CN216484310U

CN216484310U - Low-temperature large-load tensile fixture for high-pressure tensile sample

Info

Publication number: CN216484310U
Application number: CN202122979207.6U
Authority: CN
Inventors: 张金峰; 谢云会
Original assignee: Changchun Yuntai Precision Machinery Co ltd
Current assignee: Changchun Yuntai Precision Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-05-10
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a low-temperature large-load tensile fixture for a high-pressure tensile sample, which comprises a box body, wherein a polishing control cabinet and a cabinet body are respectively and fixedly connected to two sides of the box body, a plurality of sliding columns are arranged in the box body, two ends of each sliding column are respectively and fixedly connected with the polishing control cabinet and the outer wall of the cabinet body, sliding plates are slidably connected to the outer walls of the sliding columns, and clamping jaws are fixedly connected to one side, close to the sliding plates, of the polishing control cabinet. Through inserting the inside of placing a section of thick bamboo with the sample earlier, the telescopic link extends the back, it is whole pushing down to drive the second mounting panel, driving motor is driving the piece of polishing that links to each other with the axostylus axostyle and is rotating, the piece of polishing contacts the outer wall of sample, can polish out the recess at the surface of sample, rotate the screw thread post again, make the movable claw slide along the spout, thereby grasp the sample, the card strip is used for blocking the outside recess of sample, be more firm at the centre gripping sample, prevent the sample slippage, in order to reach the effect that prevents the slippage.

Description

Low-temperature large-load tensile fixture for high-pressure tensile sample

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a low-temperature large-load tensile clamp for a high-pressure tensile sample.

Background

The tensile test is the most common method for measuring the mechanics of materials, and is performed by clamping a tensile specimen with a clamp, and then performing tensile test.

The tensile sample is generally divided into a working part, clamping parts at two ends of the working part and a transition part between the working part and the clamping parts, and the clamping parts are clamped by clamping jaws for stretching.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a low-temperature large-load tensile clamp for a high-pressure tensile sample, which aims to solve the problem that the conventional low-temperature large-load tensile clamp for the high-pressure tensile sample in the background art is easy to slip and cause measurement failure due to the fact that a clamping part is smooth and has relatively small friction when being used, and if the tensile force is relatively large when the clamp clamps the low-temperature large-load tensile sample.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tensile anchor clamps of big load of low temperature for high-pressure tensile sample, the power distribution box comprises a box body, the both sides difference fixedly connected with of box control cabinet and the cabinet body of polishing, the inside of box is provided with a plurality of travellers, every the outer wall fixed connection who do not with the control cabinet, the cabinet body of polishing is equallyd divide at the both ends of traveller, the outer wall sliding connection of traveller has the slide, the control cabinet of polishing is close to one side fixedly connected with clamping jaw of slide, the slide is close to the same clamping jaw of one side fixedly connected with of the control cabinet of polishing, the inner wall fixedly connected with grinding device of the control cabinet of polishing, the control cabinet of polishing with go back fixedly connected with second telescopic link between the slide, the outer wall fixed mounting of the control cabinet of polishing has control panel.

Specifically, two ends of a tensile sample are respectively clamped by the two clamping jaws, and then the tensile sample is subjected to a tensile experiment through the extension of the telescopic rod.

Preferably, the clamping jaw includes connecting rod, stationary dog, screw thread post and movable jaw, the one end of connecting rod and the outer wall fixed connection of stationary dog, the outer wall of stationary dog is seted up also the spout, the inner wall of spout and the one end sliding connection of movable jaw, the inside of movable jaw and the outer wall threaded connection of screw thread post, the one end and the stationary dog of spout rotate to be connected.

Specifically, after the threaded column is rotated, the movable claw can slide along the sliding groove, so that the sample is clamped.

Preferably, the outer wall of the movable claw is fixedly connected with a pressing block, and the outer wall of the fixed claw is fixedly connected with the same pressing block.

