CN103161888B - For the speed changer of tractor - Google Patents
For the speed changer of tractor Download PDFInfo
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- CN103161888B CN103161888B CN201310094130.1A CN201310094130A CN103161888B CN 103161888 B CN103161888 B CN 103161888B CN 201310094130 A CN201310094130 A CN 201310094130A CN 103161888 B CN103161888 B CN 103161888B
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Abstract
A kind of speed changer for tractor, include the derailleur body with shifting gear (25), the cone gear I (8) connected with the speed change gear gear shaft of derailleur body, the two gear converter devices connected with secondary speed-changing device, the bevel gear II (9) that be connected engagement type with the input shaft of two gear converter devices, cone gear I (8) is set to engage with bevel gear II (9) connect, with the speed change gear gear shaft of derailleur body on achieve deceleration, use cone gear I (8) and bevel gear II (9) as intermediate gear, high pulling torque is transmitted by the engagement of cone gear I (8) and bevel gear II (9), do not re-use shifting gear as intermediate gear, therefore the transfer of torque of speed changer is increased, improve the exercise performance of speed changer.
Description
Technical field
The present invention relates to a kind of speed changer, especially a kind of speed changer for tractor.
Background technique
Speed changer is by when certain for the rotating speed of the motor of tractor, export different rotating speeds, and can control to turn to, larger moment of torsion can be exported when the slow-speed of revolution, reasonable efficiency is had when high rotating speed, but moment of torsion is lower, so machine is when startup, to start in the slow-speed of revolution, the high rotating speed switched after running, keep efficiency, therefore the speed changer for tractor is a kind of important power train part, existing in the speed changer of tractor, transmission terminal edged reduction gear, owing to being terminal slowdown, gearbox internal gear rotating speed is high, thus make the noise of speed changer large.
Summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind of speed changer for tractor, therefore increasing the transfer of torque of speed changer, improve the exercise performance of speed changer.
For achieving the above object, the technological scheme that the present invention takes is: include the derailleur body with shifting gear, the cone gear I connected with the speed change gear gear shaft of derailleur body, the two gear converter devices, the bevel gear II that be connected engagement type with the input shaft of two gear converter devices that connect with secondary speed-changing device, cone gear I is set to engage with bevel gear II connect.
By two gear converter devices, achieve the output of the different gear speed of derailleur body, owing to devising cone gear I and bevel gear II, with the speed change gear gear shaft of derailleur body on achieve deceleration, use cone gear I and bevel gear II as intermediate gear, transmit high pulling torque by the engagement of cone gear I and bevel gear II, do not re-use shifting gear as intermediate gear, therefore increase the transfer of torque of speed changer, improve the exercise performance of speed changer.
In the present embodiment, bevel gear II is set to disc type cone gear.
The present invention devises, and also includes axle VI, reverse gear I and reverse gear II, derailleur body is set to include axle I, axle III, axle V, one grade of master gear, one grade of pinion, second gear master gear, second gear pinion, third gear master gear, third gear pinion, fourth gear master gear, fourth gear pinion, high speed duplicate gear, low speed duplicate gear, high-grade gear, low regime clutch and high and low shift engaging sleeve, two gear converter devices are set to include axle IV, axle VII, driving gear I, driving gear II, shifting gear I and shifting gear II, the center line of axle I and the center line of axle IV are arranged on same straight line, axle III to be set to be sleeved on axle V and to be set to connect with axle V rotary type, axle I is placed through clutch and connects with engine output shaft, axle I and axle IV are set to power take-off drive shaft, axle VI is set to reverse gear output shaft, and axle VII is set to and secondary speed-changing device coupling shaft, one grade of pinion, second gear pinion, third gear pinion, fourth gear pinion, high-grade gear and low regime clutch are arranged on axle III, one grade of master gear, second gear master gear, third gear master gear and fourth gear master gear to be arranged on axle I and to be placed through spline and connect with sliding type on axle I, high speed duplicate gear and low speed duplicate gear are arranged on axle I, driving gear I and driving gear II are arranged on axle IV, shifting gear I and shifting gear II to be arranged on axle VII and to be placed through spline and connect with sliding type on axle VII, reverse gear I and reverse gear II to be arranged on axle VI and to be placed through spline and connect with sliding type on axle VI, cone gear I is arranged on axle V, high and low shift engaging sleeve to be arranged on axle V and to be placed through spline and connects with sliding type on axle V, bevel gear II is arranged on case of transmission, axle IV is set to engage with bevel gear II connect, one grade of master gear is set to engage with one grade of pinion connect, second gear master gear is set to engage with second gear pinion connect, third gear master gear is set to engage with third gear pinion connect, fourth gear master gear is set to engage with fourth gear pinion connect, high-grade gear is set to engage with high speed duplicate gear connect, low regime clutch is set to the engagement of low speed duplicate gear and connects, driving gear I is set to engage with shifting gear I connect, driving gear II is set to engage with shifting gear II connect, reverse gear I is set to one grade of pinion engagement and connects, reverse gear II is set to engage with second gear pinion connect.
