possesses: be embedded in assist openings 102A large-diameter portion 103A and and assist openings 102A between form the minor diameter part 103B in the space 104 of ring-type.And, the bearing Deng Zhou branch 105 of the end of support side clutch spindle 46 is possessed at its minor diameter part 103B.
Each sliding unit 91 with mobile sidespin turn 86 the drop center portion 86C state opposed with the annulus 104 of configuration cover component 102 be equipped on the axle of side clutch spindle 46.Each cover component 102 to be turned 86 pistons 106 carrying out the ring-type of slide to mobile sidespin embedding to be equipped with in the state of the enterprising line slip of the axis direction of side clutch spindle 46 at their annulus 104.And the space 104 being configured to ring-type plays the state of function as the oil pocket 104 of piston operation.
Each piston 106 is configured to the work of valve cell 107 by turning to and the axis direction along side clutch spindle 46 slides, and by this slip, the mobile sidespin that the axis direction slide along side clutch spindle 46 is corresponding turns 86.Specifically, along with oil pocket 104 boosts due to the work of valve cell 107, axle center along side clutch spindle 46 slides into the center side of side clutch spindle 46, and by this slip, the effect of antagonism Compress Spring 88, the mobile sidespin of correspondence is turned 86 from connection position slide to off-position, afterwards, from off-position slide to braking position.In addition, along with oil pocket 104 reduces pressure due to the work of valve cell 107, axle center along side clutch spindle 46 slides into the shaft end side of side clutch spindle 46, and by this slip, by the effect of Compress Spring 88, the mobile sidespin of correspondence is turned 86 from braking position slide to off-position, afterwards, is communicated with position from off-position slide.
The valve cell 107 turned to carrys out switch operating state mode with the swinging operation on the left and right directions based on joystick 16 is connected to joystick 16 via the mechanical type bindiny mechanism 108 turned to.Specifically, under the state that joystick 16 is positioned at center position, maintain the decompression state operation for each piston 106 being compressed into row decompression.Joystick 16 from center position swinging operation to the left, then switches to the left pressure-increasning state operation of the piston 106 for left side being compressed into row boosting from decompression state.Joystick 16 from center position swinging operation to the right, then switches to the right pressure-increasning state operation of the piston 106 for right side being compressed into row boosting from decompression state.Joystick 16 swinging operation to center position, then switches to decompression state from left pressure-increasning state or right pressure-increasning state.
According to this structure, by joystick 16 is remained on center position, the valve cell 107 turned to can be maintained decompression state, thus, each mobile sidespin can be turned 86 maintain be communicated with position, as a result, motoring condition can be maintained the craspedodrome state of the crawler belt 7 of the left and right sides being carried out to constant speed driving.In addition, by by joystick 16 from center position swinging operation to the left, the valve cell 107 turned to can be switched to left pressure-increasning state from decompression state, thus, the mobile sidespin on right side can be turned 86 maintain be communicated with position, and make left side mobile sidespin turn 86 from connection position slide into off-position or braking position, result, can by motoring condition from craspedodrome state switch to make left side crawler belt 7 driven or braking, make the pivotal left turn state of car body left direction.On the contrary, by by joystick 16 from center position swinging operation to the right, the valve cell 107 turned to can be switched to right pressure-increasning state from decompression state, thus, the mobile sidespin in left side can be turned 86 maintain be communicated with position, and make right side mobile sidespin turn 86 from connection position slide into off-position or braking position, result, can by motoring condition from craspedodrome state switch to make right side crawler belt 7 driven or braking, make the pivotal right-hand rotation state of car body right direction.And, under left turn state or right-hand rotation state, by by joystick 16 swinging operation to center position, the valve cell 107 turned to can be switched to decompression state from left pressure-increasning state or right pressure-increasning state, thus, can make the mobile sidespin of the either horizontal being positioned at off-position or braking position turn 86 slide into be communicated with position, result, can switch to craspedodrome state by motoring condition from left turn state or right-hand rotation state.
Namely, in each side clutch brake unit 48, the dual-purpose that 86 dual-purposes of being turned by each mobile sidespin are the operating parts of both side power-transfer clutch 83 and side brake 84 is adopted to construct, implementation structure simplification etc. can be reduced by passage pieces number, and side power-transfer clutch 83 and side brake 84 suitably interlock can be made, thus, the motoring condition of the crawler belt 7 based on the left and right sides can be transitioned into left turn state or right-hand rotation state reposefully from craspedodrome state, or be transitioned into craspedodrome state reposefully from left turn state or right-hand rotation state.
And, by above-mentioned structure, in each side clutch brake unit 48, can from each opening 43A of transmission gearbox 43, mobile sidespin is turned 86, fixation side swivel 87, dividing plate 95 and brake disc 96 etc. carry out dismounting relative to the side clutch spindle 46 being built in transmission gearbox 43 and each brake shell 98 of being configured in transmission gearbox 43.In addition, the axle branch 105 etc. for the piston 106 that operates each side clutch brake unit 48 and side clutch spindle can carry out dismounting relative to transmission gearbox 43 together with the cover component 102 of each opening 43A of obturation.Thus, when carrying out changing that mobile sidespin turns 86, fixation side swivel 87, dividing plate 95, brake disc 96, piston 106 and axle branch 105 etc. upkeep operation, by dismantling each cover component 102 from transmission gearbox 43, transmission gearbox 43 can be decomposed easily like a dream.In addition, in the upkeep operation for fixation side swivel 87, piston 106 and axle branch 105, by dismantling assist shroud component 103 from cover component 102, can by cover component 102 mobile sidespin to be turned 86, the state remained in transmission gearbox such as dividing plate 95 and brake disc 96 carries out for fixation side swivel 87, piston 106 and axle branch 105 upkeep operation.
In addition, the cylinder axle 85 of side power-transfer clutch 83, mobile sidespin are turned 86, Compress Spring 88, retainer 89, spring perch 90; Driven wheel 92; And the brake hub 94 of side brake 84 etc. is as carrying out modularity relative to the sliding unit 91 of side clutch spindle 46 one dismounting, thus, with mobile sidespin is turned 86, Compress Spring 88 etc. carries out compared with the situation of dismounting, can realizing the raising of the disassembly relative to side clutch spindle 46 relative to side clutch spindle 46 separately.
Particularly, mobile sidespin is turned 86, Compress Spring 88 etc. is when carrying out dismounting separately relative to side clutch spindle 46, need each opening 43A from narrow transmission gearbox 43, to resist the larger power of the effect of Compress Spring 88, carry out turning 86 relative to the mobile sidespin of side clutch spindle 46, the dismounting of retainer 89 etc., therefore turn 86 relative to the mobile sidespin of side clutch spindle 46, the dismounting of retainer 89 etc. become difficulty.Relative to this, for this side clutch brake unit 48, mobile sidespin is turned 86, Compress Spring 88 etc. carries out dismounting with the state of carrying out modularity relative to side clutch spindle 46, as long as therefore in operating area the outside of unrestricted transmission gearbox 43 carry out resisting that the effect of Compress Spring 88 and the mobile sidespin that carries out turn 86 relative to cylinder axle 59, the dismounting of retainer 89 etc., its result, can significantly improve turn 86 relative to the mobile sidespin of side clutch spindle 46, the disassembly of retainer 89 etc.
And then in each sliding unit 91, the splined hub 99 rotated integrally with cylinder axle 85 is the universal components doubling as driven wheel 92 and brake hub 94, therefore, it is possible to the raising etc. by deleting the simplification of parts number of packages implementation structure and assembleability.In addition, wide diameter portion 99B is possessed at the inner peripheral surface of the brake hub side of its splined hub 99, form the accommodation space 100 of Compress Spring between described wide diameter portion 99B and cylinder axle 85, cylinder axle 85, Compress Spring 88 and splined hub 99 can be equipped with state overlapping in the radial direction of cylinder axle 85 thus.Thereby, it is possible to prevent each sliding unit 91 elongated on axis direction, result, can realize short and smallization of side clutch spindle 46, and can realize the miniaturization of driving device 13 by making the left and right narrowed width at upper and lower pars intermedia of driving device 13.
As shown in Figure 11 ~ 13, each mobile sidespin is turned 86 inner peripheral surfaces in the retainer side of its splined hub portion 86B, be formed mobile sidespin turn 86 slide into and be communicated with position time allow retainer 89 to enter wide diameter portion 86E.Each wide diameter portion 86E is formed as the size stoping retainer 89 to depart from from engagement groove 85D.
Thus, such as, incomplete relative to the engaging of the engagement groove 85D of each cylinder axle 85 at retainer 89, causing retainer 89 to float from engagement groove 85D, mobile sidespin is turned and 86 to be slided into by the effect of Compress Spring 88 when being communicated with position, and this is to being communicated with sliding through and the contact of retainer 89 and being prevented from of position.That is, retainer 89 easily can be judged by 86 slips undertaken by the effect of Compress Spring 88 after this assembling of turning of mobile sidespin relative to the assembled state of the engagement groove 85D of each cylinder axle 85.Thus, in the engaging incomplete situation of retainer 89 relative to the engagement groove 85D of each cylinder axle 85, its engaging can be improved immediately.
In addition, compared with not forming the situation of wide diameter portion 86E, the length on axis direction of each sliding unit 91 can be shortened further, thus, short and smallization of side clutch spindle 46 can be realized, and the miniaturization of driving device 13 can be realized by making the left and right narrowed width at upper and lower pars intermedia of driving device 13.
As shown in Fig. 7 and Figure 11 ~ 13, each fixation side swivel 87 is configured to: each external tooth forming the engagement part 87A of these fixation side swiveies 87 has the facewidth of more than 2 times of the length of action that the engaging piece 86A that turns 86 with mobile sidespin engages.
Thus, when the engagement part 87A due to fixation side swivel 87 wearing and tearing and itself and mobile sidespin turn 86 engaging piece 86A between produce gap, by dismounting assist shroud component 103 to open assist openings 102A, and the fixation side swivel about 87 utilizing this assist openings 102A to dismantle from side clutch spindle 46 is overturn, be re-assembled to side clutch spindle 46 from assist openings 102A afterwards, thus can change fixation side swivel 87 ground eliminate fixation side swivel 87 and mobile sidespin turn 86 engaging piece 86A between gap.
That is, the life-span of fixation side swivel 87 can be become 2 times, the operating cost needed for side clutch brake unit 48 can be cut down.
As shown in Figure 2, at the oil pocket 104 of each side clutch brake unit 48, using oily as work for the lubrication oil stored in transmission gearbox 43, and supplied via the valve cell 107 turned to by the work of the second Hydraulic Pump 109.The valve cell 107 turned to possesses: the operation in the lateral direction based on joystick 16 switches the transfer valve 110 of the flowing of the oil of the oil pocket 104 for each side clutch brake unit 48, and changes the variable security valve 111 etc. of the safe pressure of the oil pocket 104 of the side clutch brake unit 48 for the left and right sides based on the operation of joystick 16.
It should be noted that, although the diagram of omission, in following (1) ~ (17), other embodiments of the structure turned to relating to offside clutch brake unit 48 grade are illustrated.
(1) one offside clutch brake unit 48 also can be configured to turn to the operation of operating arm dedicated or steering handwheel etc. to carry out switch operating state based on the neutral restoration type of left-right swing type.
(2) one offside clutch brake unit 48 also can be configured to such as, are carried out the electrodynamic type side clutch brake unit etc. of the mode of operation of switch sides power-transfer clutch 83 and side brake 84 by the work of electric cylinder.
(3) also can be configured to replacement one offside clutch brake unit 48 and only possess an offside power-transfer clutch 83.
(4) be equipped with side by side about also can being configured to an offside power-transfer clutch 83 not to be clamped on the axle of side clutch spindle 46 transmission swivel 82 ground, power from side clutch spindle 46 is communicated with/is cut off, and transmission swivel 82 is provided in the end side of the left and right directions of side clutch spindle 46.
(5) one offside power-transfer clutchs 83 also can be configured to mobile sidespin and turn 86 as drive side swivel performance function, and fixation side swivel 87 plays function as driven-side rotor.
(6) also can be configured to side clutch spindle 46 fixed equipment, make an offside power-transfer clutch 83 be communicated with the transmission of the driven wheel (interlock swivel) 92 from transmission swivel 82 to correspondence/cut off on the axle of side clutch spindle 46.
(7) each sliding unit 91 can be configured to mobile sidespin and turns and 86 be provided on the axle of side clutch spindle 46 in the mode adjacent with transmission swivel 82, and, transmission swivel 82 dual-purpose is the fixation side swivel 87 possessing engagement part 87A, and, the mobile sidespin possessing engaging piece 86A 86 dual-purposes of turning are interlock swivel, thus carry out implementation structure simplification etc. by what delete parts number of packages.In addition, also transmission swivel 82 dual-purpose can be replaced to be the structure of fixation side swivel 87, to be configured to be attached at transmission swivel 82 fitted in the fixation side swivel 87 of side clutch spindle 46 to engage with the state that transmission swivel 82 rotates integrally removably.
(8) each sliding unit 91 can be configured to possess driven wheel 92 and brake hub 94 respectively.In addition, as its component parts, any one party in driven wheel 92 and brake hub 94 or both sides can not also be comprised.
(9) for each sliding unit 91, the splined hub 99 doubling as driven wheel 92 and brake hub 94 also can be configured to be integrally formed in an axle 85.In addition, any one party be formed with at cylinder axle 85 in driven wheel 92 and brake hub 94 can be also configured to.
(10) also can be configured to do not possess accommodation space 100 at each sliding unit 91, and configure Compress Spring 88 and splined hub 99 side by side on the axis direction of cylinder axle 85.
(11) also can each cylinder axle 85 formed as move in connection position blocks sidespin turn 86 retainer 89 and play the stage portion of function.In addition, each mobile sidespin is turned and 86 also can not be possessed and allow the wide diameter portion 86E entered of retainer 89.
(12) also can form by the outer back-up ring being fixed on the C font of each cylinder axle 85 spring perch 90 that an end of Compress Spring 88 is accepted.In addition, the stage portion being positioned at the intersection of splined hole portion 99A and wide diameter portion 99B that also can be configured to the inner peripheral surface of splined hub 99 plays function as spring perch 90.
(13) as each fixation side swivel 87, the spur gear etc. with the facewidth being same as the length of action that the engaging piece 86A that turns 86 with mobile sidespin engages can also be adopted.
(14) also can be configured to do not possess assist openings 102A and assist shroud component 103 at cover component 102.
(15) also can be configured to possess axle branch 105 between transmission gearbox 43 and each cover component 102.
(16) also can be configured to transmission gearbox 43 possess each mobile sidespin of slide turn 86 the piston 106 of ring-type close the oil pocket 104 of piston operation.
(17) also can be configured to interlock swivel replace driven wheel 92 and possess drive sprocket or driving pulley.
Then, relevant to the Parking Brake 112 to driving device 13 structure is described.
As shown in Fig. 3, Fig. 5 ~ 7 and Figure 11, the side brake 84 on right side is connected to brake pedal 19 via the operating mechanism 113 of Parking Brake and the mechanical type bindiny mechanism 114 of Parking Brake by the side brake 84 that each side clutch brake unit 48 possesses using the side clutch brake unit 48 being positioned at the right side of taking Drive Section side plays function mode as Parking Brake 112.
The operating mechanism 113 of Parking Brake possesses: the control member 115 being embedded in the ring-type of the cover component 102 on right side in the mode acting on pressing plate 97; Control member 115 is carried out centered by the axle center of side clutch spindle 46 the brake operating axle 116 of rotating operation; Be attached at the connecting arm 117 of the right part of brake operating axle 116; And be formed in the sliding cam mechanism 118 etc. between the cover component 102 on right side and control member 115 in the mode of the slip on the left and right directions that is control member 115 by the rotational transform of control member 115.
The free end of the connecting arm 117 of the operating mechanism 113 of Parking Brake is connected to brake pedal 19 by the mechanical type bindiny mechanism 114 of Parking Brake.And, by this connection, if that carries out brake pedal 19 removes the enter into operation of position to position of entering into from entering into, then brake operating axle 116 and this operation rotate forward linkedly, control member 115 and this rotating forward rotate forward linkedly and left direction is slided, the pressing plate 97 on pressing right side, thus, the side brake 84 on right side switches to braking mode from brake release state.In addition, if carry out the enter into releasing operation of position to releasing position of entering into of entering into from brake pedal 19, then brake operating axle 116 and this operation reverse linkedly, control member 115 and this reverse reverse linkedly and right direction is slided, remove the pressing to the pressing plate 97 on right side, thus, the side brake 84 on right side switches to brake release state from braking mode.
For brake pedal 19, if carry out towards the operation of entering into of position of entering into, then by the effect of the maintaining body (not shown) with this operation interlock, the spring removing position towards entering into can be resisted and exert a force and position is remained on position of entering into.In addition, if carry out the operation of entering into of brake pedal 19 in the position hold mode, then by the effect of the maintaining body with this operation interlock, can keep in the position of position of entering into by brake off pedal 19, the releasing operation of entering into of position is removed in the position of entering into from brake pedal 19 can carrying out utilizing spring to exert a force to entering into.
Namely, under the craspedodrome state that joystick 16 is remained on center position, by operation that brake pedal 19 is entered into position of entering into, brake pedal 19 can be remained on position of entering into, and the side brake 84 on right side can be switched to braking mode from brake release state and keep, the braking force based on the side brake 84 on right side can be made via the side clutch brake unit 48 of the left and right sides to be applied to the crawler belt 7 of the left and right sides.Its result, can make the side brake 84 on right side play function as Parking Brake 112.
It should be noted that, although the diagram of omission, other embodiments in following (1) ~ (4) to Parking Brake 112 dependency structure illustrate.
The side brake 84 that (1) can be configured to left side plays function as Parking Brake 112.In addition, the side brake 84 that also can be configured to the left and right sides plays function as Parking Brake 112.
(2) the special Parking Brake 112 that the crawler belt 7 via clutch brake unit 48 pairs of left and right sides, side of the left and right sides is braked can be configured to be equipped with.
(3) operating mechanism 113 of Parking Brake also can be configured to, by blocking energising, the side brake 84 on right side is switched to the electric operating mechanism of braking mode or by the fluid pressure type operating mechanism side brake 84 on right side being switched to braking mode from brake release state that reduces pressure from brake release state.
(4) also can replace brake pedal 19, equipment can be removed position at parking position and parking and carry out the switch etc. that position switches brake bar or the Parking Brake operation kept.
Then, the transmission device 49 of the left and right sides in driving device 13 and traveling axle drive shaft 50 dependency structure of the left and right sides are described.
As shown in Fig. 3 ~ 9 and Figure 14, the position of transmission gearbox 43 between side clutch spindle 46 and the traveling axle drive shaft 50 of the left and right sides, with the left and right in bridging first spatial portion 56 and corresponding second space portion 58 towards posture the relay axis 119 of the left and right sides is equipped with.And, possess the first axle branches 120 such as bearing at the left and right sidewall of its main tank parts 52, the inner end being positioned at the center side of the left and right directions of transmission gearbox 43 of the relay axis 119 that described bearing supporting is corresponding.In addition, the second axle branches 121 such as bearing are possessed at each auxiliary tank parts 53, the outer end being positioned at the left and right both end sides of transmission gearbox 43 of the relay axis 119 that described bearing supporting is corresponding.Thereby, it is possible to good and each relay axis 119 can be supported rotatably with the double base state stability at the both ends of supporting each relay axis 119.
Each transmission device 49 possesses: in the first spatial portion 56 bridging side clutch spindle 46 of center side of left and right directions and the first driving section 122 of the relay axis 119 of correspondence that are positioned at transmission gearbox 43; In relay axis 119 corresponding to second space portion 58 bridging of the left and right sides of the left and right both end sides being positioned at transmission gearbox 43 and the second driving section 123 travelling axle drive shaft 50.And, under being configured to the state be positioned at above the second driving section 123 in the first driving section 122, symmetrical centered by transmission gear 82.
Each first driving section 122 possesses: the driven wheel 92 being configured in corresponding sliding unit 91; And and the driven gear 124 as driven rotation body that with corresponding relay axis 119 rotate integrally larger than this driven wheel 92 diameter, and be the gear linkage type transmission device that these gears 92,124 are engaged and linked, play function as first reduction part of being carried out slowing down by the power of the side clutch brake unit 48 by way of correspondence.Each driven gear 124 spline is entrenched in the inner end of the relay axis 119 being positioned at the first spatial portion 56.
Each second driving section 123 possesses: the driven wheel 125 being integrally formed in the path as driving rotating bodies of corresponding relay axis 119; The driven gear 126 in the large footpath as driven rotation body rotated integrally with corresponding traveling axle drive shaft 50, and be the gear linkage type transmission device that these gears 125,126 are engaged and linked, carry out the second reduction part of deceleration transmission as the first driving section 122 from correspondence to traveling axle drive shaft 50 and play function.
That is, each transmission device 49 is as being slowed down in two steps by the power of the side clutch brake unit 48 by way of correspondence and being delivered to the speed reduction gearing of corresponding traveling axle drive shaft 50 and playing function.
Transmission gearbox 43 possesses the supports such as bearing 127 at the left and right sidewall of its main tank parts 52, and described bearing supports the hub portion 126A of the main tank component side of corresponding driven gear 126 in the mode that can rotate.In addition, possess the supports such as bearing 128 at each auxiliary tank parts 53, the supports such as described bearing 128 support the hub portion 126B of the auxiliary tank component side of corresponding driven gear 126 in the mode that can rotate.Thereby, it is possible to good and each driven gear 126 can be supported rotatably with the double base state stability at the both ends of supporting each driven gear 126.
Each driven gear 126 possesses the splined hole portion 126C as spline fitting portion that each driven gear 126 and corresponding traveling axle drive shaft 50 interlock can be made to link at their central part.Each traveling axle drive shaft 50 possesses the spline shaft 50A as spline fitting portion that each traveling axle drive shaft 50 can be made to link with corresponding driven gear 126 interlock in the end of their transmission gearbox side.Thereby, it is possible to the driven gear 126 of correspondence and traveling axle drive shaft 50 are linked with the state interlock that can be carried out dismounting by the slip on the axis direction travelling axle drive shaft 50.
Each traveling axle drive shaft 50 is fixed with the drive sprocket 129 of corresponding crawler belt 7 with the state anticreep that spline is fitted together in their outer end.Each driving axle box 51 is can rotate and can not support corresponding traveling axle drive shaft 50 travelling the mode that the axis direction of axle drive shaft 50 slides.
Each auxiliary tank parts 53 possess: supply the opening 53A that the traveling axle drive shaft 50 linked with driven gear 126 interlock passes; And with can the mode of dismounting for the connecting portion 53B being configured in the flange portion 51A bolt link of the end of transmission gearbox side of corresponding driving axle box 51.
By said structure, when safeguarding second driving section 123 etc. of each transmission device 49 being configured in each second space portion 58, by remove each auxiliary tank parts 53 relative to main tank parts 52 bolt link, each auxiliary tank parts 53 are made to be separated to the horizontal foreign side of main tank parts 52 from the left and right sidewall of main tank parts 52, thus can under the state of each recess 52A that the driven wheel 125 of each second driving section 123 and driven gear 126 are stayed main tank parts 52, traveling axle drive shaft 50 and driving axle box 51 are dismantled from main tank parts 52 together with each auxiliary tank parts 53.Thus, can trouble be saved compared with situation about being separated by main tank parts about 52, each second driving section 123 can be made fairly simplely to expose.Its result, can easily carry out maintenances such as the replacings of each maintenance, particularly driven gear 126 of the second driving section 123 grade or the second axle branch (bearing) 121 of auxiliary tank component side or support (bearing) 128.
And, under the state making each second driving section 123 expose, also the driven wheel 125 of each relay axis 119 and each second driving section 123 or driven gear 126 stably can be bearing in the appropriate location in each recess 52A of main tank parts 52 by each first axle branch 120 of main tank component side or each support 127.Thus, carry out travelling axle drive shaft 50 be fitted together to relative to the spline of driven gear 126 and the relay axis 119 that undertaken by the second axle branch 121 or the support 128 of auxiliary tank component side and driven gear 126 supporting etc. while, can easily carry out the assembling operation of each auxiliary tank parts 53 bolt link at the left and right sidewall of main tank parts 52.
In addition, when dismantling each driving axle box 51 from transmission gearbox 43, by removing the bolt link of each driving axle box 51 relative to each auxiliary tank parts 53, make each driving axle box 51 be separated to the horizontal foreign side of auxiliary tank parts 53 from the connecting portion 53B of the auxiliary tank parts 53 of correspondence, thus simply traveling axle drive shaft 50 can be dismantled together with each driving axle box 51 from transmission gearbox 43.On the contrary, when each driving axle box 51 is assembled to transmission gearbox 43, by each traveling axle drive shaft 50 spline being entrenched in corresponding driven gear 126, driving axle box 51 can be made stably to be positioned at appropriate location relative to each auxiliary tank parts 53.Thereby, it is possible to carry out the bolt link of each driving axle box 51 relative to each auxiliary tank parts 53 simply, by this link, the traveling axle drive shaft 50 of correspondence and driven gear 126 can be maintained spline chimerism.
That is, easily carry out each traveling axle drive shaft 50 and respectively drive axle box 51 relative to the dismounting of transmission gearbox 43.Its result, when transport equip 13, by dismantling each traveling axle drive shaft 50 and each driving axle box 51 from transmission gearbox 43, driving device 13 can be made to be in and to eliminate each traveling axle drive shaft 50 and each compact condition of stretching out in the lateral direction driving axle box 51, can become favourable in conveying.In addition, by each traveling axle drive shaft 50 and each axle box 51 that drives are replaced to the different component of length, while using identical driving device 13, the tread width of the crawler belt 7 of the left and right sides can easily be changed according to machine etc.
And then, by symmetrically configuring the transmission device 49 of the left and right sides, each driven wheel 92 that can make to use on each transmission device 49 of the left and right sides, 125, each driven gear 124,126 and relay axis 119 etc. become universal component.Thereby, it is possible to realize the facilitation of component management, and the raising etc. of the assembleability brought owing to making the assembling procedure etc. of each transmission device 49 become identical.
In addition, by playing the transmission device 49 of function as speed reduction gearing in the transmission direction downstream configuration relative to each side clutch brake unit 48, the moment of torsion being applied to each side clutch brake unit 48 can be alleviated, easily can carry out the operation of each side clutch brake unit 48.In addition, this structure is the structure not possessing speed reduction gearing between input shaft 44 and change-speed box 47, and can produce larger moment of torsion at the traveling axle drive shaft 50 of the left and right sides.
It should be noted that, although the diagram of omission, each transmission device 49 can be configured to the driven wheel 125 of the second driving section 123 rotated integrally with corresponding relay axis 119 with can the mode of dismounting is outer is equipped in relay axis 119.In addition, also can be configured to transmission gearbox 43 with left and right towards mode fixed equipment have single relay axis 119, and be equipped with an axle at this relay axis 119 so that the mode that can relatively rotate is outer, be formed with the driven gear 124 of the first driving section 122 and the driven wheel 125 of the second driving section 123 at cylinder axle.
As shown in Fig. 3 ~ 6, Fig. 8 and Figure 14, the driving axle box 51 of the auxiliary tank parts 53 of the left and right sides, the traveling axle drive shaft 50 of the left and right sides and the left and right sides is configured to respectively can the universal component of left and right same shape of left-right universal.Thus, compared with being individually configured to the driving axle box 51 of the auxiliary tank parts 53 of the left and right sides, the traveling axle drive shaft 50 of the left and right sides and the left and right sides to have the situation of the distinctive shape in left and right, the facilitation etc. of component management can be realized, and left and right assembly defect can be prevented.
Then, transmission gearbox 43 dependency structure of driving device 13 is described.
As shown in Fig. 3, Fig. 6, Fig. 8 and Fig. 9, the center side position of the left and right directions second driving section 123 of the left and right sides between of transmission gearbox 43 bottom it, possess make the first driving section 122 of both sides to the left and right, the center side position of this left and right directions close on towards recess 43C, be formed as inverse U-shaped bottom this.In addition, the recessed side of this recess 43C is formed as between the traveling axle drive shaft 50 of the left and right sides of the bottom at transmission gearbox 43, and bridging is to the left and right sidewall of main tank parts 52.Thus, when the operation that mud is dark travels on the ground, that successfully can carry out the mud contacted with transmission gearbox 43 etc. removes mud, can alleviate the resistance to motion acting on transmission gearbox 43.In addition, the reinforcement of the bottom of the transmission gearbox 43 of the traveling axle drive shaft 50 for the supporting left and right sides effectively can be carried out with the appropriate state considering the bearing position travelling axle drive shaft 50.
Then, the transmission dependency structure of driving device 13 is described.
As shown in Fig. 8, Fig. 9 and Figure 15, each relay axis 119 is configured in the position relative to the front upper place travelling axle drive shaft 50 by driving device 13.In addition, side clutch spindle 46 is provided in the position of the back upper place relative to each relay axis 119.Thus, as indicated by the solid line in Figure 15, when the advance that frequency of utilization is high travels, be applied to each relay axis 119 the propulsive effort F1 from side clutch spindle 46 and from the driving counter-force F2 of each traveling axle drive shaft 50 by cancelling out each other vertical component F1a, F2a and reduce, and via the driven gear 124 of each relay axis 119 and each driven wheel 92 of side clutch spindle 46 and each relay axis 119 driven wheel 125 and each travel axle drive shaft 50 driven gear 126 and be distributed to side clutch spindle 46 and respectively travel axle drive shaft 50.On the contrary, as represented by dashed line in fig .15, when the low retrogressing of frequency of utilization travels, be applied to the propulsive effort F1 of each relay axis 119 and drive counter-force F2 by cancelling out each other vertical component F1a, F2a and reduce, and being only applied to each relay axis 119.Its result, with be configured to the propulsive effort F1 when the advance that frequency of utilization is high travels and compare with the situation driving counter-force F2 to be only applied to each relay axis 119, the load be applied in the Ge Zhou branch (bearing) 120,121 of supporting each relay axis 119 can be alleviated, the durability of Ge Zhou branch 120,121 can be improved.
As shown in Fig. 7, Fig. 9 and Figure 15, the driven shaft 45 of change-speed box 47 is provided in the position of the front upper place relative to side clutch spindle 46 by driving device 13.In addition, the input shaft 44 doubling as the axle drive shaft of change-speed box 47 is provided in the position of the back upper place relative to driven shaft 45.Thus, indicated by the solid line in fig .15, when the advance that frequency of utilization is high travels, be applied to the propulsive effort F3 from input shaft 44 of the driven shaft 45 and driving counter-force F4 from side clutch spindle 46 by cancelling out each other vertical component F3a, F4a and reduce, and via each driven gear 61,63,65 of driven shaft 45 and each driven wheel 60,62,64 of input shaft 44; And the output gear 81 of driven shaft 45 and the transmission gear 82 of side clutch spindle 46 are distributed to input shaft 44 and side clutch spindle 46.On the contrary, as represented by dashed line in fig .15, when the low retrogressing of frequency of utilization travels, be applied to the propulsive effort F3 of driven shaft 45 and drive counter-force F4 by cancelling out each other vertical component F3a, F4a and reduce, and being only applied to driven shaft 45.Its result, with be configured to when the advance that frequency of utilization is high travels, propulsive effort F3 compares with the situation driving counter-force F4 to be only applied to driven shaft 45, can alleviate the load of the Ge Zhou branch (bearing) 80 being applied to supporting driven shaft 45, can improve the durability of Ge Zhou branch.
As shown in Fig. 9 and Figure 15, side clutch spindle 46 is configured in than input shaft 44 and each travels axle drive shaft 50 also position rearward by driving device 13.In addition, each relay axis 119 is configured in than driven shaft 45 also position on the front.Thereby, it is possible to the situation suppressing the lower-upper length of driving device 13 elongated, and the spacing that can increase between side clutch spindle 46 and each relay axis 119 and the spacing between each relay axis 119 and each traveling axle drive shaft 50.Its result, the reduction ratio of each driven wheel 92 between side clutch spindle 46 and each relay axis 119 and each driven gear 124 and each relay axis 119 and each reduction ratio travelling each driven wheel 125 between axle drive shaft 50 and each driven gear 126 can be increased, larger moment of torsion can be produced at the traveling axle drive shaft 50 of the left and right sides.
Then, the peripheral structure of the transmission gearbox 43 relevant with driving device 13 is described.
As shown in Fig. 1 ~ 5 and Fig. 9, harvesting feedway 2 is described above, by the swinging operation in front-rear direction of joystick 16, between the non-job position in the front of the job position in the front of covering driving device 13 and open driving device 13, carry out lifting displacement.
Each relay axis 119 of the driven gear 124 possessing large footpath is provided in than input shaft 44, driven shaft 45, side clutch spindle 46 and each travels axle drive shaft 50 also position on the front by transmission gearbox 43, makes the lower side of the configuration corresponding position of each relay axis 119 of the formation of its antetheca forwards bloat thus.Thus, the shape that the upper side being formed as its antetheca rearward offsets than lower side.And, the oil filter 130 filtering oil stored in transmission gearbox and the above-mentioned valve cell 107 turned to controlled from the oil of this oil filter 130 can be equipped with removably in the state that the upper side of its antetheca is arranged side by side with left and right, wherein, valve cell 107 is positioned at the right side forming and take Drive Section side.
The valve cell 107 turned to is equipped with the valve operating axis 131 forwards protruded from the antetheca of clack box 132 in the upper side of valve cell 107.And, at the leading section of the projecting ends of this valve operating axis 131 of formation, the state of stretching out with the right side of taking Drive Section side to formation is equipped with the connecting arm 133 moved with valve operating axis 131 one, and it stretches out side and is connected to joystick 16 via the mechanical type bindiny mechanism 108 turned to.
As mentioned above, HST12 is provided in the top forming and take the right side wall of the transmission gearbox 43 of Drive Section side, and is equipped with variable speed operation axle 40 with the state forwards protruded from the antetheca of change speed gear box 30.And the connecting arm 41 configured at the leading section as projecting ends of variable speed operation axle 40 is connected to main shift lever 17 via the mechanical type bindiny mechanism 42 that main transformer is fast.
The variable speed operation axle 73 of change-speed box 47 runs through the position, top of the oil filter 130 on the antetheca of transmission gearbox 43, and the leading section of the formation projecting ends of variable speed operation axle 73 is positioned at the front of the valve cell 107 turned to.And, at the leading section of this variable speed operation axle 73, the state of stretching out with the right side of taking Drive Section side to formation is equipped with and the connecting arm 77 that moves of variable speed operation axle 73 one, and it stretches out side and is connected to secondary shifter bar 18 via the mechanical type bindiny mechanism 78 of secondary speed change.
The side brake 84 that Parking Brake 112 utilizes the side clutch brake unit 48 being positioned at the right side of taking Drive Section side to possess is formed.And, the brake operating axle 116 that the operating mechanism 113 of Parking Brake is possessed protrudes from the right side wall being positioned at the transmission gearbox 43 taking Drive Section side to forming the right outside side taking Drive Section side, and the connecting arm 117 being provided in the right part forming its projecting ends is connected to brake pedal 19 via the mechanical type bindiny mechanism 114 of Parking Brake.
By said structure, in the replacing of valve cell 107 carrying out oil filter 130 or turn to, or the mechanical type bindiny mechanism 108 turned to, the mechanical type bindiny mechanism 42 of main transformer speed, and when the upkeep operation such as the adjustment of the mechanical type bindiny mechanism 78 of secondary speed change, by harvesting feedway 2 is risen to non-job position, oil filter 130 can be opened, the valve cell 107 turned to, the mechanical type bindiny mechanism 108 turned to, the mechanical type bindiny mechanism 42 of main transformer speed, and the front of the mechanical type bindiny mechanism 78 of secondary speed change, easily above-mentioned upkeep operation can be carried out from their front.
In addition, the mechanical type bindiny mechanism 114 of the mechanical type bindiny mechanism 42 of main transformer speed, the mechanical type bindiny mechanism 78 of secondary speed change, the mechanical type bindiny mechanism 108 turned to and Parking Brake can take between Drive Section 8 and transmission gearbox 43 to do one's utmost to shorten the state configuration of their connecting length separately.And, each variable speed operation axle 40,73 and valve operating axis 131 forwards protrude, easily can carry out from their front thus relative to these operating axis 40,73,131 main transformer speed with mechanical type bindiny mechanism 42, secondary speed change with mechanical type bindiny mechanism 78 or turn to the connecting of mechanical type bindiny mechanism 108.
And, the variable speed operation axle 73 of change-speed box 47 is positioned at the top of oil filter 130, thus can not by oil filter 130 hinder ground carry out simply between secondary shifter bar 18 and the variable speed operation axle 73 of change-speed box 47 via secondary speed change with the connecting of mechanical type bindiny mechanism 78.
And then, the lower side of the transmission gearbox 43 forwards bloated can be passed through, suppress the valve cell 107 that earth etc. is attached to oil filter 130 and turns to.In addition, and oil filter 130 and the valve cell 107 that turns to are provided in compared with the situation of the lower side of transmission gearbox 43, can make to carry out oil filter 130, turn to the replacing etc. of valve cell 107 time work posture be the comfortable posture of not too much like hard work.Its result, can improve oil filter 130 and the maintainability of valve cell 107 that turns to.
As shown in Fig. 1 ~ 5, transmission gearbox 43 also position is rearward possessing each side clutch brake unit 48 than the valve cell 107 turned to.And the cover component 102 of the left and right sides of the case part in the formation left and right sides of covering each side clutch brake unit 48 possesses the connecting portion 102B arranging pipeline of the oil pocket 104 being communicated in each side clutch brake unit 48.Each connecting portion 102B is provided in the oil filter 130 also position on the lower than the cover component 102 of the left and right sides.The sidewall of valve cell 107 on the left of it turned to possesses the connecting portion 107A for arranging pipeline to the side clutch brake unit 48 in left side, and the sidewall of side possesses the connecting portion 107B for arranging pipeline to the side clutch brake unit 48 on right side thereon.And the left side hydraulic pipe 134 of the connecting portion 102B of bridging transmission gearbox side and the connecting portion 107A of valve cell side, with not from the state that the antetheca of valve cell 107 forwards protrudes, is set to the side clutch brake unit 48 in left side by way of the below of oil filter 130.In addition, by the state in the front that the hydraulic pipe 135 on the right side of the connecting portion 102B of bridging transmission gearbox side and the connecting portion 107B of valve cell side protrudes with the antetheca not from valve cell 107, be set to the side clutch brake unit 48 on right side by way of the right side side of valve cell 107.
Thus, in the dark operation of mud operation traveling on the ground etc., each hydraulic pipe 134,135 of side clutch brake unit can be made to be not easy to be subject to the resistance of the mud etc. from operation ground.Its result, can suppress these hydraulic pipes 134,135 by pressings such as mud the possibility occurrence of the unfavorable conditions such as distortion.In addition, the hydraulic pipe 134 in left side can bring the state of obstruction to arrange pipeline can not give the dismounting of oil filter 130, the hydraulic pipe 135 on right side can with can not give by turn to the rear being connected the mechanical type bindiny mechanism 108 bringing the state of obstruction to be arranged on to turn to of the joystick 16 that carries out of mechanical type bindiny mechanism 108 and valve operating axis 131.That is, can not damage each hydraulic pipe 134,135 oil filter 130, the mode of the maintainability of mechanical type bindiny mechanism 108 that turns to being arranged well to side clutch brake unit.
As shown in Fig. 2, Fig. 9 and Figure 16, transmission gearbox 43 is formed with through oil hole 43D at the inside face of the lower side of the antetheca of its main tank parts 52, and described through oil hole 43D by the work of the second Hydraulic Pump 109, can suck the oil being stored in transmission gearbox 43.In addition, the internal oil passages 43E of the oily inflow entrance 130A from through oil hole 43D bridging to oil filter 130 is formed at the antetheca of its main tank parts 52.Thus, such as, the oily conveying end that can take out the oil being stored in transmission gearbox 43 is formed at transmission gearbox 43, with will be arranged on compared with the situation of the outside of transmission gearbox 43 from this oily conveying end bridging to the hydraulic pipe of the oily inflow entrance 130A of oil filter 130, can by deleting that parts number of packages realizes the reduction etc. of time needed for the simplification of install pipeline structure and install pipeline.
Through oil hole 43D and internal oil passages 43E is by the binding face 54A fitted with right case component 55 of left case component 54, block the groove 55B formed at the binding face 55A fitted with left case component 54 of the right case component 55 of transmission gearbox 43, form binding face 54A, 55A of left case component 54 and right case component 55 thus.Thus, the pad 136 of binding face 54A, the 55A being installed in left case component 54 and right case component 55 can be made to be formed as whole the simple shape engaged with the binding face 54A of left case component 54, and without the need to considering the shape being formed in the groove 55B of the binding face 55A of right case component 55.Namely, do not need to have the elongated hole of the groove for the groove and right case member side that are communicated with left case member side that must be configured in pad 136 in a case where, described situation is: such as by being recessed into the groove of formation at the binding face 54A of left case component 54 and this two place of binding face 55A of right case component 55, with cross over left case component 54 and right case component 55 the state of binding face 54A, 55A, form through oil hole 43D and internal oil passages 43E.Its result, easily can guarantee the leak tightness of pad 136 for binding face 54A, 55A of left case component 54 and right case component 55 and the intensity of pad 136.
First spatial portion 56 of through oil hole 43D between the transmission device 49 of the left and right sides, between the driven gear 126 being formed at the minimum left and right sides of rotating speed.Namely, the driven gear 126 of the left and right sides is minimum at the first spatial portion 56 medium speed, therefore along with rotation when driving them, the bubble that produces also reduces, and, through oil hole 43D is formed, therefore, it is possible to the generation of the unfavorable condition effectively suppressing the bubble that produces along with the rotation of each driven gear 126 to be inhaled into from through oil hole 43D together with oil between the driven gear 126 of the left and right sides from these driven gear 126 positions farthest.
As shown in Fig. 3 and Fig. 9, transmission gearbox 43 utilizes the structure that side direction front, its underpart is bloated, and is formed accepts oil and the oil-deflecting element 43F guided to the left side wall of transmission gearbox 43 in the lower portion of the oil filter 130 of its antetheca.Thus, when dismantling oil filter 130, the left side wall from oil spills such as the internal oil passages 43E of the oily inflow entrance 130A of oil filter 130, transmission gearbox 43 along transmission gearbox 43 can be made to flow down.Thus, compared with situation about flowing down throughout the antetheca, left and right sidewall etc. of transmission gearbox 43 with this oil spill, the cleaning operation after replacing carrying out oil filter 130 etc. can be made to become easy on a large scale.
As shown in Fig. 2, Fig. 3, Fig. 5 ~ 7 and Figure 10, transmission gearbox 43 possesses the oil circuit 137 using being supplied to the lubrication of driven shaft 45 and each driven gear 61,63,65 that rotate relative to driven shaft 45 from the oil turning back to the inside of transmission gearbox 43 as the valve cell 107 turned to of hydraulic efficiency equipment.The oil circuit 137 of lubrication comprises: from valve cell 107 bridging turned to the hydraulic pipe 138 of transmission gearbox 43, and be formed in the internal oil passages 45C etc. of driven shaft 45.Thus, even if such as owing to having neglected the supply of the oil to transmission gearbox 43, when causing the electrolyte level of the oil being stored in transmission gearbox 43 to become lower than the lower end of each driven gear 61,63,65, also the oil of the in the future valve cell 107 of low damage can be supplied to each driven gear 61,63,65, the hot sticky of each driven gear 61,63,65 and driven shaft 45 can be prevented.
It should be noted that, the oil from hydraulic efficiency equipments such as the valve cell be elevated or HST also can be configured to be supplied to driven shaft 45 and each driven gear 61,63,65 via the oil circuit 45C etc. lubricated.
As shown in Fig. 4, Fig. 6, Fig. 7 and Fig. 9, the auxiliary space portion 57 being configured in its upper back is formed as by transmission gearbox 43 can the shape of auxiliary drive gear (not shown) of built-in apparatus for work.And, in the assigned position of the left side wall of the side contrary with the right side wall possessing the 3rd opening 43G that it inputs, be formed with the 4th opening 43H of the auxiliary power that can export from auxiliary drive gear, and so that the mode of dismounting the lid component 139 blocking the 4th opening 43H can be equipped with.Thus, when such as this driving device 13 is applied to adopt export from the 4th opening 43H of transmission gearbox 43 from the power of input shaft 44 branch of driving device 13 and be delivered to half feed type combine harvester of the structure of the harvesting feedway of the example as apparatus for work, by auxiliary drive gear for harvesting feedway distribute built-in in auxiliary space portion 57, simply type of drive can be changed to the drive mechanism of applicable half feed type combine harvester etc.That is, the driving device 13 that the commonality of half feed type combine harvester etc. is high can be also applicable to.And, when being applicable to half feed type combine harvester etc., the transmission of power that exported by the 4th opening 43H from transmission gearbox 43 easily can being avoided to the operation driving system of apparatus for work and form Gan Wataru the HST12 of driving device 13 input power system etc.In addition, as mentioned above, the length of stretching out to the left of the input shaft 44 of change-speed box 47 is shorter than driven shaft 45, narrow to the right at the left and right width on the top of driving device 13, thus, the configuration space of operation driving system easily can be guaranteed in the upper left quarter side of driving device 13, wherein, by by from be formed in transmission gearbox 43 left side wall upper side the 4th opening 43H export transmission of power to apparatus for work, the configuration space of described operation driving system is configured in the upper left quarter side of space driving device 13 usually.Its result, can promote that driving device 13 is for the application etc. of half feed type combine harvester.
As shown in Fig. 1 and Fig. 3 ~ 5, HST12 on the top of its box main body 35 so that mode oil filter 140 can be equipped with removably.And, when harvesting feedway 2 is risen to non-job position, the front of oil filter 140 can be opened, thereby, it is possible to easily carry out the upkeep operation to oil filter 140 such as replacing of oil filter 140 from its front.
The driving device of the working rig that the first embodiment described above relates to goes for the reapers such as such as ordinary combine harvester, half feed type combine harvester, carrot reaper, corn picker, transport trolley, trac. etc.
[the second embodiment]
Below, with reference to Figure 17 ~ 22, be described for the situation that the second embodiment of the present invention is useful in as the ordinary combine harvester of reaper.
(integral structure)
As shown in Figure 17 and Figure 18, combination machine is configured to be possessed: the self-propelled travel machine body 201 possessing pair of right and left crawler type running device 202; The reaping part 203 of the front portion of travel machine body 201 is bearing in the mode that can swing up and down; The sheller unit 204 of harvested cereal culm threshing process will be received; Store by the paddy case 205 of the grain of threshing process; And be connected to the rear lower of paddy case 205, the unloader 206 etc. be discharged to the outside by the grain being stored in paddy case 205.
Reaping part 203 possesses: reel 207, harrows into body side by vertical paddy stalk; Reaping apparatus 208, cuts off the strain root of vertical paddy stalk and gathers in vertical paddy stalk; Conveyor screw 209, carries receipts harvested cereal culm cross-feed and assembles, and sends into rear; And feeder 210, by send into from conveyor screw 209 the sheller unit 204 of receipts harvested cereal culm above body rear entrance conveying.Receive harvested cereal culm and carry out threshing sorting by sheller unit 204, the grain of threshing is transported to paddy case 205 and stores.The grain stored is discharged to the outside by unloader 206.
As shown in figure 18, Drive Section 211 is configured in the horizontal side (right side) of the front portion of travel machine body 201.Sheller unit 204 is configured in the side contrary with Drive Section 211 at the rear portion of travel machine body 201, and paddy case 205 is configured in and Drive Section 211 same side, and sheller unit 204 and paddy case about 205 are side by side.The fore-end of sheller unit 204 is overlapping with the rear portion of Drive Section 211 in the longitudinal direction.
It should be noted that, in this embodiment, define body transverse width direction towards (right side or left side) time, be defined as corresponding with body direct of travel view towards.Therefore, exist and the situation different towards (right side or left side) on accompanying drawing.
As shown in Figure 17 and Figure 18, possess driving engine 212 in the bottom of Drive Section 211, possess change-speed box 213 in the front of driving engine 212.As shown in figure 19, by the main transformer speed variator 214 be made up of hydrostatic continuously variable unit (HST) and be built-in with secondary speed-changing device 215, the change speed gear box 216 of other speed reduction gearings links to form change-speed box 213.
Power from driving engine 212 is passing through main transformer speed variator 214 just against stepless change, and then by the secondary speed-changing device 215 that is built in change speed gear box 216 by after speed change, via the mobile devices 202 being arranged on the steering gear 219 in transmission downstream of secondary speed-changing device 215, intermediate gear mechanism 220 and pair of right and left axletree 221 and being delivered to the left and right sides.
In addition, the power of driving engine 212 is communicated with via the threshing clutch lever 222 being configured in Drive Section 211 can be utilized freely to carry out/and the threshing power-transfer clutch 223 of rupturing operation is delivered to sheller unit 204, and then the power being delivered to sheller unit 204 is communicated with via the harvesting clutch lever 224 being configured in Drive Section 211 can be utilized freely to carry out/the harvesting power-transfer clutch 225 of rupturing operation is delivered to reaping part 203.
(main transformer speed variator)
As shown in figure 20, main transformer speed variator 214 entirety is covered by main-gear box 226, and be arranged on the outside of right side (being left side in the accompanying drawing) upper side of change speed gear box 216, this main-gear box 226 and change speed gear box 216 flange link.That is, main-gear box 226 and change speed gear box 216 use bolt link multiple position and be connected under the state of being docked each other by the joint face of longitudinal posture.
In main transformer speed variator 214, the transmission of power of driving engine 212 is to input shaft 228.And, there is the output shaft 229 inserted through the right sidewall 216A of the end side sidewall as change speed gear box 216 from case outward side to case inward side, the power from driving engine 212 is just exported from output shaft 22 against stepless change.
If be illustrated, then as shown in Figure 20 and Figure 21, the position that main-gear box 226 and the mutual flange of change speed gear box 216 link, namely, at the sidewall 216A on the sidewall 226A in the left side of the end side as main-gear box 226 and the right side of change speed gear box 216, be formed inserted through hole 230,231 separately, the output shaft 229 of main transformer speed variator 214 be passed in main-gear box 226 and each self-forming of change speed gear box 216 inserted through hole 230,231, extended to the inside of change speed gear box 216 from the inside of main-gear box 226.
And, be respectively formed at the connecting portion inserted through two casees 226,216 in hole 230,231 of main-gear box 226 and change speed gear box 216, be formed with embeded slot M1, M2 of concentric circles, and with the state of the embeded slot M2 of the embeded slot M1 and change speed gear box 216 that are entrenched in main-gear box 226 respectively, possess the washer member 280 of axes alignment.By this washer member 280, the axes alignment inserted through hole 230,231 of two casees can be carried out, support output shaft 229 accurately.
As mentioned above, output shaft 229 is by being configured in the bearing 232 inserted through hole 230, the sidewall 216A on right side is bearing in the mode of freely rotating, the described sidewall 216A being formed in the right side of change speed gear box 216 inserted through hole 230, and then output shaft 229 is through extended to the sidewall 216B of arrival as the left side of another side in change speed gear box 216.
And then output shaft 229 is bearing in the bearing 233 propping up component as axle be configured at inserted through hole 231 in the mode of freely rotating, the described sidewall 216B being formed in left side inserted through hole 231, and output shaft 229 is exposed to the state configuration outside case with shaft end 229a.Therefore, output shaft 229 is bearing in the sidewall 216A on right side and the sidewall 216B in left side via bearing 232,233 respectively in the mode of freely rotating.
And, output shaft 229 is configured to possess along axis direction separated and that be connected in the mode integrally rotated freely pair of separated transmission shaft 229A, 229B, pair of separated transmission shaft 229A, 229B is arranged on so that the mode integrally rotated freely is outer respectively from output shaft 229 to the output gear 234 of secondary speed-changing device 215 transferring power, pair of separated transmission shaft 229A, 229B is connected by output gear 234.
That is, output shaft 229 is configured to possess: from the inside of main transformer speed variator 214, extended first is separated transmission shaft 229A; And be positioned to butt up against this first state being separated the axle head of transmission shaft 229A the second separation transmission shaft 229B that same axle center also extends.And, be separated transmission shaft 229A and second separation transmission shaft 229B peripheral part separately first and be formed with spline part 235,236, bridging first is separated the respective spline part 235,236 that transmission shaft 229A and second is separated transmission shaft 229B, to be embedded with output gear 234 outside engagement.
In addition, second end being positioned at the first separation transmission shaft 229A side being separated transmission shaft 229B is engaged in output gear 234, the other end with inserted through be formed in change speed gear box 216 left side sidewall 216B inserted through hole 231 and its shaft end 229a is exposed to the state of the foreign side (outside) of change speed gear box 216, via the bearing 233 propping up component as axle, be bearing in the sidewall 216B in left side in the mode rotated freely.
As mentioned above, the shaft end 229a of output shaft 229 is exposed to the outside of change speed gear box 216, therefore when main shift lever 237 is operated center position, when the mode becoming neutral condition (output shaft 229 rotates halted state) with main transformer speed variator 214 adjusts the mechanical type bindiny mechanism between main shift lever 237, while be confirmed whether to be in neutral condition while carry out adjustment operation by visual, can carry out correct adjustment operation.
As shown in figure 21, output gear 234 is possessed with the state of the end being positioned at main transformer speed variator 214 side of output shaft 229, at the position of the side contrary with main transformer speed variator 214 of output shaft 229, extrapolation has the packing ring 238 for output gear 234 to be carried out position maintenance with the state of the end being positioned at main transformer speed variator 214 side.
Therefore, the output shaft 229 of main transformer speed variator 214 is configured to pass through the sidewall 216B inserted through left side in change speed gear box 216, shaft end 229a is exposed to outside case, and, be bearing in the sidewall 216A on right side and the sidewall 216B in left side via bearing 232,233 respectively in the mode of freely rotating.
(secondary speed-changing device)
Secondary speed-changing device 215 is delivered to the transmission system of the gear type of mobile devices 202 from the power of output shaft 229 according to operating condition height 2 grades of speed changes by transmitting, and possesses the speed change input shaft 239 of input side and the speed change output shaft 240 of outgoing side at this secondary speed-changing device 215.
As shown in Figure 20 and Figure 21, speed change input shaft 239 is to be rotatably supported in change speed gear box 216 along the state of cross-car Width (the accompanying drawing left and right directions of Figure 21).And, at this speed change input shaft 239, with the state rotated integrally and with the state of movement of can not sliding, possess the input gear 241 be engaged and linked with the output gear 234 being configured in output shaft 229.In addition, at speed change input shaft 239, with relative to rotating freely and the state of movement of can not sliding, possess low speed rotation driven wheel (hereinafter also referred to as low-speed drive gear) 242 and high-speed drive driven wheel (also referred to as high-speed drive gear) 243 respectively.
Speed change output shaft 240 is with the posture parallel with speed change input shaft 239 and to be rotatably supported in change speed gear box 216 along the state of cross-car Width.And, at this speed change output shaft 240, with the state rotated integrally and with mobile status of can not sliding, possesses low speed rotation driven gear respectively (following, also referred to as low speed driven gear) 244, high-speed drive is with driven gear (hereinafter also referred to as high speed driven gear) 245 and drive with gear 246.
Set the position of cross-car Width in the mode making low-speed drive gear 242 and low speed driven gear 244 engage all the time, set the position of cross-car Width in the mode making high-speed drive gear 243 and high speed driven gear 245 engage all the time.
In speed change with between the low-speed drive gear 242 of input shaft 239 and high-speed drive gear 243, to rotate integrally freely and the state spline of movement of can sliding is chimeric shift member 247.This shift member 247 moves at left and right directions, can freely be switched to: the low-speed position P1 engaged with the spline part 248 being formed in low-speed drive gear 242, the high speed position P3 engaged with the spline part 249 being formed in high-speed drive gear 243, not with any one center position P2 engaged of low-speed drive gear 242 and high-speed drive gear 243.
The shift fork 250 of slide shift member 247 is with the posture parallel with speed change input shaft 239 and supported movably to be free to slide along the state of left and right directions, this shift fork 250 freely can switch to above-mentioned 3 positions (low-speed position P1, high speed position P3, center position P2), and can in the free holding position of each position.
That is, as shown in Figure 21 and Figure 22, possess: three all grooves 253 being formed in the peripheral part of shaft component; Remain on the ball maintaining part 250b of shift fork 250 and freely can enter the ball 254 being sticked in all grooves 253; And ball 254 is carried out the spring 255 pressing force on the direction entering all grooves 253.
In addition, as shown in figure 21, along with the operation of secondary shifter bar 256 being configured in Drive Section 211, when such as operating swing arm 258 via the interlock operating mechanism 257 be made up of connecting rod mechanism etc., the locking tool 260 that the motion arm 259 then swung with this swing arm 258 one possesses is in the state being fastened on the engagement groove 261 being formed at shift fork 250, along with the swing of swing arm 258, shift fork 250 slides mobile along the axis direction of shaft component 251.
Shift fork 250 is entered by ball 254 and is fastened on arbitrary all grooves 253 and is kept position.If shift fork 250 movement of sliding along with the operation of secondary shifter bar 256, then ball 254 is with sliding the mobile and protuberance crossed between all grooves 253 and all grooves 253 and be positioned at other all grooves 253, thereby, it is possible to shift fork 250 is remained on this position after changing to desired position.
As shown in figure 22, shift fork 250 is fastened on two positions be positioned at diametrically of all grooves 262 of engaging of shift member 247.In addition, the state configuration in the space the driving gear 246 possessed with the shift member 247 possessed through speed change input shaft 239 and speed change output shaft 240.
And this shift fork 250 is to be formed at the snap action portion 250c of body side apparent time in roughly C shape from the extended state of sliding supporting part 250a one.This snap action portion 250c enters all grooves 262 of engaging being sticked in the peripheral part being formed in shift member 247, and shift member 247 is slided on axis direction along with slide.
Snap action portion 250c is configured to two positions be positioned at diametrically that a pair top ends is fastened on all grooves 262 of engaging of shift member 247, by carrying out pressing operation to these two positions at axis direction, shift member 247 is slided.By carrying out pressing operation to engaging with two positions be positioned at diametrically of all grooves 262 as described above, shift member 247 can be made successfully to carry out slide with the state that distortion is less likely to occur.
As shown in figure 21, in speed change with in input shaft 239, possessing high-speed drive gear 243 near input gear 241 side, possessing low-speed drive gear 242 away from input gear 241 side.In addition, to possess high-speed drive gear 243 along the state that axis direction is spaced apart between input gear 241.That is, between high-speed drive gear 243 and input gear 241, the packing ring 281 for maintaining interval is equipped with, to make both distance maintaining in setting value.
In addition, to possess low-speed drive gear 242 along the mode that axis direction is spaced apart between bearing 233, described bearing 233 is for being rotatably supported in the sidewall 216B in the left side of change speed gear box 216 by speed change input shaft 239.That is, between low-speed drive gear 242 and bearing 233, the packing ring 282 for maintaining interval is possessed, to make both distance maintaining in setting value.
By above structure, the power being input to speed change input shaft 239 by main transformer speed variator 214 speed change can be switched to height two-stage via shift member 247 by the movement of shift member 247 by secondary speed-changing device 215.It should be noted that, if shift member 247 is positioned at center position P2, become the neutral condition of the transmission having broken off power.If secondary speed-changing device 215 is operated higher speed gear state, then can carry out the harvesting at a high speed, if operation is to low speed speed change state, then can carry out the harvesting under low speed.That is, by carrying out variable speed operation to secondary speed-changing device 215, can be the speed corresponding with operating condition by moving velocity speed change.
In addition, when not carrying out harvesting and travel on ridge, road, can to use fast speeds than operation.Namely, possess and pin down mechanism (not shown), when gathering in clutch lever 224 and operating power-transfer clutch connection position to carry out harvesting, then the situation that the main shift lever 237 of variable speed operation main transformer speed variator 214 operates the high-speed region of more than setting value is created a diversion, when gathering in clutch lever 224 and operating power-transfer clutch off-position, then remove and pin down, allow main shift lever 237 to operate the high-speed region of more than setting value.
That is, in harvesting, by pining down work by what pin down that mechanism carries out, main shift lever 237 can not be operated into the high-speed region of more than setting value, and can carry out variable speed operation at the operating area of the low speed lower than setting value.In this condition, when the secondary shifter bar 256 of operation, when secondary speed-changing device 215 is operated higher speed gear state, then the harvesting of high-speed side can be carried out, when operation is to low speed speed change state, then the harvesting of low speed side can be carried out.When on the way travelling, main shift lever 237 can be operated into the high-speed region of more than setting value, can to carry out moving traveling than the fast speed of operation.
(steering gear)
Steering gear 219 is described.
As shown in Figure 19 and Figure 20, steering gear 219 possesses: the side clutch spindle 263 being bearing in change speed gear box 216 with the posture parallel with speed change output shaft 240; Sun gear 264 near the central authorities being fixed on side clutch spindle 263 in the mode rotated integrally; In the left and right sides of sun gear 264 relatively to rotate freedom and to insert in the clutch sleeve 265 of the left and right sides of side clutch spindle 263 outside the mode of slip freedom of movement; The friction disc 266 of Braking is pressed to make by moving of clutch sleeve 265; And make the clutch sleeve 265 of the left and right sides move to the shift member 267 of friction disc 266 side respectively or simultaneously.Sun gear 264 is engaged and linked with the driving gear 246 of secondary speed-changing device 215, transmits the power after speed change.Therefore, sun gear 264 is equivalent to downstream transmission gear.
In clutch sleeve 265, the both sides of side (center side of the left and right directions of change speed gear box 216) and sun gear 264 form engaging piece 268, by the engaging piece 268 of both sides, form so-called claw clutch.In addition, the side gear 270 engaged all the time with the aftermentioned intermediate gear 272 of intermediate gear mechanism 220 is possessed at the clutch sleeve 265 of the left and right sides.By making the engaging piece 268 of clutch sleeve 265 engage at the engaging piece 268 of sun gear 264, become " power-transfer clutch connected state (drive state) ", clutch sleeve 265 and sun gear 264 rotate integrally, and the power being carried out speed change by main transformer speed variator 214 and secondary speed-changing device 215 is delivered to mobile devices 202 via intermediate gear mechanism 220.
On the other hand, clutch sleeve 265 slides mobile to the direction away from sun gear 264, removes the engagement of sun gear 264 and clutch sleeve 265, thus becomes " power-transfer clutch dissengaged positions (blocking state) ", thus, the transmission of power to mobile devices 202 is cut off.And then if clutch sleeve 265 presses friction disc 266, then give braking force to clutch sleeve 265, mobile devices 202 are braked.
Therefore, mobile by making arbitrary clutch sleeve 265 of the left and right sides carry out slip, car body can be made to turn round, if make the clutch sleeve 265 of the left and right sides slide movement simultaneously, then traveling can be made to stop.
(intermediate gear mechanism)
As shown in Figure 19 and Figure 20, intermediate gear mechanism 220 possesses: the tween drive shaft 271 being bearing in change speed gear box 216 with the posture parallel with side clutch spindle 263; And with relative to rotating freely and being inserted in the intermediate gear 272 of the left and right sides of tween drive shaft 271 outside the mode of movement of can not sliding.The intermediate gear 272 of the left and right sides possesses: the large diameter gear portion 272A engaged all the time respectively with the side gear 270 of the left and right sides; And the small-diameter gear portion 272B to engage with the final gear 276 being configured in axletree 221.The power come from steering gear 219 transmission is delivered to the mobile devices 202 of the left and right sides via the intermediate gear 272 of the left and right sides.
(for axletree)
As shown in Figure 19 and Figure 20, possess pair of right and left axletree 221 with the state in the axle box 273 inserted through the left and right sides from the securing elongated setting of change speed gear box 216, described pair of right and left axletree 221 will be carried out the mobile devices 202 of transmission of power to the left and right sides of speed change by main transformer speed variator 214 and secondary speed-changing device 215.
And, as shown in figure 20, pair of right and left axletree 221 possesses the power transfering part 221A of path respectively in the end of body transverse width direction inward side, the horizontal expansion setting unit 221B in large footpath is possessed in body transverse width direction outward side, and the connecting portion 221C between power transfering part 221A and horizontal expansion setting unit 221B is formed as becoming large gradually wide shape from power transfering part 221A gradually towards body transverse width direction outward side diameter.
The peripheral part of power transfering part 221A is formed with spline part 274, is provided with the final gear 276 being engaged on the small-diameter gear 272B rotated integrally with intermediate gear 272 this spline part 274 is outer.In addition, horizontal expansion setting unit 221B is set to major diameter to improve bearing strength, and gap between the inner peripheral surface of axle box 273 is narrower.
And, connecting portion 221C between power transfering part 221A and horizontal expansion setting unit 221B is formed as gradually wide shape, therefore the bearing of recycle oil via bearing axle 221 of change speed gear box 216 inside is stored in, the gap between the inner peripheral surface easily flowing to horizontal expansion setting unit 221B and axle box 273 from the wider space between power transfering part 221A and axle box 273 through the gap of gradually wide shape.
(other embodiments of the second embodiment)
(1) output shaft 229 of main transformer speed variator 214 also can be the structure be integrally formed throughout the total length of axis direction.
(2) configuration structure being configured in the input gear 241 of speed change input shaft 239, high-speed drive gear 243 and low-speed drive gear 242 is not limited to the structure of above-mentioned embodiment, such as, also can be possessing low-speed drive gear 242 near input gear 241 side, possessing the structure of high-speed drive gear 243 away from input gear 241 side.In addition, therewith matchingly, the configuration structure of high speed driven gear 245, low speed driven gear 244 and driving gear 246 that speed change output shaft 240 possesses also can carry out suitably changing implementing equally.
(3) secondary speed-changing device 215 also can be do not possess shift member 247, at speed change input shaft 239 can rotate integrally and possess high-speed drive gear 243 and low-speed drive gear 242 along the mode that axis direction is integrally free to slide, carry out the structure of speed change by making these gears slip.In this case, speed change output shaft 240 with can rotate integrally and can not along axis direction slide mode possess high speed driven gear 245 and low speed driven gear 244.
(4) secondary speed-changing device 215 also can be do not possess shift member 247, and at speed change output shaft 240 can rotate integrally and possess high speed driven gear 245 and low speed driven gear 244 along the mode that axis direction is free to slide, make these gears slip and carry out the structure of speed change.In this case, speed change input shaft 239 with can rotate integrally and can not along axis direction slide mode possess high-speed drive gear 243 and low-speed drive gear.
(5) in the above-described embodiment, in the joint face of main-gear box 226 and the joint face of change speed gear box 216 output shaft 229 inserted through position, possess the washer member 280 of axes alignment, but also can be configured to do not possess this washer member 280.
(6) in the above-described embodiment, although the connecting portion 221C shown between the power transfering part 221A of the path of the axletree 221 and horizontal expansion setting unit 221B in large footpath is formed as the structure of gradually wide shape, also can replaces this structure and be configured to form stair-stepping stage portion.
(7) in the above-described embodiment, employ hydrostatic continuously variable unit as main transformer speed variator 214, but the present invention is not limited to this.Main transformer speed variator 214 also can be continuous variable hydromechanical change-speed box (HMT), other CVT.
(8) in the above-described embodiment, as reaper, although show medium-sized combination machine, also can be the combination machine of half feed type, can also be the reaper of other kinds such as corn picker.
[the 3rd embodiment]
Below, with reference to Figure 23 ~ Figure 30, the 3rd embodiment of the present invention is described.In the following description, with reference to the combination machine as the full feed type of of detailed description of the invention.
(for integral structure)
As shown in figure 23, combination machine possesses: self-propelled travel machine body 301; The crawler type running device 302 from walking can be carried out; The reaping part 303 of the front portion of travel machine body 301 is bearing in the mode that can swing; Sheller unit 304; With the sheller unit 304 laterally adjacent paddy case 305 configured; And be connected to the unloader 306 of rear lower of paddy case 305.
Possess at reaping part 303: reel 303A, shoutoff mechanism 303B, conveyor screw 303C and feeder 303D.Vertical paddy stalk by reel 303A harrow into, and to gather in shoutoff mechanism 303B.By conveyor screw 303C, receipts harvested cereal culm gathered the front of feeder 303D and harrows into feeder 303D, and being transported to sheller unit 304 by feeder 303D.To receive harvested cereal culm threshing sorting by sheller unit 304, the grain of threshing is transferred and is stored into paddy case 305.The grain stored is discharged to the outside by unloader 306.
As shown in figure 24, Drive Section 307 is configured in the side (right side) of the front portion of travel machine body 301.Sheller unit 304 is configured in the side contrary with Drive Section 307 at the rear portion of travel machine body 301, and paddy case 305 is configured in and Drive Section 307 same side, and sheller unit 304 and paddy case about 305 are side by side.The fore-end of sheller unit 304 is overlapping with the rear portion of Drive Section 307 in the longitudinal direction.
As shown in Figure 23, Figure 24, possess driving engine 308 in the bottom of Drive Section 307, possess change-speed box 309 in the front of driving engine 308.As shown in figure 25, using the hydrostatic continuously variable unit 309A (hereinafter also referred to as " HST309A ") as main transformer speed variator of the present invention and be built-in with secondary speed-changing device 309C or other speed reduction gearings change speed gear box 309B link to form change-speed box 309.Propulsive effort from driving engine 308 inputs HST309A from HST input shaft 311, by HST309A just against stepless change.Output to change speed gear box 309B by the propulsive effort of HST309A speed change from HST output shaft 312, by secondary speed-changing device 309C speed change, be finally delivered to the drive sprocket 302A (with reference to Figure 23) of the left and right sides respectively.By the driving of the sprocket wheel of the left and right sides, drive the mobile devices 302 of the left and right sides.
It should be noted that, from driving engine 308 propulsive effort by from transmission be passed to reaping part 303 and sheller unit 304 to other paths that the bang path of HST input shaft 311 is different.
(for secondary speed-changing device)
As shown in figure 25, secondary speed-changing device 309C is the transmission system of two-stage suitching type and gear type.Secondary speed-changing device 309C possesses: secondary transmission input shaft 313; Secondary speed change output shaft 316; Form the small-diameter gear 314 of " gear row " of the present invention, large diameter gear 315, large footpath fixed gear wheel 317, path fixed gear wheel 318 and shift member 319.
Secondary transmission input shaft 313 and secondary speed change output shaft 316 with along left and right directions state and with the state support rotated freely at change speed gear box 309B.Small-diameter gear 314 and large diameter gear 315 are with relative to rotating freely and being inserted in secondary transmission input shaft 313 outside the state of movement of can not sliding.Large footpath fixed gear wheel 317 and path fixed gear wheel 318 with can not relative to rotate and the state of movement of can not sliding fitted in secondary speed change output shaft 316.In addition, small-diameter gear 314 and large footpath fixed gear wheel 317 carry out the location of left and right directions in the mode engaged all the time, large diameter gear 315 and path fixed gear wheel 318 carry out the location of left and right directions in the mode engaged all the time.
Between small-diameter gear 314 and large diameter gear 315, shift member 319 with can not relative to rotate and the state of movement of can sliding outer (such as, spline be fitted together to) at secondary transmission input shaft 313.Shift member 319 can move at left and right directions, freely switches to the state be engaged with the inner-diameter portion whose of small-diameter gear 314 or the state be engaged with the inner-diameter portion whose of large diameter gear 315 or any one state be not engaged with small-diameter gear 314 and large diameter gear 315.
By above structure, secondary speed-changing device 309C switched to by moving of shift member 319 by by HST309A speed change and the propulsive effort being input to secondary transmission input shaft 313 to be delivered to the state (" low speed speed change state " of the present invention) of the combination of small-diameter gear 314 and large footpath fixed gear wheel 317 via shift member 319 or to be delivered to the state (" higher speed gear state " of the present invention) of combination of large diameter gear 315 and path fixed gear wheel 318, two-stage switching can be carried out to above-mentioned propulsive effort.It should be noted that, under any one state be not engaged of shift member 319 and small-diameter gear 314 and large diameter gear 315, become the transmission of propulsive effort by " neutral condition " broken off.
As mentioned above, moving velocity is presented as: select higher speed gear state or low speed speed change state to carry out large change (the large change of reduction ratio) to velocity band by the variable speed operation of secondary speed-changing device 309C, carry out speed adjustment by the variable speed operation of HST309A in each velocity band.Therefore, if secondary speed-changing device 309C is operated higher speed gear state, then harvesting can be carried out at high speeds, if operation is to low speed speed change state, then harvesting can be carried out under the low speed.That is, by carrying out variable speed operation to secondary speed-changing device 309C, can by moving velocity effectively speed change be the speed corresponding with operating condition.
(for Drive Section)
As shown in Figure 23, Figure 24, Drive Section 307 possesses: driver seat 323; Be positioned at the front panel 321 in the front of driver seat 323; And be positioned at the left side side of driver seat 323, from the side panel 322 that the left-hand end of front panel 321 rearward extends.
As shown in Figure 23, Figure 24, at front panel 321, possess successively inside body from the right outside side of body: reel lifting bar 334, deflecting bar 331, gauge panel 332 and water thermometer 333.If by deflecting bar 331 swinging operation to the left and right, travel machine body 301 is turned round to the left and right, if swinging operation forwards, backwards, reaping part 303 swings up and down.If by reel lifting bar 334 swinging operation forwards, backwards, then reel 303A swings up and down.
As shown in figure 26, water thermometer 333, representing that the region of water temperature possesses temperature mark part 333a, represents water temperature by the position of the pin 333c indication relative to temperature mark part 333a.In addition, if water temperature reaches allow ceiling temperature (such as, 115 DEG C), then not shown annunciator gives the alarm sound.And then, carried out giving the component for alarm as reach permission ceiling temperature in water temperature before, be provided with alarm banner portion 333b in the mode adjacent with the high temperature side end of temperature mark part 333a.The most end position of alarm banner portion 333b is set to allow ceiling temperature, is pointed to the region of alarm banner portion 333b by pin 333c, visually can inform water temperature close to allowing ceiling temperature.
(about each operating parts)
As shown in Figure 24, Figure 26, possess at side panel 322: bar guide groove 324, bar guide groove 325, bar guide groove 326 and bar guide groove 327.Bar guide groove 324 is to be positioned at state near left and right directions central authorities and with the front portion being formed in side panel 322 along the state of roughly fore-and-aft direction.Bar guide groove 325 be positioned at the right horizontal adjoining position of bar guide groove 324 state and with the front portion being formed in side panel 322 along the state of fore-and-aft direction.Bar guide groove 326 be positioned at the rear of bar guide groove 325 state and with the fore-and-aft direction central portion being formed in side panel 322 along the state of fore-and-aft direction.Bar guide groove 327 be positioned at the rear of bar guide groove 324 state and with the state of the left horizontal adjoining position being positioned at bar guide groove 326 and with the fore-and-aft direction central portion being formed in side panel 322 along the state of fore-and-aft direction.
At bar guide groove 324, the main shift lever 341 as " main transformer speed operating parts " of the present invention can be inserted through to swing.By the operation of main shift lever 341, the not shown balance shaft of HST309A is by rotating operation, and not shown swash plate angle is changed.That is, by the operation of main shift lever 341, variable speed operation can be carried out to HST309A.As shown in figure 26, be formed at bar guide groove 324: along the advance side courses of action 324a of fore-and-aft direction; At the rear side of advance side courses of action 324a, be in relative to advance side courses of action 324a in the lateral direction leftward position skew state and be in the retrogressing side courses of action 324c of the state along fore-and-aft direction; And the neutral path 324b (" center position " of the present invention) of the state along left and right directions is set to the rear end connecting advance side courses of action 324a and the mode of the front end retreating side courses of action 324c.At advance side courses of action 324a, more by main shift lever 341 side operations forward, then speed of advance more rises, and at retrogressing side courses of action 324c, more by main shift lever 341 side operations backward, then astern speed more rises.If main shift lever 341 is operated neutral path 324b, then speed becomes " 0 ".
At bar guide groove 325, the secondary shifter bar 342 as " secondary variable speed operation part " of the present invention can be inserted through to swing.By the operation of secondary shifter bar 342, operate above-mentioned shift member 319.That is, can by secondary speed-changing device 309C blocked operation to low speed speed change state, neutral condition and higher speed gear state.
At bar guide groove 326, the harvesting clutch lever 343 as " clutch operating part " of the present invention and " clutch lever " can be inserted through to swing.By gathering in the operation of clutch lever 343, can using as harvesting power-transfer clutch 310A (with reference to Figure 25) blocked operation of " operation power-transfer clutch " of the present invention to connected state and dissengaged positions.If harvesting power-transfer clutch 310A becomes connected state, then the propulsive effort of driving engine 308 is delivered to reaping part 303.Harvesting clutch lever 343 can around the swinging center X swing being positioned at bottom.And, be set with " power-transfer clutch off-position ((a) with reference to Figure 27) " in the rear end side of bar guide groove 326, and be set with in the front of bar guide groove 326 " power-transfer clutch is communicated with position ((b) with reference to Figure 27) ".
It should be noted that, harvesting clutch lever 343 is when operating power-transfer clutch and being communicated with position, by being connected to the leading section 326a of bar guide groove 326, restriction moves to front side further, namely limits and moves to the side contrary with power-transfer clutch off-position from power-transfer clutch connection position.That is, leading section 326a is equivalent to " limiting unit " of the present invention.
At bar guide groove 327, swing threshing clutch lever 344 can be inserted through.By the operation of threshing clutch lever 344, can by threshing power-transfer clutch 310B (with reference to Figure 25) blocked operation to connected state and dissengaged positions.If threshing power-transfer clutch 310B becomes connected state, then the propulsive effort of driving engine 308 is delivered to sheller unit 304.
It should be noted that, power transfer path to reaping part 303 is connected the downstream be located at from driving engine 308 to the power transfer path of sheller unit 304, therefore when threshing power-transfer clutch 310B is dissengaged positions, even if harvesting power-transfer clutch 310A is set to connected state, reaping part 303 also can not drive.Namely, when " threshing power-transfer clutch 310B is connected state; and harvesting power-transfer clutch 310A is connected state " time, sheller unit 304 and reaping part 303 drive, time " threshing power-transfer clutch 310B is connected state, and harvesting power-transfer clutch is dissengaged positions ", only sheller unit 304 drives, time " threshing power-transfer clutch 310B is dissengaged positions ", regardless of the state of gathering in power-transfer clutch, sheller unit 304 and reaping part 303 do not drive.
(for pining down mechanism)
Possess and pin down mechanism 345, when connection operation being carried out to harvesting power-transfer clutch 310A when the operation by gathering in clutch lever 343, then main transformer speed operating parts is operated and also created a diversion by the situation of the position of speedup side to the location of instruction (hereinafter also referred to as " pining down position ") than the regulation in advance side courses of action 324a.Pin down position be set in advance side courses of action 324a than fore-and-aft direction midway location also by the position of speedup side.
As shown in Figure 26 ~ Figure 28, pin down mechanism 345 and possess containing part 351 and link rod part 352.Advance side courses of action 324a can be exited in containing part 351.Link rod part 352 connects containing part 351 and harvesting clutch lever 343, if harvesting clutch lever 343 is communicated with position by operation to power-transfer clutch, then containing part 351 proceeds to the position corresponding with the location of instruction of regulation in advance side courses of action 324a.Thus, even if want main shift lever 341 to move to advance side (front) further, also can not move because of abutting with containing part 351.
Below, the structure pining down mechanism 345 is described in detail.Containing part 351 possesses guiding elements 351a and protrudes component 351b.Guiding elements 351a extends and movement of can sliding along the longitudinal direction along advance side courses of action 324a in the position of departing from downwards from advance side courses of action 324a (bar guide groove 324).Protrude the top ends that component 351b is located at guiding elements 351a, and advance side courses of action 324a can be proceeded to.Guiding elements 351a and protrusion component 351b is formed by making the top ends of a rod member (such as, pole) bending.
The bracket 346 being equivalent to " frame support bracket " of the present invention and the bracket 347 being equivalent to " other frame support brackets " of the present invention is equipped with in the bottom surface of side panel 322.As shown in figure 26, bracket 346 is located at when overlooking between bar guide groove 324 and bar guide groove 325.As shown in Figure 27, Figure 28, bracket 346 is by being flexed into side-looking U-shaped by one piece of metal sheet, and then forwards side and rear side are flexed into flange shape and are formed by two upper ends.Bracket 346 is fixed on the bottom surface of side panel 322 via the flange part of front and back end.The front surface part of bracket 346 and rear face portion are positioned at different positions along the longitudinal direction, have through hole 346a.The state of overlap when two through hole 346a are formed as observing from fore-and-aft direction.Guiding elements 351a to run through two through hole 346a, and is free to slide the state support of mobile (being free to slide) at bracket 346 at fore-and-aft direction.
As shown in figure 26, the left side of advance side courses of action 324a is located at by bracket 347 when overlooking, that is, be located at across the advance side courses of action 324a side contrary with bracket 346.As shown in Figure 27, Figure 28, bracket 347 is formed by one piece of metal sheet is flexed into L-shaped warpage.Bracket 347 is fixed on the bottom surface of side panel 322 via L word one sidepiece.In L word the other side of bracket 347, be formed with elongated hole 347a along the longitudinal direction.The top ends protruding component 351b runs through elongated hole 347a, and the one end of protruding component 351b is bearing in guiding elements 351a, and the other end (top ends) is to be free to slide the state support of mobile (being free to slide) at bracket 347 at fore-and-aft direction.
As shown in figure 27, bracket 347 configures and is positioned to: the front end of elongated hole 347a is positioned at the position of also at least protruding more than the diameter length of component 351b than the front end of advance side courses of action 324a on the front, and the rear end of elongated hole 347a is positioned at the position than pining down position and also protrude rearward the diameter length of component 351b.
As shown in Figure 26 ~ Figure 28, link rod part 352 possesses arm member 352a and bar component 352b.Arm links the bottom being fixed on harvesting clutch lever 343, can swing together with harvesting clutch lever 343 around swinging center X.Bar portion extends along front and back, and rearward end is connected to arm member 352a in the mode can rotated around the first axle center Y1, and leading section is connected to the rearward end of guiding elements 351a in the mode can rotated around the second axle center Y2.Bar component 352b is the rod member (such as, pole) bent downwards at the centre portion of slightly forward end.
When harvesting clutch lever 343 is positioned at power-transfer clutch off-position ((a) with reference to Figure 27), during side-looking, arm is in the state extended from swinging center X downwards and slightly towards front, when harvesting clutch lever 343 is positioned at power-transfer clutch connection position ((b) with reference to Figure 27), during side-looking, arm is in the state rearward and slightly towards top extended from swinging center X.On the other hand, the leading section of bar component 352b is attached at the guiding elements 351a of movement of sliding along the longitudinal direction, therefore clutch lever 343 is gathered in when being operated into power-transfer clutch from power-transfer clutch off-position ((a) with reference to Figure 27) and being communicated with position ((b) with reference to Figure 27), maintain the upper-lower position of leading section while rearward move, and rearward end side swings upward around the second axle center Y2.
Namely, link rod part 352 is configured to: harvesting clutch lever 343 is when being operated into power-transfer clutch and being communicated with position ((b) with reference to Figure 27) from power-transfer clutch off-position ((a) with reference to Figure 27), then (direction along swinging center X is observed) during side-looking, first axle center Y1 is by the rear side of swinging center X, and the straight line L connecting the first axle center Y1 and the second axle center Y2 moves in the mode of crossing over swinging center X.Therefore, harvesting clutch lever 343 is when being operated into power-transfer clutch and being communicated with position ((b) with reference to Figure 27), when acting on the pulling force in forwards direction to bar component 352b, arm is pulled to front side by bar component 352b, and left side apparent time has the tendency of picture left-hand revolution.But, as mentioned above, link the leading section 326a that the harvesting clutch lever 343 being fixed with arm member 352a is connected to bar guide groove 326, therefore can not left-hand revolution.Can not further forwards side move.
By above structure, protrude component 351b is in the front side retrogressing of the side courses of action 324a that moves forward state when gathering in clutch lever 343 and being operated into power-transfer clutch off-position, when gathering in clutch lever 343 and being operated into power-transfer clutch connection position, by the swing of arm member 352a, guiding elements 351a is pulled to rear and movement of sliding via bar component 352b, and what protrude that component 351b proceeds to advance side courses of action 324a pins down position.Therefore, as shown in figure 28, under protrusion component 351b has proceeded to the state pining down position (harvesting power-transfer clutch 310A is connected state), even if main shift lever 341 is wanted to move to advance side from 324b side, neutral path, also owing to being connected to and protruding component 351b, side operation of can not marching forward further pining down position.But the operation even if harvesting power-transfer clutch 310A is connected, the operation pining down the path between position and neutral path 324b and the main shift lever 341 on retrogressing side courses of action 324c in advance side courses of action 324a is also freely.
It should be noted that, utilization pin down mechanism 345 create a diversion time, even if want main shift lever 341 to operate side of marching forward by force from pining down position, because harvesting clutch lever 343 is connected to the leading section 326a of bar guide groove 326, therefore operate main shift lever 341 and also surprisingly also can not be wanted advance side by operation to than pining down position.
(relation for pining down mechanism and moving velocity)
Based on Figure 29, the relation pining down mechanism 345 and moving velocity is described.As mentioned above, no matter speed change state regardless of secondary speed-changing device 309C (is higher speed gear state, or low speed speed change state), pin down mechanism 345 and all can operate connected state along with harvesting power-transfer clutch 310A, reduce the operating area of the advance side of main shift lever 341.Thus, the maximum output valve step-down undertaken by main transformer speed variator, its result, the maximum speed step-down that can be presented by main transformer speed variator and secondary speed-changing device 309C.
Specifically, when secondary speed-changing device 309C is in " higher speed gear state ", if harvesting power-transfer clutch 310A is " dissengaged positions " (pining down mechanism 345 is " non-pin down state "), then Ru shown in " Mode A ", the moving velocity region of advance side becomes " 0 " ~ " V1 (maximum speed) ", if harvesting power-transfer clutch 310A is " connected state " (pining down mechanism 345 is " pining down state "), then Ru shown in " pattern C ", the moving velocity region of advance side becomes " 0 " ~ " V3 (maximum speed)=k × V1 ".At this, " k " is the coefficient of satisfied " 0 < k < 1 ".
Even if secondary speed-changing device 309C is in " low speed speed change state ", similarly, if harvesting power-transfer clutch 310A is " dissengaged positions " (pining down mechanism 345 is " non-pin down state "), then Ru shown in " Mode B ", the moving velocity region of advance side becomes " 0 " ~ " V2 (maximum speed) ", if harvesting power-transfer clutch 310A is " connected state " (pining down mechanism 345 is " pining down state "), then Ru shown in " pattern D ", the moving velocity region of advance side becomes " 0 " ~ " V4 (maximum speed)=k × V2 ".
As mentioned above, pining down mechanism 345 by possessing, cutting off as condition using the connection of gathering in power-transfer clutch 310A, presenting two kinds of velocity bands, four moving velocity regions of the twice of the speed change number of regions of secondary speed-changing device 309C can be presented.Therefore, and gear columns is set to compared with the situation of four in the secondary speed-changing device 309C of gear type, can must be less by the left and right width design of change speed gear box 309B, or gear thickness can be become large and the durability of secondary speed-changing device 309C is improved.In addition, carrying out the state driven at reaping part 303 under, moving velocity can not speed change be more than certain moving velocity (V3, V4), and therefore mobile devices 302 can not reach more than suitable moving velocity due to maloperation, and driving engine 308 can be prevented in advance to be subject to high load capacity.
Also other using method pining down mechanism 345 are had.Such as, when want from make secondary speed-changing device 309C be operated into low speed speed change state thus the status transition of low speed driving to reaping part 303 is driven and the state of running at high speed more a lot of soon than present situation speed, if harvesting power-transfer clutch 310A is being operated on the basis of connected state, secondary speed-changing device 309C is operated higher speed gear state, then can efficiently speedup to suitable moving velocity.But, forget sometimes and secondary speed-changing device 309C is operated higher speed gear state.But, mechanism 345 is pind down owing to possessing, even if therefore main shift lever 341 operation to be marched forward owing to wanting speedup side, can not operate than pining down position also by the position of speedup side, driver's secondary speed-changing device 309C can be reminded to be in low speed speed change state, can to remind driver that secondary speed-changing device 309C is operated higher speed gear state.
(another embodiment of the 3rd embodiment)
In the above-described embodiment, no matter the speed change state listed regardless of secondary speed-changing device 309C (is higher speed gear state, or low speed speed change state), if harvesting power-transfer clutch 310A becomes connected state, then pin down the example that mechanism 345 all can become the state of pining down, but the present invention is not limited to this.Such as, becoming the precondition of the state of pining down as pining down mechanism 345, also can add the condition of " secondary speed-changing device 309C is in higher speed gear state ".
In this situation, although do not illustrate especially, but can be such as following structure: by mechanical linkage or electric control, when secondary speed-changing device 309C becomes low speed speed change state, cut off the link of guiding elements 351a and bar component 352b, when secondary speed-changing device 309C becomes higher speed gear state, connect the link of guiding elements 351a and bar component 352b.
For the relation pining down mechanism 345 and moving velocity of these other embodiments, be described based on Fig. 8.When secondary speed-changing device 309C is in " higher speed gear state ", if harvesting power-transfer clutch 310A is " dissengaged positions " (pining down mechanism 345 is " non-pin down state "), then Ru shown in " Mode A ", the moving velocity region of advance side is " 0 " ~ " V1 (maximum speed) ", if harvesting power-transfer clutch 310A is " connected state " (pining down mechanism 345 is " pining down state "), then Ru shown in " pattern C ", the moving velocity region of advance side becomes " 0 " ~ " V3 (maximum speed)=k × V1 ".At this, " k " is the coefficient of satisfied " 0 < k < 1 ".
But, if secondary speed-changing device 309C is " low speed speed change state ", then pin down mechanism 345 not work, therefore no matter harvesting power-transfer clutch 310A is " dissengaged positions " (pining down mechanism 345 is " non-pin down state "), still " connected state " (pining down mechanism 345 is " pining down state "), as shown in " Mode B ", the moving velocity region of advance side all becomes " 0 " ~ " V2 (maximum speed) ".
In this situation, especially the generation of the following state of affairs can be prevented in advance, namely, be in higher speed gear state at secondary speed-changing device 309C and need the homework department of large propulsive effort to drive, when driving engine 308 is in the state of high load capacity, main transformer speed variator is operated to high-speed side, causes driving engine 308 to be applied load further.
(other embodiments of the 3rd embodiment)
(1) in the above-described embodiment, although list the example pining down mechanism 345 and be made up of containing part 351 and link rod part 352, this is not limited to.Also according to main shift lever 341 and the distance of gathering in clutch lever 343, such as, other connecting rod mechanisms can be possessed further between containing part 351 and link rod part 352.
(2) in the above-described embodiment, although list the example that harvesting clutch lever 343 is connected by mechanical linkage with containing part 351, but also can be such as following structure: the electrically operation to connection position of sensing harvesting clutch lever 343, makes protrusion component 351b proceed to advance side courses of action 324a by electrical control.
(3) in the above-described embodiment, as operation power-transfer clutch and operation clutch lever, list the example possessing harvesting power-transfer clutch 310A and harvesting clutch lever, but be not limited to this.Such as, as power-transfer clutch and operation clutch lever, also can selecting threshing power-transfer clutch 310B and threshing clutch lever 344, when having other power-transfer clutch and clutch lever, also can select them.
(4) propulsive effort from driving engine 308 was listed in the above-described embodiment before being imported into HST input shaft 311, be branched off into the example that the power transfer path to mobile devices 302 and the power transfer path to reaping part 303 and sheller unit 304 carry out transmitting, but be not limited to this.Such as, also can in change speed gear box 309B inside (such as, HST output shaft 312) branch again to the power transfer path of mobile devices 302 and the power transfer path to reaping part 303 and sheller unit 304.And then the power transfer path to reaping part 303 and the power transfer path to sheller unit 304 also can not be arranged in series, and be configured to paths different respectively.
(5) in the above-described embodiment, although secondary speed-changing device 309C lists the example that can switch to higher speed gear state and these two states of low speed speed change state, other speed change state also can be set further and switch to the state of more than three.
(6) above-mentioned embodiment (Figure 29, Figure 30 reference) in the magnitude relationship of speed " V1 " to " V4 " be not limited to the relation shown in Figure 29, Figure 30, these relations just illustrated to be described, " V2 " can be the value larger than " V3 ", " V4 " can be than " V3 " large value.In addition, coefficient " k " is not limited to be common value in " higher speed gear state " and " low speed speed change state ".
(7) in the above-described embodiment, list as " frame support bracket " and possess the example that has the bracket 346 of two through hole 346a, but be set up in parallel before and after the bracket also two with a through hole.
(8) in the above-described embodiment, list the example possessing HST309A (hydrostatic continuously variable unit) as main transformer speed variator, but the present invention is not limited to this.Main transformer speed variator also can be such as HMT (continuous variable hydromechanical change-speed box) or other CVT.
(9) in the above-described embodiment, as secondary variable speed operation part, clutch operating part, rod-type part is configured with, but also can configuration button formula switch etc.In addition, similarly, main transformer speed operating parts may not be oscillating type bar, can be bar or the switch of sliding type.
(10) the present invention not only goes for the combination machine of full feed type, also the combination machine of half feed type is gone for, in addition, not only go for the reaper turning to rod-type reaper, travelled by crawler-mounted mobile devices, also go for the reaper turning to the reaper of disc type, travelled by wheeled mobile devices.
Industry utilizes possibility
The driving device of the working rig of the driving device of reaper of the present invention etc. goes for the reaper of such as ordinary combine harvester, half feed type combine harvester, carrot reaper, corn picker etc., transport trolley, and trac. etc.
Description of reference numerals
[the first embodiment]
7 mobile devices
34 output shafts
43 transmission gearboxs
43A opening
43B opening
44 input shafts
45 driven shafts
45A spline shaft
The spline shaft that 45B specifies
46 side clutch spindles
47 change-speed boxs
49 speed reduction gearings
50 travel axle drive shaft
61B splined hub portion
63 driven gears
63A gear part
63B splined hub portion
65 driven gears
65A gear part
65B splined hub portion
66 gearshifts
74 splined hub
74a spline
81 export swivel
82 transmission swiveies
83 side power-transfer clutchs
84 side brakes
85 axles
85A spline shaft
85C stage portion
85D engagement groove
85E engagement section
86 move sidespin turns (driven-side rotor)
86A engaging piece
86C gives as security splenium
86E wide diameter portion
87 fixation side swiveies (drive side swivel)
87A engagement part
88 Compress Springs
89 retainers (back-up ring)
90 spring perches
91 sliding units
92 gears (driven wheel, interlock swivel)
94 brake hubs
95 dividing plates
96 brake discs
99 splined hub
99A splined hole portion
99B wide diameter portion
100 accommodation spaces
101 back-up rings
102 cover components
102A assist openings
103 assist shroud components
103A large-diameter portion
103B minor diameter part
104 spaces (oil pocket)
105 axle branches
106 pistons
107 hydraulic efficiency equipments
119 relay axis
122 first reduction part
123 second reduction part
124 gears
125 gears
126 gears
137 oil circuits
A external device
B connects gear
Ba connecting portion
[the second embodiment]
202 mobile devices
212 driving engines
214 main transformer speed variators
215 secondary speed-changing devices
216 change speed gear boxs
216A, 216B sidewall
221 axletrees
221A power transfering part
The horizontal I extended portion of 221B
221C connecting portion
229 output shafts
229A, 229B are separated transmission shaft
229a shaft end
233 axles prop up component
234 output gears
239 speed change input shafts
240 speed change output shafts
241 input gears
242 low speed rotations are with driven wheel (low-speed drive gear)
243 high-speed drives are with driven wheel (high-speed drive gear)
244 low speed rotations are with driven gear (low speed driven gear)
245 high-speed drives are with driven gear (high speed driven gear)
246 driving gears
247 shift members
248,249 spline parts
250 shift forks
All grooves are used in 262 engagings
264 downstream transmission gears
273 axle boxs
280 washer member
M1, M2 embeded slot
[the 3rd embodiment]
302 mobile devices
303 reaping parts (homework department)
307 Drive Sections
308 driving engines
309AHST (main transformer speed variator)
309B change speed gear box
309C secondary speed-changing device
310A gathers in power-transfer clutch (operation power-transfer clutch)
314 small-diameter gears (gear row)
315 large diameter gears (gear row)
317 large footpath fixed gear wheels (gear row)
318 path fixed gear wheels (gear row)
322 side panels
324a advance side courses of action
The neutral path (center position) of 324b
324c retreats side courses of action
326a leading section (limiting unit)
341 main shift levers (main transformer speed operating parts)
342 secondary shifter bars (secondary variable speed operation part)
343 harvestings clutch lever (clutch operating part clutch lever)
345 pin down mechanism
346 brackets (frame support bracket)
346a through hole
347 brackets (other frame support brackets)
347a elongated hole
351 containing parts
351a guiding elements
351b protrudes component
352 link rod parts
352a arm member
352b bar component
X swinging center
Y1 first axle center
Y2 second axle center
L straight line
Claims (67)
1. a driving device for reaper, is characterized in that,
Be built-in with at transmission gearbox: left and right towards driven shaft, be adjacent to described input shaft with the posture parallel with the input shaft of transmission gearbox; Left and right towards side clutch spindle, possess the transmission swivel of the output swivel interlock possessed with described driven shaft; Select the change-speed box of gear type, speed change is carried out to the power from described input shaft; And an offside power-transfer clutch, be positioned on the axle of described side clutch spindle, be communicated with/cut off the transmission from the described transmission swivel mobile devices of both sides to the left and right respectively,
In the left and right that the external device being connected to described transmission gearbox possesses towards output shaft, described input shaft is equipped with using the state rotated integrally as center and described output shaft in the axle center of described output shaft,
Be equipped with described change-speed box in the mode of input shaft described in bridging and described driven shaft, described change-speed box is from described input shaft to described driven shaft transmission.
2. the driving device of reaper according to claim 1, is characterized in that,
Described transmission swivel is provided in the central portion of described side clutch spindle,
Described in a pair, power-transfer clutch decentralized configuration in side is in the left and right sides of described transmission swivel.
3. the driving device of reaper according to claim 2, is characterized in that,
Described output swivel is provided in the central portion of described driven shaft.
4. the driving device of reaper according to any one of claim 1 to 3, is characterized in that,
The driven gear of described change-speed box is equipped in described driven shaft with the state adjacent with described output swivel.
5. the driving device of reaper according to claim 4, is characterized in that,
Described driven gear is equipped in described driven shaft with the state adjacent with the both sides of described output swivel.
6. the driving device of the reaper according to claim 4 or 5, is characterized in that,
Possess gear part in the end side of described driven gear, possess the connecting portion of gear selecting in another side of described driven gear, described driven gear is formed and gear selecting operate with the connection gear that is connected of gearshift,
Described connection gear is equipped in described driven shaft with the state that described gear part is adjacent with described output swivel.
7. the driving device of reaper according to claim 6, is characterized in that,
Described change-speed box is often engagement type,
As described connection gear, possess except adjacent with described output swivel described be connected except gear other connect gear,
Described connection gear possesses the splined hub portion as described connecting portion respectively,
The spline shaft rotated integrally with described driven shaft adjacent with described output swivel described be connected gear described splined hub portion and the described described splined hub portion that other connect gear between state under, described other connect gears and are equipped in described driven shaft.
8. the driving device of reaper according to any one of claim 1 to 7, is characterized in that,
Connect gear described speed-change apparatus is standby, described connection gear at one end side possess to operate with gear selecting with the connecting portion that is connected of gearshift,
At described connecting portion under the state of the end of the side contrary with the input side end of described input shaft of described input shaft or described driven shaft, described connection gear is equipped in described input shaft or described driven shaft.
9. the driving device of reaper according to any one of claim 1 to 8, is characterized in that,
Described speed-change apparatus standby to operate with gear selecting with the connection gear that is connected of gearshift,
Any one in described input shaft and described driven shaft is configured in the below of another one
Described input shaft or described driven shaft are provided in below, and described connection gear is equipped in described input shaft or described driven shaft.
10. the driving device of reaper according to any one of claim 1 to 9, is characterized in that,
Described change-speed box is often engagement type, has multiple connection gear, and described connection gear at one end side possesses the splined hub portion as connecting portion, described connecting portion and gear selecting operate with gearshift be connected,
Described input shaft or described driven shaft are equipped with multiple described connection gear in the mode that can relatively rotate, described input shaft or described driven shaft are in the respective adjacent regions adjacent with described splined hub portion, spline shaft is possessed with the state rotated integrally, described spline shaft can be connected with adjacent described splined hub portion via described gearshift
In the described spline shaft of each adjacent regions, single described connection gear is formed with the state of multiple splines connected, by can the outer splined hub being equipped in described input shaft or described driven shaft form removably as the spline shaft of the regulation of connecting object with the end side only at its outer peripheral face.
The driving device of 11. reapers according to any one of claim 1 to 10, is characterized in that,
Described transmission gearbox possesses opening, and described opening makes the end of the side contrary with the end of input side of described input shaft expose.
The driving device of 12. reapers according to any one of claim 1 to 11, is characterized in that,
Possess the oil of the inside returning described transmission gearbox from hydraulic efficiency equipment is supplied to described change-speed box with gear selecting operate with the oil circuit of connection gear that is connected of gearshift.
The driving device of 13. reapers according to any one of claim 1 to 12, is characterized in that,
Possess: left and right towards the traveling axle drive shaft of the left and right sides, from described transmission gearbox bridging to the described mobile devices of correspondence; And the speed reduction gearing of the left and right sides, the dynamic retarding of the described side power-transfer clutch via correspondence is delivered to described traveling axle drive shaft.
The driving device of 14. reapers according to claim 13, is characterized in that,
Possess between described side clutch spindle and the described traveling axle drive shaft of the left and right sides left and right towards relay axis,
The described speed reduction gearing of the left and right sides possesses the first reduction part from described side clutch spindle bridging to described relay axis and respectively from described relay axis bridging to the second reduction part of described traveling axle drive shaft.
The driving device of 15. reapers according to claim 14, is characterized in that,
Described first reduction part and described second reduction part are respectively the gear type making a pair gears meshing interlock,
Described relay axis is provided in the position of the front upper place relative to described traveling axle drive shaft, and described side clutch spindle is provided in the position of the back upper place relative to described relay axis.
The driving device of 16. reapers according to claim 15, is characterized in that,
Described output swivel and described transmission swivel are made up of the gear of the interlock that is engaged with each other,
Described driven shaft is provided in the position of the front upper place relative to described side clutch spindle, and described input shaft is provided in the position of the back upper place relative to described driven shaft.
The driving device of 17. reapers according to claim 16, is characterized in that,
Described side clutch spindle is provided in than described input shaft and described traveling axle drive shaft position rearward.
The driving device of 18. reapers according to claim 16 or 17, is characterized in that,
Described relay axis is provided in than described driven shaft position on the front.
The driving device of 19. 1 kinds of working rigs, is characterized in that,
The left and right being built in transmission gearbox towards side clutch spindle axle on be equipped with: a pair interlock swivel, interlock is attached at the mobile devices of the left and right sides respectively; And an offside power-transfer clutch, be communicated with/cut off the transmission to interlock swivel described in a pair respectively,
Described in a pair, side power-transfer clutch comprises respectively: cylinder axle, can be carried out the state of dismounting by the mode of sliding relative to described side clutch spindle on the axis direction of described side clutch spindle, and can with the relative rotation fitted in described side clutch spindle; Mobile sidespin is turned, and possesses engaging piece at a side; Fixation side swivel, possesses engagement part at a side; Compress Spring, to turn force to described mobile sidespin in the position that is communicated with of carrying out engaging towards described engaging piece and described engagement part; Retainer, turns to described mobile sidespin in described connection position and stops; And spring perch, accept an end of described Compress Spring,
For each in side power-transfer clutch described in a pair, turn and the configuration mode of described Compress Spring between described retainer and described spring perch with described mobile sidespin, and can relative to the state that described cylinder axle slides on the axis direction of described side clutch spindle with described mobile sideway swivel body, equip described mobile sidespin at the peripheral part of described cylinder axle in the mode rotated integrally with described cylinder axle to turn, described Compress Spring, described retainer and described spring perch, described cylinder axle, described mobile sidespin is turned, described Compress Spring, described retainer and described spring perch are integrally formed the sliding unit of slip, described sliding unit can relative to the clutch spindle dismounting of described side on the axis direction of described side clutch spindle.
The driving device of 20. working rigs according to claim 19, is characterized in that,
Be provided in the central portion of described side clutch spindle to the transmission swivel of interlock swivel transmission described in a pair via side power-transfer clutch described in a pair,
Described in a pair, power-transfer clutch decentralized configuration in side is in the left and right sides of described transmission swivel, and, described in a pair, interlock swivel decentralized configuration is in the left and right sides of described transmission swivel, and side power-transfer clutch described in a pair is communicated with/cuts off the transmission from described transmission swivel to the described interlock swivel with described side power-transfer clutch homonymy.
The driving device of 21. working rigs according to claim 19 or 20, is characterized in that,
Using described mobile sidespin turn as driven-side rotor play function and described fixation side swivel as the state that drive side swivel plays function formed in side power-transfer clutch described in a pair each, formed sliding unit described in each using the state of the described interlock swivel possessing the correspondence as one of component parts.
The driving device of 22. working rigs according to claim 20, is characterized in that,
With a pair described in the side power-transfer clutch separately opposed opposed position of described transmission gearbox on the axis direction of described side clutch spindle possesses the opening allowing described sliding unit to pass through, and the cover component blocking described opening can be equipped with removably, for sliding unit described in each, dismounting can be carried out from the outside of described transmission gearbox relative to described side clutch spindle.
The driving device of 23. working rigs according to claim 22, is characterized in that,
Described cover component possesses axle branch separately, and the end of described side clutch spindle is supported by described axle branch.
The driving device of 24. working rigs according to claim 22 or 23, is characterized in that,
Described fixation side swivel separately with by the axis direction of described side clutch spindle slide thus the state of dismounting can be carried out fitted in described side clutch spindle relative to described side clutch spindle,
Described opening is formed as the size allowing described fixation side swivel to pass through separately.
The driving device of 25. working rigs according to claim 24, is characterized in that,
Side power-transfer clutch described in a pair possesses the spur gear as described fixation side swivel separately, and described spur gear has the facewidth of more than 2 times of the length of action that the described engaging piece of turning with described mobile sidespin engages.
The driving device of 26. working rigs according to claim 24 or 25, is characterized in that,
Described fixation side swivel separately fitted in described side clutch spindle ratio described in sliding unit by the position of shaft end side.
The driving device of 27. working rigs according to any one of claim 22 to 26, is characterized in that,
Described in a pair, interlock swivel possesses driven wheel,
Using described mobile sidespin turn as driven-side rotor play function and described fixation side swivel as the state that drive side swivel plays function formed in side power-transfer clutch described in a pair each, formed sliding unit described in each using the state of the described driven wheel possessing the correspondence as one of component parts.
The driving device of 28. working rigs according to claim 27, is characterized in that,
The each leisure of described sliding unit described cylinder axle is equipped with described driven wheel.
The driving device of 29. working rigs according to claim 27 or 28, is characterized in that,
Described in each on the axle of described side clutch spindle of described transmission gearbox, the outer circumferential side of sliding unit is equipped with the multiple-piece side brake of described mobile devices corresponding to braking,
Described sliding unit is separately to possess the brake hub of the corresponding described side brake as one of component parts with the state that described cylinder axle rotates integrally.
The driving device of 30. working rigs according to claim 29, is characterized in that,
Described sliding unit possesses the splined hub rotated integrally with described cylinder axle separately,
To be end side as described driven wheel play function to splined hub described in each and another side plays the dual-purpose parts of function as described brake hub.
The driving device of 31. working rigs according to claim 30, is characterized in that,
The inner peripheral surface perfect flower keyhole portion of each comfortable driven wheel side of described splined hub and possess wide diameter portion at the inner peripheral surface of brake hub side, the spline shaft that the end side being embedded in corresponding described cylinder axle outside described splined hole portion possesses, described wide diameter portion forms the accommodation space of Compress Spring between described splined hub and described cylinder axle.
The driving device of 32. working rigs according to claim 31, is characterized in that,
The stage portion that their peripheral part of each freedom of described cylinder axle possesses forms described spring perch, and described spline shaft has the length from described stage portion bridging to the axle head of side, large footpath,
Their outer circumferential side of each leisure of described spline shaft possesses the recessed engagement section being formed as roughly ring-type, and in described engagement section the outer back-up ring being equipped with C font,
Described splined hub described splined hole portion separately has the length from described back-up ring bridging to described stage portion, and described splined hub described wide diameter portion separately has the length of the hub end from described stage portion bridging to brake hub side.
The driving device of 33. working rigs according to any one of claim 29 to 32, is characterized in that,
Described side brake separately with by sliding thus can carrying out towards the lateral outer side of described transmission gearbox the state dismantled on the axis direction of described side clutch spindle, be equipped with multiple brake disc of alternately configuration on the axis direction of described side clutch spindle and multiple dividing plate
Described opening has the size allowing described brake disc and described dividing plate to pass through separately.
The driving device of 34. working rigs according to claim 33, is characterized in that,
Described mobile sidespin is turned and is possessed at its peripheral part the press section acting on described brake disc and described dividing plate separately,
Turn off-position that the described engaging piece of turning from described mobile sidespin and the described engagement part of described fixation side swivel remove engagement of described mobile sidespin along with correspondence slides to and is communicated with described the braking position that position is positioned at contrary direction, described side brake switches to braking mode from brake release state respectively, and, described mobile sidespin along with correspondence is turned from described braking position and is slided to described off-position, described side brake switches to described brake release state from described braking mode respectively, described brake release state is the state that the crimping undertaken by the effect of described press section removed separately by described brake disc and described dividing plate, to be described brake disc and described dividing plate carry out each via the effect of described press section the state that crimps to described braking mode.
The driving device of 35. working rigs according to claim 33 or 34, is characterized in that,
Described fixation side swivel separately with by sliding on the axis direction of described side clutch spindle thus the state of dismounting can being carried out relative to described side clutch spindle, fitted in described side clutch spindle ratio described in sliding unit by the position of shaft end side,
Described cover component possesses the assist openings allowing described fixation side swivel to pass through separately, and can be equipped with the assist shroud component blocking described assist openings removably, possesses the axle branch of the end of supporting described side clutch spindle at described assist shroud component.
The driving device of 36. working rigs according to claim 35, is characterized in that,
Described assist openings is formed as the circle centered by the axle center of described side clutch spindle separately,
Described assist shroud component possesses large-diameter portion and minor diameter part separately, and described large-diameter portion is embedded in described assist openings, and described minor diameter part is positioned at the private side of described transmission gearbox, and forms annulus between described assist shroud component and described assist openings,
Described sliding unit is equipped on the axle of described side clutch spindle with the described mobile sidespin state opposed with described space of turning separately,
Make the piston of the ring-type that mobile sidespin is turned described in slide embed described space with the state can slided on the axis direction of described side clutch spindle, and described space is as the oil pocket performance function of piston operation.
37., according to claim 19 to the driving device of the working rig according to any one of 36, is characterized in that,
Described mobile sidespin is turned and is possessed at the inner peripheral surface of retainer side the wide diameter portion allowing the described retainer on described connection position to enter separately.
38., according to the driving device of working rig according to claim 37, is characterized in that,
Described retainer is by forming by the outer C font back-up ring being embedded in engagement groove removably, and described engagement groove is recessed at the outer circumferential side of described cylinder axle and is formed as ring-type,
The described wide diameter portion of retainer has the size stoping described retainer to depart from from described engagement groove.
39. 1 kinds of reapers, is characterized in that possessing:
Main transformer speed variator, is located at the outside of change speed gear box, and have the input shaft from case outward side to case inward side inserted through the sidewall of the end side of described change speed gear box, is just exported against stepless change from described output shaft by the power from driving engine; And
The secondary speed-changing device of gear type, is inside loaded on described change speed gear box, and the power come from described output shaft transmission is carried out height 2 grades of speed changes according to operating condition and is delivered to mobile devices,
Described output shaft through in described change speed gear box and inserted through another side of described change speed gear box sidewall thus shaft end side is exposed to outside case, and be rotatably supported in the sidewall of described end side and the sidewall of another side described respectively.
40., according to reaper according to claim 39, is characterized in that,
The input gear that the output gear that possesses with described output shaft is engaged and linked is possessed at the speed change input shaft of the input side of described secondary speed-changing device.
41. reapers according to claim 40, is characterized in that,
At described speed change input shaft, possess high-speed drive driven wheel in the side near described input gear, possess low speed rotation driven wheel in the side away from described input gear.
42. reapers according to claim 41, is characterized in that,
Prop up between component with axle and have described low speed rotation gear along the mode that axis direction is spaced apart, described axle props up component speed change input shaft described in the sidewall free rotary ground supporting of another side described.
43. reapers according to claim 41 or 42, is characterized in that,
There is described high-speed drive driven wheel along the mode that axis direction is spaced apart between described input gear.
44. reapers according to any one of claim 41 to 43, is characterized in that,
Possess respectively at the speed change output shaft of the outgoing side of described secondary speed-changing device: the high-speed drive driven gear be engaged and linked with described high-speed drive driven wheel; The low speed rotation driven gear be engaged and linked with described low speed rotation driven wheel; And the driving gear to be engaged and linked with the downstream transmission gear in the transmission downstream being positioned at described secondary speed-changing device.
45. reapers according to claim 44, is characterized in that,
Described driving gear is between described high-speed drive driven gear and described low speed rotation driven gear.
46. reapers according to claim 45, is characterized in that,
Described driving gear is positioned at the position near described high-speed drive driven gear.
47. reapers according to any one of claim 39 to 46, is characterized in that,
Described secondary speed-changing device possesses: the speed change input shaft of input side; The speed change output shaft of outgoing side; High-speed drive driven wheel and low speed rotation driven wheel, be configured in described speed change input shaft in the mode can carrying out rotating relative to described speed change input shaft; And high-speed drive driven gear and low speed rotation driven gear, be configured in described speed change output shaft with stationary state,
Described high-speed drive driven wheel and described low speed rotation driven wheel engage all the time with described high-speed drive driven gear and described low speed rotation driven gear respectively, and can not slide along axis direction,
And, described secondary speed-changing device possesses shift member, described shift member between described high-speed drive driven wheel and described low speed rotation driven wheel spline fitted in described speed change input shaft, and be free to slide between high-speed drive operating position and low speed rotation operating position, described high-speed drive operating position is the position that the spline part of described gearshift part and described high-speed drive driven wheel is engaged and linked, described high-speed drive driven wheel is relatively rotatably configured in described speed change input shaft, described low speed rotation operating position is the position that the spline part of described gearshift part and described low speed rotation driven wheel is engaged and linked, described low speed rotation driven wheel is relatively rotatably configured in described speed change input shaft.
48. reapers according to claim 47, is characterized in that,
Between the described high-speed drive driven gear and described low speed rotation driven gear of described speed change output shaft, possess driving gear, described driving gear is engaged and linked with the downstream transmission gear in the transmission downstream being positioned at described secondary speed-changing device,
The shift fork of shift member described in slide is possessed with the state in the space between described shift member and described driving gear.
49. reapers according to claim 48, is characterized in that,
Described shift fork be located at described shift member periphery all grooves of engaging half cycle more than region engage.
50. reapers according to claim 48, is characterized in that,
Described shift fork engages with two positions be positioned at diametrically of all grooves of engaging of the periphery being located at described shift member.
51. reapers according to any one of claim 39 to 50, is characterized in that,
Described output shaft possesses along axis direction separation and the pair of separated transmission shaft be integrally rotatably connected.
52. reapers according to claim 51, is characterized in that,
Be separated transmission shaft from described output shaft to the output gear of described secondary speed-changing device transferring power be arranged on described in a pair outer relative to each mode integrally rotated freely be separated described in a pair transmission shaft, be separated transmission shaft described in a pair and be connected by described output gear.
53. reapers according to any one of claim 39 to 52, is characterized in that,
Cover the stateful connection that the main-gear box of the surrounding of described main transformer speed variator and described change speed gear box link with flange,
The joint face of described main-gear box and the joint face of described change speed gear box described output shaft inserted through position be formed the embeded slot of the axle center of described output shaft as the concentric circles at center respectively,
The washer member of axes alignment is possessed with the state of the described embeded slot of the described embeded slot and described change speed gear box that are entrenched in described main-gear box respectively.
54. reapers according to any one of claim 39 to 53, is characterized in that,
Possess pair of right and left axletree with the state in the axle box inserted through the left and right sides from the securing elongated setting of described change speed gear box, axletree described in pair of right and left will carry out the mobile devices transmission of power respectively to the left and right sides of speed change by described secondary speed-changing device,
The end of each comfortable body transverse width direction of axletree described in pair of right and left inward side possesses the power transfering part of path, possesses the horizontal expansion setting unit in large footpath in body transverse width direction outward side, and,
Connecting portion between the power transfering part of described path and the horizontal expansion setting unit in described large footpath is formed as becoming large gradually wide shape from the power transfering part of described path gradually towards body transverse width direction outward side diameter.
55. 1 kinds of reapers, is characterized in that possessing:
Main transformer speed variator, by the propulsive effort from driving engine just against stepless change;
The secondary speed-changing device of gear type, is inside loaded on change speed gear box, and be provided with the gear row that can carry out multiple combination, and the propulsive effort exported from described main transformer speed variator is delivered to mobile devices according to operating condition multi-change speed;
Operation power-transfer clutch, is communicated with/cuts off the propulsive effort transmission to homework department;
Main transformer speed operating parts, carries out variable speed operation to described main transformer speed variator;
Secondary variable speed operation part, carries out variable speed operation to described secondary speed-changing device;
Clutch operating part, carries out the connection/rupturing operation of described operation power-transfer clutch;
Pin down mechanism, when carrying out connection operation to described operation power-transfer clutch, the situation that subtend operates described main transformer speed operating parts than the location of instruction of the regulation in the advance side courses of action of described main transformer speed operating parts closer to speedup side creates a diversion.
56. reapers according to claim 55, is characterized in that,
Even if carry out connection operation to described operation power-transfer clutch, also can path between the location of instruction of described regulation in described advance side courses of action and center position and retreat main transformer speed operating parts described in the courses of action free operant of side.
57. reapers according to claim 55 or 56, is characterized in that,
The location of instruction of described regulation is set in than the position of the midway location in described advance side courses of action by speedup side.
58. reapers according to any one of claim 55 to 57, is characterized in that,
Described secondary speed-changing device can switch between higher speed gear state and these two states of low speed speed change state,
No matter be when described secondary speed-changing device is operated to described higher speed gear state, or when described secondary speed-changing device is operated to described low speed speed change state, when described operation power-transfer clutch is carried out connection operation time, described in pin down mechanism all can subtend than the described regulation in described advance side courses of action the location of instruction closer to speedup side operate described main transformer speed operating parts situation create a diversion.
59. reapers according to any one in claim 55 to 57, is characterized in that,
Described secondary speed-changing device can switch between higher speed gear state and these two states of low speed speed change state,
Even if described secondary speed-changing device is operated to described higher speed gear state, when described operation power-transfer clutch is carried out connection operation time, described in pin down mechanism also can subtend than the described regulation in described advance side courses of action the location of instruction closer to speedup side operate described main transformer speed operating parts situation create a diversion.
60. reapers according to any one in claim 55 to 59, is characterized in that,
As described main transformer speed operating parts, possess the main shift lever that swing is operated, and as described clutch operating part, possess the clutch lever that swing is operated,
The described mechanism that pins down possesses: the containing part that can advance relative to described advance side courses of action and retreat and the link rod part connecting described containing part and described clutch lever,
When described clutch lever is operated to power-transfer clutch connection position, described containing part proceeds to the position corresponding with the location of instruction of the described regulation in described advance side courses of action.
61. reapers according to claim 60, is characterized in that,
Described main shift lever is configured in the side panel of Drive Section,
Described clutch lever is configured at the rear of described main shift lever on described side panel,
Can slide along the longitudinal direction in described containing part, and when described clutch lever operates power-transfer clutch off-position, described containing part is back to the front side of described advance side courses of action.
62. reapers according to claim 60, is characterized in that,
Also possess: limiting unit, limit described clutch lever and be communicated with from described power-transfer clutch the situation that position moves to the side contrary with power-transfer clutch off-position,
Described link rod part possesses: arm member, swings around the swinging center of described clutch lever and described clutch lever one; And bar component, one end is connected to described arm member in the mode that can rotate around the first axle center, and the other end is connected to described containing part in the mode that can rotate around the second axle center,
Described link rod part has following structure, when described clutch lever operates described power-transfer clutch connection position from power-transfer clutch off-position, when direction along described swinging center is observed, described first axle center is through the rear side of described swinging center, and the straight line connecting described first axle center and described second axle center moves in the mode of crossing over described swinging center.
63. reapers according to any one of claim 60 to 62, is characterized in that,
Described containing part possesses guiding elements, and the position that described guiding elements is departing from described advance side courses of action extends along described advance side courses of action, and movement of can sliding along the longitudinal direction,
Frame support bracket is possessed in two different positions along the longitudinal direction,
Described guiding elements is bearing in described frame support bracket.
64. reapers according to claim 63, is characterized in that,
Described frame support bracket possesses two through holes of two the different positions be positioned at along the longitudinal direction,
Described guiding elements runs through and is bearing in described through hole.
65. reapers according to claim 63 or 64, is characterized in that,
Described containing part possesses the top ends that is arranged on described guiding elements and can proceed to the protrusion component of described advance side courses of action,
Described reaper possesses other frame support brackets except described frame support bracket,
Be formed at other frame support brackets described and supply described protrusion component to run through thus allow described protrusion component at the elongated hole of fore-and-aft direction slip movement,
Other frame support brackets described are to be located at the opposition side of described frame support bracket with described frame support bracket across the mode of described advance side courses of action.
66. reapers according to any one of claim 55 to 65, is characterized in that,
Described homework department is reaping part, and described operation power-transfer clutch is harvesting power-transfer clutch.
67. reapers according to any one of claim 55 to 66, is characterized in that,
Described main transformer speed variator is hydrostatic continuously variable unit.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710660558.6A CN107521337B (en) | 2013-06-28 | 2014-02-10 | Transmission device for working machine and harvester |
| CN202010067316.8A CN111066488B (en) | 2013-06-28 | 2014-02-10 | Transmission and harvester |
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013136519A JP6095505B2 (en) | 2013-06-28 | 2013-06-28 | Harvesting machine |
| JP2013136520A JP6095506B2 (en) | 2013-06-28 | 2013-06-28 | Harvesting machine |
| JP2013-136519 | 2013-06-28 | ||
| JP2013-136520 | 2013-06-28 | ||
| JP2013189765A JP6104110B2 (en) | 2013-09-12 | 2013-09-12 | Transmission device for harvester |
| JP2013189767A JP6029556B2 (en) | 2013-09-12 | 2013-09-12 | Transmission device for work equipment |
| JP2013-189765 | 2013-09-12 | ||
| JP2013-189767 | 2013-09-12 | ||
| PCT/JP2014/052998 WO2014208117A1 (en) | 2013-06-28 | 2014-02-10 | Transmission device for working machine, and harvester |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067316.8A Division CN111066488B (en) | 2013-06-28 | 2014-02-10 | Transmission and harvester |
| CN201710660558.6A Division CN107521337B (en) | 2013-06-28 | 2014-02-10 | Transmission device for working machine and harvester |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105283339A true CN105283339A (en) | 2016-01-27 |
| CN105283339B CN105283339B (en) | 2018-12-04 |
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Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067316.8A Active CN111066488B (en) | 2013-06-28 | 2014-02-10 | Transmission and harvester |
| CN201710660558.6A Expired - Fee Related CN107521337B (en) | 2013-06-28 | 2014-02-10 | Transmission device for working machine and harvester |
| CN201480032975.0A Expired - Fee Related CN105283339B (en) | 2013-06-28 | 2014-02-10 | The transmission device of harvester |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010067316.8A Active CN111066488B (en) | 2013-06-28 | 2014-02-10 | Transmission and harvester |
| CN201710660558.6A Expired - Fee Related CN107521337B (en) | 2013-06-28 | 2014-02-10 | Transmission device for working machine and harvester |
Country Status (4)
| Country | Link |
|---|---|
| KR (2) | KR101799175B1 (en) |
| CN (3) | CN111066488B (en) |
| PH (1) | PH12015502618A1 (en) |
| WO (1) | WO2014208117A1 (en) |
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| CN107087450A (en) * | 2017-03-29 | 2017-08-25 | 星光农机股份有限公司 | Variable transmission structure |
| CN108162692A (en) * | 2018-02-05 | 2018-06-15 | 温岭市明华齿轮有限公司 | Cropper front driving axle assembly |
| CN112173746A (en) * | 2020-09-04 | 2021-01-05 | 魏勇 | Feeding device for crop hose grain elevator |
| CN115180261A (en) * | 2021-08-25 | 2022-10-14 | 江苏富勤机械制造有限公司 | Use method of pipe transfer equipment |
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| CN115743160A (en) | 2017-01-20 | 2023-03-07 | 北极星工业有限公司 | Method and system for estimating wear of a drive belt of a continuously variable transmission |
| DE102019206829A1 (en) * | 2019-05-10 | 2020-11-12 | Deere & Company | Drive system for a harvesting machine |
| CN112026513B (en) * | 2020-09-07 | 2022-02-15 | 中国第一汽车股份有限公司 | Disconnecting device and coaxial electric drive system |
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- 2014-02-10 WO PCT/JP2014/052998 patent/WO2014208117A1/en active Application Filing
- 2014-02-10 KR KR1020177032617A patent/KR102048136B1/en active IP Right Grant
- 2014-02-10 CN CN202010067316.8A patent/CN111066488B/en active Active
- 2014-02-10 CN CN201710660558.6A patent/CN107521337B/en not_active Expired - Fee Related
- 2014-02-10 CN CN201480032975.0A patent/CN105283339B/en not_active Expired - Fee Related
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2015
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107087450A (en) * | 2017-03-29 | 2017-08-25 | 星光农机股份有限公司 | Variable transmission structure |
| CN107087450B (en) * | 2017-03-29 | 2022-11-11 | 星光农机股份有限公司 | Stepless speed change transmission structure |
| CN108162692A (en) * | 2018-02-05 | 2018-06-15 | 温岭市明华齿轮有限公司 | Cropper front driving axle assembly |
| CN112173746A (en) * | 2020-09-04 | 2021-01-05 | 魏勇 | Feeding device for crop hose grain elevator |
| CN115180261A (en) * | 2021-08-25 | 2022-10-14 | 江苏富勤机械制造有限公司 | Use method of pipe transfer equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111066488A (en) | 2020-04-28 |
| KR20160025496A (en) | 2016-03-08 |
| PH12015502618B1 (en) | 2016-02-29 |
| CN107521337A (en) | 2017-12-29 |
| CN111066488B (en) | 2022-07-15 |
| KR101799175B1 (en) | 2017-12-20 |
| KR102048136B1 (en) | 2019-11-22 |
| WO2014208117A1 (en) | 2014-12-31 |
| PH12015502618A1 (en) | 2016-02-29 |
| KR20170127575A (en) | 2017-11-21 |
| CN105283339B (en) | 2018-12-04 |
| CN107521337B (en) | 2020-02-14 |
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