CN220305001U - Clamp for tensile strength detection device - Google Patents
Clamp for tensile strength detection device Download PDFInfo
- Publication number
- CN220305001U CN220305001U CN202321888878.4U CN202321888878U CN220305001U CN 220305001 U CN220305001 U CN 220305001U CN 202321888878 U CN202321888878 U CN 202321888878U CN 220305001 U CN220305001 U CN 220305001U
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- clamping plate
- grip block
- tensile strength
- clamping
- integrated
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- 238000001514 detection method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000012360 testing method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 12
- 238000009864 tensile test Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
Abstract
The application relates to a fixture for tensile strength detection device belongs to the technical field of electromechanical engineering construction, and it includes dynamics adjusting device, two grip block supports and two pairs of integral type grip block, and two limit upward extensions that each grip block support is on a parallel with tensile direction are fixed with the grip block support, and a pair of grip block is symmetrical connection about one respectively on a grip block support and can reciprocate on the grip block support, and dynamics adjusting device is used for adjusting the upper and lower relative position of a pair of grip block and to the clamping force of detecting material, and this application has the effect that can avoid tensile test in-process anchor clamps to take place to warp, improves tensile anchor clamps's reliability.
Description
Technical Field
The application relates to the technical field of tensile strength testing devices, in particular to a clamp for a tensile strength testing device.
Background
When the performance of the building section made of the polyethylene material is detected, the tensile performance of the building section is required to be analyzed, when the tensile performance of the section is tested, a tensile clamp can be used, a sample is placed between the two tensile clamps, two ends of the section are respectively fixed by a strip penetrating force-bearing rod in the two clamps, and when the two clamps move in opposite directions, the sample of the section is stretched, so that the tensile performance of the section can be tested. Currently, the clamps in the prior art generally consist of a transverse rod bearing a tensile force and a clamp body, wherein the transverse rod and the clamp body are connected through bolts or pins, and the connecting part is formed at the connecting part of the bearing transverse rod and the clamp body. For the related art, because the clamp in the prior art is connected by the bearing cross rod and the clamp body in a combined way, when the tensile force is gradually increased, the connecting part between the combined structures can bear larger tensile force, and the defect that the connecting part deforms and the reliability of the stretching clamp is reduced exists.
Disclosure of Invention
In order to avoid deformation of the clamp in the tensile test process and improve the reliability of the tensile clamp, the application provides a clamp for a tensile strength detection device.
The application provides a tensile strength is anchor clamps for detection device adopts following technical scheme:
the utility model provides a tensile strength is anchor clamps for detection device, includes dynamics adjusting device, two grip block supports and two pairs of integral type grip block, each the grip block support is on a parallel with the tensile direction two limit upward extension be fixed with the grip block support, a pair of the grip block respectively one about symmetry connect in on the grip block support and can the grip block support reciprocates, dynamics adjusting device is used for adjusting a pair of the upper and lower relative position of grip block and to the clamping dynamics of detecting the material.
Through adopting above-mentioned technical scheme, adopt integral type grip block, through the removal and the clamping force of the integral type grip block of dynamics adjusting device control upper and lower symmetry setting on the grip block support to realize treating the tight fixed of clamp of tensile section bar, integral type grip block has omitted the combination connection of force-bearing rod and anchor clamps body, avoids anchor clamps body and force-bearing rod's junction to take place to warp in the tensile test process, thereby has improved tensile fixture's reliability.
Optionally, the clamping surface of each integrated clamping plate is provided with a corrugated groove, and the corrugated grooves of the upper and lower integrated clamping plates fixed on one clamping plate bracket are engaged.
Through adopting above-mentioned technical scheme, with the frictional force that increases the centre gripping between the corrugated groove of the meshing of integral type grip block looks with the material that waits to stretch, make the material that waits to stretch by the more firm of centre gripping.
Optionally, a rubber pad is fixedly arranged at one end, close to the stretching position of the material, of the clamping surface of each integrated clamping plate.
Through adopting above-mentioned technical scheme, rubber pad and waiting to stretch material contact prevent that integral type grip block surface from having sharp uneven rough surface direct and stretching material contact to cause stress concentration to influence test result.
Optionally, cross corrugations are arranged on the surface of the rubber pad.
Through adopting above-mentioned technical scheme, rubber pad surface sets up the cross check, has increased the frictional force between integral type grip block and the material that waits to stretch, further prevents the material slippage from anchor clamps in the tensile process.
Optionally, a tension connecting portion for connecting with a tension traction device for providing tension is fixedly arranged at one end, far away from the material stretching position, of each integrated clamping plate.
By adopting the technical scheme, the tension traction device applies tension to the clamped measured material through the tension connecting part, and applies tension from two opposite directions, so as to achieve the aim of detection.
Optionally, the fixed connection block portion that is used for with grip block leg joint that is provided with of integral type grip block, the grip block leg is last with the position of integral type grip block connection has been seted up and has been adjusted the position groove, connect the block portion movably connect in the position groove.
Through adopting above-mentioned technical scheme, the connection block portion of integral type grip block forms sliding connection with the positioning groove block of grip block support, and the relative position between two upper and lower integral type grip blocks is adjusted along the adjustment tank removal to integral type grip block.
Optionally, the force adjusting device comprises a pressure sensor fixed on the integrated clamping plate and a pressing device in communication connection with the pressure sensor.
Through adopting above-mentioned technical scheme, through the clamping force of pressure sensor perception integral type grip block to tensile material, pressure sensor transmits the perception signal to pressure applying device carries out the centre gripping to integral type grip block and presses and adjusts.
Optionally, the device further comprises a limiting device, wherein the limiting device comprises two limiting guide rails arranged in the stretching direction, and a guide rail female groove used for being in sliding connection with the guide rail is arranged on the clamping plate support.
Through adopting above-mentioned technical scheme, the grip block support removes along the guide rail in the tensile in-process and stretches the material on the orbit route of predetermineeing, prevents that the skew from appearing in the tensile in-process from leading to experimental failure.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the integrated clamping plate is adopted, and the force adjusting device is used for controlling the movement and clamping force of the integrated clamping plate which is vertically symmetrically arranged on the clamping plate support, so that the clamping and fixing of the section bar to be stretched are realized, the integrated clamping plate omits the combined connection of the bearing rod and the clamp body, the deformation of the connecting part of the clamp body and the bearing rod in the tensile test process is avoided, and the reliability of the stretching clamp is improved;
2. the material to be stretched is clamped between the corrugated grooves meshed with the integrated clamping plates, so that the clamping friction force is increased, and the material to be stretched is clamped more firmly;
3. the rubber pad is contacted with the material to be stretched to prevent the sharp uneven rough surface on the surface of the integrated clamping plate from being directly contacted with the stretching material to cause stress concentration, thereby influencing the test result.
Drawings
FIG. 1 is a schematic view of a first embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a first embodiment of the present application;
FIG. 3 is a schematic diagram of an embodiment integrated clamp plate structure;
FIG. 4 is a schematic view of a second group of clamping devices according to the embodiment;
in the figure, 1, a clamping plate support; 101. a clamping plate bracket; 1011. a positioning groove; 102. a positioning column; 2. an integral clamping plate; 201. corrugated grooves; 202. a rubber pad; 203. a tension connecting part; 204. a screw; 2041. a nut; 205. a top plate; 3. a track; 4. and a pressing device.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-3.
Embodiment one:
the embodiment of the application discloses a fixture for a tensile strength detection device.
Referring to fig. 1, a clamp for a tensile strength detecting device includes a force adjusting device, two clamping plate holders 1, two pairs of integrated clamping plates 2 and a limiting device, the limiting device includes two limiting rails arranged in a tensile direction, two sides of the clamping plate holders 1 along the tensile direction are respectively provided with a rail female groove, the rail female groove is slidably connected with the rail, the rail female groove is stretched along the rail direction in a stretching process, the clamping plate holders 101 are fixedly arranged on the upper surfaces of the two clamping plate holders 1 along the two sides of the tensile direction in an upward extending manner, vertical adjusting grooves are formed on the clamping plate holders 101, connecting clamping parts are fixedly arranged at the connecting parts of the integrated clamping plates 2 and the clamping plate holders 101, the connecting clamping parts include a screw 204 penetrating through the integrated clamping plates 2 and nuts 2041 sleeved at two ends of the screw 204, the pair of integrated clamping plates 2 are respectively and vertically symmetrically connected on the adjusting groove of one clamping plate bracket 101 through the connecting and clamping part, and can move up and down along the adjusting groove of the clamping plate bracket 101, the force adjusting device comprises a pressure sensor and a pressing device 4, the pressure sensor is arranged on the clamping surface of the integrated clamping plate 2, the pressure sensor is in communication connection with the pressing device 4, the pressure sensor senses the clamping force between the integrated clamping plates 2 and transmits sensing signals to the pressing device 4, the pressing device 4 is a cylinder, the pressing device 4 presses and adjusts the clamping force of the integrated clamping plates 2 according to the signals, one end of the integrated clamping plates 2 far away from the stretching position of the material is fixedly provided with a tension connecting part 203, external force applies tension to the stretching material through the tension connecting part 203, and a stretching test is completed, the clamp adopts the integrated clamping plate 2 in the process, so that the deformation of the connecting part of the clamp body and the bearing rod in the tensile test process is avoided, and the reliability of the tensile clamp is improved.
Referring to fig. 2 and 3, the clamping surfaces of two integrated clamping plates 2 which are vertically symmetrically arranged on one clamping plate bracket 101 are respectively provided with corrugated grooves 201 which are meshed with each other, one end which is close to the stretching position of the material is fixedly provided with a rubber pad 202 with cross check lines on the surface, the friction force of the integrated clamping plates 2 to the stretching material is increased by the corrugated grooves 201 which are meshed with each other, the friction force of the integrated clamping plates 2 and the stretching material is further increased while the influence of concentrated stress is eliminated by the arrangement of the rubber pad 202, and the test result is effectively prevented from being influenced by the falling of the stretching material from the clamp in the stretching process.
The implementation principle of the clamp for the tensile strength detection device in the embodiment of the application is as follows: the two ends of the tensile material are respectively arranged between the two pairs of integrated clamping plates 2 which are vertically symmetrically arranged, the starting force adjusting device adjusts proper clamping force to clamp the tensile material, nuts 2041 which are screwed at the two ends of the screw 204 of the clamping part fix the integrated clamping plates 2 with the clamping plate supports 1, the tensile traction device is started, and the two clamping plate supports 1 move in opposite directions along the guide rail under the action of the tensile traction device, so that the tensile test of the tensile material is realized.
Embodiment two:
referring to fig. 4, the second embodiment of the present application is different from the first embodiment in that the integral clamping plate 2 is triangular, the clamping plate support 101 is replaced by two positioning columns 102, the positioning slots 1011 are not provided on the positioning columns 102, the connecting and clamping portions are not provided on the clamping plate 2 during the integral process, the top end of the positioning column 102 is fixedly connected with the top plate 205, through holes are provided on the integral clamping plate 2, the positioning columns 102 penetrate through the through holes, the integral clamping plate 2 can move up and down along the positioning columns 102, the lower end of the positioning column 102 is fixedly connected on the clamping plate support 1, the pressing device 4 is specifically a cylinder, the free end of the cylinder is fixedly connected with the lower integral clamping plate 2, and the bottom of the cylinder is fixedly connected with the upper surface of the clamping plate support 1.
The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this 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. The utility model provides a tensile strength is anchor clamps for detection device, includes dynamics adjusting device, two grip block supports (1) and two pairs of integral type grip block (2), its characterized in that: two edges of each clamping plate support (1) parallel to the stretching direction extend upwards to be fixedly provided with clamping plate supports (101), a pair of clamping plates are respectively and symmetrically connected to one clamping plate support (101) up and down and can move up and down on the clamping plate supports (101), and the force adjusting device is used for adjusting the up and down relative positions of the clamping plates and the clamping force of the detection materials.
2. The jig for a tensile strength detecting device according to claim 1, wherein: the clamping surface of each integrated clamping plate (2) is provided with a corrugated groove (201), and the corrugated grooves (201) of the upper and lower integrated clamping plates (2) fixed on one clamping plate bracket (101) are meshed.
3. The jig for a tensile strength detecting device according to claim 2, wherein: a rubber pad (202) is fixedly arranged at one end, close to the material stretching position, of the clamping surface of each integrated clamping plate (2).
4. The fixture for a tensile strength testing apparatus according to claim 3, wherein: the surface of the rubber pad (202) is provided with cross check lines.
5. The fixture for a tensile strength testing apparatus according to claim 3, wherein: one end of each integrated clamping plate (2) far away from the material stretching position is fixedly provided with a tension connecting part (203) used for being connected with a tension traction device for providing tension.
6. The jig for a tensile strength detecting device according to claim 1, wherein: the integrated clamping plate (2) is fixedly provided with a connecting clamping part which is used for being connected with the clamping plate bracket, a positioning groove (1011) is formed in the part, connected with the integrated clamping plate (2), of the clamping plate bracket (101), and the connecting clamping part is movably connected in the positioning groove (1011).
7. The jig for a tensile strength detecting device according to claim 6, wherein: the force adjusting device comprises a pressure sensor fixed on the integrated clamping plate (2) and a pressing device (4) in communication connection with the pressure sensor.
8. The jig for a tensile strength detecting device according to claim 1, wherein: the clamping plate support (1) is provided with a guide rail female groove which is used for being connected with the guide rail in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888878.4U CN220305001U (en) | 2023-07-18 | 2023-07-18 | Clamp for tensile strength detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321888878.4U CN220305001U (en) | 2023-07-18 | 2023-07-18 | Clamp for tensile strength detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220305001U true CN220305001U (en) | 2024-01-05 |
Family
ID=89348294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321888878.4U Active CN220305001U (en) | 2023-07-18 | 2023-07-18 | Clamp for tensile strength detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220305001U (en) |
-
2023
- 2023-07-18 CN CN202321888878.4U patent/CN220305001U/en active Active
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