CN110370926B - Tractor load type stepless speed changing box - Google Patents
Tractor load type stepless speed changing box Download PDFInfo
- Publication number
- CN110370926B CN110370926B CN201810334238.6A CN201810334238A CN110370926B CN 110370926 B CN110370926 B CN 110370926B CN 201810334238 A CN201810334238 A CN 201810334238A CN 110370926 B CN110370926 B CN 110370926B
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- gear
- shaft
- clutch
- torque converter
- bearing
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- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 6
- 238000003971 tillage Methods 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 17
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/10—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of fluid gearing
- B60K17/105—Units comprising at least a part of the gearing and a torque-transmitting axle, e.g. transaxles
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention relates to a tractor load type stepless speed changing box, which mainly comprises: the gear box comprises a spring plate, a torque converter, high-low speed driving teeth, a sliding sleeve gear, an output driven shaft, a gear pump driven wheel, clutch driving teeth, high-low speed driven teeth, a long shaft and the like. The spring plate is arranged on the torque converter, the torque converter is arranged on the guide wheel seat, the guide wheel seat is connected with the clutch box, the gear pump driving wheel is arranged on the torque converter, the gear pump driving wheel is meshed with the gear pump driven wheel, one end of the clutch shaft is arranged on the clutch box body, the other end of the clutch shaft is arranged on the gearbox partition plate, the clutch driving tooth is arranged on the torque converter shaft and meshed with the clutch wheel seat, and the long shaft is arranged on the output driving shaft and connected with the torque converter shaft. The hydraulic torque converter with high efficiency and high reliability is adopted, manual gear shifting is not needed, the operation is simple and convenient, the gear is not damaged in the gear shifting process, and the problems of insufficient output power, small torque, serious power loss and low operation efficiency of the tractor in the traditional sense are solved.
Description
Technical Field
The invention relates to a load type stepless speed changing box of a tractor.
Background
At present, most of existing agricultural tractors are manually shifted, the operation process is complex, shifting is troublesome and laborious, oil consumption is high, a clamping phenomenon is easy to occur in the shifting process, tires are easy to slip, power output is insufficient, torque is small, power loss is serious, abnormal noise tooth striking phenomenon is easy to occur due to uneven meshing between gears in the shifting process, the service life of the gears is slightly influenced, the gears are directly damaged due to heavy weight, in addition, the position of a stop lever is limited by space and is unreasonable, the man-machine engineering is not met, the driving level requirement on a driver is high, and the operation and the use are not facilitated.
Disclosure of Invention
The invention aims to overcome the defects and provide a load type stepless gearbox of a tractor, which mainly solves the problems that the mechanical manual gear shifting operation is complex, the gear shifting is troublesome and laborious, the gear is damaged in the gear shifting process, the output power of the tractor is insufficient, the torque is small, the power loss is serious and the like. The invention aims to realize that the tractor load type stepless speed changing box is composed of: the gear box comprises a spring plate, a torque converter shaft, a torque converter partition plate, a gear pump driving wheel, a guide wheel seat bearing, a first bearing, a clutch box body, a clutch wheel seat, a piston, a clutch plate, a spring, a high-speed driving tooth, a clutch shaft, a second bearing, a gear box partition plate, a split seat, a low-speed driving tooth, a high-speed driven tooth, a low-speed driven tooth, a clutch driving tooth, a gear pump spline housing, a third bearing, a gear pump driven wheel, a fourth bearing, a sliding sleeve gear, an output driven shaft, a muddy mode gear, a fifth bearing, a long shaft, a sixth bearing, an output driving shaft, a running mode gear, a cultivated land gear, a gearbox body, a seventh bearing, an inlet valve, a gear pump, an outlet valve and an operating valve. The elastic plate is arranged on the torque converter, the torque converter is arranged on the guide wheel seat, the guide wheel seat is connected with the clutch box body, the torque converter shaft is arranged on the guide wheel seat through a guide wheel seat bearing and is connected with the torque converter, the gear pump driving wheel is arranged on the torque converter and is meshed with the gear pump driven wheel, a torque converter baffle plate is arranged between the torque converter and the gear pump driving wheel, the gear pump driven wheel is arranged on a gear pump spline sleeve, the gear pump spline sleeve is arranged on the clutch box body through a third bearing, the inlet valve, the gear pump and the outlet valve are arranged on the clutch box body, one end of the clutch shaft is arranged on the clutch box body through a first bearing, the other end of the clutch shaft is arranged on the gearbox baffle plate through a second bearing, the clutch wheel seat is arranged on the clutch shaft, the piston, the spring, the clutch plate, the high-speed driving tooth and the low-speed driving tooth are respectively arranged on the clutch shaft, the split seat is arranged on the gearbox baffle plate, the clutch driving tooth is arranged on the torque converter shaft and is meshed with the clutch wheel seat, the long shaft is arranged on the output driving shaft, the gear pump is connected with the gear pump spline sleeve, the low-speed driven tooth and the high-speed driven tooth is arranged on the output box body through a sixth bearing, the output shaft is arranged on the output shaft bearing, the fifth bearing is arranged on the output shaft, the output shaft is arranged on the output shaft through the fifth bearing, the fifth bearing and the output shaft is arranged on the output shaft, the output shaft is arranged on the transmission box, and the transmission shaft through the fifth bearing, and the transmission bearing is arranged on the transmission bearing, and the transmission is arranged on the transmission and the transmission. The product adopts the hydraulic torque converter with high efficiency and high reliability, manual gear shifting is not needed, the operation is simple and convenient, the gear shifting is time-saving and labor-saving, no damage is caused to gears in the gear shifting process, abnormal gear engagement and tooth beating can not occur, the service life of the gears is prolonged, the problems of insufficient output power, small torque, serious power loss and low operation efficiency of the traditional tractor are solved, the experiment proves that the torque of the 55 horsepower stepless speed change tractor is increased by more than one time compared with the same tractor, the traction force is not lower than that of a 110 horsepower common tractor, because the torque converter in the stepless speed change box of the tractor can play the role of changing the torque and the horse power, the product utilizes the maximum torque value which is not excavated by the torque converter to compensate the walking traction force and the torque of power output, the oil supply quantity and the gear pump of the torque converter are changed, the rotating speed is improved, the torque converter output torque reaches the maximum torque value to be achieved to supply to the power output shaft and the traveling gear shaft, therefore, the torque traction of the like product can be achieved and exceeded by more than half, the stepless speed change tractor has an overload protection function, the flameout phenomenon can not occur when the load is overlarge, the service life of the engine is not influenced by the overhigh water temperature and the overhigh oil temperature caused by the overload of the engine, the front axle and the rear axle and the engine can be effectively protected, the service life of the tractor can be prolonged, the gear shifting is stable, the speed and the variable load can be accurately controlled, the engine can reach the optimal power point and the economic point under any working environment, the oil is saved during operation, the production cost of a user is reduced, and the cultivation efficiency is improved.
Description of the drawings:
fig. 1 is a structural sectional view of a tractor load type continuously variable transmission of the present invention.
Fig. 2 is a structural cross-sectional view of the transmission body of the tractor-loaded continuously variable transmission of the present invention.
Fig. 3 is a schematic diagram of the structure of the inlet valve, gear pump and outlet valve of the loading stepless gearbox of the tractor mounted on the clutch box body.
Fig. 4 is a schematic view of the structure of the tractor load type continuously variable transmission operating valve of the present invention mounted on the transmission body.
