CN220168480U - Gear box with meshing sleeve gear wheel bridge - Google Patents
Gear box with meshing sleeve gear wheel bridge Download PDFInfo
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- CN220168480U CN220168480U CN202321066719.6U CN202321066719U CN220168480U CN 220168480 U CN220168480 U CN 220168480U CN 202321066719 U CN202321066719 U CN 202321066719U CN 220168480 U CN220168480 U CN 220168480U
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- 230000008859 change Effects 0.000 claims abstract description 53
- 230000007704 transition Effects 0.000 claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000007246 mechanism Effects 0.000 claims description 21
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a gear box of a meshing sleeve gear-shifting wheel bridge, which comprises a shell and an input gear, wherein the input gear is arranged on the right inner wall of the shell and is close to the top, through the mutual cooperation among a speed change gear shifting assembly, a brake assembly, a transition assembly, a duplex shifting fork and the like, the speed change gear shifting assembly and the duplex shifting fork are matched, so that the speed change gear shifting assembly cannot be out of gear, a brake assembly can be braked when needed, the effect of braking two output shafts and tires is achieved, the problems that the traditional gearbox structure is not suitable for walking on steep slopes or muddy fields, the speed change gear is easily shifted due to axial force, the gearbox is easy out of gear, and the structure is heavy and the manufacturing cost is high due to the fact that a brake is respectively arranged on left and right brake gear shafts on two sides.
Description
Technical Field
The utility model relates to the technical field related to agricultural machinery vehicle transmission, in particular to a gear box of a gear-sleeve gear-shifting wheel bridge.
Background
The speed changing box is a mechanism for changing the rotation speed and torque from an engine, can fix or shift gears to change the transmission ratio of an output shaft and an input shaft, is widely applied to various fields, including the field of agricultural machinery, and comprises a speed changing box for a harvester.
The Chinese patent application number is: CN201822009937.1 is a combined type wheel axle gearbox, which well solves the problems that the structure of adopting a brake arranged on each of left and right brake gear shafts at two sides to brake is heavy in structure and high in manufacturing cost, so that a gear sleeve gear-shifting wheel axle gearbox is provided.
Disclosure of Invention
The utility model aims to provide a gear sleeve gear-shifting wheel axle gearbox which solves the problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a gear box is put to meshing cover gear bridge gearbox, includes casing and input gear, input gear installs and is close to top department at the right side inner wall of casing, install the variable speed between the inner wall about the casing and shift the subassembly, the variable speed is shifted the subassembly and is connected with the input gear drive, the brake subassembly is installed to the inner wall about the casing, the brake subassembly is connected with the transmission of variable speed is shifted the subassembly, install transition subassembly between the inner wall about the casing, transition subassembly is connected with the transmission of brake subassembly, install differential mechanism subassembly in the casing, differential mechanism subassembly is connected with transition subassembly transmission, the symmetry is provided with the output shaft in the casing, be close to casing center department on the output shaft lateral wall and install drive gear, two drive gear is connected with differential mechanism subassembly transmission respectively, be provided with the duplex shift fork near top department in the casing, duplex shift fork and variable speed are shifted subassembly swing joint.
Further, the speed change gear shifting assembly comprises a speed change gear shifting shaft, a first gear speed change gear is arranged on the side wall of the speed change gear shifting shaft through a needle bearing, a third gear speed change gear is arranged on the side wall of the speed change gear shifting shaft, close to the middle, of the side wall of the speed change gear shifting shaft through a needle bearing, a first meshing sleeve is arranged between the third gear speed change gear and the first gear speed change gear, a second gear speed change gear is arranged on the side wall of the speed change gear shifting shaft through a needle bearing, a first shaft big gear is arranged on the side wall of the speed change gear shifting shaft, close to the right side, a second meshing sleeve is arranged between the first shaft big gear and the second gear speed change gear, and the first meshing sleeve and the second meshing sleeve are respectively movably connected with the duplex shifting fork.
Further, the brake assembly comprises a brake shaft, the brake shaft is movably connected with the inner wall of the shell through a bearing, one end of the brake shaft penetrates through the inner ring of the bearing and extends to the outer side of the shell, a brake body is arranged on the side wall of the brake shaft, a first-gear driven gear is arranged on the side wall of the brake shaft, a third-gear driven gear is arranged on the side wall of the brake shaft, the third-gear driven gear is positioned on the right side of the first-gear driven gear, and a second-gear driven gear is arranged on the side wall of the brake shaft, which is close to the right side.
The transition assembly comprises a transition gear shaft, a three-gear intermediate transition gear is mounted on the side wall of the transition gear shaft, and the three-gear intermediate transition gear is meshed with a three-gear driven gear.
Further, the three-gear intermediate transition gear of the differential assembly is meshed, and the differential assembly is meshed with the driving gears respectively.
The utility model provides a gear box of a meshing sleeve gear wheel bridge, which has the following beneficial effects:
according to the utility model, through the mutual matching among the speed changing and shifting assembly, the brake assembly, the transition assembly, the duplex shifting fork and the like, the power input can be realized to drive the input gear to rotate, the speed changing and shifting assembly and the brake assembly are driven to rotate by the input gear, the power is synchronously transmitted to the two output shafts through the differential mechanism assembly by the brake assembly, the purpose of walking of a harvester is achieved, the speed changing and shifting assembly can not be out of gear through the matching of the speed changing and shifting assembly and the duplex shifting fork, the brake assembly can be braked when needed, the effect of braking the two output shafts and the tires is achieved, the problem that the traditional gearbox structure is not suitable for walking on steep slopes or muddy fields, the speed changing gear is easy to shift due to axial force, the gearbox is easy to be out of gear, and the structure of a brake is arranged on each of left and right brake gear shafts on two sides, so that the structure is heavy and the manufacturing cost is high is solved.
Drawings
FIG. 1 is a block diagram of a transmission assembly of the present utility model;
FIG. 2 is a block diagram of a transmission shift assembly of the present utility model;
FIG. 3 is a block diagram of a brake assembly according to the present utility model;
FIG. 4 is a block diagram of a transition shaft assembly of the present utility model;
FIG. 5 is a block diagram of the present differential;
FIG. 6 is a block diagram of an output shaft of the present utility model;
FIG. 7 is a block diagram of a shift lever of the present utility model;
FIG. 8 is a brake axle construction of the present utility model;
fig. 9 is a structural view of a transitional gear shaft according to the present utility model.
In the figure: 1. an input gear; 2. a variable speed shift assembly; 201. a first gear speed change gear; 202. a speed change shift shaft; 203. a first engagement sleeve; 204. a second engagement sleeve; 205. three-gear speed change gear; 206. a second gear speed change gear; 207. a large gear; 3. a brake shaft assembly; 301. a brake body; 302. a first gear driven gear; 303. a three-gear driven gear; 304. a second-gear driven gear; 305. a brake shaft; 4. a transition assembly; 401. a third gear intermediate transition gear; 402. a transitional gear shaft; 5. a differential assembly; 6. an output shaft; 7. a drive gear; 8. a duplex shift fork; 9. a housing.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
As shown in fig. 1-9, the present utility model provides a technical solution: the utility model provides a gear box of a gear box gear bridge includes casing 9 and input gear 1, input gear 1 installs in casing 9 right side inner wall and is close to top department, install speed change gear shift assembly 2 between the inner wall about casing 9, speed change gear shift assembly 2 is connected with input gear 1 transmission, brake subassembly 3 is installed to inner wall about casing 9, brake subassembly 3 is connected with speed change gear shift assembly 2 transmission, install transition subassembly 4 between the inner wall about casing 9, transition subassembly 4 is connected with brake subassembly 3 transmission, install differential mechanism subassembly 5 in the casing 9, differential mechanism subassembly 5 is connected with transition subassembly 4 transmission, the symmetry is provided with output shaft 6 in the casing 9, be close to casing 9 center department on the output shaft 6 lateral wall and install drive gear 7, two drive gear 7 are connected with differential mechanism subassembly 5 transmission respectively, be provided with duplex shift fork 8 near top department in the casing 9, duplex shift fork 8 and speed change gear shift assembly 2 swing joint.
