CN219830568U - Fixing structure for tensile strength test - Google Patents
Fixing structure for tensile strength test Download PDFInfo
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- CN219830568U CN219830568U CN202320855402.4U CN202320855402U CN219830568U CN 219830568 U CN219830568 U CN 219830568U CN 202320855402 U CN202320855402 U CN 202320855402U CN 219830568 U CN219830568 U CN 219830568U
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- tensile strength
- clamping
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- block
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 20
- 230000000712 assembly Effects 0.000 abstract description 5
- 238000000429 assembly Methods 0.000 abstract description 5
- 238000009864 tensile test Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to the technical field of tensile testing, in particular to a fixing structure for tensile strength testing, which comprises a portal frame and two clamping assemblies which are symmetrically distributed, wherein the clamping assemblies comprise a mounting plate and two clamping plates which are symmetrically distributed, the clamping plates are in sliding connection with the mounting plate through connecting blocks, a bidirectional screw rod is arranged between the two connecting blocks, and two ends of the bidirectional screw rod are respectively in threaded connection with the two connecting blocks, and the fixing structure further comprises: the movable plate is used for installing the upper clamping assembly and is connected with the portal frame in a sliding manner through the rectangular block; the disc is used for installing the lower clamping assembly and the portal frame; and the lifting assembly is used for adjusting the height of the movable plate. According to the utility model, the bidirectional screw is driven to rotate by screwing the knob, so that the distance between the front and rear connecting blocks is adjusted, the clamping plate can clamp and fix the test piece while the position of the clamping plate is adjusted along with the movement of the connecting blocks, and the bidirectional screw is simple in structure, convenient to operate and convenient to save the use cost.
Description
Technical Field
The utility model relates to the technical field of tensile testing, in particular to a fixing structure for tensile strength testing.
Background
The tensile strength test refers to a test method for measuring the characteristics of a material under the condition of bearing axial tensile load, is one of basic methods for testing the mechanical properties of the material, is mainly used for testing whether the material meets the specified standard and researching the properties of the material, and needs to fix the object when the tensile strength test is carried out on a test piece.
The utility model provides a tensile test anchor clamps of publication number CN209894592U, including relative left go-between, right go-between that set up, be fixed with two horizontal guide bars between left go-between, the right go-between, the inboard of left go-between and right go-between all sliding fit has horizontal connecting rod, and the relative one end of two connecting rods all is fixed with the fixture that is located between two guide bars, and two fixture centre gripping respectively are fixed with the both ends of test piece.
The utility model ensures that the two clamping mechanisms move in a straight line by arranging the left connecting ring, the right connecting ring, the connecting rod, the guide ring and the guide rod, thereby ensuring that the force application direction of the test piece is along the axial direction of the test piece and ensuring the experimental effect.
Disclosure of Invention
To remedy the above deficiencies, the present utility model provides a fixed structure for tensile strength testing.
The technical scheme of the utility model is as follows:
the utility model provides a fixed knot of tensile strength test constructs, includes portal frame and two symmetric distribution's clamping component, the clamping component includes mounting panel and two symmetric distribution's grip block, the grip block pass through the joint piece with mounting panel sliding connection, two be equipped with bi-directional screw jointly between the joint piece, bi-directional screw's both ends respectively with two joint piece threaded connection still includes:
the movable plate is used for installing the clamping assembly on the upper side and is connected with the portal frame in a sliding manner through a rectangular block;
a disc for mounting the clamping assembly and the gantry on the underside;
and the lifting assembly is used for adjusting the height of the movable plate.
As the preferable technical scheme, the outer wall of the mounting plate is provided with a chute which is in sliding connection with the connecting block, the end part of the bidirectional screw rod is rotationally connected with the inner wall of the end part of the chute, and one end of the bidirectional screw rod penetrates through the inner wall of the mounting plate and is provided with a knob.
As the preferable technical scheme, the clamping plate is close to one side of the mounting plate and is positioned on the left side and the right side of the connecting block, symmetrically distributed limiting blocks are arranged on the left side and the right side of the connecting block, and the outer diameter of the bottom end of each limiting block is larger than the outer diameter of the top end of each limiting block.
As the preferable technical scheme, a base is arranged below the disc, and the disc is rotationally connected with the base.
As the preferable technical scheme, the lateral wall of portal frame offer with rectangular piece sliding connection's removal groove, the front side of portal frame is equipped with and is used for the upside the dipperstick that the centre gripping subassembly moved the distance and provides the reference.
As the preferable technical scheme, the rectangular blocks are provided with two unidirectional screws and servo motors, the two unidirectional screws are symmetrically distributed on the left side and the right side of the movable plate, and the lifting assembly comprises one unidirectional screw and one servo motor which are in threaded connection with one rectangular block.
As an optimal technical scheme, the end part of the unidirectional screw rod is rotationally connected with the inner wall of the end part of the unidirectional screw rod corresponding to the movable groove, and a guide rod is arranged in the other movable groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, the bidirectional screw is driven to rotate by screwing the knob to realize the adjustment of the distance between the front and rear connecting blocks, so that the clamping plate can clamp and fix the test piece while realizing the position adjustment along with the movement of the connecting blocks, and the device has the advantages of simple structure, convenience in operation and convenience in use cost saving;
2. according to the utility model, the measuring ruler is arranged on the front side of the portal frame, so that a reference basis is provided for the moving distance of the test piece in the tensile test, and the convenience in use is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a part of a gantry in the present utility model;
FIG. 3 is a second schematic view of a part of a gantry of the present utility model after being cut;
FIG. 4 is a schematic view of a portion of the structure of the present utility model;
FIG. 5 is a schematic view of a clamping assembly of the present utility model with a mounting plate cut away;
FIG. 6 is a second schematic view of a portion of the present utility model.
The meaning of each reference numeral in the figures is:
1. a portal frame; 11. a measuring ruler; 12. a servo motor; 13. a moving groove; 131. a unidirectional screw; 132. a guide rod;
2. a clamping assembly; 21. a mounting plate; 22. a clamping plate; 221. a joint block; 222. a limiting block; 23. a bidirectional screw; 231. a knob;
3. a moving plate; 31. rectangular blocks;
4. a disc;
5. and (5) a base.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the present utility model provides the following technical solutions:
the fixing structure for tensile strength test comprises a portal frame 1 and two symmetrically distributed clamping assemblies 2, wherein each clamping assembly 2 comprises a mounting plate 21 and two symmetrically distributed clamping plates 22, each clamping plate 22 is in sliding connection with the mounting plate 21 through one connecting block 221, a bidirectional screw 23 is arranged between the two connecting blocks 221, and two ends of each bidirectional screw 23 are respectively in threaded connection with the two connecting blocks 221;
further, a sliding groove which is in sliding connection with the connecting blocks 221 is formed in the outer wall of the mounting plate 21, the end part of the bidirectional screw rod 23 is rotationally connected with the inner wall of the end part of the sliding groove, one end of the bidirectional screw rod 23 penetrates through the inner wall of the mounting plate 21 and is provided with a knob 231, the bidirectional screw rod 23 is rotated by screwing the knob 231, and then the two connecting blocks 221 which are in threaded connection with the two ends of the bidirectional screw rod 23 synchronously and reversely move in the sliding groove along the axial direction of the bidirectional screw rod 23, so that the distance between the two connecting blocks 221 is adjusted;
it should be added that, the clamping plate 22 is close to one side of the mounting plate 21 and the left and right sides of the connecting block 221 are provided with symmetrically distributed limiting blocks 222, the outer diameter of the bottom end of each limiting block 222 is larger than the outer diameter of the top end of each limiting block 222, the top end of each limiting block 222 is in a cylindrical shape, the bottom end of each limiting block 222 is in a spherical shape, and each limiting block 222 is in sliding connection with the corresponding mounting plate 21, so that the clamping plate 22 can be limited by the moving track of each limiting block 222 when moving, and the clamping stability of the component for testing tensile strength is prevented from being influenced due to the deviation of the clamping plate 22 when the position is adjusted;
further comprises: the movable plate 3 is used for installing the upper clamping assembly 2, the movable plate 3 is in sliding connection with the portal frame 1 through a rectangular block 31, a movable groove 13 which is in sliding connection with the rectangular block 31 is formed in the side wall of the portal frame 1, the rectangular block 31 can conveniently move up and down in the corresponding movable groove 13, and a measuring scale 11 which is used for providing reference for the moving distance of the upper clamping assembly 2 is arranged on the front side of the portal frame 1;
the disc 4 is used for installing the lower clamping assembly 2 and the portal frame 1, the base 5 is arranged below the disc 4, the disc 4 is rotationally connected with the base 5, the angle of the portal frame 1 and other parts can be conveniently adjusted, and the anti-slip gasket is arranged at the bottom of the base 5 and used for enhancing the friction resistance between the base 5 and the ground or the table top;
the lifting assembly is used for adjusting the height of the movable plate 3, two rectangular blocks 31 are symmetrically distributed on the left side and the right side of the movable plate 3, the lifting assembly comprises a unidirectional screw 131 and a servo motor 12, the unidirectional screw 131 is in threaded connection with one rectangular block 31, the end part of the unidirectional screw 131 is in rotary connection with the inner wall of the end part of the corresponding movable groove 13, and a guide rod 132 is arranged in the other movable groove 13;
further, the top end of the unidirectional screw 131 passes through the inner wall of the portal frame 1 and is coaxially connected with the output shaft of the servo motor 12, as is well known to those skilled in the art, the servo motor 12 drives the unidirectional screw 131 to rotate after being powered, the guide rod 132 is slidably connected with the corresponding rectangular block 31, and the end of the guide rod 132 is fixedly connected with the inner wall of the end of the corresponding moving slot 13.
It should be added that when the rectangular block 31 is located at the bottom end of the moving groove 13, the corresponding sides of the upper and lower clamping plates 22 are attached.
When the fixing structure for tensile strength test is used, a test piece is placed between two clamping assemblies 2, then the distance between two clamping plates 22 at the lower side is adjusted, firstly, a knob 231 is screwed and drives a bidirectional screw 23 to rotate, so that two connecting blocks 221 which are in threaded connection with two ends of the bidirectional screw 23 synchronously and reversely move along the axial direction of the bidirectional screw 23, and the connecting blocks 221 move and drive the clamping plates 22 corresponding to the connecting blocks to move, so that the clamping plates 22 move towards one side of an object needing tensile strength detection continuously, and further, the distance between the two clamping plates 22 is adjusted and clamping and fixing of the test piece are realized;
then according to the length of the test piece, the height of the movable plate 3 is adjusted through the lifting assembly, so that the movable plate 3 drives the upper clamping assembly 2 to adjust the position, then the top end of the test piece is clamped and fixed in the same way, and then a reference basis is provided for the length of the test piece through the measuring ruler 11;
then, the servo motor 12 drives the unidirectional screw 131 to rotate, so that one rectangular block 31 in threaded connection with the unidirectional screw 131 moves upwards in the corresponding moving groove 13 along the axial direction of the unidirectional screw 131, meanwhile, the other rectangular block 31 moves upwards in the corresponding moving groove 13 along the axial direction of the guide rod 132, the rectangular block 31 moves and drives the moving plate 3 and the upper clamping assembly 2 to synchronously move, the distance between the two clamping assemblies 2 is adjusted, the test piece is stretched, and then the data on the measuring scale 11 corresponding to the upper clamping assembly 2 is read after the test piece is broken.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. Fixed knot of tensile strength test constructs, including portal frame (1) and two symmetrical distribution's clamping component (2), its characterized in that: clamping assembly (2) are including mounting panel (21) and two symmetrically distributed's grip block (22), grip block (22) pass through joint piece (221) with mounting panel (21) sliding connection, two be equipped with bi-directional screw (23) jointly between joint piece (221), the both ends of bi-directional screw (23) respectively with two joint piece (221) threaded connection still includes:
a moving plate (3) for installing the clamping assembly (2) on the upper side, wherein the moving plate (3) is in sliding connection with the portal frame (1) through a rectangular block (31);
a disc (4) for mounting the clamping assembly (2) and the portal frame (1) on the lower side;
and the lifting assembly is used for adjusting the height of the movable plate (3).
2. The tensile strength testing fixture of claim 1, wherein: the outer wall of the mounting plate (21) is provided with a sliding groove which is in sliding connection with the connecting block (221), the end part of the bidirectional screw rod (23) is rotationally connected with the inner wall of the end part of the sliding groove, and one end of the bidirectional screw rod (23) penetrates through the inner wall of the mounting plate (21) and is provided with a knob (231).
3. The tensile strength testing fixture of claim 1, wherein: the clamping plate (22) is close to one side of the mounting plate (21) and is positioned on the left side and the right side of the connecting block (221), symmetrically distributed limiting blocks (222) are arranged, and the outer diameter of the bottom end of each limiting block (222) is larger than the outer diameter of the top end of each limiting block.
4. The tensile strength testing fixture of claim 1, wherein: a base (5) is arranged below the disc (4), and the disc (4) is rotationally connected with the base (5).
5. The tensile strength testing fixture of claim 1, wherein: the side wall of the portal frame (1) is provided with a moving groove (13) which is in sliding connection with the rectangular block (31), and the front side of the portal frame (1) is provided with a measuring ruler (11) which is used for providing reference for the moving distance of the clamping assembly (2) at the upper side.
6. The tensile strength testing fixture of claim 5, wherein: the rectangular blocks (31) are provided with two unidirectional screws (131) and a servo motor (12), the two unidirectional screws are symmetrically distributed on the left side and the right side of the movable plate (3), and the lifting assembly comprises one unidirectional screw (131) and a servo motor (12) which are in threaded connection with one rectangular block (31).
7. The tensile strength testing fixture of claim 6, wherein: the end part of the unidirectional screw rod (131) is rotationally connected with the inner wall of the end part of the corresponding movable groove (13), and a guide rod (132) is arranged in the other movable groove (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320855402.4U CN219830568U (en) | 2023-04-17 | 2023-04-17 | Fixing structure for tensile strength test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320855402.4U CN219830568U (en) | 2023-04-17 | 2023-04-17 | Fixing structure for tensile strength test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219830568U true CN219830568U (en) | 2023-10-13 |
Family
ID=88282981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320855402.4U Active CN219830568U (en) | 2023-04-17 | 2023-04-17 | Fixing structure for tensile strength test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219830568U (en) |
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2023
- 2023-04-17 CN CN202320855402.4U patent/CN219830568U/en active Active
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