Specifically, the pressing block is matched with two ends of the sample, the contact area is larger in clamping, and the clamping effect is better.

Preferably, the middle part of the inner wall of the pressing block is fixedly connected with a plurality of clamping strips, and the inner wall of each clamping strip is fixedly connected with a friction pad.

Specifically, the card strip is used for blocking the outside recess of sample, and the friction pad has great friction factor, is more firm at the centre gripping sample, prevents the sample slippage.

Preferably, grinding device is including placing a section of thick bamboo, place a section of thick bamboo and the inner wall fixed connection of the switch board of polishing, the one end of placing a section of thick bamboo is passed the outside that the switch board extended to the switch board of polishing.

Specifically, the sample may be inserted into the interior of the placement cylinder.

Preferably, the top of placing a section of thick bamboo is provided with the mounting panel, the outer wall of mounting panel and the inner wall fixed connection of the switch board of polishing, the bottom fixedly connected with telescopic link of mounting panel, the lower extreme fixedly connected with second mounting panel of telescopic link, the inner wall of second mounting panel rotates and is connected with the axostylus axostyle, a plurality of polishing pieces of outer wall fixedly connected with of axostylus axostyle, the one end fixedly connected with driving motor of axostylus axostyle, driving motor's outer wall and the outer wall fixed connection of second mounting panel.

Specifically, the telescopic link extension back is driving the whole push down of second mounting panel, and driving motor is driving the piece of polishing that links to each other with the axostylus axostyle and is rotating, and the piece of polishing contacts the outer wall of sample, can polish out the recess at the surface of sample to frictional force can drive the sample and rotate, polish out annular recess in the outside of sample.

Preferably, the inside fixedly connected with supercharging device of switch board polishes, supercharging device's output passes the inside that the switch board extended to the box of polishing, the outer wall swing joint of box has the chamber door.

Specifically, the pressurizing device is used for pressurizing the inside of the box body, so that the test under a high-pressure environment is realized.

Compared with the prior art, the utility model has the beneficial effects that:

1. through inserting the inside of placing a section of thick bamboo with the sample earlier, the telescopic link extends the back, it is whole pushing down to drive the second mounting panel, driving motor is driving the piece of polishing that links to each other with the axostylus axostyle and is rotating, the piece of polishing contacts the outer wall of sample, can polish out the recess at the surface of sample, rotate the screw thread post again, make the movable claw slide along the spout, thereby grasp the sample, the card strip is used for blocking the outside recess of sample, be more firm at the centre gripping sample, prevent the sample slippage, in order to reach the effect that prevents the slippage.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a polishing control cabinet according to the present invention;

FIG. 4 is an enlarged view of the jaw configuration of the present invention;

FIG. 5 is an enlarged schematic view of the structure of the compact of the present invention;

fig. 6 is an enlarged view of the structure at a in fig. 3 according to the present invention.

In the figure: 1. a cabinet body; 2. polishing the control cabinet; 3. a box body; 4. a box door; 5. a control panel; 6. placing the cylinder; 7. a pressure boosting device; 8. a polishing device; 9. mounting a plate; 10. a telescopic rod; 11. a second mounting plate; 12. a drive motor; 13. a shaft lever; 14. grinding the sheets; 15. a traveler; 16. a slide plate; 17. a second telescopic rod; 18. a clamping jaw; 19. a connecting rod; 20. a fixed jaw; 21. a chute; 22. a movable jaw; 23. a threaded post; 24. briquetting; 25. a friction pad; 26. and (6) clamping the strip.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a tensile anchor clamps of big load of low temperature for high-pressure tensile sample, the power distribution box comprises a box body 3, the both sides difference fixedly connected with of box 3 polish switch board 2 and the cabinet body 1, the inside of box 3 is provided with a plurality of travelers 15, do not divide equally at the both ends of every traveller 15 with polish switch board 2, the outer wall fixed connection of the cabinet body 1, the outer wall sliding connection of traveller 15 has slide 16, one side fixedly connected with clamping jaw 18 that polish switch board 2 is close to slide 16, slide 16 is close to the same clamping jaw 18 of one side fixedly connected with of polish switch board 2, the inner wall fixedly connected with grinding device 8 of polish switch board 2, still fixedly connected with second telescopic link 17 between polish switch board 2 and the slide 16, the outer wall fixed mounting of polish switch board 2 has control panel 5.

In this embodiment, the two clamping jaws 18 clamp the two ends of the tensile sample respectively, and then the tensile test is performed on the tensile sample by extending the telescopic rod 17.

The clamping jaw 18 comprises a connecting rod 19, a fixed jaw 20, a threaded column 23 and a movable jaw 22, one end of the connecting rod 19 is fixedly connected with the outer wall of the fixed jaw 20, a sliding groove 21 is formed in the outer wall of the fixed jaw 20, the inner wall of the sliding groove 21 is slidably connected with one end of the movable jaw 22, the inner portion of the movable jaw 22 is in threaded connection with the outer wall of the threaded column 23, and one end of the sliding groove 21 is rotatably connected with the fixed jaw 20.

In this embodiment, after the threaded post 23 is rotated, the movable jaw 22 can slide along the sliding groove 21, so as to clamp the sample.

Wherein, the outer wall of the movable claw 22 is fixedly connected with a pressing block 24, and the outer wall of the fixed claw 20 is fixedly connected with the same pressing block 24.

In this embodiment, the pressing block 24 is matched with the two ends of the sample, the contact area of the clamping is larger, and the clamping effect is better.

Wherein, the middle part of the inner wall of the pressing block 24 is fixedly connected with a plurality of clamping strips 26, and the inner wall of the clamping strips 26 is fixedly connected with a friction pad 25.

In this embodiment, the clamping strip 26 is used for clamping the groove outside the sample, and the friction pad 25 has a larger friction factor, so that the sample is clamped more stably, and the sample is prevented from slipping.

Wherein, grinding device 8 is including placing a section of thick bamboo 6, places a section of thick bamboo 6 and the inner wall fixed connection of the switch board 2 of polishing, and the one end of placing a section of thick bamboo 6 is passed the outside that the switch board 2 extended to the switch board 2 of polishing.

In this embodiment, the sample may be inserted into the inside of the placement cylinder 6.

Wherein, the top of placing a section of thick bamboo 6 is provided with mounting panel 9, the outer wall of mounting panel 9 and the inner wall fixed connection of the switch board 2 of polishing, the bottom fixedly connected with telescopic link 10 of mounting panel 9, the lower extreme fixedly connected with second mounting panel 11 of telescopic link 10, the inner wall of second mounting panel 11 rotates and is connected with axostylus axostyle 13, a plurality of polishing pieces 14 of the outer wall fixedly connected with of axostylus axostyle 13, the one end fixedly connected with driving motor 12 of axostylus axostyle 13, the outer wall of driving motor 12 and the outer wall fixed connection of second mounting panel 11.

In this embodiment, after the extension of telescopic link 10, drive the whole pushing down of second mounting panel 11, driving motor 12 is driving the piece 14 of polishing that links to each other with axostylus axostyle 13 and is rotating, and the piece 14 of polishing contacts the outer wall of sample, can polish out the recess at the surface of sample to frictional force can drive the sample and rotate, polish out annular recess in the outside of sample.

Wherein, the inside fixedly connected with supercharging device 7 of switch board 2 polishes, and supercharging device 7's output passes the inside that switch board 2 polished and extend to box 3, and the outer wall swing joint of box 3 has chamber door 4.

In the present embodiment, the pressurizing device 7 is used to pressurize the inside of the case 3, thereby realizing a test in a high-pressure environment.

The working principle and the using process of the utility model are as follows: during the use, insert the inside of placing a section of thick bamboo 6 with the sample earlier, telescopic link 10 extends the back, it pushes down to drive the whole of second mounting panel 11, driving motor 12 is driving the polishing piece 14 that links to each other with axostylus axostyle 13 and is rotating, polishing piece 14 contacts the outer wall of sample, can polish out the recess at the surface of sample, and frictional force can drive the sample and rotate, polish out annular recess in the outside of sample, rotate screw post 23 back, can make movable claw 22 slide along spout 21, thereby the centre gripping sample, card strip 26 is used for blocking the outside recess of sample, friction pad 25 has great friction factor, it is more firm at the centre gripping sample, prevent the sample slippage, in order to reach the effect that prevents the slippage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a tensile anchor clamps of big load of low temperature for high pressure tensile sample, includes box (3), its characterized in that: two sides of the box body (3) are respectively and fixedly connected with a polishing control cabinet (2) and a cabinet body (1), a plurality of sliding columns (15) are arranged inside the box body (3), two ends of each sliding column (15) are respectively fixedly connected with the polishing control cabinet (2) and the outer wall of the cabinet body (1), the outer wall of the sliding column (15) is connected with a sliding plate (16) in a sliding way, one side of the polishing control cabinet (2) close to the sliding plate (16) is fixedly connected with a clamping jaw (18), one side of the sliding plate (16) close to the grinding control cabinet (2) is fixedly connected with the same clamping jaw (18), the inner wall of the polishing control cabinet (2) is fixedly connected with a polishing device (8), a second telescopic rod (17) is fixedly connected between the polishing control cabinet (2) and the sliding plate (16), and a control panel (5) is fixedly installed on the outer wall of the polishing control cabinet (2).

2. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 1, characterized in that: clamping jaw (18) are including connecting rod (19), stationary dog (20), screw thread post (23) and movable jaw (22), the outer wall fixed connection of the one end of connecting rod (19) and stationary dog (20), also spout (21) are seted up to the outer wall of stationary dog (20), the inner wall of spout (21) and the one end sliding connection of movable jaw (22), the inside of movable jaw (22) and the outer wall threaded connection of screw thread post (23), the one end and stationary dog (20) of spout (21) rotate and are connected.

3. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 2, characterized in that: the outer wall of the movable claw (22) is fixedly connected with a pressing block (24), and the outer wall of the fixed claw (20) is fixedly connected with the same pressing block (24).

4. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 3, characterized in that: the middle part of the inner wall of the pressing block (24) is fixedly connected with a plurality of clamping strips (26), and the inner wall of each clamping strip (26) is fixedly connected with a friction pad (25).

5. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 1, characterized in that: grinding device (8) are including placing a section of thick bamboo (6), place the inner wall fixed connection of a section of thick bamboo (6) and grinding switch board (2), the one end of placing a section of thick bamboo (6) is passed grinding switch board (2) and is extended to the outside of grinding switch board (2).

6. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 5, characterized in that: the polishing device is characterized in that a mounting plate (9) is arranged above the placing barrel (6), the outer wall of the mounting plate (9) is fixedly connected with the inner wall of the polishing control cabinet (2), a telescopic rod (10) is fixedly connected with the bottom of the mounting plate (9), a second mounting plate (11) is fixedly connected with the lower end of the telescopic rod (10), a shaft rod (13) is rotatably connected with the inner wall of the second mounting plate (11), a plurality of polishing sheets (14) are fixedly connected with the outer wall of the shaft rod (13), a driving motor (12) is fixedly connected with one end of the shaft rod (13), and the outer wall of the driving motor (12) is fixedly connected with the outer wall of the second mounting plate (11).

7. The low-temperature large-load tensile fixture for the high-pressure tensile specimen according to claim 1, characterized in that: the inside fixedly connected with supercharging device (7) of switch board (2) polishes, the output of supercharging device (7) passes the inside that polish switch board (2) extended to box (3), the outer wall swing joint of box (3) has chamber door (4).