CN104237009A - Point joint tensile-shear strength testing device capable of applying multi-directional loads - Google Patents
Point joint tensile-shear strength testing device capable of applying multi-directional loads Download PDFInfo
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- CN104237009A CN104237009A CN201410177133.6A CN201410177133A CN104237009A CN 104237009 A CN104237009 A CN 104237009A CN 201410177133 A CN201410177133 A CN 201410177133A CN 104237009 A CN104237009 A CN 104237009A
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- clamp body
- shear strength
- joint
- force block
- strength testing
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Abstract
The invention discloses a point joint tensile-shear strength testing device capable of applying multi-directional loads, and relates to the multi-directional tensile-shear strength testing experiments of lap-joint point joints for panels. The device comprises a clamp body, a clamping block, a fastening bolt, a stress block and a stress block fastener, wherein the clamping block is arranged in the clamp body, the stress block is fixed on the clamp body by the stress block fastener, the fastening bolt is used for fastening the clamping block, the lap-joint point joint is arranged between an upper clamp body and a lower clamp body during use, and the stress blocks with different angles are force-applied to achieve the multi-directional tensile-shear load-applying testing. The point joint tensile-shear strength testing device has the advantages of convenience in installation and simplicity in operation, and can apply the multi-directional loads.
Description
Technical field
The present invention relates to the Mechanics Performance Testing of sheet material overlapped points joint, be specially a kind of some joint tensile shear strength proving installation applying multiaxis loading.
Background technology
Along with the development of modern industry, lightweight, high-strength sheet material such as magnesium alloy, aluminium alloy, high-strength steel etc. are widely used in the manufacture of the industry device such as automobile, household electrical appliances.The widespread use of new material must develop the method for attachment adapted, and exists as overlapped points connected modes such as resistance spot welding, friction stir spot welding, self-pierce riveting and TOX stamping connection at present.And existing tension test, shear test standard can not the mechanical property of comprehensive sign point joint.The testing standard of stretching and shear resistance can only test size that is a kind of and force value on the perpendicular or parallel direction of a joint respectively, and under actual working conditions, external force becomes arbitrarily angled with some joint.
Summary of the invention
The object of the present invention is to provide a kind of some joint tensile shear strength proving installation applying multiaxis loading, effectively can solve the deficiency of existing overlap joint sheet material point strength of joint method of testing.The method puts the use performance after the mechanical property of joint and stand under load under can investigating different Impact direction, characterize the mechanical behavior of a joint under multi-angle different loads.
This device comprises clamp body 1, clamp 2, fastening bolt 3, force block 4 and force block securing member 5,6,7.Described force block securing member is bolt 5, pad 6 and nut 7.Described clamp 2 is placed within clamp body 1, for clamp test test specimen; The stressed securing member 5,6,7 of described force block 4 is fixed on clamp body 1; Described clamp body 1 is semicircular structure, and clamp body 1 has 5 pairs of pilot holes 8, and pilot hole 8 is for adjusting force block loading angle, and the adjustable angle of pilot hole is respectively 30 °, 45 °, 60 °, 75 ° and 90 °.By applying power to the force block (4) in different angles, apply test to realize multi-direction shearing load of drawing.
Compared with existing sheet material point joints shear, pulling strengrth method of testing, advantage of the present invention is: easy for installation, simple to operate, just can carry out drawing shearing load strength test to test to the overlapped points joint applying of sheet material is multi-direction without the need to frequent dismounting.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation applying the some joint tensile shear strength proving installation of multiaxis loading of the present invention;
Fig. 2 is a kind of structural representation applying clamp body in the some joint tensile shear strength proving installation of multiaxis loading of the present invention;
Fig. 3 is a kind of structural representation applying clamp in the some joint tensile shear strength proving installation of multiaxis loading of the present invention;
Fig. 4 is a kind of structural representation applying force block in the some joint tensile shear strength proving installation of multiaxis loading of the present invention.
Embodiment
Apparatus of the present invention and Each part schematic diagram as shown in FIG. 1 to 3, mainly comprise clamp body 1, clamp 2, fastening bolt 3, force block 4 and force block securing member (bolt 5, pad 6 and nut 7) etc.
Clamp is placed within clamp body, and force block force block securing member is fixed on clamp body, and fastening bolt is used for fastening clamp.During work, sheet material is placed between clamp body and lower clamp body, promotes clamp, fastening sheet material by screwing fastening bolt.By applying power to the force block at diverse location, apply test to realize multi-direction shearing load of drawing.Require in experimentation that upper force block Impact direction, lower stress block Impact direction and sheet material center of gravity are on same straight line.
The use procedure of said apparatus is:
1) within four cavitys clamp 21,22,23,24 being placed in respectively clamp body 11,12.
2) fastening bolt 31,32,33,34 is screwed in the threaded hole of clamp body 11,12 side, need not screw.
3) by sheet material 81,82 are placed between clamp body 11,12, and force block Impact direction, lower stress block Impact direction and sheet material center of gravity are on same straight line.
4) screw fastening bolt 31,32,33,34, make clamp compress sheet material 81 and 82.
5) angle needed for upper clamp body 11 and lower clamp body 12 choice experiment---30 °, 45 °, 60 °, 75 °, 90 °, with force block securing member 5,6,7 anchorage clip concrete 1.
6) power is applied to force block, apply test to realize multi-direction shearing load of drawing.
The foregoing is only specific embodiments of the invention, but technical characteristic of the present invention is not limited thereto, any those skilled in the art is in the field of the invention, and the change done or modification are all encompassed among the scope of the claims of the present invention.
Claims (2)
1. one kind can apply the some joint tensile shear strength proving installation of multiaxis loading, primarily of clamp body (1), clamp (2), fastening bolt (3), force block (4) and force block securing member (5), (6), (7) composition, it is characterized in that: described clamp (2) is placed within clamp body (1), for two lapping plates of clamping point joint, described force block (4) force block securing member (5), (6), (7) are fixed on clamp body (1).
2. the some joint tensile shear strength proving installation applying multiaxis loading according to claim 1, it is characterized in that: described clamp body (1) is semicircular structure, clamp body (1) has 5 pairs of pilot holes (8), pilot hole (8) is for adjusting the stressed angle of force block, and the adjustable angle of pilot hole is respectively 30 °, 45 °, 60 °, 75 ° and 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177133.6A CN104237009A (en) | 2014-04-21 | 2014-04-21 | Point joint tensile-shear strength testing device capable of applying multi-directional loads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410177133.6A CN104237009A (en) | 2014-04-21 | 2014-04-21 | Point joint tensile-shear strength testing device capable of applying multi-directional loads |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104237009A true CN104237009A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410177133.6A Pending CN104237009A (en) | 2014-04-21 | 2014-04-21 | Point joint tensile-shear strength testing device capable of applying multi-directional loads |
Country Status (1)
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| CN (1) | CN104237009A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764661A (en) * | 2015-04-02 | 2015-07-08 | 上海交通大学 | Test device and test method for measuring mechanical properties of lap joint samples |
| CN105628496A (en) * | 2016-03-22 | 2016-06-01 | 北京航空航天大学 | Multifunctional shearing test fixture used for composite material parameter identification |
| CN106940252A (en) * | 2017-04-27 | 2017-07-11 | 西南交通大学 | The loosening test device and its application method of a kind of bolt connection structure |
| CN108279155A (en) * | 2018-01-29 | 2018-07-13 | 东北大学 | A kind of multidirectional loading structure surface intensity measurement device and application method |
| CN109520831A (en) * | 2018-11-28 | 2019-03-26 | 山东中车风电有限公司 | One kind being bolted slow test tooling, pilot system and application method |
| CN112539926A (en) * | 2020-11-26 | 2021-03-23 | 北京工业大学 | Can test device of bolt not hard up action under multi-angle load effect |
| CN112763312A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Tension-shear composite bolt fatigue test clamp and method |
| CN114324009A (en) * | 2022-01-18 | 2022-04-12 | 东北石油大学 | Testing device for composite fracture toughness of anisotropic rock under tensile-shear stress condition |
-
2014
- 2014-04-21 CN CN201410177133.6A patent/CN104237009A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104764661A (en) * | 2015-04-02 | 2015-07-08 | 上海交通大学 | Test device and test method for measuring mechanical properties of lap joint samples |
| CN105628496A (en) * | 2016-03-22 | 2016-06-01 | 北京航空航天大学 | Multifunctional shearing test fixture used for composite material parameter identification |
| CN106940252A (en) * | 2017-04-27 | 2017-07-11 | 西南交通大学 | The loosening test device and its application method of a kind of bolt connection structure |
| CN106940252B (en) * | 2017-04-27 | 2023-06-16 | 西南交通大学 | Looseness test device for bolt connection structure and use method of looseness test device |
| CN108279155A (en) * | 2018-01-29 | 2018-07-13 | 东北大学 | A kind of multidirectional loading structure surface intensity measurement device and application method |
| CN109520831A (en) * | 2018-11-28 | 2019-03-26 | 山东中车风电有限公司 | One kind being bolted slow test tooling, pilot system and application method |
| CN109520831B (en) * | 2018-11-28 | 2021-06-18 | 山东中车风电有限公司 | Bolt connection static test tool, test system and use method |
| CN112539926A (en) * | 2020-11-26 | 2021-03-23 | 北京工业大学 | Can test device of bolt not hard up action under multi-angle load effect |
| CN112763312A (en) * | 2020-12-29 | 2021-05-07 | 中国航空工业集团公司西安飞机设计研究所 | Tension-shear composite bolt fatigue test clamp and method |
| CN114324009A (en) * | 2022-01-18 | 2022-04-12 | 东北石油大学 | Testing device for composite fracture toughness of anisotropic rock under tensile-shear stress condition |
| CN114324009B (en) * | 2022-01-18 | 2022-06-17 | 东北石油大学 | Testing device for composite fracture toughness of anisotropic rock under tensile-shear stress condition |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20141224 |