CN205401657U - Track type tractor gearbox and track type tractor - Google Patents
Track type tractor gearbox and track type tractor Download PDFInfo
- Publication number
- CN205401657U CN205401657U CN201620154082.XU CN201620154082U CN205401657U CN 205401657 U CN205401657 U CN 205401657U CN 201620154082 U CN201620154082 U CN 201620154082U CN 205401657 U CN205401657 U CN 205401657U
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- buncher
- planetary gears
- gear
- walking
- couples
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Abstract
The utility model discloses a track type tractor gearbox and track type tractor of manual -automatic derailleur, it includes the box, is equipped with the input shaft that is driven by power on the box, the characterized by input shaft is through main speed change mechanism, vice speed change mechanism and left planetary gear mechanism, the hookup of right planetary gear mechanism, left planetary gear mechanism and the hookup of left drive wheel, right planetary gear mechanism and the hookup of right drive wheel, main speed change mechanism is including installing walking buncher and the mechanical shift case in the box both sides, and the input shaft inlays formula separation gear and walking buncher input shaft and the hookup of mechanical shift case input shaft through a pair of spiral bevel gear, tooth, walking buncher output shaft and mechanical shift case output shaft are through vice speed change mechanism and left planetary gear mechanism, the hookup of right planetary gear mechanism, box one side is equipped with and turns to buncher, turns to buncher input shaft and the hookup of vice speed change mechanism, turns to buncher output shaft and left planetary gear mechanism or the hookup of right planetary gear mechanism, the utility model discloses simple structure has realized advantage integration and adoption infinitely variable speed ware and the cooperation differential steering of planetary gear mechanism with mechanical shift and infinitely variable speed.
Description
Technical field
This utility model relates to a kind of caterpillar tractor, and specifically a kind of caterpillar tractor change speed gear box and caterpillar tractor, particularly relate to a kind of caterpillar tractor change speed gear box with auto-manual transmission and caterpillar tractor.
Background technology
Caterpillar tractor is a kind of farming machine tool researched and developed for being suitable for paddy field, south, compared with wheeled tractor, has contact area big, and ground pressure is little, and adhesive force is high, and pull strength is big, and pull strength generally exceeds about 10～20 than the tractor of equal horsepower.
Existing common caterpillar tractor, the main mode adopting machinery variable block or hydraulic continuously variable transmission (HST).Machinery variable block tractor, its transmission efficiency is high, and pull strength is big, but when farm work, needing often to put into gear, trample the operations such as clutch, its shift gear advance and retreat gear frequency is high, quick abrasion, the in addition factor such as misoperation, and easily cause the situations such as gear tooth breakage.
For this, there is the tractor of employing hydraulic continuously variable transmission (HST), if the patent No. is 201210400058.6, denomination of invention has been the patent disclosure of travelling transmission mechanism for a track vehicle is connected to static hydraulic drive system (HST) between clutch and walking steering control device, the output shaft of its static hydraulic drive system (HST) is delivered to walking steering control device by gear-driven assembly, and the output shaft of walking steering control device directly connects running wheel.Although, adopt hydraulic continuously variable transmission (HST), solve machinery variable block transmission operation trouble, the problem damaging gear, and operate relatively easy.But, still adopting left and right clutch gear clutch due to steering control device, by the effect of clutch gear and Wet-type friction slice, the driving wheel of side is braked, the working method of opposite side walking as usual turns to.One is that this type of steering mechanism turns to mainly through two pull bars on operating board, turns to stationarity poor, and troublesome poeration greatly reduces the driving comfort of driver.Two is that operating condition is severe owing to when farm work, steering frequency is high, and impact load is big, causes that castellated tooth sector uses frequently, dental inlay wear block, generally can only use a season and maintenance difficult of unpacking after abrasion, and cost is high.Three is relatively low for controlling the buncher delivery efficiency of walking, generally can only achieve about the 70 of power output, it is impossible to drive trench plow, plough, agricultural machinery and implement that trailer constant power loss is big.
To this, also there is the tractor adopting Double-hydraulic buncher (HST), if the patent No. is 201510635268.7, denomination of invention has been that the patent disclosure left hydraulic continuously variable transmission of a kind of employing of caterpillar walking actuating device, right hydraulic continuously variable transmission drive left driving wheel and right driving wheel respectively through left gear change speed gear box, right gear change speed gear box.Can realizing turning to continuously, manipulation is convenient, greatly reduces the fault rate of change speed gear box.But, also because walking, turning all adopts buncher, there is delivery efficiency low, also cannot drive trench plow, plough, agricultural machinery and implement that trailer constant power loss is big.
Summary of the invention
The purpose of this utility model is to provide a kind of caterpillar tractor change speed gear box with auto-manual transmission and caterpillar tractor.
This utility model adopts the following technical scheme that and realizes its goal of the invention, a kind of caterpillar tractor change speed gear box, it includes casing, casing is provided with the power shaft driven by power, power shaft couples with left planetary gears, right planetary gears through main speed-changing mechanism, secondary gear, left planetary gears couples with left driving wheel, and right planetary gears couples with right driving wheel；Described main speed-changing mechanism includes the walking buncher and the machinery variable block case that are arranged on casing both sides, and power shaft couples with walking buncher power shaft and machinery variable block case power shaft through a pair spiral bevel gear, castellated separation gear；Walking buncher output shaft and machinery variable block case output shaft couple with left planetary gears, right planetary gears through secondary gear；Casing side is provided with and turns to buncher, turns to buncher power shaft to couple with secondary gear, turns to buncher output shaft to couple with left planetary gears or right planetary gears.
The sun gear of left planetary gears described in the utility model couples with left driving wheel, and the sun gear of right planetary gears couples with right driving wheel.
Described in the utility model buncher power shaft is turned to couple with the secondary gear shift axle of secondary gear.
Described in the utility model the buncher power shaft first line of a couplet is turned to be connected to parking brake mechanism.
Described in the utility model buncher output shaft is turned to be provided with the output of two groups of gears, one group couples with left planetary gears gear ring or right planetary gears gear ring through carrier gear, and another group couples with right planetary gears gear ring or left planetary gears gear ring.
Machinery variable block case described in the utility model includes 2 forward gears, 1 gear that falls back, and described secondary gear includes 3 gears, it is achieved 6 pace outputs of change speed gear box, 3 reverse velocity outputs.
A kind of caterpillar tractor adopting caterpillar tractor change speed gear box described above, it includes frame, frame is provided with power, change speed gear box, operating mechanism and hitch, described operating mechanism includes walking control section and handling maneuver portion, described walking control section includes the walking variable-speed control being arranged on walking buncher and the mechanical variable block case stick being arranged on machinery variable block case, and rack-mounted forward-reverse torque arm is coupled with walking variable-speed control by forward-reverse pull bar；Described handling maneuver portion includes being arranged on the variable-speed control that turns to turned on buncher, rack-mounted turn to torque arm to pass through steering linkage and turns to variable-speed control and couple, and steering wheel couples with turning to torque arm.
For expanding the use scope of facility, this utility model is provided with Bulldozing mechanism at frame front, described Bulldozing mechanism includes rack-mounted center of rotation seat, prop up stay tube one end and shovel soil plate, ejector dozer are installed, the other end is hinged with center of rotation seat, the cylinder body of soil-shifting oil cylinder is arranged on center of rotation seat, and the piston rod of soil-shifting oil cylinder is hinged on a stay tube.
For increasing lifting force, this utility model is provided with the hydraulic lifting mechanism for hitch lifting at frame rear portion, described hydraulic lifting mechanism includes rack-mounted oil cylinder fixing base, it is arranged on the fixing seat on casing, lift arm one end is connected with hitch, the other end is hinged on fixing seat, and the cylinder body of lift cylinder is arranged on oil cylinder fixing base, and the piston rod of lift cylinder couples with lift arm.
