CN220915826U - Traction box for small corn harvester - Google Patents
Traction box for small corn harvester Download PDFInfo
- Publication number
- CN220915826U CN220915826U CN202322337079.4U CN202322337079U CN220915826U CN 220915826 U CN220915826 U CN 220915826U CN 202322337079 U CN202322337079 U CN 202322337079U CN 220915826 U CN220915826 U CN 220915826U
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- Prior art keywords
- gear
- wall
- shaft
- bevel gear
- linkage
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- 240000008042 Zea mays Species 0.000 title claims abstract description 24
- 235000002017 Zea mays subsp mays Nutrition 0.000 title claims abstract description 24
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 title claims abstract description 22
- 235000005822 corn Nutrition 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 claims description 2
- 235000009973 maize Nutrition 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Structure Of Transmissions (AREA)
Abstract
The utility model discloses a traction box for a small corn harvester, which comprises a shell and a box shell, wherein the outer wall of the box shell is fixedly connected with a box cover, the inner wall of the shell is rotatably connected with a first spline shaft, a first gear and a second gear are sleeved on the outer wall of the first spline shaft in a transmission manner, the first gear and the second gear are fixedly connected, a reverse gear shaft is fixedly connected on the inner wall of the shell, and a first reverse gear and a second reverse gear are sleeved on the outer wall of the reverse gear shaft in a rotation manner. According to the utility model, the first slave bevel gear, the vertical shaft, the second master bevel gear, the second slave bevel gear, the second spline shaft, the first linkage gear, the second linkage gear, the rotating shaft, the shaft sleeve, the half shaft, the straight gear, the spring and the shifting fork are arranged, so that the two half shafts can respectively rotate and can simultaneously rotate, and the purposes of steering and walking are achieved; meanwhile, the whole volume is reduced and the weight is reduced under the condition that the steering, reverse gear and gear shifting operations are not affected.
Description
Technical Field
The utility model relates to the technical field of traction boxes, in particular to a traction box for a small corn harvester.
Background
The corn harvester traction box is a gearbox product for the corn harvester, is an important component part in the corn harvester, and is used for changing the transmission ratio of a vehicle, enabling the vehicle to run and reverse backwards, realizing the interrupt transmission of engine power and the like; and the efficiency of the harvester can be improved by proper speed ratio and gear configuration, and the service life can be prolonged by regular maintenance.
In the prior art, the gear transmission structure used in the small-sized harvester realizes steering transmission through a plurality of groups of gears, so that the whole size is overlarge, the structure is not suitable for the small-sized harvester, and the weight of the whole machine is increased, therefore, a traction box for the small-sized corn harvester is provided for solving the problems.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a traction box for a small corn harvester.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a small-size maize picker is with traction box, includes casing and case shell, the outer wall fixedly connected with case lid of case shell, the inner wall rotation of casing is connected with first integral key shaft, the outer wall transmission cover of first integral key shaft is equipped with first gear and second gear, and first gear, second gear be fixed connection, the inner wall fixedly connected with reverse gear shaft of casing, the outer wall rotation cover of reverse gear shaft is equipped with first reverse gear and second reverse gear, fixed connection between first reverse gear and the second reverse gear, the inside fixedly connected with lower shaft of casing, the outer wall rotation of lower shaft is connected with first main bevel gear, and first main bevel gear outer fixed cover is established first drive gear and second drive gear, the outer wall rotation of casing is connected with reverse gear driving lever and shift driving lever, the mounting hole has all been seted up to the outer wall of casing and the inner wall rotation of case shell is connected with the vertical axis, the outer wall fixed cover of vertical axis is equipped with first from the bevel gear, from between first main bevel gear and the first main bevel gear is connected with the inside bevel gear, the inside is equipped with the inside of clutch housing.
Preferably, the clutch mechanism comprises a second spline shaft, two ends of the second spline shaft are rotationally connected with the inner wall of the box shell, a second auxiliary bevel gear is fixedly sleeved on the outer wall of the second spline shaft, a second main bevel gear is in meshed connection with the second auxiliary bevel gear, a first linkage gear and a second linkage gear are sleeved on the outer wall of the second spline shaft in a sliding manner, a shaft sleeve is fixedly sleeved on the outer wall of the second spline shaft, a shifting fork is sleeved on the outer wall of the first linkage gear and the outer wall of the second linkage gear in a sliding manner, two half shafts are rotationally connected in the box shell, straight gears are fixedly sleeved at one ends of the two half shafts, the outer wall of the first linkage gear and the outer wall of the second linkage gear are respectively in meshed connection with the two straight gears, and the first linkage gear and the second linkage gear are arranged to drive the two straight gears to rotate so as to realize the rotation of the half shafts.
Preferably, the outer walls of the second slave bevel gear and the shaft sleeve are provided with notches matched with the first and second linkage gears, and when the first and second linkage gears slide into the notches, the first and second linkage gears are driven to rotate by the extrusion force of the notches.
Preferably, the outer wall of the shifting fork is fixedly provided with a rotating shaft.
Preferably, the outer wall of the second spline shaft is sleeved with two springs, and the springs are arranged to enable the first linkage gear and the second linkage gear to reset.
Preferably, the outer sides of the first linkage gear and the second linkage gear are fixedly connected with bearings, the inner rings of the bearings are fixedly connected with the outer wall of the second spline shaft, and the other ends of the two springs are respectively contacted with the inner rings of the two bearings through steel pads.
Compared with the prior art, the utility model has the advantages that:
According to the scheme, through the arrangement of the first spline shaft, the first gear, the second gear, the reverse gear shaft, the first reverse gear, the second reverse gear, the lower shaft, the first main bevel gear, the first transmission gear, the second transmission gear, the reverse gear shifting lever and the gear shifting lever, reverse gear and gear shifting operations are realized; the first slave bevel gear, the vertical shaft, the second master bevel gear, the second slave bevel gear, the second spline shaft, the first linkage gear, the second linkage gear, the rotating shaft, the shaft sleeve, the half shaft, the straight gear, the spring and the shifting fork are arranged, so that the two half shafts can rotate simultaneously and can also rotate respectively, and the purpose of walking or steering is achieved; meanwhile, the whole volume is reduced and the weight is reduced under the condition that the steering, reverse gear and gear shifting operations are not affected.
Drawings
Fig. 1 is a schematic perspective view of a traction box for a small corn harvester according to the present utility model;
Fig. 2 is a schematic front view of a traction box for a small corn harvester according to the present utility model;
fig. 3 is a schematic side view of a traction box for a small corn harvester according to the present utility model;
Fig. 4 is a schematic diagram of a reverse gear and gear shifting structure of a traction box for a small corn harvester according to the present utility model;
Fig. 5 is a schematic diagram of a clutch mechanism of a traction box for a small corn harvester according to the present utility model;
Fig. 6 is a schematic diagram of an installation structure of a traction box for a small corn harvester according to the utility model.
In the figure: 1. a housing; 2. a case shell; 3. a case cover; 4. a first spline shaft; 5. a first gear; 6. a second gear; 7. a reverse gear shaft; 8. a first reverse gear; 9. a second reverse gear; 10. a lower shaft; 11. a first main bevel gear; 12. a first transmission gear; 13. a second transmission gear; 14. a reverse shift lever; 15. a shift lever; 16. a first slave bevel gear; 17. a vertical axis; 18. a second main bevel gear; 19. a second slave bevel gear; 20. a second spline shaft; 21. a first linkage gear; 22. a second linkage gear; 23. a rotating shaft; 24. a shaft sleeve; 25. a half shaft; 26. spur gears; 27. a spring; 28. and a shifting fork.
Detailed Description
The utility model provides a draw box for small-size corn harvester is shown by fig. 1-6, relates to a draw box for small-size corn harvester, including casing 1 and case 2, the outer wall fixedly connected with case lid 3 of case 2, the inner wall of casing 1 rotates and is connected with first spline shaft 4, the outer wall transmission cover of first spline shaft 4 is equipped with first gear 5 and second gear 6, first spline shaft 4 rotates through driving device, make first gear 5 rotate with second gear 6, the outer wall fixed connection of first gear 5, second gear 6.
The inner wall fixedly connected with reverse gear axle 7 of casing 1, the outer wall rotation cover of reverse gear axle 7 is equipped with first reverse gear 8 and second reverse gear 9, fixed connection between first reverse gear 8 and the second reverse gear 9, can realize reverse gear operation when first reverse gear 8 and second reverse gear 9 intermesh with second drive gear 13, second gear 6 respectively.
The inside fixedly connected with lower axle 10 of casing 1, the outer wall of lower axle 10 rotates the cover and establishes first main bevel gear 11, and fixed cover is equipped with first drive gear 12 and second drive gear 13 on the first main bevel gear, and the outer wall of casing 1 rotates and is connected with reverse gear driving lever 14 and shift driving lever 15, and first gear 5 meshes with first drive gear 12 or second gear 6 meshes with second drive gear 13, makes first main bevel gear 11 rotate.
The assembly holes are formed in the outer walls of the shell 1 and the box shell 2, the inner wall of each assembly hole is rotationally connected with a vertical shaft 17, a first slave bevel gear 16 is fixedly sleeved on the outer wall of each vertical shaft 17, the first master bevel gear 11 is in meshed connection with the first slave bevel gear 16, a second master bevel gear 18 is fixedly connected to the bottom of each vertical shaft 17, the second master bevel gear 18 and the second slave bevel gear 19 are rotated through rotation of the vertical shaft 17, and a clutch mechanism is arranged in the box shell 2.
The clutch mechanism comprises a second spline shaft 20, two ends of the second spline shaft 20 are both rotationally connected with the inner wall of the case 2, a second auxiliary bevel gear 19 is fixedly sleeved on the outer wall of the second spline shaft 20, and the second main bevel gear 18 is meshed with the second auxiliary bevel gear 19.
The outer wall slip cap of second integral key shaft 20 is equipped with first linkage gear 21 and second linkage gear 22, the notch with first, second linkage gear 21, 22 matched with is all offered to the outer wall of second follow bevel gear 19 and axle sleeve 24, the outer wall fixed sleeve of second integral key shaft 20 is equipped with axle sleeve 24, the outer wall of first linkage gear 21 and second linkage gear 22 all slip cap is equipped with shift fork 28, two shift forks 28 drive first linkage gear 21, second linkage gear 22 respectively and remove, the outer wall fixed mounting of shift fork 28 has axis of rotation 23, the rotation of axis of rotation 23 drives shift fork 28 and turns to.
The inside rotation of the case 2 is connected with two semi-shafts 25, and the fixed cover of one end of two semi-shafts 25 is equipped with straight-tooth gears 26, and the outer wall of first linkage gear 21 and second linkage gear 22 is connected with the meshing between two straight-tooth gears 26 respectively.
The outer wall of the second spline shaft 20 is sleeved with two springs 27, the springs 27 enable the first linkage gear 21 and the second linkage gear 22 to reset,
Working principle: when in use, one end of the reverse gear shifting lever 14 is extruded to the outer wall of the second reverse gear 9 through the rotation of the reverse gear shifting lever, so that the second reverse gear 9 and the first reverse gear 8 move leftwards, the first reverse gear 8 and the second reverse gear 9 are respectively meshed with the second transmission gear 13 and the second gear 6, and the second gear 6 drives the first bevel gear 11 to rotate to realize reverse gear operation; the second gear 6 is meshed with the second transmission gear 13 through the leftward rotation of the gear shifting deflector 15, when the gear shifting deflector 15 rotates rightward to enable the first gear 5 to be meshed with the first transmission gear 12, the purpose of gear shifting is achieved, in the transmission process, the first spline shaft 4 serves as a main shaft to rotate, and when the first transmission gear 12 rotates with the second transmission gear 13, the first main bevel gear 11 drives the lower shaft 10 to rotate, the first auxiliary bevel gear 16 rotates, the vertical shaft 17 rotates to enable the second main bevel gear 18 to rotate, the second main bevel gear 18 rotates to enable the second auxiliary bevel gear 19 to rotate, the second auxiliary bevel gear 19 rotates to enable the second spline shaft 20 to rotate with the shaft sleeve 24, the shaft sleeve 24 and the second auxiliary bevel gear 19 drive the first and second auxiliary bevel gears 21 and 22 respectively, and further drive the two straight gears 26 and the two half shafts to rotate simultaneously. When steering, the shifting fork 28 drives the first linkage gear 21 to move through the rotation of the rotating shaft 23, so that the first linkage gear 21 is separated from the notch of the shaft sleeve 24 to stop rotating, the side straight gear 26 and the half shaft 25 can stop rotating, the other side half shaft 25 can continue rotating to realize forced steering, and the second linkage gear 22 can turn to the other direction after being stirred in the same way.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art will be able to apply equally to the technical solution of the present utility model and the inventive concept thereof, within the scope of the present utility model.
Claims (6)
1. The utility model provides a small-size maize picker is with traction box, includes casing (1) and case (2), its characterized in that, the outer wall fixedly connected with case lid (3) of case (2), the inner wall rotation of casing (1) is connected with first integral key shaft (4), the outer wall transmission cover of first integral key shaft (4) is equipped with first gear (5) and second gear (6), and first gear (5), second gear (6) are fixed connection, the inner wall fixedly connected with reverse gear (7) of casing (1), the outer wall rotation cover of reverse gear (7) is equipped with first reverse gear (8) and second reverse gear (9), fixed connection between first reverse gear (8) and second reverse gear (9), the inside fixedly connected with lower axle (10) of casing (1), the outer wall rotation cover of lower axle (10) is equipped with first main bevel gear (11), and fixed cover is equipped with first transmission gear (12) and second bevel gear (13) and the outer wall rotation of first bevel gear (1) is equipped with the perpendicular hole of gear (17) from the outer wall of first bevel gear (1) and the equal perpendicular gear (17) of case, the assembly hole is seted up from the outer wall rotation of first bevel gear (16) between the first bevel gear (1), the bottom of the vertical shaft (17) is fixedly connected with a second main bevel gear (18), and a clutch mechanism is arranged in the box shell (2).
2. The traction box for the small corn harvester according to claim 1, wherein the clutch mechanism comprises a second spline shaft (20), two ends of the second spline shaft (20) are rotationally connected with the inner wall of the box shell (2), a second auxiliary bevel gear (19) is fixedly sleeved on the outer wall of the second spline shaft (20), a second main bevel gear (18) is meshed with the second auxiliary bevel gear (19), a first linkage gear (21) and a second linkage gear (22) are arranged on the outer wall sliding sleeve of the second spline shaft (20), a shaft sleeve (24) is arranged on the outer wall of the second spline shaft (20), a shifting fork (28) is slidably sleeved on the outer walls of the first linkage gear (21) and the second linkage gear (22), two half shafts (25) are rotationally connected inside the box shell (2), a spur gear (26) is fixedly sleeved on one ends of the two half shafts (25), and the first linkage gear (21) and the outer wall of the second linkage gear (22) are meshed with the two spur gears (26) respectively.
3. The traction box for the small corn harvester according to claim 2, wherein the outer walls of the second slave bevel gear (19) and the shaft sleeve (24) are provided with notches matched with the first linkage gear (21) and the second linkage gear (22).
4. Traction box for small corn harvester according to claim 2, characterized in that the outer wall of the fork (28) is fixedly mounted with a rotation shaft (23).
5. A traction box for a small corn harvester according to claim 2, characterized in that the outer wall of the second spline shaft (20) is sleeved with two springs (27).
6. The traction box for a small corn harvester according to claim 5, wherein bearings are fixedly connected to the outer sides of the first linkage gear (21) and the second linkage gear (22), an inner ring of each bearing is fixedly connected with the outer wall of the second spline shaft (20), and one ends of two springs (27) are respectively contacted with the inner rings of the two bearings through steel pads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337079.4U CN220915826U (en) | 2023-08-30 | 2023-08-30 | Traction box for small corn harvester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322337079.4U CN220915826U (en) | 2023-08-30 | 2023-08-30 | Traction box for small corn harvester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220915826U true CN220915826U (en) | 2024-05-10 |
Family
ID=90935218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322337079.4U Active CN220915826U (en) | 2023-08-30 | 2023-08-30 | Traction box for small corn harvester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220915826U (en) |
-
2023
- 2023-08-30 CN CN202322337079.4U patent/CN220915826U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |