CN219810742U - Wire strength testing device - Google Patents
Wire strength testing device Download PDFInfo
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- CN219810742U CN219810742U CN202320750565.6U CN202320750565U CN219810742U CN 219810742 U CN219810742 U CN 219810742U CN 202320750565 U CN202320750565 U CN 202320750565U CN 219810742 U CN219810742 U CN 219810742U
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims abstract description 14
- 230000000903 blocking effect Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000009864 tensile test 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 metal wire strength testing device, which comprises a workbench, wherein a left supporting seat and a right supporting seat are oppositely arranged on the workbench, two telescopic cylinders are fixed on the supporting seats, clamps are respectively arranged on the telescopic cylinders, and the left telescopic cylinders are connected with the clamps through tension sensors; the clamp comprises a clamp seat, a clamping column, a clamping mechanism, an air pipe and an inflation and deflation air pump, wherein a slot is arranged in the center of the end face of the clamping column, a plurality of clamping mechanisms which are spirally distributed around the slot are arranged in the clamping column, and the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column; the clamping mechanism comprises a clamping cavity, a pneumatic pressing piece is arranged in the clamping cavity, the pneumatic pressing piece comprises a pressing block, a pressing rod, a blocking head and a reset spring, one ends of inner grooves of the same group, which are close to the communication holes, are communicated through air cavities, the air cavities penetrate through the upper end and the lower end of the clamping column, and the air cavities are connected with an inflation and deflation air pump through air pipes. The beneficial effects are that: the multi-directional stable clamping of the metal wire can be formed, and the metal wire is not easy to slip during tensile strength test.
Description
Technical Field
The utility model belongs to the technical field of urban greening, and particularly relates to a metal wire strength testing device.
Background
After the metal wire is processed, the tensile strength of the metal wire needs to be tested, and whether the performance index meets the requirement or not is tested.
When the tensile test is carried out at present, the two ends of the test material are generally clamped by the clamp, the clamp is driven to pull outwards by external driving, and the test data are fed back by the tension sensor on the clamp.
Disclosure of Invention
The utility model aims to provide a metal wire strength testing device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the metal wire strength testing device comprises a workbench, wherein a left supporting seat and a right supporting seat are oppositely arranged on the workbench, two opposite telescopic cylinders are fixed on the supporting seats, clamps are respectively arranged at the piston rod ends of the telescopic cylinders, and the left piston rod ends of the telescopic cylinders are connected with the clamps through tension sensors; the clamp comprises a clamp seat, a clamping column, clamping mechanisms, an air pipe and an inflation and deflation air pump, wherein the clamping column is fixed at the end part of the clamp seat, a slot is arranged in the center of the end face of the clamping column, a plurality of clamping mechanisms which are spirally distributed around the slot are arranged in the clamping column, the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column, and the clamping mechanisms of the upper group and the lower group are arranged in mirror symmetry from the slot; the clamping mechanism comprises a clamping cavity, wherein the clamping cavity consists of an outer groove distributed on the outer wall of the clamping column, an inner groove distributed on the circumference of the slot and a communication hole for communicating the inner groove and the outer groove; the pneumatic pressing piece comprises a pressing block positioned in the inner groove and a pressing rod penetrating through the communication hole, wherein a blocking head positioned in the outer groove is fixed at the head end of the pressing rod, a reset spring positioned in the outer groove is sleeved on the pressing rod, one ends of the inner grooves, which are in the same group, close to the communication hole are communicated through air cavities, and the air cavities penetrate through the upper end and the lower end of the clamping column and are connected with the inflation and deflation air pump through air pipes.
Preferably, a protective cover body is arranged on the workbench, and a door capable of being opened and closed is arranged on the protective cover body.
Preferably, the clamping column is composed of two parts which are arranged in an upper mirror image and a lower mirror image, and the two parts are connected to the clamp seat through the connecting flange.
Preferably, the bottom surface of the pressing block is of an anti-skid structure.
Preferably, a first sealing ring is fixed at the joint of the inner groove and the communication hole, and the first sealing ring does not cover the port of the air cavity.
Preferably, a second sealing ring is fixed at the top end of the pressing block, and the second sealing ring does not cover the port of the air cavity.
Compared with the prior art, the utility model has the beneficial effects that:
1. the multi-directional stable clamping of the metal wire can be formed, and the metal wire is not easy to slip during tensile strength test.
2. By opening the door of the shield body before testing and installing the wire, the door of the shield body is closed during testing, and protection can be formed, so that safety problems can not be caused when the wire is broken during testing.
Drawings
FIG. 1 is a schematic diagram of a front view of the present utility model;
FIG. 2 is a schematic diagram of the front view of the clamping column, air pipe, outer groove and connecting flange of the present utility model;
FIG. 3 is a schematic side view of the clamping post, slot, clamping cavity and connecting flange of the present utility model;
FIG. 4 is a schematic cross-sectional view of a clamping post according to the present utility model;
FIG. 5 is an enlarged schematic view of the structure of the present utility model at A;
FIG. 6 is a schematic diagram of a cross-sectional structure of a clamping column according to the present utility model;
FIG. 7 is a schematic diagram of a cross-sectional structure of a clamping column according to the present utility model;
FIG. 8 is a schematic diagram of a cross-sectional structure of a clamping post according to the present utility model;
fig. 9 is a schematic diagram showing a cross-sectional structure of a clamping column according to the present utility model.
In the figure: 1. a work table; 2. a support base; 3. a telescopic cylinder; 4. a tension sensor; 5. a clamp seat; 6. a clamping column; 7. an air pipe; 8. inflating and deflating the air pump; 9. a slot; 10. clamping a cavity; 11. an outer groove; 12. an inner tank; 13. briquetting; 14. a compression bar; 15. a blocking head; 16. a return spring; 17. an air cavity; 18. a protective cover body; 19. a connecting flange; 20. a first seal ring; 21. and a second sealing ring.
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.
Example 1: referring to fig. 1-9, the present utility model provides a technical solution: the device for testing the strength of the metal wire comprises a workbench 1, wherein a left supporting seat 2 and a right supporting seat 2 are oppositely arranged on the workbench 1, two opposite telescopic cylinders 3 are fixed on the supporting seats 2, clamps are respectively arranged at the piston rod ends of the telescopic cylinders 3, and the piston rod ends of the telescopic cylinders 3 at the left side are connected with the clamps through a tension sensor 4; the clamp comprises a clamp seat 5, a clamping column 6, clamping mechanisms, an air pipe 7 and an inflation and deflation air pump 8, wherein the clamping column 6 is fixed at the end part of the clamp seat 5, a slot 9 is arranged in the center of the end surface of the clamping column 6, a plurality of clamping mechanisms which are spirally distributed around the slot 9 are arranged in the clamping column 6, the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column 6, and the clamping mechanisms of the upper group and the lower group are arranged in a mirror symmetry mode from the slot 9; the clamping mechanism comprises a clamping cavity 10, wherein the clamping cavity 10 consists of an outer groove 11 distributed on the outer wall of the clamping column 6, an inner groove 12 distributed on the periphery of the slot 9 and a communication hole for communicating the inner groove and the outer groove; the pneumatic pressing piece is arranged in the clamping cavity 10 and comprises a pressing block 13 positioned in the inner groove 12 and a pressing rod 14 penetrating through the communication hole, a blocking head 15 positioned in the outer groove 11 is fixed at the head end of the pressing rod 14, the blocking head 15 can be detached at the head end of the pressing rod 14, a reset spring 16 positioned in the outer groove 11 is sleeved on the pressing rod 14, one ends, close to the communication hole, of the inner groove 12 in the same group are communicated through an air cavity 17, and the air cavity 17 penetrates through the upper end and the lower end of the clamping column 6 and is connected with the inflation and deflation air pump 8 through the air pipe 7. When testing, one end of a metal wire is placed into the slot 9 of the clamping column 6 at any side, after the insertion depth is proper, the air inflation and deflation air pump 8 is started to deflate, high-pressure air flows are inflated through the air pipe 7 and enter the upper air cavity 17 and the lower air cavity 17 of the clamping column 6, the air cavity 17 is communicated with the inner grooves 12 of the same group, the high-pressure air flows can give pressure to the pressing blocks 13, all the pressing blocks 13 are synchronously pushed to move towards the metal wire in the slot 9 until the metal wire is pressed, the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column 6, the upper group and the lower group of mirrors are symmetrically arranged, and the clamping mechanisms are spirally distributed around the slot 9, so that multidirectional stable clamping of the metal wire is formed, then the clamping of the other end of the metal wire can be realized by the same principle, then the clamping seat 5 and the clamping column 6 are pulled outwards through the telescopic air cylinders 3 at two sides, and test data are fed back through the tension sensor 4; after the test is finished, the air is discharged through the air charging and discharging air pump 8, and after the air pressure of the pressing block 13 is removed, the pressing rod 14 and the pressing block 13 are driven to reset under the action of the reset spring 16 extruding the blocking head 15.
Specifically, a protective cover body 18 is installed on the workbench 1, and a door capable of being opened and closed is installed on the protective cover body 18; in this embodiment, by opening the door of the shield body 18 before testing to mount the wire, the door of the shield body 18 is closed during testing, and protection is provided so that no safety problem is caused when the wire is broken during testing.
Specifically, the clamping column 6 is composed of two parts which are arranged in a mirror image manner up and down, and is connected to the clamp seat 5 through a connecting flange 19; in the embodiment, the clamping column 6 is convenient to assemble and disassemble on the clamp seat 5 through the connecting flange 19, and the pneumatic pressing piece is convenient to assemble and disassemble on the clamp cavity 10 through the arrangement of the upper part and the lower part of the clamping column 6.
Specifically, the bottom surface of the pressing block 13 is an anti-slip structure; in this embodiment, the stability of the press 13 against the wire clamping is further enhanced.
Specifically, a first sealing ring 20 is fixed at the connection position of the inner groove 12 and the communication hole, and the first sealing ring 20 does not cover the port of the air cavity 17; in the present embodiment, the sealability at the communication hole is enhanced.
Specifically, a second sealing ring 21 is fixed at the top end of the pressing block 13, and the second sealing ring 21 does not cover the port of the air cavity 17; in the present embodiment, the sealability between the press block 13 and the inner tank 12 is enhanced.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
Working principle: when testing, one end of a metal wire is placed into the slot 9 of the clamping column 6 at any side, after the insertion depth is proper, the air inflation and deflation air pump 8 is started to deflate, high-pressure air flows are inflated through the air pipe 7 and enter the upper air cavity 17 and the lower air cavity 17 of the clamping column 6, the air cavity 17 is communicated with the inner grooves 12 of the same group, the high-pressure air flows can give pressure to the pressing blocks 13, all the pressing blocks 13 are synchronously pushed to move towards the metal wire in the slot 9 until the metal wire is pressed, the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column 6, the upper group and the lower group of mirrors are symmetrically arranged, and the clamping mechanisms are spirally distributed around the slot 9, so that multidirectional stable clamping of the metal wire is formed, then the clamping of the other end of the metal wire can be realized by the same principle, then the clamping seat 5 and the clamping column 6 are pulled outwards through the telescopic air cylinders 3 at two sides, and test data are fed back through the tension sensor 4; after the test is finished, the air is discharged through the air charging and discharging air pump 8, and after the air pressure of the pressing block 13 is removed, the pressing rod 14 and the pressing block 13 are driven to reset under the action of the reset spring 16 extruding the blocking head 15.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The metal wire strength testing device is characterized by comprising a workbench (1), wherein a left supporting seat and a right supporting seat (2) are oppositely arranged on the workbench (1), two opposite telescopic cylinders (3) are fixed on the supporting seats (2), clamps are respectively arranged at the piston rod ends of the telescopic cylinders (3), and the piston rod ends of the telescopic cylinders (3) at the left side are connected with the clamps through tension sensors (4); the clamp comprises a clamp seat (5), a clamping column (6), clamping mechanisms, an air pipe (7) and an inflation and deflation air pump (8), wherein the clamping column (6) is fixed at the end part of the clamp seat (5), a slot (9) is arranged in the center of the end face of the clamping column (6), a plurality of clamping mechanisms which are spirally distributed around the slot (9) are arranged in the clamping column (6), the clamping mechanisms are divided into an upper group and a lower group along the middle horizontal section of the clamping column (6), and the clamping mechanisms of the upper group and the lower group are arranged in mirror symmetry from the slot (9); the clamping mechanism comprises a clamping cavity (10), wherein the clamping cavity (10) is composed of outer grooves (11) distributed on the outer wall of the clamping column (6), inner grooves (12) distributed on the circumference of the slot (9) and communication holes for communicating the inner grooves and the outer grooves; the pneumatic pressing piece is arranged in the clamping cavity (10), the pneumatic pressing piece comprises a pressing block (13) arranged in the inner groove (12) and a pressing rod (14) penetrating through the communication hole, a blocking head (15) arranged in the outer groove (11) is fixed at the head end of the pressing rod (14), a reset spring (16) arranged in the outer groove (11) is sleeved on the pressing rod (14), one ends, close to the communication hole, of the inner groove (12) in the same group are communicated through an air cavity (17), and the air cavity (17) penetrates through the upper end and the lower end of the clamping column (6) and is connected with the air inflation and deflation air pump (8) through the air pipe (7).
2. A wire strength testing device according to claim 1, characterized in that the workbench (1) is provided with a protective cover body (18), and the protective cover body (18) is provided with a door which can be opened and closed.
3. A wire strength testing device according to claim 1, characterized in that the clamping post (6) consists of two parts arranged in mirror image up and down, both being connected to the clamp base (5) by means of a connecting flange (19).
4. A wire strength testing device according to claim 1, wherein the bottom surface of the press block (13) is of an anti-slip structure.
5. A wire strength testing device according to claim 1, characterized in that a first sealing ring (20) is fixed at the connection of the inner groove (12) and the communication hole, and the first sealing ring (20) does not cover the port of the air cavity (17).
6. A wire strength testing device according to claim 1, characterized in that a second sealing ring (21) is fixed to the top end of the pressing block (13), and the second sealing ring (21) does not cover the port of the air cavity (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320750565.6U CN219810742U (en) | 2023-04-07 | 2023-04-07 | Wire strength testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320750565.6U CN219810742U (en) | 2023-04-07 | 2023-04-07 | Wire strength testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219810742U true CN219810742U (en) | 2023-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320750565.6U Active CN219810742U (en) | 2023-04-07 | 2023-04-07 | Wire strength testing device |
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| CN (1) | CN219810742U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250080A (en) * | 2023-11-06 | 2023-12-19 | 金华市丰硕化妆用品有限公司 | Brush hair strength detection device of cosmetic brush |
| CN118464633A (en) * | 2024-07-10 | 2024-08-09 | 广州南洋电缆集团有限公司 | Tensile property detection device and method for cable processing |
-
2023
- 2023-04-07 CN CN202320750565.6U patent/CN219810742U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117250080A (en) * | 2023-11-06 | 2023-12-19 | 金华市丰硕化妆用品有限公司 | Brush hair strength detection device of cosmetic brush |
| CN117250080B (en) * | 2023-11-06 | 2024-04-05 | 金华市丰硕化妆用品有限公司 | A bristle strength detection device for a cosmetic brush |
| CN118464633A (en) * | 2024-07-10 | 2024-08-09 | 广州南洋电缆集团有限公司 | Tensile property detection device and method for cable processing |
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