CN203758832U - Shear test clamp - Google Patents
Shear test clamp Download PDFInfo
- Publication number
- CN203758832U CN203758832U CN201420098946.1U CN201420098946U CN203758832U CN 203758832 U CN203758832 U CN 203758832U CN 201420098946 U CN201420098946 U CN 201420098946U CN 203758832 U CN203758832 U CN 203758832U
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- Prior art keywords
- test
- clamp
- web
- base
- shear
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- Expired - Fee Related
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a shear test clamp. A relative position and a circular bead fixing mode are adjusted through a pad; a T-shaped test piece is arranged in a clamping groove of a shear clamp; the relative position is fixed through a circular bead, so that the T-shaped test piece cannot be released and slide in a shear test, and the accuracy of a test result is guaranteed; a plurality of screw holes in a base are matched with pressing strips, so that all the T-shaped test pieces with different base plate widths can be fastened; the shear clamp can be suitable for the T-shaped test pieces with different base plate thicknesses by adjusting the number of base clamping plates; adjustment is executed through a web clamping plates, so that the shear clamp is allowed to be suitable for the T-shaped test pieces with different web thicknesses; a force loading center line of a universal test machine is adjusted to pass through the center plane of a web of the T-shaped test piece, so that no extra additional bending moment is generated, and the reliability and the accurate of the test result are guaranteed. The shear test clamp is simple in structure, convenient to assemble and disassemble and precise and reliable in test, and is suitable for the test pieces of different specifications, and the service life of the clamp is prolonged.
Description
Technical field
The utility model relates to a kind of test fixture, specifically, relates to a kind of shearing test clamp.Be applicable to carry out on universal testing machine T-shape joint shear test.
Background technology
In aerospace industry manufacturing technology, the application of T-shape adapter piece is more and more extensive; But the testing experiment of T-shape adapter piece performance fixture used is little, and use fixture in the time of testing experiment to testpieces and fixture plus Moments, cause test findings can not react truly the performance of institute's test block, thereby affect testing efficiency and measuring accuracy, and reduced the serviceable life of fixture.
Utility model content
The deficiency existing for fear of prior art, overcome when test fixture to testpieces plus Moments, be suitable for single problem, the utility model proposes a kind of shearing test clamp, test fixture adopts pad to regulate relative position and the fixing mode designing of shoulder, simple in structure, easy accessibility; Test fixture is applicable to different size testpieces, long service life.
The utility model solves the technical scheme that its technical matters adopts: comprise base, press strip, base splint, top board, web clamping plate, top connection, base and top connection are fixedly mounted on respectively on universal testing machine, on base plate, there is rectangular recess, the symmetrical screw of uniform many groups on the base plate of groove both sides, be used for coordinating with the through hole at press strip two ends, compress the test specimen base plate of different in width and different-thickness by bolt and press strip; Top connection is evenly equipped with multiple through holes, and a side is processed with the groove of clamping test specimen web, and top board and web clamping plate are positioned at top connection groove one side, and test specimen web is placed in top connection groove, and bolted is passed through in top board and top connection.
Test specimen web central plane loads center line perpendicular with the power of universal testing machine and overlaps.
Beneficial effect
A kind of shearing test clamp the utility model proposes, adopt pad to regulate relative position and the fixing design of shoulder, T-shaped test specimen is placed in shearing clamp clamping groove, by the fixing relative position of shoulder, guarantee that T-shaped test specimen can not become flexible in shear test, slippage, ensure the accuracy of its test findings; On base, adopt many group screws and press strip two ends through hole to coordinate, being suitable for the different T-shaped test specimen of baseplate width all can be fastening, regulates the base splint of varying number to make shearing clamp be applicable to the different T-shaped test specimen of base plate thickness.Regulate by web clamping plate: the one, allow shearing clamp to be applicable to the T-shaped test specimen of different-thickness web; The 2nd, the power of adjusting universal testing machine loads center line by T-shaped test specimen web central plane, guarantees not produce extra additional bending moment, warranty test result reliable and accurately.Shearing test clamp is simple in structure, be easy to processing, easy accessibility; Test accuracy is reliable, is applicable to the test specimen of different size, and use cost is low; And the serviceable life of having improved fixture, physical strength is high.
Brief description of the drawings
Below in conjunction with drawings and embodiments, a kind of shearing test clamp of the utility model is described in further detail.
Fig. 1 is the utility model shearing test clamp structural representation.
Fig. 2 is the base schematic diagram of the utility model shearing test clamp.
In figure:
1. base 2. press strip 3. base splint 4.T type test specimen 5. top board 6. web clamping plate 7. top connections
Embodiment
The present embodiment is a kind of shearing test clamp.
Consult Fig. 1-Fig. 2, the present embodiment shearing test clamp is made up of base 1, press strip 2, base splint 3, top board 5, web clamping plate 6, top connection 7 and T-shaped test specimen 4; Fixture adopts pad to regulate relative position and the fixing design of shoulder, T-shaped test specimen 4 is placed in shearing test clamp clamping groove, by the fixing relative position of shoulder, guarantee that T-shaped test specimen 4 can not become flexible in shear test, slippage, ensure the accuracy of its test findings.
Base 1 and the top connection 7 of the present embodiment fixture are fixedly mounted on respectively on universal testing machine.On the base plate of base 1, be processed with rectangular recess, T-shaped test specimen 4 base plates are placed in the groove of base 1, are fixed it and be subject in shear history the slippage of force direction by shoulder.On the base plate of the groove both sides of base 1, the symmetrical screw of uniform many groups, is used for coordinating with the through hole at press strip 2 two ends, compresses the test specimen base plate in base 1 groove by bolt and press strip 2.For the different T-shaped test specimen 4 of base plate thickness, can in base 1 groove, adjust base splint 3 quantity and ensure that its thickness is constant.For the different T-shaped test specimen 4 of baseplate width, can select one group of screw of suitable span on base 1 to coordinate with the through hole at press strip 2 two ends, by bolted, prevent from after destruction, flying out in T-shaped test specimen 4 shear histories.Top connection 7 is evenly equipped with multiple through holes, and top connection 7 one sides are processed with the groove of clamping test specimen web, and T-shaped test specimen 4 webs are placed in the groove of top connection 7, is fixed it and be subject in shear history the slippage of force direction by shoulder.Top board 5 and web clamping plate 6 are fixed on top connection 7 groove one sides, test specimen web is placed in top connection 7 grooves, for the different T-shaped test specimen 4 of web thickness, by adjusting the quantity of web clamping plate 6 on test specimen web both sides, make top board 5 and top connection 7 pass through bolted.By adjusting 6 distribution on T-shaped test specimen 4 web both sides of web clamping plate, adjust T-shaped test specimen 4 web central planes and overlap with the power loading center line perpendicular of universal testing machine, prevent that extra additional bending moment affects reliability and the accuracy of test findings.
The shearing test clamp course of work:
(1) base and top connection are fixedly mounted on respectively on universal testing machine, adjust the distance of base, top connection, ensure T-shaped test specimen installation;
(2) T-shaped test specimen base plate is placed in base groove, regulates the base splint of respective numbers according to T-shaped test specimen base plate thickness, select base both ends screw to coordinate with the through hole at press strip two ends according to T-shaped test specimen baseplate width, and by bolt tightening;
(3) T-shaped test specimen web is placed in top connection groove, regulate the web clamping plate on test specimen web both sides, bolted is passed through in top board and top connection, ensure that line of action of force is by test specimen web, make test specimen web central plane load center line perpendicular with the power of universal testing machine and overlap, avoid producing additional bending moment;
(4) check and tighten up test specimen, test;
(5) analytical test result.
Claims (2)
1. a shearing test clamp, it is characterized in that: comprise base, press strip, base splint, top board, web clamping plate, top connection, base and top connection are fixedly mounted on respectively on universal testing machine, on base plate, there is rectangular recess, the symmetrical screw of uniform many groups on the base plate of groove both sides, be used for coordinating with the through hole at press strip two ends, compress the test specimen base plate of different in width and different-thickness by bolt and press strip; Top connection is evenly equipped with multiple through holes, and a side is processed with the groove of clamping test specimen web, and top board and web clamping plate are positioned at top connection groove one side, and test specimen web is placed in top connection groove, and bolted is passed through in top board and top connection.
2. shearing test clamp according to claim 1, is characterized in that: test specimen web central plane loads center line perpendicular with the power of universal testing machine and overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098946.1U CN203758832U (en) | 2014-03-05 | 2014-03-05 | Shear test clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420098946.1U CN203758832U (en) | 2014-03-05 | 2014-03-05 | Shear test clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758832U true CN203758832U (en) | 2014-08-06 |
Family
ID=51254088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420098946.1U Expired - Fee Related CN203758832U (en) | 2014-03-05 | 2014-03-05 | Shear test clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758832U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445098A (en) * | 2015-12-10 | 2016-03-30 | 江门气派摩托车有限公司 | Brake-shoe block clamp for shearing test |
| CN105891111A (en) * | 2016-05-30 | 2016-08-24 | 三友（天津）高分子技术有限公司 | Structure adhesive tensile shear property testing fixture and using method |
| CN106018267A (en) * | 2016-07-06 | 2016-10-12 | 安徽宏锦包装设备有限公司 | Sliding block fixture for friction coefficient instrument |
| CN106168560A (en) * | 2016-09-19 | 2016-11-30 | 西安科技大学 | Foreign material creep rate assay device under autoclave environment |
| CN106226155A (en) * | 2016-07-06 | 2016-12-14 | 上海交通大学 | A kind of composite thin plate inplane shear test fixture and test method |
| CN108896411A (en) * | 2018-05-09 | 2018-11-27 | 东南大学 | A kind of shearing experiment device and its experimental method for sandwich plate sandwich layer |
| CN110160864A (en) * | 2019-05-24 | 2019-08-23 | 西北工业大学 | A kind of composite laminated plate shock-testing special fixture applying precompression |
| CN110595916A (en) * | 2019-09-25 | 2019-12-20 | 燕山大学 | Plate shearing test device |
| CN112146975A (en) * | 2020-10-27 | 2020-12-29 | 西北工业大学 | Shear test fixture |
-
2014
- 2014-03-05 CN CN201420098946.1U patent/CN203758832U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105445098A (en) * | 2015-12-10 | 2016-03-30 | 江门气派摩托车有限公司 | Brake-shoe block clamp for shearing test |
| CN105891111A (en) * | 2016-05-30 | 2016-08-24 | 三友（天津）高分子技术有限公司 | Structure adhesive tensile shear property testing fixture and using method |
| CN105891111B (en) * | 2016-05-30 | 2018-10-30 | 三友（天津）高分子技术有限公司 | A kind of sqtructural adhesive tensile and shear property test fixture and application method |
| CN106018267A (en) * | 2016-07-06 | 2016-10-12 | 安徽宏锦包装设备有限公司 | Sliding block fixture for friction coefficient instrument |
| CN106226155A (en) * | 2016-07-06 | 2016-12-14 | 上海交通大学 | A kind of composite thin plate inplane shear test fixture and test method |
| CN106168560A (en) * | 2016-09-19 | 2016-11-30 | 西安科技大学 | Foreign material creep rate assay device under autoclave environment |
| CN108896411A (en) * | 2018-05-09 | 2018-11-27 | 东南大学 | A kind of shearing experiment device and its experimental method for sandwich plate sandwich layer |
| CN108896411B (en) * | 2018-05-09 | 2020-09-22 | 东南大学 | Shearing experimental device for sandwich plate core layer and experimental method thereof |
| CN110160864A (en) * | 2019-05-24 | 2019-08-23 | 西北工业大学 | A kind of composite laminated plate shock-testing special fixture applying precompression |
| CN110595916A (en) * | 2019-09-25 | 2019-12-20 | 燕山大学 | Plate shearing test device |
| CN112146975A (en) * | 2020-10-27 | 2020-12-29 | 西北工业大学 | Shear test fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150305 |
|
| EXPY | Termination of patent right or utility model |