CN220151825U - Light mini-tiller gearbox - Google Patents
Light mini-tiller gearbox Download PDFInfo
- Publication number
- CN220151825U CN220151825U CN202321693159.7U CN202321693159U CN220151825U CN 220151825 U CN220151825 U CN 220151825U CN 202321693159 U CN202321693159 U CN 202321693159U CN 220151825 U CN220151825 U CN 220151825U
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- gear
- fixedly connected
- shifting
- key shaft
- driven
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 57
- 241000209094 Oryza Species 0.000 claims abstract description 19
- 235000007164 Oryza sativa Nutrition 0.000 claims abstract description 19
- 235000009566 rice Nutrition 0.000 claims abstract description 19
- 230000003287 optical effect Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003971 tillage Methods 0.000 description 1
- 238000009333 weeding Methods 0.000 description 1
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- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a light mini-tiller gearbox which comprises an input shaft, wherein the input shaft is connected with an upper shell in a penetrating and rotating mode, the lower side of the upper shell is fixedly connected with a lower shell, the upper end, close to the input shaft, of the upper shell is connected with a first rice key shaft in a penetrating and rotating mode, the position, close to the first rice key shaft, of the upper shell is connected with a second rice key shaft in a penetrating and rotating mode, the position, close to the second rice key shaft, of the upper shell is connected with a third rice key shaft in a penetrating and rotating mode, the lower end of the upper shell is connected with an optical axis in a penetrating and rotating mode, the end, close to the optical axis, of the upper shell is connected with a pair of first hexagonal shafts in a penetrating and rotating mode, and the end, far away from the upper shell, of the lower shell is connected with a second hexagonal shaft in a penetrating and rotating mode. The light mini-tiller gearbox is designed, so that the mini-tiller can advance and retreat, and the mini-tiller can still have good adaptability on complex ground conditions through the arrangement of high and low gears.
Description
Technical Field
The utility model relates to the field of agricultural machinery, in particular to a light mini-tiller gearbox.
Background
The mini-tiller is a small agricultural tool, is mainly used for preparing soil, weeding and leveling small-area land, and is required to be transmitted through a gearbox in order to transmit power output by a power source of the mini-tiller to wheels and tillage equipment, the gearbox is a mechanical device for converting and adjusting output torque and rotating speed of an engine, and the existing gearbox of the light mini-tiller cannot use excessive gears to change and combine gear ratios due to weight limitation, so that the light mini-tiller is few in gear, few in function, inconvenient to use and cannot adapt to complex land conditions well.
Disclosure of Invention
The utility model aims to solve the technical problems that the prior light mini-tiller has few gears, few functions and inconvenient use.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a light-duty machine gearbox that ploughs a little, including the input shaft, the input shaft runs through and rotates the upper housing that connects, the downside fixedly connected with inferior valve of upper housing, the upper end that the upper housing is close to the input shaft runs through and rotates and be connected with first meter key axle, the position that the upper housing is close to first meter key axle runs through and rotates and be connected with the second meter key axle, the position that the upper housing is close to the second meter key axle runs through and rotates and be connected with the third meter key axle, the lower extreme of upper housing runs through and rotates and be connected with the optical axis, the one end that the upper housing is close to the optical axis runs through and rotates and be connected with a pair of first hexagonal axle, the one end that the inferior valve was kept away from the upper housing runs through and rotates and be connected with the second hexagonal axle.
Through the technical scheme, the gearbox can select high and low gears, and can change forward gears and reverse gears, so that the existing light mini-tiller can adapt to different ground conditions.
The utility model is further characterized in that the input shaft is fixedly connected with a driving bevel gear, the first meter key shaft is fixedly connected with a driven bevel gear in a penetrating manner, the driving bevel gear and the driven bevel gear are mutually meshed and matched, the first meter key shaft is fixedly connected with a first driving gear in a penetrating manner, the second meter key shaft is fixedly connected with a first driven gear in a penetrating manner, and the first driving gear and the first driven gear are mutually meshed and matched.
Through the technical scheme, the power of the power source can be input into the gearbox through the input shaft.
The utility model further provides that a first gear shifting duplex gear is connected to the second meter key shaft in a penetrating and sliding manner, a first shifting fork is sleeved outside the first gear shifting duplex gear in a rotating manner, one end of the first shifting fork, which is far away from the first gear shifting duplex gear, is fixedly connected with a first gear shifting lever, one end of the fifth meter key shaft is fixedly connected with a third gear in a penetrating manner, one end of the fifth meter key shaft, which is far away from the third gear, is fixedly connected with a fourth gear in a penetrating manner, and the first gear shifting duplex gear is respectively meshed and matched with the third gear and the fourth gear.
Through the technical scheme, the gear can be changed by changing the position of the first gear shifting duplex gear to select whether the first gear shifting duplex gear is meshed with the third gear or the fourth gear shifting duplex gear.
The utility model is further characterized in that the fifth meter key shaft is fixedly connected with a second driving sprocket in a penetrating manner, a second chain is fixedly sleeved outside the second driving sprocket, a second driven sprocket is fixedly connected with the second hexagonal shaft in a penetrating manner, and a second driven sprocket is fixedly sleeved inside one end, far away from the second driving sprocket, of the second chain.
Through the technical scheme, the power input by the input shaft can drive the second hexagonal shaft to rotate.
The utility model further provides that a second driving gear is fixedly connected to the second meter key shaft in a penetrating manner, a second driven gear is fixedly connected to the third meter key shaft in a penetrating manner, a second gear shifting duplex gear is fixedly connected to the third meter key shaft in a penetrating and sliding manner, a second shifting fork is sleeved outside the second gear shifting duplex gear in a rotating manner, a second gear shifting rod is fixedly connected to one end of the second shifting fork, which is far away from the second gear shifting duplex gear, a first gear is fixedly connected to one end of the fourth meter key shaft in a penetrating manner, a second gear is fixedly connected to one end of the fourth meter key shaft, which is far away from the first gear, in a penetrating manner, and a reverse gear duplex gear is rotatably connected to one end of the second meter key shaft, which is far away from the first driven gear.
According to the technical scheme, the gear can be changed by changing the position of the second gear shifting duplex gear to be selectively meshed with the first gear or the second gear, and the first hexagonal shaft can be reversed when the second gear shifting duplex gear is shifted to the position meshed with the reverse gear duplex gear.
The utility model further provides that the fourth meter key shaft is fixedly connected with a first driving sprocket in a penetrating manner, the optical axis is fixedly connected with a first driven sprocket in a penetrating manner, a first chain is fixedly sleeved outside the first driving sprocket, and a first driven sprocket is fixedly sleeved inside one end, far away from the first driving sprocket, of the first chain.
The utility model is further characterized in that the two ends of the optical axis are respectively connected with a clutch gear in a penetrating and sliding manner, a steering shifting fork is sleeved outside the clutch gears, one end of the steering shifting fork, which is far away from the clutch gears, is fixedly connected with a steering rod, the two ends of the optical axis are respectively connected with springs in a penetrating and fixing manner, a pair of first hexagonal shafts are respectively connected with a third driven gear in a penetrating and fixing manner, the first hexagonal shafts are in mutual rotation fit, and the clutch gears and the third driven gears are in mutual engagement fit.
Through the technical scheme, the clutch gear on one side is separated from the engagement with the third driven wheel, so that one side is stopped and the other side is normally rotated, speed difference is generated between the two first hexagonal shafts, forced steering is performed, and the problem of steering difficulty caused by sinking of tires on soft soil and muddy land is avoided.
The utility model further provides that the second driven gear is meshed with the second driving gear, the second gear shifting duplex gear is meshed with the second gear and the first gear respectively, and the reverse gear duplex gear is meshed with the second gear shifting duplex gear and the first gear respectively.
The beneficial effects of the utility model are as follows:
the novel mini-tiller gearbox is designed, high-low gear output selection can be performed through gear ratio conversion, and the mini-tiller can advance and retreat through the chain type double-clutch reverser, so that the mini-tiller has good adaptability in complex ground conditions.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is an internal block diagram of the present utility model;
fig. 3 is an internal perspective view of the present utility model.
In the figure: 1. an input shaft; 2. an upper case; 3. a lower case; 4. a drive bevel gear; 5. a first meter key shaft; 6. a first drive gear; 7. a driven bevel gear; 8. a second meter key shaft; 9. a second drive gear; 10. a first driven gear; 11. a first shift double gear; 12. reverse gear duplex gear; 13. a first fork; 14. a first shift lever; 15. a third meter key shaft; 16. a second shift double gear; 17. a second fork; 18. a second driven gear; 19. a second shift lever; 20. a fourth meter key shaft; 21. a first gear; 22. a second gear; 23. a first drive sprocket; 24. a first chain; 25. an optical axis; 26. a spring; 27. a clutch gear; 28. a steering fork; 29. a steering lever; 30. a first driven sprocket; 31. a first hexagonal shaft; 32. a third driven gear; 33. a fifth meter key shaft; 34. a third gear; 35. a fourth gear wheel; 36. a second drive sprocket; 37. a second chain; 38. a second hexagonal shaft; 39. a second driven sprocket.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Referring to fig. 1, 2 and 3, a light mini-tiller gearbox comprises an input shaft 1, wherein the input shaft 1 is connected with an upper shell 2 in a penetrating and rotating manner, a lower shell 3 is fixedly connected to the lower side of the upper shell 2, a first rice key shaft 5 is connected with the upper end of the upper shell 2, which is close to the input shaft 1, in a penetrating and rotating manner, a second rice key shaft 8 is connected with the upper shell 2, which is close to the first rice key shaft 5, in a penetrating and rotating manner, a third rice key shaft 15 is connected with the upper shell 2, a light axis 25 is connected with the lower end of the upper shell 2 in a penetrating and rotating manner, a pair of first hexagonal shafts 31 are connected with the end of the upper shell 2, which is close to the light axis 25, in a penetrating and rotating manner, and a second hexagonal shaft 38 is connected with the end of the lower shell 3, which is far from the upper shell 2.
The second meter key shaft 8 is penetrated and slidingly connected with a first gear shifting duplex gear 11, a first shifting fork 13 is sleeved outside the first gear shifting duplex gear 11 in a rotating mode, one end, far away from the first gear shifting duplex gear 11, of the first shifting fork 13 is fixedly connected with a first gear shifting lever 14, one end, penetrating and fixedly connected with a third gear 34, of the fifth meter key shaft 33, one end, far away from the third gear 34, of the fifth meter key shaft 33 is penetrated and fixedly connected with a fourth gear 35, and the first gear shifting duplex gear 11 is respectively meshed and matched with the third gear 34 and the fourth gear 35.
The second driving gear 9 is fixedly connected to the second meter key shaft 8 in a penetrating mode, the second driven gear 18 is fixedly connected to the third meter key shaft 15 in a penetrating mode, the second gear shifting duplex gear 16 is connected to the third meter key shaft 15 in a penetrating and sliding mode, the second shifting fork 17 is sleeved outside the second gear shifting duplex gear 16 in a rotating mode, one end, far away from the second gear shifting duplex gear 16, of the second shifting fork 17 is fixedly connected with the second gear shifting rod 19, one end, penetrating and fixedly connected with the first gear 21, of the fourth meter key shaft 20 is connected to the second gear 22 in a penetrating and fixedly connected mode, and one end, far away from the first driven gear 10, of the second meter key shaft 8 is connected to the reverse gear duplex gear 12 in a penetrating and rotating mode.
The both ends of optical axis 25 all run through sliding connection and have clutch gear 27, and the outer cover of clutch gear 27 is equipped with turns to shift fork 28, and the one end fixedly connected with steering rod 29 that the clutch gear 27 was kept away from to the shift fork 28, and the both ends of optical axis 25 all run through fixedly connected with spring 26, all run through fixedly connected with third driven gear 32 on a pair of first hexagonal axle 31, mutually rotate the cooperation between a pair of first hexagonal axle 31, clutch gear 27 and third driven gear 32 intermeshing cooperation.
The input shaft 1 is fixedly connected with a driving bevel gear 4, the first meter key shaft 5 is fixedly connected with a driven bevel gear 7 in a penetrating mode, the driving bevel gear 4 and the driven bevel gear 7 are in meshed fit, the first meter key shaft 5 is fixedly connected with a first driving gear 6 in a penetrating mode, the second meter key shaft 8 is fixedly connected with a first driven gear 10 in a penetrating mode, and the first driving gear 6 and the first driven gear 10 are in meshed fit.
The fifth meter key shaft 33 is fixedly connected with a second driving sprocket 36 in a penetrating manner, a second chain 37 is fixedly sleeved outside the second driving sprocket 36, a second driven sprocket 39 is fixedly connected with the second hexagonal shaft 38 in a penetrating manner, and a second driven sprocket 39 is fixedly sleeved inside one end, far away from the second driving sprocket 36, of the second chain 37.
The fourth meter key shaft 20 is fixedly connected with a first driving sprocket 23 in a penetrating mode, the optical axis 25 is fixedly connected with a first driven sprocket 30 in a penetrating mode, a first chain 24 is fixedly sleeved outside the first driving sprocket 23, and a first driven sprocket 30 is fixedly sleeved inside one end, far away from the first driving sprocket 23, of the first chain 24.
The second driven gear 18 and the second driving gear 9 are engaged with each other, the second shift double gear 16 is engaged with the second gear 22 and the first gear 21, respectively, and the reverse double gear 12 is engaged with the second shift double gear 16 and the first gear 21, respectively.
When the utility model is used, the power of an engine is input through the input shaft 1, the input shaft 1 drives the driving bevel gear 4 to rotate, the driving bevel gear 4 drives the first driving gear 6 to rotate through the first meter key shaft 5, the first driving gear 6 drives the first driven gear 10 to rotate, the first driven gear 10 drives the first shifting double-gear 11 to rotate through the second meter key shaft 8, the first shifting double-gear 11 changes the rotating speed of the second driving sprocket 36 by being meshed with the third gear 34 or the fourth gear 35, the second driving sprocket 36 drives the second driven sprocket 39 to rotate through the second chain 37, the second driven sprocket 39 drives the second hexagonal shaft 38 to rotate, at the moment, the first shifting fork 13 is controlled through the first gear shift lever 14, the first shifting fork 13 drives the first shifting double-gear 11 to move on the second meter key shaft 8, the second driving gear 9 is driven by the second gear 9 to rotate through the second driven gear 18, the third meter key shaft 15 drives the second gear 16 to rotate through the second gear wheel 21 and the second gear 23, the second gear wheel is meshed with the second gear 23 to rotate through the second gear wheel 23, the second gear 20 is meshed with the second gear wheel 23, and the second gear 20 is meshed with the second gear wheel 23 to rotate through the second gear 23, and the second gear 20 is meshed with the second gear 20, thus, the fourth meter key shaft 20 is reversed, the fourth meter key shaft 20 drives the first driving sprocket 23 to rotate, the first driving sprocket 23 drives the first driven sprocket 30 to rotate through the first chain 24, the first driven sprocket 30 drives the clutch gear 27 to rotate, the clutch gear 27 drives the first hexagonal shaft 31 to rotate through the third driven gear 32, and accordingly the effect of reversing the first hexagonal shaft 31 is achieved, when steering is needed, the steering rod 29 on one side is rotated to drive the clutch gear 27 to be separated from engagement with the third driven gear 32, the third driven gear 32 on the other side is still in a state driven by the clutch gear 27, therefore, the first hexagonal shaft 31 on one side is stopped, the first hexagonal shaft 31 on the other side is continuously rotated, a speed difference is generated between the two first hexagonal shafts 31, forced rotation is carried out, and the problem of steering difficulty caused by sinking of tires in soft soil and muddy land is avoided.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a light-duty machine gearbox that ploughs a little, includes input shaft (1), fourth meter key axle (20), fifth meter key axle (33), its characterized in that: the utility model discloses a motor, including input shaft (1), upper housing (2), lower side fixedly connected with inferior valve (3), upper housing (2) are close to the upper end of input shaft (1) and run through rotation and be connected with first meter key axle (5), upper housing (2) are close to the position of first meter key axle (5) and run through rotation and be connected with second meter key axle (8), upper housing (2) are close to the position of second meter key axle (8) and run through rotation and be connected with third meter key axle (15), the lower extreme of upper housing (2) is run through rotation and is connected with optical axis (25), upper housing (2) are close to the one end of optical axis (25) and run through rotation and be connected with a pair of first hexagonal axle (31), lower housing (3) are kept away from the one end of upper housing (2) and run through rotation and are connected with second hexagonal axle (38).
2. The light tiller gearbox of claim 1, further comprising: the novel gear transmission device is characterized in that a driving bevel gear (4) is fixedly connected to the input shaft (1), a driven bevel gear (7) is fixedly connected to the first rice key shaft (5) in a penetrating mode, the driving bevel gear (4) and the driven bevel gear (7) are matched in a meshed mode, a first driving gear (6) is fixedly connected to the first rice key shaft (5) in a penetrating mode, a first driven gear (10) is fixedly connected to the second rice key shaft (8) in a penetrating mode, and the first driving gear (6) and the first driven gear (10) are matched in a meshed mode.
3. The light tiller gearbox of claim 1, further comprising: the utility model discloses a gear shifting device, including first meter key shaft (8), second meter key shaft (33), first gear shifting duplex gear (11) of sliding connection runs through on second meter key shaft (8), first gear shifting duplex gear (11) external rotation cover is equipped with first shift fork (13), one end fixedly connected with first gear shifting lever (14) of first gear shifting duplex gear (11) are kept away from to first shift fork (13), one end of fifth meter key shaft (33) runs through fixedly connected with third gear (34), one end that third gear (34) were kept away from to fifth meter key shaft (33) runs through fixedly connected with fourth gear (35), first gear shifting duplex gear (11) respectively with third gear (34) and fourth gear (35) meshing cooperation.
4. The light tiller gearbox of claim 1, further comprising: the second driving chain wheel (36) is fixedly connected to the fifth meter key shaft (33) in a penetrating mode, a second chain (37) is fixedly sleeved outside the second driving chain wheel (36), a second driven chain wheel (39) is fixedly connected to the second hexagonal shaft (38) in a penetrating mode, and the second driven chain wheel (39) is fixedly sleeved in one end, far away from the second driving chain wheel (36), of the second chain (37).
5. The light tiller gearbox of claim 1, further comprising: the novel gear shifting device is characterized in that a second driving gear (9) is fixedly connected to the second rice key shaft (8) in a penetrating mode, a second driven gear (18) is fixedly connected to the third rice key shaft (15) in a penetrating mode, a second shifting duplex gear (16) is fixedly connected to the third rice key shaft (15) in a penetrating mode, a second shifting fork (17) is sleeved outside the second shifting duplex gear (16), one end of the second shifting fork (17) away from the second shifting duplex gear (16) is fixedly connected with a second gear shifting rod (19), one end of the fourth rice key shaft (20) is fixedly connected with a first gear (21) in a penetrating mode, one end of the fourth rice key shaft (20) away from the first gear (21) is fixedly connected with a second gear (22) in a penetrating mode, and one end of the second rice key shaft (8) away from the first driven gear (10) is fixedly connected with a reverse gear duplex gear (12) in a penetrating mode.
6. The light tiller gearbox of claim 1, further comprising: the novel light-emitting diode display device is characterized in that a first driving sprocket (23) is fixedly connected to the fourth rice key shaft (20) in a penetrating mode, a first driven sprocket (30) is fixedly connected to the optical axis (25) in a penetrating mode, a first chain (24) is fixedly sleeved outside the first driving sprocket (23), and a first driven sprocket (30) is fixedly sleeved in one end, far away from the first driving sprocket (23), of the first chain (24).
7. The light tiller gearbox of claim 1, further comprising: the utility model discloses a clutch gear, including optical axis (25), clutch gear (27) are all run through sliding connection, all the cover is equipped with outside clutch gear (27) turns to shift fork (28), one end fixedly connected with steering column (29) that clutch gear (27) were kept away from to shift fork (28), all run through fixedly connected with spring (26) in the both ends of optical axis (25), a pair of all run through fixedly connected with third driven gear (32) on first hexagonal axle (31), a pair of mutually rotate the cooperation between first hexagonal axle (31), clutch gear (27) and third driven gear (32) intermeshing cooperation.
8. The light tiller gearbox of claim 5, further comprising: the second driven gear (18) is meshed with the second driving gear (9), the second gear shifting duplex gear (16) is meshed with the second gear (22) and the first gear (21) respectively, and the reverse gear duplex gear (12) is meshed with the second gear shifting duplex gear (16) and the first gear (21) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693159.7U CN220151825U (en) | 2023-06-30 | 2023-06-30 | Light mini-tiller gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321693159.7U CN220151825U (en) | 2023-06-30 | 2023-06-30 | Light mini-tiller gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220151825U true CN220151825U (en) | 2023-12-08 |
Family
ID=89011610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321693159.7U Active CN220151825U (en) | 2023-06-30 | 2023-06-30 | Light mini-tiller gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220151825U (en) |
-
2023
- 2023-06-30 CN CN202321693159.7U patent/CN220151825U/en active Active
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