Cold and hot impact test device

Abstract

The utility model discloses a cold and hot impact test device, which relates to the technical field of temperature impact tests and comprises a test box, a protective door is arranged on the side surface of the test box, a test group is arranged at the top of the test box, a test bed is arranged in the test box, and a clamping component is arranged in the middle of the test bed. A test sample is positioned and clamped through the arranged clamping assembly, the test sample is placed on the top of the placing top plate, pressure is applied to the placing top plate and the supporting sliding rod, so that the limiting bottom plate drives the supporting arm to descend, and the supporting arm drives the mounting bottom plate and the air cylinder to slide in the sliding groove; the clamping plate on the side face of the air cylinder makes contact with a test sample, so that the test sample is clamped, the use convenience of the device is improved, the test sample is protected through the rubber protection pad arranged on the side face of the clamping plate, and the situation that the clamping force is too large, the test sample is scratched, and the product quality is affected is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature shock tests, and particularly relates to a thermal shock test device. Background Technique

[0002] A thermal shock test chamber is an essential test device in industries such as metals, plastics, rubber, and electronics. It is used to test the structure of materials or composite materials and determine the degree to which they can withstand extremely high and low temperatures in a continuous environment instantaneously, so as to detect chemical changes or physical damages caused by thermal expansion and contraction of the test specimens within the shortest time.

[0003] During the test of the existing thermal shock test device, due to the impact force of the cold and hot water pipes, the test samples will be displaced, which is likely to cause errors in the test results. Although the existing thermal shock test device has a clamping device, it is easy to cause damage to the test samples during the clamping process. Therefore, a thermal shock test device is needed to solve the above problems. Content of the Utility Model

[0004] The main purpose of the utility model is to provide a thermal shock test device, which can effectively solve the problems in the background technique.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A thermal shock test device includes a test chamber. A protective door is arranged on the side of the test chamber, and a test group is arranged on the top of the test chamber. A test bench is arranged inside the test chamber, and a clamping component is arranged in the middle of the test bench.

[0007] The clamping component includes a placement top plate. A support sliding rod is arranged at the bottom of the placement top plate, and a limit bottom plate is arranged at the bottom end of the support sliding rod. A support spring is arranged in the middle at the bottom of the placement top plate. A hinge seat is arranged on one side of the top of the limit bottom plate, and a hinge block is arranged in the middle of the hinge seat. A support arm is arranged on the side of the hinge block, and an installation bottom plate is arranged at one end of the support arm. A cylinder is arranged on the top of the installation bottom plate, and a top rod is arranged on the side of the cylinder. A clamping plate is arranged at one end of the top rod, and a rubber protection pad is arranged on the side of the clamping plate.

[0008] Preferably, the support sliding rod is installed at the bottom of the placement top plate through bolts. There are four support sliding rods, which are symmetrically distributed at the bottom of the placement top plate. The bottom end of the support sliding rod penetrates through the top of the test bench, and the bottom of the support sliding rod is installed with a limit bottom plate through bolts. The placement top plate is located above the test bench, and the limit bottom plate is located below the top of the test bench.

[0009] Preferably, a support spring is fixedly connected to the middle of the bottom of the placement top plate, and the support spring is located in the middle of the four support sliding rods. One end of the support spring away from the placement top plate is fixedly connected to the middle of the top of the test bench. One side of the top of the limit bottom plate is provided with a hinge seat through bolts, and there are four hinge seats, which are symmetrically distributed on the top of the limit bottom plate respectively. A rotating shaft is clamped in the middle of the hinge seat.

[0010] Preferably, a hinge block is rotatably connected to the middle of the rotating shaft, and the hinge block is connected to the middle of the hinge seat through the rotating shaft. The hinge block and the hinge seat are correspondingly arranged. One side of the hinge block away from the hinge seat is provided with a support arm through bolts, and the support arm is arranged at an inclined angle on the side of the hinge block. One end of the support arm away from the hinge block penetrates through the top of the test bench, and the support arm is adjacent to the placement top plate.

[0011] Preferably, sliding grooves are formed in the top of the test bench, and there are four sliding grooves, which are symmetrically distributed on the top of the test bench respectively. The support arm is slidably connected to the inside of the sliding groove, and the outer wall of the support arm is in contact with the inner walls on both sides of the sliding groove. The top of the support arm is provided with a mounting bottom plate through bolts, and the mounting bottom plate and the support arm are correspondingly arranged. The mounting bottom plate and the placement top plate are correspondingly arranged.

[0012] Preferably, a cylinder is installed on the top of the mounting bottom plate through bolts, and an L-shaped limit frame is arranged on the side of the cylinder. The bottom of the L-shaped limit frame is installed on the top of the mounting bottom plate through bolts, and there are two L-shaped limit frames, which are symmetrically distributed on both sides of the cylinder respectively. A jacking rod is installed at the movable end of the cylinder, and a clamping plate is installed at the end of the jacking rod away from the cylinder through bolts. A rubber protection pad is installed on the side of the clamping plate away from the jacking rod through bolts.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the utility model, the positioning and clamping of the test sample are realized through the arranged clamping assembly. The test sample is placed on the top of the placement top plate, applying pressure to the placement top plate and the support sliding rods, so that the limit bottom plate drives the support arm to descend, so that the support arm drives the mounting bottom plate and the cylinder to slide inside the sliding groove, making the clamping plate on the side of the cylinder contact the test sample, thus realizing the clamping of the test sample, improving the use convenience of the device, and the rubber protection pad arranged on the side of the clamping plate realizes the protection of the test sample, preventing excessive clamping force from scratching the test sample and affecting the quality of the product. Description of the Drawings

[0015] Figure 1 is the structural schematic diagram of the whole device of the utility model;

[0016] Figure 2 It is a schematic structural diagram inside the test chamber of the present utility model;

[0017] Figure 3 It is the present utility model Figure 2 The enlarged structural diagram at position A in it;

[0018] Figure 4 It is the schematic structural diagram of the clamping assembly of the present utility model.

[0019] In the figure: 1. Test chamber; 2. Protective door; 3. Test group; 4. Test bench; 5. Clamping assembly; 6. Placing top plate; 7. Support slide bar; 8. Support spring; 9. Limit bottom plate; 10. Hinge seat; 11. Hinge block; 12. Rotating shaft; 13. Support arm; 14. Sliding groove; 15. Installation bottom plate; 16. Cylinder; 17. Ejecting rod; 18. Clamping plate; 19. Rubber protective pad; 20. L-shaped limit frame. Specific embodiments

[0020] In order to make the technical means, creative features, achieved purposes and effects of the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a thermal shock test device includes a test chamber 1, a protective door 2 is arranged on the side of the test chamber 1, and a test group 3 is arranged on the top of the test chamber 1. A test bench 4 is arranged inside the test chamber 1, and a clamping assembly 5 is arranged in the middle of the test bench 4;

[0022] The clamping assembly 5 includes a placement top plate 6. A support slide bar 7 is provided at the bottom of the placement top plate 6, and a limit bottom plate 9 is provided at the bottom end of the support slide bar 7. A support spring 8 is provided in the middle at the bottom of the placement top plate 6. A hinge seat 10 is provided on one side of the top of the limit bottom plate 9, and a hinge block 11 is provided in the middle of the hinge seat 10. A support arm 13 is provided on the side of the hinge block 11, and a mounting bottom plate 15 is provided at one end of the support arm 13. A cylinder 16 is provided on the top of the mounting bottom plate 15, and an ejector rod 17 is provided on the side of the cylinder 16. A clamping plate 18 is provided at one end of the ejector rod 17, and a rubber protection pad 19 is provided on the side of the clamping plate 18. The support slide bar 7 is installed at the bottom of the placement top plate 6 through bolts, and there are four support slide bars 7, which are symmetrically distributed at the bottom of the placement top plate 6. The bottom end of the support slide bar 7 penetrates through the top of the test bench 4, and the bottom of the support slide bar 7 is installed with a limit bottom plate 9 through bolts. The placement top plate 6 is located above the test bench 4, and the limit bottom plate 9 is located below the top of the test bench 4. The middle of the bottom of the placement top plate 6 is fixedly connected with a support spring 8, and the support spring 8 is located in the middle of the four support slide bars 7. The end of the support spring 8 far from the placement top plate 6 is fixedly connected to the middle of the top of the test bench 4. A hinge seat 10 is installed on one side of the top of the limit bottom plate 9 through bolts, and there are four hinge seats 10, which are respectively symmetrically distributed on the top of the limit bottom plate 9. A rotating shaft 12 is clamped in the middle of the hinge seat 10, and a hinge block 11 is rotatably connected in the middle of the rotating shaft 12, and the hinge block 11 is connected to the middle of the hinge seat 10 through the rotating shaft 12. The hinge block 11 and the hinge seat 10 are correspondingly arranged. A support arm 13 is installed on the side of the hinge block 11 far from the hinge seat 10 through bolts, and the support arm 13 is arranged at an inclined angle on the side of the hinge block 11. The end of the support arm 13 far from the hinge block 11 penetrates through the top of the test bench 4, and the support arm 13 is adjacent to the placement top plate 6;

