CN203176272U - Speed changer for tractor - Google Patents
Speed changer for tractor Download PDFInfo
- Publication number
- CN203176272U CN203176272U CN 201320086820 CN201320086820U CN203176272U CN 203176272 U CN203176272 U CN 203176272U CN 201320086820 CN201320086820 CN 201320086820 CN 201320086820 U CN201320086820 U CN 201320086820U CN 203176272 U CN203176272 U CN 203176272U
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- pinion
- master
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Abstract
A speed changer for a tractor comprises a speed changer body with a shift gear (25) and a planetary speed reducer output shaft gear which is connected with a speed changing shift gear shaft of the speed changer body. The shift gear (25) is arranged to be meshed and connected with the planetary speed reducer output shaft gear. Speed reducing is achieved on the speed changing shift gear shaft of the speed changer body, speed reducing is conducted inside an output shaft of the speed changer body, a final speed reducing gear is not arranged inside the output shaft of the speed changer body, so that the noise of the speed changer is lowered, and the movement performance of the speed changer is improved.
Description
Technical field
The utility model relates to a kind of speed changer, especially a kind of speed changer for tractor.
Background technique
Speed changer is under situation that the rotating speed of the motor of tractor is certain, export different rotating speeds, and can control and turn to, when the slow-speed of revolution, can export bigger moment of torsion, when high rotating speed, have reasonable efficient, but moment of torsion is lower, so machine will start in the slow-speed of revolution when starting, the high rotating speed that is switching after operation is got up, keep efficient, the speed changer that therefore is used for tractor is a kind of important power train part, at existing speed changer for tractor, transmission terminal edged reduction gear, since for terminal is slowed down, gearbox internal gear rotating speed height, thus make the noise of speed changer big.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of speed changer for tractor, has therefore reduced the noise of speed changer, has improved the exercise performance of speed changer.
For achieving the above object, the technological scheme that the utility model is taked is: include the speed changer body with shifting gear, the planetary reducer output shaft gear that connects with the speed change gear gear shaft of speed changer body, shifting gear is set to connect with the engagement of planetary reducer output shaft gear.
Engagement by shifting gear and planetary reducer output shaft gear, realized the output of the different gear speed of speed changer body, owing to designed planetary reducer, realizing deceleration with the speed change gear gear shaft of speed changer body, just slow down on belonging in speed changer body output shaft, be not provided with level reduction gear eventually in the speed changer body output shaft, therefore reduced the noise of speed changer, improved the exercise performance of speed changer.
The utility model has designed, the speed changer body is set to include an I, the axle II, the axle III, the axle IV, the axle V, the axle VI, the axle VII, the gear I, the gear II, the gear III, the gear IV, one grade of pinion, one grade of master gear, the second gear pinion, the second gear master gear, the third gear pinion, the third gear master gear, the fourth gear pinion, the fourth gear master gear, shifting gear and reverse gear, the planetary reducer output shaft gear is set to include planetary reducer output shaft gear I and planetary reducer output shaft gear II, the center line of axle I, the center line of the center line of axle II and axle VII is arranged on same the straight line, the axle IV is set to be sleeved on the I, the axle III is set to be sleeved on the V and is set to and connects with axle V rotary type, axle I and axle IV are set to connect with engine output shaft by double-action clutch, the axle V is set to power take-off drive shaft, the axle VI is set to the reverse gear output shaft, the axle VII is set to and the secondary speed-changing device coupling shaft, the axle IV is set to connect with the axle V by the engagement driving of gear III and gear IV, the axle I is set to connect with the axle III by the engagement driving of gear I and gear II, one grade of master gear, second gear master gear and third gear master gear are arranged on the III, one grade of pinion, the second gear pinion, third gear pinion and fourth gear pinion are arranged on the II and are set to and connect by shift fork sliding type on the axle II, the fourth gear master gear is arranged on the I, shifting gear is arranged on the VII and is set to and connects by shift fork sliding type on the axle VII, reverse gear is arranged on the VI, the axle II is set to connect with the planetary reducer input shaft, one grade of pinion is set to connect with one grade of master gear engagement, the second gear pinion is set to connect with the engagement of second gear master gear, the third gear pinion is set to connect with the engagement of third gear master gear, the fourth gear pinion is set to connect with the engagement of fourth gear master gear, shifting gear is set to respectively connect with planetary reducer output shaft gear I and the engagement of planetary reducer output shaft gear II, and reverse gear is set to connect with the engagement of second gear master gear.
The utility model has designed, and the fourth gear pinion is set to internal gear.
The utility model has designed, and the speed changer body is set to also include five grades of pinions and five grades of master gears, and five grades of pinions are arranged on the II, and five grades of master gears are arranged on the III, and five grades of pinions are set to connect with five grades of master gear engagements.
The utility model has designed, and second gear pinion and five grades of pinions are set to one.
In the technical program, speed change gear gear shaft is the spindle II.
Description of drawings
Fig. 1 is first embodiment's of the present utility model schematic representation.
Fig. 2 is second embodiment's of the present utility model schematic representation.
Embodiment
Fig. 1 is first embodiment of the present utility model, specify present embodiment by reference to the accompanying drawings, include an I 1, axle II 2, axle III 3, axle IV 4, axle V 5, axle VI 6, axle VII 7, gear I 11, gear II 39, gear III 41, gear IV 51, one grade of pinion 21, one grade of master gear 31, second gear pinion 22, second gear master gear 32, third gear pinion 23, third gear master gear 33, fourth gear pinion 29, fourth gear master gear 12, shifting gear 25, planetary reducer output shaft gear I 26, planetary reducer output shaft gear II 27 and reverse gear 61, the center line of axle I 1, the center line of the center line of axle II 2 and axle VII 7 is arranged on same the straight line, axle IV 4 is set to be sleeved on the I 1, axle III 3 is set to be sleeved on the V 5 and is set to and connects with axle V 5 rotary types, axle I 1 and axle IV 4 are set to connect with engine output shaft by double-action clutch, axle V 5 is set to power take-off drive shaft, axle VI 6 is set to the reverse gear output shaft, axle VII 7 is set to and the secondary speed-changing device coupling shaft, axle IV 4 is set to connect with axle V 5 by the engagement driving of gear III 41 and gear IV 51, axle I 1 is set to connect with axle III 3 by the engagement driving of gear I 11 and gear II 39, one grade of master gear 31, second gear master gear 32 and third gear master gear 33 are arranged on the III 3, one grade of pinion 21, second gear pinion 22, third gear pinion 23 and fourth gear pinion 29 are arranged on the II 2 and are set to and connect by shift fork sliding type on axle II 2, fourth gear master gear 12 is arranged on the I 1, shifting gear 25 is arranged on the VII 7 and is set to and connects by shift fork sliding type on axle VII 7, reverse gear 61 is arranged on the VI 6, axle II 2 is set to connect with the planetary reducer input shaft, one grade of pinion 21 is set to connect with 31 engagements of one grade of master gear, second gear pinion 22 is set to connect with 32 engagements of second gear master gear, third gear pinion 23 is set to connect with 33 engagements of third gear master gear, fourth gear pinion 29 is set to connect with 12 engagements of fourth gear master gear, shifting gear 25 is set to respectively connect with planetary reducer output shaft gear I 26 and 27 engagements of planetary reducer output shaft gear II, and reverse gear 61 is set to connect with 32 engagements of second gear master gear.
In the present embodiment, fourth gear pinion 29 is set to internal gear.
When shifting gear 25 does not mesh with planetary reducer output shaft gear I 26 or planetary reducer output shaft gear II 27, be the neutral position; One grade of pinion 21 and one grade of master gear 31, shifting gear 25 is first gear with 26 engagements of planetary reducer output shaft gear I, second gear pinion 22 and second gear master gear 32, shifting gear 25 is second gear with 26 engagements of planetary reducer output shaft gear I, third gear pinion 23 and third gear master gear 33, shifting gear 25 is third gear with 26 engagements of planetary reducer output shaft gear I, fourth gear pinion 29 and fourth gear master gear 12, shifting gear 25 is the fourth speed position with 26 engagements of planetary reducer output shaft gear I, one grade of pinion 21 and one grade of master gear 31, shifting gear 25 is the 5th gear with 27 engagements of planetary reducer output shaft gear II, second gear pinion 22 and second gear master gear 32, shifting gear 25 is the 6th gear with 27 engagements of planetary reducer output shaft gear II, third gear pinion 23 and third gear master gear 33, shifting gear 25 is the 7th gear with 27 engagements of planetary reducer output shaft gear II, fourth gear pinion 29 and fourth gear master gear 12, shifting gear 25 is the 8th gear with 27 engagements of planetary reducer output shaft gear II, second gear master gear 32 and reverse gear 61, one grade of pinion 21 and reverse gear 61, shifting gear 25 is the first reverse gear position with 26 engagements of planetary reducer output shaft gear I, second gear master gear 32 and reverse gear 61, one grade of pinion 21 and reverse gear 61, shifting gear 25 is the second reverse gear position with 27 engagements of planetary reducer output shaft gear II.
Fig. 2 is second embodiment of the present utility model, specify present embodiment by reference to the accompanying drawings, include five grades of pinions 28 and five grades of master gears 38, five grades of pinions 28 are arranged on the II 2 and are set to and connect by shift fork sliding type on axle II 2, five grades of master gears 38 are arranged on the III 3, and five grades of pinions 28 are set to connect with 38 engagements of five grades of master gears.
In the present embodiment, second gear pinion 22 and five grades of pinions 28 are set to one.
Five grades of pinions 28 and five grades of master gears 38, shifting gears 25 are the 9th gear with 26 engagements of planetary reducer output shaft gear I, and five grades of pinions 28 and five grades of master gears 38, shifting gears 25 are the tenth gear with 27 engagements of planetary reducer output shaft gear II.
In the utility model, designed eight+two grades of gearboxes and picking up+two grades of gearboxes, be particularly suitable in the medium-sized tractor below 50 horsepowers, it is many to have a gear, and mobility is good, the characteristics that output torque is big.
The characteristics of the utlity model has down:
1, owing to designed planetary reducer, realizing deceleration with the speed change gear gear shaft of speed changer body, just slow down on belonging in speed changer body output shaft, be not provided with level reduction gear eventually in the speed changer body output shaft, therefore reduce the noise of speed changer, improved the exercise performance of speed changer.
2, owing to designed gear I 11, gear II 39, gear III 41, gear IV 51, one grade of pinion 21, one grade of master gear 31, second gear pinion 22, second gear master gear 32, third gear pinion 23, third gear master gear 33, fourth gear pinion 29, fourth gear master gear 12, shifting gear 25, planetary reducer output shaft gear I 26, planetary reducer output shaft gear II 27 and reverse gear 61, gear transmission, Windsor.
3, owing to designed axle I 1, axle II 2, axle III 3, axle IV 4, axle V 5, axle VI 6 and axle VII 7, rational in infrastructure, volume is little.
Above-described embodiment is provided by the utility model for a kind of way of realization in the speed changer technical field of tractor; other distortion according to scheme provided by the utility model; increase or reduce wherein composition or step; perhaps the utility model is used for other the technical field approaching with the utility model, all belongs to protection domain of the present utility model.
Claims (5)
1. speed changer that is used for tractor; It is characterized in that: include the have shifting gear speed changer body of (25), the planetary reducer output shaft gear that connects with the speed change gear gear shaft of speed changer body, shifting gear (25) is set to connect with the engagement of planetary reducer output shaft gear.
2. the speed changer for tractor according to claim 1; It is characterized in that: the speed changer body is set to include an I (1), axle II (2), axle III (3), axle IV (4), axle V (5), axle VI (6), axle VII (7), gear I (11), gear II (39), gear III (41), gear IV (51), one grade of pinion (21), one grade of master gear (31), second gear pinion (22), second gear master gear (32), third gear pinion (23), third gear master gear (33), fourth gear pinion (29), fourth gear master gear (12), shifting gear (25) and reverse gear (61), the planetary reducer output shaft gear is set to include planetary reducer output shaft gear I (26) and planetary reducer output shaft gear II (27), the center line of axle I (1), the center line of the center line of axle II (2) and axle VII (7) is arranged on same the straight line, axle IV (4) is set to be sleeved on the I (1), axle III (3) is set to be sleeved on a V (5) and goes up and be set to connect with axle V (5) rotary type, axle I (1) and axle IV (4) are set to connect with engine output shaft by double-action clutch, axle V (5) is set to power take-off drive shaft, axle VI (6) is set to the reverse gear output shaft, axle VII (7) is set to and the secondary speed-changing device coupling shaft, axle IV (4) is set to connect with axle V (5) by the engagement driving of gear III (41) and gear IV (51), axle I (1) is set to connect with axle III (3) by the engagement driving of gear I (11) and gear II (39), one grade of master gear (31), second gear master gear (32) and third gear master gear (33) are arranged on the III (3), one grade of pinion (21), second gear pinion (22), the II (2) that is arranged on third gear pinion (23) and fourth gear pinion (29) goes up and is set to go up sliding type by shift fork in axle II (2) and connects, fourth gear master gear (12) is arranged on the I (1), the VII (7) that is arranged on shifting gear (25) goes up and is set to go up sliding type by shift fork in axle VII (7) and connects, reverse gear (61) is arranged on the VI (6), axle II (2) is set to connect with the planetary reducer input shaft, one grade of pinion (21) is set to connect with one grade of master gear (31) engagement, second gear pinion (22) is set to connect with second gear master gear (32) engagement, third gear pinion (23) is set to connect with third gear master gear (33) engagement, fourth gear pinion (29) is set to connect with fourth gear master gear (12) engagement, shifting gear (25) is set to respectively connect with planetary reducer output shaft gear I (26) and planetary reducer output shaft gear II (27) engagement, and reverse gear (61) is set to connect with second gear master gear (32) engagement.
3. the speed changer for tractor according to claim 2; It is characterized in that: fourth gear pinion (29) is set to internal gear.
4. the speed changer for tractor according to claim 2; It is characterized in that: the speed changer body is set to also include five grades of pinions (28) and five grades of master gears (38), five grades of pinions (28) are arranged on the II (2), five grades of master gears (38) are arranged on the III (3), and five grades of pinions (28) are set to connect with five grades of master gears (38) engagement.
5. the speed changer for tractor according to claim 4; It is characterized in that: second gear pinion (22) and five grades of pinions (28) are set to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086820 CN203176272U (en) | 2013-02-26 | 2013-02-26 | Speed changer for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086820 CN203176272U (en) | 2013-02-26 | 2013-02-26 | Speed changer for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203176272U true CN203176272U (en) | 2013-09-04 |
Family
ID=49072972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086820 Expired - Fee Related CN203176272U (en) | 2013-02-26 | 2013-02-26 | Speed changer for tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203176272U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641129A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Farm machinery integrated five-gear transmission method |
| CN106678311A (en) * | 2017-02-15 | 2017-05-17 | 苏州萨伯工业设计有限公司 | Farm machinery integrated four-gear transmission method |
-
2013
- 2013-02-26 CN CN 201320086820 patent/CN203176272U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641129A (en) * | 2017-02-15 | 2017-05-10 | 苏州萨伯工业设计有限公司 | Farm machinery integrated five-gear transmission method |
| CN106678311A (en) * | 2017-02-15 | 2017-05-17 | 苏州萨伯工业设计有限公司 | Farm machinery integrated four-gear transmission method |
| CN106641129B (en) * | 2017-02-15 | 2018-11-27 | 苏州萨伯工业设计有限公司 | The integrated five gears drive method of farm machinery |
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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 |
Granted publication date: 20130904 Termination date: 20170226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |