CN203822966U - Gearbox provided with crawling gear and retrograding device for tractor - Google Patents
Gearbox provided with crawling gear and retrograding device for tractor Download PDFInfo
- Publication number
- CN203822966U CN203822966U CN201420214734.5U CN201420214734U CN203822966U CN 203822966 U CN203822966 U CN 203822966U CN 201420214734 U CN201420214734 U CN 201420214734U CN 203822966 U CN203822966 U CN 203822966U
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- China
- Prior art keywords
- gear
- creeper
- driven
- retrograde
- driving
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Abstract
Provided is a gearbox provided with a crawling gear and a retrograding device for a tractor. The gearbox comprises the retrograding device, a crawling gear device, a main speed-changing device and an auxiliary speed-changing device. The retrograding device, the crawling gear device, the main speed-changing device and the auxiliary speed-changing device are sequentially arrayed. One end of the retrograding device is connected with an engine. One end of the auxiliary speed-changing device is connected with a tractor rear axle. The retrograding device and the crawling gear device are arranged in a front transmission case. The main speed-changing device and the auxiliary speed-changing device are arranged in a rear transmission case. The gearbox provided with the crawling gear and the retrograding device for the tractor has following beneficial effects: reversing and gear-shifting operation is conveniently achieved by adoption of a synchronizer structure, resulting in a small gear-shifting impact and a gear-shifting force, few gear-shifting duration and high operating efficiency; the larger reduction ratio of the crawling gear is obtained by deceleration of three-stage gears; the lower maximum travel speed of the crawling gear is acceptable; gearshift of the main speed-changing device is achieved in a non-stop state by a synchronizer with a small gear-shifting impact, a gear-shifting force and high operating efficiency; and in the auxiliary speed-changing device, an auxiliary speed-changing driven shaft and a small bevel gear are of an integral structure which is compact and flexible.
Description
Technical field
The utility model belongs to tractor field, relates to the gearbox of a kind of used with tractor band creeper gear and retrograde device.
Background technique
At present, on the various high and medium power tractors of producing both at home and abroad, the creeper gear of selected dress, is generally arranged in the rear portion of Tractor Power Train.Due to the restriction of its structure, the gearbox of configuration creeper gear generally cannot select the retrograde device of dress.Although part tractor possesses creeper gear and retrograde device function simultaneously, the device that drives in the wrong direction is generally arranged in driving front case, and creeper gear is arranged in rear transmission case.Make like this complete machine structure more complicated, the modularization of power train and generalization degree are lower.For the state of the art of current China Tractor Products, in the urgent need to develop a kind of possess simultaneously retrograde device and creeper gear function, the minimum speed of a motor vehicle of creeper gear low, put into gear and handle light gear box of tractor.
Model utility content
The purpose of this utility model be to provide a kind of rational in infrastructure, simultaneously possess creeper gear and retrograde device function, the minimum speed of a motor vehicle low, put into gear and handle the gear box of tractor of portable and effective.
The technical solution of the utility model is: the gearbox of used with tractor band creeper gear and retrograde device, comprising: apparatus, creeper gear device, main transformer speed variator, secondary speed-changing device drive in the wrong direction; Retrograde apparatus, creeper gear device, main transformer speed variator, secondary speed-changing device are arranged in order, and the apparatus one end of wherein driving in the wrong direction is connected with motor, and secondary speed-changing device one end is connected with tractor rear axle E; Drive in the wrong direction apparatus and creeper gear Plant arrangement in driving front case, and main transformer speed variator, secondary speed-changing device are arranged in rear transmission case.
In retrograde apparatus, main clutch axle, retrograde device idler shaft and retrograde device driven shaft are installed from top to bottom successively; Creeper gear driven shaft is installed on creeper gear device top; Wherein main clutch axle, creeper gear driving shaft are on same straight line, and main clutch axle, reverse device idler shaft and retrograde device driven shaft axle center are parallel to each other; Power output clutch axle passes from the inside of main clutch axle, creeper gear driven shaft.
