CN207570906U - Original position stretching experiment fixture - Google Patents
Original position stretching experiment fixture Download PDFInfo
- 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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- Prior art keywords
- sample
- original position
- stretching experiment
- position stretching
- main body
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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
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.
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 |
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CN207570906U true CN207570906U (en) | 2018-07-03 |
Family
ID=62685310
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721789185.4U Expired - Fee Related CN207570906U (en) | 2017-12-20 | 2017-12-20 | Original position stretching experiment fixture |
Country Status (1)
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CN (1) | CN207570906U (en) |
Cited By (8)
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 |
-
2017
- 2017-12-20 CN CN201721789185.4U patent/CN207570906U/en not_active Expired - Fee Related
Cited By (9)
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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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180703 Termination date: 20191220 |
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CF01 | Termination of patent right due to non-payment of annual fee |