For meeting oiling and the ventilation of change speed gear box, this utility model is provided with oiling plug screw on fixing seat.
Owing to adopting technique scheme, this utility model achieves goal of the invention preferably, its simple in construction, the advantage of machinery variable block and electrodeless variable-speed is integrated, machinery variable block is adopted when carrying out the operations such as the big ploughing of traction power demand or ridging, electrodeless variable-speed is adopted when carrying out the relatively low rotary tillage of traction power demand or making beating operation, and adopt buncher and planetary gears to coordinate differential steering, stationarity is turned to be greatly improved, pivot stud can be realized, greatly reducing fault rate, and steering mechanism adopts steering wheel to control, tractor driver handles more comfortable；Meanwhile, the design of Bulldozing mechanism, expand the use scope of facility, optimize the hydraulic lifting mechanism devised for hitch lifting, its stability is better, and lifting force is bigger.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the main TV structure schematic diagram of this utility model change speed gear box；
Fig. 3 is the plan structure schematic diagram of this utility model change speed gear box；
Fig. 4 is the structural representation of this utility model Bulldozing mechanism；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the structural representation of this utility model hydraulic lifting mechanism；
Fig. 7 is the top view of Fig. 6；
The schematic diagram of operating mechanism when Fig. 8 is this utility model parking；
The schematic diagram of operating mechanism when Fig. 9 is this utility model advance；
The schematic diagram of operating mechanism when Figure 10 is this utility model retrogressing；
Figure 11 is this utility model schematic diagram of operating mechanism when turning to clockwise；
Figure 12 is this utility model schematic diagram of operating mechanism when turning to counterclockwise.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment 1:
From Fig. 2, Fig. 3, a kind of caterpillar tractor change speed gear box, it includes casing 72, casing 72 is provided with the power shaft 71 driven by power, power shaft 71 couples with left planetary gears 714, right planetary gears 715 through main speed-changing mechanism, secondary gear, left planetary gears 714 couples with left driving wheel 713, and right planetary gears 715 couples with right driving wheel 718；Described main speed-changing mechanism includes the walking buncher 73 and the machinery variable block case that are arranged on casing 72 both sides, and power shaft 71 couples with walking buncher power shaft 76 and machinery variable block case power shaft 720 through a pair spiral bevel gear 74, castellated separation gear 721；Walking buncher output shaft 77 and machinery variable block case output shaft 719 couple with left planetary gears 714, right planetary gears 715 through secondary gear；Casing 72 side is provided with and turns to buncher 717, turns to buncher power shaft 710 to couple with secondary gear, turns to buncher output shaft 711 to couple with left planetary gears 714 or right planetary gears 715.
The sun gear of left planetary gears 714 described in the utility model couples with left driving wheel 713, and the sun gear of right planetary gears 715 couples with right driving wheel 718.
Described in the utility model buncher power shaft 710 is turned to couple with the secondary gear shift axle 78 of secondary gear.
Described in the utility model buncher power shaft 710 first line of a couplet is turned to be connected to parking brake mechanism 79.
Described in the utility model buncher output shaft 711 is turned to be provided with the output of two groups of gears, one group couples with left planetary gears gear ring or right planetary gears gear ring 722 through carrier gear 712, and another group couples with right planetary gears gear ring 722 or left planetary gears gear ring.
Machinery variable block case described in the utility model includes 2 forward gears, 1 gear that falls back, and described secondary gear includes 3 gears, it is achieved 6 pace outputs of change speed gear box, 3 reverse velocity outputs.
By Fig. 1, Fig. 2, Fig. 3, Fig. 8 is known, a kind of caterpillar tractor adopting caterpillar tractor change speed gear box described above, it includes frame 4, frame 4 is provided with power 3, change speed gear box 7, operating mechanism 5 and hitch 10, described operating mechanism 5 includes walking control section and handling maneuver portion, described walking control section includes the walking variable-speed control 75 being arranged on walking buncher 73 and the mechanical variable block case stick being arranged on machinery variable block case, the forward-reverse torque arm 8 being arranged in frame 4 is coupled with walking variable-speed control 75 by forward-reverse pull bar 12；Described handling maneuver portion includes being arranged on turning to and turns to variable-speed control 716 on buncher 717, and the torque arm 6 that turns to being arranged in frame 4 is coupled with turning to variable-speed control 716 by steering linkage 11, and steering wheel 1 couples with turning to torque arm 6.
Described in the present embodiment, power 3 is diesel engine, direct-connected with change speed gear box 7, it is installed in frame 4, power is transferred to the power shaft 71 of change speed gear box 7, power decomposition is become two drive paths by power shaft 71, article one, drive path is exported by output shaft 723 after speed, for drive installation farming mechanism on hitch 10；Another drive path is turned to 90 ° by power shaft 71 through a pair spiral bevel gear 74, then is transferred to the walking buncher power shaft 76 of walking buncher 73 or the mechanical variable block case power shaft 720 of machinery variable block case.When adopting machinery variable block, then walking buncher 73 is in neutral gear position, quits work；Being controlled machinery variable block case output shaft 719 by the gear action bars of machinery variable block case drives left driving wheel 713, right driving wheel 718 to rotate through secondary gear, left planetary gears 714, right planetary gears 715, it is achieved the advance of tractor or retrogressing.By Fig. 9, Figure 10 it can be seen that when adopting electrodeless variable-speed, then use external stick to be separated by castellated separation gear 721, machinery variable block case is made to quit work；Rotating forward-reverse torque arm 8 makes forward-reverse pull bar 12 move forward and backward, walking buncher stick 75 is driven to rotate forward or rotate backwards, walking buncher output shaft 77 drives left driving wheel 713, right driving wheel 718 to rotate through secondary gear, left planetary gears 714, right planetary gears 715, it is achieved the advance of tractor or retrogressing.Buncher 717 is now turned to be constantly in neutral gear position.
The present embodiment turns to buncher output shaft 711 to couple with right planetary gears 715.One turns to buncher output shaft 711 to couple with right planetary gears gear ring 722 through carrier gear 712；Another turns to buncher output shaft 711 to couple with left planetary gears gear ring.When turning to, by Figure 11, Figure 12 is known, suitable by steering wheel 1, rotate counterclockwise, make to turn to torque arm 6 suitable, rotate counterclockwise, being driven by steering linkage 11 turns to buncher stick 716 to rotate, buncher 717 is turned to work, the diverted buncher output shaft 711 of power, carrier gear 712 passes to right planetary gears gear ring 722, right planetary gears 715 is made to increase or reduce a speed, so that left driving wheel 713, right driving wheel 718 differential rotates, realize tractor to turn to clockwise or counterclockwise, namely smoothly turn to or pivot stud.
Embodiment 2:
From Fig. 4, Fig. 5, for expanding the use scope of facility, this utility model is provided with Bulldozing mechanism 2 in frame 4 front portion, described Bulldozing mechanism 2 includes the center of rotation seat 24 being arranged in frame 4, prop up stay tube 23 one end and shovel soil plate 21, ejector dozer 22 are installed, the other end is hinged with center of rotation seat 24, and the cylinder body of soil-shifting oil cylinder 25 is arranged on center of rotation seat 24, and the piston rod of soil-shifting oil cylinder 25 is hinged on a stay tube 23.
The present embodiment, when needs dozing, controls hydraulic system and makes soil-shifting oil cylinder 25 work, and the piston rod of soil-shifting oil cylinder 25 extends to operating position, controls shovel soil plate 21 and ejector dozer 22 is transferred, carry out being bulldozed operation；Under off working state, control hydraulic system and make the piston rod of soil-shifting oil cylinder 25 shrink, promote shovel soil plate 21 and ejector dozer 22.
Remaining with embodiment 1.
Embodiment 3:
From Fig. 6, Fig. 7, for increasing lifting force, this utility model is provided with the hydraulic lifting mechanism 9 for hitch 10 lifting at frame 4 rear portion, described hydraulic lifting mechanism 9 includes the oil cylinder fixing base 96 being arranged in frame 4, being arranged on the fixing seat 91 on casing 72, lift arm 94 one end is connected with hitch 10, and the other end is hinged on fixing seat 91, the cylinder body of lift cylinder 95 is arranged on oil cylinder fixing base 96, and the piston rod of lift cylinder 95 couples with lift arm 94.
For meeting oiling and the ventilation of change speed gear box, this utility model is provided with oiling plug screw 93 on fixing seat 91.
Existing hoisting way adopts the horizontal movement of the oil cylinder being arranged on change speed gear box, promotes farm implements by linkage, and owing to structure limits, the arm of force is shorter, and lifting force is not enough；As adopted relatively large power takeoff to mate, then cannot be arranged on change speed gear box.
For this, the main tie of the farming mechanism of the present embodiment is articulated with in the suspension main tie mounting point 92 on fixing seat 91, and two lateral bracing struts are articulated with the end of lift arm 94, and another point couples with frame 4.The tank filler sleeve of change speed gear box 7 is the oiling plug screw 93 of hydraulic lifting mechanism 9, can meet change speed gear box simultaneously and refuel and ventilation.When needs lifting or decline farming mechanism, controlling the automatically controlled overflow valve on tractor, make the piston rod elongation of lift cylinder 95 or shrink, the lift arm 94 jointed shaft along fixing seat 91 synchronizes lifting or decline.
The present embodiment can change the size of lifting force either directly through the size changing oil cylinder, can mate with the type of different horsepower from the fit on of gear box of tractor, and design is more reasonable, and it is good to promote stationarity, and lifting force is big.
Remaining with embodiment 1,2.
Claims (10)
1. a caterpillar tractor change speed gear box, it includes casing, casing is provided with the power shaft driven by power, it is characterized in that power shaft couples with left planetary gears, right planetary gears through main speed-changing mechanism, secondary gear, left planetary gears couples with left driving wheel, and right planetary gears couples with right driving wheel；Described main speed-changing mechanism includes the walking buncher and the machinery variable block case that are arranged on casing both sides, and power shaft couples with walking buncher power shaft and machinery variable block case power shaft through a pair spiral bevel gear, castellated separation gear；Walking buncher output shaft and machinery variable block case output shaft couple with left planetary gears, right planetary gears through secondary gear；Casing side is provided with and turns to buncher, turns to buncher power shaft to couple with secondary gear, turns to buncher output shaft to couple with left planetary gears or right planetary gears.
2. caterpillar tractor change speed gear box according to claim 1, is characterized in that the sun gear of described left planetary gears couples with left driving wheel, and the sun gear of right planetary gears couples with right driving wheel.
3. caterpillar tractor change speed gear box according to claim 1, turns to buncher power shaft to couple with the secondary gear shift axle of secondary gear described in it is characterized in that.
4. caterpillar tractor change speed gear box according to claim 1, turns to the buncher power shaft first line of a couplet to be connected to parking brake mechanism described in it is characterized in that.
5. caterpillar tractor change speed gear box according to claim 1, buncher output shaft is turned to be provided with two groups of gear outputs described in it is characterized in that, one group couples with left planetary gears gear ring or right planetary gears gear ring through carrier gear, and another group couples with right planetary gears gear ring or left planetary gears gear ring.
6. caterpillar tractor change speed gear box according to claim 1, is characterized in that described machinery variable block case includes 2 forward gears, 1 gear that falls back, and described secondary gear includes 3 gears, it is achieved 6 pace outputs of change speed gear box, 3 reverse velocity outputs.
7. one kind adopts the caterpillar tractor of caterpillar tractor change speed gear box as described in claim 1 or 2 or 3 or 4 or 5 or 6, it includes frame, frame is provided with power, change speed gear box, operating mechanism and hitch, it is characterized in that described operating mechanism includes walking control section and handling maneuver portion, described walking control section includes the walking variable-speed control being arranged on walking buncher and the mechanical variable block case stick being arranged on machinery variable block case, and rack-mounted forward-reverse torque arm is coupled with walking variable-speed control by forward-reverse pull bar；Described handling maneuver portion includes being arranged on the variable-speed control that turns to turned on buncher, rack-mounted turn to torque arm to pass through steering linkage and turns to variable-speed control and couple, and steering wheel couples with turning to torque arm.
8. caterpillar tractor according to claim 7, it is characterized in that frame front is provided with Bulldozing mechanism, described Bulldozing mechanism includes rack-mounted center of rotation seat, prop up stay tube one end and shovel soil plate, ejector dozer are installed, the other end is hinged with center of rotation seat, the cylinder body of soil-shifting oil cylinder is arranged on center of rotation seat, and the piston rod of soil-shifting oil cylinder is hinged on a stay tube.
9. caterpillar tractor according to claim 7, it is characterized in that frame rear portion is provided with the hydraulic lifting mechanism for hitch lifting, described hydraulic lifting mechanism includes rack-mounted oil cylinder fixing base, it is arranged on the fixing seat on casing, lift arm one end is connected with hitch, the other end is hinged on fixing seat, and the cylinder body of lift cylinder is arranged on oil cylinder fixing base, and the piston rod of lift cylinder couples with lift arm.
10. caterpillar tractor according to claim 9, is characterized in that fixing seat is provided with oiling plug screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154082.XU CN205401657U (en) | 2016-03-01 | 2016-03-01 | Track type tractor gearbox and track type tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620154082.XU CN205401657U (en) | 2016-03-01 | 2016-03-01 | Track type tractor gearbox and track type tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401657U true CN205401657U (en) | 2016-07-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620154082.XU Withdrawn - After Issue CN205401657U (en) | 2016-03-01 | 2016-03-01 | Track type tractor gearbox and track type tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401657U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570439A (en) * | 2016-03-01 | 2016-05-11 | 益阳资江联合收割机开发有限公司 | Caterpillar tractor gearbox and caterpillar tractor |
| CN106627758A (en) * | 2017-02-15 | 2017-05-10 | 长沙桑铼特农业机械设备有限公司 | Proportional steering driving axle for caterpillar band device |
| CN108860343A (en) * | 2018-08-03 | 2018-11-23 | 第拖拉机股份有限公司 | Floods and droughts dual-purpose type crawler tractor |
| CN111634186A (en) * | 2020-06-09 | 2020-09-08 | 中联重机浙江有限公司 | Tractor with multistage power distribution transmission |
-
2016
- 2016-03-01 CN CN201620154082.XU patent/CN205401657U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570439A (en) * | 2016-03-01 | 2016-05-11 | 益阳资江联合收割机开发有限公司 | Caterpillar tractor gearbox and caterpillar tractor |
| CN105570439B (en) * | 2016-03-01 | 2017-11-07 | 益阳资江联合收割机开发有限公司 | Caterpillar tractor gearbox and caterpillar tractor |
| CN106627758A (en) * | 2017-02-15 | 2017-05-10 | 长沙桑铼特农业机械设备有限公司 | Proportional steering driving axle for caterpillar band device |
| CN106627758B (en) * | 2017-02-15 | 2017-12-15 | 长沙桑铼特农业机械设备有限公司 | A kind of proportion expression steering and driving axle for crawler equipment |
| CN108860343A (en) * | 2018-08-03 | 2018-11-23 | 第拖拉机股份有限公司 | Floods and droughts dual-purpose type crawler tractor |
| CN108860343B (en) * | 2018-08-03 | 2023-10-20 | 第一拖拉机股份有限公司 | Amphibious crawler tractor |
| CN111634186A (en) * | 2020-06-09 | 2020-09-08 | 中联重机浙江有限公司 | Tractor with multistage power distribution transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160727 Effective date of abandoning: 20171107 |
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| AV01 | Patent right actively abandoned |