CN216045257U - Small six-gear belt built-in double differential speed box - Google Patents
Small six-gear belt built-in double differential speed box Download PDFInfo
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- CN216045257U CN216045257U CN202122746912.1U CN202122746912U CN216045257U CN 216045257 U CN216045257 U CN 216045257U CN 202122746912 U CN202122746912 U CN 202122746912U CN 216045257 U CN216045257 U CN 216045257U
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Abstract
The utility model discloses a small six-gear belt built-in double-differential speed changing box, and belongs to the technical field of agricultural machinery. The gearbox overcomes the defects that the traditional gearbox in the prior art has few gears and is difficult to mechanically steer. The main structure of the gear box comprises a gear box body, wherein a main shaft, a transition gear shaft, a reverse gear shaft, an auxiliary shaft, a driving shaft, a gear selecting shifting fork shaft, a high-speed and low-speed shifting fork shaft and a differential mechanism are arranged on the gear box body, a long clutch gear and a short clutch gear are arranged on the main shaft, a transition shaft gear is arranged on the transition gear shaft, a reverse gear is arranged on the reverse gear shaft, an auxiliary shaft gap gear I and an auxiliary shaft duplicate gear I are arranged on the auxiliary shaft, a first gear and a second gear are arranged on the driving shaft, a gear selecting shifting fork on the gear selecting shifting fork shaft is matched with the long clutch gear, and a high-speed and low-speed shifting fork on the high-speed and low-speed shifting fork shaft is matched with the auxiliary shaft duplicate gear I. The utility model is mainly used for agricultural machinery.
Description
The technical field is as follows:
the utility model belongs to the technical field of agricultural machinery, and particularly relates to a small six-gear belt built-in double-differential speed changing box.
Background art:
the existing gearbox for agricultural machinery comprises a box body, wherein an input shaft and a driven shaft are arranged in the box body, the gearbox has few gears in structural design, only one reverse gear and two forward gears are arranged, and the gearbox has few functions; in addition, some gearboxes in the prior art are provided with two forward gears, the reverse gear speed is too high, and the ploughing function is few, so that a lot of ploughing requirements cannot be met, and the gearboxes with few gears cause low working efficiency and high oil consumption in the driving process when in use; in addition, in agricultural machinery, such as a garlic seeder, a garlic harvester, a corn harvester, a film laminating machine and the like, when the land is small, frequent turning is needed, the turning is difficult due to the same rotating speed of two sides when the turning is carried out, if the turning is carried out manually, a large amount of physical power is needed, and a lot of burden is increased on heavy farming activities.
The utility model content is as follows:
the utility model aims to overcome the defects of the prior art and provides a small six-gear belt built-in double-differential speed changing box which is complete in matching and realizes multiple purposes.
In order to realize the purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a little six keep off and take built-in double differential transmission, includes the reduction box, be equipped with main shaft, transition gear shaft, reverse gear shaft, countershaft, drive shaft, select a fender declutch shift shaft, high-low speed declutch shift shaft and differential mechanism on the reduction box, be equipped with long clutch gear and short clutch gear on the main shaft, be equipped with the transition shaft gear on the transition gear shaft, be equipped with reverse gear on the reverse gear shaft, be equipped with countershaft gap bridge gear one and countershaft duplicate gear one on the countershaft, be equipped with slow gear and fast gear on the drive shaft, select a fender shift fork and the cooperation of long clutch gear on the select a fender declutch shift shaft, high-low speed shift fork and the cooperation of countershaft duplicate gear one on the high-low speed declutch shift shaft.
Preferably, a driving shaft gear is further arranged on the driving shaft, and the driving shaft gear is connected with the differential mechanism through a transition mechanism.
Preferably, the differential mechanism comprises a second shaft, a first differential half shaft, a differential gear mandrel and a second differential half shaft, wherein a first differential pinion, a differential driving gear and a second differential pinion are arranged on the second shaft, two ends of the differential gear mandrel are respectively connected with the first differential half shaft and the second differential half shaft, and a first differential gearwheel and a second differential gearwheel are arranged on the differential gear mandrel.
Preferably, the reduction box body is provided with a first steering crank and a second steering crank, a first axial shifting fork on the first steering crank is matched with a first differential pinion, a second axial shifting fork on the second steering crank is matched with a second differential pinion, a first return spring is arranged between the reduction box body and the first differential pinion, and a second return spring is arranged between the reduction box body and the second differential pinion.
Preferably, the transition mechanism comprises a transition wheel spline shaft and a first shaft, the transition wheel spline shaft is provided with a transition gear, the first shaft is provided with a first shaft gear, and the first shaft gear is respectively in meshing transmission connection with the transition gear and the differential driving gear.
Preferably, the outer sides of the transition wheel spline shaft and the first shaft are provided with spacer bushes.
Preferably, oil seal covers are arranged at two ends of the reverse gear shaft, the auxiliary shaft, the driving shaft and the transition wheel spline shaft.
Preferably, the first steering crank and the second steering crank are mounted on the reduction box body through a steering fork seat.
Preferably, a bearing gland and a reduction gearbox end cover are respectively arranged on two sides of the reduction gearbox body.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has multi-gear selection, each gear has high and low speeds, namely a slow one gear, a slow two gear, a fast one gear, a fast two gear, a fast reverse gear and a slow reverse gear, can provide six gears for matching, is widely applied to micro-tillers, field management machines, garlic seeders, garlic harvesters, corn harvesters, film covering machines, banking machines, seeders, grass breakers, mowers, trailer ploughs, creeper machines and the like, is complete in matching and realizes multiple purposes;
2. the reverse gear has a slow reverse gear, so that the use is safer;
3. because the whole machine is heavier, the utility model has large torque under the condition of having the differential function, not only realizes differential but also realizes the speed reduction function, can easily realize left or right steering under the driving of power, and reduces the physical consumption of personnel.
Description of the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is an expanded view of the shafts after section view A-A in FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 5 is a cross-sectional view of C-C of FIG. 1;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 2;
FIG. 7 is a schematic structural diagram of a first gear of the present invention;
FIG. 8 is a schematic diagram of a second stage of the present invention;
FIG. 9 is a schematic structural diagram of a reverse gear in the present invention;
fig. 10 is a schematic diagram of a structure for switching between a fast gear and a slow gear according to the present invention.
In the figure: 1. a reverse gear; 2. a reverse gear shaft; 3. a transition shaft gear; 4. a main shaft; 5. a long clutch gear; 6. a short clutch gear; 7. a transition gear shaft; 8. sealing the oil cover; 9. a first countershaft carrier gear; 10. a first countershaft duplicate gear; 11. a counter shaft; 12. a slow gear; 13. a drive shaft; 14. a drive shaft gear; 15. a spacer sleeve; 16. a transition wheel spline shaft; 17. a transition gear; 18. a first shaft; 19. a shaft gear; 20. a first differential pinion gear; 21. a first axial shift fork; 22. a first return spring; 23. a bearing gland; 24. a reduction gearbox end cover; 25. a first differential half shaft; 26. a first differential bull gear; 27. a differential gear spindle; 28. a second differential bull gear; 29. a second differential half shaft; 30. a reduction box body; 31. a second differential pinion gear; 32. a second return spring; 33. a second axial shift fork; 34. a differential drive gear; 35. a fast gear; 37. a first steering crank; 38. a second steering crank; 39. a second shaft; 40. a gear selecting shifting fork; 41. a high-low speed declutch shift shaft; 42. a high-low speed shifting fork; 44. a steering fork base; 45. gear selecting and shifting fork shaft.
The specific implementation mode is as follows:
the utility model is further illustrated by the following specific examples in combination with the accompanying drawings.
Example 1:
as shown in fig. 1 to 6, a small six-gear belt built-in dual differential transmission includes a reduction box 30, the reduction box 30 is provided with a main shaft 4, a transition gear shaft 7, a reverse gear shaft 2, an auxiliary shaft 11, a driving shaft 13, a gear selecting fork shaft 45, a high-low speed fork shaft 41 and a differential mechanism, the main shaft 4 is provided with a long clutch gear 5 and a short clutch gear 6, the transition gear shaft 7 is provided with a transition shaft gear 3, the reverse gear shaft 2 is provided with a reverse gear 1, the auxiliary shaft 11 is provided with an auxiliary shaft carrier gear one 9 and an auxiliary shaft dual gear one 10, the driving shaft 13 is provided with a slow gear 12 and a fast gear 35, a gear selecting fork 40 on the gear selecting fork shaft 45 is matched with the long clutch gear 5, and a high-low speed fork 42 on the high-low speed fork shaft 41 is matched with the auxiliary shaft dual gear one 10.
Example 2:
a small six-gear belt built-in double differential speed gearbox is characterized in that a driving shaft gear 14 is further arranged on a driving shaft 13, and the driving shaft gear 14 is connected with a differential mechanism through a transition mechanism.
The differential mechanism comprises a second shaft 39, a first differential half shaft 25, a differential gear mandrel 27 and a second differential half shaft 29, wherein a first differential pinion 20, a differential driving gear 34 and a second differential pinion 31 are arranged on the second shaft 39, two ends of the differential gear mandrel 27 are respectively connected with the first differential half shaft 25 and the second differential half shaft 29, and a first differential large gear 26 and a second differential large gear 28 are arranged on the differential gear mandrel 27.
The reduction box body 30 is provided with a first steering crank 37 and a second steering crank 38, a first axial shifting fork 21 on the first steering crank 37 is matched with the first differential pinion 20, a second axial shifting fork 33 on the second steering crank 38 is matched with the second differential pinion 31, a first return spring 22 is arranged between the reduction box body 30 and the first differential pinion 20, and a second return spring 32 is arranged between the reduction box body 30 and the second differential pinion 31.
The transition mechanism comprises a transition wheel spline shaft 16 and a first shaft 18, wherein the transition wheel spline shaft 16 is provided with a transition gear 17, the first shaft 18 is provided with a first shaft gear 19, and the first shaft gear 19 is respectively in meshing transmission connection with the transition gear 17 and the differential driving gear 34.
And the outer sides of the transition wheel spline shaft 16 and the first shaft 18 are provided with spacer bushes 15.
And oil seal covers 8 are arranged at two ends of the reverse gear shaft 2, the auxiliary shaft 11, the driving shaft 13 and the transition wheel spline shaft 16.
The first and second steering cranks 37, 38 are mounted on the reduction case 30 by means of a steering yoke 44.
And a bearing gland 23 and a reduction box end cover 24 are respectively arranged on two sides of the reduction box body 30. The other portions are the same as in example 1.
The utility model is provided with six gears which are respectively a slow first gear, a slow second gear, a fast first gear, a fast second gear, a fast reverse gear and a slow reverse gear, the gears are refined, the utility model can be applied to various agricultural machines, and the reverse gear has slow speed and is safer to use.
As shown in fig. 7 and fig. 10, a first gear structure schematic diagram is shown, a gear selecting fork 40 is shifted to enable a right side gear of a long clutch gear 5 on a main shaft 4 to be in meshing transmission with a left side gear of a transition shaft gear 3 on a transition shaft gear 7, a right side gear of the transition shaft gear 3 is in meshing transmission with a reverse gear 1 on a reverse gear shaft 2, a gear on the reverse gear shaft 2 is in meshing transmission with a counter shaft bridge gear one 9 on a counter shaft 11, when a high-low shifting fork 42 is shifted to enable a left side gear of a counter shaft duplex gear one 10 to be in meshing transmission with a slow gear 12, a slow gear 12 outputs a first gear, and finally power is output through a driving shaft 13; when the high-low speed shifting fork 42 is shifted to enable the right side gear of the first countershaft duplicate gear 10 to be meshed with the fast gear 35, the slow gear is output through the fast gear 35, and finally power is output through the driving shaft 13.
As shown in fig. 8 and fig. 10, a two-gear structure schematic diagram is shown, a gear selecting fork 40 is shifted to combine and fix a long clutch gear 5 and a short clutch gear 6 on a main shaft 4 together, then the short clutch gear 6 is in meshing transmission with a first countershaft carrier gear 9 on a countershaft 11, when a high-low shift fork 42 is shifted to enable a left side gear of a first countershaft duplicate gear 10 to be meshed with a slow gear 12, a slow two gear is output through the slow gear 12, and finally power is output through a driving shaft 13; when the high-low speed shifting fork 42 is shifted to enable the right side gear of the first countershaft duplicate gear 10 to be meshed with the fast gear 35, the fast gear is output through the fast gear 35, and finally power is output through the driving shaft 13.
As shown in fig. 9 and fig. 10, a structural principle diagram of reverse gear is shown, a gear selecting fork 40 is shifted to enable a right side gear of a long clutch gear 5 on a main shaft 4 to be meshed with a reverse gear 1 on a reverse gear shaft 2 for transmission, a shaft gear on the reverse gear shaft 2 is meshed with a first countershaft carrier gear 9 on a countershaft 11 for transmission, when a high-low shifting fork 42 is shifted to enable a left side gear of a first countershaft duplicate gear 10 to be meshed with a slow gear 12, the slow reverse gear is output through the slow gear 12, and finally power is output through a driving shaft 13; when the high-low speed shifting fork 42 is shifted to enable the right side gear of the first countershaft duplicate gear 10 to be meshed with the fast gear 35, the fast reverse gear is output through the fast gear 35, and finally power is output through the driving shaft 13.
The utility model also has a differential function, power is transmitted to the driving shaft gear 14, the transition wheel spline shaft 16, the first shaft gear 19, the differential driving gear 34 and the second shaft gear 39 in sequence through the driving shaft 13, the first differential pinion 20 and the second differential pinion 31 on the second shaft gear 39 move towards two sides respectively under the driving of the first axial shifting fork 21 and the second axial shifting fork 33, under the condition that the first axial shifting fork 21 and the second axial shifting fork 33 are not moved, the first differential pinion 20 and the first differential large gear 26 are in meshing transmission under the action of the first return spring 22 and the second return spring 32, the second differential pinion 31 and the second differential large gear 28 are in meshing transmission, and the power is transmitted to the first differential half shaft 25 and the second differential half shaft 29, so that normal walking is realized.
When the steering to one side is needed, the first steering crank 37 is used for shifting the first axial shifting fork 21, the first axial shifting fork 21 drives the first differential pinion 20 to move to one side, the first differential pinion 20 and the first differential gearwheel 26 are not in meshing transmission, power cannot be input to the first differential half shaft 25, one side of the second differential half shaft 29 normally walks, and the steering is easy; when steering to the other side is required, the second steering crank 38 is shifted, power cannot be input to the second differential half shaft 29, and the first differential half shaft 25 has normal power input, so that steering on the other side is easy.
Claims (9)
1. The utility model provides a little six keep off and take built-in double differential transmission, includes reduction case (30), its characterized in that: the reduction box body (30) is provided with a main shaft (4), a transition gear shaft (7), a reverse gear shaft (2), an auxiliary shaft (11), a driving shaft (13), a gear selecting fork shaft (45), a high-low speed fork shaft (41) and a differential mechanism, the automatic transmission is characterized in that a long clutch gear (5) and a short clutch gear (6) are arranged on the main shaft (4), a transition shaft gear (3) is arranged on the transition gear shaft (7), a reverse gear (1) is arranged on the reverse gear shaft (2), a first countershaft gap bridge gear (9) and a first countershaft duplicate gear (10) are arranged on the countershaft (11), a slow gear (12) and a fast gear (35) are arranged on the driving shaft (13), a gear selecting shifting fork (40) on a gear selecting shifting fork shaft (45) is matched with the long clutch gear (5), and a high-low speed shifting fork (42) on a high-low speed shifting fork shaft (41) is matched with the first countershaft duplicate gear (10).
2. The small six-speed belt built-in dual differential transmission of claim 1, wherein: and a driving shaft gear (14) is further arranged on the driving shaft (13), and the driving shaft gear (14) is connected with the differential mechanism through a transition mechanism.
3. The small six-speed built-in double differential transmission according to claim 2, wherein: the differential mechanism comprises a second shaft (39), a first differential half shaft (25), a differential gear mandrel (27) and a second differential half shaft (29), a first differential pinion (20), a differential driving gear (34) and a second differential pinion (31) are arranged on the second shaft (39), two ends of the differential gear mandrel (27) are connected with the first differential half shaft (25) and the second differential half shaft (29) respectively, and a first differential gear wheel (26) and a second differential gear wheel (28) are arranged on the differential gear mandrel (27).
4. The small six-speed built-in double differential transmission according to claim 3, wherein: be equipped with first steering crank (37) and second steering crank (38) on reduction box (30), first axial shift fork (21) and first differential pinion (20) cooperation on first steering crank (37), second axial shift fork (33) and second differential pinion (31) cooperation on second steering crank (38), be equipped with first reset spring (22) between reduction box (30) and first differential pinion (20), be equipped with second reset spring (32) between reduction box (30) and second differential pinion (31).
5. The small six-speed built-in double differential transmission according to claim 4, wherein: the transition mechanism comprises a transition wheel spline shaft (16) and a first shaft (18), a transition gear (17) is arranged on the transition wheel spline shaft (16), a first shaft gear (19) is arranged on the first shaft (18), and the first shaft gear (19) is respectively in meshed transmission connection with the transition gear (17) and the differential driving gear (34).
6. The small six-speed built-in double differential transmission according to claim 5, wherein: and the outer sides of the transition wheel spline shaft (16) and the shaft I (18) are respectively provided with a spacer bush (15).
7. The small six-speed belt built-in dual differential transmission of claim 6, wherein: and oil seal covers (8) are arranged at two ends of the reverse gear shaft (2), the auxiliary shaft (11), the driving shaft (13) and the transition wheel spline shaft (16).
8. The small six-speed belt built-in dual differential transmission of claim 7, wherein: the first steering crank (37) and the second steering crank (38) are arranged on the reduction box body (30) through a steering shifting fork seat (44).
9. The small six-speed built-in double differential transmission of claim 8, wherein: and a bearing gland (23) and a reduction gearbox end cover (24) are respectively arranged on two sides of the reduction gearbox body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746912.1U CN216045257U (en) | 2021-11-10 | 2021-11-10 | Small six-gear belt built-in double differential speed box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122746912.1U CN216045257U (en) | 2021-11-10 | 2021-11-10 | Small six-gear belt built-in double differential speed box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216045257U true CN216045257U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122746912.1U Active CN216045257U (en) | 2021-11-10 | 2021-11-10 | Small six-gear belt built-in double differential speed box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216045257U (en) |
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2021
- 2021-11-10 CN CN202122746912.1U patent/CN216045257U/en active Active
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20230802 Address after: 276525 Sang Yuan Zhen Tan Zi She Qu Zhang Jia Si Shan Zi Cun, Ju County, Rizhao, Shandong Province Patentee after: Rizhao Changyuan Machinery Manufacturing Co.,Ltd. Address before: 276525 Dachang village, xiatuan community, sangyuan Town, Ju county, Rizhao City, Shandong Province Patentee before: Shandong Xundi Machinery Co.,Ltd. |