CN112145641A - Asymmetric damping structure take-up pulley of high reliability - Google Patents
Asymmetric damping structure take-up pulley of high reliability Download PDFInfo
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- CN112145641A CN112145641A CN202011247645.7A CN202011247645A CN112145641A CN 112145641 A CN112145641 A CN 112145641A CN 202011247645 A CN202011247645 A CN 202011247645A CN 112145641 A CN112145641 A CN 112145641A
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- support plate
- plate
- spring
- support
- sleeve
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- 238000013016 damping Methods 0.000 title claims abstract description 17
- 239000000428 dust Substances 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0802—Actuators for final output members
- F16H2007/0806—Compression coil springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0842—Mounting or support of tensioner
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H2007/0863—Finally actuated members, e.g. constructional details thereof
- F16H2007/0865—Pulleys
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The invention provides a high-reliability tension pulley with an asymmetric damping structure, which aims to solve the technical problems of low tension and non-uniform tension of a belt in the prior art. The double-row deep groove ball bearing comprises a support sleeve, a first support plate, a second support plate, a central shaft sleeve, a double-row deep groove ball bearing, a spring, a cover plate, a first belt pulley and a second belt pulley. According to the invention, one end of the spring is connected with the cover plate and the fixing part supporting sleeve to ensure the fixing, and the other end of the spring is connected with the supporting plate to ensure the rotation property, so that the requirement of the tensioning wheel for providing torque is met, and the double-row deep groove ball bearing is adopted to ensure the stable and uniform tension on the belt.
Description
Technical Field
The invention relates to a high-reliability asymmetric damping structure tensioning wheel.
Background
At present, a V-ribbed belt is widely applied in a front-end gear train of an engine, but the belt transmission belongs to friction transmission, and the belt can be gradually extended and worn along with the continuous increase of time. In order to ensure that the engine can stably, efficiently and reliably transmit energy to each front-end accessory and ensure that the belt tension changes in a relatively stable area, a tensioning device (a tensioning wheel) is added to the front-end wheel train accessory. The traditional fixed type tensioning device cannot automatically compensate due to extension of the belt, when the belt tension is insufficient, the accessory belt transmission system has the problems of low transmission efficiency, high noise and the like, so that an automatic tensioning wheel is developed, the belt tension is ensured to change in a relatively stable area along with gradual extension and abrasion of the belt, and the engine is ensured to stably, efficiently and reliably transmit energy to each front-end accessory. However, with the development of the national six-engine in China, the use working condition of the engine is improved and optimized, and the traditional asymmetric damping tension wheel cannot meet the requirements of the national six-engine.
Disclosure of Invention
The invention aims to provide a high-reliability tension pulley with an asymmetric damping structure, which aims to solve the technical problems of low belt tension and uneven tension in the prior art; the technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a high-reliability tension pulley with an asymmetric damping structure, which comprises a support sleeve, a first support plate, a second support plate, a central shaft sleeve, a double-row deep groove ball bearing, a spring, a cover plate, a first belt pulley and a second belt pulley, wherein the support sleeve is fixedly connected with the support sleeve; the support plate I is provided with a first hook groove for connecting a spring, the support plate II is provided with a second hook groove and a third hook groove for connecting the spring, the support plate I is pressed on the support sleeve through the spring compressed in the first hook groove, the cover plate is pressed on the support plate through the spring compressed in the second hook groove, the support plate is pressed on the support sleeve through the spring compressed in the third hook groove, two ends of the spring are respectively provided with a hook, one end of the spring is connected with the support plate I or the support plate II, and the other end of the spring is connected with the support sleeve; knurling is arranged at two ends of the central shaft sleeve, and the support plate I, the support plate II, the support sleeve, the cover plate and the central shaft sleeve are fixedly connected through the knurling; the support plate II is provided with a step I and a step II which are used for positioning a bearing, the step I and the step II are fixedly provided with a double-row deep groove ball bearing, and a belt pulley I and a belt pulley II are respectively and fixedly arranged between the step I and the step II and between the double-row deep groove ball bearing.
Optionally or preferably, a first sliding bearing and a first wear-reducing plate are arranged between the first support plate and the central shaft sleeve and between the second support plate and the support sleeve, a second sliding bearing and a second wear-reducing plate are arranged between the second support plate and the central shaft sleeve and between the second support plate and the support sleeve.
Optionally or preferably, the first belt pulley and the second belt pulley are respectively provided with a first dust cover and a second dust cover.
Optionally or preferably, the first step and the second step are respectively provided with a first retainer ring and a second retainer ring for limiting the first belt pulley and the second belt pulley, a fixing plate is connected between the first retainer ring and the second retainer ring, and two ends of the fixing plate are respectively connected with the first retainer ring and the second retainer ring through bolts.
Alternatively or preferably, the support sleeve is fixed to the engine.
Alternatively or preferably, the bolts are hexagonal flange face bolts M10 x 30.
Based on the technical scheme, the embodiment of the invention can at least produce the following technical effects:
(1) according to the high-reliability asymmetric damping structure tensioning wheel provided by the invention, one end of the spring is connected with the cover plate and the fixing part supporting sleeve to ensure the fixation, and the other end of the spring is connected with the supporting plate to ensure the rotation property, so that the requirement of torque provided by the tensioning wheel is met, and the double-row deep groove ball bearing is adopted to ensure the stable and uniform tension on a belt.
(2) The high-reliability asymmetric damping structure tensioning wheel provided by the invention has the advantages that the first supporting plate and the second supporting plate are pressed on the fixing part supporting sleeve by utilizing the pressure after the spring is compressed, the first wear-resistant part sliding bearing and the first wear-reducing plate are designed between the first supporting plate and the supporting sleeve, and the second sliding bearing and the second wear-reducing plate are designed between the second supporting plate and the central shaft sleeve, so that the supporting plate of the rotating part and all wear-resistant parts are completely attached without gaps, and the wear resistance and the stability of the device are ensured.
(3) The high-reliability asymmetric damping structure tensioning wheel provided by the invention is designed with the dustproof plate, so that the environment is clean and pollution-free when the supporting plate and the wear-resistant part work.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an example of the present invention;
in the figure: 1. a support sleeve; 2. a first support plate; 3. a first sliding bearing; 4. a first antifriction plate; 5. a first hook groove; 6. a central shaft sleeve; 7. a second sliding bearing; 8. a cover plate; 9. a second belt pulley; 10. a first dustproof cover; 11. a first check ring; 12. a bolt; 13. a step II; 14. a second hook groove; 15. a third hook groove; 16. a first belt pulley; 17. a step I; 18. a fixing plate; 19. a second check ring; 20. a double-row deep groove ball bearing; 21. a support plate II; 22. a second antifriction plate; 23. and a second dustproof cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1:
example 1:
the invention provides a high-reliability tension pulley with an asymmetric damping structure, which comprises a support sleeve 1, a support plate I2, a support plate II 21, a central shaft sleeve 6, a double-row deep groove ball bearing 20, a spring, a cover plate 8, a belt pulley I16 and a belt pulley II 9, wherein the support plate I2 is fixedly connected with the support plate II; the support plate I2 is provided with a first hook groove 5 for connecting a spring, the support plate II 21 is provided with a second hook groove 14 and a third hook groove 15 for connecting the spring, the support plate I2 is pressed on the support sleeve 1 through the spring compressed in the first hook groove 5, the cover plate 8 is pressed on the support plate through the spring compressed in the second hook groove 14, the support plate II 21 is pressed on the support sleeve 1 through the spring compressed in the third hook groove 15, two ends of the spring are respectively provided with a hook, one end of the spring is connected with the support plate I2 or the support plate II 21, and the other end of the spring is connected with the support sleeve 1; knurling is arranged at two ends of the central shaft sleeve 6, and the support plate I2, the support plate II 21, the support sleeve 1, the cover plate 8 and the central shaft sleeve 6 are fixedly connected through knurling; the support plate II 21 is provided with a first step 17 and a second step 13 for positioning a bearing, the first step 17 and the second step 13 are fixedly provided with a double-row deep groove ball bearing 20, and a first belt pulley 16 and a second belt pulley 9 are respectively and fixedly arranged between the first step 17, the second step 13 and the double-row deep groove ball bearing 20.
As an alternative embodiment, a sliding bearing one 3 and a wear reducing plate one 4 are arranged between the first support plate 2 and the central bushing 6 and the support sleeve 1, and a sliding bearing two 7 and a wear reducing plate two 22 are arranged between the second support plate 21 and the central bushing 6 and the support sleeve 1.
As an alternative embodiment, a first dust cover 10 and a second dust cover 23 are respectively arranged on the first belt pulley 16 and the second belt pulley 9.
As an optional embodiment, a first retaining ring 11 and a second retaining ring 19 for limiting the first belt pulley 16 and the second belt pulley 9 are respectively arranged on the first step 17 and the second step 13, a fixing plate 18 is connected between the first retaining ring 11 and the second retaining ring 19, and two ends of the fixing plate 18 are respectively connected with the first retaining ring 11 and the second retaining ring 19 through bolts 12.
In the present embodiment, the support sleeve 1 is fixed to the engine.
In the present embodiment, the bolts 12 are hexagonal flange bolts M10 × 30.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention.
Claims (6)
1. The utility model provides an asymmetric damping structure take-up pulley of high reliability which characterized in that: the device comprises a support sleeve, a first support plate, a second support plate, a central shaft sleeve, a double-row deep groove ball bearing, a spring, a cover plate, a first belt pulley and a second belt pulley; the support plate I is provided with a first hook groove for connecting a spring, the support plate II is provided with a second hook groove and a third hook groove for connecting the spring, the support plate I is pressed on the support sleeve through the spring compressed in the first hook groove, the cover plate is pressed on the support plate through the spring compressed in the second hook groove, the support plate is pressed on the support sleeve through the spring compressed in the third hook groove, two ends of the spring are respectively provided with a hook, one end of the spring is connected with the support plate I or the support plate II, and the other end of the spring is connected with the support sleeve; knurling is arranged at two ends of the central shaft sleeve, and the support plate I, the support plate II, the support sleeve, the cover plate and the central shaft sleeve are fixedly connected through the knurling; the support plate II is provided with a step I and a step II which are used for positioning a bearing, the step I and the step II are fixedly provided with a double-row deep groove ball bearing, and a belt pulley I and a belt pulley II are respectively and fixedly arranged between the step I and the step II and between the double-row deep groove ball bearing.
2. The high reliability asymmetric damping structure tensioner according to claim 1, characterized in that: a first sliding bearing and a first wear-reducing plate are arranged between the first support plate and the central shaft sleeve as well as between the first support plate and the support sleeve, and a second sliding bearing and a second wear-reducing plate are arranged between the second support plate and the central shaft sleeve as well as between the second support plate and the support sleeve.
3. The high reliability asymmetric damping structure tensioner according to claim 1, characterized in that: and the first belt pulley and the second belt pulley are respectively provided with a first dust cover and a second dust cover.
4. The high reliability asymmetric damping structure tensioner according to claim 1, characterized in that: the first step and the second step are respectively provided with a first check ring and a second check ring which are used for limiting the first belt pulley and the second belt pulley, a fixing plate is connected between the first check ring and the second check ring, and two ends of the fixing plate are respectively connected with the first check ring and the second check ring through bolts.
5. The high reliability asymmetric damping structure tensioner according to claim 1, characterized in that: the support sleeve is fixed on the engine.
6. The high reliability asymmetric damping structure tensioner according to claim 4, characterized in that: the bolts are hexagonal flange face bolts M10 x 30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247645.7A CN112145641B (en) | 2020-11-10 | 2020-11-10 | High-reliability asymmetric damping structure tensioning wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011247645.7A CN112145641B (en) | 2020-11-10 | 2020-11-10 | High-reliability asymmetric damping structure tensioning wheel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112145641A true CN112145641A (en) | 2020-12-29 |
| CN112145641B CN112145641B (en) | 2024-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011247645.7A Active CN112145641B (en) | 2020-11-10 | 2020-11-10 | High-reliability asymmetric damping structure tensioning wheel |
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| CN (1) | CN112145641B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201795006U (en) * | 2010-09-11 | 2011-04-13 | 成都嘉陵华西光学精密机械有限公司 | Tension pulley for fan belt |
| WO2011138100A1 (en) * | 2010-05-03 | 2011-11-10 | Schaeffler Technologies Gmbh & Co. Kg | Belt tensioner |
| CN204493617U (en) * | 2015-01-30 | 2015-07-22 | 温州博立汽车科技有限公司 | Compact type tension pulley |
| CN205278262U (en) * | 2015-12-31 | 2016-06-01 | 温州博立汽车科技有限公司 | Novel belt tensioner |
| CN206017601U (en) * | 2016-08-29 | 2017-03-15 | 浙江瑞德利汽车部件有限公司 | A kind of automatic tensioner |
| CN210034314U (en) * | 2019-10-11 | 2020-02-07 | 成都嘉陵华西光学精密机械有限公司 | High-reliability asymmetric damping structure |
| KR20200069557A (en) * | 2018-12-07 | 2020-06-17 | 현대자동차주식회사 | Internal structure of tension pulley to improve durability |
| CN213685149U (en) * | 2020-11-10 | 2021-07-13 | 成都嘉陵华西光学精密机械有限公司 | Asymmetric damping structure take-up pulley of high reliability |
-
2020
- 2020-11-10 CN CN202011247645.7A patent/CN112145641B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011138100A1 (en) * | 2010-05-03 | 2011-11-10 | Schaeffler Technologies Gmbh & Co. Kg | Belt tensioner |
| CN201795006U (en) * | 2010-09-11 | 2011-04-13 | 成都嘉陵华西光学精密机械有限公司 | Tension pulley for fan belt |
| CN204493617U (en) * | 2015-01-30 | 2015-07-22 | 温州博立汽车科技有限公司 | Compact type tension pulley |
| CN205278262U (en) * | 2015-12-31 | 2016-06-01 | 温州博立汽车科技有限公司 | Novel belt tensioner |
| CN206017601U (en) * | 2016-08-29 | 2017-03-15 | 浙江瑞德利汽车部件有限公司 | A kind of automatic tensioner |
| KR20200069557A (en) * | 2018-12-07 | 2020-06-17 | 현대자동차주식회사 | Internal structure of tension pulley to improve durability |
| CN210034314U (en) * | 2019-10-11 | 2020-02-07 | 成都嘉陵华西光学精密机械有限公司 | High-reliability asymmetric damping structure |
| CN213685149U (en) * | 2020-11-10 | 2021-07-13 | 成都嘉陵华西光学精密机械有限公司 | Asymmetric damping structure take-up pulley of high reliability |
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| Publication number | Publication date |
|---|---|
| CN112145641B (en) | 2024-07-23 |
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