CN101466567B - Operating level structure - Google Patents

Operating level structure Download PDF

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Publication number
CN101466567B
CN101466567B CN200780021885.1A CN200780021885A CN101466567B CN 101466567 B CN101466567 B CN 101466567B CN 200780021885 A CN200780021885 A CN 200780021885A CN 101466567 B CN101466567 B CN 101466567B
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CN
China
Prior art keywords
aforementioned
connecting rod
rod side
control lever
lever shaft
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Expired - Fee Related
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CN200780021885.1A
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Chinese (zh)
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CN101466567A (en
Inventor
大家要造
山本昇
中辻外史
中川隆司
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Yanmar Co Ltd
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Yanmar Co Ltd
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Publication date
Application filed by Yanmar Co Ltd filed Critical Yanmar Co Ltd
Publication of CN101466567A publication Critical patent/CN101466567A/en
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Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles

Abstract

To provide an operation link structure enabling an increase in working efficiency during the assembly and maintenance. The operation link structure comprises a first operation link mechanism supported on a first unit having a transmission mechanism and a transmission housing for storing the transmission mechanism in the state that the first operation link mechanism is connected to the switchover operation part of the transmission mechanism; and a second operation link mechanism supported on a second unit having a manual operation member in the state that the second operation link mechanism is connected to the manual operation member. The first and second operation link mechanisms are detachably connected to each other while being supported on their corresponding first and second units.

Description

Operating level structure
Technical field
The present invention relates to be applied to the operating level structure of the engineering trucks such as tractor truck.
Background technology
Application in question connecting rod mechanism widely in the engineering trucks such as tractor truck, described control link mechanism, by being configured near manual handling members such as joystick operator's seat, via connecting rod mechanism, be connected in linkage on the transmission devices such as forward-reverse switching mechanism between the drive path of the efferent such as from drive source to axle shaft or speed-changing mechanism, aforementioned transmission device is become corresponding to carrying out manually-operated drive state to aforementioned manual handling member.
But, the operating level structure in past, the operating efficiency during for when assembling and maintenance etc. is not considered fully.
; for example; in the patent documentation 1 of recording below, recorded a kind of operating level structure that is equipped with connecting rod mechanism, described connecting rod mechanism connects the actuating spindle and the handle part that are supported on the HST of change speed gear box in linkage from the gauge panel gear-change hand lever outstanding to side.
But, in this existing operating level structure, aforementioned linkage just by the various link components that form this connecting rod mechanism simply tandem couple together.
Thereby, the Steering gear being configured in aforementioned change speed gear box or aforementioned gauge panel is not arranged in vehicle body, just can not carry out the assembling of aforementioned linkage.Exist the inefficient problem of assembling operation of vehicle.
And then, in when maintenance, aforementioned linkage is not decomposed to the level of each link component, just can not aforementioned change speed gear box is separated from vehicle body, exist also poor problem of operating efficiency while keeping in repair.
Patent documentation 1: JP 2002-160545 communique
Summary of the invention
The present invention, in view of aforementioned prior art, an one object is to provide a kind of operating level structure that can improve the operating efficiency while assembling and while keeping in repair, this structure is a kind of operating level structure that transmission device and manual handling member are connected in linkage, wherein, described transmission device can change the drive state from drive source to efferent, and described manual handling member is used for handling aforementioned transmission device.
In order to achieve the above object, the present invention is a kind of operating level structure, described operating level structure can change the transmission device of the drive state from drive source to efferent and connect in linkage for handling the manual handling member of aforementioned transmission device, be applicable to engineering truck, this structure comprises the first control link mechanism and the second control link mechanism, described the first control link mechanism, under the state being connected in the switching manoeuvre portion of aforementioned transmission device, be supported on the transmission gearbox that comprises this transmission device and hold this transmission device in interior first module, described the second control link mechanism, under the state being connected on aforementioned manual handling member, be supported on and comprise this manual handling member at interior second unit, aforementioned first and second control link mechanism, be supported under the state of corresponding aforementioned unit, can mutually connect removably.
According to the present invention of such formation, can improve assembling operation efficiency and the maintenance activity efficiency of engineering truck
Preferably, aforementioned the first control link mechanism has first connecting rod side control lever shaft, described first connecting rod side control lever shaft can around under the state of axis rotation along roughly above-below direction configuration, aforementioned the second control link mechanism has second connecting rod side control lever shaft, this second connecting rod side control lever shaft is according to the manual handling to aforementioned manual handling member, around axis, rotate, under the state of the upper end subtend of its bottom and aforementioned first connecting rod side control lever shaft, with respect to described first connecting rod side control lever shaft, can not relatively rotate and can connect removably around axis.
In a kind of form of implementation, using aforementioned first module as gear unit, this gear unit comprises: the forward-reverse switching mechanism working as aforementioned transmission device, the speed-changing mechanism working as other transmission device, hold the aforementioned transmission gearbox of aforementioned forward-reverse switching mechanism and aforementioned speed-changing mechanism, and, using aforementioned second unit as engine unit, this engine unit comprises: the driving engine working as aforementioned drive source; The turning part that comprises Steering gear, steering shaft and bearing circle; Comprise around the gauge panel portion of the gauge panel main body of aforementioned Steering gear; The joystick portion that comprises the forward-reverse changer lever working as aforementioned manual handling member; The controlled pedal portion that comprises brake pedal; The Fuel Tank portion of the Fuel Tank that comprises the fuel source that becomes aforementioned driving engine.
Preferably, aforementioned first connecting rod side control lever shaft by be arranged on first connecting rod side bearing member on aforementioned transmission gearbox directly or indirectly, can be around axis free rotary ground supporting, and aforementioned second connecting rod side control lever shaft directly or indirectly can be around axis free rotary ground supporting by the second connecting rod side bearing member being arranged on aforementioned Steering gear.
In the form connecting along vehicle fore-and-aft direction in aforementioned first and second unit, by aforementioned first and second unit is relatively moved along vehicle fore-and-aft direction, aforementioned first and second connecting rod side control lever shaft can be positioned in axis each other axis on same axle state consistent with each other and the released state of axis runout each other.
According to such structure, can easily carry out connection operation and the detached job of aforementioned first and second control link mechanism.
More preferably, the bottom of the upper end of aforementioned first connecting rod side control lever shaft and aforementioned second connecting rod side control lever shaft, when the consistent state of aforementioned axis, mutually overlapping in lateral plan, by utilizing clamp structure that aforementioned overlapping part is coupled together, can be by aforementioned first and second connecting rod side control lever shaft not connecting around the counterrotating mode of axis.
According to such structure, can more easily carry out connection operation and the detached job of aforementioned first and second control link mechanism.
For example, concavity member is set on one in the upper end of aforementioned first connecting rod side control lever shaft and the bottom of aforementioned second connecting rod side control lever shaft, this concavity member has a pair of back plate of the mutual subtend of slit of offering via along continuous straight runs.And, on another in the upper end of aforementioned first connecting rod side control lever shaft and the bottom of aforementioned second connecting rod side control lever shaft, convex member being set, this convex member is configured between aforementioned a pair of back plate via aforementioned slots.By utilizing aforementioned clamp structure that aforementioned convex member and aforementioned concavity member are coupled together, by aforementioned first and second connecting rod side control lever shaft not connecting around the counterrotating mode of axis.
According to such structure, make connection operation and the detached job of aforementioned first and second operator link mechanism easy, meanwhile, can make the having stable behavior of aforementioned first and second control link mechanism under coupled condition.
In the situation that aforementioned transmission device can be taked the neutral condition that the power transmission from aforementioned drive source to aforementioned efferent is disconnected, preferably, when the center position that aforementioned manual handling member is positioned at make aforementioned transmission device in neutral condition, aforementioned slots is towards the fore-and-aft direction of vehicle.
According to such structure, can carry out more simply connection operation and the detached job of aforementioned first and second control link mechanism.
Aforementioned gauge panel main body can be bearing on the gauge panel pillar being connected on aforementioned driving engine.In this form, preferably, aforementioned first and second connecting rod side control lever shaft, above the upper surface of aforementioned transmission gearbox and below aforementioned gauge panel pillar and aforementioned gauge panel main body, from vehicle side, can reach approaching position, can connected by aforementioned clamp structure.
Via clamp structure, connect removably and can and be provided in the gauge panel pillar in aforementioned second unit around the first connecting rod side bearing member of the aforementioned first connecting rod side of axis free rotary ground supporting control lever shaft, according to this structure, can make the stable posture of aforementioned first connecting rod side bearing member and aforementioned gauge panel pillar.
Aforementioned first connecting rod side bearing member can have: comprise the base plate on the upper surface that is fixed on aforementioned transmission gearbox and the pair of side plates of extending upward from this base plate at interior main part; Be positioned at the front side of aforementioned body portion, the bearing portion being supported by this main part.In this form, preferably, aforementioned pair of side plates is connected in the pair of side plates on aforementioned gauge panel pillar removably via clamp structure respectively.
Accompanying drawing explanation
Fig. 1 is that application is according to the left side view of the tractor truck of operating level structure of the present invention form of implementation.
Fig. 2 is the right side view of the tractor truck shown in Fig. 1.
Fig. 3 is the vertical profile lateral plan of the driving section in the tractor truck shown in Fig. 1 and Fig. 2.
Fig. 4 is the decomposition diagram of the tractor truck shown in Fig. 1 and Fig. 2.
Fig. 5 is the transparent view of the engine unit the aforementioned tractor truck of observing from left back, represents the state that gauge panel portion is unloaded.
Fig. 6 is the transparent view of the aforementioned engine unit observed from right abaft, represents the state that gauge panel portion is unloaded.
Fig. 7 is the part enlarged perspective of aforementioned engine unit.
Fig. 8 is near enlarged perspective gauge panel pillar in aforementioned engine unit, represents to unload the state of aforementioned gauge panel portion.
Fig. 9 is near the right side enlarged side view of the amplification operator's seat in aforementioned tractor truck.
Figure 10 is the schematic diagram that is provided to the throttle gate control link mechanism in aforementioned tractor truck.
Figure 11 is the XI-XI line cutaway view in Figure 10.
Figure 12 is the rear perspective view of the forward unit in aforementioned tractor truck.
Figure 13 is the cutaway view along the XIII-XIII line of Fig. 3.
Figure 14 is the left transparent view that connects the assembly that aforementioned engine unit and gear unit form, and in order clearly to represent aforementioned operating level structure, represents to delete the state of a part of member.
Figure 15 is the right transparent view that connects the assembly that aforementioned engine unit and aforementioned gear unit form, and in order clearly to represent aforementioned operating level structure, represents to delete the state of a part of member.
Figure 16 is the front elevation of aforementioned operating level structure.
Figure 17 is the transparent view of aforementioned operating level structure.
Figure 18 is near transparent view first connecting rod side the first control lever shaft in aforementioned operating level structure.
Figure 19 is the left side view that connects the assembly that aforementioned engine unit and aforementioned gear unit form.
Figure 20 is near the transparent view second connecting rod side bearing member in aforementioned operating level structure.
Figure 21 is the cutaway view of the bindiny mechanism in aforementioned operating level structure, represents along the section of the axis of aforementioned second connecting rod side control lever shaft.
Figure 22 is the left side view that makes the state of aforementioned engine unit and aforementioned gear unit separation.
Nomenclature:
1 tractor truck, U1 gear unit (first module), U2 engine unit (second unit), 10 driving engines, 100 gauge panel pillars, 110 turning parts, 112 Steering gears, 113 steering shafts, 114 bearing circle, 120 gauge panel portions, 121 gauge panel main bodys, 130 joystick portions, 131 forward-reverses switch control member (forward-reverse changer lever), 150 operating pedal portions, 155 pedal of clutchs, 158L left hand brake pedal, 158R right hand brake pedal, 180 Fuel Tank portions, 182 Fuel Tanks, 220 forward-reverse switching mechanisms, 235 control arms (the blocked operation portion of forward-reverse switching mechanism), 240 speed-changing mechanisms, 290 transmission gearboxs, 500 operating level structures, 510 first control link mechanisms, 511 first connecting rod side the first control lever shafts, 530 first connecting rod side the first supporting members, 531 main parts, 535 bearing portions, 540 pins, 541 concavity members, 542 back plates, 543 slits, 545 convex members, 550 second control link mechanisms, 551 second connecting rod side control lever shafts, 560 second connecting rod side bearing members
The specific embodiment
Below, with reference to the accompanying drawings of according to the preferred implementing form of operating level structure of the present invention.
Fig. 1 and Fig. 2 are respectively that application is according to left side view and the right side view of the tractor truck 1 of the operating level structure of this form of implementation.
Aforementioned tractor truck 1 via driving section 20 by the transmission of power that comes from drive source 10 to efferent 30.
In this form of implementation, aforementioned tractor truck 1 has as the axle shaft 31 of aforementioned efferent 30 and PTO axle (not shown).
Thereby aforementioned driving section 20, when coming from the power of aforementioned drive source 10 to axle shaft 31 transmission, also transmits this power to aforementioned PTO axle.
Fig. 3 represents the vertical profile lateral plan of aforementioned driving section 20.
In more detail, as shown in Figure 3, aforementioned driving section 20 is equipped with: to aforementioned axle shaft 31 transmit the power that comes from aforementioned drive source 10 driving system transmission device 210, to the transmission of aforementioned PTO axle, come from the power of aforementioned drive source 10 PTO drive system mechanism 280, hold the transmission gearbox 290 of aforementioned driving system transmission device 210 and aforementioned PTO drive system mechanism 280.
In addition, in this form of implementation, aforementioned driving section 20, the upstream side in the transmission direction of aforementioned driving system transmission device 210 and aforementioned PTO drive system mechanism 280, is further equipped with clutch mechanism 200.
Aforementioned clutch mechanism 200 comprises: the clutch body 201 being connected with aforementioned drive source 10 actions, the imput shaft 202 being connected with the outgoing side action of aforementioned clutch body 201.
Aforementioned clutch body 201 is connected on aforementioned drive source 10 via flywheel 15 actions, operation according to being provided near the following pedal of clutch 155 operator's seat, can connect or disconnect the transmission of power carrying out to aforementioned imput shaft 202 from aforementioned drive source 10.
Aforementioned driving system transmission device 210 and aforementioned PTO drive system mechanism 280, as shown in Figure 3, connect side by side with respect to aforementioned imput shaft 202.
In more detail, aforementioned driving system transmission device 210 is equipped with: the forward-reverse switching mechanism 220 being connected with aforementioned imput shaft 202 actions, with aforementioned forward-reverse switching mechanism 220 move the main speed-changing mechanism 240 that is connected, by the rotary power that comes from aforementioned main speed-changing mechanism 240 to the left and right a pair of main axle shaft differential the box of tricks (not shown) transmitted.
In addition, according to different specifications, can between aforementioned main speed-changing mechanism and aforementioned differential gear train, be equipped with secondary speed-changing mechanism.
Aforementioned forward-reverse switching mechanism 220 is equipped with: action is connected to the axle drive shaft 221 in aforementioned imput shaft 202, the driven shaft 222 roughly configuring abreast with aforementioned axle drive shaft 221, be bearing in the just conversion gear cluster 223F on aforementioned axle drive shaft 221 and aforementioned driven shaft 222, be bearing in the reversion gear cluster 223R on aforementioned axle drive shaft 221 and aforementioned driven shaft 222, and forward-reverse switches gearshift 224, described switching gearshift 224 is according to peripheral operation, forward position that can be in aforementioned driven shaft 222 being rotated in the forward via the aforementioned gear cluster 223F that just converting, or via aforementioned reversion, with gear cluster 223R, make the backward position of aforementioned driven shaft 222 contrarotations.
Aforementioned forward-reverse switches gearshift 224, except aforementioned forward position and aforementioned backward position, and center position that also can be in the transmission of power from aforementioned axle drive shaft 221 to aforementioned driven shaft 222 is disconnected.
Aforementioned forward-reverse switches gearshift 224, via the forward-reverse of describing, switch steering unit 230 and forward-reverse switching control link mechanism 500 below, action is connected to and is provided near can the switching on control member 131 by manned forward-reverse of operator's seat, the manual operation of control member 131 is switched in response to this forward-reverse, aforementioned gearshift 224 can be selected aforementioned forward position, aforementioned center position or aforementioned backward position.
Aforementioned main speed-changing mechanism 240 can carry out multi-change speed by the rotation of aforementioned driven shaft 222, to follow-up aforementioned differential gear train transmission.
Specifically, as shown in Figure 3, aforementioned main transformer speed variator 240 is equipped with: primary input axle 241, and the main output shaft 242 that configures substantially in parallel of aforementioned primary input axle 241, the change gear transmission 250 that carries out multi-change speed between aforementioned primary input axle 241 and aforementioned main output shaft 242.
In this form of implementation, aforementioned primary input axle 241 is connected on aforementioned driven shaft 222 via gear cluster 245 actions.
Aforesaid gears transmission system 250 is equipped with: be bearing in a plurality of mainBian Suchilun group 251a~251d on aforementioned primary input axle 241 and aforementioned main output shaft 242, via any one gear cluster in aforementioned mainBian Suchilun group 251a~251d, aforementioned main output shaft 242 actions be connected to the main transformer quick change blocking means 255a~255c on aforementioned primary input axle 241.
In addition, in this form of implementation, aforesaid gears transmission system 250, except making, the gear of aforementioned main output shaft 242 speed-changing rotations, also to have aforementioned main output shaft 242 is directly connected to the gear on aforementioned driven shaft 222 via aforementioned mainBian Suchilun group 251a~255e.
That is, aforementioned main output shaft 242 rotates freely around axis on the axle identical with aforementioned driven shaft 222.
And aforementioned main transformer quick change blocking means 255a can pass to the rotation of aforementioned primary input axle 241 in the aforementioned mainBian Suchilun group 251a via correspondence the state of aforementioned main output shaft 242 and aforementioned main output shaft 242 is directly connected to the state on aforementioned driven shaft 222.
In addition, aforementioned main transformer quick change blocking means 255a~255c, via main selector gear 260, action is connected to and is provided near the main shift lever 265 of aforementioned operator's seat (with reference to Fig. 4 below).
Aforementioned modified roll mechanism can by the rotary power that comes from aforementioned main output shaft 242 differential pass to the main axle shaft 31 of pair of right and left.
In addition, pair of right and left stop mechanism (not shown) is equipped with between aforementioned differential gear train and aforementioned a pair of main axle shaft 31.
Aforementioned a pair of stop mechanism, via suitable connecting rod mechanism, action is connected to and is configured on brake pedal 158L, the 158R that near pair of right and left operator's seat the following describes.
According to different specifications, on aforementioned driving system modified roll mechanism 210, for example can further be equipped with, to the secondary axle shaft output mechanism (not shown) of secondary axle shaft (, front axle 32 (with reference to Fig. 1 and Fig. 2)) outputting rotary power.
Aforementioned auxiliary axle shaft can be equipped with output mechanism: output shaft and power-transfer clutch for secondary axle shaft, described power-transfer clutch, according to peripheral operation, connects or disconnects from aforementioned main output shaft 242 to aforementioned auxiliary axle shaft with the transmission of power of output shaft.
Aforementioned PTO drive system mechanism 280 can be equipped with action to be connected to PTO transmission shaft 281 in aforementioned imput shaft 202, to be inserted into PTO clutch mechanism (not shown) and PTO speed-changing mechanism (not shown) between aforementioned PTO transmission shaft 281 and aforementioned PTO axle.
Aforementioned PTO clutch mechanism can optionally connect or disconnect from aforementioned PTO transmission shaft 281 transmission of power of PTO axle forward according to peripheral operation.
Aforementioned PTO speed-changing mechanism can make the rotary power speed change of transmitting to aforementioned PTO axle from aforementioned PTO transmission shaft 281 according to peripheral operation.
Aforementioned transmission gearbox 290 is made into hollow form, can hold aforementioned clutch mechanism 200, aforementioned driving system transmission device 210 and aforementioned PTO drive system mechanism 280.
In this form of implementation, aforementioned transmission gearbox 290 is equipped with: hold aforementioned flywheel 15Ji aforementioned clutch mechanism 200 clutch case 291, hold aforementioned forward-reverse switching mechanism 220 and aforementioned main speed-changing mechanism 240 anterior case 292, hold the rear portion case 294 of aforementioned differential gear train, the mutual tandem of aforementioned clutch case 291, aforementioned anterior case 292 and aforementioned rear portion case 294 ground connects.
In addition, in the situation that being equipped with aforementioned auxiliary speed-changing mechanism, in aforementioned transmission gearbox 290, between aforementioned anterior case 292 and aforementioned rear portion case 294, be equipped with intermediate box 293 (with reference to Fig. 4 below).
Here, the assemble method for aforementioned tractor truck 1 describes.
The decomposition diagram that represents aforementioned tractor truck 1 in Fig. 4.
As shown in Figure 4, aforementioned tractor truck 1 is assembled by a plurality of unit U1 of Componentized~U5 connection in advance.
In detail, aforementioned tractor truck 1 is equipped with: comprise the driving engine that plays a part aforementioned drive source 10 interior engine unit U2, form aforementioned driving section 20 gear unit U1, comprise anterior wheel hub 52L, 52R at interior forward unit U3, tread plate fender unit U4 and engine hood unit U5.
In Fig. 5 and Fig. 6, represent respectively to observe from left back aforementioned engine unit U2 to transparent view and the transparent view of observing from right abaft.In addition, in Fig. 7, represent the left transparent view of the amplification of aforementioned engine unit U2.In addition, in Fig. 5 and Fig. 6, represent to unload the state of following gauge panel portion 120.
As shown in Figure 1, Figure 2 and shown in Fig. 5~Fig. 7, aforementioned engine unit U2 comprises aforementioned driving engine 10, turning part 110, gauge panel portion 120, joystick portion 130, handles step board 150, car bonnet support 170, Fuel Tank portion 180.
In more detail, aforementioned engine unit U2 further has the gauge panel pillar 100 below that is connected to aforementioned driving engine 10, and aforementioned turning part 110 is bearing on aforementioned driving engine 10 via aforementioned gauge panel pillar 100.
In Fig. 8, represent near the enlarged perspective of aforementioned gauge panel pillar 100.In addition, in Fig. 8, represent to unload the state of aforementioned gauge panel portion 120.
In more detail, as shown in Figure 8, aforementioned gauge panel pillar 100 comprises: substantially vertical and along being connected to the adapter plate 101 below of aforementioned driving engine under the state of the Width of vehicle, substantially vertical and along the pair of right and left back plate 102a, the 102b that extend rearward from aforementioned adapter plate 101 under the state of vehicle fore-and-aft direction.
In addition, in this form of implementation, aforementioned adapter plate 101 is compared in the direction of vehicle width width with aforementioned driving engine 10 wider.And, among aforementioned adapter plate 101 from the bottom of the outstanding part of aforementioned driving engine 10Xiang vehicle-width direction foreign side, by brace panel 109 supportings that are connected respectively to the two sides of aforementioned driving engine 10.
As shown in Fig. 5~Fig. 8, aforementioned turning part 110 comprises: be connected to valve body 111 between the close rear portion of aforementioned a pair of back plate 102a, 102b, with the mode along roughly above-below direction extends by bottom be connected to hollow on aforementioned valve body 111 obtain Steering gear 112, in bottom action is connected to, be contained in power steering gear in aforementioned valve body 111 with being inserted into steering shaft 113 in aforementioned Steering gear 112 under the state in valve (not shown), can not be connected to the relative rotation the bearing circle 114 of the upper end of aforementioned steering shaft 113.
As shown in Figure 7, aforementioned gauge panel portion 120 comprises: in the mode around aforementioned Steering gear 112, be bearing in gauge panel main body 121 on aforementioned gauge panel pillar 100, be arranged on the instrument face plate 122 in aforementioned gauge panel main body 121.
As shown in Fig. 5~Fig. 8, aforementioned joystick portion 130 includes: the aforementioned forward-reverse that is the form of bar switches control member 131, handles the throttle lever 141 of governor 11 use of aforementioned driving engine 10.
After aforementioned advancing, switching control member 131 switches steering unit 230 via the forward-reverse that will describe in detail below and is connected on aforementioned forward-reverse switching gearshift 224 according to the operating level structure 500 of this form of implementation, action.
In Fig. 9, represent near the right side view operator's seat of aforementioned tractor truck 1.
Aforementioned throttle lever 141 is bearing on aforementioned gauge panel pillar 100 indirectly.
In detail, as shown in Fig. 6 and Fig. 9, throttle lever pillar 140 is connected on aforementioned gauge panel pillar 100.
Aforementioned throttle lever pillar 140 is roughly L shaped in plan view, there is side plate 140a on the aforementioned adapter plate 101 that leading section is connected to aforementioned gauge panel pillar 100 and from the rearward end of aforementioned side plate 140a to vehicle-width direction in side extend and be connected to the rear plate 140b the back plate 101b on aforementioned right side of aforementioned gauge panel pillar 100.
As shown in Fig. 6 and Fig. 9, aforementioned throttle lever 141 has along the base end part 142 of vehicle-width direction with from the vehicle-width direction outer end of aforementioned base end part 142 to the handle part 143 that roughly extend top.
Aforementioned base end part 142, its vehicle-width direction inner end can be around axis free rotary ground supporting on the aforementioned side plate 140b of aforementioned throttle gate pillar 140, and its vehicle-width direction outer end is positioned at than the position of the more close vehicle-width direction of this gauge panel main body 121 foreign side below aforementioned gauge panel main body 121.
Aforementioned handle part 143, than aforementioned gauge panel main body 121 more by the foreign side of vehicle-width direction, upper end extend to always aforementioned bearing circle 114 near.
As shown in Fig. 6 and Fig. 9, this throttle lever 141 is connected on aforementioned governor 11 via 300 actions of throttle gate control link mechanism.
In this form of implementation, aforementioned governor 11, except aforementioned throttle lever 141, also can utilize throttle control 330 to handle.
In Figure 10, represent the schematic diagram of aforementioned throttle gate control link mechanism 300.
In addition, in Figure 11, represent the cutaway view of the XI-XI line in Figure 10.
As shown in Fig. 9~Figure 11, aforementioned throttle gate control link mechanism 300 is equipped with: can not be arranged on the relative rotation bar side control member 301 on the base end part 142 of aforementioned throttle lever 141, the actuating member 305 that can rotate freely around axis with respect to the aforementioned base end part 142 of aforementioned throttle lever 141, governor side link component 310 that will between aforementioned activities member 305 and aforementioned governor 11, action couples together, pedal side link component 315 that will between aforementioned activities member 305 and aforementioned throttle control 330, action couples together.
Aforementioned rod side control member 301 has main part 302 and action movie 303, described main part 302, foreign side at the more close vehicle-width direction of aforementioned side plate 140a than aforementioned throttle lever pillar 140, can not be with respect to base end part 142 rotations of aforementioned throttle lever 141, described action movie 303 surpasses aforementioned side plate 140a to interior side's extension of vehicle-width direction from the periphery of aforementioned main part 302.
Aforementioned activities sheet 303 is coupled on a side (being front end face in form shown in the figure) of aforementioned activities member 305, and described actuating member is configured in the interior side's side than the more close vehicle-width direction of aforementioned side plate 140a.
As clearly represented in Figure 10, aforementioned throttle control 330 comprises: the bar portion 332 that extend the top of the step board 41 can be around the base end part 331 of the axis free rotary ground supporting along vehicle-width direction, from aforementioned base end part 331 to aforementioned tread plate fender unit U4, the tread portion 333 that is arranged on aforementioned rod portion 332 leading sections, the pedal side arm 334 that can not rotate relative to aforementioned base end part, the retracing spring 335 by aforementioned base end part 331 around axis to side's side loading.
In this form of implementation, aforementioned retracing spring 335, locates an end and be fixed, and another end is connected on aforementioned pedal side arm 334 below aforementioned tread portion 41.
Aforementioned pedal side link component 315 has the pedal side lever extending between aforementioned activities member 305 and aforementioned pedal side arm 334.
Aforementioned governor side link component 310 has the governor side lever extending between aforementioned activities member 305 and aforementioned governor 11.
And then as shown in figure 11, aforementioned throttle gate control link mechanism 300 is equipped with friction member 320 between the aforementioned side plate 140a of aforementioned throttle lever pillar 140 and aforementioned rod side control member 301.
Aforementioned friction member 320, with respect to aforementioned rod side control member 302, generation can be resisted the loading force of aforementioned retracing spring 335 to keep the sliding resistance of the position of aforementioned throttle lever 141.
The action as follows of the aforementioned throttle gate control link mechanism 300 of this structure.
As shown in figure 10, when the loading force of resisting aforementioned retracing spring 335 by aforementioned throttle control 330 from initial position (for example, low outgoing position L) to actuated position (for example, while high outgoing position H) entering into operation, aforementioned activities member 305 swings to first direction R1 around the axis of aforementioned base end part 142 (below be called bar centre of gration R), by this, via aforementioned governor side link component 310, aforementioned governor 11 is shifted from initial position (low output state) to actuated position (high output state).
In addition, it is benchmark that the aforementioned activities sheet 303 of aforementioned rod side control member 301 be take aforementioned rod centre of gration R, is positioned at the second direction side of aforementioned activities member 305.
Thereby when entering into the aforementioned throttle control 330 of operation, aforementioned throttle lever 141 is intactly in initial position (low outgoing position L).
When releasing operates to entering into of aforementioned throttle control 330, by aforementioned retracing spring 335, aforementioned throttle control 330 returns to initial position from actuated position, aforementioned activities member 305 swings around aforementioned rod centre of gration R to second direction R2, by this, via aforementioned governor side link component 310, aforementioned governor is returned to initial position.
In addition, aforementioned activities sheet 303 is arranged in the otch on the aforementioned side plate 140a that is formed on aforementioned throttle lever pillar 140, by this otch, limits the hunting range of aforementioned activities sheet 303.Thereby the aforementioned activities member 305 that the loading force producing by aforementioned retracing spring 335 swings around bar centre of gration R2 to second direction R2, by contacting with aforementioned activities sheet 303, stops the movement around bar centre of gration R to second direction R2.
On the other hand, when by aforementioned throttle lever 141 during from initial position to operative position swinging operation, aforementioned activities member 305 swings around bar centre of gration R to first direction R1 by aforementioned activities sheet 303, and by this, aforementioned governor 11 shifts to operating position from initial position.
At this moment, aforementioned throttle control 330, resists the loading force of aforementioned retracing spring 335, via aforementioned pedal side link component 315, from initial position, to operating position, shifts.Thereby aforementioned throttle lever 141 returns to initial position by aforementioned retracing spring 335, and as previously described, aforementioned friction member 320 is provided between the aforementioned side plate 140a and aforementioned rod side control member 301 of aforementioned throttle lever pillar 140.
Thereby aforementioned throttle lever 141, remains on operating position by aforementioned friction member 320.
According to this throttle control 300, can obtain following effect.
; wanting to make aforementioned governor 11 (for example temporarily be positioned at operating position; the high output state of driving engine 10), in situation, by the aforementioned throttle control 330 of operation of entering into, can only when operating, entering into of this throttle control 330 make governor 11 position operation positions.
On the other hand, in the situation that wanting to make aforementioned governor 11 keep operating position, by resisting the sliding resistance of aforementioned friction member 320 and the loading force of aforementioned retracing spring 335, aforementioned throttle lever 141 is shifted to operating position from initial position, even after releasing is applied to the operating effort of this throttle lever 141, also aforementioned governor 11 can be remained on to operating position.
As shown in Fig. 5, Fig. 6 and Fig. 8, aforementioned operation tread portion 150 comprises: hollow support member 151, and this hollow member is bearing on aforementioned gauge panel pillar 100; Pedal shaft 152, is inserted in aforementioned hollow support member 151 in its state extending with both ends Xiang foreign side; Clutch segment hub 153, this clutch segment hub can rotate freely distolateral extension (under state shown in the figure, being a left part) outside that is extrapolated to aforementioned pedal shaft 152 relatively; Clutch lever 154, this clutch lever 154 is bearing on aforementioned clutch sheet hub 153; Pedal of clutch 155, this pedal of clutch 155 is arranged on the free end of aforementioned clutch bar 154; Left side brake hub 156L, this left side brake hub 156L can not rotate freely another distolateral extension (under state shown in the figure, the being right part) outside that is extrapolated to aforementioned pedal shaft 152 relatively; Right side brake hub 156R, this right side brake hub 156R compares with aforementioned left side brake hub 156L, distolateral at another, can not relatively rotate freely and be extrapolated to aforementioned pedal shaft 152 outsides; Left side brake control lever 157L, it is bearing on aforementioned left side brake hub 156L; Left hand brake pedal 158L, it is arranged on the free end of aforementioned left side brake toggle 157L; Right side brake control lever 157R, it is bearing on aforementioned right side brake hub 156R; Right hand brake pedal 158R, it is arranged on the free end of aforementioned right side brake control lever 157R.
Aforementioned clutch sheet hub 153 is connected in aforementioned clutch mechanism 200 via the (not shown) action of clutch linkage mechanism.
Among one of aforementioned pedal shaft 152 distolateral extension, be positioned at than the part of the more close vehicle-width direction foreign side of aforementioned clutch sheet hub 153 position, via the (not shown) action of left brake linkage mechanism, be connected on aforementioned left stop mechanism.
Aforementioned right side brake hub 157R is connected on the stop mechanism of aforementioned right side via the (not shown) action of right side brake linkage mechanism.
As shown in Fig. 5, Fig. 6 and Fig. 8, aforementioned car bonnet support 170 has the car bonnet supporting member 171 that is arranged on aforementioned driving engine 10 tops.
Aforementioned car bonnet supporting member 171 is made into the shape that rear view is a shape, comprises along the pair of right and left longitudinal 172 of roughly above-below direction extension and by the transverse member coupling together between the upper end of aforementioned a pair of longitudinal 172 173.
As shown in Fig. 5, Fig. 6 and Fig. 8, aforementioned Fuel Tank portion 180 comprises: be arranged on the Fuel Tank framework 181 of aforementioned driving engine 10 tops and be bearing in the Fuel Tank 182 in aforementioned Fuel Tank framework 181.
Aforementioned Fuel Tank framework 181 is extended along the fore-and-aft direction of vehicle between aforementioned pair of right and left longitudinal 172, and aforementioned Fuel Tank 182 is inserted into state lower support in aforementioned car bonnet supporting member 171 in aforementioned Fuel Tank framework 181 interior.
In addition, as shown in Fig. 7 and Fig. 9 etc., the lid 183 of aforementioned Fuel Tank 182 can approach from outside via the opening being arranged in aforementioned gauge panel main body 121.
In Figure 12, represent the rear perspective view of aforementioned forward unit U3.
As shown in Figure 4, aforementioned forward unit U3 is connected on aforementioned engine unit U2 removably via pair of right and left connecting panel 5.
Specifically, as shown in Fig. 4 and Figure 12, aforementioned forward unit U2 comprises: the front body 50 forming by casting, be connected to front shell 51 in aforementioned front body 50, be connected respectively to the anterior wheel hub 52L in left and right, 52R on the left and right side of aforementioned front shell 51, be arranged on removably anterior counterweight (not shown) on the anterior counterweight installation portion 53 of being located at aforementioned front body 50 leading sections, be bearing in storage battery 54 in aforementioned front body 50, via the radiator (not shown) that is arranged on framework 55 supportings in aforementioned front body 50.
As shown in Figure 4, aforementioned tread plate fender unit U4 has pair of right and left tread plate fender 40.
Aforementioned tread plate fender 40 is integral step board 41 and the mud guard portion 42 of being equipped with.
As shown in Figure 4, aforementioned engine hood unit U5 has detachable and is connected to the car bonnet 60 on aforementioned car bonnet supporting member 171.
Aforementioned car bonnet 60 is pivotably connected on aforementioned car bonnet supporting member 171, can be in covering the position of top of aforementioned driving engine 10, aforementioned Fuel Tank 182 and aforementioned forward unit U3 and the open position that they are opened.
Secondly, for aforementioned forward-reverse, switching steering unit 230 describes.
In Figure 13, represent along the vertical profile front elevation of the aforementioned gear unit U1 of the XIII-XIII line in Fig. 3.
As shown in figure 13, aforementioned forward-reverse switches steering unit 230 and comprises: fork shaft 231, this fork shaft 231 with the state configuration of aforementioned axle drive shaft 221 and aforementioned driven shaft 222 almost parallels in aforementioned transmission gearbox 290; Fork 232, its base end part can be bearing on aforementioned fork shaft 231 slidably along axis direction, and its point is coupled to aforementioned forward-reverse and switches on gearshift 224; Control lever shaft 233, one end, can be around axis free rotary ground supporting on aforementioned transmission gearbox 290 along the direction substantially vertical with respect to aforementioned fork shaft 231 under the state of position that is positioned at aforementioned transmission gearbox 290 foreign sides; Movement arm 234, this movement arm 234 connects the base end part of aforementioned control lever shaft 233 and aforementioned fork 232; Control arm 235, this control arm 235 can not be bearing on foreign side's extension of aforementioned control lever shaft 233 with the relative rotation.
In this form of implementation, aforementioned control arm 235 plays a part the switching manoeuvre portion of the operating state of the aforementioned forward-reverse switching mechanism 220 of switching.
; when according to manual operation, while operating aforementioned control arm 235 around the axis oscillating of aforementioned control lever shaft 233; aforementioned fork 232 slides along aforementioned fork shaft 231, and by this, aforementioned forward-reverse switches gearshift 224 and is positioned at forward position, center position or backward position.
In addition, in this form of implementation, as shown in figure 13, the aforementioned anterior case 292 that forms aforementioned transmission gearbox 290 comprises: at right flank, the anterior box main body 292a of opening is set and is connected to removably the cover case member 292b on aforementioned anterior box main body 292a in the mode of the aforementioned opening of obturation.
In this structure, aforementioned control lever shaft 233 can rotate freely being bearing on aforementioned housing member 292b of ground around axis.
Here, the operating level structure 500 according to this form of implementation is described.
According to the operating level structure 500 of this form of implementation, to move, connect the switching operating member 235 of aforementioned forward-reverse switching mechanism 220 and mode that can manned aforementioned forward-reverse control member 131 forms.
In Figure 14 and Figure 15, left transparent view and the right transparent view of the assembly that represents that aforementioned engine unit U2 and aforementioned transfer unit U1 are coupled together and form.In addition, in Figure 14 and Figure 15, in order clearly to represent aforementioned operating level structure 500, removed a part of member.
In addition, in Figure 16 and Figure 17, only represent respectively front elevation and the front, perspective view of aforementioned operating level structure 500.
As shown in Figure 14~Figure 17, aforementioned operating level structure 500 comprises the first control link mechanism 510 and the second control link mechanism 550, described the first control link mechanism 510 to be to be connected to state support on aforementioned switching operating member 235 on aforementioned transfer unit U1, and state support on control member 131 is switched on aforementioned engine unit U2 to be connected to aforementioned forward-reverse in described the second control link mechanism 550.
Aforementioned first and second control link mechanism 510,550, under the state being intactly supported on corresponding aforementioned unit U1, U2, can interconnect/separation.
According to this operating level structure 500, aforementioned the first control link mechanism 510 is installed on aforementioned gear unit U1 and by aforementioned the second control link mechanism 550 and is installed under the state on aforementioned engine unit U2, can carry out connection operation or the detached job of aforementioned gear unit U1 and aforementioned engine unit U2.
Thereby, can improve the efficiency of assembling operation and the maintenance activity of aforementioned tractor truck 1.
In this form of implementation, as shown in FIG. 16 and 17, aforementioned the first control link mechanism 510 has with can be around the state of axis rotation along first connecting rod side first control lever shaft 511 of above-below direction configuration roughly, by this first connecting rod side first control lever shaft 511, around axis, rotate, via the aforementioned control arm 235 working as switching manoeuvre portion, aforementioned control lever shaft 233 rotates around axis.
In more detail, aforementioned the first control link mechanism 510 is equipped with: aforementioned first connecting rod side the first control lever shaft 511; First connecting rod side the first bar 513, this first connecting rod side first bar, to respond aforementioned first connecting rod side the first control lever shaft 511 around the rotation of axis, the mode that moves along oneself axis direction, action is connected on described first connecting rod side the first control lever shaft 511; First connecting rod side the second control lever shaft 515, this first connecting rod side second control lever shaft, responding the movement of aforementioned first connecting rod side the first bar 513, around the mode of axis rotation of oneself, action is connected on described first connecting rod side the first bar 513; First connecting rod side the second bar 517, this first connecting rod side second bar, to respond aforementioned first connecting rod side the second control lever shaft 515 around the rotation of axis, the mode that moves along oneself axis, action is connected on this first connecting rod side second control lever shaft 515; Aforementioned first connecting rod side the second bar 517 actions are connected on aforementioned control arm 235.
In this form of implementation, first connecting rod side the first arm 512 can not be arranged at the bottom of aforementioned first connecting rod side the first control lever shaft 511 with the relative rotation.
Aforementioned first connecting rod side the first bar 513, the action of one end is connected to the free end of aforementioned first connecting rod side the first arm 512, and its other end action is connected on the first connecting rod side second top arm 514 of the upper end that can not be arranged on the relative rotation aforementioned first connecting rod side the second control lever shaft 515.
In addition, as shown in Figure 14 waits, aforementioned first connecting rod side the first control lever shaft 511, near the aforementioned Steering gear 112 of the vehicle-width direction substantial middle of aforementioned transmission gearbox 290, along roughly above-below direction configuration.On the other hand, as shown in Figure 15 waits, aforementioned first connecting rod side the second control lever shaft 515, in the right side side of aforementioned transmission gearbox 290, along roughly above-below direction configuration.
Thereby aforementioned first connecting rod side the first bar 513, connects the mode of first and second control lever shaft 511,515 of aforementioned first connecting rod side moving, configure along vehicle-width direction.
First connecting rod side the second below arm 516 can not be arranged on the bottom of aforementioned first connecting rod side the second control lever shaft 515 with the relative rotation.
And aforementioned first connecting rod side the second bar 517, extends along vehicle fore-and-aft direction, so that action connects the free end of aforementioned first connecting rod side the second below arm 516 and the free end of aforementioned control arm 235.
In Figure 18, represent near the transparent view of aforementioned first connecting rod side the first control lever shaft 511.
As shown in figure 18, in this form of implementation, aforementioned first connecting rod side the first control lever shaft 511, can be around axis free rotary ground supporting by first connecting rod side the first supporting member 530 being arranged on aforementioned transmission gearbox 290.
In detail, aforementioned first connecting rod side the first supporting member 530 comprises: main part 531, and this main part comprises and is fixed on the base plate of aforementioned transmission gearbox 290 upper surfaces and the pair of side plates of extending upward from this base plate; Bearing portion 535, this bearing portion 535 is bearing on this main part 531, is positioned at the front side of aforementioned body portion 531.
And aforementioned first connecting rod side the first control lever shaft 511, can be around axis free rotary ground supporting by aforementioned bearings portion 535 with upper end and the bottom state that outwards extend side respectively.
In Figure 19, represent the left side view of the assembly that the aforementioned engine unit U2 of connection and aforementioned gear unit U1 form.
Preferably, as shown in Fig. 7 and Figure 19, via the clamp structures such as screw-nut 533, the aforementioned pair of side plates in aforementioned body portion 531 is connected to respectively on pair of side plates 102a, the 102b in aforementioned gauge panel pillar 100 removably.
By thering is this structure, can seek both stabilizations of aforementioned gauge panel pillar 100 and aforementioned first connecting rod side the first supporting member 530.
As shown in Figure 14~Figure 19, aforementioned the second control link mechanism 550 has response and switches the manual operation of control member 131, the second connecting rod side control lever shaft 551 rotating around axis to aforementioned forward-reverse.
Aforementioned second connecting rod side control lever shaft 551, connecting under the state of aforementioned gear unit U1 and aforementioned engine unit U2, with the state of the upper end subtend of its bottom and aforementioned first connecting rod side the first control lever shaft 511, can not be around axis rotation and can connecting removably relatively.
; aforementioned second connecting rod side control lever shaft 551 is being connected under the state on aforementioned first connecting rod side the first control lever shaft 511; the manual operation of control member 131 is switched in response to aforementioned forward-reverse; aforementioned first connecting rod side the first control lever shaft 511 rotates around axis; by this, the aforementioned control arm 235 working as switching operating member swings around aforementioned control lever shaft 233.
In detail, aforementioned the second control link mechanism 550 is equipped with: aforementioned second connecting rod side control lever shaft 551 and the direct or indirect second connecting rod side bearing member 560 that supports aforementioned second connecting rod side control lever shaft 551 of state rotating freely around axis.
In Figure 20, represent near the transparent view of aforementioned second connecting rod side bearing member 560.
As shown in figure 20, in this form of implementation, aforementioned second connecting rod side bearing member 560, under the state being fixed on aforementioned Steering gear 112, supports aforementioned second connecting rod side control lever shaft 551.
Specifically, aforementioned second connecting rod side bearing member 560 has: the support 562 that is connected to the basal part 561 on aforementioned Steering gear 112 and extends from aforementioned basal part 561 to side.
And aforementioned second connecting rod side control lever shaft 551 can be around axis free rotary ground supporting via bearing components 565 quilts that are arranged on aforementioned supporting member 562.
And then, in this form of implementation, aforementioned the second control link mechanism 550 has bindiny mechanism 600, this bindiny mechanism, the manual operation of control member 131 is switched in response to aforementioned forward-reverse, make aforementioned second connecting rod side control lever shaft 511 around axis rotation, meanwhile, aforementioned forward-reverse can be switched to control member 131 and engage to center position.
In detail, aforementioned forward-reverse switches control member 131 and comprises: with aforementioned second connecting rod side control lever shaft 551 the benchmark axial region 132 of subtend configuration and the manipulation axial region 133 extending obliquely upward from the upper end of aforementioned reference axis portion 132 coaxially.
The free end of aforementioned manipulation axial region 133 extends (with reference to Fig. 7 etc.) from aforementioned gauge panel 120Xiang foreign side.
That is, controlled, operated the free end of aforementioned manipulation axial region 133 by user, aforementioned forward-reverse switches control member 131 around the axis rotation of aforementioned benchmark axial region 132.
Aforementioned bindiny mechanism 600, by switch the axis of the aforementioned benchmark axial region 132 of control member 131 around aforementioned forward-reverse, rotate, mode with aforementioned second connecting rod side control lever shaft 551 around axis rotation, both are connected, and then aforementioned bindiny mechanism 600 plays a part aforementioned forward-reverse to switch the drg that control member 131 remains on center position.
On Figure 21, expression is along the longitudinal section of the aforementioned bindiny mechanism 600 of the axis of aforementioned second connecting rod side control lever shaft 551.
As shown in Figure 20 and Figure 21, aforementioned bindiny mechanism 600 is equipped with and can not be connected to the relative rotation the connecting rod side transom 610 on the upper end of aforementioned second connecting rod side control lever shaft 551 around axis.
In this form of implementation, aforementioned connecting rod side transom 610 comprises: can not be extrapolated to the relative rotation aforementioned second connecting rod side control lever shaft 551 upper end outside hollow bulb 611 and clip aforementioned hollow bulb 611 mutual subtends and be connected to a pair of supporting board 612 on this hollow bulb 611.
And then aforementioned bindiny mechanism 600 comprises: pivotable bolster 620, this pivotable bolster is bearing on aforementioned a pair of supporting board 612 in the mode of the Axis Cross with aforementioned second connecting rod side control lever shaft 551; Bearing portion 630, this bearing portion 630 switches the outside that state in the aforementioned benchmark portion 132 of control member 131 is extrapolated to aforesaid pivoted bolster 620 to be fixed to aforementioned forward-reverse; Brake plate 640, the mode that this brake plate 640 extends with the foreign side to radial direction is arranged on the aforementioned benchmark axial region 132 of aforementioned forward-reverse switching control member 131; Aforementioned brake plate 640 inserts the pilot hole 650 connecting; And neutral keep-spring 660, this neutrality keep-spring 660 switches control member 131 to a side loading of aforesaid pivoted bolster 620 rotations by aforementioned forward-reverse.
Aforementioned pilot hole 650 has such size, that is, when aforementioned forward-reverse switches control member 131 around the axis rotation of aforementioned benchmark axial region 132, allow aforementioned brake plate 640 to swing around aforementioned benchmark axial region 132.
And then, on aforementioned pilot hole 650, forming slit 651, the size of this slit makes when making aforementioned forward-reverse switching control member 131 be positioned at center position, and this brake plate 640 can snap onto the position with aforementioned brake plate 640 subtends.
Aforementioned neutral keep-spring 660 loads aforementioned bearings portion 630 towards making aforementioned brake plate 640 snap in aforementioned slots 651 directions.
The connection structure 600 of this structure is moved in the following manner.
At aforementioned forward-reverse, switching control member 131 is positioned under the state of the center position of the axis of aforementioned benchmark axial region 132, in the situation that not giving this forward-reverse switching control member 131 manual handling power, aforementioned brake plate 640 snaps in aforementioned slots 651 by aforementioned neutral keep-spring 660.In this state, aforementioned brake plate 640 can not be held rotatably around the axis of aforementioned benchmark axial region 132.Thereby, aforementioned forward-reverse is switched to control member 131 and remains on aforementioned center position.
In the situation that aforementioned forward-reverse being switched to control member 131 from center position to forward position or backward position operates, first, aforementioned brake plate 640 is resisted aforementioned neutral keep-spring 660 to the loading force that departs from the direction of aforementioned slots 651, makes aforementioned forward-reverse switch control member 131 and swings around aforesaid pivoted bolster 620.In this state, aforementioned brake plate 640 can swing around aforementioned benchmark axial region 132 in aforementioned pilot hole 650.Thereby by aforementioned forward-reverse switching control member 131 is rotated around the axis of aforementioned benchmark axial region 132, via aforementioned connecting rod side transom 610, aforementioned second connecting rod side control lever shaft 551 rotates around axis.
Preferably, can make the A/F (along the opening length of the direction of the axis of aforementioned benchmark axial region 132) of aforementioned pilot hole 650 and the width of aforementioned brake plate 640 (along the length of the direction of the axis of aforementioned benchmark axial region 132) roughly the same.
By this structure, can stably carry out aforementioned forward-reverse and switch control member 131 around the rotary manipulation of aforementioned benchmark axial region 132.
In addition, in this form of implementation, aforementioned pilot hole 650 is formed on the aforementioned base portion 561 of aforementioned second connecting rod side bearing member 560.
Secondly, the connection structure for aforementioned first connecting rod mechanism 510 and aforementioned second connecting rod mechanism 550 describes.
As shown in figure 18, in this form of implementation, the subtend end of aforementioned first connecting rod side the first control lever shaft 511 and aforementioned second connecting rod side control lever shaft 551 is connected removably by the pin 540 that plays clamp structure effect.
In detail, in this form of implementation, aforementioned first connecting rod side the first control lever shaft 511 and aforementioned second connecting rod side control lever shaft 551, by aforementioned engine unit U2 and aforementioned gear unit U1 are relatively moved along vehicle fore-and-aft direction, can be positioned at mutual axis the released state configuration that the consistent state of coaxial axis and mutual axial location are offset.
The bottom of the upper end of aforementioned first connecting rod side the first control lever shaft 511 and aforementioned second connecting rod side control lever shaft 551, under the consistent state of aforementioned axis, in lateral plan, forms with overlap mode.And, by utilizing aforementioned pin 540 to connect aforementioned overlapping part, aforementioned first connecting rod side the first control lever shaft 511 and aforementioned second connecting rod side control lever shaft 551 can not be around the counterrotating connections of axis, and, by unloading aforementioned pin 540, can be by aforementioned first connecting rod side the first control lever shaft 511 and the second control lever shaft 511 separation (with reference to Figure 22) of aforementioned second connecting rod side.
In this form of implementation, as shown in figure 18, in the bottom of aforementioned second connecting rod side control lever shaft 551, concavity member 541 is set.Aforementioned concavity member 541 is via a pair of back plate 542 of unlimited in the horizontal direction slit 543 mutual subtends.
On the other hand, upper end at aforementioned first connecting rod side the first control lever shaft 511 arranges convex member 545, described convex member 545, when aforementioned engine unit U2 and aforementioned gear unit U1 are connected, is configured between aforementioned a pair of back plate 542 via aforementioned slots 543.
And, by by aforementioned pin 540, aforementioned convex member 545 and aforementioned concavity member 541 being connected, aforementioned first connecting rod side the first control lever shaft 511 and second connecting rod side control lever shaft 551 can not be connected with the relative rotation around axis.
Preferably, when making aforementioned forward-reverse switching control member 131 be positioned at center position, aforementioned slots 543 is towards vehicle fore-and-aft direction.
According to this structure, under the state that makes aforementioned forward-reverse switching mechanism 220 in neutral condition, can carry out connection operation and the detached job of aforementioned engine unit U2 and aforementioned gear unit U1.
Preferably, aforementioned the first control link mechanism 510 can further be equipped with can be around first connecting rod side second supporting member 520 (with reference to Figure 15) of aforementioned first connecting rod side the second control lever shaft 515 of axis free rotary ground supporting.
In this form of implementation, aforementioned first connecting rod side the second supporting member 520, is inserted under the state in it at aforementioned first connecting rod side the second control lever shaft 515, is fixed on the right flank of aforementioned transmission gearbox 290.
By being equipped with this first connecting rod side the second supporting member 520, can seeking response and to aforementioned forward-reverse, switch the having stable behavior of the manually-operated aforementioned operating level structure 500 of control member 131.
; as previously described; according in the operating level structure 500 of this form of implementation; with the manual operation interlock of switching control member 131 to aforementioned forward-reverse, aforementioned second connecting rod side control lever shaft 551, aforementioned first connecting rod side the first control lever shaft 511 and aforementioned first connecting rod side the second control lever shaft 515 rotate around axis.
As previously described, aforementioned second connecting rod side control lever shaft 551 can be around axis free rotary ground supporting by aforementioned second connecting rod side bearing member 560, and aforementioned first connecting rod side the first control lever shaft 511 can be around axis free rotary ground supporting by aforementioned first connecting rod side the first supporting member 530.
Thereby, by utilizing aforementioned first connecting rod side the second control lever shaft 515 of aforementioned first connecting rod side the second supporting member 520 supporting, the link component that can rotate around axis free rotary ground supporting around axis (, first connecting rod side the first control lever shaft 511, first connecting rod side the second control lever shaft 515 and second connecting rod side control lever shaft 551) whole, by this, can seek to switch with aforementioned forward-reverse the having stable behavior of the aforementioned operating level structure 500 of control member 131 interlocks.
In addition, in this form of implementation, the situation that is applied to aforementioned forward-reverse switching mechanism 220 of take is illustrated operating level structure according to the present invention as example, still, self-evident, also goes for the various transmission devices such as gear type multi-change speed mechanism.

Claims (7)

1. an operating level structure, described operating level structure can change the transmission device of the drive state from drive source to efferent and handle the manual handling member that aforementioned transmission device uses and couple together in linkage, be applicable to engineering truck,
It is characterized in that, this operating level structure comprises:
The first control link mechanism, described the first control link mechanism is connected in the switching manoeuvre portion of aforementioned transmission device, be bearing in the first module as gear unit, aforementioned first module comprises forward-reverse switching mechanism, the speed-changing mechanism working as other transmission device working as aforementioned transmission device and the transmission gearbox that holds aforementioned forward-reverse switching mechanism and aforementioned speed-changing mechanism
The second control link mechanism, described the second control link mechanism, to be connected to the state on aforementioned manual handling member, is bearing on the second unit as engine unit, and described second unit comprises: the driving engine working as aforementioned drive source; ,Gai turning part, turning part comprises Steering gear, steering shaft and bearing circle; Gauge panel portion, this gauge panel portion comprises the gauge panel main body around aforementioned Steering gear; Joystick portion, this joystick portion comprises the forward-reverse changer lever working as aforementioned manual handling member; Controlled pedal portion, this controlled pedal portion comprises brake pedal; Fuel Tank portion, this Fuel Tank portion comprises Fuel Tank, and this Fuel Tank becomes the fuel source of aforementioned driving engine,
Aforementioned the first control link mechanism has first connecting rod side control lever shaft, and described first connecting rod side control lever shaft is with can be around the state of axis rotation along roughly above-below direction configuration,
Aforementioned the second control link mechanism has second connecting rod side control lever shaft, this second connecting rod side control lever shaft, according to the manual handling of aforementioned manual handling member is rotated around axis, and, with bottom, can not can connect removably around the relative rotation of axis with respect to this first connecting rod side control lever shaft with the state of the upper end subtend of aforementioned first connecting rod side control lever shaft
Aforementioned first and second control link mechanism, under the state being intactly supported on corresponding aforementioned unit, can connect mutually removably by aforementioned first and second connecting rod side control lever shaft.
2. operating level structure as claimed in claim 1, is characterized in that, aforementioned first connecting rod side control lever shaft directly or indirectly can be around axis free rotary ground supporting by the first connecting rod side bearing member that is arranged at aforementioned transmission gearbox,
Aforementioned second connecting rod side control lever shaft directly or indirectly can be around axis free rotary ground supporting by the second connecting rod side bearing member that is arranged at aforementioned Steering gear.
3. operating level structure as claimed in claim 1 or 2, is characterized in that, aforementioned first and second unit connects along vehicle fore-and-aft direction,
By aforementioned first and second unit is relatively moved along vehicle fore-and-aft direction, aforementioned first and second connecting rod side control lever shaft can be positioned in axis each other axis consistent state on same axle and the released state of axis runout each other,
The bottom of the upper end of aforementioned first connecting rod side control lever shaft and aforementioned second connecting rod side control lever shaft, when aforementioned axis consistent state, overlapping in lateral plan,
By utilizing clamp structure that aforementioned overlapping part is coupled together, by aforementioned first and second connecting rod side control lever shaft not connecting around the counterrotating mode of axis.
4. operating level structure as claimed in claim 3, it is characterized in that, on one in the upper end of aforementioned first connecting rod side control lever shaft and the bottom of aforementioned second connecting rod side control lever shaft, concavity member is set, this concavity member has a pair of back plate of the mutual subtend of slit of offering via along continuous straight runs
On another in the upper end of aforementioned first connecting rod side control lever shaft and the lower end of aforementioned second connecting rod side control lever shaft, convex member is set, this convex member is configured between aforementioned a pair of back plate via aforementioned slots,
By utilizing aforementioned clamp structure that aforementioned convex member and aforementioned concavity member are coupled together, by aforementioned first and second connecting rod side control lever shaft not connecting around the counterrotating mode of axis.
5. operating level structure as claimed in claim 4, is characterized in that, aforementioned transmission device can be taked the neutral condition that the power transmission from aforementioned drive source to aforementioned efferent is disconnected,
When the center position that aforementioned manual handling member is positioned at make aforementioned transmission device in neutral condition, aforementioned slots is towards the fore-and-aft direction of vehicle.
6. the operating level structure as described in claim 4 or 5, is characterized in that, aforementioned gauge panel body abutment on the gauge panel pillar being connected on aforementioned driving engine,
Aforementioned first and second connecting rod side control lever shaft, above the upper surface of aforementioned transmission gearbox and below aforementioned gauge panel pillar and aforementioned gauge panel main body, in can, from approaching position, vehicle side, being connected by aforementioned clamp structure.
7. operating level structure as claimed in claim 6, is characterized in that, aforementioned first connecting rod side bearing member has: main part, the pair of side plates that described main part comprises the base plate on the upper surface that is fixed on aforementioned transmission gearbox and extends upward from this base plate; Bearing portion, described bearing portion in the front side of aforementioned body portion, be bearing on this main part,
Aforementioned pair of side plates is connected to respectively in the pair of side plates in aforementioned gauge panel pillar removably via clamp structure.
CN200780021885.1A 2006-06-28 2007-03-14 Operating level structure Expired - Fee Related CN101466567B (en)

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JP2008006902A (en) * 2006-06-28 2008-01-17 Yanmar Co Ltd Operation link structure
CN102216105B (en) 2009-12-22 2014-05-14 株式会社久保田 Operation vehicle
JP5356348B2 (en) * 2010-09-29 2013-12-04 株式会社クボタ Forward / reverse switching operation device for traveling vehicle
JP6987704B2 (en) * 2018-06-20 2022-01-05 株式会社クボタ Traveling vehicle

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