CN215065248U - Automobile torsion bar spring fatigue life detection mechanism - Google Patents
Automobile torsion bar spring fatigue life detection mechanism Download PDFInfo
- Publication number
- CN215065248U CN215065248U CN202121497178.3U CN202121497178U CN215065248U CN 215065248 U CN215065248 U CN 215065248U CN 202121497178 U CN202121497178 U CN 202121497178U CN 215065248 U CN215065248 U CN 215065248U
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- Prior art keywords
- torsion bar
- connecting rod
- cam
- fatigue life
- bar spring
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- Expired - Fee Related
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- 230000007246 mechanism Effects 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract description 2
- 230000007306 turnover Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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Abstract
The utility model discloses an automobile torsion bar spring fatigue life detection mechanism, including motor, drive mechanism, cam, connecting rod, the motor passes through drive mechanism and drives the cam rotation, the cam passes through the connecting rod and is connected with torsion bar one end, and the torsion bar other end is fixed. The utility model discloses a cam-type structure rotates through the cam and drives the torsion bar for rotating in the certain limit to realize car torsion bar spring fatigue life and detect. The utility model discloses have simple structure compactness, with low costs, efficient, the advantage of easy maintenance for fluid pressure type structure and numerical control fatigue detection mechanism.
Description
Technical Field
The utility model relates to a detect technical field, concretely relates to car torsion bar spring fatigue life detection mechanism.
Background
At present, most of domestic small and medium-sized load-carrying vehicles realize the turnover of a cab by means of a torsion bar spring so as to be convenient for maintenance, the torsion bar spring is a key part in the turnover mechanism, and people are generally required to turn over the cab by using as little force as possible and restore the cab under the action of the minimum force. In order to check whether the torsion bar spring in production meets the standard, sampling detection is an essential item. The existing fatigue life detection of an automobile torsion bar spring adopts a hydraulic structure and numerical control fatigue detection equipment, and a hydraulic element is easy to damage; the numerical control fatigue detection equipment has high cost and requires maintenance personnel to have higher level.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to the problem in the background art, developed a car torsion bar spring fatigue life detection mechanism, simple structure, with low costs, efficient, easily maintenance.
In order to achieve the above object, the technical solution of the present invention is as follows:
the motor drives the cam to rotate through the transmission mechanism, the cam is connected with one end of the torsion bar through the connecting rod, and the other end of the torsion bar is fixed.
Preferably, drive mechanism includes belt lace wheel, pinion and gear wheel, the axle and the belt lace wheel fixed connection of motor, the belt lace wheel passes through the belt and is connected with belt lace wheel, belt lace wheel passes through transmission shaft one and is connected with the pinion, pinion and gear wheel meshing, the gear wheel passes through transmission shaft two and is connected with the cam.
Preferably, the connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is connected with the cam, the first connecting rod is hinged with the second connecting rod, and the second connecting rod is connected with the torsion bar.
Preferably, one end of the torsion bar is connected with the connecting rod through a spline housing, and the other end of the torsion bar is fixed through the spline housing.
Compared with the prior art, the utility model discloses beneficial effect as follows:
the utility model discloses a cam-type structure rotates through the cam and drives the torsion bar for rotating in the certain limit to realize car torsion bar spring fatigue life and detect. The utility model discloses have simple structure compactness, with low costs, efficient, the advantage of easy maintenance for fluid pressure type structure and numerical control fatigue detection mechanism.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples, which, although clearly and completely described, are intended to illustrate only some, but not all, embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1, the utility model discloses a car torsion bar spring fatigue life detection mechanism, including motor 1, belt lace wheel 2, belt 3, belt lace wheel 4, transmission shaft 5, pinion 6, gear wheel 7, transmission shaft two 8, cam 9, connecting rod one 10, connecting rod two 11.
The specific working process is as follows:
designing a total transmission ratio according to the working efficiency, wherein the torsion bar is required to be twisted for 2 times per second in the test, the total transmission ratio (1445/120 is 12) is calculated according to a primarily selected motor (1445r/min), and the transmission ratios of belt transmission and gear transmission are calculated in a grading manner; then, the size of the cam is designed according to the rotation angle, and the maximum profile size and the minimum profile size of the cam are designed.
One end of the torsion bar 12 is fixed, and the other end is connected with the connecting rod 11. The shaft of the motor 1 drives the small belt pulley 2 to move, the small belt pulley 2 drives the large belt pulley 4 to rotate through the belt 3, the large belt pulley 4 drives the small gear 6 to rotate through the first transmission shaft 5, the small gear 6 drives the large gear 7 to transmit through meshing, the large gear 7 drives the cam 9 to rotate through the second transmission shaft 8, the cam 9 drives the second connecting rod 11 to rotate through the first connecting rod 10, the second connecting rod 11 is connected with a spline on the torsion bar 12 through a spline housing, and the second connecting rod 11 drives the torsion bar 12 to twist within 45 degrees.
The torsion bar deformation angle, when less than 3 °, indicates that the fatigue life of the torsion bar is reasonable.
Claims (4)
1. The utility model provides an automobile torsion bar spring fatigue life detection mechanism which characterized in that: the torsion bar mechanism comprises a motor, a transmission mechanism, a cam and a connecting rod, wherein the motor drives the cam to rotate through the transmission mechanism, the cam is connected with one end of a torsion bar through the connecting rod, and the other end of the torsion bar is fixed.
2. The torsion bar spring fatigue life detecting mechanism for an automobile according to claim 1, wherein: drive mechanism includes belt lace wheel, pinion and gear wheel, the axle and the belt lace wheel fixed connection of motor, the belt lace wheel passes through belt and belt lace wheel connection, belt lace wheel passes through transmission shaft one and is connected with the pinion, pinion and gear wheel meshing, the gear wheel passes through transmission shaft two and is connected with the cam.
3. The torsion bar spring fatigue life detecting mechanism for an automobile according to claim 1, wherein: the connecting rod comprises a first connecting rod and a second connecting rod, the first connecting rod is connected with the cam, the first connecting rod is hinged with the second connecting rod, and the second connecting rod is connected with the torsion bar.
4. The torsion bar spring fatigue life detecting mechanism for an automobile according to claim 1, wherein: one end of the torsion bar is connected with the connecting rod through the spline housing, and the other end of the torsion bar is fixed through the spline housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497178.3U CN215065248U (en) | 2021-07-02 | 2021-07-02 | Automobile torsion bar spring fatigue life detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121497178.3U CN215065248U (en) | 2021-07-02 | 2021-07-02 | Automobile torsion bar spring fatigue life detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215065248U true CN215065248U (en) | 2021-12-07 |
Family
ID=79227257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121497178.3U Expired - Fee Related CN215065248U (en) | 2021-07-02 | 2021-07-02 | Automobile torsion bar spring fatigue life detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215065248U (en) |
-
2021
- 2021-07-02 CN CN202121497178.3U patent/CN215065248U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230301 Address after: 223800 Guangzhou road, Longhe Industrial Park, Sucheng District, Suqian City, Jiangsu Province Patentee after: Jiangsu Junheng Machinery Technology Co.,Ltd. Address before: 223800 South Huanghe Road, Suqian City, Jiangsu Province, 399 Patentee before: SUQIAN College |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |