CN211737948U - Oil leakage prevention structure of wheel rim driving gear box - Google Patents
Oil leakage prevention structure of wheel rim driving gear box Download PDFInfo
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- CN211737948U CN211737948U CN201922316719.7U CN201922316719U CN211737948U CN 211737948 U CN211737948 U CN 211737948U CN 201922316719 U CN201922316719 U CN 201922316719U CN 211737948 U CN211737948 U CN 211737948U
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Abstract
The utility model provides a wheel limit drive gear box leak protection oil structure, includes the input flange that directly allies oneself with axle differential mechanism, and the right side of input flange is provided with the sun gear axle, and the left end outside of sun gear axle is provided with the axle sleeve, and the input flange sets up the left end in the axle sleeve outside, and the outside right-hand member of axle sleeve is provided with mounting flange, is provided with supporting bearing between mounting flange and the axle sleeve, is provided with the oil blanket between input flange and the mounting flange. Compared with the traditional structure that the sun gear shaft can not float in the meshing process, the input flange with the new structure is connected with the sun gear shaft of the gear box through the shaft sleeve, thereby ensuring the floating of the sun gear shaft and the transmission precision of the planetary gear mechanism of the gear box; the double-bearing support is adopted, so that the stress is more stable, the reliability of the structure is improved, the additional radial external force effect is realized, the sun wheel shaft does not swing, the sealing surface of the oil seal does not jump, and the failure of the oil seal and oil leakage are not caused; compared with the traditional design, the structure is more stable, and the maintenance, the disassembly and the assembly are more convenient.
Description
Technical Field
The utility model belongs to the technical field of the gear box improves, concretely relates to wheel limit drive gear box leak protection oil structure.
Background
The gearbox is also called a gearbox, is the most widely applied important part in mechanical transmission, is a power transmission mechanism, and is also a transmission device for reducing speed and increasing torque; the gear box is a device which converts the rotating speed of the motor into the rotating speed required by the working equipment and increases the torque through the meshing of gears with different tooth numbers.
At present, a mining articulated dump truck (hinge clamp for short) is provided, and each wheel-side drive needs a gear box in order to meet the requirement of the hinge clamp on the working condition of all-wheel drive. The existing gearbox is designed to have defects, and part of the existing gearbox is structurally shown in figure 1 and comprises an input flange directly connected with an axle differential, wherein the input flange is arranged at one end of a sun wheel shaft, a fixing flange is further arranged on the sun wheel shaft, the fixing flange and the sun wheel shaft are positioned through a supporting bearing, and an oil seal is arranged between the fixing flange and the input flange. The input end is supported by a single bearing, and in the rotating process of the coupler, an additional radial external force effect is provided, so that the input shaft of the gear box swings, the sealing surface of the oil seal jumps, and the jump of the sun wheel shaft increases along with the increase of the abrasion of the supporting bearing, so that the sealing of the oil seal fails and oil leaks.
Therefore, an oil leakage prevention structure of the wheel-side driving gearbox is designed to solve the problems.
Disclosure of Invention
For overcoming the not enough among the above-mentioned prior art, the utility model aims to provide a wheel limit drive gear box leak protection oil structure.
In order to achieve the above objects and other related objects, the present invention provides a technical solution: the utility model provides a wheel limit drive gear box leak protection oil structure, includes the input flange that directly allies oneself with axle differential mechanism, the right side of input flange is provided with the sun gear axle, the left end outside of sun gear axle is provided with the axle sleeve, the input flange sets up the outside left end of axle sleeve, the outside right-hand member of axle sleeve is provided with mounting flange, mounting flange with be provided with supporting bearing between the axle sleeve, the input flange with be provided with the oil blanket between the mounting flange.
The preferable technical scheme is as follows: the left end of the fixing flange comprises a detachable fixing disc, and the oil seal is located between the fixing disc and the input flange.
The preferable technical scheme is as follows: the support bearing includes a first bearing and a second bearing, the first bearing being located to the left of the second bearing.
The preferable technical scheme is as follows: the right end of the outer portion of the shaft sleeve is provided with a first step, the inner side of the fixing flange is provided with a second step, the first step and the second step are arranged correspondingly, and the inner side and the outer side of the second bearing are respectively arranged at the first step and the second step.
The preferable technical scheme is as follows: the first bearing is located at the left end of the fixing flange, a third step is arranged in the fixing disc, and the first bearing is located at the third step.
The preferable technical scheme is as follows: the shaft sleeve is connected with the input flange and the sun wheel shaft through splines.
Because of the application of the technical scheme, compared with the prior art, the utility model the advantage that has is:
compared with the traditional structure that the sun gear shaft can not float in the meshing process, the input flange with the new structure is connected with the sun gear shaft of the gear box through the shaft sleeve, thereby ensuring the floating of the sun gear shaft and the transmission precision of the planetary gear mechanism of the gear box; the double-bearing support is adopted, so that the stress is more stable, the reliability of the structure is improved, the additional radial external force effect is realized, the sun wheel shaft does not swing, the sealing surface of the oil seal does not jump, and the failure of the oil seal and oil leakage are not caused; compared with the traditional design, the structure is more stable, maintenance and disassembly and assembly are more convenient, the practicability is high, and the popularization is suitable.
Drawings
Fig. 1 is a schematic diagram of a conventional structure.
Fig. 2 is a schematic structural diagram of the utility model of the year.
In the above drawings, an input flange 1, an oil seal 2, a sun gear shaft 3, a support bearing 4, a first bearing 401, a second bearing 402, a fixed flange 5, a fixed disc 501 and a shaft sleeve 6.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1 and fig. 2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
Example (b): as shown in fig. 2, an oil leakage prevention structure of a wheel-side drive gear box comprises an input flange 1 directly connected with an axle differential, a sun gear shaft 3 is arranged on the right side of the input flange 1, a shaft sleeve 6 is arranged on the outer side of the left end of the sun gear shaft 3, the input flange 1 is arranged at the left end outside the shaft sleeve 6, a fixing flange 5 is arranged at the right end outside the shaft sleeve 6, a supporting bearing 4 is arranged between the fixing flange 5 and the shaft sleeve 6, and an oil seal 2 is arranged between the input flange 1 and the fixing flange 5.
In this solution, as shown in fig. 2, the sun gear shaft 3 can float during the meshing process, and the input flange 1 is connected with the sun gear shaft 3 of the gearbox through a shaft sleeve 6, so that the floating of the sun gear shaft 3 and the transmission precision of the planetary gear mechanism of the gearbox are ensured.
The preferred embodiment is: as shown in fig. 2, the left end of the fixing flange 5 includes a detachable fixing plate 501, and the oil seal 2 is located between the fixing plate 501 and the input flange 1. Make split type detachable construction with 5 structures of traditional mounting flange, the installation of the supporting bearing 4 of being convenient for, oil blanket 2 etc. improves the installation effectiveness.
The preferred embodiment is: as shown in fig. 2, the support bearing 4 includes a first bearing 401 and a second bearing 402, and the first bearing 401 is located on the left side of the second bearing 402. By adopting double-bearing support, the stress is more stable, the reliability of the structure is improved, the additional radial external force effect is realized, the sun wheel shaft 3 does not swing, the sealing surface of the oil seal 2 does not jump, and the failure and oil leakage of the oil seal 2 can not be caused.
The preferred embodiment is: as shown in fig. 2, a first step is provided at the right end of the outer portion of the shaft sleeve 6, a second step is provided at the inner side of the fixing flange 5, the first step and the second step are provided correspondingly, and the inner side and the outer side of the second bearing 402 are respectively provided at the first step and the second step. The structure between the fixed flange 5 and the shaft sleeve 6 is more stable, the stress is more stable, and the reliability of the structure is improved.
The preferred embodiment is: as shown in fig. 2, the first bearing 401 is located at the left end of the fixing flange 5, a third step is provided in the fixing disc 501, and the first bearing 401 is located at the third step. The structure between the first bearing 401 and the fixing flange 5 is more stable, the stress is more stable, and the reliability of the structure is improved.
The preferred embodiment is: the shaft sleeve 6 is connected with the input flange 1 and the sun wheel shaft 3 by splines. The spline connection has more teeth, larger total contact area and large transmission torque, and can bear larger load; the centering performance is good, the guidance quality is good, the connection stress is relatively uniform, and the disassembly is convenient.
Compared with the traditional structure that the sun gear shaft can not float in the meshing process, the input flange with the new structure is connected with the sun gear shaft of the gear box through the shaft sleeve, thereby ensuring the floating of the sun gear shaft and the transmission precision of the planetary gear mechanism of the gear box; the double-bearing support is adopted, so that the stress is more stable, the reliability of the structure is improved, the additional radial external force effect is realized, the sun wheel shaft does not swing, the sealing surface of the oil seal does not jump, and the failure of the oil seal and oil leakage are not caused; compared with the traditional design, the structure is more stable, maintenance and disassembly and assembly are more convenient, the practicability is high, and the popularization is suitable.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a wheel limit drive gear box leak protection oil structure, includes the input flange directly allies oneself with axle differential mechanism, its characterized in that: the right side of the input flange is provided with a sun wheel shaft, the outer side of the left end of the sun wheel shaft is provided with a shaft sleeve, the input flange is arranged at the left end outside the shaft sleeve, the right end outside the shaft sleeve is provided with a fixed flange, a supporting bearing is arranged between the fixed flange and the shaft sleeve, and an oil seal is arranged between the input flange and the fixed flange.
2. The wheel-rim drive gearbox oil leakage prevention structure of claim 1, wherein: the left end of the fixing flange comprises a detachable fixing disc, and the oil seal is located between the fixing disc and the input flange.
3. The wheel-rim drive gearbox oil leakage prevention structure of claim 2, wherein: the support bearing includes a first bearing and a second bearing, the first bearing being located to the left of the second bearing.
4. The wheel-rim drive gearbox oil leakage prevention structure of claim 3, wherein: the right end of the outer portion of the shaft sleeve is provided with a first step, the inner side of the fixing flange is provided with a second step, the first step and the second step are arranged correspondingly, and the inner side and the outer side of the second bearing are respectively arranged at the first step and the second step.
5. The wheel-rim drive gearbox oil leakage prevention structure of claim 4, wherein: the first bearing is located at the left end of the fixing flange, a third step is arranged in the fixing disc, and the first bearing is located at the third step.
6. The wheel-rim drive gearbox oil leakage prevention structure of claim 5, wherein: the shaft sleeve is connected with the input flange and the sun wheel shaft through splines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316719.7U CN211737948U (en) | 2019-12-21 | 2019-12-21 | Oil leakage prevention structure of wheel rim driving gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316719.7U CN211737948U (en) | 2019-12-21 | 2019-12-21 | Oil leakage prevention structure of wheel rim driving gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211737948U true CN211737948U (en) | 2020-10-23 |
Family
ID=72869619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316719.7U Active CN211737948U (en) | 2019-12-21 | 2019-12-21 | Oil leakage prevention structure of wheel rim driving gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211737948U (en) |
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2019
- 2019-12-21 CN CN201922316719.7U patent/CN211737948U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee after: Suzhou Asia Pacific Jingrui Transmission Technology Co.,Ltd. Address before: 215000 No.4, Xingwang Road, Industrial Park 2, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU ASIA PACIFIC METAL Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |