CN202188952U - Vibration damper spinning reducing damage-free detection apparatus - Google Patents
Vibration damper spinning reducing damage-free detection apparatus Download PDFInfo
- Publication number
- CN202188952U CN202188952U CN 201120254941 CN201120254941U CN202188952U CN 202188952 U CN202188952 U CN 202188952U CN 201120254941 CN201120254941 CN 201120254941 CN 201120254941 U CN201120254941 U CN 201120254941U CN 202188952 U CN202188952 U CN 202188952U
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- vibration damper
- power line
- resistance
- strain gage
- current
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Abstract
The utility model discloses a vibration damper spinning reducing damage-free detection apparatus, comprising a resistance strain gage, a power line A, a power line B, two resistors and a current indicator. Two ends of the resistance strain gage are meanwhile in connection with the power line A and the power line B. The power line A is in connection with the two resistors, i.e. a first resistor and a second resistor, between which a DC power supply is connected; the power line B is provided with the current indicator. According to the utility model, a pressure scope does not need to be determined only for the production of a fist batch of products; a change scope of current or voltage for detection is determined by detecting whether rotating torque of a cylinder meets requirements; when the change scope of current or voltage is determined, in later batch production, a damage mode does not need to be employed, but whether spinning reducing meets requirement or not can be determined according to the current or voltage values displayed by a whole apparatus and the resistance strain gage pasted to the external part of an oil cylinder, which can save costs, reduce loss and speed up production.
Description
Technical field
The utility model relates to a kind of pick-up unit, is specifically related to a kind of pick-up unit that is used for vibration damper.
Background technology
Detect behind the vibration damper spinning closing-in at present and whether tighten up; Whether after the method that adopts is the vibration damper spinning closing-in, detects the rotating torque of cylinder barrel and meet the demands to confirm through oil tube, cylinder barrel being destroyed the back, a collection of product of every production all need destroy 2-5 and prop up vibration damper whether detect closing in this way suitable; This kind method cost allowance is bigger; And detect trouble, the time cycle is long, influences manufacturing schedule.For practicing thrift cost, reduce the loss, whether enhance production progress should adopt pick-up unit more easy, that preferably do not destroy vibration damper to detect the vibration damper spinning closing-in and tighten up.
Summary of the invention
The goal of the invention of the utility model does not have the pick-up unit of destruction after providing a kind of vibration damper spinning closing-in, to solve at present the existing above problem of the detection mode of vibration damper spinning closing-in.
For reaching the foregoing invention purpose, technical scheme that the utility model adopts is: do not have the pick-up unit of destruction behind a kind of vibration damper spinning closing-in, comprise; Resistance strain gage, power lead A, power lead B, first resistance, second resistance and electric current indicator is characterized in that: the two ends of resistance strain gage symmetry are simultaneously connecting a power lead A and a power lead B; Connect first resistance and second resistance on two power lead A respectively, between first resistance and second resistance, connected direct supply; Be in series with the electric current indicator between two power lead B.
In sum; When only needing correct batch to produce product, the utility model confirms pressure limit; Whether meet the demands to confirm to detect the curtage variation range through the rotating torque that detects cylinder barrel, confirm the variation range of curtage after, in batch production afterwards; Can not adopt the form of destruction; Detect spinning closing-in and whether meet the demands through sticking on voltage that the outside resistance strain gage of oil tube and package unit show or current value, the saving cost, reduce the loss enhance production progress.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the user mode synoptic diagram of the utility model.
Wherein: 1, resistance strain gage, 2, power lead A, 3, power lead B, 4, first resistance 5, second resistance, 6, direct supply, 7, the electric current indicator, 8, vibration damper, 9, straight-bar.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the utility model is done and to be described in detail:
As shown in Figure 1, there is not the pick-up unit of destruction behind a kind of vibration damper spinning closing-in, comprise; Resistance strain gage 1, power lead A2, power lead B3, first resistance 4, second resistance 5 and electric current indicator 7, the two ends of resistance strain gage 1 symmetry are simultaneously connecting a power lead A2 and a power lead B3; Connect first resistance 4 and second resistance 5 on two power lead A2 respectively, between first resistance 4 and second resistance 5, connected direct supply 6; Be in series with electric current indicator 7 between two power lead B 3.
The principle of the utility model is: adopt the resistance strain gage pick-up unit to detect; The resistance of foil gauge is converted into voltage or current signal, signal amplified again; Indicate strain value by indicator then, confirm through the strain value scope whether spinning closing-in meets the demands.
As shown in Figure 2, be example with vibration damper before the SA-138Qq, closing in pressure limit 1600～1800N, the rotating torque >=50N.M of cylinder barrel, concrete detection method step is following:
(1) vibration damper 8 is assembled to the spinning closing-in operation, vibration damper 8 is contained on the spinning closing-in equipment, the resistance strain gage on this device 1 is sticked on vibration damper 8 oil tube surfaces, this moment, electric current indicator 7 demonstration current values were 0 ampere.
When (2) the closing in pressure of equipment being transferred to the lower limit of closing in pressure limit, vibration damper 8 is carried out spinning closing-in, the current value that shows during the distortion of oil tube when detecting under this pressure spinning closing-in through this device is 6 amperes.On the oil tube of vibration damper and cylinder barrel, mill a square opening then, vibration damper is fixed on the bench vice, a straight-bar 9 is penetrated in the square opening of oil tube and cylinder barrel, the rotation straight-bar, the rotating torque 60N.M of cylinder barrel is satisfied with provisioning request.
(3) change a vibration damper that closes up and be contained on the spinning closing-in equipment, the resistance strain gage on this device 1 is sticked on vibration damper 8 oil tube surfaces, electric current indicator 7 shows that current value is 0 ampere at this moment; When the closing in pressure of equipment is transferred to given closing in upper pressure limit value, vibration damper 8 is carried out spinning closing-in, the current value that the electric current indicator shows during the distortion of shock absorber oil tube when detecting under this closing in pressure spinning closing-in through this pick-up unit is 3 amperes.On the oil tube of vibration damper and cylinder barrel, mill a square opening then, vibration damper is fixed on the bench vice, a straight-bar is penetrated in the square opening of oil tube and cylinder barrel, rotation straight-bar 9, the rotating torque of cylinder barrel is 75N.M, and is satisfied with provisioning request.
(4) rotating torque through cylinder barrel behind above-mentioned detected rotating torque and given this model vibration damper spinning closing-in requires to compare, and all satisfy to provisioning request, and current value range is at 3～6 amperes.
(5) unreefed vibration damper is packed on the spinning closing-in machine once more; Closing in pressure is transferred to 1700N, and this device is linked to each other with the shock absorber oil tube, carry out spinning closing-in then; The current value that harvests 7 demonstrations of mouthful after-current indicator is 4 amperes, the requirement between satisfied 3～6 amperes.
The utility model is not limited to above-mentioned instance, in claims institute restricted portion of the utility model, and various distortion that those skilled in the art can make without creative work or revise the protection that all receives this patent.
Claims (1)
1. do not have the pick-up unit of destruction behind a vibration damper spinning closing-in, comprise; Resistance strain gage (1), power lead A (2), power lead B (3), first resistance (4), second resistance (5) and electric current indicator (7) is characterized in that: the two ends of resistance strain gage (1) symmetry are simultaneously connecting a power lead A (2) and a power lead B (3); Connect first resistance (4) and second resistance (5) on two power lead A (2) respectively, between first resistance (4) and second resistance (5), connected direct supply (6); Be in series with electric current indicator (7) between two power lead B (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120254941 CN202188952U (en) | 2011-07-19 | 2011-07-19 | Vibration damper spinning reducing damage-free detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120254941 CN202188952U (en) | 2011-07-19 | 2011-07-19 | Vibration damper spinning reducing damage-free detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202188952U true CN202188952U (en) | 2012-04-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120254941 Expired - Fee Related CN202188952U (en) | 2011-07-19 | 2011-07-19 | Vibration damper spinning reducing damage-free detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202188952U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359866A (en) * | 2011-07-19 | 2012-02-22 | 成都九鼎科技(集团)有限公司 | Nondestructive detection device after neck spinning of shock damper |
-
2011
- 2011-07-19 CN CN 201120254941 patent/CN202188952U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359866A (en) * | 2011-07-19 | 2012-02-22 | 成都九鼎科技(集团)有限公司 | Nondestructive detection device after neck spinning of shock damper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SICHUAN AEROSPACE INDUSTRY GROUP CO., LTD. Free format text: FORMER OWNER: JIUDING SCIENCE AND TECHNOLOGY (GROUP) CO., LTD., CHENGDU Effective date: 20131115 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131115 Address after: 610100 118 North Road, Chengdu economic and Technological Development Zone (Longquanyi District, Sichuan) Patentee after: SICHUAN AEROSPACE INDUSTRY GROUP CO., LTD. Address before: 818 box 8, box 229, 610100, Sichuan, Chengdu Patentee before: Chengdu Jiuding Science & Technology (Group) Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120411 Termination date: 20170719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |