CN210442200U - Device for testing drawing force - Google Patents
Device for testing drawing force Download PDFInfo
- Publication number
- CN210442200U CN210442200U CN201921317592.4U CN201921317592U CN210442200U CN 210442200 U CN210442200 U CN 210442200U CN 201921317592 U CN201921317592 U CN 201921317592U CN 210442200 U CN210442200 U CN 210442200U
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- China
- Prior art keywords
- clamping block
- clamp splice
- claw
- locking screw
- testing
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a test drawing force device, including clamp splice one with correspond the clamp splice two that matches, and a tip of clamp splice one passes through pin and a tip swing joint of clamp splice two, install the outer spring between clamp splice one and the two middle parts positions of clamp splice, and outer spring housing is equipped with the locking screw who runs through clamp splice one and clamp splice two, locking screw upper end spiral shell is equipped with lock nut, clamp splice one is located another tip of being connected with clamp splice two and is provided with the clamp splice claw one that is colluded the form, clamp splice two is located another end of being connected with clamp splice one and is provided with the clamp splice claw two that matches with a clamp splice claw one to, and clamp splice claw one is provided with the claw head that is the cockscomb structure with clamp splice claw two upper ends. The utility model has the advantages of novel in design, simple structure, easy to operate, the tight difficult not hard up of product centre gripping can not lead to the product to drop in the test procedure.
Description
Technical Field
The utility model relates to a tensile test equipment technical field especially relates to a test drawing force device.
Background
The tensile testing machine is a mechanical stress testing machine for mechanical property tests such as stretching, compression, bending, shearing, peeling and the like of metal materials and nonmetal materials, and the application industry range of the tensile testing machine is as follows: the tension machine clamp is used as an important component of an instrument, and is an important factor for smooth performance of tests and high accuracy of test results because different materials need different clamps and different materials. The existing tension testing machine is provided with a plurality of types of clamps, the clamps are connected in a replacement mode through hanging hooks, two main problems can exist when the clamps can be hung, and firstly, the clamps are easy to shake in the testing process to influence the detection result; secondly, in the suspension process, the upper clamp and the lower clamp are easy to collide when being close to each other, so that the clamps are damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test drawing force device to prior art not enough, this test drawing force device modern design, simple structure, easy to operate, the tight difficult not hard up of product centre gripping can not lead to the product to drop in the test procedure.
In order to achieve the above purpose, the present invention is achieved by the following technical solutions.
A device for testing drawing force comprises a first clamping block and a second clamping block which are correspondingly matched, wherein one end of the first clamping block is movably connected with one end of the second clamping block through a pin, an outward-extending spring is arranged between the middle positions of the first clamping block and the second clamping block, a locking screw rod penetrating through the first clamping block and the second clamping block is sleeved on the outward-extending spring, a locking nut is screwed on the upper end of the locking screw rod, a first clamping block claw which is in a hook shape is arranged at the other end of the first clamping block, which is connected with the second clamping block, a second clamping block claw which is correspondingly matched with the first clamping block claw is arranged at the other end of the second clamping block, which is connected with the first clamping block, and a serrated claw head is arranged at the upper ends of the first clamping block claw and the second clamping block claw.
And the upper end of the inner wall of the first clamping block, which is opposite to the second clamping block, is provided with a limiting lug.
And the second clamping block is provided with a tension driving connecting hole on the end head connected with the first clamping block.
Wherein, the upper end of the locking screw is provided with a screw head.
The utility model has the advantages that: a test drawing power device, including clamp splice one with correspond the clamp splice two that matches, and a tip of clamp splice one passes through pin and a tip swing joint of clamp splice two, install outer spring between clamp splice one and the two middle parts positions of clamp splice, and outer spring housing is equipped with the locking screw who runs through clamp splice one and clamp splice two, locking screw upper end spiral shell is equipped with lock nut, clamp splice one is located another end of being connected with clamp splice two and is provided with the clamp splice claw one that is colluded the form, clamp splice two is located another end of being connected with clamp splice one and is provided with the clamp splice claw two that matches with a clamp splice claw one to, and clamp splice claw one is provided with the claw head that is the cockscomb structure with clamp splice claw two upper ends. The utility model realizes the clamping of the first clamping block and the second clamping block on products through the tightness of the locking screw rod and the locking nut, and realizes the loosening of the first clamping block and the second clamping block on products through the elasticity of the outward-extending spring, and the device has simple structure and easy operation; a hook-shaped clamping block claw I is arranged at the other end of the first clamping block connected with the second clamping block, a clamping block claw II correspondingly matched with the clamping block claw is arranged at the other end of the second clamping block connected with the first clamping block, and a serrated claw head is arranged at the upper ends of the first clamping block claw and the second clamping block claw, so that a product is not easy to loosen and cannot fall off in the test process; the event the utility model has the advantages of novel in design, simple structure, easy to operate, the tight difficult not hard up of product centre gripping can not lead to the product to drop in the test procedure.
Drawings
The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.
Fig. 1 is a schematic structural diagram of the present invention.
In fig. 1, included are:
1-clamping block I11-clamping block jaw I
12-claw head 13-limit lug
2-clamping block II 21-clamping block claw II
22-pulling force driving connecting hole 3-pin
4-external spring 5-locking screw
51-the screw head 6-the lock nut.
Detailed Description
The present invention will be described with reference to specific embodiments.
As shown in fig. 1, a device for testing a drawing force comprises a first clamping block 1 and a second clamping block 2 which are correspondingly matched, wherein one end of the first clamping block 1 is movably connected with one end of the second clamping block 2 through a pin 3, an external tension spring 4 is arranged between the first clamping block 1 and the middle of the second clamping block 2, the external tension spring 4 is sleeved with a locking screw 5 which penetrates through the first clamping block 1 and the second clamping block 2, a locking nut 6 is screwed on the upper end of the locking screw 5, a first hooked clamping block claw 11 is arranged at the other end of the first clamping block 1 connected with the second clamping block 2, a second clamping block claw 21 which is correspondingly matched with the first clamping block claw 11 is arranged at the other end of the second clamping block 2 connected with the first clamping block 1, and a serrated claw head 12 is arranged at the upper ends of the first clamping block claw 11 and the second clamping block claw 21.
Furthermore, a limiting bump 13 is arranged at the upper end of the inner wall of the first clamping block 1 opposite to the second clamping block 2.
Furthermore, a tension driving connecting hole 22 is formed in the end, connected with the clamping block I1, of the clamping block II 2.
Further, a screw head 51 is arranged at the upper end of the locking screw 5.
The utility model realizes the clamping of the first clamping block 1 and the second clamping block 2 to the product through the tightness of the locking screw rod 5 and the locking nut 6, realizes the loosening of the first clamping block 1 and the second clamping block 2 to the product through the elasticity of the outward-extending spring 4, and has simple structure and easy operation; a hooked clamping block claw I11 is arranged at the other end of the clamping block I1 connected with the clamping block II 2, a clamping block claw II 21 correspondingly matched with the clamping block claw I11 is arranged at the other end of the clamping block II 2 connected with the clamping block I1, and serrated claw heads 12 are arranged at the upper ends of the clamping block claw I11 and the clamping block claw II 21, so that a product clamped by the clamping block I1 and the clamping block II 2 is not easy to loosen, and the product cannot fall off in a test process; the event the utility model has the advantages of novel in design, simple structure, easy to operate, the tight difficult not hard up of product centre gripping can not lead to the product to drop in the test procedure.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a test die pull device which characterized in that: comprises a first clamping block (1) and a second clamping block (2) which are correspondingly matched, wherein one end of the first clamping block (1) is movably connected with one end of the second clamping block (2) through a pin (3), an extension spring (4) is arranged between the first clamping block (1) and the middle part of the second clamping block (2), a locking screw rod (5) penetrating through the first clamping block (1) and the second clamping block (2) is sleeved on the outward-extending spring (4), a locking nut (6) is screwed at the upper end of the locking screw rod (5), a hooked first clamping block claw (11) is arranged at the other end of the first clamping block (1) connected with the second clamping block (2), a second clamping block claw (21) correspondingly matched with the first clamping block claw (11) is arranged at the other end of the second clamping block (2) connected with the first clamping block (1), and the upper ends of the first clamping block claw (11) and the second clamping block claw (21) are provided with sawtooth-shaped claw heads (12).
2. A device for testing pullout force in accordance with claim 1, wherein: and a limiting convex block (13) is arranged at the upper end of the inner wall of the first clamping block (1) opposite to the second clamping block (2).
3. A device for testing pullout force in accordance with claim 1, wherein: and the second clamping block (2) is provided with a tension driving connecting hole (22) on the end head connected with the first clamping block (1).
4. A device for testing pullout force in accordance with claim 1, wherein: the upper end of the locking screw rod (5) is provided with a screw rod head (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317592.4U CN210442200U (en) | 2019-08-14 | 2019-08-14 | Device for testing drawing force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921317592.4U CN210442200U (en) | 2019-08-14 | 2019-08-14 | Device for testing drawing force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210442200U true CN210442200U (en) | 2020-05-01 |
Family
ID=70408331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921317592.4U Active CN210442200U (en) | 2019-08-14 | 2019-08-14 | Device for testing drawing force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210442200U (en) |
-
2019
- 2019-08-14 CN CN201921317592.4U patent/CN210442200U/en active Active
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