CN220304979U - Material-saving tensile sample structure - Google Patents
Material-saving tensile sample structure Download PDFInfo
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- CN220304979U CN220304979U CN202321776583.8U CN202321776583U CN220304979U CN 220304979 U CN220304979 U CN 220304979U CN 202321776583 U CN202321776583 U CN 202321776583U CN 220304979 U CN220304979 U CN 220304979U
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- 239000000463 material Substances 0.000 claims abstract description 28
- 238000009864 tensile test Methods 0.000 claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application discloses material-saving tensile sample structure belongs to tensile test's technical field. The device comprises a rod and a rod end fixed at the end part of the rod, wherein one side of the rod end far away from the rod is provided with a threaded hole, the aperture of the threaded hole is larger than the diameter of the rod, and the threaded hole is internally connected with a stress piece in a threaded manner. The tensile specimen replacing part of the structure is beneficial to reducing the length of the rod end, so that the tensile specimen is saved, and the material cost is reduced.
Description
Technical Field
The application relates to the technical field of tensile tests, in particular to a tensile sample structure capable of saving materials.
Background
The tensile test refers to a test method for measuring the properties of a material under an axial tensile load. The data obtained by the tensile test can be used for determining the elastic limit, elongation, elastic modulus, proportion limit, area reduction amount, tensile strength, yield point, yield strength and other tensile performance indexes of the material.
Referring to fig. 1, a tensile specimen includes a main body 51 and specimen ends 52 fixed to both ends of the main body 51, and the length of the specimen ends 52 is required to satisfy a certain size in order to facilitate clamping by a testing machine.
For the related art described above, such a design causes waste of materials and increases costs for some tensile samples, which are relatively expensive in materials.
Disclosure of Invention
To help reduce material costs, the present application provides a material-saving tensile specimen structure.
The application provides a save material's tensile sample structure adopts following technical scheme:
the utility model provides a material saving's tensile sample structure, includes the member and fixes the member end of member tip, the screw hole has been seted up to one side that the member was kept away from to the member end, the aperture of screw hole is greater than the diameter of member, threaded connection has the atress piece.
Through adopting above-mentioned technical scheme, the aperture of screw hole is greater than the diameter of member has ensured that the connection structure of atress spare and member end possesses sufficient structural strength, and tensile sample can be broken from the middle part when guaranteeing tensile test, ensures the accuracy of result. Meanwhile, the stress piece is used for replacing a part of the structure of the tensile sample, so that the length of the rod piece end head is reduced, the material of the tensile sample is saved, and the material cost is reduced.
Optionally, the stress piece includes tooth portion and head, tooth portion and the pore wall threaded connection of screw hole, the head is fixed in the tooth portion one end that is kept away from the member end.
By adopting the technical scheme, the tooth part realizes the connection function, and the head part realizes the stress function. The scheme has simple structure, and the stress piece and the rod piece end are convenient to assemble and disassemble before and after the test, thereby being beneficial to saving the test time and further saving the test cost.
Optionally, the diameter of the head is the same as the diameter of the rod end, and the outer peripheral surface of the head and the outer peripheral surface of the rod end are used for being connected with a clamping jaw clamp of the tensile testing machine.
Through adopting above-mentioned technical scheme, clamping jaw anchor clamps centre gripping head and member end's outer peripheral face reduces the area by clamping jaw anchor clamps centre gripping member end outer peripheral face in the centre gripping process, and then makes the length of member end can design to be shorter, and then can save material to guarantee clamping jaw anchor clamps to tensile sample's clamping strength.
Optionally, the outer peripheral surface of the head is provided with a first roughened surface.
By adopting the technical scheme, the friction force can be improved, so that the length of the head or the length of the rod end can be designed to be shorter, and the material cost is further saved.
Optionally, the diameter of the head is greater than the diameter of the rod end, and one side of the head, which is close to the rod end, is used for being abutted with the inner side surface of the T-shaped clamp of the tensile testing machine.
By adopting the technical scheme, the head can be placed in the T-shaped clamp, and the T-shaped clamp can be stretched for testing. The design can make things convenient for personnel to carry out the clamping on the one hand, on the other hand, because the head is close to the medial surface butt of member end and T type anchor clamps, can make tensile sample keep the straightness that hangs down at clamping in-process, and then improves the accuracy of test result.
Optionally, a second rough surface is arranged on one side of the head part, which is close to the end head of the rod piece.
By adopting the technical scheme, the deflection of the tensile test sample at the initial stage of the tensile test is reduced, and the accuracy of the tensile test result is improved.
Optionally, a T-shaped connector is fixed to one side of the head portion away from the tooth portion.
Through adopting above-mentioned technical scheme, can utilize clamping jaw anchor clamps to carry out the clamping to tensile sample, also can utilize T type anchor clamps to carry out the clamping to tensile sample, help promoting the suitability of this tensile sample.
Optionally, a third rough surface is arranged on one side of the T-shaped connector, which is close to the end head of the rod piece.
By adopting the technical scheme, the deflection of the tensile test sample at the initial stage of the tensile test is reduced, and the accuracy of the tensile test result is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the stress piece is used for replacing a part of the structure of the tensile sample stress, so that the length of the rod piece end head is reduced, the material of the tensile sample is saved, and the material cost is reduced.
2. The diameter of head is greater than the diameter of member end and the design that one side that the tooth portion was kept away from to the head is fixed with T type connector, on the one hand, can make things convenient for personnel to carry out the clamping, on the other hand, because the head is close to one side and the medial surface butt of T type anchor clamps of member end, enables tensile sample and keeps the straightness at clamping in-process, and then improves the accuracy of test result.
3. The stressed piece and the rod piece end are convenient to assemble and disassemble before and after the test, so that the test time is saved, and the test cost is further saved.
Drawings
Fig. 1 is a schematic structural view of a tensile specimen in the related art.
Fig. 2 is a cross-sectional view of the tensile specimen structure of example 1 of the present application.
FIG. 3 is a cross-sectional view of a tensile specimen structure according to example 1 of the present application in another example.
Fig. 4 is a schematic structural view of the tensile specimen structure of example 2 of the present application.
Fig. 5 is a schematic structural view of the tensile specimen structure of example 3 of the present application.
Reference numerals illustrate:
11. a rod piece; 12. a rod piece end; 121. a threaded hole; 2. a force-bearing member; 21. a tooth; 22. a head; 221. a first roughened surface; 222. a second roughened surface; 23. a T-shaped connector; 231. a third roughened surface; 3. clamping jaw clamp; 4. a T-shaped clamp; 41. a T-shaped notch; 51. a main body; 52. sample end.
Detailed Description
The present application is described in further detail below in conjunction with figures 2-5.
Example 1
The embodiment of the application discloses a tensile sample structure capable of saving materials. Referring to fig. 2, the tensile specimen structure includes a rod 11 and a rod end 12 integrally formed at an end of the rod 11, and generally, the rod end 12 has a diameter larger than that of the rod 11.
The center of the rod end 12 is provided with a threaded hole 121, an opening of the threaded hole 121 faces one side of the rod end 12, which faces away from the rod 11, the aperture of the threaded hole 121 is larger than the diameter of the rod 11, and the threaded hole 121 is internally connected with the stress piece 2.
In the related art, the clamping jaw clamp 3 of the tensile testing machine is schematically shown in fig. 2, and the clamping jaw clamp 3 is closed or opened and clamped on the outer periphery of the rod end 12.
Referring to fig. 2, the force receiving member 2 includes a tooth portion 21 threadedly coupled with an inner wall of the screw hole 121 and a head portion 22 fixed to one end of the tooth portion 21, the head portion 22 having a diameter larger than that of the tooth portion 21, and in this embodiment, the head portion 22 has the same diameter as the rod end 12, and an outer circumferential surface of the head portion 22 is provided with a first roughened surface 221.
Therefore, the clamping jaw clamp 3 is arranged on the outer periphery of the rod end 12 and the head 22 so as to meet the length requirement of the clamping jaw clamp 3 to clamp, and in the process, the head 22 can replace a part of the structure of the tensile sample under stress, so that the length of the rod end 12 is reduced, and for the precious tensile sample, the material of the tensile sample is saved, and the material cost is reduced.
In this embodiment, the side of the head 22 near the rod end 12 abuts against the rod end 12, and in other embodiments, referring to fig. 3, the side of the head 22 near the rod end 12 can also not abut against the rod end 12, and the length of the tooth 21 is longer than the hole depth of the threaded hole 121, at this time, the tooth 21 can be designed longer during manufacturing, which helps to improve the applicability of the stress element 2.
The implementation principle of the tensile sample structure for saving materials in the embodiment of the application is as follows: when a tensile test is required to be performed on a tensile sample, a threaded hole 121 is formed in the center of the rod end 12, the stressed piece 2 is connected into the threaded hole 121 in a threaded manner, and finally the clamping jaw clamp 3 is used for clamping the head 22 and the outer peripheral surface of the rod end 12. The scheme of the application utilizes the stress piece 2 to replace a part of the structure of tensile sample stress, and is favorable for reducing the length of the rod piece end 12, so that the material of the tensile sample is saved, and the material cost is reduced.
Example 2
The embodiment of the present application differs from embodiment 1 in that the head 22 is structured differently, and referring to fig. 4, in this embodiment, the diameter of the head 22 is larger than the diameter of the rod end 12.
In the related art, a schematic structure of a T-shaped clamp 4 of a tensile testing machine is shown in fig. 4, and a T-shaped notch 41 is formed in the T-shaped clamp 4.
The head 22 is disposed within the T-shaped slot 41, with the head 22 abutting against the inside face of the T-shaped slot 41 on the side of the rod end 12. The head 22 is provided with a second roughened surface 222 on the side thereof adjacent the rod end 12.
This embodiment has advantages compared with embodiment 1 in that: the head 22 can be placed in the T-clamp 4 and the T-clamp 4 can be stretched to perform the test. The design is convenient for the personnel to clamp on the one hand, and on the other hand, as one side of the head 22, which is close to the rod end 12, is abutted with the inner side surface of the T-shaped notch 41, the tensile sample can be kept vertical in the clamping process, and the accuracy of the test result is improved.
Example 3
The difference between the embodiment of the present application and embodiment 1 is that the head 22 has a different structure, referring to fig. 5, in this embodiment, a T-shaped connector 23 is fixed on the side of the head 22 away from the rod end 12. The side of the T-shaped connector 23 near the rod end 12 is provided with a third rough surface 231. One side of the T-shaped connector 23, which is close to the rod end 12, is abutted against the inner side surface of the T-shaped notch 41.
This embodiment has advantages compared with embodiment 1 in that: according to the scheme, the clamping jaw clamp 3 can be used for clamping the tensile sample, the T-shaped clamp 4 can also be used for clamping the tensile sample, and the application range of the tensile sample can be improved.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (8)
1. A material-saving tensile specimen structure, characterized by: the novel hydraulic lifting device comprises a rod piece (11) and a rod piece end (12) fixed at the end part of the rod piece (11), wherein a threaded hole (121) is formed in one side, far away from the rod piece (11), of the rod piece end (12), the aperture of the threaded hole (121) is larger than the diameter of the rod piece (11), and a stressed piece (2) is connected with the threaded hole (121) in a threaded mode.
2. A material saving tensile specimen structure according to claim 1 wherein: the stress piece (2) comprises a tooth part (21) and a head part (22), wherein the tooth part (21) is in threaded connection with the hole wall of the threaded hole (121), and the head part (22) is fixed at one end, far away from the rod piece end (12), of the tooth part (21).
3. A material saving tensile specimen structure according to claim 2 wherein: the diameter of the head (22) is the same as that of the rod end (12), and the outer peripheral surface of the head (22) and the outer peripheral surface of the rod end (12) are used for being connected with a clamping jaw clamp (3) of a tensile testing machine.
4. A material saving tensile specimen structure according to claim 3 wherein: the outer peripheral surface of the head part (22) is provided with a first roughened surface (221).
5. A material saving tensile specimen structure according to claim 2 wherein: the diameter of the head (22) is larger than that of the rod end (12), and one side of the head (22) close to the rod end (12) is used for being abutted with the inner side face of the T-shaped clamp (4) of the tensile testing machine.
6. A material saving tensile specimen structure according to claim 5 wherein: a second rough surface (222) is arranged on one side of the head (22) close to the rod end (12).
7. A material saving tensile specimen structure according to claim 2 wherein: a T-shaped connector (23) is fixed on one side of the head (22) far away from the tooth part (21).
8. A material saving tensile specimen structure according to claim 7 wherein: and a third rough surface (231) is arranged on one side of the T-shaped connector (23) close to the rod end (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776583.8U CN220304979U (en) | 2023-07-07 | 2023-07-07 | Material-saving tensile sample structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321776583.8U CN220304979U (en) | 2023-07-07 | 2023-07-07 | Material-saving tensile sample structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220304979U true CN220304979U (en) | 2024-01-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321776583.8U Active CN220304979U (en) | 2023-07-07 | 2023-07-07 | Material-saving tensile sample structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220304979U (en) |
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2023
- 2023-07-07 CN CN202321776583.8U patent/CN220304979U/en active Active
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