Preferably, the gear shifting assembly 2 comprises a gear shifting shaft 202, a first gear shifting gear 201 is installed on the side wall of the gear shifting shaft 202 through a needle bearing, a third gear shifting gear 205 is installed on the side wall of the gear shifting shaft 202 close to the middle through a needle bearing, a first meshing sleeve 203 is installed between the third gear shifting gear 205 and the first gear shifting gear 201, a second gear shifting gear 206 is installed on the side wall of the gear shifting shaft 202 through a needle bearing, a first large gear 207 is installed on the side wall of the gear shifting shaft 202 close to the right side, a second meshing sleeve 204 is installed between the first large gear 207 and the second gear shifting gear 206, the first meshing sleeve 203 and the second meshing sleeve 204 are respectively movably connected with the duplex shifting fork 8, the gear shifting assembly 2 can shift gears more, and the gear shifting of the gear shifting box can not be caused.
Preferably, the brake assembly 3 comprises a brake shaft 305, the brake shaft 305 is movably connected with the inner wall of the shell 9 through a bearing, one end of the brake shaft 305 penetrates through the inner ring of the bearing and extends to the outer side of the shell 9, a brake body 301 is mounted on the side wall of the brake shaft 305, a first-gear driven gear 302 is mounted on the side wall of the brake shaft 305, a third-gear driven gear 303 is mounted on the side wall of the brake shaft 305, a second-gear driven gear 304 is mounted on the side wall of the brake shaft 305 close to the right, power of the speed change and gear shift assembly 2 can be transmitted to the transition assembly 4 through the brake assembly 3, and the brake body 301 on the brake shaft 305 can enable the brake shaft 305 to stop rotating to achieve a braking effect.
Preferably, the transition assembly 4 includes a transition gear shaft 402, a three-gear intermediate transition gear 401 is mounted on a side wall of the transition gear shaft 402, the three-gear intermediate transition gear 401 is meshed with the three-gear driven gear 303, and rotation of the brake assembly 3 can be transmitted to the differential assembly 5 through the transition assembly 4.
Preferably, the three-gear intermediate transition gear 401 of the differential mechanism assembly 5 is meshed, the driving gears 7 of the differential mechanism assembly 5 are respectively meshed, the two driving gears 7 can be simultaneously driven to rotate through the inner core of the three-gear intermediate transition gear 401 of the differential mechanism assembly 5, the output shaft 6 and the tires are driven to rotate by the two driving gears 7, the purpose of harvester walking is achieved, and the differential mechanism assembly 5 is a known prior mature technology.
In the gear box of the gear-sleeve gear-shifting wheel bridge, during operation, power is input to drive the input gear 1 to rotate, so that the one-shaft large gear 207 is driven to rotate at the same time, and at the moment, the duplex shifting fork 8 is positioned at the middle position and is not contacted with the first-gear speed change gear 201 and the third-gear speed change gear 205; so that the meshing sleeve 204 is simultaneously positioned on the second-gear speed change gear 206 and the first-shaft large gear 207 to realize the interlocking of the two gears.
The primary gear wheel 207 drives the secondary gear change gear 206 and the gear change shaft 202 to rotate together, and because the primary gear change gear 201 and the gear change shaft 202 adopt a needle bearing coupling mode, the primary gear change gear 201 cannot obtain power and can only be in a following rotation state, and similarly, because the tertiary gear change gear 205 and the gear change shaft 202 adopt a needle bearing coupling mode, the tertiary gear change gear 205 cannot obtain power and can only be in a following rotation state.
At this time, the brake body 301 is in a released state, and for this reason, the second speed change gear 206 drives the second speed driven gear 304 and the brake shaft 305 to rotate together at the second speed, the brake shaft 305 simultaneously drives the third speed driven gear 303 to rotate at the second speed, and power is transmitted to the third speed intermediate transition gear 401, the third speed intermediate transition gear 401 drives the transition gear shaft 402 to rotate, and the transition gear shaft 402 drives the differential gear large gear 501 meshed with the transition gear shaft 402 to rotate. The differential gear wheel 501 drives the differential mechanism assembly 5 fixed on the differential mechanism wheel 501 to rotate together, the differential mechanism assembly 5 drives two 6 output shafts to rotate simultaneously, and the 6 output shafts drive the tires to rotate, so that the agricultural machinery vehicle can finally run at the second gear speed.
When jolting is encountered during running of the vehicle or one side is blocked, and the rotation speeds or strokes of the two sides of the vehicle are inconsistent during turning, the differential mechanism assembly 5 can automatically adjust the rotation speeds of the two sides in a stress manner, so that balance is realized.
When the agricultural machinery vehicle needs to run at the first gear speed, the duplex shifting fork 8 is positioned at the left position, so that the first meshing sleeve 203 is positioned on the first gear speed change gear 201 and the speed change gear shift shaft 202 at the same time, and the two are interlocked; the second meshing sleeve 204 is integrally positioned on the second gear speed changing gear 206 and is not in contact with the first gear big gear 207, the first gear big gear 207 drives the speed changing gear shifting shaft 202 to rotate, the speed changing gear shifting shaft 202 drives the first gear speed changing gear 201 which is interlocked with the speed changing gear shifting shaft 202 to rotate, the three gear speed changing gear 205 cannot obtain power and can only be in a following rotation state due to the adoption of a needle bearing connection mode between the three gear speed changing gear 205 and the speed changing gear shifting shaft 202, the second gear speed changing gear 206 cannot obtain power and can only be in a following rotation state due to the adoption of a needle bearing connection mode between the second gear speed changing gear 206 and the speed changing gear shifting shaft 202, at the moment, the brake body 301 is in a released state, the first gear speed changing gear 201 drives the first gear driven gear 302 and the brake shaft 305 to rotate together at the first gear speed, the three gear driven gear 303 simultaneously drives the third gear driven gear 303 to rotate at the first gear speed, and the power is transmitted to the third gear intermediate gear 401, and finally the agricultural machinery vehicle is driven at the first gear speed.
When the agricultural machinery vehicle needs to run at the three-gear speed, the duplex shifting fork 8 is positioned at the right position, so that the first meshing sleeve 203 is positioned on the three-gear speed changing gear 205 and the speed changing gear shifting shaft 202 at the same time, the first meshing sleeve 209 is integrally positioned on the one-shaft large gear 207 and is not contacted with the two-gear speed changing gear 206, the one-shaft large gear 207 drives the speed changing gear shifting shaft 202 to rotate, the speed changing gear shifting shaft 202 drives the three-gear speed changing gear 205 which is interlocked with the first-gear speed changing gear 201 to rotate, and the first-gear speed changing gear 201 cannot obtain power and can only be in a following rotation state due to the adoption of a needle bearing connection mode.
At this time, the brake body 301 is in a released state, and for this reason, the three-gear speed change gear 205 drives the three-gear driven gear 303 and the brake shaft 305 to rotate together at the three-gear speed, and the three-gear driven gear 303 transmits power to the three-gear intermediate transition gear 401, so that the agricultural machinery vehicle finally runs at the three-gear speed.
When the agricultural machinery vehicle needs to be braked, the brake body 301 is locked, the brake shaft 305 is in a locked state, the brake shaft 305 cannot rotate, the first-gear driven gear 302, the third-gear driven gear 303 and the second-gear driven gear 304 which are arranged on the brake shaft 305 cannot rotate, and power cannot be continuously transmitted, so that the braking of the agricultural machinery vehicle is realized.
Although 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 alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a meshing cover gear wheel bridge gearbox, includes casing (9) and input gear (1), input gear (1) are installed and are close to top department, its characterized in that at casing (9) right side inner wall: the novel transmission gear shifting device is characterized in that a transmission gear shifting assembly (2) is arranged between the left inner wall and the right inner wall of a shell (9), the transmission gear shifting assembly (2) is connected with an input gear (1) in a transmission mode, a brake assembly (3) is arranged on the left inner wall and the right inner wall of the shell (9), the brake assembly (3) is in transmission connection with the transmission gear shifting assembly (2), a transition assembly (4) is arranged between the left inner wall and the right inner wall of the shell (9), a differential mechanism assembly (5) is arranged in the shell (9), the differential mechanism assembly (5) is in transmission connection with the transition assembly (4), an output shaft (6) is symmetrically arranged in the shell (9), a driving gear (7) is arranged on the side wall of the output shaft (6) close to the center of the shell (9), the two driving gears (7) are respectively in transmission connection with the differential mechanism assembly (5), a duplex shifting fork (8) is arranged in the shell (9) close to the top, and the duplex shifting fork (8) is in movable connection with the transmission gear shifting assembly (2).
2. The meshing sleeve gear-shift axle gearbox of claim 1, wherein: the speed change gear shifting assembly (2) comprises a speed change gear shifting shaft (202), a first gear speed change gear (201) is arranged on the side wall of the speed change gear shifting shaft (202) through a needle bearing, a third gear speed change gear (205) is arranged on the side wall of the speed change gear shifting shaft (202) close to the middle through a needle bearing, a first meshing sleeve (203) is arranged between the third gear speed change gear (205) and the first gear speed change gear (201), a second gear speed change gear (206) is arranged on the side wall of the speed change gear shifting shaft (202) through a needle bearing, a first gear big gear (207) is arranged on the side wall of the speed change gear shifting shaft (202) close to the right side, a second meshing sleeve (204) is arranged between the first gear big gear (207) and the second meshing sleeve (204) and is movably connected with a duplex shifting fork (8) respectively.
3. The meshing sleeve gear-shift axle gearbox of claim 1, wherein: the brake assembly (3) comprises a brake shaft (305), the brake shaft (305) is movably connected with the inner wall of the shell (9) through a bearing, one end of the brake shaft (305) penetrates through the inner ring of the bearing and extends to the outer side of the shell (9), a brake body (301) is mounted on the side wall of the brake shaft (305), a first-gear driven gear (302) is mounted on the side wall of the brake shaft (305), a third-gear driven gear (303) is mounted on the side wall of the brake shaft (305), the third-gear driven gear (303) is located on the right side of the first-gear driven gear (302), and a second-gear driven gear (304) is mounted on the side wall of the brake shaft (305) close to the right side.
4. The meshing sleeve gear-shift axle gearbox of claim 1, wherein: the transition assembly (4) comprises a transition gear shaft (402), a three-gear intermediate transition gear (401) is arranged on the side wall of the transition gear shaft (402), and the three-gear intermediate transition gear (401) is meshed with a three-gear driven gear (303).
5. The meshing sleeve gear-shift axle gearbox of claim 1, wherein: the three-gear intermediate transition gear (401) of the differential mechanism assembly (5) is meshed, and the differential mechanism assembly (5) is respectively meshed with the driving gears (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066719.6U CN220168480U (en) | 2023-05-06 | 2023-05-06 | Gear box with meshing sleeve gear wheel bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321066719.6U CN220168480U (en) | 2023-05-06 | 2023-05-06 | Gear box with meshing sleeve gear wheel bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220168480U true CN220168480U (en) | 2023-12-12 |
Family
ID=89060502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321066719.6U Active CN220168480U (en) | 2023-05-06 | 2023-05-06 | Gear box with meshing sleeve gear wheel bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220168480U (en) |
-
2023
- 2023-05-06 CN CN202321066719.6U patent/CN220168480U/en active Active
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