CN219734197U - Control system for power reversing gearbox of tractor - Google Patents
Control system for power reversing gearbox of tractor Download PDFInfo
- Publication number
- CN219734197U CN219734197U CN202321044424.9U CN202321044424U CN219734197U CN 219734197 U CN219734197 U CN 219734197U CN 202321044424 U CN202321044424 U CN 202321044424U CN 219734197 U CN219734197 U CN 219734197U
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- hydraulic oil
- control system
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 52
- 239000003921 oil Substances 0.000 claims description 50
- 230000005540 biological transmission Effects 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 15
- 238000002955 isolation Methods 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 7
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000000630 rising effect Effects 0.000 description 3
- 241001233242 Lontra Species 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a control system for a power reversing gearbox of a tractor, which relates to the technical field of tractors and specifically comprises a speed changing structure and a reversing structure, wherein one end of an inner cavity of the speed changing structure is movably connected with a power input shaft, the other end of the inner cavity of the speed changing structure is movably connected with a speed changing shaft, the speed changing structure is connected with the reversing structure through the speed changing shaft, and the bottom of the speed changing structure is fixedly connected with a hydraulic oil filter. This a be used for tractor power switching-over gearbox control system, through the setting of speed change structure, this system makes the speed change axle can produce different rotational speeds through controlling the hydraulic oil time at epaxial impact force of speed change, has replaced traditional mode with gear drive and has made the speed change axle produce different rotational speeds for this speed change structure is in the use, and the heating rate of hydraulic oil slows down, and the impurity volume that contains in the hydraulic oil is few, reduces the influence to gearbox lubricating oil control system, the use of this system of being convenient for.
Description
Technical Field
The utility model relates to the technical field of tractors, in particular to a control system for a power reversing gearbox of a tractor.
Background
The tractor is mainly used for field operation and road transportation, the long-time heavy-load operation has huge test on the tractor gearbox, the power reversing gearbox is one of the common tractor gearboxes in the current market, and the power reversing gearbox is one upgrade based on the mechanical gear gearbox. The gear assembly is characterized by a forward/reverse controlled shuttle rod which automatically disengages, commutates and reengages the clutch as it moves from one position through neutral to another, depending on the speed and rotational speed of the tractor. When the field operation is actually carried out, the tractor is often required to be replaced in a large number of forward and backward directions, and at the moment, the power reversing tractor can greatly reduce the burden of a driver and improve the operation efficiency.
Among the prior art, the patent application number of authorizing of CN201721602793.X has proposed a full power shift and reversing tractor gearbox, including full power shift main drive, full power shift auxiliary drive, full power shift main drive, full power shift auxiliary drive arrange in proper order, full power shift main drive one end is connected with the tractor engine, full power shift auxiliary drive one end is connected with central transmission, installs one axle, diaxon and triaxial in the full power shift main drive, installs triaxial, tetraxial and penta in the full power shift auxiliary drive.
When the scheme is used, a large number of gears and clutches are contained in the transmission, the transmission is complex in structure and difficult to maintain, abrasion and a large amount of heat are generated during gear operation, so that the temperature rising speed of lubricating oil in the transmission is increased, impurities contained in the lubricating oil are increased, and the influence on a lubrication control system of the transmission is large
Disclosure of Invention
The utility model provides a control system for a power reversing gearbox of a tractor, which solves the problems that the temperature rising speed of lubricating oil in the gearbox is increased, the quantity of impurities in the lubricating oil is increased, and the influence on a lubrication control system of the gearbox is large because the control system contains a large number of gears and clutches, is complex in structure and difficult to maintain in the prior art.
The utility model provides the following technical scheme: a turbine blade is arranged on an output shaft of a speed change structure in a gearbox, the output shaft of the speed change structure is rotated by utilizing the impact force of hydraulic oil on the turbine blade to replace the traditional gear transmission, the temperature rising speed of the hydraulic oil in the gearbox is reduced, the impurity content in the hydraulic oil is reduced, the impact force of the hydraulic oil on the turbine blade is changed, different rotating speeds can be generated on the output shaft, the structure is simple, the production is easy, and the power reversing gearbox control system is easy to maintain when used on a tractor.
The control system for the power reversing gearbox of the tractor comprises a speed changing structure and a reversing structure, wherein one end of an inner cavity of the speed changing structure is movably connected with a power input shaft, the other end of the inner cavity of the speed changing structure is movably connected with a speed changing shaft, the speed changing structure is connected with the reversing structure through the speed changing shaft, the bottom of the speed changing structure is fixedly connected with a hydraulic oil filter, and the bottom of the hydraulic oil filter is fixedly connected with an oil drain pipe;
one end of the power input shaft is positioned at the outer side of the inner cavity of the speed change structure, the other end of the power input shaft is fixedly connected with the power input shaft of the hydraulic oil pump, an oil inlet pipe is fixedly connected with an oil inlet of the hydraulic oil pump, the other end of the oil inlet pipe extends to the outer side of the speed change structure, and an oil outlet of the hydraulic oil pump is fixedly connected with an oil outlet pipe I;
the outer ring of the speed-changing shaft is uniformly and fixedly connected with a turbine blade group, the outer ring of the turbine blade group is movably connected with a shielding cover, one side of the top end of the shielding cover is fixedly connected with a liquid inlet pipe, one side of the end of the liquid inlet pipe is fixedly connected with an overflow pipe, the other end of the liquid inlet pipe is provided with an electric ball valve, the other end of the liquid inlet pipe is fixedly connected with a first oil outlet pipe, the middle part of the bottom of the isolation cover is fixedly connected with a second oil outlet pipe, and the other end of the second oil outlet pipe is fixedly connected with the oil inlet end of the hydraulic oil filter.
Preferably, one end swing joint of diversion structure inner chamber has the transmission shaft with the gear shaft adaptation, the outer lane fixedly connected with drive gear first and drive gear second of the transmission shaft other end, one side swing joint of diversion structure inner chamber other end has the connecting gear with the first meshing of drive gear, the opposite side fixedly connected with diversion wheel of connecting gear, the middle part fixedly connected with hydraulic piston rod of diversion structure inner chamber other end, the other end fixedly connected with carriage release lever of hydraulic piston rod, the one end fixedly connected with drive gear third of carriage release lever near the connecting gear, the middle part fixedly connected with of the three other ends of drive gear with the diversion gear of connecting gear adaptation, one side swing joint of diversion structure inner chamber has power output shaft, power output shaft passes through the connecting rod with the carriage release lever and is connected.
Preferably, the first transmission gear, the second transmission gear, the connecting gear and the turning gear have the same structure, one end of the connecting rod, which is close to the connecting gear, is movably connected with the inner cavity of the end of the power output shaft, and the other end of the connecting rod is clamped with the inner cavity of the end, which is close to the connecting gear, of the power output shaft.
Preferably, the inner diameter of the oil outlet pipe II is the same as that of the oil outlet pipe I, a shielding screen plate is fixedly connected in the inner cavity of the bottom end of the oil outlet pipe II, a cross valve is fixedly connected to the bottom of the oil outlet pipe II, and the cross valve is in contact with the shielding screen plate.
Preferably, one end of the speed changing shaft, which is close to the transmission shaft, is fixedly connected with a polygonal rod, and a connecting hole matched with the polygonal rod is formed in the middle of the transmission shaft.
Preferably, the turbine blades in the turbine blade set are in contact with an inner wall of the shroud.
Preferably, the sum of the flow rate of the end, connected with the isolation cover, of the liquid inlet pipe and the flow rate in the overflow pipe is the same as the flow rate of the first oil outlet pipe.
Compared with the prior art, the utility model has the following beneficial effects:
1. this a be used for tractor power switching-over gearbox control system, through the setting of speed change structure, this system makes the speed change axle can produce different rotational speeds through controlling the hydraulic oil time at epaxial impact force of speed change, has replaced traditional mode with gear drive and has made the speed change axle produce different rotational speeds for this speed change structure is in the use, and the heating rate of hydraulic oil slows down, and the impurity volume that contains in the hydraulic oil is few, reduces the influence to gearbox lubricating oil control system, the use of this system of being convenient for.
2. This a power switching-over gearbox control system for tractor through the setting of diversion structure, and this system can realize power switching-over's function, and simple to use, and diversion structure and speed change structure connected mode's setting makes the dismouting that diversion structure and speed change structure can be quick, dismouting and maintenance when being convenient for this control system use.
Drawings
FIG. 1 is a schematic view of the bottom of the structure of the present utility model;
FIG. 2 is a schematic view of the inside of the structure of the present utility model;
FIG. 3 is a schematic view of the inside of the direction changing structure of the present utility model;
FIG. 4 is a schematic view of a shift axle of the present utility model;
FIG. 5 is an enlarged schematic view of the structural cage of the present utility model;
FIG. 6 is a schematic diagram of two cross sections of an oil outlet pipe of the structure of the present utility model;
FIG. 7 is a schematic cross-sectional view of a power take-off shaft of the present utility model.
In the figure: 1. a speed change structure; 2. a turning structure; 3. a power input shaft; 4. a power output shaft; 5. a hydraulic oil filter; 6. an oil drain pipe; 7. an oil inlet pipe; 8. a hydraulic oil pump; 9. an oil outlet pipe I; 10. an isolation cover; 11. a variable speed shaft; 12. a transmission shaft; 13. a first transmission gear; 14. a transmission gear II; 15. a connecting gear; 16. a direction-changing wheel; 17. a change gear; 18. a transmission gear III; 19. a hydraulic piston rod; 20. a connecting rod; 21. a moving rod; 22. a turbine blade set; 23. a polygonal rod; 24. a liquid inlet pipe; 25. an overflow pipe; 26. an electric ball valve; 27. an oil outlet pipe II; 28. a cross valve; 29. the screen plate is shielded.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a control system for a power reversing gearbox of a tractor, which comprises a speed changing structure 1 and a direction changing structure 2, wherein the speed changing structure 1 is used for changing the speed of the power reversing gearbox of the tractor, and the direction changing structure 2 is used for changing the rotation direction of a power annular gearbox of the tractor.
The turning structure 2 comprises a transmission shaft 12 and a power output shaft 4, the transmission shaft 12 and the power output shaft 4 are movably connected with the turning structure 2, and the transmission shaft 12 and the power output shaft 4 are respectively positioned on different sides of two ends of the turning structure 2.
The outer lane fixedly connected with transmission gear one 13 and transmission gear two 14 of the transmission shaft 12 other end, the one end swing joint of diversion structure 2 inner chamber has the connecting gear 15 with transmission gear one 13 meshing, the opposite side fixedly connected with diversion wheel 16 of connecting gear 15, the middle part fixedly connected with hydraulic piston rod 19 of diversion structure 2 inner chamber other end, the other end fixedly connected with movable rod 21 of hydraulic piston rod 19, the one end fixedly connected with transmission gear three 18 of movable rod 21 being close to connecting gear 15, the middle part fixedly connected with of transmission gear three 18 other end is with the diversion gear 17 of connecting gear 15 adaptation, power take off shaft 4 passes through connecting rod 20 with movable rod 21 and the one end that connecting rod 20 is close to connecting gear 15 and the inner chamber swing joint of this end of power take off shaft 4, the other end of connecting rod 20 and the inner chamber joint of power take off shaft 4 being close to connecting gear 15.
As is clear from the above description of the direction changing structure 2, the hydraulic piston rod 19 can change the position of the direction changing gear 17, the direction changing gear 17 and the second transmission gear 14 can be meshed, at this time, the rotation direction of the power output shaft 4 is opposite to the rotation direction of the transmission shaft 12, the direction changing gear 17 can drive the connecting gear 15 to be meshed with the direction changing gear 16, at this time, the rotation direction of the power output shaft 4 is opposite to the rotation direction of the transmission shaft 12.
The first transmission gear 13, the second transmission gear 14, the connecting gear 15 and the turning gear 17 have the same structure, and the arrangement is such that the rotation speed of the power output shaft 4 is the same as the rotation speed of the transmission shaft 12.
The speed change structure 1 comprises a power input shaft 3 and a speed change shaft 11, wherein one end of an inner cavity of the speed change structure 1 is movably connected with the power input shaft 3, one end of the power input shaft 3 is positioned at the outer side of the inner cavity of the speed change structure 1, the other end of the power input shaft 3 is fixedly connected with the power input shaft of a hydraulic oil pump 8, an oil inlet pipe 7 is fixedly connected with an oil inlet of the hydraulic oil pump 8, the other end of the oil inlet pipe 7 extends to the outer side of the speed change structure 1, an oil outlet pipe 9 is fixedly connected with an oil outlet of the hydraulic oil pump 8, the hydraulic oil pump 8 can work by rotating the power input shaft 3, and when the system is used, the other end of the oil inlet pipe 7 extends to a hydraulic oil tank in a tractor, and the hydraulic oil pump 8 can enable the hydraulic oil pump in the hydraulic oil tank to flow into the inner cavity of the oil outlet pipe 9.
The bottom fixedly connected with hydraulic oil filter 5 of variable speed structure 1, the bottom fixedly connected with oil drain pipe 6 of hydraulic oil filter 5, hydraulic oil filter 5 filters hydraulic oil through the filter screen, impurity piece in the hydraulic oil filters, the even fixedly connected with play oil pipe two 27 in top of hydraulic oil filter 5, the internal diameter of play oil pipe two 27 is the same with the internal diameter of play oil pipe one 9, and the intracavity fixedly connected with that goes out oil pipe two 27 bottom shelters from otter board 29, the bottom fixedly connected with cross valve 28 of play oil pipe two 27, cross valve 28 and shelter from otter board 29 contact, so set up, can prevent the hydraulic oil refluence in the hydraulic oil filter 5.
The top fixedly connected with cage 10 of delivery pipe two 27, variable speed shaft 11 and the middle part swing joint of cage 10 inner chamber, the even fixedly connected with turbine blade group 22 of outer lane of variable speed shaft 11, cage 10 and turbine blade group 22 adaptation, turbine blade in the turbine blade group 22 and the inner wall contact of cage 10, and one side fixedly connected with feed liquor pipe 24 on cage 10 top, one side fixedly connected with overflow pipe 25 of this end of feed liquor pipe 24, the other end of feed liquor pipe 24 is equipped with electric ball valve 26, the other end and the delivery pipe one 9 fixed connection of feed liquor pipe 24, when the hydraulic oil in the feed liquor pipe 24 is the state of entering into the inner chamber of cage 10 with the tangent state of cage 10 inner wall, the turbine blade in the turbine blade group 22 can be promoted to hydraulic oil and rotate, and then make variable speed shaft 11 take place the rotation.
The sum of the flow rate at the end of the inlet pipe 24 connected with the isolation cover 10 and the flow rate in the overflow pipe 25 is the same as the flow rate of the first oil outlet pipe 9, and the inner diameter at the end of the inlet pipe 24 connected with the isolation cover 10 is designed by a person skilled in the art according to the movement speed of the tractor.
The transmission shaft 11 is close to the one end fixedly connected with polygonal rod 23 of transmission shaft 12, and the middle part of transmission shaft 12 is equipped with the connecting hole with polygonal rod 23 adaptation, through the setting of connecting hole and polygonal rod 23, the dismouting of speed change structure 1 and diversion structure 2 of being convenient for.
The oil drain pipe 6 and the overflow pipe 25 return the hydraulic oil back to the hydraulic oil tank.
To sum up: when the power reversing gearbox control system for the tractor is used, according to the gear of the tractor selected by a user, the electric ball valve 26 on the corresponding liquid inlet pipe 24 works, the inner cavity of the liquid inlet pipe 24 is in an open state by the work of the electric ball valve 26, the power input shaft 3 drives the hydraulic oil pump 8 to work, the hydraulic oil pump 8 pumps hydraulic oil in a hydraulic oil tank in the tractor, the pumped hydraulic oil enters the inner cavity of the isolation cover 10 along the liquid inlet pipe 24, hydraulic oil sprayed out of the liquid inlet pipe 24 generates impact force on turbine blades, the turbine blades rotate, the turbine blades drive the speed change shaft 11 fixedly connected with the turbine blades to rotate, and the speed change shaft 11 drives the power output shaft 4 to rotate through the transmission shaft 12.
Standard parts used in the present utility model can be purchased from the market, the special-shaped parts can be customized according to the descriptions of the specification and the drawings, the specific connection modes of the parts are conventional means such as bolts, rivets, welding and the like which are mature in the prior art, and the machines, the parts and the equipment are conventional models in the prior art, so that details which are not described in detail in the specification belong to the prior art which is well known to the person skilled in the art, and although the embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made in these embodiments without departing from the principle and spirit of the present utility model, and the scope of the present utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a be used for tractor power switching-over gearbox control system, includes speed change structure (1) and diversion structure (2), its characterized in that: one end of the inner cavity of the speed changing structure (1) is movably connected with a power input shaft (3), the other end of the inner cavity of the speed changing structure (1) is movably connected with a speed changing shaft (11), the speed changing structure (1) is connected with the turning structure (2) through the speed changing shaft (11), the bottom of the speed changing structure (1) is fixedly connected with a hydraulic oil filter (5), and the bottom of the hydraulic oil filter (5) is fixedly connected with an oil drain pipe (6);
one end of the power input shaft (3) is positioned at the outer side of an inner cavity of the speed change structure (1), the other end of the power input shaft (3) is fixedly connected with the power input shaft of the hydraulic oil pump (8), an oil inlet pipe (7) is fixedly connected with an oil inlet of the hydraulic oil pump (8), the other end of the oil inlet pipe (7) extends to the outer side of the speed change structure (1), and an oil outlet pipe I (9) is fixedly connected with an oil outlet of the hydraulic oil pump (8);
the novel hydraulic oil filter is characterized in that the outer ring of the speed change shaft (11) is uniformly and fixedly connected with a turbine blade group (22), the outer ring of the turbine blade group (22) is movably connected with an isolation cover (10), one side of the top end of the isolation cover (10) is fixedly connected with a liquid inlet pipe (24), one side of the end of the liquid inlet pipe (24) is fixedly connected with an overflow pipe (25), the other end of the liquid inlet pipe (24) is provided with an electric ball valve (26), the other end of the liquid inlet pipe (24) is fixedly connected with a first oil outlet pipe (9), the middle part of the bottom of the isolation cover (10) is fixedly connected with a second oil outlet pipe (27), and the other end of the second oil outlet pipe (27) is fixedly connected with the oil inlet end of the hydraulic oil filter (5).
2. A control system for a tractor power reversing gearbox as defined by claim 1 wherein: one end swing joint of diversion structure (2) inner chamber has transmission shaft (12) with gear shaft (11) adaptation, the outer lane fixedly connected with drive gear (13) and drive gear two (14) of transmission shaft (12) other end, one side swing joint of diversion structure (2) inner chamber other end has connecting gear (15) with drive gear one (13) meshing, the opposite side fixedly connected with diversion wheel (16) of connecting gear (15), the middle part fixedly connected with hydraulic piston rod (19) of diversion structure (2) inner chamber other end, the other end fixedly connected with movable rod (21) of hydraulic piston rod (19), the one end fixedly connected with drive gear three (18) that movable rod (21) is close to connecting gear (15), the middle part fixedly connected with and the diversion gear (17) of connecting gear (15) adaptation of the middle part fixedly connected with of drive gear three (18) other end, one side swing joint of diversion structure (2) inner chamber has power take off shaft (4), power take off shaft (4) are connected with movable rod (21) through connecting rod (20).
3. A control system for a tractor power reversing gearbox as defined by claim 2 wherein: the structure of the transmission gear I (13), the transmission gear II (14), the connecting gear (15) and the turning gear (17) is the same, one end of the connecting rod (20) close to the connecting gear (15) is movably connected with the inner cavity of the end of the power output shaft (4), and the other end of the connecting rod (20) is connected with the inner cavity of the end of the power output shaft (4) close to the connecting gear (15) in a clamping mode.
4. A control system for a tractor power reversing gearbox as defined by claim 1 wherein: the inner diameter of the oil outlet pipe II (27) is the same as that of the oil outlet pipe I (9), a shielding screen plate (29) is fixedly connected in an inner cavity at the bottom end of the oil outlet pipe II (27), a cross valve (28) is fixedly connected to the bottom of the oil outlet pipe II (27), and the cross valve (28) is in contact with the shielding screen plate (29).
5. A control system for a tractor power reversing gearbox according to claim 3, characterized in that: one end of the speed changing shaft (11) close to the transmission shaft (12) is fixedly connected with a polygonal rod (23), and a connecting hole matched with the polygonal rod (23) is formed in the middle of the transmission shaft (12).
6. A control system for a tractor power reversing gearbox as defined by claim 1 wherein: the turbine blades in the turbine blade set (22) are in contact with the inner wall of the shroud (10).
7. A control system for a tractor power reversing gearbox as defined by claim 1 wherein: the sum of the flow rate of the end, connected with the isolation cover (10), of the liquid inlet pipe (24) and the flow rate in the overflow pipe (25) is the same as the flow rate of the first oil outlet pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044424.9U CN219734197U (en) | 2023-05-05 | 2023-05-05 | Control system for power reversing gearbox of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321044424.9U CN219734197U (en) | 2023-05-05 | 2023-05-05 | Control system for power reversing gearbox of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219734197U true CN219734197U (en) | 2023-09-22 |
Family
ID=88053358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321044424.9U Active CN219734197U (en) | 2023-05-05 | 2023-05-05 | Control system for power reversing gearbox of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219734197U (en) |
-
2023
- 2023-05-05 CN CN202321044424.9U patent/CN219734197U/en active Active
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