The present invention devises, and third gear master gear and fourth gear master gear are set to integral type, and high speed duplicate gear and low speed duplicate gear are set to integral type, and high-grade gear and axle III are set to integral type.
The present invention devises, also include V grade of engaging sleeve and reverse gear III, V grade of engaging sleeve to be arranged on axle I and to be set to connect with high speed duplicate gear and low speed duplicate gear contact-type, reverse gear I is arranged on axle VI, reverse gear II is arranged on axle III, reverse gear III is arranged on axle I, and reverse gear III is set to engage with reverse gear I connect, and reverse gear I is set to engage with reverse gear II connect.
The present invention devises, and reverse gear I is set to idle pulley.
The present invention devises, and the side of a grade of pinion, third gear pinion and low regime clutch is provided with the shelves engaging sleeve that spline and axle III are slidably connected.
The present invention devises, and spline is set to involute splines.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of first embodiment of the present invention:
Fig. 2 is the schematic diagram of second embodiment of the present invention.
Embodiment
Fig. 1 is first embodiment of the present invention, illustrates the present embodiment by reference to the accompanying drawings, includes axle I 1, axle III 3, axle IV 4, axle V 5, axle VI 6, axle VII 7, one grade of master gear 11, one grade of pinion 31, second gear master gear 12, second gear pinion 32, third gear master gear 13, third gear pinion 33, fourth gear master gear 14, fourth gear pinion 34, high speed duplicate gear 15, low speed duplicate gear 16, high-grade gear 35, low regime clutch 36, driving gear I 41, driving gear II 42, shifting gear I 71, shifting gear II 72, reverse gear I 61, reverse gear II 62, cone gear I 8, bevel gear II 9, high and low shift engaging sleeve 51, the center line of axle I 1 and the center line of axle IV 4 are arranged on same straight line, axle III 3 to be set to be sleeved on axle V 5 and to be set to connect with axle V 5 rotary type, axle I 1 is placed through clutch and connects with engine output shaft, axle IV 4 and axle V 5 are set to power take-off drive shaft, axle VI 6 is set to reverse gear output shaft, and axle VII 7 is set to and secondary speed-changing device coupling shaft, one grade of pinion 31, second gear pinion 32, third gear pinion 33, fourth gear pinion 34, high-grade gear 35 and low regime clutch 36 are arranged on axle III 3, one grade of master gear 11, second gear master gear 12, third gear master gear 13 and fourth gear master gear 14 to be arranged on axle I 1 and to be placed through spline and connect with axle I 1 sliding type, high speed duplicate gear 15 and low speed duplicate gear 16 are arranged on axle I 1, driving gear I 41 and driving gear II 42 are arranged on axle IV 4, shifting gear I 71 and shifting gear II 72 to be arranged on axle VII 7 and to be placed through spline and connect with sliding type on axle VII 7, reverse gear I 61 and reverse gear II 62 to be arranged on axle VI 6 and to be placed through spline and connect with sliding type on axle VI 6, cone gear I 8 is arranged on axle V 5, high and low shift engaging sleeve 51 to be arranged on axle V 5 and to be placed through spline and connects with sliding type on axle V 5, bevel gear II 9 is arranged on case of transmission, cone gear I 8 is set to engage with bevel gear II 9 connect, axle IV 4 is set to engage with bevel gear II 9 connect, one grade of master gear 11 is set to engage with one grade of pinion 31 connect, second gear master gear 12 is set to engage with second gear pinion 32 connect, third gear master gear 13 is set to engage with third gear pinion 33 connect, fourth gear master gear 14 is set to engage with fourth gear pinion 34 connect, high-grade gear 35 is set to engage with high speed duplicate gear 15 connect, low regime clutch 36 is set to low speed duplicate gear 16 and engages connection, driving gear I 41 is set to engage with shifting gear I 71 connect, driving gear II 42 is set to engage with shifting gear II 72 connect, reverse gear I 61 is set to one grade of pinion 31 and engages connection, reverse gear II 62 is set to engage with second gear pinion 32 connect.
In the present embodiment, bevel gear II 9 is set to disc type cone gear.
In the present embodiment, third gear master gear 13 and fourth gear master gear 14 are set to integral type, and high speed duplicate gear 15 and low speed duplicate gear 16 are set to integral type, and high-grade gear 35 and axle III 3 are set to integral type.
In the present embodiment, spline is set to involute splines.
When high and low shift engaging sleeve 51 is connected axle V 5 with low regime clutch 36, high-grade gear 35 engages with high speed duplicate gear 15 and connects, low speed duplicate gear 16 engages with low regime clutch 36 and connects, be just low gear: one grade of master gear 11 engages with one grade of pinion 31 and connects, second gear master gear 12 engages with second gear pinion 32 and connects, third gear master gear 13 engages with third gear pinion 33 and connects or fourth gear master gear 14, fourth gear pinion 34 engages and connects, by cone gear I 8, bevel gear II 9, driving gear I 41, driving gear II 42, shifting gear I 71 and shifting gear II 72, axle VII 7 is made to export low gear, when high and low shift engaging sleeve 51 is connected axle V 5 with high-grade gear 35, be just high gear: one grade of master gear 11 engage with one grade of pinion 31 connect, second gear master gear 12 engage with second gear pinion 32 connect, third gear master gear 13 engages with third gear pinion 33 and to connect or fourth gear master gear 14, fourth gear pinion 34 engage and connect, by cone gear I 8, bevel gear II 9, driving gear I 41, driving gear II 42, shifting gear I 71 and shifting gear II 72, axle VII 7 is made to export high gear, when high and low shift engaging sleeve 51 is connected axle V 5 with low regime clutch 36, high-grade gear 35 engage with high speed duplicate gear 15 connect, low speed duplicate gear 16 engages with low regime clutch 36 and connects, reverse gear I 61 engage with one grade of pinion 31 connect, reverse gear II 62 engages with second gear pinion 32 and connects, and is just low reverse gears position, when high and low shift engaging sleeve 51 is connected axle V 5 with high-grade gear 35, reverse gear I 61 engage with one grade of pinion 31 connect, reverse gear II 62 engages with second gear pinion 32 and connects, and is just high speed reverse position.
Fig. 2 is second embodiment of the present invention, illustrate the present embodiment by reference to the accompanying drawings, include V grade of engaging sleeve 19 and reverse gear III 63, V grade of engaging sleeve 19 to be arranged on axle I 1 and to be set to connect with high speed duplicate gear 15 and low speed duplicate gear 16 contact-type, reverse gear I 61 is arranged on axle VI 6, reverse gear II 62 is arranged on axle III 3, reverse gear III 63 is arranged on axle I 1, reverse gear III 63 is set to engage with reverse gear I 61 connect, and reverse gear I 61 is set to engage with reverse gear II 62 connect.
In the present embodiment, reverse gear I 61 is set to idle pulley.
In the present embodiment, the side of a grade of pinion 31, third gear pinion 33 and low regime clutch 36 is provided with the shelves engaging sleeve that spline and axle III 3 are slidably connected.
In the present embodiment, spline is set to involute splines.
When high and low shift engaging sleeve 51 is connected axle V 5 with low regime clutch 36, high-grade gear 35 engage with high speed duplicate gear 15 connect, low speed duplicate gear 16 engages with low regime clutch 36 and connects, engaging sleeve is connected reverse gear II 62 with axle III 3, reverse gear III 63 engages with reverse gear I 61 and connects, reverse gear I 61 engages with reverse gear II 62 and connects, and is just low reverse gears position; When high and low shift engaging sleeve 51 is connected axle V 5 with high-grade gear 35, engaging sleeve is connected reverse gear II 62 with axle III 3, reverse gear III 63 engages with reverse gear I 61 and connects, and reverse gear I 61 engages with reverse gear II 62 and connects, and is just high speed reverse position.
In the present invention, devise eight+two grades of gearboxes and pick up+two grades of gearboxes, be particularly suitable for, in the medium-sized tractor of less than 50 horsepowers, having gear many, mobility is good, the feature that output torque is large.
The present invention has lower feature:
1, owing to devising cone gear I 8 and bevel gear II 9, with the speed change gear gear shaft of derailleur body on achieve deceleration, use cone gear I 8 and bevel gear II 9 as intermediate gear, high pulling torque is transmitted by the engagement of cone gear I 8 and bevel gear II 9, do not re-use shifting gear as intermediate gear, therefore increase the transfer of torque of speed changer, improve the exercise performance of speed changer.
2, owing to devising one grade of master gear 11, one grade of pinion 31, second gear master gear 12, second gear pinion 32, third gear master gear 13, third gear pinion 33, fourth gear master gear 14, fourth gear pinion 34, high speed duplicate gear 15, low speed duplicate gear 16, high-grade gear 35, low regime clutch 36, driving gear I 41, driving gear II 42, shifting gear I 71, shifting gear II 72, reverse gear I 61, reverse gear II 62, cone gear I 8 and bevel gear II 9, gear transmission, Windsor.
3, owing to devising axle I 1, 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 present invention for a kind of way of realization in the transmission technology field of tractor; according to other distortion of scheme provided by the present invention; the composition increased or reduce wherein or step; or the present invention is used for other the technical field close with the present invention, all belongs to protection scope of the present invention.
Claims (6)
1. the speed changer for tractor; It is characterized in that: include the derailleur body with shifting gear, the cone gear I (8) connected with the speed change gear gear shaft of derailleur body, the two gear converter devices, the bevel gear II (9) that be connected engagement type with the input shaft of two gear converter devices that connect with secondary speed-changing device, cone gear I (8) is set to engage with bevel gear II (9) connect;
Bevel gear II (9) is set to disc type cone gear;
Also include axle VI (6), reverse gear I (61) and reverse gear II (62), derailleur body is set to include axle I (1), axle III (3), axle V (5), one grade of master gear (11), one grade of pinion (31), second gear master gear (12), second gear pinion (32), third gear master gear (13), third gear pinion (33), fourth gear master gear (14), fourth gear pinion (34), high speed duplicate gear (15), low speed duplicate gear (16), high-grade gear (35), low regime clutch (36) and high and low shift engaging sleeve (51), two gear converter devices are set to include axle IV (4), axle VII (7), driving gear I (41), driving gear II (42), shifting gear I (71) and shifting gear II (72), the center line of axle I (1) and the center line of axle IV (4) are arranged on same straight line, axle III (3) is set to be sleeved on axle V (5) and goes up and be set to connect with axle V (5) rotary type, axle I (1) is placed through clutch and connects with engine output shaft, axle IV (4) and axle V (5) are set to power take-off drive shaft, axle VI (6) is set to reverse gear output shaft, axle VII (7) is set to and secondary speed-changing device coupling shaft, one grade of pinion (31), second gear pinion (32), third gear pinion (33), fourth gear pinion (34), high-grade gear (35) and low regime clutch (36) are arranged on axle III (3), one grade of master gear (11), second gear master gear (12), third gear master gear (13) and fourth gear master gear (14) are arranged on axle I (1) and go up and be placed through the upper sliding type of spline and axle I (1) and connect, high speed duplicate gear (15) and low speed duplicate gear (16) are arranged on axle I (1), driving gear I (41) and driving gear II (42) are arranged on axle IV (4), shifting gear I (71) and shifting gear II (72) are arranged on axle VII (7) and go up and be placed through the upper sliding type of spline and axle VII (7) and connect, reverse gear I (61) and reverse gear II (62) are arranged on axle VI (6) and go up and be placed through the upper sliding type of spline and axle VI (6) and connect, cone gear I (8) is arranged on axle V (5), high and low shift engaging sleeve (51) is arranged on axle V (5) and goes up and be placed through the upper sliding type of spline and axle V (5) and connect, bevel gear II (9) is arranged on case of transmission, axle V (5) is set to engage with bevel gear II (9) connect, one grade of master gear (11) is set to engage with one grade of pinion (31) connect, second gear master gear (12) is set to engage with second gear pinion (32) connect, third gear master gear (13) is set to engage with third gear pinion (33) connect, fourth gear master gear (14) is set to engage with fourth gear pinion (34) connect, high-grade gear (35) is set to engage with high speed duplicate gear (15) connect, low regime clutch (36) is set to low speed duplicate gear (16) engagement and connects, driving gear I (41) is set to engage with shifting gear I (71) connect, driving gear II (42) is set to engage with shifting gear II (72) connect, reverse gear I (61) is set to one grade of pinion (31) engagement and connects, reverse gear II (62) is set to engage with second gear pinion (32) connect.
2. the speed changer for tractor according to claim 1; It is characterized in that: third gear master gear (13) and fourth gear master gear (14) are set to integral type, high speed duplicate gear (15) and low speed duplicate gear (16) are set to integral type, and high-grade gear (35) and axle III (3) are set to integral type.
3. the speed changer for tractor according to claim 1, it is characterized in that: also include V grade of engaging sleeve (19) and reverse gear III (63), V grade of engaging sleeve (19) is arranged on axle I (1) and goes up and be set to connect with high speed duplicate gear (15) and low speed duplicate gear (16) contact-type, reverse gear I (61) is arranged on axle VI (6), reverse gear II (62) is arranged on axle III (3), reverse gear III (63) is arranged on axle I (1), reverse gear III (63) is set to engage with reverse gear I (61) connect, reverse gear I (61) is set to engage with reverse gear II (62) connect.
4. the speed changer for tractor according to claim 3; It is characterized in that: reverse gear I (61) is set to idle pulley.
5. the speed changer for tractor according to claim 3; It is characterized in that: the side of one grade of pinion (31), third gear pinion (33) and low regime clutch (36) is provided with the shelves engaging sleeve that spline and axle III (3) are slidably connected.
6. the speed changer for tractor according to claim 3; It is characterized in that: spline is set to involute splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094130.1A CN103161888B (en) | 2013-03-22 | 2013-03-22 | For the speed changer of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310094130.1A CN103161888B (en) | 2013-03-22 | 2013-03-22 | For the speed changer of tractor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103161888A CN103161888A (en) | 2013-06-19 |
| CN103161888B true CN103161888B (en) | 2015-09-23 |
Family
ID=48585275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310094130.1A Active CN103161888B (en) | 2013-03-22 | 2013-03-22 | For the speed changer of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103161888B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212546Y (en) * | 2008-05-09 | 2009-03-25 | 浙江海天机械有限公司 | Low speed gear box attached on tractor |
| CN201573541U (en) * | 2009-12-24 | 2010-09-08 | 中国一拖集团有限公司 | Gear box device of wheeled tractor |
| CN203176269U (en) * | 2013-03-22 | 2013-09-04 | 泰安泰山国泰拖拉机制造有限公司 | Speed changer for tractor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6237542A (en) * | 1985-08-09 | 1987-02-18 | Kubota Ltd | Shift mechanism for farm tractor |
| KR100366245B1 (en) * | 1998-12-09 | 2003-02-11 | 대동공업주식회사 | Transmission assembly of the tractor |
-
2013
- 2013-03-22 CN CN201310094130.1A patent/CN103161888B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201212546Y (en) * | 2008-05-09 | 2009-03-25 | 浙江海天机械有限公司 | Low speed gear box attached on tractor |
| CN201573541U (en) * | 2009-12-24 | 2010-09-08 | 中国一拖集团有限公司 | Gear box device of wheeled tractor |
| CN203176269U (en) * | 2013-03-22 | 2013-09-04 | 泰安泰山国泰拖拉机制造有限公司 | Speed changer for tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103161888A (en) | 2013-06-19 |
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