CN207570906U - Original position stretching experiment fixture - Google Patents

Original position stretching experiment fixture Download PDF

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Publication number
CN207570906U
CN207570906U CN201721789185.4U CN201721789185U CN207570906U CN 207570906 U CN207570906 U CN 207570906U CN 201721789185 U CN201721789185 U CN 201721789185U CN 207570906 U CN207570906 U CN 207570906U
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CN
China
Prior art keywords
sample
original position
stretching experiment
position stretching
main body
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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
Application number
CN201721789185.4U
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Chinese (zh)
Inventor
刘鑫刚
王灿
肖琦琦
郭宝峰
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Yanshan University
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Yanshan University
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Priority to CN201721789185.4U priority Critical patent/CN207570906U/en
Application granted granted Critical
Publication of CN207570906U publication Critical patent/CN207570906U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to mechanical property tests auxiliary device field, it is related to a kind of original position stretching experiment fixture, it includes the first clamp body and the second clamp body, first clamp body and the second clamp body respectively include rectangular jig main body, sample clam member and T shape sample briquettings, rectangular jig main body side is equipped with T connected in stars, and T connected in stars can accommodate and the end of clamping sample to be tested;Sample clam member is fixed on the top of rectangular jig main body, and T shape sample briquettings can be clamped into T connected in stars, and T shape samples briquetting is located at the top of sample to be tested and is compressed.The applicable different-thickness of original position stretching experiment fixture of the utility model, the sample of different size, the small size sample of particularly special blank, applicability are wide;It is moreover, simple in construction, easy to disassemble and assemble.

Description

Original position stretching experiment fixture
Technical field
The utility model belongs to mechanical property tests auxiliary device field, more particularly to a kind of original position stretching experiment folder Tool.
Background technology
There are very big difference, the micro nanometer mechanics of material in the micro mechanical property of material and the classical mechanics performance of macroscopic view In many performance parameters of test, the parameters such as elasticity modulus, hardness, break limit, shear modulus are main test objects, needle To above-mentioned material property parameter there are many test method, such as pulling method, compression method, shearing method, torsional technique, bending method, nanometer Indentation method and eardrum method, wherein original position stretching test method can more comprehensively embody the mechanical property of material, can pass through reality When stress-strain curves more intuitively analyze the mechanical properties such as the break limit of material, elasticity modulus.
Scanning electron microscope home position tension test platform is a kind of dynamic observation and analysis of material microdeformation pattern and fracture mechanism Means, material science forward position study in played important function.The testing of materials is carried out in scanning electron microscope, it can be fully sharp With the powerful depth of field, high-space resolution and the analytic function of scanning electron microscope, the mechanical property of material is carried out on a microscopic level Dynamic studies.The application that this is tested in terms of research material mechanical property at present is very extensive, but due to current scanline Electronic Speculum Requirement of the fixture to accessory size above in-situ tensile test platform is stringenter, and many materials cannot manufacture so big, especially It is the requirement for the size in hole on sample, and many materials cannot require to manufacture and meet manufacture essence fully according to size Degree, is not easy to carry out the experiment of various different materials.
Utility model content
The defects of in order to overcome the prior art, the purpose of this utility model is to provide a kind of original position stretching experiment folders Tool, the sample of applicable difference dimensions, applicability are wide.
The utility model is realized in this way:
A kind of original position stretching experiment fixture, it is characterised in that:It includes the first clamp body and the second clamp body, and described One clamp body and the second clamp body respectively include rectangular jig main body, sample clam member and T shape sample briquettings, the rectangle Jig main body side is equipped with T connected in stars, and the T connected in stars can accommodate and the end of clamping sample to be tested;The sample fastening Pressing plate is fixed on the top of the rectangular jig main body;The T shapes sample briquetting can be clamped into the T connected in stars, the T shapes examination Sample briquetting is located at the top of the sample to be tested and is compressed.
Preferably, the rectangular jig main body includes middle part the first pin hole and the first threaded hole that are uniformly arranged, and described the One threaded hole is located at the outside of first pin hole.
Preferably, the sample clam member is equipped with first pin hole and the corresponding position of the first threaded hole Second pin hole and the second threaded hole.
Preferably, the sample clam member and rectangular jig main body are positioned by pin and bolt is fastened.
Preferably, the quantity of first pin hole, the first threaded hole, the second pin hole and the second threaded hole is 2.
Preferably, first threaded hole is through-hole, and second threaded hole is stepped hole.
Preferably, the quadrangle of the crossbeam of the T shapes sample briquetting and T connected in stars and the transition position of crossbeam and vertical beam are circle Shape chamfering.
Preferably, the T shapes sample briquetting can be replaced.
Preferably, the thickness of the T shapes sample briquetting is 3~4mm.
Compared with prior art, the utility model has the advantages that:
The applicable different-thickness of original position stretching experiment fixture of the utility model, the sample of different size, it is particularly special The small size sample of different blank, applicability are wide;The original position stretching experiment clamp structure of the utility model is simple, convenient for disassembly and assembly.
Description of the drawings
Fig. 1 is the structure diagram of the original position stretching experiment fixture of the utility model;
Fig. 2 is the structure diagram of the rectangular jig main body of the utility model;
Fig. 3 is the structure diagram of the sample clam member of the utility model;
Fig. 4 is the structure diagram of the T shape sample briquettings of the utility model;
Fig. 5 is the sectional view of the original position stretching experiment fixture of the utility model.
Specific embodiment
The exemplary embodiment, feature and aspect of the utility model are described in detail below with reference to attached drawing.It is identical in attached drawing Reference numeral represent functionally the same or similar element.Although the various aspects of embodiment are shown in the drawings, remove It non-specifically points out, it is not necessary to attached drawing drawn to scale.
As shown in Figure 1 and Figure 5, a kind of original position stretching experiment fixture, including the first clamp body 100 and the second clamp body 200, the first clamp body 100 and the second clamp body 200 respectively include rectangular jig main body 1, sample clam member 2 and the examination of T shapes Sample briquetting 3, as shown in Fig. 2, 1 side of rectangular jig main body is equipped with T connected in stars 13, T connected in stars 13 can accommodate and clamping is to be tested The end of sample 4;The first pin hole 11 and the first threaded hole 12 that the middle part of rectangular jig main body 1 is uniformly arranged, the first threaded hole 12 Positioned at the outside of the first pin hole 11, as shown in figure 3, sample clam member 2 is opposite with the first pin hole 11 and the first threaded hole 12 The position answered is equipped with the second pin hole 21 and the second threaded hole 22, and the second threaded hole 22 is stepped hole, and sample clam member 2 is installed It is fastened in the top of rectangular jig main body 1 and by pin positioning and bolt;As shown in Figure 2 and Figure 4, T shapes sample briquetting The quadrangle of the crossbeam of 3 and T connected in stars 13 and the transition position of crossbeam and vertical beam are rounded corners, T shape samples briquetting 3 can be clamped into T connected in stars 13, T shape samples briquetting 3 are located at the top of sample to be tested 4 and are compressed.The design of rounded corners avoids stretching When Tip split happen.
Preferably, the quantity of the first pin hole 11, the first threaded hole 12, the second pin hole 21 and the second threaded hole 22 is 2.
Preferably, T shapes sample briquetting 3 can be replaced, and the thickness of T shape samples briquetting 3 is 3~4mm, when sample to be tested 4 When thickness is 1mm, the T shape sample briquettings for choosing 4mm are compressed, and when the thickness of sample to be tested 4 is 2mm, choose the T of 3mm Shape sample briquetting is compressed.The sum of thickness of sample to be tested 4 and T shape samples briquetting 3 is slightly larger than the thickness of rectangular jig main body 1 Degree ensures that sample to be tested is compacted during test, prevents dislocation from moving.
As shown in Figure 1, when carrying out original position stretching experiment, sample to be tested 4 is I-shaped shape, the both ends of sample to be tested 4 It is respectively put into the T connected in stars 13 of the rectangular jig main body 1 of the first clamp body 100 and the second clamp body 200, prevents sample to be tested 4 horizontally slip, T shape samples briquetting 3 is clamped into T connected in stars 13, the top for being placed in sample to be tested 4 is compressed, most Sample clam member 2 is placed in the top of T shape samples briquetting 3 and rectangular jig main body 1, the second pin hole 21 and the first pin hole 11 afterwards Correspond and be inserted into pin and positioned, bolt pass through after the second threaded hole 22 and the first threaded hole 21 on experiment porch Screw thread carries out the fastening that is spirally connected, and sample to be tested 4 is compressed, it is avoided to slide up and down.In this way, the first clamp body 100 and the second fixture Body 200 fastens the both ends of sample to be tested 4 respectively, after the clamping for completing sample to be tested 4, can carry out original position stretching experiment.
Finally it should be noted that:Above-described each embodiment be merely to illustrate the technical solution of the utility model rather than It is limited;Although the utility model is described in detail with reference to the foregoing embodiments, those of ordinary skill in the art It should be understood that:It can still modify to the technical solution recorded in previous embodiment or to which part or whole Technical characteristic carries out equivalent replacement;And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model The range of each embodiment technical solution.

Claims (9)

1. a kind of original position stretching experiment fixture, it is characterised in that:It includes the first clamp body and the second clamp body, and described first Clamp body and the second clamp body respectively include rectangular jig main body, sample clam member and T shape sample briquettings,
The rectangular jig main body side is equipped with T connected in stars, and the T connected in stars can accommodate and the end of clamping sample to be tested;
The sample clam member is fixed on the top of the rectangular jig main body;
The T shapes sample briquetting can be clamped into the T connected in stars, and the T shapes sample briquetting is located at the top of the sample to be tested And it is compressed.
2. original position stretching experiment fixture according to claim 1, it is characterised in that:During the rectangular jig main body includes The first pin hole and the first threaded hole that portion is uniformly arranged, first threaded hole are located at the outside of first pin hole.
3. original position stretching experiment fixture according to claim 2, it is characterised in that:The sample clam member with institute It states the first pin hole and the corresponding position of the first threaded hole is equipped with the second pin hole and the second threaded hole.
4. original position stretching experiment fixture according to claim 3, it is characterised in that:The sample clam member and rectangle Jig main body is positioned by pin and bolt is fastened.
5. original position stretching experiment fixture according to claim 4, it is characterised in that:First pin hole, the first screw thread The quantity in hole, the second pin hole and the second threaded hole is 2.
6. original position stretching experiment fixture according to claim 5, it is characterised in that:First threaded hole is through-hole, Second threaded hole is stepped hole.
7. original position stretching experiment fixture according to claim 1, it is characterised in that:The T shapes sample briquetting and T shapes are recessed The transition position of the quadrangle of the crossbeam of slot and crossbeam and vertical beam is rounded corners.
8. original position stretching experiment fixture according to claim 7, it is characterised in that:The T shapes sample briquetting can replace It changes.
9. original position stretching experiment fixture according to claim 8, it is characterised in that:The thickness of the T shapes sample briquetting For 3~4mm.
CN201721789185.4U 2017-12-20 2017-12-20 Original position stretching experiment fixture Expired - Fee Related CN207570906U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721789185.4U CN207570906U (en) 2017-12-20 2017-12-20 Original position stretching experiment fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721789185.4U CN207570906U (en) 2017-12-20 2017-12-20 Original position stretching experiment fixture

Publications (1)

Publication Number Publication Date
CN207570906U true CN207570906U (en) 2018-07-03

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CN201721789185.4U Expired - Fee Related CN207570906U (en) 2017-12-20 2017-12-20 Original position stretching experiment fixture

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Country Link
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108760483A (en) * 2018-08-23 2018-11-06 中国原子能科学研究院 A kind of neutron small angle scattering high-temp in-situ Special fixture for tensile test
CN109142042A (en) * 2018-07-20 2019-01-04 燕山大学 Combined type just dismounts mechanical property tests fixture
CN109297811A (en) * 2018-09-28 2019-02-01 西北工业大学 Double-shaft two-way compression-loaded devices and methods therefor
CN109855950A (en) * 2018-12-20 2019-06-07 南京理工大学 A kind of clamping device of transmission electron microscope original position stretching
CN109946161A (en) * 2019-05-05 2019-06-28 中国人民解放军陆军装甲兵学院 Original position stretching machine for coating material original position stretching observation system
CN110006755A (en) * 2019-05-05 2019-07-12 中国人民解放军陆军装甲兵学院 Original position stretching machine for coating material original position stretching observation system
CN110514516A (en) * 2019-08-23 2019-11-29 杭州源位科技有限公司 A kind of stretching sample fixture of spring auxiliary fastening
CN113125246A (en) * 2020-01-15 2021-07-16 中国商用飞机有限责任公司 Fatigue test fixture

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109142042A (en) * 2018-07-20 2019-01-04 燕山大学 Combined type just dismounts mechanical property tests fixture
CN108760483A (en) * 2018-08-23 2018-11-06 中国原子能科学研究院 A kind of neutron small angle scattering high-temp in-situ Special fixture for tensile test
CN109297811A (en) * 2018-09-28 2019-02-01 西北工业大学 Double-shaft two-way compression-loaded devices and methods therefor
CN109855950A (en) * 2018-12-20 2019-06-07 南京理工大学 A kind of clamping device of transmission electron microscope original position stretching
CN109855950B (en) * 2018-12-20 2022-02-18 南京理工大学 Clamping device for in-situ stretching of transmission electron microscope
CN109946161A (en) * 2019-05-05 2019-06-28 中国人民解放军陆军装甲兵学院 Original position stretching machine for coating material original position stretching observation system
CN110006755A (en) * 2019-05-05 2019-07-12 中国人民解放军陆军装甲兵学院 Original position stretching machine for coating material original position stretching observation system
CN110514516A (en) * 2019-08-23 2019-11-29 杭州源位科技有限公司 A kind of stretching sample fixture of spring auxiliary fastening
CN113125246A (en) * 2020-01-15 2021-07-16 中国商用飞机有限责任公司 Fatigue test fixture

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180703

Termination date: 20191220

CF01 Termination of patent right due to non-payment of annual fee