CN216242175U - Gearbox structure for increasing crawling gear - Google Patents
Gearbox structure for increasing crawling gear Download PDFInfo
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- CN216242175U CN216242175U CN202122897782.1U CN202122897782U CN216242175U CN 216242175 U CN216242175 U CN 216242175U CN 202122897782 U CN202122897782 U CN 202122897782U CN 216242175 U CN216242175 U CN 216242175U
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- shaft
- gearbox
- fixedly connected
- increasing
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Abstract
The utility model discloses a gearbox structure for increasing a crawling gear, which comprises a gearbox, wherein an output end of the gearbox is fixedly connected with an output shaft, a gear shaft is connected in the output shaft in a sliding manner, the other end of the gear shaft is fixedly connected with a gear, a planetary gear matched with the gear is arranged on the outer side of the gear, planetary pinions of the planetary gear are all meshed with the gear, a gear carrier is fixedly connected with the output end of the planetary pinion, a control device is arranged on the side wall of one side, close to the output shaft, of the gearbox, the control device is arranged above the output shaft, and a speed change structure is arranged on the other end of the gear carrier. The utility model adds the crawling gear mechanism, the gear of the whole vehicle is doubled on the original basis, the speed completely covers all the requirements of farm implements in the field, and the multiple purposes of one machine are really realized.
Description
Technical Field
The utility model relates to the field of gearboxes, in particular to a gearbox structure for increasing a crawling gear.
Background
The gearbox of the existing 140-horsepower tractor with 180 horsepower only has 16 forward gears and 8 backward gears, the running speed of the vehicle can only be suitable for the field plowing, rotary tillage, seeding and other works, and when ditching or straw bundling is needed, the gearbox of the vehicle lacks a crawling gear, so that the requirement of working conditions cannot be met, and the multipurpose of one machine cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, such as: lack the shelves of crawling, do not have the ability of climbing slowly, can't satisfy the operating mode requirement, can't realize a tractor serves several purposes, and the gearbox structure of the increase shelves of crawling that provides.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the gearbox structure comprises a gearbox, an output shaft is fixedly connected to the output end of the gearbox, a gear shaft is slidably connected to the inner portion of the output shaft, a gear is fixedly connected to the other end of the gear shaft, a planetary gear matched with the gear is arranged on the outer side of the gear, planetary pinions of the planetary gear are all arranged in a meshed mode with the gear, a gear carrier is fixedly connected to the output end of the planetary pinion, the gearbox is close to a control device on the side wall of one side of the output shaft, the control device is arranged above the output shaft, and a speed change structure is arranged on the other end of the gear carrier.
Preferably, a control end of the control device is fixedly connected with an adjusting rod, the gear carrier is provided with a fixed plate in a rotating mode, the upper end of the fixed plate is provided with an opening corresponding to the adjusting rod, the fixed plate is sleeved on the adjusting rod in a rotating mode, the top end of the fixed plate is fixedly connected with a fixed block, a fixed channel is formed in the fixed block, and the fixed channel penetrates through the upper ends of the fixed block and the fixed plate.
Preferably, a fixing rod is arranged in the fixing channel, the fixing rod penetrates through the fixing channel and penetrates through the adjusting rod, and the control device is further provided with a control unit matched with the control device.
Preferably, the speed change structure comprises a connecting rod, the connecting rod is fixedly connected to the side wall of the other side of the gear carrier, a connecting groove is formed in the connecting rod, a rear axle shaft is arranged inside the connecting groove, and the rear axle shaft is connected with the tire through a transmission structure.
Preferably, the outer side wall of the rear axle shaft is fixedly sleeved with a second gear ring, a first gear ring corresponding to the second gear ring is also fixedly arranged on the inner side wall of the connecting groove, the first gear ring is meshed with the second gear ring, and the first gear ring is arranged at one end, close to the rear axle shaft, of the connecting groove.
Preferably, the other end of the gear is fixedly connected with a connecting shaft, and the connecting shaft penetrates through the gear rack and extends into the connecting groove.
Preferably, the other end of the connecting shaft is fixedly connected with a fixed clamping block, and a fixed groove matched with the fixed clamping block is formed in the side wall of the rear axle shaft, which is close to the connecting shaft.
