CN218524463U - Clamping assembly for tensile test of steel plate in thickness direction - Google Patents
Clamping assembly for tensile test of steel plate in thickness direction Download PDFInfo
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- CN218524463U CN218524463U CN202221851385.9U CN202221851385U CN218524463U CN 218524463 U CN218524463 U CN 218524463U CN 202221851385 U CN202221851385 U CN 202221851385U CN 218524463 U CN218524463 U CN 218524463U
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Abstract
The utility model discloses a steel sheet thickness direction tensile test centre gripping subassembly relates to steel sheet tensile test technical field, include: a clamp body; one end of the clamp body is a connecting part, and the other end of the clamp body is a clamping part; the clamping part is used for clamping a steel plate sample; the connecting part is used for connecting a universal testing machine; a clamping assembly; the clamping component is detachably arranged on the clamping part and is used for fastening and connecting the steel plate sample to the clamp body. Clamping portion can be connected through connecting portion and universal tester behind the clamping steel sheet sample and carry out tensile test, and the subassembly can be connected steel sheet sample and clamping portion fastening to the card is held, increases the stress surface of steel sheet sample, guarantees steel sheet sample tensile test's stability and goes on.
Description
Technical Field
The utility model relates to a steel sheet tensile test technical field especially relates to a steel sheet thickness direction tensile test centre gripping subassembly.
Background
The steel used for the high-rise steel structure is formed by hot rolling, and the hot rolling can destroy the casting structure of a steel ingot and refine the crystal grains of the steel; non-metallic impurities (mainly sulfides, oxides, silicates, etc.) inside the steel are rolled to form thin sheets, which remain in the steel sheet, generally parallel to the surface of the steel sheet, causing a delamination phenomenon of the steel sheet, and such a non-metallic interlayer phenomenon deteriorates the tensile properties of the steel in the thickness direction, so that a tensile test in the thickness direction of the steel is required.
Because the thickness of the steel used is not less than 40mm, when a tensile test is carried out after sampling, the length of 40mm is difficult to clamp on a universal testing machine for carrying out the tensile test because the thickness of the steel is changed into the length in the tensile direction; the utility model patent for CN209559635U discloses a steel sheet thickness direction tensile test anchor clamps, through setting up the fixture body, the other end of fixture body is joint portion, has seted up dress appearance groove in the joint portion, and the tip phase-match of dress appearance groove and steel sheet sample, dress appearance groove are used for the fixed steel sheet sample of joint. Can fix the steel sheet sample on the testing machine, realize the tensile test of steel sheet sample thickness direction, after the tensile test is accomplished, can take off the steel sheet sample from fixture, this patent is when carrying out tensile test, the steel sheet sample is processed to "worker" font, when the steel sheet sample is stretched with dress appearance groove connection back, the experimental stress end of steel sheet is the terminal surface of both ends that the steel sheet sample is relative only, the side of the mid portion of steel sheet sample and steel sheet sample both ends end is all not centre gripping, the stress surface is single, the both ends of atress do not bear the tensile easily and damage in tensile test, make the tensile test of steel sheet sample difficult to carry out.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel sheet thickness direction tensile test centre gripping subassembly for the centre gripping is stable inadequately when solving and doing tensile test to the steel sheet sample centre gripping at the steel sheet sample along the thickness direction, and the stress surface is single and be difficult to carry out tensile sample's problem.
In order to achieve the above object, the utility model provides a steel sheet thickness direction tensile test centre gripping subassembly, include:
a clamp body; one end of the clamp body is a connecting part, and the other end of the clamp body is a clamping part; the clamping part is used for clamping a steel plate sample; the connecting part is used for connecting a universal testing machine;
a clamping assembly; the clamping component is detachably arranged on the clamping part and is used for fastening and connecting the steel plate sample to the clamp body.
Further, the clamping part is a groove arranged on the clamp body; a clamping plate is arranged between the groove and the end face of the clamping part far away from the connecting part; and the clamping plate is provided with a clamping groove.
Furthermore, the thickness of the clamping plate is 5mm-8 mm.
Furthermore, the clamping component comprises a sample neck clamping part and a sample head clamping part; the sample neck clamping part is arranged at the neck part of the clamping groove and used for clamping the steel plate sample; the sample head clamping part is arranged at the end part of the groove for clamping the steel plate sample.
Further, the sample neck clamping part comprises a connecting block, a clamping plate and a connecting stud; the clamping plate is arranged on the connecting block and then matched with the clamping groove; the connecting block is matched with the groove; the connecting stud penetrates through the connecting block and is in threaded connection with the connecting block, and one end of the connecting stud penetrates through the connecting block and is in threaded connection with the clamp body.
Further, the sample head clamping part comprises a clamping plate and a clamping stud; the clamping plate is arranged in the groove and is in contact connection with the clamping plate; the clamping studs penetrate through the clamp body and enter the grooves, the clamping studs are in threaded connection with the spacing body, and one ends of the clamping studs, which enter the grooves, are rotatably connected with the clamping plates.
The beneficial effects of the utility model are embodied in:
through setting up connecting portion, clamping portion, card and holding the subassembly, the clamping portion can be connected through connecting portion and universal tester behind the clamping steel sheet sample and carry out tensile test, and the subassembly is held to the card can be connected steel sheet sample and clamping portion fastening, increases the stress surface of steel sheet sample, guarantees going on of steel sheet sample tensile test's stability.
Drawings
Fig. 1 is a schematic structural view of a clamp body of a clamping assembly for a tensile test in a thickness direction of a steel plate according to the present invention;
FIG. 2 is a schematic structural view of the clamping plate of the clamping assembly for a steel plate thickness direction tensile test of the present invention after being connected with the clamp body;
FIG. 3 is a schematic view of a sample neck clamping portion of a clamping assembly for a tensile test in a steel plate thickness direction according to the present invention;
fig. 4 is a schematic view of a sample head clamping part structure of a clamping assembly for a steel plate thickness direction tensile test of the present invention;
fig. 5 is a schematic structural diagram of a steel plate sample of the clamping assembly for a steel plate thickness direction tensile test according to the present invention;
description of reference numerals:
1. a clamp body; 101. a connecting portion; 102. a clamping part; 103. installing a clamping plate; 104. clamping grooves; 2. a sample neck retaining portion; 201. connecting blocks; 202. a clamping plate; 203. connecting a stud; 301. clamping the stud; 302. a clamping plate; 4. a steel plate sample; 401. a neck portion; 402. an end portion;
Detailed Description
In one embodiment, referring to fig. 1-4, the present invention provides a clamping assembly for a steel plate thickness direction tensile test, comprising:
a clamp body 1; one end of the clamp body 1 is a connecting part 101, and the other end is a clamping part 102; the clamping part 102 is used for clamping a steel plate sample 4; the connecting part 101 is used for connecting a universal testing machine;
a clamping assembly; the clamping component is detachably arranged on the clamping part 102 and is used for tightly connecting the steel plate sample 4 to the clamp body 1.
In the tensile test of steel sheet thickness direction, because the thickness of steel sheet is less, generally be more than 40mm or 40mm, to 40 mm's steel sheet tensile test, be difficult to direct centre gripping and carry out tensile test on universal tester, in the utility model discloses, through processing steel sheet sample 4 into "worker" font, arrange steel sheet sample 4 in clamping portion 102, and use the card to hold subassembly with the neck 401 of steel sheet sample 4, tip 402 centre gripping, the atress position of steel sheet sample 4 when tensile be the neck 401 of steel sheet sample 4, tip 402 is towards the terminal surface of clamping portion 102, the side of tip 402, increase the atress face of steel sheet sample 4 tensile in-process, guarantee tensile in-process steel sheet sample 4 and anchor clamps body 1 stable connection, and the tensile force dispersion that receives steel sheet sample 4 when exerting the tensile force, avoid concentrating on the tip 402 of steel sheet sample 4 towards the terminal surface of clamping portion 102, thereby avoid in-process steel sheet sample 4's tip 402 atress too big and damage, influence the going on of test, install steel sheet sample 4 and use the card to hold subassembly clamping portion 102 and pass through the tensile test connecting portion 101 with universal tester.
In one embodiment, referring to fig. 1 or 4, the clamping portion 102 is a groove disposed on the clamp body 1; a clamping plate 103 is arranged between the groove and the end face of the clamping part 102 far away from the connecting part 101; the clamping plate 103 is provided with a clamping groove 104, when a steel plate sample 4 is clamped, the end 402 of the steel plate sample 4 is arranged in the groove, the steel plate sample 4 is arranged in the clamping groove 104, two groups of clamp bodies 1 are used for connecting two ends of the steel plate sample 4 respectively, the clamping assembly is used for clamping the steel plate sample 4, the neck 401 of the steel plate sample 4 is clamped by the clamping groove 104 towards the side face of the clamping groove 104 and the clamping assembly, the end faces of the two ends of the steel plate sample 4 opposite to the end faces of the clamping plate 103 abut against each other, and the clamping assembly clamps the side face of the end of the steel plate sample 4, so that the stress surface of the steel plate sample 4 is increased.
In an embodiment, as shown in fig. 1 or 4, the thickness of the clamping plate 103 is between 5mm and 8mm, because the length of the steel plate sample 4 is short, for the steel plate sample 4 with the thickness of 40mm, the thickness of the head end of the steel plate sample 4 can be processed to 10mm, the length between the head ends of the steel plate sample 4 is 20mm, after the steel plate sample 4 is connected with the clamping plate 103, the thickness of the clamping plate 103 can be 6mm, the length of the steel plate sample 4 between the clamping plates 103 is 8mm, the diameter of the end part 402 of the steel plate sample 4 is processed to be twice the diameter of the middle part of the steel plate sample 4, and the sizes can be determined before sampling, so that the contact area between the opposite end surfaces of the two ends of the steel plate sample 4 and the end surface of the clamping plate 103 is increased, and the tensile sample is convenient to perform.
In one embodiment, referring to fig. 2, 3, 4, the clamping assembly comprises a sample neck clamp 2, a sample head clamp; the sample neck clamping part 2 is arranged at the neck part 401 in the clamping groove 104 and used for clamping the steel plate sample 4; the sample head clamping part is arranged in the groove and used for clamping the end part 402 of the steel plate sample 4, the sample neck clamping part 2 is matched with the inner end face of the clamping groove 104 and can clamp the part (the neck part 401 of the steel plate sample 4) of the steel plate sample 4 in the clamping groove 104, and the sample head clamping part can clamp the side face of the end part 402 of the steel plate sample 4, so that the stress surface of the steel plate sample 4 during clamping is increased.
In one embodiment, referring to FIG. 3, the sample neck holder 2 comprises a connection block 201, a holding plate 202, a connection stud 203; the clamping plate 202 is arranged on the connecting block 201 and then matched with the clamping groove 104; the connecting block 201 is matched with the groove; the connecting stud 203 penetrates through the connecting block 201 and is in threaded connection with the connecting block 201, and one end, penetrating through the connecting block 201, of the connecting stud 203 is in threaded connection with the clamp body 1; after the steel plate sample 4 is placed into the clamping groove 104, the end face opposite to the end 402 of the steel plate sample 4 is attached to the clamping plate 103, the clamping plate 202 is placed into the clamping groove 104 and is connected with the clamp body 1 through the connecting stud 203, the connecting stud 203 pushes the connecting block 201 to move towards the groove, so that the clamping plate 202 moves towards the neck 401 of the steel plate sample 4, the clamping plate 202 is matched with the inner wall of the clamping groove 104 to clamp the neck 401 of the steel plate sample 4, after the clamping plate 202 enters the clamping groove 104, the condition that a gap exists when the clamping plate 103 is attached to the end face opposite to the steel plate sample 4 due to the arrangement of the clamping groove 104 can be compensated, and the whole stress of the end face opposite to the steel plate sample 4 is enabled.
In one embodiment, referring to fig. 4, the sample head holder comprises a clamping plate 302, a clamping stud 301; the clamping plate 302 is arranged in the groove and is in contact connection with the clamping plate 103; the clamping stud 301 penetrates through the clamp body 1 and enters the groove, the clamping stud 301 is in threaded connection with the spacing body, and one end, entering the groove, of the clamping stud 301 is rotatably connected with the clamping plate 302; after the neck 401 of the steel plate sample 4 is clamped, the clamping stud 301 is rotated to push the clamping plate 302 to move towards the end 402 of the steel plate sample 4, the clamping plate 302 is matched with the side surface of the end 402 of the steel plate sample 4 to clamp the end 402 of the steel plate sample 4, and the clamping surface of the steel plate sample 4 is increased.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a steel sheet thickness direction tensile test centre gripping subassembly which characterized in that includes:
a clamp body (1); one end of the clamp body (1) is a connecting part (101), and the other end of the clamp body is a clamping part (102); the clamping part (102) is used for clamping a steel plate sample (4); the connecting part (101) is used for connecting a universal testing machine;
a chucking assembly; the clamping component is detachably arranged on the clamping part (102) and is used for tightly connecting the steel plate sample (4) to the clamp body (1).
2. The clamping assembly for the thickness direction tensile test of the steel plate according to claim 1, wherein: the clamping part (102) is a groove arranged on the clamp body (1); a clamping plate (103) is arranged between the groove and the end face of the clamping part (102) far away from the connecting part (101); and a clamping groove (104) is formed in the clamping plate (103).
3. The clamping assembly for the thickness direction tensile test of the steel plate according to claim 2, wherein: the thickness of the clamping plate (103) is between 5mm and 8 mm.
4. The clamping assembly for the thickness direction tensile test of the steel plate according to claim 2, wherein: the clamping component comprises a sample neck clamping part (2) and a sample head clamping part; the sample neck clamping part (2) is arranged on a neck part (401) which is arranged in the clamping groove (104) and used for clamping the steel plate sample (4); the sample head clamping part is arranged at the end part (402) of the steel plate sample (4) in the groove.
5. The clamping assembly for the thickness direction tensile test of the steel plate according to claim 4, characterized in that: the sample neck clamping part (2) comprises a connecting block (201), a clamping plate (202) and a connecting stud (203); the clamping plate (202) is arranged on the connecting block (201) and then is matched with the clamping groove (104); the connecting block (201) is matched with the groove; the connecting stud (203) penetrates through the connecting block (201) and is in threaded connection with the connecting block (201), and one end, penetrating through the connecting block (201), of the connecting stud (203) is in threaded connection with the clamp body (1).
6. The clamping assembly for the thickness direction tensile test of the steel plate according to claim 4, characterized in that: the sample head clamping part comprises a clamping plate (302) and a clamping stud (301); the clamping plate (302) is arranged in the groove and is in contact connection with the clamping plate (103); the clamping stud (301) penetrates through the clamp body (1) and enters the groove, the clamping stud (301) is in threaded connection with the spacing body, and one end, entering the groove, of the clamping stud (301) is rotatably connected with the clamping plate (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851385.9U CN218524463U (en) | 2022-07-18 | 2022-07-18 | Clamping assembly for tensile test of steel plate in thickness direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221851385.9U CN218524463U (en) | 2022-07-18 | 2022-07-18 | Clamping assembly for tensile test of steel plate in thickness direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218524463U true CN218524463U (en) | 2023-02-24 |
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ID=85243096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221851385.9U Active CN218524463U (en) | 2022-07-18 | 2022-07-18 | Clamping assembly for tensile test of steel plate in thickness direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218524463U (en) |
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2022
- 2022-07-18 CN CN202221851385.9U patent/CN218524463U/en active Active
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