CN109142042B - Combined type mechanical property experiment clamp convenient to disassemble and assemble - Google Patents
Combined type mechanical property experiment clamp convenient to disassemble and assemble Download PDFInfo
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- CN109142042B CN109142042B CN201810804499.XA CN201810804499A CN109142042B CN 109142042 B CN109142042 B CN 109142042B CN 201810804499 A CN201810804499 A CN 201810804499A CN 109142042 B CN109142042 B CN 109142042B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to a combined type clamp for mechanical property experiments, which comprises a cover plate, a base and a sliding block, wherein the cover plate is of a concave structure, a first threaded hole is formed in the middle of the cover plate, the base comprises a concave surface matched with the cover plate and a convex surface at the lower part of the concave surface, a bulge is arranged at the position where the convex surface is connected with the concave surface, the bulge is embedded into a concave part of the cover plate, the cover plate covers the concave surface, the sliding block and the concave surface are integrally formed or slide left and right in a groove of the base under the control of bolts at two sides of the base, a T-shaped groove for containing a sample is formed in the middle of a first side surface. The invention has simple structure, convenient disassembly and assembly and low production cost, can be suitable for samples with different thicknesses and different widths, and does not need to replace a clamp; in addition, the clamp is made of high-strength die steel, can be used for mechanical property experiments of various materials, and is particularly suitable for testing the mechanical property of small-size non-national standard samples.
Description
Technical Field
The invention belongs to the technical field of experimental tools, and relates to a combined type mechanical property experiment clamp convenient to assemble and disassemble.
Background
With the development and progress of society, the traditional materials can not meet the requirements in many occasions, a large number of new materials are developed, and the performance test, especially the mechanical performance test, of the new materials is very important. However, because the production cost of part of novel materials is high, and the tests to be carried out are more, the raw materials for mechanical property tests are insufficient under certain specific conditions, so that the samples are not prepared according to the national standard, and only small non-standard samples can be prepared. On the other hand, on the basis of the mechanical property test of the materials which are already subjected to other tests, the experimental materials are often not enough to prepare tensile samples according to the national standard, and in this case, only small non-national standard samples can be prepared. A common static testing machine generally adopts a wedge-shaped clamp, most fatigue testing machines adopt a horizontal pushing clamp, but the wedge-shaped clamp or the horizontal pushing clamp is mostly only suitable for I-shaped national standard samples, and the clamp is large in size and cannot be used for small-size non-national standard samples. It can not be used for evaluating the mechanical property of small-sized materials.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a combined type mechanical property experiment clamp convenient to disassemble and assemble, which can be used for uniaxial tension and compression experiments and fatigue property test experiments of plate-shaped tensile samples with different thicknesses and different widths at room temperature.
The invention is realized by the following steps:
the utility model provides a modular just, anchor clamps for dismouting mechanical properties experiments, its includes apron, base and slider, the apron is character cut in bas-relief structure, the middle part of apron is equipped with first screw hole, the base include with apron complex concave surface with the convex surface of concave surface lower part, the position that the convex surface meets with the concave surface is equipped with the arch, protruding embedding in the concave part of apron, the apron covers on the concave surface, the slider is fixed on the concave surface of base, the middle part of the first side of slider is equipped with the T-slot that is used for holding the sample, the vertical part in T-slot is round chamfer.
Preferably, the slider is integrally formed with the concave surface.
Preferably, the upper part of the concave surface is provided with a groove for placing the sliding block, the lower part of the groove is provided with a triangular bulge, and two end parts of the groove are provided with third threaded holes.
Preferably, the slider comprises a first slider and a second slider, the first slider and the second slider each comprise a second threaded hole, a T-shaped slot 1/2 on a first side surface and an L-shaped slot on a second side surface, the first side surface is opposite to the second side surface, the T-shaped slot 1/2 is arranged at a first end of the first side surface, and the second threaded hole is arranged at a second end of the first slider and the second slider.
Preferably, the groove depth of the T-shaped groove is 2.5 mm.
Preferably, the radius of the round chamfer is 2 mm.
Preferably, the concave part of the cover plate is an inverted triangular concave part or a T-shaped concave part, and the protrusion is an inverted triangular protrusion or a T-shaped protrusion.
Preferably, the diameter of the first threaded hole is 4 mm.
Preferably, the diameters of the second threaded hole and the third threaded hole are 3mm, and the positions of the second threaded hole and the third threaded hole correspond to each other.
Preferably, the clamp is made of die steel.
Compared with the prior art, the invention has the following beneficial effects:
the combined type mechanical property experiment clamp convenient to disassemble and assemble has the advantages of simple structure, convenience in disassembly and assembly and low production cost, can be suitable for samples with different thicknesses and different widths, and does not need to replace the clamp; the flat push clamp or the wedge-shaped clamp is combined for use, so that the flat push clamp or the wedge-shaped clamp can be used for a common statics experiment machine and a fatigue testing machine, and has a wide application range; in addition, the clamp is made of high-strength die steel, can be used for mechanical property experiments of various materials, and is particularly suitable for testing the mechanical property of small-size non-national standard samples.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a cover plate according to the present invention;
FIG. 3 is a schematic structural diagram of another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a cover plate according to another embodiment of the present invention;
FIG. 5a is a schematic view of a first side of a slider according to another embodiment of the present invention;
FIG. 5b is a schematic diagram of the second side of the slider according to another embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a base according to another embodiment of the present invention;
FIG. 7 is an assembly view of the present invention;
FIG. 8 is a schematic view of the structure of a sample;
FIG. 9 is an assembly view of the combination of the present invention fixture and a flat push fixture for mechanical property testing.
Detailed Description
Exemplary embodiments, features and performance aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.
The utility model provides a modular anchor clamps for dismouting mechanical properties experiments just, it includes apron 1, base 2 and slider 3, apron 1 is character cut in bas-relief structure, the middle part of apron 1 is equipped with first screw hole 12, base 2 includes with apron 1 complex concave surface 21 and the convex surface 22 of concave surface lower part, the position that convex surface 22 and concave surface 21 meet is equipped with protruding 221, protruding 221 imbeds in the concave part 11 of apron, apron 1 covers on concave surface 21, slider 3 is fixed on the concave surface 21 of base, the middle part of slider 3's first side is equipped with the T-slot 32 that is used for holding the sample, the vertical part of T-slot 32 is round chamfer.
Preferably, the depth of the T-shaped groove 32 is 2.5mm, the T-shaped groove can be used for performing experiments on tensile samples with any thickness between 0mm and 2.5mm, and the depth of the T-shaped groove 32 can be designed according to specific experimental requirements. The radius of the round chamfer is 2mm, and the round chamfer is fit with the size of a sample. The concave part 11 of the cover plate 1 is an inverted triangular concave part or a T-shaped concave part, and correspondingly, the protrusion 221 is an inverted triangular protrusion or a T-shaped protrusion. The first threaded hole 12 has a diameter of 4 mm. The clamp is made of die steel.
In the present embodiment, the slider 3 is integrally formed with the concave surface 21, as shown in FIGS. 1 to 2. During the experiment, firstly, the flat push clamp 5 is placed into an electro-hydraulic servo fatigue testing machine to be assembled, then one end of a sample 4 is placed into the T-shaped groove 32, the protrusion 221 is embedded into the concave part 11 of the cover plate 1, the cover plate 1 covers the concave surface 21 of the base, a bolt is screwed into the first threaded hole 12 of the cover plate 1 to compress the sample 4, the assembled sample 4 and the clamp are placed into the groove of the flat push clamp 5 to compress the flat push clamp 5, and after the other end of the sample 4 is assembled by adopting the same method, the fatigue testing machine is operated to perform the experiment. The length of the clamp is consistent with that of the flat push clamp 5, and the height of the clamp is 20mm higher than that of the flat push clamp 5, so that the positioning and the placement of the sample are facilitated.
In another embodiment of the invention, as shown in fig. 3-7, the combined type mechanical property experiment fixture convenient to disassemble and assemble comprises a cover plate 1, a base 2 and a sliding block 3, as shown in fig. 4, the cover plate 1 is of a concave structure, and a first threaded hole 12 is formed in the middle of the cover plate 1; the slide block 3 comprises a first slide block and a second slide block, the first slide block and the second slide block have the same structure, as shown in fig. 5a, the second side surfaces of the first slide block and the second slide block are provided with L-shaped grooves 31, as shown in fig. 5b, the first end part of the first side surface opposite to the second side surface is provided with a T-shaped groove 321 for accommodating 1/2 of a test sample, the vertical part of the T-shaped groove is a round chamfer, and the second end parts of the first slide block and the second slide block are provided with second threaded holes 33; as shown in fig. 6, the base 2 includes a concave surface 21 matched with the cover plate 1 and a convex surface 22 at the lower part of the concave surface 21, a protrusion 221 is arranged at the position where the convex surface 22 is connected with the concave surface 21, the protrusion 221 is embedded into the concave part 11 of the cover plate 1, the cover plate 1 covers the concave surface 21, a groove 211 for placing the sliding block 3 is arranged at the upper part of the concave surface 21, a triangular protrusion 214 is arranged at the lower part of the groove 211, third threaded holes 212 are arranged at the two end parts of the groove 211, and when the first sliding block and the second sliding block are placed in the groove 211 at the upper part of the concave surface of the base, the positions.
Preferably, the groove depth of the T-shaped groove is 2.5 mm. The concave part 11 of the cover plate 1 is an inverted triangular concave part or a T-shaped concave part, and correspondingly, the convex part 22 of the convex surface of the base 2 is an inverted triangular convex part or a T-shaped convex part. 1/2, the radius of the rounded chamfer of the T-shaped slot 321 is 2mm and the diameter of the first threaded hole 12 is 4 mm. The diameters of the second threaded hole 33 and the third threaded hole 212 are 3mm, and when the first slider and the second slider are placed in the groove 211 on the upper part of the concave surface of the base, the positions of the second threaded hole 33 and the third threaded hole 212 correspond.
In the experiment, as shown in fig. 3 to 9, firstly, the flat push clamp 5 is put into an electro-hydraulic servo fatigue testing machine for assembly, then the second side surfaces of the first slide block and the second slide block are put into the groove 211 of the base 2, the L-shaped groove 31 on the second side surface is attached to the groove 211, at this time, the second threaded hole 33 is aligned with the third threaded hole 212, the bolt is inserted into the second threaded hole 33 and the third threaded hole 212 for positioning, the triangular groove in the middle of one end of the sample 4 is aligned with the triangular protrusion 213 on the base 2, the end of the sample is completely put into the T-shaped groove formed by the first side surfaces of the first slide block and the second slide block, the bolt is screwed to adjust the positions of the first slide block and the second slide block so as to clamp the sample 4, the concave part 11 of the cover plate 1 is aligned with the protrusion 221 on the convex surface of the base 2, the cover plate 1 is covered on the concave surface 21 of the base, the cover plate 1 is in clearance fit with the concave surface 21 of the base, a sample and a clamp are assembled conveniently, the clamp is integrally placed in a groove in the middle of a horizontal pushing clamp, a fatigue testing machine is operated, the distance between an upper horizontal pushing clamp and a lower horizontal pushing clamp is shortened, the other end of the sample is placed in the clamp in the same method, the clamp is integrally placed in the horizontal pushing clamp, the horizontal pushing clamp is compressed, and the fatigue testing machine is operated to perform an experiment. The length of the clamp is consistent with that of the flat push clamp 5, so that the positioning is convenient. The height of the clamp is 20mm higher than that of the flat push clamp, so that the sample can be conveniently placed.
Preferably, the clamp is made of high-strength die steel and can be used for tensile experiments of various materials.
In conclusion, the invention has the following advantages:
the combined type mechanical property experiment clamp convenient to disassemble and assemble has the advantages of simple structure, convenience in disassembly and assembly and low production cost, can be suitable for samples with different thicknesses and different widths, and does not need to replace the clamp; the flat push clamp or the wedge-shaped clamp is combined for use, so that the flat push clamp or the wedge-shaped clamp can be used for a common statics experiment machine and a fatigue testing machine, and has a wide application range; and the clamp is made of high-strength die steel, can be used for tensile experiments of various materials, and is particularly suitable for testing the mechanical properties of small-size non-national standard samples.
Finally, it should be noted that: the above-mentioned embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a modular just, anchor clamps for dismouting mechanical properties experiments which characterized in that: which comprises a cover plate, a base and a slide block,
the cover plate is of a concave structure, and a first threaded hole is formed in the middle of the cover plate;
the base comprises a concave surface matched with the cover plate and a convex surface at the lower part of the concave surface, a bulge is arranged at the position where the convex surface is connected with the concave surface, the bulge is embedded into the concave part of the cover plate, and the cover plate covers the concave surface;
the sliding block is fixed on the concave surface of the base, a T-shaped groove for containing a sample is arranged in the middle of the first side surface of the sliding block, and the vertical part of the T-shaped groove is a round chamfer; the sliding block and the concave surface are integrally formed; the upper part of the concave surface is provided with a groove for placing the sliding block, the lower part of the groove is provided with a triangular bulge, and two end parts of the groove are provided with third threaded holes; the slider includes first slider and second slider, first slider and second slider all include the T-slot of 1/2 of second screw hole, first side and the L-shaped groove of second side, first side with the second side sets up relatively, the T-slot of 1/2 sets up the first end of first side, the second screw hole sets up the second end of first slider and second slider, the position of second screw hole and third screw hole is corresponding.
2. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the groove depth of the T-shaped groove is 2.5 mm.
3. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the radius of the round chamfer is 2 mm.
4. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the concave part of the cover plate is an inverted triangular concave part or a T-shaped concave part, and the protrusion is an inverted triangular protrusion or a T-shaped protrusion.
5. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the diameter of the first threaded hole is 4 mm.
6. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the diameter of the second threaded hole and the diameter of the third threaded hole are 3 mm.
7. The combined type mechanical property experiment clamp convenient to disassemble and assemble according to claim 1, characterized in that: the clamp is made of die steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804499.XA CN109142042B (en) | 2018-07-20 | 2018-07-20 | Combined type mechanical property experiment clamp convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810804499.XA CN109142042B (en) | 2018-07-20 | 2018-07-20 | Combined type mechanical property experiment clamp convenient to disassemble and assemble |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109142042A CN109142042A (en) | 2019-01-04 |
| CN109142042B true CN109142042B (en) | 2020-08-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810804499.XA Active CN109142042B (en) | 2018-07-20 | 2018-07-20 | Combined type mechanical property experiment clamp convenient to disassemble and assemble |
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| CN (1) | CN109142042B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113466029B (en) * | 2021-06-29 | 2022-08-30 | 燕山大学 | Sheet metal tensile test anchor clamps |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3226465A1 (en) * | 1982-07-15 | 1984-01-19 | A.M. Erichsen Gmbh, 5600 Wuppertal | Tool for clamping bar-shaped samples in materials testing machines |
| US4537080A (en) * | 1982-02-18 | 1985-08-27 | Mts Systems Corporation | Side loading specimen grip |
| CN106769433A (en) * | 2017-03-31 | 2017-05-31 | 沈阳盛远检测技术有限公司 | Composite bends and interlayer shear sample fast fixture |
| CN207556981U (en) * | 2017-12-25 | 2018-06-29 | 内蒙古工业大学 | For the stretching clamp of low-dimensional sized materials |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205719768U (en) * | 2016-06-20 | 2016-11-23 | 燕山大学 | A kind of Sheet Rectangular tensile sample fixture |
| CN206410934U (en) * | 2017-01-16 | 2017-08-15 | 燕山大学 | A kind of multi-functional plate tensile sample mechanical property tests fixture just dismounted |
| CN107560936A (en) * | 2017-10-26 | 2018-01-09 | 河北银隆新能源有限公司 | Tension test fixture |
| CN207570906U (en) * | 2017-12-20 | 2018-07-03 | 燕山大学 | Original position stretching experiment fixture |
| CN108091813B (en) * | 2017-12-28 | 2019-06-28 | 深圳名飞远科技有限公司 | Power battery positions heating mechanism and tab hot briquetting method with tab metal tape |
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2018
- 2018-07-20 CN CN201810804499.XA patent/CN109142042B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4537080A (en) * | 1982-02-18 | 1985-08-27 | Mts Systems Corporation | Side loading specimen grip |
| DE3226465A1 (en) * | 1982-07-15 | 1984-01-19 | A.M. Erichsen Gmbh, 5600 Wuppertal | Tool for clamping bar-shaped samples in materials testing machines |
| CN106769433A (en) * | 2017-03-31 | 2017-05-31 | 沈阳盛远检测技术有限公司 | Composite bends and interlayer shear sample fast fixture |
| CN207556981U (en) * | 2017-12-25 | 2018-06-29 | 内蒙古工业大学 | For the stretching clamp of low-dimensional sized materials |
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| CN109142042A (en) | 2019-01-04 |
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Effective date of registration: 20220720 Address after: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee after: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Address before: No.438, west section of Hebei Street, Haigang District, Qinhuangdao City, Hebei Province Patentee before: Yanshan University |
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Effective date of registration: 20230111 Address after: 215000 No. 66, Songshan Road, high tech Zone, Suzhou, Jiangsu Patentee after: Yidi die casting technology (Suzhou) Co.,Ltd. Address before: 230000 B-2704, wo Yuan Garden, 81 Ganquan Road, Shushan District, Hefei, Anhui. Patentee before: HEFEI LONGZHI ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |