CN204064790U - Shear test automatic reset device - Google Patents
Shear test automatic reset device Download PDFInfo
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- CN204064790U CN204064790U CN201420498628.4U CN201420498628U CN204064790U CN 204064790 U CN204064790 U CN 204064790U CN 201420498628 U CN201420498628 U CN 201420498628U CN 204064790 U CN204064790 U CN 204064790U
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- shear test
- rubber spring
- reset device
- automatic reset
- cutter
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Abstract
The utility model discloses a kind of shear test automatic reset device being mainly used in Al and Alalloy rivet line shear test auto-reset function, comprise the coupling shaft 1 connected successively from top to bottom, rubber spring 2, top connection 3, shearing attaches 4, lower sub 5 and flange seat 10, shear and attach 4 and comprise the side plate 42 that cutter 41 and two pieces are positioned at cutter 41 both sides, described cutter 41 is linked together with top connection 3 by upper latch 7, side plate 42 by lower latch 8 with under connect 5 and link together, lower sub 5 is linked together by pin 9 and flange seat 10, flange seat 10 is fixed by screws on the worktable of testing machine.The problem having needed people's crawl service test machine slowly to reset after at every turn having tested before the utility model solves, avoids rigid contact, eliminates the hidden danger of top bad sensor.
Description
Technical field
The utility model relates to a kind of shear test automatic reset device, specifically a kind of for standard GB/T3250-2007 " Al and Alalloy rivet line and rivet shear test method and rivet line riveting test method " the middle shear test automatic reset device specified.
Background technology
GB/T3250-2007 defines Al and Alalloy rivet line and rivet shear (double shear) test method and rivet line riveting test method, in present shear test, after shear test completes, owing to there is no snubber assembly, rigid contact sensor is understood when shearing attaches reset, this rigid contact power is comparatively large, there is the situation of top bad sensor.
Summary of the invention
The technical problems to be solved in the utility model is: provide the device that a kind of structure is simple, avoid rigid contact top bad sensor when making shearing attach reset after shear test completes.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the coupling shaft, rubber spring, top connection, the shearing that are connected in turn from top to bottom and attach and lower sub, the inside of described rubber spring is fixed with two adjustment and shears the guide pole attaching right alignment, and described shearing attaches and comprises the side plate that a cutter and two are positioned at cutter both sides.
Preferably, described rubber spring is the block rubber of hollow cylinder, is provided with dowel screw coupling shaft and top connection linked together in the hollow centre of rubber spring.
Preferably, two described guide poles pass sidewall and the top connection clearance fit of rubber spring, and tolerance on fit is H7/g6.
Preferably, two described guide poles are symmetrical about the central axis of rubber spring.
Preferably, be fixed with a flange seat in lower sub below by pin, described flange seat is fixed by screws on the worktable of testing machine.
The beneficial effects of the utility model: effectively complete the pilot project required in testing about rivet line and rivet shear in GB/T3250-2007, the problem having needed people's crawl service test machine slowly to reset after at every turn having tested before solving, avoid rigid contact, eliminate the hidden danger of top bad sensor.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model;
Fig. 2 is left view of the present utility model;
In figure: 1, coupling shaft, 2, rubber spring, 3, top connection, 4, shear and attach, 41, cutter, 42, side plate, 5, lower sub, 6, guide pole, 7, upper latch, 8, lower latch, 9, pin, 10, flange seat.
Embodiment
Below in conjunction with accompanying drawing the utility model be described further and limit.
As illustrated in fig. 1 and 2, a kind of shear test automatic reset device, auto-reset function when being mainly used in Al and Alalloy rivet line shear test, application apparatus is microcomputer controlled electro minor universal testing machine.This shear test automatic reset device comprise connect successively from top to bottom coupling shaft 1, rubber spring 2, top connection 3, shear attach 4, lower sub 5 and flange seat 10, shear and attach 4 and comprise the side plate 42 that cutter 41 and two pieces are positioned at cutter 41 both sides, described cutter 41 is linked together with top connection 3 by upper latch 7, side plate 42 is linked together with lower sub 5 by lower latch 8, lower sub 5 is linked together by pin 9 and flange seat 10, and flange seat 10 is fixed by screws on the worktable of testing machine.
The inside of described rubber spring 2 is provided with two guide poles 6 being used for adjusting cutter 41 and side plate 42 right alignment about its central axis symmetry, and guide pole 6 passes sidewall and top connection 3 clearance fit of rubber spring 2, and tolerance on fit is H7/g6.Testing machine by shearing attach 4 pairs of samples exert a force time, the right alignment of cutter 41 and side plate 42 is no more than 10%.
In the present embodiment, described rubber spring 2 is block rubbers of hollow cylinder, rubber spring have more durable than wire spring, be out of shape advantage that is little, good looking appearance, be provided with dowel screw coupling shaft 1 and top connection 3 linked together in the hollow centre of rubber spring 2.
In order to increase the rigidity of this shear test automatic reset device, the described part except rubber spring all have passed through modifier treatment.
It should be noted last that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (5)
1. a shear test automatic reset device, it is characterized in that: comprise be connected in turn from top to bottom coupling shaft (1), rubber spring (2), top connection (3), shear attach (4) and lower sub (5), the inside of described rubber spring (2) is fixed with the guide pole (6) that two adjustment shearings attach (4) right alignment, and described shearing attaches and comprises the side plate (42) that a cutter (41) and two are positioned at cutter both sides.
2. shear test automatic reset device according to claim 1, it is characterized in that: the block rubber that described rubber spring (2) is hollow cylinder, be provided with dowel screw coupling shaft (1) and top connection (3) linked together in the hollow centre of rubber spring (2).
3. shear test automatic reset device according to claim 1 and 2, is characterized in that: two described guide poles (6) are through the sidewall of rubber spring (2) and top connection (3) clearance fit, and tolerance on fit is H7/g6.
4. shear test automatic reset device according to claim 3, is characterized in that: two described guide poles (6) are symmetrical about the central axis of rubber spring (2).
5. shear test automatic reset device according to claim 4, is characterized in that: be fixed with a flange seat (10) in lower sub (5) below by pin (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498628.4U CN204064790U (en) | 2014-09-01 | 2014-09-01 | Shear test automatic reset device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420498628.4U CN204064790U (en) | 2014-09-01 | 2014-09-01 | Shear test automatic reset device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204064790U true CN204064790U (en) | 2014-12-31 |
Family
ID=52206278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420498628.4U Active CN204064790U (en) | 2014-09-01 | 2014-09-01 | Shear test automatic reset device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204064790U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181035A (en) * | 2014-09-01 | 2014-12-03 | 济南时代试金试验机有限公司 | Automatic resetting device for shear tests |
-
2014
- 2014-09-01 CN CN201420498628.4U patent/CN204064790U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181035A (en) * | 2014-09-01 | 2014-12-03 | 济南时代试金试验机有限公司 | Automatic resetting device for shear tests |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |