CN220419015U - Hydraulic compression clamp for testing composite material - Google Patents
Hydraulic compression clamp for testing composite material Download PDFInfo
- Publication number
- CN220419015U CN220419015U CN202322031576.1U CN202322031576U CN220419015U CN 220419015 U CN220419015 U CN 220419015U CN 202322031576 U CN202322031576 U CN 202322031576U CN 220419015 U CN220419015 U CN 220419015U
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- clamp
- locking
- self
- reset
- hydraulic compression
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- 238000012360 testing method Methods 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 230000006835 compression Effects 0.000 title claims abstract description 23
- 238000007906 compression Methods 0.000 title claims abstract description 23
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 230000009471 action Effects 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000012669 compression test Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007655 standard test method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a hydraulic compression clamp for testing a composite material, which comprises a device main body, wherein the whole device main body is C-shaped, a hydraulic cylinder is arranged at the top of the device main body, an action output shaft of the hydraulic cylinder penetrates through one end of the device main body and is provided with a lower pressing plate, a T-shaped clamping groove is formed in the bottom of the lower pressing plate, an upper clamp is connected in a sliding manner in the T-shaped clamping groove in a sliding manner, a reset chute is formed in the upper clamp, when the upper clamp needs to be replaced, the upper clamp can be pulled out along the T-shaped clamping groove only by stirring a self-locking sliding block, the self-locking sliding block is far away from a self-locking tooth groove on the inner side wall of the T-shaped clamping groove, when the lower clamp needs to be replaced, the two clamping blocks can be far away from each other only by rotating a bidirectional threaded rod, the clamping fixation of the lower clamp is released, the whole operation is simple and quick, and complicated screwing bolts are not needed, and different clamps can be replaced for different composite materials, so that the corresponding test purposes are achieved.
Description
Technical Field
The utility model relates to the technical field of hydraulic compression clamps, in particular to a hydraulic compression clamp for testing a composite material.
Background
The main equipment for measuring the basic mechanical properties of the material is a universal testing machine, and for a metal material compression test piece, the universal testing machine is provided with a corresponding standard fixture; for a composite material compression test piece, the conventional test fixture cannot meet the test requirement because the material of the test piece has no supporting structure. The clamps designed by adopting the ASTMD3410 (standard test method for the compression performance of the polymer-based composite material with no supporting working section in shear loading) and the ASTMD6641 (standard test method for the compression performance of the polymer-based composite material by adopting a combined load pressure (CLC) test clamp) have the defects of complex operation, large discreteness of test results and the like, and cannot conveniently and rapidly finish the requirements on the compression performance test of the composite material.
The patent with publication number CN 219065083U discloses a hydraulic compression clamp for testing composite materials, which comprises an upper clamp body, an upper joint and an adjusting device, wherein the adjusting device comprises a connecting plate and an adjusting disc, a through hole for freely passing through the end part of the upper joint is formed in the center of the connecting plate, the connecting plate is connected with the adjusting disc at intervals, and the adjusting disc is arranged on the upper surface of the upper clamp body; the first end of the upper joint is spherical, and the spherical end freely passes through the through hole of the connecting plate and then contacts with the adjusting disc and the upper surface of the upper clamp body in an arc surface. Compared with the prior art, the application has the advantages that: in order to ensure the concentration of pressure, the upper joint is changed into a spherical surface, the upper joint is contacted with the spherical surface of the clamp body, a spring is additionally connected with threads in order to ensure the close fit between the spherical surface body and the adjusting disc, and the stress is ensured to be concentrated at the center point of the sample. The requirement on the compressive property test of the composite material is conveniently and rapidly finished.
But the device go up anchor clamps and lower anchor clamps and all do not possess quick assembly disassembly's structure, and conventional prior art is fixed through the bolt, and the operation is comparatively loaded down with trivial details when needs change anchor clamps and lower anchor clamps, and efficiency is general.
Disclosure of Invention
The utility model aims to provide a hydraulic compression clamp for testing a composite material, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a hydraulic compression anchor clamps for combined material test, includes the device main part, the device main part is whole to be C shape, the pneumatic cylinder is installed at the top of device main part, and the action output shaft of pneumatic cylinder runs through the one end of device main part and installs the holding down plate, and T shape draw-in groove has been seted up to the bottom of holding down plate, and the slip joint has last anchor clamps in the T shape draw-in groove, has seted up reset spout in the last anchor clamps, self-locking tooth's socket has been seted up on reset spout's the inside wall, reset spring's one end is installed on reset spout's inner wall, reset spring's the other end is installed on the self-locking slider, reset spout slidable mounting has the self-locking slider, has arranged the meshing tooth with self-locking tooth's socket looks adaptation on the self-locking slider, set up the transmission chamber in the device main part, the two threaded rod is installed in the transmission chamber rotation, and two mutual symmetry's clamp blocks have been gone up to screw thread connection, and two clamp blocks all run through the transmission chamber and extend to the external world, the joint has down anchor clamps between two clamp.
Preferably, a sliding groove communicated with the outside is formed in the inner wall of the reset sliding groove, a handle is arranged in the sliding groove in a sliding mode, and the handle is arranged on the self-locking sliding block.
Preferably, handles are symmetrically arranged on the upper clamp and the lower clamp.
Preferably, one end of the bidirectional threaded rod penetrates through the transmission cavity to extend to the outside, and a hand wheel is installed at one end of the bidirectional threaded rod extending to the outside.
Preferably, the locking blocks are arranged on one surfaces of the two clamping blocks, which are close to each other, and the lower clamp is provided with two locking grooves which are symmetrical to each other and are matched with the locking blocks.
Preferably, the device main body is provided with two mutually symmetrical guide posts, and the lower pressing plate is provided with two sliding holes matched with the guide posts.
Preferably, the inner wall of the transmission cavity is provided with a limiting hole, and one end of the bidirectional threaded rod, which is far away from the hand wheel, is rotatably arranged in the limiting hole.
The beneficial effects of the utility model are as follows:
according to the utility model, through mutual matching of the structures such as the bidirectional threaded rod, the clamping blocks, the self-locking sliding blocks and the lower pressing plate, when the upper clamp needs to be replaced, the self-locking sliding blocks are only required to be shifted, so that the self-locking sliding blocks are far away from the self-locking tooth grooves on the inner side walls of the T-shaped clamping grooves, the upper clamp can be pulled out along the T-shaped clamping grooves, when the lower clamp needs to be replaced, the two clamping blocks can be far away from each other only by rotating the bidirectional threaded rod, the clamping fixation of the lower clamp is released, the replacement of the lower clamp can be realized, the whole operation is simple and quick, the complicated screwing of bolts is not required, and different clamps can be replaced for different composite materials, so that the corresponding test purpose is achieved.
Drawings
FIG. 1 is a schematic diagram of a main structure of a hydraulic compression clamp for testing composite materials according to the present utility model;
FIG. 2 is a schematic diagram of a bottom cross-sectional structure of a self-locking slider and an upper clamp of a hydraulic compression clamp for testing composite materials;
FIG. 3 is a schematic side view cross-sectional structure of a clamping block and a bidirectional threaded rod of a hydraulic compression clamp for testing composite materials;
fig. 4 is a schematic diagram of a side view cross-section structure of a self-locking slider and an upper clamp of a hydraulic compression clamp for testing composite materials.
In the figure: 1. a device body; 2. a hydraulic cylinder; 3. a lower pressing plate; 4. a guide post; 5. a slide hole; 6. a T-shaped clamping groove; 7. a lower clamp; 8. a clamping block; 9. a hand wheel; 10. a clamp is arranged; 11. resetting the chute; 12. a return spring; 13. a self-locking sliding block; 14. self-locking tooth slot; 15. a grip; 16. a chute; 17. a locking block; 18. a locking groove; 19. a two-way threaded rod; 20. a transmission cavity; 21. a handle; 22. and a limiting hole.
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.
Referring to fig. 1-4, a hydraulic compression fixture for testing composite materials comprises a device main body 1, the whole body of the device main body 1 is in a C shape, a hydraulic cylinder 2 is installed at the top of the device main body 1, an action output shaft of the hydraulic cylinder 2 penetrates through one end of the device main body 1 and is provided with a lower pressing plate 3, a T-shaped clamping groove 6 is formed in the bottom of the lower pressing plate 3, an upper fixture 10 is connected in a sliding mode in the T-shaped clamping groove 6 in a clamping mode, a reset sliding groove 11 is formed in the upper fixture 10, a self-locking tooth groove 14 is formed in the inner side wall of the reset sliding groove 11, a reset spring 12 is arranged in the reset sliding groove 11, one end of the reset spring 12 is installed on the inner wall of the reset sliding groove 11, the other end of the reset spring 12 is installed on a self-locking sliding block 13, a self-locking sliding block 13 is installed in the reset sliding block 11 in a sliding mode, meshing teeth matched with the self-locking tooth groove 14 are arranged on the self-locking sliding block 13, a transmission cavity 20 is formed in the device main body 1, a bidirectional threaded rod 19 is rotatably installed in the transmission cavity 20, two mutually symmetrical clamping blocks 8 are connected in a threaded mode on the bidirectional threaded rod 19, two clamping blocks 8 penetrate through the transmission cavity 20 to the outside, the inner side of the self-locking cavity 14 are arranged under the clamping fixture 7, and the clamping blocks 7 are arranged under the upper fixture 7.
Through mutual cooperation of the structures such as the two-way threaded rod 19, the clamping blocks 8, the self-locking sliding blocks 13 and the lower pressing plate 3, the self-locking sliding blocks 13 are only required to be stirred when the clamp 10 needs to be replaced, the self-locking sliding blocks 13 are far away from the self-locking tooth grooves 14 on the inner side walls of the T-shaped clamping grooves 6, the upper clamp 10 can be pulled out along the T-shaped clamping grooves 6, when the lower clamp 7 needs to be replaced, the two clamping blocks 8 can be far away from each other only by rotating the two-way threaded rod 19, the clamping fixation of the lower clamp 7 is relieved, the replacement of the lower clamp 7 can be realized, the whole operation is simple and quick, complicated screwing bolts are not required, and different clamps can be replaced for different composite materials, so that the corresponding test purpose is achieved.
Specifically, in this embodiment, a chute 16 communicating with the outside is provided on the inner wall of the reset chute 11, a grip 15 is slidably disposed in the chute 16, and the grip 15 is mounted on the self-locking slider 13.
The self-locking sliding block 13 can be conveniently driven to slide along the reset sliding groove 11 through the handle 15 by the arranged sliding groove 16 and the handle 15.
Specifically, in this embodiment, the handles 21 are symmetrically disposed on the upper and lower jigs 10 and 7.
The handle 21 is arranged to facilitate the taking of the upper clamp 10 and the lower clamp 7 when the upper clamp is assembled and disassembled.
Specifically, in this embodiment, one end of the bi-directional threaded rod 19 extends to the outside through the transmission cavity 20, and the hand wheel 9 is installed at one end of the bi-directional threaded rod 19 extending to the outside.
Through the hand wheel 9 arranged, the bidirectional threaded rod 19 can be conveniently driven to rotate by rotating the hand wheel 9.
Specifically, in this embodiment, the locking blocks 17 are installed on the surfaces of the two clamping blocks 8 that are close to each other, and two locking grooves 18 that are symmetrical to each other and that are matched with the locking blocks 17 are formed in the lower clamp 7.
Through the arranged locking groove 18 and the locking block 17, the locking block 17 can be inserted into the locking groove 18 on the lower clamp 7 when the two clamping blocks 8 are close to each other, so that the clamping stability of the clamping blocks 8 to the lower clamp 7 is improved.
Specifically, in this embodiment, two mutually symmetrical guide posts 4 are installed on the device main body 1, and two slide holes 5 adapted to the guide posts 4 are formed on the lower pressing plate 3.
Through the slide hole 5 and the guide post 4 which are arranged, the lower pressing plate 3 can slide along the guide post 4 through the slide hole 5, so that the stability of the lower pressing plate 3 in the moving process is improved.
Specifically, in this embodiment, the inner wall of the transmission cavity 20 is provided with a limiting hole 22, and one end of the bidirectional threaded rod 19, which is far away from the hand wheel 9, is rotatably mounted in the limiting hole 22.
By arranging the limiting holes 22, the stability of the bidirectional threaded rod 19 in the rotation process can be further improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The utility model provides a hydraulic compression anchor clamps for combined material test, includes the device main part, its characterized in that: the device is characterized in that the whole body of the device is C-shaped, a hydraulic cylinder is arranged at the top of the device body, a lower pressing plate is arranged at one end of an action output shaft of the hydraulic cylinder penetrating through the device body, a T-shaped clamping groove is formed in the bottom of the lower pressing plate, an upper clamp is connected in a sliding mode in the T-shaped clamping groove in a clamping mode, a reset sliding groove is formed in the upper clamp, a self-locking tooth slot is formed in the inner side wall of the reset sliding groove, a reset spring is arranged in the reset sliding groove, one end of the reset spring is arranged on the inner wall of the reset sliding groove, the other end of the reset spring is arranged on the self-locking sliding block, a self-locking sliding block is arranged in the reset sliding groove, meshing teeth matched with the self-locking tooth slot are arranged on the self-locking sliding block, a transmission cavity is formed in the device body, a bidirectional threaded rod is installed in the transmission cavity in a rotating mode, two mutually symmetrical clamping blocks are connected with each other in a threaded mode, the two clamping blocks penetrate through the transmission cavity to the outside, a lower clamp is connected between the two clamping blocks in a clamping mode, and the lower clamp is arranged under the upper clamp.
2. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: the inner wall of the reset chute is provided with a chute communicated with the outside, a handle is arranged in the chute in a sliding way, and the handle is arranged on the self-locking sliding block.
3. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: handles are symmetrically arranged on the upper clamp and the lower clamp.
4. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: one end of the bidirectional threaded rod penetrates through the transmission cavity to extend to the outside, and a hand wheel is installed at one end of the bidirectional threaded rod extending to the outside.
5. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: the locking blocks are arranged on one surfaces, close to each other, of the two clamping blocks, and two locking grooves which are symmetrical to each other and are matched with the locking blocks are formed in the lower clamp.
6. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: two mutually symmetrical guide posts are arranged on the device main body, and two sliding holes matched with the guide posts are formed in the lower pressing plate.
7. The hydraulic compression clamp for testing composite materials according to claim 1, wherein: and a limiting hole is formed in the inner wall of the transmission cavity, and one end of the bidirectional threaded rod, which is far away from the hand wheel, is rotatably arranged in the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322031576.1U CN220419015U (en) | 2023-07-31 | 2023-07-31 | Hydraulic compression clamp for testing composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322031576.1U CN220419015U (en) | 2023-07-31 | 2023-07-31 | Hydraulic compression clamp for testing composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220419015U true CN220419015U (en) | 2024-01-30 |
Family
ID=89657146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322031576.1U Active CN220419015U (en) | 2023-07-31 | 2023-07-31 | Hydraulic compression clamp for testing composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220419015U (en) |
-
2023
- 2023-07-31 CN CN202322031576.1U patent/CN220419015U/en active Active
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