In retrograde apparatus, on main clutch axle, be installed with commutation synchronizer component, by two radial ball bearings, the retrograde device driving gear that reverses gear is installed, drive in the wrong direction on device idler shaft, by needle bearing, the retrograde device idle pulley that reverses gear to be installed, drive in the wrong direction the device that drives in the wrong direction reverse gear driven gear and retrograde device forward gear driven gear are installed on device driven shaft, the retrograde device driven gear that reverses gear is connected with retrograde device driven shaft by spline with retrograde device forward gear driving gear, and the device forward gear driving gear that drives in the wrong direction is fixedly mounted on hollow shaft by spline; The reverse device idle pulley that reverses gear is simultaneously intermeshing with retrograde device driving gear and the retrograde device driven gear that reverses gear that reverses gear, and drive in the wrong direction device forward gear driving gear and retrograde device forward gear driven gear are intermeshing; Engaging sleeve on commutation synchronizer component on main clutch axle can horizontally slip vertically.
In creeper gear device, creeper gear driven shaft is provided with engaging sleeve component by spline, by needle bearing, the secondary driving gear of three grades of driven gears of creeper gear and creeper gear duplex driven gear and the one-level driven gear of creeper gear duplex driven gear are installed, drive in the wrong direction on device driven shaft and be installed with creeper gear one-level driving gear by spline, the device driven shaft that drives in the wrong direction is equipped with three grades of driving gears of creeper gear duplex driving gear and the secondary driven gear of creeper gear duplex driving gear by needle bearing; Creeper gear one-level driving gear engages with the one-level driven gear of the driven duplicate gear of creeper gear, secondary driving gear in creeper gear duplex driven gear engages with the secondary driven gear of creeper gear duplex driving gear, and creeper gear initiatively three grades of driven gears of three grades of driving gears and creeper gears of duplicate gear engages; Engaging sleeve component on creeper gear driven shaft can horizontally slip vertically.
The utility model can reach following good effect after adopting technique scheme: the gearbox of used with tractor band creeper gear and retrograde device, adopt above-mentioned arrangement, drive path is clear, compact structure, can be by tractor engine power to tractor rear axle E, propons F and pto＝power take-off transmission.By the combination of drive in the wrong direction apparatus, creeper gear device, main transformer speed variator and secondary speed-changing device, can realize 24 forward gears and 24 gears that fall back, the gear number that falls back is many; Retrograde apparatus is arranged in main transformer speed front end, conveniently adopts synchronizer structure to realize commutation and puts into gear, and in the time of low speed, needn't stop and put into gear, and gearshift impact and gear shifting force are little, and the gearshift time is few, and operating efficiency is high; Creeper gear is slowed down and can be obtained larger reduction speed ratio by tertiary gear, and the max speed of creeper gear can be lower; The device synchronizer that drives in the wrong direction articulates forward gear, when creeper gear articulates normal speed gear, is direct gear, and transmission efficiency is high.
Brief description of the drawings
Fig. 1 is the structural representation of the gearbox of the utility model used with tractor band creeper gear and retrograde device.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.As shown in Figure 1: the gearbox of used with tractor band creeper gear and retrograde device, comprising: apparatus B1, creeper gear device B2, main transformer speed variator B3, secondary speed-changing device B4 drive in the wrong direction; Retrograde apparatus B1, creeper gear device B2, main transformer speed variator B3, secondary speed-changing device B4 are arranged in order, and the apparatus B1 one end of wherein driving in the wrong direction is connected with motor D, and secondary speed-changing device B4 one end is connected with tractor rear axle E; Retrograde apparatus B1 and creeper gear device B2 are arranged in driving front case A, and main transformer speed variator B3, secondary speed-changing device B4 are arranged in rear transmission case B.
In retrograde apparatus B1, main clutch axle S1, retrograde device idler shaft S2 and retrograde device driven shaft S3 are installed from top to bottom successively; Creeper gear driven shaft S4 is installed on creeper gear device B2 top; Wherein main clutch axle S1, creeper gear driving shaft S4 are on same straight line, and main clutch axle S1, reverse device idler shaft S2 and retrograde device driven shaft S3 axle center are parallel to each other; Power output clutch axle S6 passes from the inside of main clutch axle S1, creeper gear driven shaft S3.
In retrograde apparatus B1, on main clutch axle S1, be installed with commutation synchronizer component 12, by two radial ball bearings, the retrograde device driving gear 1 that reverses gear is installed, the device idler shaft S2 that drives in the wrong direction is upper has installed the retrograde device idle pulley 2 that reverses gear by needle bearing, drive in the wrong direction the device that drives in the wrong direction reverse gear driven gear 3 and retrograde device forward gear driven gear 5 are installed on device driven shaft S3, the retrograde device driven gear 3 that reverses gear is connected with retrograde device driven shaft S3 by spline with retrograde device forward gear driving gear 5, and the device forward gear driving gear 4 that drives in the wrong direction is fixedly mounted on hollow shaft S5 by spline; Reverse gear idle pulley 2 of reverse device is simultaneously intermeshing with retrograde device driving gear 1 and the retrograde device driven gear 3 that reverses gear that reverses gear, and drive in the wrong direction device forward gear driving gear 4 and retrograde device forward gear driven gear 5 are intermeshing; Engaging sleeve on commutation synchronizer component 12 on main clutch axle S1 can horizontally slip vertically, engages selecting respectively with reverse gear connection teeth on driving gear 1 and the connection teeth of retrograde device forward gear driving gear 4 of the device that drives in the wrong direction.
In creeper gear device B2, creeper gear driven shaft S4 is provided with engaging sleeve component 13 by spline, by needle bearing, the secondary driving gear 8 of three grades of driven gears 11 of creeper gear and creeper gear duplex driven gear and the one-level driven gear 7 of creeper gear duplex driven gear are installed, the S3 on device driven shaft that drives in the wrong direction is installed with creeper gear one-level driving gear 6 by spline, and the device driven shaft S3 that drives in the wrong direction is equipped with three grades of driving gears 10 of creeper gear duplex driving gear and the secondary driven gear 9 of creeper gear duplex driving gear by needle bearing; Creeper gear one-level driving gear 6 engages with the one-level driven gear 7 of the driven duplicate gear of creeper gear, the secondary driving gear 8 of creeper gear duplex driven gear engages with the secondary driven gear 9 of creeper gear duplex driving gear, and creeper gear initiatively three grades of driven gears 11 of three grades of driving gears 10 and creeper gears of duplicate gear engages; Engaging sleeve component 13 on creeper gear driven shaft S4 can horizontally slip vertically, to select respectively the combination tooth on combination tooth and the three grades of driven gears 11 of creeper gear on same hollow shaft S5 to combine.
Tractor engine power divides two-way as follows through the gearbox bang path of used with tractor band creeper gear and retrograde device:
The first via is delivered to power take-off G from tractor engine by power output clutch axle S6, drives tractor motive power output shaft.
The second road is delivered to the retrograde apparatus B1 of gearbox device by main clutch axle S1 from tractor engine, the apparatus B1 that drives in the wrong direction can realize two gears according to the state of the commutation synchronizer component 12 on main clutch axle S1, and the power transfer path of each gear is as follows:
Forward gear: commutation synchronizer component 12 slides and engages with the connection teeth driving in the wrong direction on device forward gear driving gear 4 to the right, and power is by main clutch axle S1 → commutation synchronizer component 12 → hollow shaft S5 and creeper gear one-level driving gear 6.
Gear falls back: commutation synchronizer component 12 connection teeth reversing gear on driving gear 1 with the device that drives in the wrong direction that slides left engages, and power is by the main clutch axle S1 → commutation synchronizer component 12 → device that the drives in the wrong direction driving gear 1 → device that the drives in the wrong direction idle pulley 2 → device that the drives in the wrong direction driven gear 3 → device forward gear driven gear 5 that drives in the wrong direction → retrograde device forward gear driving gear 4 → hollow shaft S5 and the creeper gear one-level driving gear 6 that reverse gear that reverse gear that reverse gear.
Transmission of power arrives the device forward gear driving gear 4 that drives in the wrong direction, then is delivered in creeper gear device B2 via hollow shaft S5.Creeper gear device B2 can realize two gears according to the state of the engaging sleeve component 13 on creeper gear driven shaft S4, and the power transfer path of each gear is as follows:
Normal gear: the creeper gear engaging sleeve component 13 upper fixing connection teeth combination of same hollow shaft S5 of sliding left, power is by hollow shaft S5 → creeper gear engaging sleeve component 13 → creeper gear driven shaft S4 → main transformer speed variator B3.
Creeper gear: the creeper gear engaging sleeve component 13 connection teeth combination on three grades of driven gears 11 of same creeper gear of sliding to the right, power is by three grades of driven gear 11 → creeper gear engaging sleeve component 13 → creeper gear driving shaft S4 → main transformer speed variator B3 of three grades of driving gear 10 → creeper gears of secondary driven gear 9 → creeper gear duplex driving gear of secondary driving gear 8 → creeper gear duplex driving gear of one-level driven gear 7 → creeper gear duplex driven gear of creeper gear one-level driving gear 6 → creeper gear duplex driven gear.
Like this when the apparatus B1 that drives in the wrong direction, creeper gear device B2, main transformer speed variator B3 and secondary speed-changing device B4 combination, can realize tractor engine power is transmitted to tractor rear axle E, propons F, and can realize 24 forward gears and 24 gears that fall back, realize tractor and normally travel.
Claims (4)
1. the gearbox of used with tractor band creeper gear and retrograde device, comprising: apparatus (B1), creeper gear device (B2), main transformer speed variator (B3), secondary speed-changing device (B4) drive in the wrong direction; It is characterized in that: the apparatus (B1) that drives in the wrong direction, creeper gear device (B2), main transformer speed variator (B3), secondary speed-changing device (B4) are arranged in order, wherein retrograde apparatus (B1) one end is connected with motor (D), and secondary speed-changing device (B4) one end is connected with tractor rear axle (E); The apparatus (B1) that drives in the wrong direction is arranged in driving front case (A) with creeper gear device (B2), and main transformer speed variator (B3), secondary speed-changing device (B4) are arranged in rear transmission case (B).
2. the gearbox of used with tractor band creeper gear according to claim 1 and retrograde device, is characterized in that: main clutch axle (S1), retrograde device idler shaft (S2) and retrograde device driven shaft (S3) are installed in the apparatus (B1) that drives in the wrong direction from top to bottom successively; Creeper gear driven shaft (S4) is installed on creeper gear device (B2) top; Wherein main clutch axle (S1), creeper gear driving shaft (S4) are on same straight line, and main clutch (S1), reverse device idler shaft (S2) and retrograde device driven shaft (S3) axle center are parallel to each other; Power output clutch axle (S6) passes from the inside of main clutch axle (S1), creeper gear driven shaft (S3).
3. the gearbox of used with tractor band creeper gear according to claim 1 and retrograde device, it is characterized in that: in retrograde apparatus (B1), on main clutch axle (S1), be installed with commutation synchronizer component (12), by two radial ball bearings, the retrograde device driving gear (1) that reverses gear is installed, the device idler shaft (S2) that drives in the wrong direction is upper has installed the retrograde device idle pulley (2) that reverses gear by needle bearing, drive in the wrong direction the device that drives in the wrong direction reverse gear driven gear (3) and retrograde device forward gear driven gear (5) are installed on device driven shaft (S3), the retrograde device driven gear (3) that reverses gear is connected with retrograde device driven shaft (S3) by spline with retrograde device forward gear driving gear (5), the device forward gear driving gear (4) that drives in the wrong direction is fixedly mounted on hollow shaft (S) by spline, the reverse device idle pulley (2) that reverses gear is simultaneously intermeshing with retrograde device driving gear (1) and the retrograde device driven gear (3) that reverses gear that reverses gear, and retrograde device forward gear driving gear (4) and retrograde device forward gear driven gear (5) are intermeshing, engaging sleeve on commutation synchronizer component (12) on main clutch axle (S1) can horizontally slip vertically.
4. the gearbox of used with tractor band creeper gear according to claim 1 and retrograde device, it is characterized in that: in creeper gear device (B2), creeper gear driven shaft (S4) is provided with engaging sleeve component (13) by spline, by needle bearing, the secondary driving gear (8) of three grades of driven gears of creeper gear (11) and creeper gear duplex driven gear and the one-level driven gear (7) of creeper gear duplex driven gear are installed, on retrograde device driven shaft, (S3) is installed with creeper gear one-level driving gear (6) by spline, the device driven shaft (S3) that drives in the wrong direction is equipped with three grades of driving gears (10) of creeper gear duplex driving gear and the secondary driven gear (9) of creeper gear duplex driving gear by needle bearing, creeper gear one-level driving gear (6) engages with the one-level driven gear (7) of the driven duplicate gear of creeper gear, secondary driving gear (8) in creeper gear duplex driven gear engages with the secondary driven gear (9) of creeper gear duplex driving gear, and creeper gear initiatively three grades of driving gears (10) of duplicate gear engages with three grades of driven gears of creeper gear (11), engaging sleeve component (13) on creeper gear driven shaft (S4) can horizontally slip vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214734.5U CN203822966U (en) | 2014-04-30 | 2014-04-30 | Gearbox provided with crawling gear and retrograding device for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420214734.5U CN203822966U (en) | 2014-04-30 | 2014-04-30 | Gearbox provided with crawling gear and retrograding device for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822966U true CN203822966U (en) | 2014-09-10 |
Family
ID=51478474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420214734.5U Expired - Fee Related CN203822966U (en) | 2014-04-30 | 2014-04-30 | Gearbox provided with crawling gear and retrograding device for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822966U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912638A (en) * | 2014-04-30 | 2014-07-09 | 第一拖拉机股份有限公司 | Gearbox with crawling block and retrograde device for tractor |
| CN110805663A (en) * | 2019-10-29 | 2020-02-18 | 第一拖拉机股份有限公司 | Tractor transmission device capable of realizing modular combination of different functions |
| CN113124112A (en) * | 2021-03-23 | 2021-07-16 | 第一拖拉机股份有限公司 | Tractor power high gear and power reversing and crawling gear combined transmission device |
-
2014
- 2014-04-30 CN CN201420214734.5U patent/CN203822966U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103912638A (en) * | 2014-04-30 | 2014-07-09 | 第一拖拉机股份有限公司 | Gearbox with crawling block and retrograde device for tractor |
| CN110805663A (en) * | 2019-10-29 | 2020-02-18 | 第一拖拉机股份有限公司 | Tractor transmission device capable of realizing modular combination of different functions |
| CN110805663B (en) * | 2019-10-29 | 2024-05-24 | 第一拖拉机股份有限公司 | Tractor transmission device with modularized combination of different functions |
| CN113124112A (en) * | 2021-03-23 | 2021-07-16 | 第一拖拉机股份有限公司 | Tractor power high gear and power reversing and crawling gear combined transmission device |
| CN113124112B (en) * | 2021-03-23 | 2022-07-19 | 第一拖拉机股份有限公司 | Tractor power high gear and power reversing and crawling gear combined transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170430 |