Compared with the prior art, the utility model has the beneficial effects that: through the speed change structure, a crawling gear mechanism is added, the gear of the whole farm machine is doubled on the original basis, the speed comprehensively covers the requirements of all farm machines in the field, and the multiple purposes of one machine are really realized.
Drawings
FIG. 1 is a schematic structural diagram of a transmission structure for increasing a creep speed according to the present invention;
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is a schematic diagram of a testing structure of a connecting plate of a gearbox structure with an added crawling gear according to the present invention.
In the figure: the device comprises a gearbox 1, an output shaft 2, a gear 3, a planetary gear 4, a gear carrier 5, a fixing plate 6, an adjusting rod 7, a fixing block 8, a fixing rod 9, a rear axle shaft 10, a connecting shaft 11, a connecting rod 12, a connecting groove 13, a first gear ring 14, a fixed groove 15, a second gear ring 16 and a fixed clamping block 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a gearbox structure for increasing a crawling gear comprises a gearbox 1, an output end of the gearbox 1 is fixedly connected with an output shaft 2, a gear shaft is slidably connected inside the output shaft 2, the other end of the gear shaft is fixedly connected with a gear 3, a planetary gear 4 matched with the gear 3 is arranged on the outer side of the gear 3, planetary pinions of the planetary gear 4 are all meshed with the gear 3, an output end of the planetary pinion is fixedly connected with a gear carrier 5, a control device is arranged on the side wall of the gearbox 1 close to the output shaft 2, a control rod 7 is fixedly connected with a control end of the control device, a fixed plate 6 is rotatably sleeved on the gear carrier 5, an opening corresponding to the adjusting rod 7 is further arranged at the upper end of the fixed plate 6, the fixed plate 6 is rotatably sleeved on the adjusting rod 7, a fixed block 8 is fixedly connected to the top end of the fixed plate 6, a fixed channel is arranged in the fixed block 8, the fixed channel penetrates through the fixed block 8 and the upper end of the fixed plate 6, a fixed rod 9 is arranged in the fixed channel, the fixed rod 9 penetrates through the fixed channel and penetrates through the adjusting rod 7, the control device is also provided with a control unit matched with the control device, the control device is arranged above the output shaft 2, the other end of the gear carrier 5 is provided with a speed change structure, the speed change structure comprises a connecting rod 12, the connecting rod 12 is fixedly connected to the side wall of the other side of the gear carrier 5, the connecting rod 12 is provided with a connecting groove 13, a rear axle shaft 10 is arranged in the connecting groove 13, the rear axle shaft 10 is connected with a tire through a transmission structure, a gear ring II 16 is fixedly sleeved on the outer side wall of the rear axle shaft 10, a gear ring I14 corresponding to the gear ring II 16 is also fixedly arranged on the inner side wall of the connecting groove 13, and the gear ring I14 is meshed with the gear ring II 16, the first gear ring 14 is arranged at one end of the connecting groove 13 close to the rear axle shaft 10, the other end of the gear 3 is fixedly connected with a connecting shaft 11, the connecting shaft 11 penetrates through the gear carrier 5 and extends into the connecting groove 13, the other end of the connecting shaft 11 is fixedly connected with a fixed clamping block 17, a fixed groove 15 matched with the fixed clamping block 17 is formed in the side wall of one side, close to the connecting shaft 11, of the rear axle shaft 10, when the tractor needs to climb, the control structure is controlled through the control unit, the adjusting rod 7 moves leftwards, the gear 3, the planetary gear 4 and other structures move rightwards, the first gear ring 14 is meshed with the second gear ring 16, therefore, under the action of the planetary gear 4, the rotating speed of the rear axle shaft 10 is reduced, the moving speed of the tractor is reduced, and the power of the device is changed, therefore, after the speed is reduced, the traction force is improved, and slow climbing is realized, when climbing is not needed, the adjusting rod 7 is controlled to move rightwards, the first gear ring 14 is not meshed with the second gear ring 16, the fixed clamping block 17 is connected with the fixed groove 15, the rear axle shaft 10 is not influenced by the planetary gear 4, the rotating speed is increased, and the speed of the tractor is increased accordingly.
When climbing is needed, the control unit controls the control structure to enable the adjusting rod 7 to move leftwards, the structures such as the gear 3 and the planetary gear 4 move rightwards, the first gear ring 14 is meshed with the second gear ring 16, so that the rotating speed of the rear axle shaft 10 is reduced under the action of the planetary gear 4, the moving speed of the tractor is reduced, traction force is improved after the speed is reduced due to the change of power of the device, slow climbing is achieved, when climbing is not needed, the adjusting rod 7 is controlled to move rightwards, the first gear ring 14 is not meshed with the second gear ring 16, the fixed fixture block 17 is connected with the fixed groove 15, the rear axle shaft 10 is not affected by the planetary gear 4 any more, the rotating speed is increased, and the speed of the tractor is increased accordingly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (7)
1. The gearbox structure for increasing the crawling gear comprises a gearbox (1) and is characterized in that an output shaft (2) is fixedly connected to the output end of the gearbox (1), a gear shaft is slidably connected to the inner portion of the output shaft (2), a gear (3) is fixedly connected to the other end of the gear shaft, a planetary gear (4) matched with the gear (3) is arranged on the outer side of the gear (3), planetary pinions of the planetary gear (4) are all meshed with the gear (3), a gear carrier (5) is fixedly connected to the output end of the planetary pinions, a control device is arranged on the side wall, close to the output shaft (2), of the gearbox (1), the control device is arranged above the output shaft (2), and a speed changing structure is arranged at the other end of the gear carrier (5).
2. The gearbox structure for increasing the crawling gear according to claim 1, wherein a control end of the control device is fixedly connected with an adjusting rod (7), the gear carrier (5) is rotatably sleeved with a fixing plate (6), an opening corresponding to the adjusting rod (7) is further formed in the upper end of the fixing plate (6), the fixing plate (6) is rotatably sleeved on the adjusting rod (7), the top end of the fixing plate (6) is fixedly connected with a fixing block (8), a fixing channel is formed in the fixing block (8), and the fixing channel penetrates through the fixing block (8) and the upper end of the fixing plate (6).
3. The gearbox structure for increasing the crawling gear according to claim 2, wherein a fixed rod (9) is arranged in the fixed channel, the fixed rod (9) penetrates through the fixed channel and is arranged through the adjusting rod (7), and the control device is further provided with a control unit matched with the control device.
4. The gearbox structure for increasing the crawling gear according to claim 1, wherein the speed change structure comprises a connecting rod (12), the connecting rod (12) is fixedly connected to the other side wall of the gear carrier (5), a connecting groove (13) is formed in the connecting rod (12), a rear axle shaft (10) is arranged inside the connecting groove (13), and the rear axle shaft (10) is connected with a tire through a transmission structure.
5. The gearbox structure for increasing the creep gear according to claim 4, wherein a second gear ring (16) is fixedly sleeved on the outer side wall of the rear axle shaft (10), a first gear ring (14) corresponding to the second gear ring (16) is also fixedly arranged on the inner side wall of the connecting groove (13), the first gear ring (14) is meshed with the second gear ring (16), and the first gear ring (14) is arranged at one end, close to the rear axle shaft (10), of the connecting groove (13).
6. The gearbox structure for increasing the crawling gear according to claim 4, wherein a connecting shaft (11) is fixedly connected to the other end of the gear (3), and the connecting shaft (11) penetrates through the gear carrier (5) and extends into the connecting groove (13).
7. The gearbox structure for increasing the crawling gear according to claim 6, wherein a fixing clamping block (17) is fixedly connected to the other end of the connecting shaft (11), and a fixing groove (15) matched with the fixing clamping block (17) is formed in the side wall, close to the connecting shaft (11), of the rear axle shaft (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897782.1U CN216242175U (en) | 2021-11-24 | 2021-11-24 | Gearbox structure for increasing crawling gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122897782.1U CN216242175U (en) | 2021-11-24 | 2021-11-24 | Gearbox structure for increasing crawling gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216242175U true CN216242175U (en) | 2022-04-08 |
Family
ID=80956124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122897782.1U Active CN216242175U (en) | 2021-11-24 | 2021-11-24 | Gearbox structure for increasing crawling gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216242175U (en) |
-
2021
- 2021-11-24 CN CN202122897782.1U patent/CN216242175U/en active Active
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