[0023] A sliding groove 14 is formed at the top of the test bench 4, and there are four sliding grooves 14, which are symmetrically distributed at the top of the test bench 4 respectively. The support arm 13 is slidably connected to the inside of the sliding groove 14, and the outer wall of the support arm 13 is in contact with the inner walls on both sides of the sliding groove 14. The top of the support arm 13 is provided with a mounting base plate 15 through bolts, and the mounting base plate 15 is arranged corresponding to the support arm 13. The mounting base plate 15 is arranged corresponding to the placing top plate 6. A cylinder 16 is installed on the top of the mounting base plate 15 through bolts, and an L-shaped limiting frame 20 is arranged on the side of the cylinder 16. The bottom of the L-shaped limiting frame 20 is installed on the top of the mounting base plate 15 through bolts, and there are two L-shaped limiting frames 20, which are symmetrically distributed on both sides of the cylinder 16 respectively. The movable end of the cylinder 16 is installed with a ejecting rod 17, and a clamping plate 18 is installed at the end of the ejecting rod 17 far away from the cylinder 16 through bolts. A rubber protection pad 19 is installed on the side of the clamping plate 18 far away from the ejecting rod 17 through bolts. The positioning and clamping of the test sample are realized through the arranged clamping assembly 5. By placing the test sample on the top of the placing top plate 6, pressure is applied to the placing top plate 6 and the support slide rod 7, so that the limiting base plate 9 drives the support arm 13 to descend, so that the support arm 13 drives the mounting base plate 15 and the cylinder 16 to slide inside the sliding groove 14, and the clamping plate 18 on the side of the cylinder 16 contacts the test sample, so as to realize the clamping of the test sample, improve the use convenience of the device, and the rubber protection pad 19 arranged on the side of the clamping plate 18 realizes the protection of the test sample, preventing excessive clamping force from scratching the test sample and affecting the quality of the product.

[0024] It should be noted that the present utility model is a thermal shock test device. When in use, the test sample is placed on the top of the placing top plate 6, so that the weight of the test sample itself drives the placing top plate 6 and the support slide rod 7 to descend, so that the placing top plate 6 squeezes the support spring 8, and at the same time the support slide rod 7 drives the limiting base plate 9 and the hinge seat 10 to descend. The hinge seat 10 drives the hinge block 11 and the support arm 13 to slide inside the sliding groove 14, so that the support arm 13 drives the mounting base plate 15 to move inside the sliding groove 14 in the direction of the placing top plate 6, so that the clamping plate 18 is close to the test sample on the top of the placing top plate 6. Then, the cylinder 16 drives the ejecting rod 17 to eject the clamping plate 18, so that the clamping plate 18 drives the rubber protection pad 19 to contact the test sample, completing the positioning and clamping of the test sample, preventing the sample from moving during the test and affecting the test effect. At the same time, the arranged rubber protection pad 19 realizes the protection of the sample, reducing the situation that the sample is damaged due to excessive clamping force.

[0025] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A thermal shock test device, comprising a test chamber (1), characterized in that: A protective door (2) is provided on the side of the test chamber (1), and a test group (3) is provided on the top of the test chamber (1). A test bench (4) is provided inside the test chamber (1), and a clamping assembly (5) is provided in the middle of the test bench (4). The clamping assembly (5) includes a placement top plate (6). A support sliding rod (7) is provided at the bottom of the placement top plate (6), and a limit bottom plate (9) is provided at the bottom end of the support sliding rod (7). A support spring (8) is provided in the middle of the bottom of the placement top plate (6). A hinge seat (10) is provided on one side of the top of the limit bottom plate (9), and a hinge block (11) is provided in the middle of the hinge seat (10). A support arm (13) is provided on the side of the hinge block (11), and a mounting bottom plate (15) is provided at one end of the support arm (13). A cylinder (16) is provided on the top of the mounting bottom plate (15), and a jacking rod (17) is provided on the side of the cylinder (16). A clamping plate (18) is provided at one end of the jacking rod (17), and a rubber protective pad (19) is provided on the side of the clamping plate (18).

2. The thermal shock test device according to claim 1, characterized in that: The support sliding rod (7) is bolted to the bottom of the placement top plate (6), and there are four support sliding rods (7), which are symmetrically distributed at the bottom of the placement top plate (6). The bottom end of the support sliding rod (7) penetrates through the top of the test bench (4), and the bottom of the support sliding rod (7) is bolted with a limit bottom plate (9). The placement top plate (6) is located above the test bench (4), and the limit bottom plate (9) is located below the top of the test bench (4).

3. The thermal shock test device according to claim 2, wherein: The support spring (8) is fixedly connected to the middle of the bottom of the placement top plate (6), and the support spring (8) is located in the middle of the four support sliding rods (7). The end of the support spring (8) away from the placement top plate (6) is fixedly connected to the middle of the top of the test bench (4). A hinge seat (10) is bolted to one side of the top of the limit bottom plate (9), and there are four hinge seats (10), which are symmetrically distributed on the top of the limit bottom plate (9) respectively. A rotating shaft (12) is clamped in the middle of the hinge seat (10).

4. A thermal shock test device according to claim 3, characterized in that: The hinge block (11) is rotatably connected to the middle of the rotating shaft (12), and the hinge block (11) is connected to the middle of the hinge seat (10) through the rotating shaft (12). The hinge block (11) is arranged corresponding to the hinge seat (10). A support arm (13) is bolted to the side of the hinge block (11) away from the hinge seat (10), and the support arm (13) is arranged at an inclined angle on the side of the hinge block (11). The end of the support arm (13) away from the hinge block (11) penetrates through the top of the test bench (4), and the support arm (13) is adjacent to the placement top plate (6).

5. The thermal shock test device according to claim 4, characterized in that: A sliding groove (14) is formed at the top of the test bench (4), and there are four sliding grooves (14), which are symmetrically distributed at the top of the test bench (4) respectively. The support arm (13) is slidably connected to the inside of the sliding groove (14), and the outer wall of the support arm (13) is in contact with the inner walls on both sides of the sliding groove (14). The top of the support arm (13) is provided with a mounting bottom plate (15) through bolts, and the mounting bottom plate (15) is arranged corresponding to the support arm (13). The mounting bottom plate (15) is arranged corresponding to the placing top plate (6).

6. The thermal shock test device according to claim 5, characterized in that: A cylinder (16) is installed on the top of the mounting bottom plate (15) through bolts, and an L-shaped limiting frame (20) is arranged on the side of the cylinder (16). The bottom of the L-shaped limiting frame (20) is installed on the top of the mounting bottom plate (15) through bolts, and there are two L-shaped limiting frames (20), which are symmetrically distributed on both sides of the cylinder (16) respectively. A jacking rod (17) is installed at the movable end of the cylinder (16), and a clamping plate (18) is installed at the end of the jacking rod (17) far away from the cylinder (16) through bolts. A rubber protection pad (19) is installed on the side of the clamping plate (18) far away from the jacking rod (17) through bolts.

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