CN214197181U - Low-friction long-service-life gear reducer device - Google Patents
Low-friction long-service-life gear reducer device Download PDFInfo
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- CN214197181U CN214197181U CN202022685094.4U CN202022685094U CN214197181U CN 214197181 U CN214197181 U CN 214197181U CN 202022685094 U CN202022685094 U CN 202022685094U CN 214197181 U CN214197181 U CN 214197181U
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Abstract
The utility model discloses a low-friction long-life gear reducer device, which comprises an input shaft, an input end shell, an oil seal, an input bearing gland, a bearing, a steel wheel, an output end shell, a flexible wheel, an output shaft, a shaft sleeve and an output shaft gland, wherein the roughness of the bearing, the input shaft and the output shaft is Ra less than or equal to 0.05, the surface roughness of the bearing and the rotor shaft is extremely low, the surfaces of the bearing and the rotor shaft are smooth, the input shaft and the output shaft rotate in the bearing inner ring, no friction force exists, the abrasion of the rotor shaft can not be caused, in addition, the acting force of two bearings assembled back to back is on the central line of the rotor shaft, the bearing can not be blocked in the rotating process, the rotation of the input shaft and the output shaft is ensured, the bearing is soaked in kerosene before the assembling, the lubricating property of the bearing is ensured, the oil seal is arranged between the two ends of the bearing and the bearing gland, the leakage of lubricating oil can be avoided, further reduce the friction between bearing and input shaft and the output shaft, prolong the life of input shaft and output shaft.
Description
Technical Field
The utility model relates to a gear reducer technical field, in particular to low friction long-life gear reducer device.
Background
The gear reducer is an independent closed transmission device between a prime motor and a working machine, is used for reducing the rotating speed and increasing the torque so as to meet the working requirement, and is also used for increasing the speed in some occasions, and is called as a speed increaser. The input shaft and the output shaft of the existing gear reducer are easy to wear, the service life of the input shaft and the service life of the output shaft are shortened, and the input shaft and the output shaft are easy to block in the operation process, so that the gear reducer is in obstacle to operation.
The utility model provides a low friction long-life gear reducer device solves above-mentioned technical problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low friction long-life gear reducer device solves above-mentioned technical problem.
A low-friction long-life gear reducer device is characterized in that: the input shaft is positioned in the inner cavity of the input end shell, one end of the input shaft penetrates through the flexible wheel and extends into the output end shell to be connected with the output shaft through the bearing, and the other end of the input shaft extends out of the input bearing gland, the input shaft is located in an inner cavity of the input end shell and is provided with two bearings assembled back to back at positions close to the input bearing gland, an oil seal is arranged at a joint of the input bearing gland and the input shaft, a shaft sleeve is arranged between the two bearings, two bearings assembled back to back are arranged at positions close to an inner cavity of the output end shell and close to the output shaft bearing gland of the output shaft, an oil seal is arranged at a joint of the output shaft bearing cap and the output shaft, a shaft sleeve is arranged between the two bearings, kerosene soaking treatment is carried out before the bearings are assembled, and the roughness of the bearings, the input shaft and the output shaft is Ra (Ra) less than or equal to 0.05.
Further, the bearing is a deep groove ball bearing.
Further, the oil seal is a wool felt oil seal.
Compared with the prior art, the utility model has the advantages that: the bearings are specially arranged on the input shaft and the output shaft in a back-to-back assembly mode, the bearings are subjected to kerosene soaking treatment before assembly, oil seals are arranged at the joint of the input bearing gland and the input shaft and at the joint of the output shaft bearing cap and the output shaft, the roughness Ra of the bearings, the input shaft and the output shaft is less than or equal to 0.05, the roughness of the surfaces of the bearings and the rotor shaft is extremely low, the surfaces of the bearings and the rotor shaft are smooth, the input shaft and the output shaft rotate in the inner ring of the bearing, friction force is avoided, the rotor shaft cannot be abraded, the acting force of the two bearings subjected to back-to-back assembly is on the central line of the rotor shaft, the bearings cannot be clamped in the rotating process, the rotation of the input shaft and the output shaft is ensured, the bearings are subjected to kerosene soaking treatment before assembly, the lubricity of the bearings is ensured, oil seals are arranged between the two ends of the bearings and the bearing glands, the lubricating oil can be prevented from leaking, and the lubricity between the bearings and the input shaft and the output shaft is ensured, the friction between the bearing and the input shaft and the output shaft is further reduced, so that the input shaft and the output shaft rotate in the bearing without obstacles, the input shaft and the output shaft are not easy to wear, and the service lives of the input shaft and the output shaft are prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic illustration of a low friction long life gear reducer assembly according to an embodiment of the present invention;
in the drawings: 1. an input shaft; 2. an input end housing; 3. oil sealing; 4. inputting a bearing gland; 5. a bearing; 7. a steel wheel; 8. an output end housing; 9. a flexible gear; 10. an output shaft; 11. a shaft sleeve; 12. an output shaft bearing cover.
Detailed Description
In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 1 is a schematic structural view of a low-friction long-life gear reducer device provided in an embodiment of the present invention, as shown in fig. 1, a low-friction long-life gear reducer device is characterized in that: the input shaft comprises an input shaft 1, an input end shell 2, an oil seal 3, an input bearing gland 4, a bearing 5, a steel wheel 7, an output end shell 8, a flexible wheel 9, an output shaft 10, a shaft sleeve 11 and an output bearing gland 12, wherein one end of the input end shell 2 and one end of the output end shell 2 are connected together through bolts, the input bearing gland 4 is arranged at the other end of the input end shell 2, the output end shell 8 is provided with an output shaft bearing gland 12 at the other end, the central line of the inner cavity of the input end shell 2 coincides with the central line of the inner cavity of the output end shell 8, the inner cavity of the input end shell 2 and the inner cavity of the output end shell 8 form a reducer inner cavity, the reducer inner cavity is provided with the flexible wheel 9 and the steel wheel 7, the steel wheel 7 and the flexible wheel 9 are mutually meshed, the input shaft 1 is positioned in the inner cavity of the input end shell 2, and one end of the input shaft passes through the flexible wheel 9 and extends into the output end shell 2, the input shaft is connected with the output shaft 10 through a bearing 5, the other end of the input shaft 1 extends out of an input bearing gland 4, two bearings 5 assembled back to back are arranged at the position, close to the input bearing gland 4, of the input shaft 1, an oil seal 3 is arranged at the joint of the input bearing gland 4 and the input shaft 1, a shaft sleeve 11 is arranged between the two bearings 5, two bearings 5 assembled back to back are arranged at the position, close to an output shaft bearing cap 12, of the output shaft 10, the position, close to the output shaft bearing cap 12, of the output shaft 10, an oil seal 3 is arranged at the joint of the output shaft bearing cap 12 and the output shaft 10, a shaft sleeve 11 is arranged between the two bearings 5, the bearings 5 are subjected to kerosene soaking treatment before being assembled, and the roughness Ra of the bearings 5, the input shaft 1 and the output shaft 10 is less than or equal to 0.05.
Preferably, the bearing 5 is a deep groove ball bearing.
Preferably, the oil seal 3 is a felt oil seal.
The beneficial effects of the utility model include: the bearings are specially arranged on the input shaft and the output shaft in a back-to-back assembly mode, the bearings are subjected to kerosene soaking treatment before assembly, oil seals are arranged at the joint of the input bearing gland and the input shaft and at the joint of the output shaft bearing cap and the output shaft, the roughness Ra of the bearings, the input shaft and the output shaft is less than or equal to 0.05, the roughness of the surfaces of the bearings and the rotor shaft is extremely low, the surfaces of the bearings and the rotor shaft are smooth, the input shaft and the output shaft rotate in the inner ring of the bearing, friction force is avoided, the rotor shaft cannot be abraded, the acting force of the two bearings subjected to back-to-back assembly is on the central line of the rotor shaft, the bearings cannot be clamped in the rotating process, the rotation of the input shaft and the output shaft is ensured, the bearings are subjected to kerosene soaking treatment before assembly, the lubricity of the bearings is ensured, oil seals are arranged between the two ends of the bearings, the friction between the bearing and the input shaft and the output shaft is further reduced, so that the input shaft and the output shaft rotate in the bearing without obstacles, the input shaft and the output shaft are not easy to wear, and the service lives of the input shaft and the output shaft are prolonged.
The utility model provides a pair of low friction long-life gear reducer device, it should be understood, above-mentioned embodiment is only for the explanation the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses a content and according to with the implementation, can not restrict with this the utility model discloses a protection scope. All simple changes and replacements made by the contents of the utility model are included in the protection scope of the utility model.
Claims (3)
1. A low-friction long-life gear reducer device is characterized in that: the input shaft is positioned in the inner cavity of the input end shell, one end of the input shaft penetrates through the flexible wheel and extends into the output end shell to be connected with the output shaft through the bearing, and the other end of the input shaft extends out of the input bearing gland, the input shaft is located in an inner cavity of the input end shell and is provided with two bearings assembled back to back at positions close to the input bearing gland, an oil seal is arranged at a joint of the input bearing gland and the input shaft, a shaft sleeve is arranged between the two bearings, two bearings assembled back to back are arranged at positions close to an inner cavity of the output end shell and close to the output shaft bearing gland of the output shaft, an oil seal is arranged at a joint of the output shaft bearing cap and the output shaft, a shaft sleeve is arranged between the two bearings, kerosene soaking treatment is carried out before the bearings are assembled, and the roughness of the bearings, the input shaft and the output shaft is Ra (Ra) less than or equal to 0.05.
2. A low friction long life gear reducer assembly as set forth in claim 1 wherein: the bearing is a deep groove ball bearing.
3. A low friction long life gear reducer assembly as set forth in claim 1 wherein: the oil seal is a wool felt oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022685094.4U CN214197181U (en) | 2020-11-20 | 2020-11-20 | Low-friction long-service-life gear reducer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022685094.4U CN214197181U (en) | 2020-11-20 | 2020-11-20 | Low-friction long-service-life gear reducer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214197181U true CN214197181U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022685094.4U Active CN214197181U (en) | 2020-11-20 | 2020-11-20 | Low-friction long-service-life gear reducer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214197181U (en) |
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2020
- 2020-11-20 CN CN202022685094.4U patent/CN214197181U/en active Active
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Effective date of registration: 20221206 Address after: 215103 Building 4, No. 40, Shangxin Road, Hengjing Street, Suzhou Wuzhong Economic Development Zone, Suzhou, Jiangsu Province Patentee after: COSCO Intelligent Technology (Suzhou) Co.,Ltd. Address before: 215132 No. 901, chunshenhu West Road, Huangqiao street, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: Suzhou Lantian Precision Machinery Co.,Ltd. |