CN102292233B - The combination machine of working truck and the example as this working truck - Google Patents
The combination machine of working truck and the example as this working truck Download PDFInfo
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- CN102292233B CN102292233B CN201180000859.7A CN201180000859A CN102292233B CN 102292233 B CN102292233 B CN 102292233B CN 201180000859 A CN201180000859 A CN 201180000859A CN 102292233 B CN102292233 B CN 102292233B
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Classifications
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- 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
- B60K17/28—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
-
- 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
- A01D69/03—Driving mechanisms or parts thereof for harvesters or mowers fluid
-
- 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
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid 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
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0408—Exchange, draining or filling of transmission lubricant
-
- 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
-
- 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
- B60Y2200/25—Track vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Harvester Elements (AREA)
Abstract
The side surface upper part that working truck of the present invention will be built-in with for making the hydraulic speed-changing housing (350) of the hydraulic continuously variable transmission of the power speed changing of top driving engine (14) (53,54) be arranged on the gearbox body (88) for the speed change of above-mentioned hydraulic continuously variable transmission (53,54) being exported the traveling portion (2) being delivered to left and right.Be configured with on the top, another side of above-mentioned gearbox body (88) for reception from the input belt wheel (155) of the power of above-mentioned driving engine (14) and the PTO belt wheel (119) utilizing the speed change output driving from above-mentioned hydraulic continuously variable transmission (53), (54).The oil-feed port (365) of working oil supply is provided with in the front of the above-mentioned PTO belt wheel (119) of the left surface of above-mentioned gearbox body (88).
Description
Technical field
The present invention relates to agricultural operation machinery, the mechanical such working truck of special operation, particularly combination machine.
Background technology
In the past, as in the combination machine of working truck, the technology (with reference to patent documentation 1) of the hydraulic continuously variable transmission of the power speed changing for making driving engine being carried out to electric control was known to.Combination machine described in patent documentation 1 comprises: for make the hydraulic continuously variable transmission of the power speed changing of driving engine, for carry out hydraulic continuously variable transmission gearshift adjustment operation pivot (operating axis) and for making pivotally supported electric drive.Further, by utilizing the driving of the electric drive corresponding to the operational ton of main shift lever etc. to carry out rotating operation to pivot, regulate the speed change of hydraulic continuously variable transmission to export, thus perform craspedodrome and the turning of combination machine.When the operational ton detecting sensor of the operational ton for detecting main shift lever etc. produces error, fault, other switching manipulation hydraulic continuously variable transmissions beyond use main shift lever etc., reliably make combination machine stop.
In addition, in this combination machine, hydraulic continuously variable transmission is built in hydraulic speed-changing housing.The power of driving engine is delivered to the traveling crawler belt of left and right by hydraulic speed-changing housing and gearbox body (Japanese: ミ Star シ ヨ Application ケ mono-ス).Such as, in the combination machine described in patent documentation 2, be positioned at the below configuration driving engine of the Drive Section on the right side of the direct of travel of travel machine body.At the front of driving engine configuration gearbox body.The hydraulic speed-changing housing of built-in hydraulic continuously variable transmission is installed in the side (left surface top) of the side contrary with driver's seat on the top of gearbox body.Gearbox body works as operating oil tank, is provided with oil-feed port in the upper surface side of gearbox body.The inspection oil window for confirming the work oil mass in gearbox body from external view is provided with in the front-surface side of gearbox body.Under replacing, supplementing work oil condition, by using the oil-feed port fuel feeding of manual working to the top side of gearbox body of funnel etc.
Current art document
Patent documentation 1: Japanese Unexamined Patent Publication 2004-308531 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2008-118883 publication
Summary of the invention
The problem that invention will solve
But, in the combination machine described in patent documentation 1, not only do not consider such as driving the function unit of electric drive (controller) to create abnormal situation completely, and, when operational ton detecting sensor creates unfavorable condition, stop due to travel machine body can only be made, therefore, even if existence makes combination machine exit such limping pattern (Japanese: リ Application プ ホ mono-system) running (running of shrinking back) from such as farmland can not carry out such problem.
In addition, in the combination machine described in patent documentation 2, because oil-feed port is positioned at the top side of gearbox body, therefore when fuel feeding, the oil cylinder that namely weight thing must be contained working oil is raised to the top of gearbox body higher, there is the problem that the burden of the operator when fuel feeding operation is more so.Further, be positioned at and the front face side of gearbox body, side that namely top side at oil-feed port place is different owing to examining oily window, therefore, be difficult in the process of fuel feeding above gearbox body, confirm the oily window of inspection, also exist and usually supply more than the such problem of the oil of requirement.If work oil mass is too much, then in gearbox body, being immersed in, the gear germline change rotated under the state in working oil is many.So during high-speed driving, the rotational resistance that working oil stirs more increases, power waste more becomes large.
Therefore, technical task of the present invention is to provide the combination machine of the working truck that solves the problems referred to above and an example as this working truck.
For solving the means of problem
In order to reach above-mentioned technical task, the invention of technical scheme 1 is a kind of working truck that will be built-in with for making the hydraulic speed-changing housing of the hydraulic continuously variable transmission of the power speed changing of top driving engine be arranged on a side surface upper part of the gearbox body for the speed change of above-mentioned hydraulic continuously variable transmission being exported the traveling portion being delivered to left and right, be configured with the input belt wheel received from the power of above-mentioned driving engine on the top, another side of above-mentioned gearbox body and export with the speed change utilized from above-mentioned hydraulic continuously variable transmission the PTO belt wheel carrying out driving, the oil-feed port of working oil supply is provided with in the front of the above-mentioned PTO belt wheel of the another side of above-mentioned gearbox body.
The invention of technical scheme 2 is based on the working truck described in technical scheme 1, in the another side of above-mentioned gearbox body, in the below of above-mentioned oil-feed port and the position lower than above-mentioned PTO belt wheel be provided with inspection oily window, and in a side of above-mentioned gearbox body, at the rear of above-mentioned inspection oil window and the position lower than above-mentioned PTO belt wheel is provided with nutschfilter.
The invention of technical scheme 3 is based on the combination machine as the working truck described in technical scheme 2, in the front portion of travel machine body, be provided with the reaping apparatus opening rotation centered by the longitudinal axis being positioned at the front left of above-mentioned travel machine body to horizontal outside, under the state making above-mentioned reaping apparatus open rotation to horizontal outside, the above-mentioned oil-feed port and the above-mentioned inspection oil window that are positioned at the left surface of above-mentioned gearbox body expose.
The invention of technical scheme 4 is based on the working truck described in technical scheme 1, this working truck comprises: for changing the straight-ahead operation instrument of the craspedodrome speed operating above-mentioned travel machine body, for changing the cornering operation instrument of the direct of travel operating above-mentioned travel machine body, for the electric drive regulating the speed change of above-mentioned hydraulic continuously variable transmission to export, for driving the function unit of above-mentioned electric drive according to the operational ton of above-mentioned each operation tool, above-mentioned hydraulic continuously variable transmission is provided with and the above-mentioned electric drive separately emergency manual operation tool that exports of its speed change of M/C.
The invention of technical scheme 5 is based on the working truck described in technical scheme 4, and when utilizing above-mentioned electric drive to regulate above-mentioned speed change to export, the driving of above-mentioned emergency manual operation tool and above-mentioned electric drive carries out action linkedly.
The invention of technical scheme 6 is based on the working truck described in technical scheme 4 or 5, and when the above-mentioned emergency manual operation tool of M/C, the drived control of above-mentioned function unit to above-mentioned electric drive is restricted.
The invention of technical scheme 7 is based on the working truck according to any one of technical scheme 4 ~ 6, this working truck comprises above-mentioned hydraulic continuously variable transmission, for carrying out the adjustment cylinder of gearshift adjustment to above-mentioned Hydraulic Pump, make the reciprocating electromagnetic liquid die mould valve as above-mentioned electric drive of above-mentioned adjustment cylinder body, for making the proportional control valve of above-mentioned electromagnetic liquid die mould Vavle switching action, the connecting pin interlock that the traveller (Japanese: ス プ mono-Le) of above-mentioned electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock are associated as by the end side being located at traveller motion arm moves, the operating axis as above-mentioned emergency manual operation tool that can utilize and manually carry out rotating operation is provided with in another side of above-mentioned traveller motion arm, the action that above-mentioned connecting pin makes above-mentioned traveller motion arm and above-mentioned two travellers linkedly with above-mentioned operating axis for center of turn rotates, thus aforesaid operations axle is rotated.
The invention of technical scheme 8 is based on the working truck described in technical scheme 7, this working truck comprises the hydraulic speed-changing housing being built-in with above-mentioned hydraulic continuously variable transmission, above-mentioned adjustment cylinder and above-mentioned electromagnetic liquid die mould valve, and the proportional control shell with aforementioned proportion control cock, above-mentioned traveller motion arm and aforesaid operations axle is detachably arranged on the lateral surface of above-mentioned hydraulic speed-changing housing in the mode making the above-mentioned traveller of electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock and be close.
Invention effect
Adopt the invention of technical scheme 1, it is a kind of working truck that will be built-in with for making the hydraulic speed-changing housing of the hydraulic continuously variable transmission of the power speed changing of driving engine be arranged on a side surface upper part of the gearbox body for the speed change of above-mentioned hydraulic continuously variable transmission being exported the traveling portion being delivered to left and right, be configured with on the top, another side of above-mentioned gearbox body receive from the power of above-mentioned driving engine input belt wheel and utilize the speed change of above-mentioned hydraulic continuously variable transmission to export to carry out the PTO belt wheel that drives, the oil-feed port of working oil supply is provided with in the front of the above-mentioned PTO belt wheel of the another side of above-mentioned gearbox body, therefore, when to above-mentioned gearbox body fuel feeding, do not need the top oil cylinder containing working oil such as weight thing being raised to higher above-mentioned gearbox body, play and make fuel feeding operation simple and the effect that the burden of operator is less when fuel feeding operation.
In addition, be provided with above-mentioned oil-feed port at the midway height and position of above-below direction of the above-mentioned gearbox body doubling as operating oil tank, therefore, oil can only be supplied to immediately below above-mentioned oil-feed port.Therefore, in above-mentioned gearbox body, the oil more than requirement can not be supplied superfluously, can reliably suppress the power waste in the above-mentioned gearbox body that caused by the work oil mass of surplus to become large worry.And the upper side in above-mentioned gearbox body can not be full of working oil, therefore, in above-mentioned gearbox body, working oil easily flows, compared with the past, significantly expands the face area of the part do not contacted with working oil of above-mentioned gearbox body.Utilize the radiating effect of the flowing power of such working oil, the above-mentioned part do not contacted with working oil, can also seek to control working oil overall temperature rise.
Adopt the invention of technical scheme 2, in the another side of above-mentioned gearbox body, in the below of above-mentioned oil-feed port and the position lower than above-mentioned PTO belt wheel be provided with inspection oily window, therefore, the above-mentioned inspection oil window being arranged in same side with above-mentioned oil-feed port can be observed and supply working oil (easily confirming above-mentioned inspection oil window at Fuel injection system) from above-mentioned oil-feed port to above-mentioned gearbox body.Therefore, compared with the past, fuel feeding operation becomes especially easy.In addition, in a side of above-mentioned gearbox body, at the rear of above-mentioned inspection oil window and the position lower than above-mentioned PTO belt wheel is provided with nutschfilter, therefore, above-mentioned inspection oil window and above-mentioned nutschfilter lay respectively at clip the downside being positioned at above-mentioned gearbox body inside train of gears along position relative all around.Namely, inner space on the downside of the above-mentioned oil-feed port effectively utilizing above-mentioned gearbox body, can configure above-mentioned inspection oil window and above-mentioned nutschfilter expeditiously, when checking the work oil mass in above-mentioned gearbox body from above-mentioned inspection oil window, the existence of above-mentioned nutschfilter can not become obstruction.
Adopt the invention of technical scheme 3, as in the combination machine of working truck, the reaping apparatus opening rotation centered by the longitudinal axis being positioned at the front left of above-mentioned travel machine body to horizontal outside is provided with in the front portion of travel machine body, under the state making above-mentioned reaping apparatus open rotation to horizontal outside, the above-mentioned oil-feed port and the above-mentioned inspection oil window that are positioned at the left surface of above-mentioned gearbox body expose, therefore, if make above-mentioned reaping apparatus open rotation to horizontal outside, then can obtain broad working space at the periphery of the above-mentioned oil-feed port of above-mentioned gearbox body and above-mentioned inspection oil window.Therefore, the effect improving the such upkeep operation to above-mentioned gearbox body of maintenance, fuel feeding operation before using significantly is played.
Adopt the invention of technical scheme 4, even if when such as above-mentioned function unit there occurs abnormal such electrical malfunction, if the above-mentioned emergency manual operation tool of M/C, then under above-mentioned straight-ahead operation instrument, the out-of-action state of above-mentioned cornering operation instrument, also can perform and make combination machine from such as farmland, exit such limping mode operation (running of shrinking back).Therefore, play the options of the reply emergency situation increasing combination machine, contribute to improving the effect of combination machine operability.
Adopt the invention of technical scheme 5, the operating state of above-mentioned hydraulic continuously variable transmission can be confirmed according to the action of above-mentioned emergency manual operation tool simply.At above-mentioned straight-ahead operation instrument and the connecting structure between above-mentioned cornering operation instrument and above-mentioned hydraulic continuously variable transmission without machinery to when carrying out electric control between them, play the effect easily found as soon as possible to above-mentioned straight-ahead operation instrument and the above-mentioned cornering operation instrument action failure relevant with above-mentioned hydraulic continuously variable transmission.
Adopt the invention of technical scheme 6, when the above-mentioned emergency manual operation tool of M/C, the speed change Drazin inverse of the above-mentioned hydraulic continuously variable transmission undertaken by above-mentioned electric drive can not and deposit.Therefore, the intention of above-mentioned hydraulic continuously variable transmission and above-mentioned travel machine body and operator can be reliably avoided to carry out the worry of unstable action on the contrary.Play the driving safety can guaranteed when the above-mentioned emergency manual operation tool of M/C.
Adopt the invention of technical scheme 7, working truck comprises: above-mentioned hydraulic continuously variable transmission, for carrying out the adjustment cylinder of gearshift adjustment to above-mentioned Hydraulic Pump, the electromagnetic liquid die mould valve as above-mentioned electric drive moved back and forth for making above-mentioned adjustment cylinder, for making the proportional control valve of above-mentioned electromagnetic liquid die mould Vavle switching action, the connecting pin interlock that the above-mentioned traveller of electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock are associated as by the end side being located at traveller motion arm moves, the operating axis as above-mentioned emergency manual operation tool that can utilize manual rotation operation is provided with in another side of above-mentioned traveller motion arm, the action that above-mentioned connecting pin makes above-mentioned traveller motion arm and above-mentioned two travellers linkedly with above-mentioned operating axis for center of turn rotates, thus aforesaid operations axle is rotated, therefore, by aforementioned proportion control cock to above-mentioned Hydraulic Pump carry out variable speed control remote handing structure and by aforesaid operations axle to above-mentioned Hydraulic Pump carry out variable speed control hand-operated structures can and deposit.
Therefore, when above-mentioned remote handing (electric control), the operating state of above-mentioned two travellers can be confirmed according to the rotary state of aforesaid operations axle.In addition, even if when there occurs electrical malfunction, if manual rotation operation aforesaid operations axle, then under main shift lever, the out-of-action state of bearing circle, also can perform and make working truck from farmland, exit such limping mode operation (running of shrinking back).Therefore, add the options of working truck reply emergency situation, also contribute to the operability improving working truck.
Adopt the invention of technical scheme 8, working truck comprises and is built-in with above-mentioned hydraulic continuously variable transmission, the hydraulic speed-changing housing of above-mentioned adjustment cylinder and above-mentioned electromagnetic liquid die mould valve, there is aforementioned proportion control cock, the proportional control shell of above-mentioned traveller motion arm and aforesaid operations axle, the lateral surface of above-mentioned hydraulic speed-changing housing is detachably arranged in the mode making the above-mentioned traveller of electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock be close, therefore, under the state that above-mentioned adjustment cylinder and above-mentioned electromagnetic liquid die mould valve are assembled in above-mentioned hydraulic speed-changing housing, aforementioned proportion controls shell can relative to above-mentioned hydraulic speed-changing housing handling.That is, above-mentioned hydraulic speed-changing housing and aforementioned proportion are controlled shell separate units in advance, therefore, number of parts during assembling can be reduced, aforementioned proportion can be improved and control assembling operation, the upkeep operation of shell relative to above-mentioned hydraulic speed-changing housing.
Accompanying drawing explanation
Fig. 1 is the left side view of six ridge harvesting combination machines.
Fig. 2 is the birds-eye view of combination machine.
Fig. 3 is the drive system figure of combination machine.
Fig. 4 is the drive system figure of gearbox body etc.
Fig. 5 is the hydraulic circuit diagram of combination machine.
Fig. 6 is the left side view of driving engine and gearbox body.
Fig. 7 is the birds-eye view of driving engine and gearbox body.
Fig. 8 is the driving system instruction diagram of driving engine and gearbox body.
Fig. 9 is the front instruction diagram of travel machine body and gearbox body.
Figure 10 is the left side view of gearbox body.
Figure 11 is the right side view of gearbox body.
Figure 12 is the biopsy cavity marker devices enlarged side view of hydraulic speed-changing housing.
Figure 13 is the block diagram of the relation representing proportional control traveller, traveller motion arm, connecting pin and operating axis.
Figure 14 is the enlarged side view of hydraulic speed-changing housing.
Figure 15 is the enlarged front view of hydraulic speed-changing housing.
Figure 16 is the side-looking instruction diagram of reaping apparatus.
Figure 17 be reaping apparatus overlook instruction diagram.
Figure 18 is the general principal view of the opening and closing structure representing reaping apparatus.
Figure 19 is the block diagram of driving engine and gearbox body viewed from rear left oblique upper.
Figure 20 is the birds-eye view of gearbox body.
Figure 21 is that tiltedly the approximate three-dimensional map of travel machine body and gearbox body is seen in upside in the past.
Figure 22 is the left surface cutaway view of the gearbox body representing gear assortment relation.
Figure 23 is the right flank top amplification view of gearbox body.
Figure 24 is the upper rear portion amplification view of gearbox body.
Figure 25 is the lower backside amplification view of gearbox body.
Figure 26 is the amplification view of axletree front.
Figure 27 is the functional block diagram of speed change steering controller.
Figure 28 is the diagram of circuit of the speed change course changing control of combination machine.
Detailed description of the invention
Below, based on accompanying drawing, embodiment of specific embodiments of the invention is described.In addition, in the following description, by the left side of the working direction towards travel machine body 1 referred to as left side, similarly, by the right side of the working direction towards travel machine body 1 referred to as right side.
(1) unitary construction of combination machine
The unitary construction of combination machine is described with reference to Fig. 1 and Fig. 2.As shown in Figures 1 and 2, combination machine has the travel machine body 1 utilizing the traveling crawler belt 2 as the pair of right and left in traveling portion to support.Reaping apparatus 3 for gathering in the six ridge harvestings of closing up into cereal bar is installed in the front portion of travel machine body 1, and harvesting input housing 16 (being described in detail later) that this reaping apparatus 3 utilizes the single-acting lifting hydraulic actuating cylinder 4 as lift actuator can make as transverse axis regulates lifting.In travel machine body 1, be equipped with the sheller unit 5 with conveyer chain 6 and the grain box 7 for storing the grain taken out from this sheller unit 5 with transverse row column-shaped.In addition, sheller unit 5 is configured on the left of the working direction of travel machine body 1, and grain box 7 is configured on the right side of the working direction of travel machine body 1.Be provided with revolvable discharge conveyer 8 at the rear portion of travel machine body 1, the grain of the inside of grain box 7 is discharged to from paddy (Japanese: the Ni) input port 9 of discharging conveyer 8 in the container of lorry or freight container etc.In the right side side of reaping apparatus 3 and the front side of grain box 7 is provided with operator's compartment 10.
Be configured with in operator's compartment 10 as the bearing circle 11 of cornering operation instrument, operator's saddle 12, main shift lever 43 as straight-ahead operation instrument, secondary varying speed switch 44 and the operation clutch release rod 45 for break-make threshing power-transfer clutch and harvesting power-transfer clutch.In addition, be configured with in operator's compartment 10 take for chaufeur pedal 357 (with reference to Fig. 6 ~ Fig. 9), be provided with the bearing circle pier 46 of bearing circle 11, be provided with the bar pier 47 of above-mentioned each bar 43,45 and switch 44 etc.The driving engine 14 as propulsion source is configured with in the below of the driving seat 12 of travel machine body 1.
As shown in Figure 1, at the loading vehicle frame 21 of configuration left and right, the following side of travel machine body 1.Loading vehicle frame 21 be provided with for by the transmission of power of driving engine 14 to travel crawler belt 2 drive sprocket 22, be used for maintaining the tension force travelling crawler belt 2 jockey pulley 23, be used for the ground side travelling crawler belt 2 to be held at ground multiple caterpillar wheels 24 of state and be used for keeping the intermediate calender rolls 25 of the ungrounded side travelling crawler belt 2.Utilize drive sprocket 22 to support the front side travelling crawler belt 2, utilize jockey pulley 23 to support the rear side travelling crawler belt 2, utilize caterpillar wheel 24 to support the ground side travelling crawler belt 2, utilize intermediate calender rolls 25 to support the ungrounded side travelling crawler belt 2.
As shown in Figure 1, be provided with for cutting off the cutter device 222 of planting hairclipper (Japanese: the バ リ カ Application) formula not extracting the root of cereal bar stood in farmland in the below of the harvesting framework 221 of the skeleton of formation reaping apparatus 3.Be configured with for propping up the cereal bar raising apparatus 223 corresponding to six ridges not extracting cereal bar of planting and standing in farmland in the front of harvesting framework 221.The cereal bar feedway 224 for carrying the harvesting grain bar utilizing cutter device 222 to extract is configured with between cereal bar raising apparatus 223 and the leading section (conveying side, top) of conveyer chain 6.In addition, be equipped with in the front, bottom of cereal bar raising apparatus 223 for not extracting the grain separating body 225 corresponding to six ridges that cereal bar carries out point standing grain to planting to stand in farmland.Driving engine 14 is utilized to drive to travel crawler belt 2 mobile while utilize reaping apparatus 3 to gather in continuously to plant to stand on and do not extract cereal bar in farmland in farmland.
(2) structure of reaping apparatus
Below, the structure of reaping apparatus 3 is described with reference to Figure 16 ~ Figure 18.As shown in Figure 16 ~ Figure 18, harvesting framework 221 comprises: the harvesting input housing 16 of the bearing seat 15 of the front left being positioned at travel machine body 1 can be bearing in rotationally, the longitudinal drive housing 18 extended toward the front from harvesting input housing 16, the horizontal drive housing 19 extended towards left and right directions in the front of longitudinal drive housing 18, be connected to horizontal drive housing 19 correspondingly with six ridges divide standing grain framework 20.The grain separating body 225 corresponding to six ridges is configured with in the front of point standing grain framework 20.Being assembled with harvesting input shaft 17 for transmitting the power from driving engine 14 along in the harvesting input housing 16 of body left and right directions on even keel crossbearer.
Cereal bar raising apparatus 223 has props up housing 129 for corresponding to six ridges, and this is propped up housing 129 and is propped up pointed tooth 128 for making by multiple that cereal bar erects that do not extract of straw separating plate 225 points of standing grain.Cereal bar feedway 224 has for holding together into holding together into band 131R from the right side star gear 130R propping up the root side of the cereal bar corresponding with ridge, right side two that housing 129 imports corresponding to ridge, right side two and right side, hold together into band 131L for holding together into the left side star gear 130L of root side that two are propped up the cereal bar corresponding to ridge, left side two that housing 129 imports from left side and left side, hold together into band 131C for the central star gear 130C of root side and central authorities held together into propping up the cereal bar corresponding to central two ridges that housing 129 imports from two, central authorities.Reaping apparatus 222 have for cut off by right side star gear 130R and right side hold together into band 131R, left side star gear 130L and left side hold together into band 131L, central star gear 130C and central authorities hold together into band 131C hold together into the cutter 132 of left and right of hairclipper shape of root of the cereal bar corresponding to six ridges.
In addition, cereal bar feedway 224 have for by held together by right side star gear 130R and right side into band 131R hold together into the root side of the harvesting grain bar corresponding to ridge, right side two be transported to the right side root conveyer chain 133R at rear, for make by left side star gear 130L and left side hold together into band 131L hold together into the root side of the harvesting grain bar corresponding to ridge, left side two converge to the left side root conveyer chain 133L in the feeding terminal portion of right side root conveyer chain 133R, for by held together by central star gear 130C and central authorities into band 131C hold together into the root side of the harvesting grain bar corresponding to central two ridges be transported to rear and make it converge to the central root conveyer chain 133C of the conveying midway of right side root conveyer chain 133R.Utilize root conveyer chain 133R, 133L, 133C of left and right and central authorities, make the root side of the harvesting grain bar corresponding to six ridges converge to the feeding terminal portion of right side root conveyer chain 133R.
Cereal bar feedway 224 has and to pass on the longitudinal conveyer chain 134 as cereal bar transfer unit of root side of the harvesting grain bar corresponding to six ridges from right side root conveyer chain 133R, and for the conveying top portion that the root side of the harvesting grain bar corresponding to six ridges is transported to conveyer chain 6 from the feeding terminal portion of longitudinal conveyer chain 134 as the auxiliary root conveyer chain 135 of assisting transfer unit.By auxiliary root conveyer chain 135, the root side of the harvesting grain bar corresponding to six ridges is transported to the conveying top portion of conveyer chain 6 from longitudinal conveyer chain 134.In addition, the right side fringe point of the fringe point side that cereal bar feedway 224 has for carrying the harvesting grain bar corresponding to ridge, right side two utilizing right side root conveyer chain 133R to transport carries pointed tooth 137R, for the fringe point side of the harvesting grain bar corresponding to ridge, left side two utilizing left side root conveyer chain 133L to transport being transported to rear and making it carry pointed tooth 137L at the left side fringe point that fringe point in right side carries the conveying of pointed tooth 137R midway to converge, for the fringe of the harvesting grain bar corresponding to central two ridges utilizing central root conveyer chain 133C to transport point side being transported to rear and making its central fringe point carrying the conveying of pointed tooth 137R midway to converge at right side fringe point carry pointed tooth 137C.What the fringe of the harvesting grain bar corresponding to six ridges extracted with reaping apparatus 3 point side is transported to the threshing cylinder 226 of sheller unit 5 arranges indoor.
As shown in figure 18, for the ease of the maintenance of each device 222 ~ 224 of inside, driving engine 14 and gearbox body 88 etc., reaping apparatus 3 is configured to centered by the longitudinal axis 300 being bearing in the bearing seat 15 of the front left being positioned at travel machine body 1, to open rotation (can transversely opening and closing rotate) to horizontal outside.Bearing seat 15 is configured to mainly look roughly door shape by roughly trapezoidal side frame platform 301L, the 301R of pair of right and left of side-looking and the horizontal stripe framework 302 of square tube type, side frame platform 301L, 301R of this pair of right and left erect the front left being fixed on travel machine body 1, and this horizontal stripe framework 301 crossbearer is between the upper end of left and right sides pallet 301L, 301R.Cast the longitudinal axis 300 made of iron can not deviate from and left side pallet 301L can be bearing in around its vertical axis rotary axis of earth.
The part projected upwards from left side pallet 301L of the longitudinal axis 300 is can around the bearing portion 303 of its transverse axis heart rotary axis of earth supporting as the base end side of the harvesting input housing 16 of transverse axis.Bearing portion 303 by be integrally formed in the longitudinal axis 300 top the lower main part 303a partly cutting shape (Japanese: segmentation shape) to oblique front upper place opening and to be covered from front by lower main part 303a and form with the upper cover part 303b partly cutting shape to oblique rearward openings of lower main part 303a bolt link.Utilize upper cover part 303b and lower main part 303a can hold the base end side of (clamping) harvesting input housing 16 rotationally around its transverse axis heart.
The front of horizontal stripe framework 302 extends to than the position of right side pallet 301R by body center side, utilizes welding etc. to be fixed on the upper end of the cylindrical frame 290 of the front, center side being erected on travel machine body 1.Be fixed on horizontal stripe framework 302 front upper surface installation seat plate 305 on be provided with the maintenance support body 306 of cast iron etc., this maintenance support body 306 can around the front of its transverse axis heart rotary axis of earth supporting harvesting input housing 16.Keep support body 306 by with the lower retainer bearing portion 306a that partly cut shape to oblique front upper place opening of bolt link on mounting base 305 and the bearing pin 307 by transverse direction can before and after the holder bearing portion 306b be arranged on rotationally on this lower retainer bearing portion 306a form.
Holder bearing portion 306b is made to rotate forward (close and rotate) and cover lower retainer bearing portion 306a, under the state of front clipping harvesting input housing 16, utilize bolt of rear end plate 308 to be attached on lower retainer bearing portion 306a by holder bearing portion 306b, thus the first side of harvesting input housing 16 can be supported on maintenance support body 306 around the state lower shaft of its horizontal axis rotation.Reaping apparatus 3 is held in place closed posture before travel machine body 1 (the solid line state with reference to Figure 18).On the contrary, holder bearing portion 306b is made to rotate backward (opening rotation) by loosening bolt of rear end plate 308, the holding of the front of harvesting input housing 16 is removed, and reaping apparatus 3 becomes the state opening rotation centered by the longitudinal axis 300 to horizontal outside.In this condition, if make reaping apparatus 3 rotate to the horizontal outside (left outside side) of travel machine body 1, then reaping apparatus 3 become make to open before travel machine body 1 open posture (the long and two-short dash line state with reference to Figure 18).In this case, reaping apparatus 3 is supported state into cantilever beam by the longitudinal axis 300.
Give prominence to from the base end side outside (left) of harvesting input housing 16 with the base end side (end of longitudinal axis side 300) of the harvesting input shaft 17 in concentric posture loading harvesting input housing 16, be fixed with harvesting input belt wheel 309 in this nose portion.The harvesting driving pulley 124 of harvesting axle drive shaft 102 gathering in input belt wheel 309 and cone pulley case (Japanese: カ ウ Application タ ギ ヤ ケ mono-ス) 89 has been wrapping with harvesting rotating band 125.As described above, to be delivered to the harvesting input shaft 17 in harvesting input housing 16 from harvesting axle drive shaft 102 by belt wheel 124,309 and belt conveyor 125 driving system via the power of cone pulley case 89 from driving engine 14.Then, from gathering in input shaft 17 by each device 222 ~ 224 of transmission of power to reaping apparatus 3.
Be configured with between longitudinal drive housing 18 and the front portion of travel machine body 1 and make reaping apparatus 3 be elevated the lifting hydraulic actuating cylinder 4 as lift actuator rotated.The end of the cylinder body side of lifting hydraulic actuating cylinder 4 can be pivotally mounted on the front portion of travel machine body 1 up and down rotationally by the pivot suspension bearing pin (omitting diagram) of transverse direction.The end of the bar side of lifting hydraulic actuating cylinder 4 is detachably attached at the length direction middle part of longitudinal drive housing 18 by installation bracket 310.In this case, the end of the bar side of lifting hydraulic actuating cylinder 4 utilizes the straight pin 313 of L-shaped to rotate up and down and is detachably pivotally mounted in the center side of installation bracket 310.In addition, under making reaping apparatus 3 open rotation situation to horizontal outside, as the operation of prerequisite, unload the harvesting rotating band 125 be wound around on harvesting input belt wheel 309, and unload the straight pin 313 linking lifting hydraulic actuating cylinder 4 and installation bracket 310.
(3) structure of sheller unit
Below, the structure of sheller unit 5 is described with reference to Fig. 1 and Fig. 2.As shown in Figures 1 and 2, sheller unit 5 comprises: the threshing cylinder 226 of cereal bar threshing, for swing screening plate 227 that the threshing object of the below dropping to threshing cylinder 226 is screened and fan of winnowing (Japanese: Tang dustpan Off ア Application) 228, carry out for the threshing effluent taken out the rear portion from threshing cylinder 226 reprocessing process cylinder 229, for discharging the dust discharge fan 230 of the dust discharge at the rear portion of swing screening plate 227.In addition, the S. A. heart yearn of threshing cylinder 226 extends along the throughput direction (in other words the travel direction of travel machine body 1) of the cereal bar of conveyer chain 6.The root side of the cereal bar utilizing cereal bar feedway 224 to transport from reaping apparatus 3 is transferred to after conveyer chain 6 by clamping conveying.Further, threshing cylinder 226 is utilized to carry out threshing after in the process chamber fringe of this cereal bar point side being moved to sheller unit 5.
As shown in Figure 1, the secondary conveyor 232 of conveyor 231 for taking out the grain (primary screening thing) utilizing swing screening plate 227 to filter out and the secondary screening material for the grain that takes out band branch stalk etc. is provided with in the lower side of swing screening plate 227.The top side of the travel machine body 1 of the rear upper travelling crawler belt 2 is transversely located at by two conveyers 231,232 of present embodiment viewed from side with the order of conveyor 231, secondary conveyor 232 from the travel direction front of travel machine body 1.Fanned 230 and screening fan 241 etc. formed grain screening mechanism 245 by aforesaid swing screening plate 227, fan 228 of winnowing, conveyor 231, secondary conveyor 232, dust discharge.
As shown in Figure 1, swing screening plate 227 is configured to utilize transfer dish 238 and glume-shell screen 239 to carry out swing screening (proportion screening) to from a threshing object that the reception net 237 being located at the below of threshing cylinder 226 leaks down.The grain fallen from swing screening plate 227 is removed the dust this grain by the screening wind from fan 228 of winnowing, drop to conveyor 231.The conveyer 233 of winnowing extended along the vertical direction is connected with at the sidewall by grain box 7 from sheller unit 5 (the being right side wall in embodiments) terminal part outwardly of conveyor 231.The grain taken out from conveyor 231 is moved to grain box 7 by conveyer 233 of winnowing, and is collected in grain box 7.
In addition, as shown in Figure 1, swing screening plate 227 utilizes the secondary screening material swinging screening (proportion screening) grain that the band branch from glume-shell screen 239 is obstructed etc. to drop to secondary conveyor 232.There is the screening fan 241 for carrying out selection by winnowing to the secondary screening material of the below dropping to glume-shell screen 239.Dust the grain of the secondary screening material fallen from glume-shell screen 239 and bar bits are removed by the screening wind carrying out self-sizing fan 241, drop to secondary conveyor 232.The sidewall by grain box 7 from sheller unit 5 terminal part outwardly of secondary conveyor 232 is connected with the top side at the rear portion (front portion of glume-shell screen 239) of transfer dish 238 by recycling conveyor 236, makes secondary screening material turn back to the top side of swing screening plate 227 and screen.
On the other hand, as shown in Figures 1 and 2, tier pole chain 234 and tier pole cutter 235 is configured with in the rear end side (feeding terminal side) of conveyer chain 6.The tier pole (bar after degrain) be transferred to tier pole chain 234 from the rear end side of conveyer chain 6 is discharged to the back lower place being discharged to travel machine body 1 after tier pole is cut to shorter suitable length by tier pole cutter 235 that the rear of travel machine body 1 or utilization be located at the rear portion of sheller unit 5 again under longer state.
(4) the driving structure of combination machine
Below, the driving structure (the driving structures of reaping apparatus 3, sheller unit 5, conveyer chain 6, tier pole chain 234, tier pole cutter 235 etc.) of combination machine is described with reference to Fig. 3.As shown in Figure 3, driving engine 14 output shaft 150 to its on the left of outstanding.The traveling input shaft 152 of gearbox body 88 is connected with the output shaft 150 of driving engine 14 by travelling rotating band 151, the rotary driving force of driving engine 14 is delivered to gearbox body 88 by the output shaft 150 from front side and after speed change, be delivered to the traveling crawler belt 2 of left and right by the axletree 153 of left and right, the traveling crawler belt 2 of left and right is by the torque actuated of driving engine 14.
As shown in Figure 3, the output shaft 150 that the right side to driving engine 14 is outstanding is provided with the cooling fan 154 of the radiator etc. for cooled engine 14.In addition, the output shaft 150 on the right side of driving engine 14 links discharge conveyer axle drive shaft 157, utilize the rotary driving force of driving engine 14 to drive discharge conveyer 8 by discharging conveyer axle drive shaft 157, the grain in grain box 7 is discharged to freight container etc.In addition, as shown in Figure 3, the thrashing screen of rotary driving force that each portion of sheller unit 5 comprises for transmitting driving engine 14 is elected to be the threshing axle drive shaft 160 that industry input shaft 165 and the rotary driving force for thrashing screen being elected to be industry input shaft 165 are delivered to threshing cylinder 226 and process cylinder 230.Thrashing screen is elected to be industry input shaft 165 and is connected with the output shaft 150 on the left of driving engine 14 by tension force roll shape threshing power-transfer clutch 161 and threshing rotating band 162.Threshing axle drive shaft 160 is configured with threshing cylinder low speed gear and threshing cylinder high speed gear.The torque that thrashing screen is elected to be industry input shaft 165 is delivered to threshing axle drive shaft 160 by threshing cylinder low speed gear or threshing cylinder high speed gear.
Threshing axle drive shaft 160 is linked with the cylinder shaft 163 of axle supporting threshing cylinder 226 and the process drum shaft 164 of axle supporting process cylinder 230 by threshing cylinder rotating band 117.Utilize the torque of the constant rotating speed of driving engine 14 that threshing cylinder 226 and process cylinder 230 are rotated with regulation rotating speed (low rotation speed or high speed rotating speed).In addition, utilize the torque of the constant rotating speed of driving engine 14, be elected to be that industry input shaft 165 makes swing screening plate 227 by thrashing screen, fan 228 of winnowing, conveyor 231, secondary conveyor 232, screening fan 241, dust discharge fan 230 rotate with constant rotating speed.
As shown in Fig. 3 ~ Fig. 5, gearbox body 88 is provided with and has 1 to keeping straight on the 1st Hydraulic Pump 55 and keeping straight on the hydraulic continuously variable transmission 53 of the craspedodrome of the 1st HM Hydraulic Motor 56 (travelling main transformer speed) and there is 1 hydraulic continuously variable transmission 54 to turning the 2nd Hydraulic Pump 57 and the turning turning of the 2nd HM Hydraulic Motor 58.The traveling input shaft 152 of gearbox body 88 is connected with the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57 and is driven by the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57 respectively.Gearbox body 88 is configured with PTO axle 99.PTO axle 99 utilizes the 1st HM Hydraulic Motor 56 to drive.The end side of PTO axle 99 is projecting to its left-external side from gearbox body 88.
The left side side of the driving engine 14 in travel machine body 1 and the front side of sheller unit 5 are provided with cone pulley case 89 (with reference to Fig. 3, Fig. 6, Fig. 7 and Fig. 9).The speed of a motor vehicle tuning shaft 100 that thrashing screen cone pulley case 89 is configured with above-mentioned threshing axle drive shaft 160, being connected with threshing axle drive shaft 160 is elected to be industry input shaft 165, be connected with PTO axle 99, to be elected to be harvesting transmission shaft 101 that industry input shaft 165 or speed of a motor vehicle tuning shaft 100 be connected with thrashing screen, the harvesting axle drive shaft 102 that is connected with harvesting input shaft 17, for driving conveyer chain 6 and passing on the conveyer chain axle drive shaft 103 of auxiliary root conveyer chain 136.Speed of a motor vehicle tuning shaft 100 in cone pulley case 89 is arranged the free-wheel clutch of the tuning torque of the speed of a motor vehicle for transmitting speed of a motor vehicle tuning shaft 100.Harvesting transmission shaft 101 is connected by gathering in change-speed box structure and free-wheel clutch and speed of a motor vehicle tuning shaft 100.Harvesting change-speed box structure has low speed side variable gear and high-speed side variable gear.The harvesting variable-speed operation parts of low speed, neutrality (zero rotates) and each harvesting speed change is at a high speed carried out in utilization, low speed side variable gear or high-speed side variable gear are alternatively fastened with harvesting transmission shaft 101, transmits harvesting speed change by harvesting change-speed box structure to harvesting transmission shaft 101 from speed of a motor vehicle tuning shaft 100 and export.
Harvesting transmission shaft 101 is elected to be industry input shaft 165 by constant rotating mechanism and thrashing screen and is connected.Constant rotating mechanism has the constant swing pinion of low speed side and the constant swing pinion of high-speed side.Harvesting axle drive shaft 102 is connected by torque limiter and harvesting transmission shaft 101.Harvesting input shaft 17 is connected with harvesting axle drive shaft 102 by harvesting driving pulley 124 and harvesting rotating band 125, and harvesting propulsive effort is delivered to reaping apparatus 3 from harvesting axle drive shaft 102.The rotation output maintaining the constant rotational speed needed for harvesting is elected to be industry input shaft 165 by the constant swing pinion of low speed side from thrashing screen and is delivered to harvesting transmission shaft 101.Therefore, it doesn't matter with the moving velocity of travel machine body 1, make harvesting input shaft 17 can maintain harvesting with the constant rotational speed action from the constant swing pinion of low speed side, the direction conversion process etc. of the headland (Japanese: pillow ground) in farmland can be improved.
In addition, the rotation of the constant rotational speed faster than the most high speed of the speed of a motor vehicle tuning operation from speed of a motor vehicle tuning shaft 100 and high-speed side variable gear exports, and is elected to be industry input shaft 165 is delivered to harvesting transmission shaft 101 by the constant swing pinion of high-speed side from thrashing screen.Therefore, harvesting input shaft 17 can be driven with the constant rotational speed from the constant swing pinion of high-speed side faster than the most high speed of speed of a motor vehicle tuning operation, can improve the harvesting etc. of the cereal bar that lodges.In addition, with the torque actuated harvesting input shaft 17 below the torque set by torque limiter, thus cutter 132 equivalent damage can be prevented.
Conveyer chain mechanical tuning device conveyer chain axle drive shaft 103 and thrashing screen being elected to be the planetary gear type variable speed structure that industry input shaft 165 is connected is provided with at cone pulley case 89.The rotation that thrashing screen is elected to be industry input shaft 165 exports and utilizes the rotating speed of conveyer chain mechanical tuning device and harvesting transmission shaft 101 pro rata after speed change, is delivered to conveyer chain axle drive shaft 103.Namely, make conveyer chain 6 by conveyer chain mechanical tuning device and pass on auxiliary root conveyer chain 136 action, thus the minimum speed (constant rotational speed from the constant swing pinion of low speed side) required for conveying of cereal bar can be guaranteed, again can with the speed of a motor vehicle tuning change conveyer chain 6 and pass on by the cereal bar delivery speed of auxiliary root conveyer chain 136.
As shown in Figure 3, harvesting input shaft 17 is linked with by longitudinal drive shaft 140, horizontal transmission shaft 141 and left feed drive axle 142 props up horizontal transmission shaft 143.Prop up horizontal transmission shaft 143 respectively and the prop up pointed tooth axle drive shaft 144 of respectively propping up housing 29 corresponding to six ridges be connected.Be equipped with above point standing grain framework 20 prop up housing 129 at the rear of grain separating body 225, prop up pointed tooth axle drive shaft 144 and give prominence to from the upper rear portion side of propping up housing 129.By prop up pointed tooth axle drive shaft 144 and prop up horizontal transmission shaft 143 drive be provided with multiple prop up pointed tooth 128 prop up pointed tooth chain 128a.As shown in Figure 3, horizontal transmission shaft 141 is linked with the cutter 132 of left and right by the bent axle 145 of left and right.The cutter 132 of left and right is made to drive the cutter 132 of left and right linkedly by horizontal transmission shaft 141.In addition, reaping apparatus 222 cedes territory to be formed with the cutter 132 of left and right at the middle body of the harvesting width corresponding to six ridges, the cutter 132 of left and right is moved back and forth in the opposite direction, can be cancelled out each other by the vibration (force of inertia) of the cutter 132 moving back and forth the left and right making generation.
As shown in Figure 3, the end side of the longitudinal drive shaft 140 in longitudinal drive housing 18 is connected with harvesting input shaft 17.Horizontal transmission shaft 141 in horizontal drive housing 19 is connected with another side of longitudinal drive shaft 140.From longitudinal drive shaft 140 and horizontal transmission shaft 141 to the torque of each drive division transmission harvesting input shaft 17 of cereal bar feedway 224.That is, right side feed drive axle 146 is linked with at longitudinal drive shaft 140.Right side root conveyer chain 133R, right side star gear 130R and right side is driven to hold together into band 131R and longitudinal conveyer chain 134 by longitudinal drive shaft 140 and right side feed drive axle 146.In addition, on the right side of the ratio of longitudinal drive shaft 140, feed drive axle 146 position is rearward linked with rear feed drive axle 147.Auxiliary root conveyer chain 135 and right side fringe point conveying pointed tooth 137R is driven by longitudinal drive shaft 140 and rear feed drive axle 147.
In addition, left side feed drive axle 142 is linked with in the left end side of horizontal transmission shaft 141.Left side root conveyer chain 133L and left side fringe point conveying pointed tooth 137L, left side star gear 130L and left side is driven to hold together into band 131L by left side feed drive axle 142.In addition, horizontal transmission shaft 141 is linked with central feed drive axle 148, drives central root conveyer chain 133C and central fringe point conveying pointed tooth 137C, central star gear 130C and central authorities to hold together into band 131C by central feed drive axle 148.
(5) the transmission of power structure of gearbox body
Below, the transmission of power structure of gearbox body 88 is described with reference to Fig. 3 and Fig. 4 etc.As shown in Figures 3 and 4, gearbox body 88 be provided with the hydraulic continuously variable transmission 53 of the craspedodrome (travelling main transformer speed) with a pair craspedodrome the 1st Hydraulic Pump 55 and craspedodrome the 1st HM Hydraulic Motor 56 and there is a pair turning the 2nd Hydraulic Pump 57 and turn with the hydraulic continuously variable transmission 54 of the turning of the 2nd HM Hydraulic Motor 58.The traveling input shaft 152 of gearbox body 88 is connected with the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57 respectively and is driven by the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57.Traveling input shaft 152 is provided with and travels input belt wheel 155, traveling input tape wheel 155 has been wrapping with and has travelled rotating band 151.Gearbox body 88 is configured with PTO axle 99.PTO axle 99 is driven by the 1st HM Hydraulic Motor 56 by craspedodrome motor drive shaft 60 and main transformer speed output tween drive shaft 70.The end side of PTO axle 99 is projecting to its left-external side from gearbox body 88.PTO axle 99 is provided with PTO belt wheel 119, PTO belt wheel 119 has been wrapping with PTO belt conveyor 120.
As shown in Figure 4, the propulsive effort exported from the output shaft 150 of driving engine 14 is delivered to the pump shaft 59 of the 1st Hydraulic Pump 55 and the pump shaft 59 of the 2nd Hydraulic Pump 57 respectively by travelling rotating band 151 and travelling input shaft 152.Adopt craspedodrome hydraulic continuously variable transmission 53, utilize the power being delivered to pump shaft 59, suitably send into working oil from the 1st Hydraulic Pump 55 towards the 1st HM Hydraulic Motor 56.Similarly, adopt turning hydraulic continuously variable transmission 54, utilize the power being delivered to pump shaft 59, suitably send into working oil from the 2nd Hydraulic Pump 57 towards the 2nd HM Hydraulic Motor 58.In addition, pump shaft 59 is provided with the charge pump 251 for supplying working oil to Hydraulic Pump 55,57 and HM Hydraulic Motor 56,58.
Craspedodrome hydraulic continuously variable transmission 53 is according to the angle of inclination being configured in the main shift lever 43 of operator's compartment 10, the operational ton of bearing circle 11 changes the swash plate 55a of adjustment the 1st Hydraulic Pump 55, by changing spue direction and the discharge-amount of working oil to the 1st HM Hydraulic Motor 56, and at random regulate the hand of rotation from the outstanding craspedodrome motor drive shaft 60 of the 1st HM Hydraulic Motor 56 and rotating speed.As shown in Figure 4, the rotary power of craspedodrome motor drive shaft 60 transmits gear 50 from craspedodrome and is delivered to demultiplicator structure 51.Demultiplicator structure 51 has the secondary speed change low speed gear 62 and secondary speed change high speed gear 63 that utilize secondary speed-change and gearshift device 64 to switch.The operation being configured in the secondary varying speed switch 44 of bar pier 47 is utilized the output speed of craspedodrome motor drive shaft 60 to be switched to low speed or these two grades of gears of high speed.In addition, between the low speed and high speed of secondary speed change, there is center position (output of secondary speed change is the position of zero).Secondary varying speed switch 44 has low speed switching push button, neutral switching push button and high speed switching push button to form.Utilize the pressing operation of low speed switching push button, neutral switching push button or high speed switching push button secondary speed change to be exported and alternatively switch to low speed output, neutral or speedy carding process.
As shown in Figure 4, the parking brake axle 65 (secondary speed change output shaft) of outgoing side being located at demultiplicator structure 51 is provided with the parking brake 66 of Wet-type multi-disc disc type.From demultiplicator structure 51 rotary power from the secondary speed change output gear 67 be fixed on parking brake axle 65 be delivered to left and right modified roll mechanism 52.The modified roll mechanism 52 of left and right has sun and planet gear 68 respectively.In addition, parking brake axle 65 arranges craspedodrome pulses generation rotary wheel 92, relatively configuring with pulses generation rotary wheel 92 with craspedodrome keeps straight on accelerating rotation sensor 93 (craspedodrome car speed sensor), utilizes craspedodromes to accelerate the rotating speed (output of the craspedodrome speed of a motor vehicle, secondary speed change output gear 67) of rotation sensor 93 detection craspedodrome output.
As shown in Figure 4, each sun and planet gear in left and right 68 comprises 1 sun wheel 71, the multiple planetary wheels 72 engaged with sun wheel 71, the inner gear 73 engaged with planetary wheel 72 respectively, multiple planetary wheel 72 is configured in same planetary gear carrier 74 circumferentially revolvably.The planetary gear carrier 74 of the sun and planet gear 68 of left and right separates appropriate intervals ground on the same axis and relatively configures.The sun wheel shaft 75 of sun wheel 71 being provided with left and right is fixed wtih central gear 76.Be concentrically be configured in sun wheel shaft 75 under the state that the internal tooth of each inner gear 73 within it side face of left and right engages with multiple planetary wheel 72.In addition, each inner gear 73 of left and right is connected with relay axis 85 by making the external tooth of its outer peripheral face engage with left and right turning output gear 86.Each inner gear 73 revolvably axle is bearing in the pressure differential output axle 77 of the left and right of giving prominence to the left and right from the lateral surface of planetary gear carrier 74.The pressure differential output axle 77 of left and right is connected by the axletree 153 of final gear 78a, 78b and left and right.The axletree 153 of left and right is provided with the drive sprocket 22 of left and right.Therefore, the rotary power of sun and planet gear 68 being delivered to left and right from demultiplicator structure 51 from the axletree 153 of left and right to each drive sprocket 22 with equidirectional same rotating speed transmission, utilize equidirectional same rotating speed to drive the traveling crawler belt 2 of left and right, thus make travel machine body 1 keep straight on (advance, retreat) mobile.
Turning hydraulic continuously variable transmission 54 is according to the angle of inclination being configured in the main shift lever 43 of operator's compartment 10, the operational ton of bearing circle 11 changes the swash plate 57a of adjustment the 2nd Hydraulic Pump 57, by changing spue direction and the discharge-amount of working oil to the 2nd HM Hydraulic Motor 58, and at random regulate the hand of rotation from the outstanding turning motor drive shaft 61 of the 2nd HM Hydraulic Motor 58 and rotating speed.In addition, steering intermediate shaft 80 described later arranges turning pulses generation rotary wheel 94, relatively configure with pulses generation rotary wheel 94 use of turning with turning and accelerate rotation sensor 95, utilize turning acceleration rotation sensor 95 (turning car speed sensor) to detect the rotating speed (the turning speed of a motor vehicle) turning to output of the 2nd HM Hydraulic Motor 58.
In addition, be provided with in gearbox body 88: the steering intermediate shaft 80 be located at the cutting brake 79 (brakeing during cornereing device) on turning motor drive shaft 61 (turning to input shaft), being connected by reducing gear 81 and turning motor drive shaft 61, by reducing gear 86 and steering intermediate shaft 80 be connected turn to output shaft 85, by counter gear 84 by the left input gear mechanism 82 turning to output shaft 85 and left inside gear 73 to link, the right input gear mechanism 83 that output shaft 85 and right inside gear 73 will be turned to link.The rotary power of turning motor drive shaft 61 is passed to steering intermediate shaft 80.The rotary power being passed to steering intermediate shaft 80 is delivered to left inside gear 73 by the left intermediate gear 87 of left input gear mechanism 82 and counter gear 84 as reversion rotary power, is delivered to right inside gear 73 by the right intermediate gear 87 of right input gear mechanism 83 as rotating forward rotary power.
When demultiplicator structure 51 is in neutrality, be prevented from from the transmission of power of the 1st HM Hydraulic Motor 56 sun and planet gear 68 to the left and right.When carrying out the secondary speed change beyond neutrality from demultiplicator structure 51 and exporting, by secondary speed change low speed gear 62 or secondary speed change high speed gear 63 from the 1st HM Hydraulic Motor 56 sun and planet gear 68 transferring power to the left and right.On the other hand, when the output of the 2nd Hydraulic Pump 57 is in intermediateness and cutting brake 79 is in on-state, be prevented from from the transmission of power of the 2nd HM Hydraulic Motor 58 sun and planet gear 68 to the left and right.In the state beyond the output of the 2nd Hydraulic Pump 57 mediates and cutting brake 79 is in off-state, the rotary power of the 2nd HM Hydraulic Motor 58 is delivered to left inside gear 73 by left input gear mechanism 82 and counter gear 84, and is delivered to right inside gear 73 by right input gear mechanism 83.
As a result, when the 2nd HM Hydraulic Motor 58 rotates forward (reversion), left inside gear 73 is with mutual rightabout same rotating speed reversion (rotating forward), and right inside gear 73 carries out rotating forward (reversion).That is, the speed change output from each motor drive shaft 60,61 is delivered to the drive sprocket 22 of the traveling crawler belt 2 of left and right respectively via demultiplicator structure 51 or modified roll mechanism 52 respectively, determines the speed of a motor vehicle (moving velocity) and the travel direction of travel machine body 1.Namely, under making the static fixing state of left and right inner gear 73 making the 2nd HM Hydraulic Motor 58 stop, when the 1st HM Hydraulic Motor 56 drives, rotation from craspedodrome motor drive shaft 60 exports and is delivered to left and right sun wheel 71 with the same rotating speed in left and right, drive the traveling crawler belt 2 of left and right by planetary wheel 72 and planetary gear carrier 74 with equidirectional same rotating speed, travel machine body 1 is kept straight on and travels.
On the contrary, under making the static fixing state of left and right sun wheel 71 making the 1st HM Hydraulic Motor 56 stop, when driving the 2nd HM Hydraulic Motor 58, utilize the rotary power from turning motor drive shaft 61 that left inside gear 73 is rotated forward (reversion), right inside gear 73 is carried out reverse (rotating forward).As a result, the side's forward rotation in the drive sprocket 22 of the traveling crawler belt 2 of left and right, the opposing party retreats rotation, travel machine body 1 travel direction conversion then and there (letter ground rotates).In addition, left and right sun wheel 71 is driven while utilize the 2nd HM Hydraulic Motor 58 to drive left and right inner gear 73 by utilizing the 1st HM Hydraulic Motor 56, make the speed of the traveling crawler belt 2 of left and right produce difference, travel machine body 1 advances or retreat with than believe the large turn radius of radius of rotation left or right rotation (U turning).Turn radius now determines according to the velocity contrast of the traveling crawler belt 2 of left and right.
(6) the hydraulic circuit structure of combination machine
Below, the hydraulic circuit structure of combination machine is described with reference to Fig. 5.As shown in Figure 5, the hydraulic circuit 250 of combination machine comprises the 1st Hydraulic Pump 55 of craspedodrome and the 1st HM Hydraulic Motor 56, the 2nd Hydraulic Pump 57 of turning and the 2nd HM Hydraulic Motor 58 and charge pump 251.1st Hydraulic Pump 55 is connected by loop-like craspedodrome oil circuit 252 with the 1st HM Hydraulic Motor 56.2nd Hydraulic Pump 57 is connected by loop-like turning oil circuit 253 with the 2nd HM Hydraulic Motor 58.Utilize driving engine 14 to drive the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57, utilize the swash plate angle of the control of the swash plate angle of the 1st Hydraulic Pump 55 or the 2nd Hydraulic Pump 57 to control to make the 1st HM Hydraulic Motor 56 or the 2nd HM Hydraulic Motor 58 forward or reverse action.
On the other hand, have and the M/C of the above-mentioned bearing circle 11 electromagnetic liquid die mould convertible valve 270 that changes of TURP and the steering cylinder 271 that is connected with above-mentioned charge pump 251 by electromagnetic liquid die mould convertible valve 270 accordingly.When switching electromagnetic liquid die mould convertible valve 270 accordingly with the deflection angle of the bearing circle 11 utilizing steering angle sensor 402 to detect, steering cylinder 271 carries out action and changes the angle of the swash plate 57a of the 2nd Hydraulic Pump 57, the rotating speed of the turning motor drive shaft 61 of the 2nd HM Hydraulic Motor 58 infinitely changed or makes the turning motor drive shaft 61 of the 2nd HM Hydraulic Motor 58 carry out the left and right turn action of reversing, thus travel direction being changed to the left and right and headland conversion direction in farmland or revise travel path.In addition, there is the hydraulic servo mechanism 275 turned to, by the angular adjustment action of swash plate 57a, hydraulic servo mechanism 275 is utilized to carry out the feedback action making electromagnetic liquid die mould convertible valve 270 recover neutral, the operational ton of the angle of swash plate 57a and bearing circle 11 is changed pro rata, thus changes the rotating speed of turning with motor drive shaft 61 of the 2nd HM Hydraulic Motor 58.
In addition, as shown in Figure 5, be provided with and the M/C of the above-mentioned main shift lever 43 electromagnetic liquid die mould speed-change valve 272 that changes of TURP and the speed change cylinder 273 that is connected with above-mentioned charge pump 251 by electromagnetic liquid die mould speed-change valve 272 accordingly.When switching electromagnetic liquid die mould speed-change valve 272 accordingly with the operational ton of the main shift lever 43 detected by main transformer speed sensor 401, speed change cylinder 273 carries out action and changes the angle of the swash plate 55a of the 1st Hydraulic Pump 55, carries out the traveling gear shifting operation rotating speed of the craspedodrome motor drive shaft 60 of the 1st HM Hydraulic Motor 56 infinitely being changed or the craspedodrome motor drive shaft 60 of the 1st HM Hydraulic Motor 56 is reversed.In addition, hydraulic circuit 250 has the hydraulic servo mechanism 277 travelling speed change, by the angular adjustment action of swash plate 55a, hydraulic servo mechanism 277 is utilized to carry out the feedback action making electromagnetic liquid die mould speed-change valve 272 recover neutral, the operational ton of the angle of swash plate 55a and main shift lever 43 is changed pro rata, thus change the craspedodrome rotating speed of motor drive shaft 60 of the 1st HM Hydraulic Motor 56, utilize the operation of main shift lever 43 to make to advance before and after craspedodrome motor drive shaft 60 rotation.
In addition, as shown in Figure 5, there is the hydraulic pressure harvesting speed change cylinder 280 of the responsiveness for switching reaping apparatus 3 and make reaping apparatus 3 with the hydraulic pressure of constant rotational speeds action harvesting constant speed cylinder 281.Hydraulic pressure harvesting speed change cylinder 280 and hydraulic pressure harvesting constant speed cylinder 281 are configured in the upper cover (oil circuit seat) of cone pulley case 89.Make the harvesting speed-change valve 282 of harvesting speed change cylinder 280 action and the harvesting constant speed valve 283 of harvesting constant speed cylinder 281 action arranged respectively with above-mentioned charge pump 251 hydraulic connecting.
(7) the transmission of power structure of driving engine, gearbox body and cone pulley case
Below, the transmission of power structure of driving engine 14, gearbox body 88 and cone pulley case 89 is described with reference to Fig. 1 ~ Fig. 3 and Fig. 6 ~ Fig. 9.As shown in Figure 1, Figure 2 and shown in Fig. 6 ~ Fig. 8, driving engine 14 is mounted in the upper right of travel machine body 1, and gearbox body 88 is arranged on the front of the left and right width midway of travel machine body 1, and cone pulley case 89 is configured in the upper left side of face of travel machine body 1.Be supported with output pulley 149 at the left end axle of the output shaft 150 extended in left-right direction of driving engine 14, be wrapping with between the traveling input belt wheel 155 and output pulley 149 of the left upper portion of gearbox body 88 and travelled rotating band 151.Adopt this formation, the output of driving engine 14 can be delivered to respectively each hydraulic continuously variable transmission 53,54 of gearbox body 88.
On the other hand, cylindrical frame 290 for discharge conveyer 8 being bearing in storage (non-operation) position erects on travel machine body 1, can rotate freely the earth's axis be supported with PTO tween drive shaft 121 at the front surface of the base end part of this cylindrical frame 290 by bearing body 291.PTO belt conveyor 120 has been wrapping with between PTO belt wheel 119 on the downside of the traveling input belt wheel 155 of the left upper portion of the reverse belt wheel 122a of the PTO on PTO tween drive shaft 121 and gearbox body 88.In addition, the tuning band 123 of the speed of a motor vehicle has been wrapping with between the reverse belt wheel 122b of the PTO on PTO tween drive shaft 121 and the tuning belt wheel of the speed of a motor vehicle 104 being fixed on the speed of a motor vehicle tuning shaft 100 of cone pulley case 89.Adopt this formation, the speed of a motor vehicle tune drive power of gearbox body 88 can be delivered to speed of a motor vehicle tuning shaft 100 from PTO axle 99.
In addition, the output pulley 149 on the output shaft 150 of driving engine 14 and be wrapping with threshing rotating band 162 between the threshing driving pulley 118 being elected to be on industry input shaft 165 at the fixing thrashing screen of cone pulley case 89.In addition, there is the threshing power-transfer clutch electrical motor 175 as threshing enter drive switching threshing power-transfer clutch 161.By making the action of threshing power-transfer clutch electrical motor 175, and make threshing power-transfer clutch 161 carry out ON Action, thus threshing rotating band 162 can be maintained tensioning state, the output of driving engine 14 can be delivered to cone pulley case 89, on the other hand, utilize the disconnection action of threshing power-transfer clutch 161 that threshing rotating band 162 is maintained relaxed state, thus be cut off from driving engine 14 to the output transmission of cone pulley case 89.
The rear of the driving engine 14 in travel machine body 1 is configured with clutch unit chassis 176, and clutch unit chassis 176 is provided with threshing power-transfer clutch made-and-break 177, and on clutch unit chassis 176, be provided with threshing power-transfer clutch electrical motor 175.Threshing power-transfer clutch electrical motor 175 is connected by the tension arm (omit and illustrate) of threshing power-transfer clutch made-and-break 177 with supporting threshing power-transfer clutch 161.Threshing power-transfer clutch electrical motor 175 is configured in the thrashing screen being supported on cone pulley case 89 across axle and is elected to be threshing driving pulley 118 on industry input shaft 165 side contrary with cone pulley case 89.In this case, not needing the space of guaranteeing in cone pulley case 89 side for arranging threshing power-transfer clutch electrical motor 175 or threshing power-transfer clutch made-and-break 177, therefore, threshing driving pulley 118 can be supported with being close with the right side of cone pulley case 89.Can not by restrictions such as threshing power-transfer clutch electrical motor 175 or threshing power-transfer clutch made-and-breaks 177, do not need the high rigidization etc. being elected to be the bearing construction of the prolongation of industry input shaft 165 with thrashing screen, the threshing driving pulley 118 in the large footpath that can set large converter speed ratio (reduction ratio) can be set simply.
(8) general structure of gearbox body
Below, the general structure of gearbox body 88 is described with reference to Fig. 9 ~ Figure 11 and Figure 19 ~ Figure 21.The gearbox body 88 being arranged on the front of the left and right width midway of travel machine body 1 is the two segmentation structures freely split along left and right up and down longlyer.The gearbox body 88 of this two segmentations structure utilizes the link of multiple bolt to be configured to hollow roughly box-shaped.The hydraulic speed-changing housing 350 of built-in keep straight on use and turning hydraulic continuously variable transmission 53,54 is installed in the upper side (being right flank top in embodiments) of the side, left and right one of gearbox body 88.In this case, craspedodrome hydraulic continuously variable transmission 53 (the 1st Hydraulic Pump 55 and the 1st HM Hydraulic Motor 56) is positioned at the front side of hydraulic speed-changing housing 350, and turning hydraulic continuously variable transmission 54 (the 2nd Hydraulic Pump 57 and the 2nd HM Hydraulic Motor 58) is positioned at the rear side of hydraulic speed-changing housing 350.Contain in the inside of gearbox body 88 and use Fig. 4 that the train of gears that such demultiplicator structure 51, modified roll mechanism 52 are such is described.
The bottom of gearbox body 88 is protruding and forked outstanding downwards with two along left and right, is roughly formed as front and sees roughly door shape.Axle housing 351 is outwardly had along left and right with bolt link respectively downwards at the gear case 349 given prominence to from the left and right sides basifacial of gearbox body 88.In the axle housing 351 of left and right, axle is supported with axletree 153 revolvably respectively, is provided with drive sprocket 22 in the nose portion of each axletree 153.The bottom of two gears case 349 is positioned at the position on the lower, bottom than gearbox body 88, and the bottom of gearbox body 88 is higher than the axle housing 351 of the left and right of giving prominence to from each gear case 349.
In addition, as shown in figure 25, the involutory surface of the bottom of gearbox body 88 is linked up by the link of the bolt 389 of gearbox body 88 private side.By adopting such structure, when manufacturing each semi-cut body of gearbox body 88, the direction of its parting semi-cut body overall common (parting direction can be a direction), therefore can be sought parting and simplify and suppress manufacturing cost.In addition, although the outer shape bottom gearbox body 88 is two segmentation structure continuous print shapes, therefore, the link rigidity of gearbox body 88 (semi-cut body each other) can be improved, the higher effect suppressing to leak working oil from gearbox body 88 can be played.
In addition, as shown in figure 26, spline part 390 is formed with at the position by axle housing 351 of the nose portion of each axletree 153.The rotating center section of drive sprocket 22 can be slided and can not be fitted together to (spline is fitted together to) with the relative rotation at spline part 390.By being screwed into nut 394 than spline part 390 bolt part 391 is in the outer part entrenched in after inner circumferential side has the anticreep packing ring 392 of liner 393, can prevent drive sprocket 22 from deviating to the left and right from the nose portion of axletree 153.Due to the existence of the liner 393 of anticreep packing ring 392, between the spline part 390 that muddy water etc. can be suppressed to invade axletree 153 and the rotating center section of drive sprocket 22.The opening portion of axle housing 351 front is entrenched in the sleeve liner 395 of the root of axle housing 351 side of spline part 390 and annular seal body 396 blocks.Sleeve liner 395 has the outwardly portion 395a outstanding along axletree 153 direction to both sides.Therefore, the gauge along axletree 153 direction of sleeve liner 395 is larger than the gauge of annular seal body 396.Outwardly the locating ring 398 of the rotating center section side of portion 395a and drive sprocket 22 and bearing body 397 side of axle bearing axle 153 touches.Utilize the contiguity of above-mentioned outwardly portion 395a to construct, muddy water can be suppressed to invade in axle housing 351, leak grease from bearing body 397 etc., improve the leak tightness of axle housing 351.
In addition, as shown in Fig. 6 ~ Fig. 9 and Figure 19 ~ Figure 21, be extruded with to lateral outer side from the side (being left surface top in embodiments) of the side contrary with hydraulic speed-changing housing 350 of gearbox body 88 and travel input shaft 152, this traveling input shaft 152 can be connected with the 1st Hydraulic Pump 55 and the 2nd Hydraulic Pump 57 on transferring power ground.The traveling input belt wheel 155 being fixed on the protruding end portion travelling input shaft 152 is wrapping with the traveling rotating band 151 be wound around on the output pulley 149 of driving engine 14.PTO belt wheel 119 is provided with in the side, protruding end of the PTO axle 99 outstanding to lateral outer side from the left surface top of gearbox body 88.PTO belt wheel 119 is positioned at the downside travelling input belt wheel 155, PTO belt wheel 119 and be positioned at its rear the reverse belt wheel 112a of PTO on be wrapping with PTO belt conveyor 120.Be provided with between PTO belt wheel 119 and the reverse belt wheel 122a of PTO and abut against with PTO belt conveyor 120 from below, for PTO belt conveyor 120 being remained on the tension force belt wheel 352 of tensioning state.Tension force belt wheel 352 can be supported on the bearing body 291 of cylindrical frame 290 up and down rotationally, utilizes the application force of spring to make PTO belt conveyor 120 always tensioning.
The below of the PTO axle 99 of the left side face of gearbox body 88 to be provided with using a part to the state exposed outside to accelerate with the craspedodrome as craspedodrome output detections parts of craspedodrome pulses generation rotary wheel 92 associated in gearbox body 88 rotation sensor 93 (craspedodrome car speed sensor) and in the same manner as accelerate rotation sensor 95 (turning car speed sensor) with the turning as turning output detections parts of turning pulses generation rotary wheel 94 associated.As shown in Figure 10, two acceleration rotation sensors 93,95 configure side by side along front and back.In this case, two accelerate rotation sensors 93,95 stretches out between bottom left at PTO axle 99 and gearbox body 88, and craspedodromes is accelerated rotation sensor 93 and be positioned at front side, on rear side of turning acceleration rotation sensor 95 is positioned at.The directing plate 353 of the roughly lid opened in right flank side and following side is installed by bolt link at the position of two acceleration rotation sensors 93,95 of the left side face of gearbox body 88.Therefore, the two directed plates 353 of outer circumferential side accelerating rotation sensor 93,95 cover.When forming in this wise, utilize a directing plate 353, the infringement of the earth that two acceleration rotation sensors 93,95 can be protected simply to be wrapping with from traveling crawler belt 2 etc.In addition, also can contribute to suppressing number of parts and reducing assembling operation man-hour.In addition, the distribution of each acceleration rotation sensor 93,95 (omitting diagram) also can be kept in wider scope.
As shown in Figure 10, the upper surface part of the directing plate 353 of embodiment is in the shape tilted with front-low-rear-high shape.Therefore, be mounted in the earth on directing plate 353 etc. easily in skewed upper surface part landing, can effectively prevent earth etc. to be deposited on directing plate 353.The right flank side of directing plate 353 is by the face blocking of the left side of gearbox body 88, and the following side of directing plate 353 is blocked by the top side that bottom is stretched out on a left side for gearbox body 88.In addition, the left and right width dimensions of directing plate 353 is set as that directing plate 353 is housed in the size of the degree between the left side face of gearbox body 88 and PTO belt wheel 119 when front is seen.In addition, as shown in Fig. 8 and Figure 10, when side is seen, the position overlapped with tension force belt wheel 352 of directing plate 353 is in side, left and right one (being left side face in embodiments) the intilted shape (aduncate shape) towards PTO axle 99 side of gearbox body 88.When forming in this wise, the interference between directing plate 353 and tension force belt wheel 352 can be avoided, and the densification of left and right Width can be sought with the power-transmission system (PTO) from gearbox body 88 relatively.In addition, interfere in this point also effective at the lifting hydraulic actuating cylinder 4 avoided be positioned near tension force belt wheel.
As previously mentioned, craspedodrome hydraulic continuously variable transmission 53 (the 1st Hydraulic Pump 55 and the 1st HM Hydraulic Motor 56) is being provided with the front side of bolt link in the hydraulic speed-changing housing 350 on the right flank top of gearbox body 88.Rear side in hydraulic speed-changing housing 350 is provided with turning hydraulic continuously variable transmission 54 (the 2nd Hydraulic Pump 57 and the 2nd HM Hydraulic Motor 58).In the toe lateral of hydraulic speed-changing housing 350, in the mode be connected with the hydraulic circuit 250 (with reference to Fig. 5) in hydraulic speed-changing housing 350, be assembled with the electromagnetic liquid die mould speed-change valve 272 as electric drive of the swash plate 55a action making speed change cylinder 273 relative to the 1st Hydraulic Pump 55 and make their modularity.In addition, in the front face side of hydraulic speed-changing housing 350, be provided with forward the straight-ahead operation axle 355 of the emergency manual operation tool as craspedodrome highlightedly, the swash plate 55a that this straight-ahead operation axle 355 manually operates the 1st Hydraulic Pump 55 manually changes spue direction and the discharge-amount of working oil to the 1st HM Hydraulic Motor 56.If make straight-ahead operation axle 355 operate around its axis rotation, then separately can change the angle of inclination of the swash plate 55a of the 1st Hydraulic Pump 55 with the electric control of electromagnetic liquid die mould speed-change valve 272, spue direction and the discharge-amount of working oil to the 1st HM Hydraulic Motor 56 can be changed.In embodiments, straight-ahead operation axle 355 and electromagnetic liquid die mould speed-change valve 272 are configured in the front face side of hydraulic speed-changing housing 350 along left-right situs.
In the rear portion side of hydraulic speed-changing housing 350, in the mode be connected with the hydraulic circuit 250 (with reference to Fig. 5) in hydraulic speed-changing housing 350, be assembled with the electromagnetic liquid die mould convertible valve 270 of the swash plate 57a action making steering cylinder 271 relative to the 2nd Hydraulic Pump 57 and make their modularity.In addition, after the side direction below of hydraulic speed-changing housing 350, be provided with the cornering operation axle 356 of the emergency manual operation tool as turning highlightedly, the swash plate 57a that this cornering operation axle 356 manually operates the 2nd Hydraulic Pump 57 manually changes spue direction and the discharge-amount of working oil to the 2nd HM Hydraulic Motor 58.If make cornering operation axle 356 operate around its axis rotation, then separately can change the angle of inclination of the swash plate 57a of the 2nd Hydraulic Pump 57 with the electric control of electromagnetic liquid die mould convertible valve 270, spue direction and the discharge-amount of working oil to the 2nd HM Hydraulic Motor 58 can be changed.In embodiments, be configured in the side below of hydraulic speed-changing housing 350 cornering operation axle 356 and electromagnetic liquid die mould convertible valve 270 left-right situs.
As shown in figs. 6-9, the pedal 357 of travel machine body 1 is positioned at a side (be left side side at embodiment) of gearbox body 88.Hydraulic speed-changing housing 350 is between pedal 357 and gearbox body 88.Storage battery 358 is equipped with in the inside surrounded by framework of pedal 357.Foreign side is open to the left and right for the storage battery receiving space 359 of pedal 357, and from the left side of pedal 357, the straight-ahead operation axle 355 of hydraulic speed-changing housing 350 front face side is with faced by the storage battery receiving space 359 of pedal 357.Hand can be stretched into storage battery receiving space 359 from the left side of pedal 357, and from the straight-ahead operation axle 355 (with reference to Fig. 9) of outside M/C hydraulic speed-changing housing 350 front face side of travel machine body 1.
When utilizing the speed change output based on the switching action adjustment craspedodrome hydraulic continuously variable transmission 53 of the electromagnetic liquid die mould speed-change valve 272 of the instruction of speed change steering controller 400 described later, the switching action action linkedly of straight-ahead operation axle 355 and electromagnetic liquid die mould speed-change valve 272.In embodiments, utilize the switching action of the electromagnetic liquid die mould speed-change valve 272 of the instruction based on speed change steering controller 400, make speed change cylinder 273 carry out action, thus change the angle of the swash plate 55a of the 1st Hydraulic Pump 55.So, along with the change of the angle of swash plate 55a, straight-ahead operation axle 355 automatically (with swash plate 55a interlock) around its axis rotation.That is, the swash plate 55a interlock of the 1st Hydraulic Pump 55 is passed through in the action of electromagnetic liquid die mould speed-change valve 272 and straight-ahead operation axle 355.
In addition, when utilizing the speed change output regulating turning with hydraulic continuously variable transmission 54 based on the switching action of the electromagnetic liquid die mould convertible valve 270 of the instruction of speed change steering controller 400, cornering operation axle 356 carries out action linkedly with the switching action of electromagnetic liquid die mould convertible valve 270.In embodiments, utilize the switching action of the electromagnetic liquid die mould convertible valve 270 of the instruction based on speed change steering controller 400, make steering cylinder 271 carry out action, thus change the angle of the swash plate 57a of the 2nd Hydraulic Pump 57.So, along with the change of the angle of swash plate 57a, cornering operation axle 355 automatically (with swash plate 57a interlock) around its axis rotation.That is, the swash plate 57a interlock of the 2nd Hydraulic Pump 57 is passed through in the action of electromagnetic liquid die mould convertible valve 270 and cornering operation axle 356.
Each operating axis 355,356 does not carry out under normal circumstances operating, producing the parts carrying out the emergency contact-avoidance operated the electric systems relevant with speed change course changing control such as exception produce bad at such as speed change steering controller 4000.Even if when producing this electrical malfunction, if each operating axis 355,356 of manual rotation operation, then under main shift lever 43, the out-of-action state of bearing circle 11, such as, also can perform and make combination machine from farmland, exit such limping pattern driving (driving of shrinking back).Therefore, in combination machine, add the options of reply emergency situation, play the effect contributing to the operability improving combination machine.In addition, adopt limping pattern to drive, can temporarily make advance before and after combination machine and deal with problems.Therefore, from the left side of pedal 357, the straight-ahead operation axle 355 of hydraulic speed-changing housing 350 front face side, at least can M/C straight-ahead operation axle 355 from the outside of travel machine body 1 with faced by the storage battery receiving space 359 of pedal 357.
As shown in Figures 10 and 11, the craspedodrome lever indicator 361 of the manual rotation operation easily carrying out straight-ahead operation axle 355 is detachably installed in the side, protruding end of straight-ahead operation axle 355.In addition, similarly, the turning lever indicator 362 of the manual rotation operation easily carrying out cornering operation axle 356 is detachably installed in the side, protruding end of cornering operation axle 356.Craspedodrome lever indicator 361 can form the emergency manual operation tool (action display body) of craspedodrome together with straight-ahead operation axle 355, and turning lever indicator 362 also can form the emergency manual operation tool (action display body) of turning together with cornering operation axle 356.Adopt this formation, when utilizing the switching action of electromagnetic liquid die mould speed-change valve 272, electromagnetic liquid die mould convertible valve 270 to regulate the speed change output of craspedodrome hydraulic continuously variable transmission 53 or turning hydraulic continuously variable transmission 54, if install aforesaid each lever indicator 361,362 in advance, then according to the angle of the action of each lever indicator 361,362 swash plate 55a, 57a of each Hydraulic Pump 55,57 of visual confirmation simply, and then the operating state of each hydraulic continuously variable transmission 53,54 can be confirmed.At main shift lever 43 and the link structure between bearing circle 11 and two hydraulic continuously variable transmissions 53,54 without machinery to when carrying out electric control between them, easily find as soon as possible and main shift lever 43 and bearing circle 11 and two hydraulic continuously variable transmissions 53,54 relevant action failures.
In embodiments, when manual rotation operation each operating axis 355,356, by forbidding this electric control (speed change course changing control), forbid the speed change Drazin inverse of each hydraulic continuously variable transmission 53,54 of the switching action based on electromagnetic liquid die mould speed-change valve 272 and electromagnetic liquid die mould convertible valve 270.In the process performing speed change course changing control, manually rotating operation any one operating axis 355,356 time, above-mentioned speed change course changing control is forced to terminate, and can not carry out the switching action of the electromagnetic liquid die mould speed-change valve 272 corresponding to the operational ton of main shift lever 43, bearing circle 11 and electric hydraulic pressure shape convertible valve 270.Further, be set as once cut off combination machine power supply and again connect would not revert to speed change course changing control.Therefore, when manual rotation operation each operating axis 355,356, the speed change Drazin inverse of each hydraulic continuously variable transmission 53,54 undertaken by electromagnetic liquid die mould speed-change valve 272 and electric hydraulic pressure shape convertible valve 270 can not and deposit, therefore, each hydraulic continuously variable transmission 53,54 and travel machine body 1 can be reliably avoided to carry out the worry of unstable movement on the contrary with the intention of chaufeur.Can guarantee manual rotation operation each operating axis 355,356 time driving safety.
As shown in Figure 10, the oil-feed port 365 of working oil supply is provided with in the front of the PTO belt wheel 119 of the left surface of the gearbox body 88 also worked as operating oil tank.Oil-feed port 365 is by blocking for oil cap 366 of loading and unloading.In addition, at the left surface of gearbox body 88, in the below of oil-feed port 365 and the position lower than PTO belt wheel 119 is provided with inspection oil window 367 for confirming the work oil mass in gearbox body 88 from external view.If when overhauling before use, change working oil time observe inspection oily window 367, can confirm whether the work oil mass in gearbox body 88 arrives the height and position examining oily window 367 simply.The inspection oil window 367 of embodiment is positioned at than left gear case 349, position that directing plate 353 is high.Change or supplementary working oil time, under the state that reaping apparatus 3 opens rotation to horizontal outside centered by the longitudinal axis 300, be positioned at the oil-feed port 365 of the left surface of gearbox body and examine oily window 367 and expose.Further, opening and closing operations, for oil cap 366, is observed the inspection oil window 367 being positioned at same side with oil-feed port 365 and is supplied working oil from oil-feed port 365 to gearbox body 88.Like this, in embodiments, owing to there is oil-feed port 365 at the midway height and position of above-below direction of the gearbox body 88 doubling as operating oil tank, therefore, only oil to be supplied to immediately below oil-feed port 365, i.e. the maximum pasta height H m shown in long and short dash line of Figure 10.
As shown in figure 11, at the right flank of gearbox body 88, at the inspection rear of oily window 367 and the set of locations lower than PTO belt wheel 119 is equipped with nutschfilter 368 for filtering working oil.The nutschfilter 368 of embodiment is positioned at the rear of right gear case 349 and it is closely close to, for filtering the working oil of the bottom side of gearbox body 88.Therefore, examine oily window 367 and lay respectively at relative position all around with the modified roll mechanism 52 that nutschfilter 368 clips the downside being positioned at gearbox body 88 inside.Nutschfilter 368 is connected with the charge pump 251 of the outside being installed on hydraulic speed-changing housing by the induction pipe 369 vertically extended.Charge pump 251 is driven rotation by the pump shaft 59 of the 2nd Hydraulic Pump 57.The working oil of the bottom side of gearbox body 88 utilizes the driving of charge pump 251 to be inhaled into charge pump 251 via nutschfilter 368 and induction pipe 369, and is fed into each oil circuit 252,253,257 etc. of hydraulic circuit 250.
(9) hydraulic servo mechanism of hydraulic continuously variable transmission and peripheral construction thereof
Below, main hydraulic servo mechanism 277,275 and the peripheral construction thereof that hydraulic continuously variable transmission 53,54 is described with reference to Figure 22 ~ Figure 25.Travel the speed change hydraulic servo mechanism 277 of (the 1st Hydraulic Pump 55 is used) and turn to the hydraulic servo mechanism 275 of use (the 2nd Hydraulic Pump 57 is used) to be set to be front and back symmetry shapes, to be all substantially identical structure relative to the front and back of hydraulic speed-changing housing 350.
As shown in figure 22, the hydraulic servo mechanism 277 travelling speed change is built-in with in the toe lateral of hydraulic speed-changing housing 350.Travel the hydraulic servo mechanism 277 of speed change to comprise as regulating the speed change cylinder 273 of cylinder and being configured in the inside of this speed change cylinder 273 and there is the electromagnetic liquid die mould speed-change valve 272 of speed change traveller 440.The speed change cylinder room 441 of speed change cylinder 273 is formed in the front inner of hydraulic speed-changing housing 350.The speed change piston 442 of speed change cylinder 273 can slide up and down to be housed in speed change cylinder room 441.The bearing pin 443 given prominence to from the swash plate 55a of the 1st Hydraulic Pump 55 is entrenched in the side of speed change piston 442.The speed change traveller 440 of electromagnetic liquid die mould speed-change valve 272 can be slidably inserted in the through hole of the axial portions running through speed change piston 442.The oil circuit be communicated with the upper and lower of speed change cylinder room 441 is formed in speed change piston 442.This oil circuit utilizes the sliding up and down of speed change traveller 440 based on the switching action of electromagnetic liquid die mould speed-change valve 272 to be communicated with or to cut off, to upper and lower grease chamber's supply working oil of speed change piston 442.Up and down grease chamber supply working oil as a result, speed change piston 442 slides up and down in speed change cylinder room 441, the angle of the swash plate 55a of the 1st Hydraulic Pump 55 can be changed.
As shown in Figure 22 ~ Figure 25, in the front face side of hydraulic speed-changing housing 350, the built-in proportional control shell 444 making the proportional control valve 445 of electromagnetic liquid die mould speed-change valve 272 switching action is detachably installed near speed change cylinder room 441.The proportional control traveller 446 being positioned at the proportional control valve 445 of proportional control shell 444 is configured to slide up and down in the same manner as speed change piston 442.Speed change traveller 440 associates with proportional control traveller 446 (interlock link) is that connecting pin 448 interlock of end side by being located at traveller motion arm 447 moves (sliding up and down).That is, make the end side of connecting pin 448 be sticked in the bottom of speed change traveller 440, make another side of connecting pin 448 be sticked in the middle part up and down of proportional control traveller 446.The proportional control screw actuator 449 for making proportional control traveller 446 slide up and down is provided with in proportional control shell 444.Proportional control screw actuator 449 is excitation when operating main shift lever 43, makes proportional control traveller 446 slide up and down pro rata with this operational ton.The length middle part of connecting pin 448 is fixed on the end side of traveller motion arm 447.Being provided with at the other end pleurapophysis of traveller motion arm 447 manually can the straight-ahead operation axle 355 of rotating operation.The straight-ahead operation axle 355 of embodiment is given prominence to forward from the front surface of proportional control shell 444.
Proportional control screw actuator 449 makes proportional control traveller 446 slide up and down with the operational ton of main shift lever 43 accordingly, thus speed change traveller 440 similarly slides up and down by connecting pin 448, make speed change piston 442 action of speed change cylinder 273, change the angle of the swash plate 55a of the 1st Hydraulic Pump 55.In this case, the action (sliding up and down) of connecting pin 448 and two travellers 440,446 moves up and down linkedly, and therefore, traveller motion arm 447 rotates up and down around straight-ahead operation axle 355 (with straight-ahead operation axle 355 for rotating fulcrum).As a result, straight-ahead operation axle 355 and the action of speed change traveller 440 are correspondingly around its axis rotation.On the contrary, when manually rotating operation straight-ahead operation axle 355, traveller motion arm 447 rotates up and down and connecting pin 448 is moved up and down centered by straight-ahead operation axle 355.Therefore, speed change traveller 440 slides up and down, make speed change piston 442 action of speed change cylinder 273, separately can change the angle of the swash plate 55a of the 1st Hydraulic Pump 55 with the electric control of electromagnetic liquid die mould speed-change valve 272, spue direction and the discharge-amount of working oil to the 1st HM Hydraulic Motor 56 can be changed.
On the other hand, as shown in figure 22, the hydraulic servo mechanism 275 turned to is built-in with in the rear portion side of hydraulic speed-changing housing 350.The hydraulic servo mechanism 275 turned to comprises as regulating the steering cylinder 271 of cylinder and being configured in the inside of this steering cylinder 271 and having the electromagnetic liquid die mould convertible valve 270 turning to traveller 450.The steering cylinder room 451 of steering cylinder 271 is formed in the posterior medial of hydraulic speed-changing housing 350.The steering piston 452 of steering cylinder 271 can slide up and down to be housed in steering cylinder room 451.The bearing pin 453 given prominence to from the swash plate 57a of the 2nd Hydraulic Pump 57 is entrenched in the side of steering piston 452.The traveller 450 that turns to of electromagnetic liquid die mould convertible valve 270 can be slidably inserted in the through hole of the axial portions running through steering piston 452.The oil circuit that the upper and lower of steering cylinder room 451 is communicated with is formed in steering piston 452.This oil circuit is communicated with by the sliding up and down of traveller 450 that turn to of the switching action based on electromagnetic liquid die mould convertible valve 270 or is cut off, to upper and lower grease chamber's supply working oil of steering piston 452.Working oil is supplied to upper lower oil chamber as a result, steering piston 452 slides up and down in steering cylinder room 451, the angle of the swash plate 57a of the 2nd Hydraulic Pump 57 can be changed.
As shown in Figure 22 ~ Figure 24, in the side below of hydraulic speed-changing housing 350, near steering cylinder room 451, the built-in proportional control shell 454 making the proportional control valve 455 of electromagnetic liquid die mould convertible valve 270 switching action is detachably installed.The proportional control traveller 456 being positioned at the proportional control valve 455 of proportional control shell 454 is configured to slide up and down in the same manner as steering piston 452.Turn to traveller 450 to associate (interlock link) with proportional control traveller 456 for connecting pin 458 interlock by the end side of being located at traveller motion arm 457 to move (sliding up and down).That is, make the end side of connecting pin 458 be sticked in the bottom turning to traveller 450, make another side of connecting pin 458 be sticked in the middle part up and down of proportional control traveller 456.The proportional control screw actuator 459 (with reference to Figure 10) for making proportional control traveller 456 slide up and down is provided with in proportional control shell 454.Proportional control screw actuator 459 is excitation when direction of operating dish 11, makes proportional control traveller 456 slide up and down pro rata with this operational ton.The length middle part of connecting pin 458 is fixed on the end side of traveller motion arm 457.Being provided with at the other end pleurapophysis of traveller motion arm 457 manually can the cornering operation axle 356 of rotating operation.The cornering operation axle 356 of embodiment is given prominence to backward from the rear surface of proportional control shell 454.
Proportional control screw actuator 459 makes proportional control traveller 456 slide up and down with the operational ton of bearing circle 11 accordingly, thus turn to traveller 450 similarly to slide up and down by connecting pin 458, make steering piston 452 action of steering cylinder 271, the angle of the swash plate 57a of the 2nd Hydraulic Pump 57 can be changed.In this case, the action (sliding up and down) of connecting pin 458 and two travellers 450,456 moves up and down linkedly, and therefore, the traveller motion arm 457 curved operating axis 356 (with cornering operation axle 356 for rotating fulcrum) that rotates is rotated up and down.As a result, cornering operation axle 356 with turn to the action of traveller 450 correspondingly around its axis rotation.On the contrary, when manually rotating operation cornering operation axle 356, traveller motion arm 457 rotates up and down and connecting pin 458 is moved up and down centered by cornering operation axle 356.Therefore, traveller 450 is turned to slide up and down, make steering piston 452 action of steering cylinder 271, separately can change the angle of the swash plate 57a of the 2nd Hydraulic Pump 57 with the electric control of electromagnetic liquid die mould convertible valve 270, spue direction and the discharge-amount of working oil to the 2nd HM Hydraulic Motor 58 can be changed.
(10) the speed change course changing control of combination machine
Below, the speed change course changing control of combination machine (travel machine body 1) is described with reference to Figure 27 and Figure 28.Be mounted in the speed change steering controller 400 as function unit in travel machine body 1, based on the Detection Information of the main transformer speed sensor 401 of the operational ton for detecting main shift lever 43 and the steering angle sensor 402 for the deflection angle that detects bearing circle 11, blocked operation electromagnetic liquid die mould speed-change valve 272 and electromagnetic liquid die mould convertible valve 270, thus perform the adjustment speed of a motor vehicle of travel machine body 1 and the speed change course changing control of travel direction.That is, in embodiments, construct at main shift lever 43 and the link between bearing circle 11 and two hydraulic continuously variable transmissions 53,54 without machinery, and execution is to the speed change course changing control of steering-by-wire mode carrying out electric control between them.Not shown in detail, but speed change steering controller 400 is except comprising the CPU for performing various calculation process, control, also comprise for the EEPROM of storage control program, data, flash memories, for temporary transient storage control program, data RAM and enter output interface etc.
At least be connected with at the input side of speed change steering controller 400: the main transformer speed sensor 401 detecting the operational ton of main shift lever 43; For detecting the steering angle sensor 402 of the deflection angle of bearing circle 11; Secondary speed change is exported alternatively switch to low speed to export, the secondary varying speed switch 44 of neutral or speedy carding process; For detecting the threshing switch 403 of the on off mode of threshing power-transfer clutch 161; For detecting the harvesting switch 404 of the serviceability of harvesting variable-speed operation parts (harvesting speed change clutch); For detecting the engine rotation speed sensor 405 of the rotative speed (camshaft location of output shaft 150) of driving engine 14; For craspedodrome acceleration rotation sensor 93 (craspedodrome car speed sensor) of rotating speed (the craspedodrome speed of a motor vehicle, secondary speed change output gear 67 export), i.e. the speed change output of craspedodrome hydraulic continuously variable transmission 53 that the craspedodrome detecting the 1st HM Hydraulic Motor 56 exports; Rotation sensor 95 (turning car speed sensor) etc. is accelerated in the turning of rotating speed (the turning speed of a motor vehicle), i.e. the speed change output of turning hydraulic continuously variable transmission 54 of output that turns to for detecting the 2nd HM Hydraulic Motor 58.
At least be connected with at the outgoing side of speed change steering controller 400: as the electromagnetic liquid die mould speed-change valve 272 making speed change cylinder 273 relative to the electric drive of the swash plate 55a action of the 1st Hydraulic Pump 55; As the electromagnetic liquid die mould convertible valve 270 making steering cylinder 271 relative to the electric drive of the swash plate 57a action of the 2nd Hydraulic Pump 57; Make the harvesting speed-change valve 282 of harvesting speed change cylinder 280 action; Make the harvesting constant speed valve 283 of harvesting constant speed cylinder 281 action; Make the threshing power-transfer clutch electrical motor 175 etc. of threshing power-transfer clutch 161 on-off action.
By making the electric switching action of electromagnetic liquid die mould speed-change valve 272 accordingly with the M/C of main shift lever 43, thus make speed change cylinder 273 action and change the angle of the swash plate 55a of the 1st Hydraulic Pump 55, the traveling gear shifting operation (front and back advance switching action) of carrying out making the stepless change of rotating speed of the craspedodrome motor drive shaft 60 of the 1st HM Hydraulic Motor 56 or the craspedodrome motor drive shaft 60 of the 1st HM Hydraulic Motor 56 being reversed.In addition, by making the electric switching action of electromagnetic liquid die mould convertible valve 270 accordingly with the M/C of bearing circle 11, thus make steering cylinder 271 action and change the angle of the swash plate 57a of the 2nd Hydraulic Pump 57, the left and right turn action that the turning motor drive shaft 61 carrying out making the stepless change of rotating speed of the turning motor drive shaft 61 of the 2nd HM Hydraulic Motor 58 or make the 2nd HM Hydraulic Motor 58 reverses, by changing travel direction and headland conversion direction in farmland to the left and right or revising travel path.In addition, the neutral action of (keep straight on and maintain operation) and demultiplicator structure 51 is operated by the neutrality of bearing circle 11, turning motor drive shaft 61 is maintained halted state (can not slew mode) and the output of the 2nd HM Hydraulic Motor 58 is stopped by cutting brake 79, turning is exported and stops.
In the speed change course changing control shown in the diagram of circuit of Figure 28, speed change steering controller 400 reads in the detected value (S1) of main transformer speed sensor 401, steering angle sensor 402 and secondary varying speed switch 44, in addition, if carry out neutrality operation (S2: yes) to secondary varying speed switch 44, then carry out turning and export stopping control, and cutting brake 79 is braked, the 2nd HM Hydraulic Motor 58 is stopped (S3).If carry out the operation (S2: no) beyond neutrality to secondary varying speed switch 44, then next judge whether main shift lever 43 is positioned at center position (S4).If main shift lever 43 is positioned at center position (S4: yes), then performs aforesaid turning and export stopping control (S3).If carry out the operation (S4: no) beyond center position to main shift lever 43, then next judge the deflection angle (S5) of bearing circle 11, if bearing circle 11 is positioned at center position (keep straight on and maintain position) (S5: yes), then correspondingly make the electric switching action of electromagnetic liquid die mould speed-change valve 272 with the operational ton of main shift lever 43, perform and make travel machine body 1 control (S6) along the speed change traveling of advancing or direction of retreat craspedodrome travels.If bearing circle 11 to be operated to the position (S5: no) beyond neutrality, then correspondingly make the electric switching action of electromagnetic liquid die mould convertible valve 270 with the operational ton of main shift lever 43 and bearing circle 11, perform the left and right turn that the travel direction of travel machine body 1 is changed to the left and right and control (S7).
Therefore, manually rotating operation any one operating axis 355,356 time (S8: yes), speed change steering controller 400 is forced to terminate above-mentioned speed change course changing control (S9), can not carry out the electromagnetic liquid die mould speed-change valve 272 corresponding to the operational ton of main shift lever 43, bearing circle 11 and the switching action of electromagnetic liquid die mould convertible valve 270.Further, be set as once temporarily disconnected combination machine power supply and again connect would not revert to speed change course changing control.Therefore, when manual rotation operation each operating axis 355,356, the speed change Drazin inverse of each hydraulic continuously variable transmission 53,54 undertaken by electromagnetic liquid die mould speed-change valve 272 and electromagnetic liquid die mould convertible valve 270 can not and deposit, as previously mentioned, each hydraulic continuously variable transmission 53,54 and travel machine body 1 can be reliably avoided to carry out the worry of unstable movement on the contrary with the intention of chaufeur.Can guarantee manual rotation operation each operating axis 355,356 time driving safety.
(11) internal structure of gearbox body
Below, the main internal structure that gearbox body 88 is described with reference to Figure 22 ~ Figure 25.As shown in figure 22, the bottom side in gearbox body 88 is configured with the sun and planet gear 68 forming modified roll mechanism 52, along being configured with demultiplicator structure 51 and relay axis 85 in tandem above sun and planet gear 68.Between sun and planet gear 68 and the above-below direction of relay axis 85 and rear side is configured with the S. A. of counter gear 84.Between sun and planet gear 68 and the fore-and-aft direction of relay axis 85 and upper side is configured with main transformer speed output tween drive shaft 70, be configured with steering intermediate shaft 80 at the rear side of main transformer speed output tween drive shaft 70.Be configured with craspedodrome motor drive shaft 60 at the upper side of main transformer speed output tween drive shaft 70, be configured with turning motor drive shaft 61 at the upper side of steering intermediate shaft 80.Turning motor drive shaft 61 is provided with the cutting brake 79 as oil-immersed multi-disk brake and reducing gear 81.Be configured with the pump shaft 59 of the 1st Hydraulic Pump 55 at the upper side of craspedodrome motor drive shaft 60, be configured with the pump shaft 59 of the 2nd Hydraulic Pump 57 at the upper side of turning motor drive shaft 61.Between the fore-and-aft direction of two pump shafts and upper side be configured with travel input shaft 152.
In addition, as shown in figure 22, the rear side of the sun and planet gear 68 of the bottom in gearbox body 88 is configured with the oil filter 430 be connected with nutschfilter 368.The separation rib 431 that the surrounding of oil filter 430 is formed on the bottom in gearbox body 88 surrounds.The entrance hole 432 of working oil importing is formed in the upper surface side of separation rib 431.Therefore, separation rib 431 is utilized oil filter 430 and sun and planet gear 68 to be cut off, the working oil of oil filter 430 periphery can be prevented by the Stirring of sun and planet gear 68, and the bubble (air) that the rotation (stirring) because of sun and planet gear 68 can be suppressed to be mixed in working oil is inhaled into oil filter 430.And, because entrance hole 432 is formed in the upper surface side of separation rib 431, therefore, bubble from the region in separation rib 431 sheds on configuration preferably, oil filter 430 also can be made at that point not easily to suck bubble.
As shown in figure 23, the oil-feed port 365 of working oil supply is positioned at the craspedodrome motor drive shaft 60 of the left surface of gearbox body 88 and the front of PTO axle 99.Therefore, in gearbox body 88, the pump shaft 59 of craspedodrome, the pump shaft 59 of turning, craspedodrome motor drive shaft 60, turning motor drive shaft 61 and these 5 axles of traveling input shaft 152 are positioned at the upper side of oil-feed port 365.That is, these 5 axles 59,59,60,61,152 are immersing non rotating under the state in working oil, correspondingly can seek to suppress to stir resistance.
As shown in figure 23, offer and return hydraulic fluid port 410 for reclaiming for what return from the working oil outside gearbox body 88 in the upper surface side (being surface, upper left toe lateral in embodiments) of gearbox body 88.Upper side in gearbox body 88, be inwardly equipped with as by the working oil returned from gearbox body 88 from a pair strengthening rib 411,412 returning the guide body that hydraulic fluid port 410 guides to cutting brake 79.In this case, on the left internal side top of gearbox body 88, be inwardly equipped with for supporting the craspedodrome hub portion 413 kept straight on the bearing portion of the pump shaft 59 of (the 1st Hydraulic Pump 55).Craspedodrome hub portion 413 is connected integratedly with conveyor side strengthening rib 411.Conveyor side strengthening rib 411 tilts to cutting brake 79 to the oblique back lower place from returning hydraulic fluid port 410 in the mode that cutting brake 79 side is low.On the left internal side top of gearbox body 88, be inwardly equipped with for supporting the turning hub portion 414 turned with the bearing portion of the pump shaft 59 of (the 2nd Hydraulic Pump 57).Further, turning hub portion 414 is connected integratedly with receiver side strengthening rib 412.Receiver side strengthening rib 412 tilts to oblique front lower place in the mode that cutting brake 79 side is low.Two strengthening ribs 411,412 are seen as the funnel-form of inswept in the right flank cutaway view of Figure 13, and cutting brake 79 is positioned at narrow tip.
Mainly utilize the guiding of conveyor side strengthening rib 411 from returning the working oil that hydraulic fluid port 410 wanders and be transported to cutting brake 79, dropping on cutting brake 79.As a result, cutting brake 79 is forced oiling and lubricated in way at work.Therefore, no matter the work oil mass in gearbox body 88 is how many, the injection flow to the cutting brake 79 be not immersed in working oil can be suppressed not enough.In addition, due to not by the working oil quantitative limitation in gearbox body 88, therefore, cutting brake 79 can be set the position be not immersed in working oil in gearbox body 88.That is, improve the solenoidal Design freedom of cutting brake 79.And two strengthening ribs 411,412 are seen as the funnel-form of inswept at the right flank cutaway view of Figure 13, therefore this narrow part can play the effect of oil groove, also there is the advantage that stably can supply working oil to cutting brake 79.In addition, guide from the working oil returning hydraulic fluid port 410 to cutting brake 79 owing to utilizing two strengthening ribs 411,412 for the rigidity guaranteeing gearbox body 88, therefore, the rigidity guaranteeing gearbox body 88 and both the oiling functions improved to cutting brake 79 can be realized with low cost.In addition, be formed for guiding the working oil come to distribute to the connectivity slot 415 of the bearing portion of the pump shaft 59 of craspedodrome by being transferred side stringer 411 leaning in a part for conveyor side strengthening rib 411 of craspedodrome hub portion 413.
As shown in FIG. 22 and 23, be connected with for from outside towards the return pipeline 416 of gearbox body 88 transportation work oil at the hydraulic fluid port 410 that returns of gearbox body 88.Branch line 417 is extended with from the root side branch close to gearbox body 88 of return pipeline 416.Branch line 417 is connected with the position of the cutting brake 79 of gearbox body 88 left surface.The return pipeline 416 of embodiment is connected with the hydraulic fluid port 410 that returns of gearbox body 88 by bifurcation connector 418.Further, the end side of branch line 417 is connected with bifurcation connector 418, and another side of branch line 417 is connected with the position of the cutting brake 79 of gearbox body 88 left surface.
From such as Figure 22 and Figure 23, branch line 417 is positioned at the outside of gearbox body 88, and the left outside side along gearbox body 88 extends.In other words, branch line 417 is external relative to gearbox body 88.One of the working oil returned from gearbox body 88 is delivered directly to cutting brake 79.Remaining working oil is transported in gearbox body 88, utilizes two strengthening ribs 411,412 to be directed on cutting brake 79.That is, cutting brake 79 be injected into via branch line 417 working oil and by two strengthening ribs 411,412 guide come working oil and lubricated.Therefore, even if do not change the shape of gearbox body 88 especially, the injection flow that also can solve simply in combination to the cutting brake 79 be not immersed in working oil with the existence of two strengthening ribs 411,412 is not enough.
As shown in figure 24, PTO hub portion 420 is provided with integratedly on the left surface top of gearbox body 88.In PTO hub portion 420 by pair of bearings body 421,422 revolvably axle be supported with PTO axle 99.End winding support in the gearbox body 88 of PTO axle 99 has the PTO gear 423 receiving rotary power from the main transformer speed output tween drive shaft 70 be positioned at below it.The craspedodrome on the right flank top being located at gearbox body 88 integratedly transmit in hub portion 424 by bearing body 425 revolvably axle be supported with the craspedodrome rotated integrally with craspedodrome motor drive shaft 60 and transmit gear 50.PTO gear 423 by PTO axle 99 with the state support of cantilever beam, similarly, keep straight on transmit gear 50 by craspedodrome with motor drive shaft 60 with the state support of cantilever beam.Transfer from craspedodrome motor drive shaft 60 to the transmission of power of PTO axle 99 at main transformer speed output tween drive shaft 70.Therefore, PTO gear 423 and craspedodrome can be made to transmit gear 50 and to be in the position relationship (with reference to Figure 23) overlapped when (axis direction is seen) is seen in side.As a result, PTO gear 423 and the PTO axle 99 configuration degree of freedom relative to gearbox body 88 can be improved.
As shown in figure 24, the work oil groove 426 between the two bearings body 421,422 that the upper side in PTO hub portion 420 is formed for the working oil in gearbox body 88 being imported to PTO axle 99.Between two bearings body 421,422 in PTO hub portion 420, give prominence to the stop part 427 being formed with the length direction middle part surrounding PTO axle 99 towards PTO axle 99 ground.The entrance side of work oil groove 426 is formed in the top of the bearing body 422 by gearbox body 88 inside.Rotate downstream at the PTO gear 423 of entrance side of work oil groove 426 and be provided with guiding rib 428 for working oil being directed to work oil groove 426 side.Therefore, working oil can be injected into the bearing body 421 outside close to PTO belt wheel 119 and lubricate, effectively guarantee the lubricity of the PTO axle 99 with large load.In addition, due to the existence of stop part 427, working oil is easy to the periphery of the bearing body 421 accumulated in by PTO belt wheel 119, can improve the lubricity of PTO axle 99 further.In addition, due to the existence of guiding rib 428, easily the splashing oil of PTO gear 423 can be transported to work oil groove 426 side.
As shown in figure 25, the rotating center section of final gear 78b can be slided and can not be fitted together to (spline is fitted together to) with the relative rotation and is being formed at the cardinal extremity spline part 434 of base end part side of each axletree 153.Each axletree 153 than cardinal extremity spline part 434 position more in the inner part by bearing body 436 revolvably axle be bearing in the hub cylinder portion, inner side 435 being formed at gear case 349.Each cardinal extremity spline part 434 by axle housing 351 position by single-side sealing bearing body 438 revolvably axle be bearing in the hub cylinder portion, outside 437 being formed at axle housing 351.Therefore, do not use the oil sealing of high price, the lower side of gearbox body 88 just can be made simply to be in sealing state.In addition, owing to not needing oil sealing, therefore, can number of parts be reduced, and also can improve the assembling operation of axletree 153.
(12) sum up
By above-mentioned record and Figure 10, Figure 11 and Figure 21 is known, for by above-mentioned hydraulic continuously variable transmission 53, the side surface upper part that the speed change of 54 exports the gearbox body 88 in the traveling portion 2 being delivered to left and right is provided with the hydraulic continuously variable transmission 53 of the power speed changing be built-in with for making driving engine 14, in the working truck of the hydraulic speed-changing housing 350 of 54, be configured with for receiving from the input belt wheel 155 of the power of above-mentioned driving engine 14 and by from above-mentioned hydraulic continuously variable transmission 53 on the top, another side of above-mentioned gearbox body 88, the speed change of 54 exports the PTO belt wheel 119 driven, the oil-feed port 365 of working oil supply is provided with in the front of the above-mentioned PTO belt wheel 119 of the another side of above-mentioned gearbox body 88, therefore, when to above-mentioned gearbox body 88 fuel feeding, do not need the top oil cylinder such as the collecting working oil of weight thing being raised to higher above-mentioned gearbox body 88, fuel feeding operation is simple, and the burden of operator can be reduced in fuel feeding operation.
In addition, owing to there is above-mentioned oil-feed port 365 at the midway height and position of above-below direction of the above-mentioned gearbox body 88 doubling as operating oil tank, therefore, only oil can be supplied to immediately below above-mentioned oil-feed port 365 and (working oil can not be supplied to and exceed above-mentioned oil-feed port 365).Therefore, in above-mentioned gearbox body 88, the oil more than requirement can not be supplied superfluously, can reliably suppress the power waste (rotational resistance of train of gears 51,52) in the above-mentioned gearbox body 88 that caused by too much work oil mass to become large worry.And the upper side in above-mentioned gearbox body 88 can not be full of working oil, therefore, in above-mentioned gearbox body 88, working oil is easy to flowing, and the face area of the part do not contacted with working oil of above-mentioned gearbox body 88 is compared with the past large especially.Utilize the radiating effect of the flowing power of such working oil, the above-mentioned part do not contacted with working oil, also can suppress working oil overall temperature rise.
From above-mentioned record and Figure 10 and Figure 11, in the another side of above-mentioned gearbox body 88, in the below of above-mentioned oil-feed port 365 and the position lower than above-mentioned PTO belt wheel 119 be provided with inspection oily window 367, therefore, the above-mentioned inspection oil window 367 being arranged in same side with above-mentioned oil-feed port 365 can be observed and supply working oil (easily confirming above-mentioned inspection oil window 367 at Fuel injection system) from above-mentioned oil-feed port 365 to above-mentioned gearbox body 88.Therefore, compared with the past, fuel feeding operation becomes easy especially.In addition, in a side of above-mentioned gearbox body 88, at the rear of above-mentioned inspection oil window 365 and the position lower than above-mentioned PTO belt wheel 119 is provided with nutschfilter 368, therefore, above-mentioned inspection oil window 367 and above-mentioned nutschfilter 368 lay respectively at clip the downside being positioned at above-mentioned gearbox body 88 inside train of gears 52 along position relative all around.Namely, in above-mentioned gearbox body 88, effectively can utilize the inner space on the downside of above-mentioned oil-feed port 365, configure above-mentioned inspection oil window 367 and above-mentioned nutschfilter 368 expeditiously, when checking the work oil mass in above-mentioned gearbox body 88 from above-mentioned inspection oil window 367, the existence of above-mentioned nutschfilter 368 can not become interference.
By above-mentioned record and Figure 10, Figure 11, Figure 18 and Figure 21 is known, the reaping apparatus 3 opening rotation centered by the longitudinal axis 300 being positioned at the front left of above-mentioned travel machine body 1 to horizontal outside is provided with in the front portion of travel machine body 1, under the state making above-mentioned reaping apparatus 3 open rotation to horizontal outside, the above-mentioned oil-feed port 365 and the above-mentioned inspection oil window 367 that are positioned at the left surface of above-mentioned gearbox body 88 expose, therefore, if make above-mentioned reaping apparatus 3 open rotation to horizontal outside, then can there is larger working space at the above-mentioned oil-feed port 365 of above-mentioned gearbox body 88 and the periphery of above-mentioned inspection oil window 367.Therefore, improve extraordinarily use before maintenance, the such above-mentioned gearbox body 88 of fuel feeding operation upkeep operation.
From above-mentioned record and Figure 10, comprise the straight-ahead operation instrument 43 for changing the craspedodrome speed operating above-mentioned travel machine body 1, for changing the cornering operation instrument 11 of the direct of travel operating above-mentioned travel machine body 1, for regulating above-mentioned hydraulic continuously variable transmission 53, the electric drive 272 that the speed change of 54 exports, 270, with above-mentioned each operation tool 43, the operational ton of 11 correspondingly drives above-mentioned electric drive 272, the function unit 400 of 270, at above-mentioned hydraulic continuously variable transmission 53, 54 are provided with and above-mentioned electric drive 272, 270 separately its speed change of M/C export emergency manual operation tool 355, 356, therefore, when such as above-mentioned function unit 400 produces abnormal such electrical malfunction, if the above-mentioned emergency manual operation tool 355 of M/C, 356, at above-mentioned straight-ahead operation instrument 43, under the out-of-action state of above-mentioned cornering operation instrument 11, also can perform and such as make combination machine from farmland, exit such limping pattern driving (driving of shrinking back).Therefore, in combination machine, add the options of reply emergency situation, play the effect contributing to the operability improving combination machine.
From above-mentioned record and Figure 10, when utilizing above-mentioned electric drive 272,270 to regulate the above-mentioned speed change of above-mentioned hydraulic continuously variable transmission 53,54 to export, the driving action linkedly of above-mentioned emergency manual operation tool 355,356 (361,362) and above-mentioned electric drive 272,270, therefore, the operating state of above-mentioned hydraulic continuously variable transmission 53,54 can be confirmed simply according to the action of above-mentioned emergency manual operation tool 355,356 (361,362).At above-mentioned straight-ahead operation instrument 43 and the link structure between above-mentioned cornering operation instrument 11 and above-mentioned hydraulic continuously variable transmission 53,54 without machinery to when carrying out electric control between them, play the effect found as soon as possible with above-mentioned straight-ahead operation instrument 43 and above-mentioned cornering operation instrument 11 and above-mentioned hydraulic continuously variable transmission 53,54 relevant action failures.
From above-mentioned record and Figure 15 ~ Figure 17, when M/C above-mentioned emergency manual operation tool 355,356, forbid the above-mentioned electric drive 272 that above-mentioned function unit 400 carries out, the drived control of 270, therefore, when M/C above-mentioned emergency manual operation tool 355,356, the speed change Drazin inverse of the above-mentioned hydraulic continuously variable transmission structure 53,54 undertaken by above-mentioned electric drive 272,270 can not and deposit.Therefore, above-mentioned hydraulic continuously variable transmission structure 53,54 and above-mentioned travel machine body 1 can be reliably avoided to carry out the worry of unstable movement on the contrary with the intention of chaufeur.Play can guarantee M/C above-mentioned emergency manual operation tool 355,356 time the effect of driving safety.
From above-mentioned record and Figure 10, Figure 11, Figure 27 and Figure 28, when M/C above-mentioned emergency manual operation tool 355,356, forbid the drived control of the above-mentioned electric drive 272,270 that above-mentioned function unit 400 carries out, therefore, when M/C above-mentioned emergency manual operation tool 355,356, the speed change Drazin inverse of the above-mentioned hydraulic continuously variable transmission 53,54 undertaken by above-mentioned electric drive 272,270 can not and deposit.Therefore, reliably can guarantee that above-mentioned hydraulic continuously variable transmission 53,54 and above-mentioned travel machine body 1 carry out the worry of unstable movement on the contrary with the intention of chaufeur.Play can guarantee M/C above-mentioned electric drive 272,270 time the effect of driving safety.
From above-mentioned record and Figure 12 ~ Figure 15, comprise above-mentioned hydraulic continuously variable transmission 53, 54, for the above-mentioned Hydraulic Pump 55 of gearshift adjustment, the adjustment cylinder 273 of 57, 271, make above-mentioned adjustment cylinder 273, the 271 reciprocating electromagnetic liquid die mould valves 272 as above-mentioned electric drive, 270, make above-mentioned electromagnetic liquid die mould valve 272, the proportional control valve 445 of 270 switching action, 455, above-mentioned electromagnetic liquid die mould valve 272, the traveller 440 of 270, 450 and aforementioned proportion control cock 445, the proportional control traveller 446 of 455, 456 are associated as by being located at traveller motion arm 447, the connecting pin 448 of the end side of 457, 458 interlocks move, at above-mentioned traveller motion arm 447, another side of 457 is provided with manually can the operating axis 355 as above-mentioned emergency manual operation tool of rotating operation, 356, with above-mentioned two travellers 440, 446 (450, 456) action linkedly, above-mentioned connecting pin 448, 458 make above-mentioned traveller motion arm 447, 457 with above-mentioned operating axis 355, 356 is center of turn rotation, thus aforesaid operations axle 355, 356 rotate, and therefore, can make by aforementioned proportion control cock 445, the above-mentioned Hydraulic Pump 55 of 455 variable speed control, the remote handing of 57 constructs and passes through aforesaid operations axle 355, the above-mentioned Hydraulic Pump 55 of 356 variable speed control, the M/C of 57 constructs and deposits.
Therefore, when above-mentioned remote handing (electric control), the operating state of above-mentioned two travellers 440,446 (450,456) can be confirmed according to the rotary state of aforesaid operations axle 355,356.In addition, even if when creating electrical malfunction, if manual rotation operation aforesaid operations axle 355,356, then under main shift lever 43, the out-of-action state of bearing circle 11, can perform and such as make working truck (combination machine) from farmland, exit such limping pattern driving (driving of shrinking back).Therefore, in working truck, add the options of reply emergency situation, also contribute to the operability improving working truck.
From above-mentioned record with Figure 12 ~ Figure 15, comprise and be built-in with above-mentioned hydraulic continuously variable transmission 53, 54, above-mentioned adjustment cylinder 273, 271 and above-mentioned electromagnetic liquid die mould valve 272, the hydraulic speed-changing housing 350 of 270, there is aforementioned proportion control cock 445, 455, above-mentioned traveller motion arm 447, 457 and aforesaid operations axle 355, the proportional control shell 444 of 356, 454, to make above-mentioned electromagnetic liquid die mould valve 272, the traveller 440 of 270, 450 and aforementioned proportion control cock 445, the proportional control traveller 446 of 455, 456 modes be close, detachably be arranged on the lateral surface of above-mentioned hydraulic speed-changing housing 350, therefore, by above-mentioned adjustment cylinder 273, 271 and above-mentioned electromagnetic liquid die mould valve 272, 270 be assembled in the state on above-mentioned hydraulic speed-changing housing 350 under, aforementioned proportion can be loaded and unloaded relative to above-mentioned hydraulic speed-changing housing 350 and control shell 444, 454.Namely, due to above-mentioned hydraulic speed-changing housing 350 and aforementioned proportion are controlled shell 444,454 separate units in advance, therefore can reduce number of parts during assembling, aforementioned proportion can be improved and control assembling operation, the upkeep operation of shell 444,454 relative to above-mentioned hydraulic speed-changing housing 350.
From above-mentioned record and Figure 23, comprise for making the hydraulic continuously variable transmission 54 of the power speed changing of driving engine 14 and the gearbox body 88 for the speed change of above-mentioned hydraulic continuously variable transmission 54 being exported the traveling portion 2 being delivered to left and right, there is the oil-immersed multi-disk brake 79 that the speed change for braking above-mentioned hydraulic continuously variable transmission 54 exports in above-mentioned gearbox body 88, above-mentioned oil-immersed multi-disk brake 79 is positioned at the top of the work pasta of above-mentioned gearbox body 88, return the upper surface side opening of hydraulic fluid port 410 at above-mentioned gearbox body 88, by the working oil returned from above-mentioned gearbox body 88 from the above-mentioned guide body 411 returned hydraulic fluid port 410 and guide towards above-mentioned oil-immersed multi-disk brake 79, 412 are located in above-mentioned gearbox body 88, therefore, return the working oil that hydraulic fluid port 410 wanders utilize above-mentioned guide body 411 from above-mentioned, the guiding of 412 and be transported on above-mentioned oil-immersed multi-disk brake 79, drop on above-mentioned oil-immersed multi-disk brake 79.As a result, way is lubricated by oiling forcibly at work for above-mentioned oil-immersed multi-disk brake 79.Therefore, no matter the work oil mass in above-mentioned gearbox body 88 is how many, can plays and suppress to the above-mentioned effect stating the injection flow deficiency of oil-immersed multi-disk brake 79 be not immersed in working oil.In addition, due to not by the working oil quantitative limitation in above-mentioned gearbox body 88, therefore, above-mentioned oil-immersed multi-disk brake 79 can be set the position be not immersed in working oil in above-mentioned gearbox body 88.That is, also there is the advantage that the solenoidal Design freedom that improves above-mentioned oil-immersed multi-disk brake 79 is such.
From above-mentioned record and Figure 23, the strengthening rib 411,412 be projected in above-mentioned gearbox body 88 is utilized to form above-mentioned guide body, therefore, for guaranteeing that the above-mentioned strengthening rib 411,412 of the rigidity of above-mentioned gearbox body 88 is directed to above-mentioned oil-immersed multi-disk brake 79 by from the above-mentioned working oil returning hydraulic fluid port 410.Therefore, the rigidity that can realize guaranteeing above-mentioned gearbox body 88 with low cost and the effect improved to both oiling functions of above-mentioned oil-immersed multi-disk brake 79 is played.
From above-mentioned record and Figure 22 and Figure 23, return pipeline 416 is connected with at the above-mentioned hydraulic fluid port 410 that returns of above-mentioned gearbox body 88, be connected from the branch line 417 of above-mentioned return pipeline 416 branch with the position of the above-mentioned oil-immersed multi-disk brake 79 of above-mentioned gearbox body 88, above-mentioned branch line 417 is positioned at the outside of above-mentioned gearbox body 88, therefore, above-mentioned oil-immersed multi-disk brake 79 is injected into via the working oil of above-mentioned branch line 417 and is guided the working oil that comes and lubricated by above-mentioned guide body 411,412.Therefore, even if do not change the shape of above-mentioned gearbox body 88 especially, the effect solving the injection flow deficiency to above-mentioned oil-immersed multi-disk brake 79 with the existence of above-mentioned guide body 411,412 in combination simply also can be played.
The invention is not restricted to aforesaid embodiment, various mode can be embodied as.Such as, the invention is not restricted to foregoing combination machine, the various working trucks that the special operation vehicle of the agricultural operation machinery, crane locomotive etc. of traction machine, rice transplanter etc. is such can be widely used for.In addition, the structure in each portion is not limited to graphic embodiment, can carry out various change without departing from the spirit and scope of the invention.
Description of reference numerals
1 travel machine body, 14 driving engines, 11 bearing circle (cornering operation instrument), 43 main shift levers (straight-ahead operation instrument), 53 craspedodrome hydraulic continuously variable transmissions, 54 turning hydraulic continuously variable transmissions, 55, 57 Hydraulic Pumps, 56, 58 HM Hydraulic Motor, 88 gearbox bodys, 119PTO belt wheel, 155 travel input belt wheel, 270 electromagnetic liquid die mould convertible valves, 271 steering cylinders, 272 electromagnetic liquid die mould speed-change valves, 273 speed change cylinders, 350 hydraulic speed-changing housings, 355 straight-ahead operation axles, 356 cornering operation axles, 365 oil-feed ports, the oily window of 367 inspection, 368 nutschfilters, 400 speed change steering controllers (function unit), 440 speed change travellers, 441 speed change cylinder rooms, 442 speed change pistons, 443, 453 bearing pins, 444, 454 proportional control shells, 445, 455 proportional control valves, 446, 456 proportional control travellers, 447, 457 traveller motion arms, 448, 458 connecting pins, 449, 459 proportional control screw actuators.
Claims (7)
1. a working truck, hydraulic speed-changing housing is arranged on a side surface upper part of gearbox body by it, this hydraulic speed-changing housing is built-in with the hydraulic continuously variable transmission of the power speed changing for making driving engine, this gearbox body is used for the speed change of above-mentioned hydraulic continuously variable transmission to export the traveling portion being delivered to left and right, wherein
Be configured with the input belt wheel received from the power of above-mentioned driving engine on the top, another side of above-mentioned gearbox body and export with the speed change utilized from above-mentioned hydraulic continuously variable transmission the PTO belt wheel carrying out driving, the oil-feed port of working oil supply is provided with in the front of the above-mentioned PTO belt wheel of the another side of above-mentioned gearbox body
In the another side of above-mentioned gearbox body, in the below of above-mentioned oil-feed port and the position lower than above-mentioned PTO belt wheel is provided with the oily window of inspection, and in a side of above-mentioned gearbox body, at the rear of above-mentioned inspection oil window and the position lower than above-mentioned PTO belt wheel is provided with nutschfilter,
Also have in above-mentioned gearbox body and the oil-immersed multi-disk brake braked is exported to the speed change of above-mentioned hydraulic continuously variable transmission, above-mentioned oil-immersed multi-disk brake is positioned at the work pasta position by the top than above-mentioned inspection oil window and above-mentioned gearbox body, offer at the upper surface of above-mentioned gearbox body and return hydraulic fluid port, be located at from the working oil returned outside above-mentioned gearbox body in above-mentioned gearbox body to the guide body that above-mentioned oil-immersed multi-disk brake guides from the above-mentioned hydraulic fluid port that returns.
2. working truck according to claim 1, is characterized in that,
The reaping apparatus opening rotation centered by the longitudinal axis being positioned at the front left of above-mentioned travel machine body to horizontal outside is provided with in the front portion of travel machine body, under the state making above-mentioned reaping apparatus open rotation to horizontal outside, the above-mentioned oil-feed port and the above-mentioned inspection oil window that are positioned at the described another side of above-mentioned gearbox body expose.
3. working truck according to claim 2, wherein,
This working truck comprise straight-ahead operation instrument for changing the craspedodrome speed operating above-mentioned travel machine body, for change the travel direction operating above-mentioned travel machine body cornering operation instrument, for the electric drive that regulates the speed change of above-mentioned hydraulic continuously variable transmission to export with correspondingly drive the function unit of above-mentioned electric drive with the operational ton of above-mentioned each operation tool
Above-mentioned hydraulic continuously variable transmission is provided with and the above-mentioned electric drive separately emergency manual operation tool that exports of its speed change of M/C.
4. working truck according to claim 3, wherein,
When utilizing above-mentioned electric drive to regulate above-mentioned speed change to export, the driving of above-mentioned emergency manual operation tool and above-mentioned electric drive carries out action linkedly.
5. the working truck according to claim 3 or 4, wherein,
When the above-mentioned emergency manual operation tool of M/C, limit the drived control of the above-mentioned electric drive that above-mentioned function unit carries out.
6. the working truck according to claim 3 or 4, wherein,
This working truck comprises above-mentioned hydraulic continuously variable transmission, for the adjustment cylinder of the Hydraulic Pump of the above-mentioned hydraulic continuously variable transmission of gearshift adjustment, for making the reciprocating electromagnetic liquid die mould valve as above-mentioned electric drive of above-mentioned adjustment cylinder and making the proportional control valve of above-mentioned electromagnetic liquid die mould Vavle switching action
The connecting pin interlock of the end side that the above-mentioned traveller of electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock are associated as by being located at traveller motion arm moves, being provided with in another side of above-mentioned traveller motion arm manually can the operating axis as above-mentioned emergency manual operation tool of rotating operation, the action that above-mentioned connecting pin makes above-mentioned traveller motion arm and above-mentioned two travellers linkedly with above-mentioned operating axis for center of turn rotates, thus aforesaid operations axle is rotated.
7. working truck according to claim 6, wherein,
This working truck comprises the hydraulic speed-changing housing being built-in with above-mentioned hydraulic continuously variable transmission, above-mentioned adjustment cylinder and above-mentioned electromagnetic liquid die mould valve, and the proportional control shell with aforementioned proportion control cock, above-mentioned traveller motion arm and aforesaid operations axle is detachably arranged on the lateral surface of above-mentioned hydraulic speed-changing housing in the mode making the above-mentioned traveller of electromagnetic liquid die mould valve and the proportional control traveller of aforementioned proportion control cock and be close.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010057434A JP5437866B2 (en) | 2010-03-15 | 2010-03-15 | Work vehicle |
| JP2010-057433 | 2010-03-15 | ||
| JP2010-057434 | 2010-03-15 | ||
| JP2010057433A JP5437865B2 (en) | 2010-03-15 | 2010-03-15 | Work vehicle and example combine |
| PCT/JP2011/050982 WO2011114769A1 (en) | 2010-03-15 | 2011-01-20 | Work vehicle, and combine harvester as example thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102292233A CN102292233A (en) | 2011-12-21 |
| CN102292233B true CN102292233B (en) | 2016-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180000859.7A Expired - Fee Related CN102292233B (en) | 2010-03-15 | 2011-01-20 | The combination machine of working truck and the example as this working truck |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR101701945B1 (en) |
| CN (1) | CN102292233B (en) |
| WO (1) | WO2011114769A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203214807U (en) * | 2012-02-23 | 2013-09-25 | 株式会社久保田 | Transmission of working vehicle |
| CN103363076A (en) * | 2012-03-31 | 2013-10-23 | 高邮市平安开沟机制造有限公司 | Gear case of ditcher |
| US9863516B2 (en) * | 2015-10-02 | 2018-01-09 | Deere & Company | Corn head row unit gearbox lubrication |
| US10130038B2 (en) | 2015-10-02 | 2018-11-20 | Deere & Company | Corn head row unit gearbox drive shaft seal |
| KR102376683B1 (en) * | 2016-06-29 | 2022-03-21 | 가부시끼 가이샤 구보다 | Power transmission apparatus |
| KR101896832B1 (en) | 2017-03-29 | 2018-09-11 | 주식회사기원전자 | Agricultural Machine comprising virtual terminal |
| JP6910970B2 (en) * | 2018-01-10 | 2021-07-28 | 株式会社クボタ | Control device for work vehicles |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60105423A (en) * | 1983-11-14 | 1985-06-10 | 株式会社クボタ | Reaming harvester |
| JP4127746B2 (en) * | 1999-10-14 | 2008-07-30 | ヤンマー株式会社 | Swash plate angle control mechanism of hydraulic continuously variable transmission |
| JP2001213183A (en) * | 2000-01-31 | 2001-08-07 | Nissan Diesel Motor Co Ltd | Noise damping structure of transmission case |
| JP2002354924A (en) * | 2001-05-31 | 2002-12-10 | Atex Co Ltd | Indicator for residual culm-treating machine |
| JP4110753B2 (en) * | 2001-07-09 | 2008-07-02 | 井関農機株式会社 | Combine |
| JP3965041B2 (en) * | 2001-11-08 | 2007-08-22 | ヤンマー農機株式会社 | Operating mechanism |
| JP4027767B2 (en) | 2002-10-08 | 2007-12-26 | 株式会社ケンウッド | In-vehicle device controller |
| JP4534782B2 (en) * | 2005-02-08 | 2010-09-01 | 井関農機株式会社 | Passenger type traveling vehicle |
| JP4827185B2 (en) | 2006-11-09 | 2011-11-30 | ヤンマー株式会社 | Combine |
| JP5057575B2 (en) * | 2007-12-19 | 2012-10-24 | ヤンマー株式会社 | Harvesting machine |
-
2011
- 2011-01-20 KR KR1020117014786A patent/KR101701945B1/en active IP Right Grant
- 2011-01-20 CN CN201180000859.7A patent/CN102292233B/en not_active Expired - Fee Related
- 2011-01-20 WO PCT/JP2011/050982 patent/WO2011114769A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102292233A (en) | 2011-12-21 |
| WO2011114769A1 (en) | 2011-09-22 |
| KR101701945B1 (en) | 2017-02-02 |
| KR20130040681A (en) | 2013-04-24 |
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