1-spring plate 2-torque converter 3-torque converter shaft 4-torque converter partition plate
5-gear pump driving wheel 6-guide wheel seat 7-guide wheel seat bearing
8-first bearing 9-clutch box 10-clutch wheel seat
11-piston 12-clutch plate 13-spring 14-high speed driving tooth
15-clutch shaft 16-second bearing 17-gearbox separator
18-split-flow seat 19-low-speed driving tooth 20-high-speed driven tooth 21-low-speed driven tooth
22-clutch driving teeth 23-gear pump spline housing 24-third bearing 25-gear pump driven wheel
26-fourth bearing 27-sliding sleeve gear 28-output driven shaft 29-muddy mode gear 30-fifth bearing
31-long shaft 32-sixth bearing 33-output driving shaft 34-running mode gear 35-cultivated land mode gear 36-gearbox 37-seventh bearing 38-inlet valve
39 gear pump 40 outlet valve 41 pilot valve
The specific embodiment is as follows: the following describes in detail the preferred embodiment of the present invention with reference to the accompanying drawings, the tractor load type continuously variable transmission comprises: the gear box comprises a spring plate 1, a torque converter 2, a torque converter shaft 3, a torque converter baffle plate 4, a gear pump driving wheel 5, a guide wheel seat 6, a guide wheel seat bearing 7, a first bearing 8, a clutch box 9, a clutch wheel seat 10, a piston 11, a clutch plate 12, a spring 13, a high-speed driving tooth 14, a clutch shaft 15, a second bearing 16, a gearbox baffle plate 17, a split seat 18, a low-speed driving tooth 19, a high-speed driven tooth 20, a low-speed driven tooth 21, a clutch driving tooth 22, a gear pump spline housing 23, a third bearing 24, a gear pump driven wheel 25, a fourth bearing 26, a sliding sleeve gear 27, an output driven shaft 28, a muddy mode gear 29, a fifth bearing 30, a long shaft 31, a sixth bearing 32, an output driving shaft 33, a running mode gear 34, a cultivated mode gear 35, a gearbox box 36, a seventh bearing 37, an inlet valve 38, a gear pump 39, an outlet valve 40 and an operating valve 41. The spring plate 1 is arranged on the torque converter 2, is connected with an engine in use, the torque converter 2 is arranged on the guide wheel seat 6, the guide wheel seat 6 is connected with the clutch box 9, the torque converter shaft 3 is arranged on the guide wheel seat 6 through the guide wheel seat bearing 7 and is connected with the torque converter 2, the gear pump driving wheel 5 is arranged on the torque converter 2 and is meshed with the gear pump driven wheel 25, a torque converter baffle plate 4 is arranged between the torque converter 2 and the gear pump driving wheel 5, the gear pump driven wheel 25 is arranged on the gear pump spline sleeve 23, the gear pump spline sleeve 23 is arranged on the clutch box 9 through a third bearing 24, the inlet valve 38, the gear pump 39 and the outlet valve 40 are arranged on the clutch box 9, one end of the clutch shaft 15 is arranged on the clutch box 9 through a first bearing 8, the other end is arranged on the gear box baffle plate 17 through a second bearing 16, the clutch wheel seat 10 is mounted on the clutch shaft 15, the piston 11, the spring 13, the clutch plate 12, the high-speed driving gear 14 and the low-speed driving gear 19 are respectively mounted on the clutch shaft 15, the split seat 18 is mounted on the transmission partition 17, the clutch driving gear 22 is mounted on the torque converter shaft 3 and meshed with the clutch wheel seat 10, the long shaft 31 is mounted on the output driving shaft 33 and connected with the torque converter shaft 3, the low-speed driven gear 21 and the high-speed driven gear 20 are mounted on the output driving shaft 33, the output driving shaft 33 is mounted on the transmission housing 36 through a sixth bearing 32 and a seventh bearing 37, the running mode gear 34 and the cultivated land mode gear 35 are mounted on the output driving shaft 33, the output driven shaft 28 is mounted on the transmission housing 36 through a fourth bearing 26 and a fifth bearing 30, the operating valve 41 is mounted on the transmission housing 36, the sliding sleeve gear 27, A mud pattern gear 29 is mounted on the output driven shaft 28.
The working principle is that when in operation, the engine drives the elastic plate 1 to rotate, thereby the torque converter 2 connected with the elastic plate 1 rotates, the torque converter 2 drives the gear pump driving wheel 5 to rotate, thereby the gear pump driven wheel 25 meshed with the gear pump driving wheel 5 rotates, the gear pump 39 is driven to rotate, and the oil in the clutch box 9 and the gearbox box 36 is sucked out, and enters the inlet valve 38, and the oil in the inlet valve 38 enters the operating valve 41 after the oil comes out, and the other part enters the torque converter 2, the operating valve 41 controls the oil to enter the clutch shaft 15, the torque converter 2 rotates, the power is transmitted to the torque converter shaft 3, the torque converter shaft 3 is transmitted to the clutch driving tooth 22 and the long shaft 31, the long shaft 31 and the clutch driving tooth 22 are transmitted to the clutch wheel seat 10, the clutch wheel seat 10 rotates to drive the high-speed driving tooth 14, the low-speed driving tooth 19 rotates, the operating valve 41 controls the oil to enter the clutch shaft to drive the gear to rotate, then the low-speed driven teeth 21 and the high-speed driven teeth 20 are driven to rotate, the low-speed driven teeth 21 and the high-speed driven teeth 20 rotate and then drive the output driving shaft 33 to rotate, the running mode gear 34 and the cultivated land mode gear 35 rotate along with the rotation, the sliding sleeve gear 27 can slide to any one of the running mode gear 34, the cultivated land mode gear 35 and the muddy mode gear 29, the power can be transmitted to the output driven shaft 28, three gear shifting modes including the muddy mode, the cultivated land mode and the walking mode are realized through the running mode gear 34, the cultivated land mode gear 35 and the muddy mode gear 29, the gear shifting process is electrically controlled, the operation of the three modes and the forward and backward conversion are adopted by the power and the control, the gear conversion is realized by adopting the key operation, one of the high-speed clutch is realized by adopting the electric push rod and the sensor, the clutch is a low-speed clutch, the clutch is transmitted to the high-speed clutch by hydraulic force in the gear shifting process, the clutch is driven at a high speed, the high-speed driving is from 0 to 55 km per hour, the clutch is driven at a low speed, the low-speed driving is from 0 to 35 km per hour, the control is simple and convenient, and the operation control system is arranged in a cab.
Claims (1)
1. A tractor load type stepless speed changing box is composed of a spring plate (1), a torque converter (2), a torque converter shaft (3), a torque converter baffle plate (4), a gear pump driving wheel (5), a guide wheel seat (6), a guide wheel seat bearing (7), a first bearing (8), a clutch box body (9), a clutch wheel seat (10), a piston (11), a clutch plate (12), a spring (13), a high-speed driving gear (14), a clutch shaft (15), a second bearing (16), a speed changing box baffle plate (17), a shunt seat (18), a low-speed driving gear (19), a high-speed driven gear (20), a low-speed driven gear (21), a clutch driving gear (22), a gear pump spline sleeve (23), a third bearing (24), a driven gear (25), a fourth bearing (26), a sliding sleeve gear (27), an output driven shaft (28), a mud mode gear (29), a fifth bearing (30), a long shaft (31), a sixth bearing (32), an output driving shaft (33), a running mode gear (34), a tillage mode gear (35), a speed changing box body (36), a seventh bearing (37), an inlet valve (38), a gear pump (39) and an outlet valve (41), the method is characterized in that: the elastic plate (1) is arranged on the torque converter (2), the torque converter (2) is arranged on the guide wheel seat (6), the guide wheel seat (6) is connected with the clutch box body (9), the torque converter shaft (3) is arranged on the guide wheel seat (6) through the guide wheel seat bearing (7) and is connected with the torque converter (2), the gear pump driving wheel (5) is arranged on the torque converter (2) and is meshed with the gear pump driven wheel (25), the torque converter baffle plate (4) is arranged between the torque converter (2) and the gear pump driving wheel (5), the gear pump driven wheel (25) is arranged on the gear pump spline sleeve (23), the gear pump spline sleeve (23) is arranged on the clutch box body (9) through a third bearing (24), the inlet valve (38), the gear pump (39) and the outlet valve (40) are arranged on the clutch box body (9), one end of the clutch shaft (15) is arranged on the clutch box body (9) through the first bearing (8), the other end of the clutch shaft (15) is arranged on the gear box baffle plate (17) through the second bearing (16), the clutch wheel seat (10) is arranged on the clutch shaft (15), the clutch shaft (11), the clutch disc (12) and the driving gear (19) is arranged on the driving gear (14) and the driving gear (19) is arranged on the driving gear shaft (13) with high speed, the split-flow seat (18) is arranged on a gearbox partition plate (17), the clutch driving gear (22) is arranged on the torque converter shaft (3) and meshed with the clutch wheel seat (10), the long shaft (31) is arranged on the output driving shaft (33) and connected with the torque converter shaft (3), the low-speed driven gear (21) and the high-speed driven gear (20) are arranged on the output driving shaft (33), the output driving shaft (33) is arranged on a gearbox body (36) through a sixth bearing (32) and a seventh bearing (37), the running mode gear (34) and the cultivated land mode gear (35) are arranged on the output driving shaft (33), the output driven shaft (28) is arranged on the gearbox body (36) through a fourth bearing (26) and a fifth bearing (30), the control valve (41) is arranged on the gearbox body (36), and the sliding sleeve gear (27) and the mud mode gear (29) are arranged on the output driven shaft (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334238.6A CN110370926B (en) | 2018-04-14 | 2018-04-14 | Tractor load type stepless speed changing box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810334238.6A CN110370926B (en) | 2018-04-14 | 2018-04-14 | Tractor load type stepless speed changing box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370926A CN110370926A (en) | 2019-10-25 |
| CN110370926B true CN110370926B (en) | 2024-03-29 |
Family
ID=68243051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810334238.6A Active CN110370926B (en) | 2018-04-14 | 2018-04-14 | Tractor load type stepless speed changing box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110370926B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257080B1 (en) * | 1998-08-28 | 2001-07-10 | Daewoo Heavy Industries Ltd. | Power-Shifted transmission for industrial vehicles |
| CN1851293A (en) * | 2006-05-18 | 2006-10-25 | 邓亚民 | Automobile ordinary geartrain hydraulic speed transmission |
| CN201241945Y (en) * | 2008-05-01 | 2009-05-20 | 常连生 | Speed variator for small-sized engineering machinery |
| CN101603582A (en) * | 2009-06-05 | 2009-12-16 | 六安金霞齿轮有限公司 | Hydraulic transmission box |
| CN202646555U (en) * | 2012-02-21 | 2013-01-02 | 洛阳市博马农业工程机械有限公司 | Transmission device for speed changing box of tractor |
| CN205806383U (en) * | 2016-07-14 | 2016-12-14 | 青州弥河金利特机械有限公司 | Loader high and low shift hydraulic transmission box |
| CN208069406U (en) * | 2018-04-14 | 2018-11-09 | 京山三雷重工股份有限公司 | Tractor load type infinitely variable transmission |
-
2018
- 2018-04-14 CN CN201810334238.6A patent/CN110370926B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6257080B1 (en) * | 1998-08-28 | 2001-07-10 | Daewoo Heavy Industries Ltd. | Power-Shifted transmission for industrial vehicles |
| CN1851293A (en) * | 2006-05-18 | 2006-10-25 | 邓亚民 | Automobile ordinary geartrain hydraulic speed transmission |
| CN201241945Y (en) * | 2008-05-01 | 2009-05-20 | 常连生 | Speed variator for small-sized engineering machinery |
| CN101603582A (en) * | 2009-06-05 | 2009-12-16 | 六安金霞齿轮有限公司 | Hydraulic transmission box |
| CN202646555U (en) * | 2012-02-21 | 2013-01-02 | 洛阳市博马农业工程机械有限公司 | Transmission device for speed changing box of tractor |
| CN205806383U (en) * | 2016-07-14 | 2016-12-14 | 青州弥河金利特机械有限公司 | Loader high and low shift hydraulic transmission box |
| CN208069406U (en) * | 2018-04-14 | 2018-11-09 | 京山三雷重工股份有限公司 | Tractor load type infinitely variable transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110370926A (en) | 2019-10-25 |
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