CN210849897U - Shock absorber clamping jaw - Google Patents
Shock absorber clamping jaw Download PDFInfo
- Publication number
- CN210849897U CN210849897U CN201921005077.2U CN201921005077U CN210849897U CN 210849897 U CN210849897 U CN 210849897U CN 201921005077 U CN201921005077 U CN 201921005077U CN 210849897 U CN210849897 U CN 210849897U
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- CN
- China
- Prior art keywords
- centering
- connecting rod
- shock absorber
- groove
- adjusting bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 34
- 230000035939 shock Effects 0.000 title claims abstract description 34
- 210000001503 joint Anatomy 0.000 claims abstract description 8
- 210000000078 claw Anatomy 0.000 claims description 42
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a damper clamping jaw, which comprises a jaw body and an automatic centering device arranged at the upper end of the jaw body; the automatic centering device is arranged at the upper end of the jaw body, so that the problem that the jaw is contacted with a shock absorber placed obliquely and cannot be automatically aligned after clamping, and subsequent clamping is continuously mistaken is solved; an auxiliary centering groove is formed in the centering butt joint end, a centering spring is arranged in the auxiliary centering groove, and a centering ball is arranged on the centering spring; a centering groove is arranged on the matching centering contact surface, and after the jack catch deflects, the centering ball deflects along with the jack catch body and is separated from the center of the centering groove; after clamping is finished, the centering ball is pushed to move towards the center of the centering groove under the elastic force action of the centering spring, the clamping jaw body is driven to move integrally, and automatic centering is finished. The utility model discloses a mechanical system accomplishes the automatic centering of bumper shock absorber centre gripping jack catch, and stability is good, simple structure, and is with low costs, easy to maintain.
Description
Technical Field
The utility model relates to a bumper shock absorber test inspection field, concretely relates to bumper shock absorber centre gripping jack catch.
Background
The existing damper indicator test mostly adopts a universal instrument and adopts a clamping jaw or a clamping chuck to fix the damper.
Before detection, the clamping and positioning requirements of the shock absorber are high, and the shock absorber connecting rod and the indicator connecting rod clamping part are required to be located on the same axis, so that the shock absorber must be installed vertically. When the shock absorber is installed and deviated, the clamping jaw can drive the clamping jaw to deviate integrally under the action of stress, and the clamping jaw cannot automatically return to the right after clamping, so that the problem of continuous errors in subsequent clamping is caused; the clamping jaws are guaranteed to be vertical by workers for real-time inspection.
Meanwhile, the shock absorber is fixed on the base, and the force transmitted to the shock absorber in the clamping process of the clamping jaw can act on the shock absorber clamping base at the same time, so that the shock absorber clamping base is damaged. In the past, the service life of the instrument is affected.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem who solves: the utility model aims at solving the not enough among the prior art, provide an adaptable bumper shock absorber skew, the bumper shock absorber centre gripping jack catch of automatic aligning.
The technical scheme of the utility model: the utility model relates to a shock absorber clamping jaw, which comprises a jaw body and an automatic centering device arranged at the upper end of the jaw body; the clamping jaw body comprises a connecting rod jaw, a connecting rod jaw driving device and a centering butt joint end connected with the automatic centering device; an auxiliary centering groove is formed in the centering butt joint end, a centering spring is arranged in the auxiliary centering groove, and a centering ball is arranged on the centering spring;
the automatic centering device comprises a centering cavity connected with the centering butt joint end and an automatic centering joint arranged in the centering cavity; and a centering groove is arranged on the centering contact surface of the automatic centering joint.
Furthermore, the automatic centering joint also comprises an upper adjusting bearing matching end surface and a lower adjusting bearing matching end surface; in the centering cavity, an upper adjusting bearing is arranged on the matching end surface of the upper adjusting bearing, and a lower adjusting bearing is arranged below the matching end surface of the lower adjusting bearing.
Furthermore, the centering groove is a conical groove, and a chamfer is arranged at the joint of the centering groove and the centering contact surface.
Further, the upper adjusting bearing and the lower adjusting bearing are thrust ball bearings.
Furthermore, the connecting rod claw is arranged on the claw body through a rotary fixing pin, and the tail end of the connecting rod claw is provided with a roller; the connecting rod claw driving device comprises a piston push rod, and a roller pushing cone is arranged at the front end of the piston push rod.
Furthermore, a connecting rod limiting rod is further arranged on the jaw body.
Furthermore, a connecting rod clamping section of the connecting rod claw is provided with threads which can be matched with the connecting rod of the shock absorber.
Further, the connecting rod claw driving device is an air cylinder.
The utility model has the advantages of compared with the prior art:
1. the automatic centering device is arranged at the upper end of the jaw body, so that the problem that the jaw is contacted with a shock absorber placed obliquely and cannot be automatically aligned after clamping, and subsequent clamping is continuously mistaken is solved; an auxiliary centering groove is formed in the centering butt joint end, a centering spring is arranged in the auxiliary centering groove, and a centering ball is arranged on the centering spring; a centering groove is arranged on the matching centering contact surface, and after the jack catch deflects, the centering ball deflects along with the jack catch body and is separated from the center of the centering groove; after clamping is finished, the centering ball is pushed to move towards the center of the centering groove under the elastic force action of the centering spring, the clamping jaw body is driven to move integrally, and automatic centering is finished. The utility model discloses a mechanical system accomplishes the automatic centering of bumper shock absorber centre gripping jack catch, and stability is good, simple structure, and is with low costs, easy to maintain.
2. The automatic centering joint is provided with an upper adjusting bearing matching end face and a lower adjusting bearing matching end face; in the centering cavity, an upper adjusting bearing is arranged on the matching end surface of the upper adjusting bearing, and a lower adjusting bearing is arranged below the matching end surface of the lower adjusting bearing. The upper and lower adjusting bearing bearings are arranged to ensure the axial fixation of the automatic centering joint and reduce the friction force; the upper and lower adjusting bearings adopt thrust ball bearings, so that the aligning performance is enhanced, certain offset is given to the automatic centering joint, the influence of installation errors is further reduced, and the automatic centering device and the jaw body are prevented from being stressed and damaged.
3. The centering groove is a conical groove, and a chamfer is arranged at the joint of the centering groove and the centering contact surface, so that the friction force of the centering ball in the centering process is reduced; the conical groove is adopted, the self-contained inclination angle of the conical groove is utilized to promote the centering ball to return to the right position, and after the centering ball returns to the right position, the centering ball is limited at the tip of the centering groove under the elastic action of the centering spring, so that the centering effect is good.
4. The connecting rod claw is arranged on the claw body through a rotary fixing pin, and the tail end of the connecting rod claw is provided with a roller; the connecting rod claw driving device comprises a piston push rod, a roller pushing cone is arranged at the front end of the piston push rod, the roller pushing cone is used for pushing the roller to enable the connecting rod claws to be closed or opened, and the plurality of connecting rod claws are controlled to move simultaneously through one driving device, so that the driving effect is good.
5. The connecting rod limiting rod is further arranged on the claw body, so that the claw or a workpiece to be clamped can be prevented from being over-traveled in the clamping process of the connecting rod claw, and the connecting rod clamping section of the connecting rod claw and the connecting rod of the damper to be tested are ensured to be at the same height.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the automatic centering device of the present invention;
FIG. 3 is a schematic view of the automatic centering joint of the present invention;
fig. 4 is the specific structure diagram of the jaw of the present invention.
Detailed Description
In order to deepen the understanding of the present invention, we will make further details of the present invention with reference to the drawings, and this embodiment is only used to explain the present invention, and does not constitute a limitation to the protection scope of the present invention.
As shown in fig. 1 to 3, a damper clamping jaw according to an embodiment of the present invention includes a jaw body 30 and a self-centering device 2 disposed at an upper end of the jaw body 30; the jaw body 30 comprises a connecting rod jaw 31, a connecting rod jaw driving device 37 and a centering butt end 38 connected with the self-centering device 2; an auxiliary centering groove 39 is formed in the centering butt joint end 38, a centering spring 25 is arranged in the auxiliary centering groove 39, and a centering ball 24 is arranged on the centering spring 25; the self-centering device 2 comprises a centering cavity 20 connected with a centering butt end 38 and a self-centering joint 21 arranged in the centering cavity 20; the centering contact surface 2-3 of the self-centering coupling 21 is provided with a centering groove 210. The self-centering joint 21 further comprises an upper adjusting bearing matching end surface 22-1 and a lower adjusting bearing matching end surface 22-2; in the centering cavity 20, an upper adjusting bearing 221 is arranged on the upper adjusting bearing matching end surface 22-1, and a lower adjusting bearing 222 is arranged below the lower adjusting bearing matching end surface 22-2. The centering groove 210 is a tapered groove, and a chamfer is arranged at the joint of the centering groove 210 and the centering contact surface 2-3. The connecting rod claw 31 is arranged on the claw body 30 through a rotary fixing pin 33, and the tail end of the connecting rod claw 31 is provided with a roller 32; the connecting rod claw driving device 37 comprises a piston push rod 36, and the front end of the piston push rod 36 is provided with a roller push cone 35. The link clamping section 310 of the link claw 31 is provided with threads that can match the damper link 11. The jaw body 30 is further provided with a connecting rod limiting rod 34.
The upper adjustment bearing 221 and the lower adjustment bearing 222 may be thrust ball bearings, and the link claw driving device 37 may be an air cylinder.
The utility model discloses a theory of operation: in the clamping process of the clamping jaws, the connecting rod jaw driving device 37 works, the piston push rod 36 slides downwards to drive the roller push cone 35 to extrude the roller 32, the distance between the rollers 32 is increased continuously, and the connecting rod jaw 31 is closed continuously under the action of the rotary fixing pin 33 until the connecting rod clamping section 310 clamps the shock absorber connecting rod 11;
after clamping, the connecting rod claw driving device 37 works, the piston push rod 36 is recovered, the distance between the rollers 32 is recovered, the connecting rod claw 31 is released, and the test driving device 4 drives the power sensor 5 and the clamping jaw 3 to ascend; the lifting device 21 drives the damper body 1 to descend, and the damper body 1 is taken out to reciprocate cyclically.
When the shock absorber connecting rod 11 deflects, the connecting rod claw 31 deflects in the clamping process, and then the claw body 30 is driven to deflect integrally, the auxiliary centering groove 39 is driven to deflect, the centering ball 24 deflects from the center position of the centering groove 210, after the test is completed, the centering ball 24 is extruded to the center position in the centering groove 210 again under the action force of the centering spring 65, and meanwhile, the claw body 30 is driven to automatically return to the right position.
The utility model has the characteristics of being adaptable to the excursion of the shock absorber and automatic correction, because the upper end of the claw body 30 is provided with the automatic centering device 2, the problem that the claw is contacted with the shock absorber which is placed obliquely and cannot be automatically corrected after clamping, which leads to continuous errors of subsequent clamping is solved; an auxiliary centering groove 39 is formed in the centering butt joint end 38, a centering spring 25 is arranged in the auxiliary centering groove 39, and a centering ball 24 is arranged on the centering spring 25; the matching centering contact surface 2-3 is provided with a centering groove 210, and after the jaws deflect, the centering ball 24 deflects along with the jaw body 30 and is separated from the center of the centering groove 219; after clamping is finished, the centering ball 23 is pushed to move towards the center of the centering groove 210 under the elastic force action of the centering spring 25, so that the claw body 30 is driven to move integrally, and automatic centering is finished. The utility model discloses a mechanical system accomplishes the automatic centering of bumper shock absorber centre gripping jack catch, and stability is good, simple structure, and is with low costs, easy to maintain. The automatic centering joint 21 is provided with an upper adjusting bearing matching end surface 22-1 and a lower adjusting bearing matching end surface 22-2; in the centering cavity 20, an upper adjusting bearing 221 is arranged on the upper adjusting bearing matching end surface 22-1, and a lower adjusting bearing 222 is arranged below the lower adjusting bearing matching end surface 22-2. An up-down adjusting bearing is arranged to ensure the axial fixation of the automatic centering joint 21 and reduce the friction force; the upper and lower adjusting bearings 222 are thrust ball bearings, so that the aligning performance is enhanced, and the influence of installation errors is further reduced. The centering groove 210 is a conical groove, and a chamfer is arranged at the joint of the centering groove 210 and the centering contact surface 2-3, so that the friction force of the centering ball 24 in the centering process is reduced; the conical groove is adopted, the self-contained inclination angle of the conical groove is utilized to promote the centering ball 24 to return to the right, and after the centering ball 24 returns to the right, the centering ball is limited at the tip of the centering groove 210 under the elastic force action of the centering spring 25, so that the centering effect is good. The connecting rod claw 31 is arranged on the claw body 30 through a rotary fixing pin 33, and the tail end of the connecting rod claw 31 is provided with a roller 32; the connecting rod claw driving device 37 comprises a piston push rod 36, a roller pushing cone 35 is arranged at the front end of the piston push rod 36, the roller pushing cone 35 is used for pushing the roller 32 to enable the connecting rod claws 31 to be closed or opened, and the plurality of connecting rod claws 31 are controlled to move simultaneously through one driving device, so that the driving effect is good. The jaw body 30 is further provided with a connecting rod limiting rod 34, so that in the clamping process of the connecting rod jaw 31, the jaw or a workpiece to be clamped can be prevented from overtravel, and the connecting rod clamping section 310 of the connecting rod jaw 31 and the connecting rod of the damper to be tested are ensured to be at the same height.
The foregoing detailed description of the embodiments is provided for the purpose of illustrating the technical concept and structural features of the present invention, and is not intended to limit the scope of the present invention, which is defined by the claims and the accompanying drawings.
Claims (8)
1. The utility model provides a bumper shock absorber centre gripping jack catch which characterized in that: comprises a jaw body (30) and an automatic centering device (2) arranged at the upper end of the jaw body (30); the jaw body (30) comprises a connecting rod jaw (31), a connecting rod jaw driving device (37) and a centering butt end (38) connected with the automatic centering device (2); an auxiliary centering groove (39) is formed in the centering butt joint end (38), a centering spring (25) is arranged in the auxiliary centering groove (39), and a centering ball (24) is arranged on the centering spring (25);
the self-centering device (2) comprises a centering cavity (20) connected with the centering butt end (38) and a self-centering joint (21) arranged in the centering cavity (20); and a centering groove (210) is arranged on a centering contact surface (2-3) of the automatic centering joint (21).
2. A shock absorber clamping jaw according to claim 1, wherein: the automatic centering joint (21) further comprises an upper adjusting bearing matching end surface (22-1) and a lower adjusting bearing matching end surface (22-2); in the centering cavity (20), an upper adjusting bearing (221) is arranged on the upper adjusting bearing matching end surface (22-1), and a lower adjusting bearing (222) is arranged below the lower adjusting bearing matching end surface (22-2).
3. A shock absorber clamping jaw according to claim 1, wherein: the centering groove (210) is a conical groove, and a chamfer is arranged at the joint of the centering groove (210) and the centering contact surface (2-3).
4. A shock absorber clamping jaw according to claim 2, wherein: the upper adjusting bearing (221) and the lower adjusting bearing (222) are thrust ball bearings.
5. A shock absorber clamping jaw according to claim 1, wherein: the connecting rod claw (31) is arranged on the claw body (30) through a rotary fixing pin (33), and the tail end of the connecting rod claw (31) is provided with a roller (32); the connecting rod claw driving device (37) comprises a piston push rod (36), and a roller pushing cone (35) is arranged at the front end of the piston push rod (36).
6. A shock absorber clamping jaw according to claim 1, wherein: the jaw body (30) is also provided with a connecting rod limiting rod (34).
7. A shock absorber clamping jaw according to claim 1, wherein: the connecting rod clamping section (310) of the connecting rod claw (31) is provided with threads which can be matched with the connecting rod (11) of the shock absorber.
8. A shock absorber clamping jaw according to claim 1, wherein: the connecting rod claw driving device (37) is an air cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005077.2U CN210849897U (en) | 2019-06-28 | 2019-06-28 | Shock absorber clamping jaw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921005077.2U CN210849897U (en) | 2019-06-28 | 2019-06-28 | Shock absorber clamping jaw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210849897U true CN210849897U (en) | 2020-06-26 |
Family
ID=71307613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921005077.2U Expired - Fee Related CN210849897U (en) | 2019-06-28 | 2019-06-28 | Shock absorber clamping jaw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210849897U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333604A (en) * | 2021-06-22 | 2021-09-03 | 西安昆仑工业（集团）有限责任公司 | Rifling top punching device |
| CN116714950A (en) * | 2023-07-31 | 2023-09-08 | 常州睿科汽车零部件有限公司 | Automatic conveying and storing system of shock absorber for vehicle |
-
2019
- 2019-06-28 CN CN201921005077.2U patent/CN210849897U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113333604A (en) * | 2021-06-22 | 2021-09-03 | 西安昆仑工业（集团）有限责任公司 | Rifling top punching device |
| CN116714950A (en) * | 2023-07-31 | 2023-09-08 | 常州睿科汽车零部件有限公司 | Automatic conveying and storing system of shock absorber for vehicle |
| CN116714950B (en) * | 2023-07-31 | 2023-09-29 | 常州睿科汽车零部件有限公司 | Automatic conveying and storing system of shock absorber for vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |