Damping plate impact resistance testing device

By designing an automatic fixing mechanism, the problem of cumbersome operation of existing polycarbonate plate impact resistance testing devices has been solved. The automatic fixing and unfixing of the damping plate has been realized, improving testing efficiency and result accuracy, and avoiding debris contamination.

CN224594380UActive Publication Date: 2026-08-04CHENGDU HECHENG AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CHENGDU HECHENG AUTO PARTS CO LTD
Filing Date
2025-08-25
Publication Date
2026-08-04

AI Technical Summary

Technical Problem

Existing polycarbonate sheet impact resistance testing equipment is cumbersome to operate, requiring manual clamping and unclamping, which affects testing efficiency.

Method used

A damping plate impact resistance testing device was designed, which adopts an automatic fixing mechanism, including a fixing plate, a trapezoidal block and an adjusting block. The damping plate is automatically fixed and unfixed by pushing in and pushing out the pull box, and the movement of the fixing plate is driven by the elastic potential energy provided by the spring.

Benefits of technology

The automatic fixing and unfixing of the damping plate was achieved, which improved testing efficiency, ensured the accuracy and reliability of test results, and prevented debris from scattering and contaminating the testing environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of damping plate test, disclose a damping plate impact resistance testing device, including the test board, the lower side of test board front is equipped with the mounting groove, the inside of mounting groove is detachably installed with the pull -out box, the both sides of pull -out box integrative formation has the slide, the upper end level of pull -out box front side is equipped with the limiting slot, the middle part vertical through -going of mounting groove top end inner wall is equipped with the drop -off mouth. The utility model discloses when the pull -out box is pushed into the process of mounting groove, the adjusting block of mounting groove top end will produce the interaction with the trapezoidal block above pull -out box, and trapezoidal block is pushed down and moves. Through the connecting rod can push the fixed plate automatic to the both ends of the damping plate in the limiting slot and carry out extrusion fixation, make the damping plate of waiting for testing accurate and correct place in the just below drop -off mouth, to create ideal condition for iron ball impact test, effectively guarantee the accuracy and reliability of test result. In addition, the pull -out box still has the scrap collection function.
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Description

Technical Field

[0001] This utility model relates to the field of damping plate testing technology, specifically to a damping plate impact resistance testing device. Background Technology

[0002] Polycarbonate sheets are made from high-performance engineering plastics and possess excellent properties such as impact resistance, unbreakability, strength exceeding that of tempered glass and acrylic sheets by hundreds of times, toughness, safety, anti-theft, and bulletproof performance. To ensure the strength and compressive strength of polycarbonate sheets, they must undergo impact testing. Only polycarbonate sheets that pass the test can be used to guarantee safety in subsequent applications.

[0003] According to the authorized announcement number CN221528282U, a polycarbonate sheet impact resistance testing device is disclosed, including a testing housing, a pull-out box movably connected to the front side of the testing housing, support blocks provided on the three inner walls of the pull-out box, and a mounting plate provided above each support block. The mounting plate is fixed to the inner wall of the pull-out box, and a first lead screw is threadedly connected to the mounting plate. A clamping block is provided below the first lead screw.

[0004] In the process of realizing this utility model, the inventors found that at least the following problems in the prior art have not been solved. In the above case, during use, the staff needs to rotate the first lead screw so that the clamping block on the first lead screw clamps the edge of the endurance plate before the impact test is carried out. After the test is completed, the staff needs to rotate the first lead screw in the opposite direction to release the clamp on the endurance plate. The operation is cumbersome and affects the testing efficiency.

[0005] Therefore, we propose a damping plate impact resistance testing device that can automatically fix the damping plate. Utility Model Content

[0006] The purpose of this invention is to provide a damping plate impact resistance testing device, which solves the problems mentioned in the background art.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a damping plate impact resistance testing device, including a test platform, an installation groove is provided on the lower front side of the test platform, a pull-out box is detachably installed on the inner side of the installation groove, slide strips are integrally formed on both sides of the pull-out box, a limit groove is horizontally provided on the upper front side of the pull-out box, and a delivery port is vertically provided in the middle of the inner wall of the top of the installation groove, and also includes a fixing mechanism for automatically fixing the damping plate.

[0008] As an optional solution to the technical solution of this application, the fixing mechanism includes a fixing plate for pressing the damping plate, and a trapezoidal block and an adjusting block for driving the fixing plate to move. The fixing plate is horizontally placed in the middle of both sides inside the limiting groove. Connecting rods are vertically fixedly installed on the front and rear sides of the upper surface of the fixing plate. The end of the connecting rod away from the fixing plate is fixedly connected to the bottom side of the trapezoidal block.

[0009] As an optional solution to the technical solution of this application, the adjusting blocks are fixedly installed on both sides of the inner wall at the top of the mounting groove. The two sets of adjusting blocks on the inner wall at the top of the mounting groove correspond to the two sets of trapezoidal blocks on the upper surface of the pull-out box, and the bottom end of the adjusting block is slidably connected to the inclined surface of the trapezoidal block.

[0010] As an optional solution to the technical solution of this application, two sets of connecting grooves are provided through the two sides of the inner wall of the top of the limiting groove, and the connecting rod on the upper surface of the fixing plate is slidably connected to the connecting groove of the inner wall of the top of the limiting groove.

[0011] As an optional solution to the technical solution of this application, a spring is provided on the bottom side of the trapezoidal block, and the spring is sleeved on the outside of the connecting rod.

[0012] As an optional solution to the technical solution of this application, the inner walls on both sides of the mounting groove are provided with horizontally symmetrical sliding grooves, and the sliding strips on both sides of the pull-out box are slidably connected to the sliding grooves on both sides of the mounting groove.

[0013] Compared to existing technologies, when the pull-out box is pushed into the mounting slot, the adjusting block at the top of the mounting slot interacts with the trapezoidal block above the pull-out box, pushing the trapezoidal block downwards. The connecting rod then pushes the fixing plate to automatically press and fix both ends of the damping plate inside the limiting slot, ensuring the damping plate to be tested is precisely positioned directly below the injection port. This creates ideal conditions for the iron ball impact test, effectively guaranteeing the accuracy and reliability of the test results. Furthermore, the pull-out box also features a debris collection function. Attached Figure Description

[0014] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings: Figure 1 This is the front view of the damping plate impact resistance testing device of this utility model; Figure 2 This is a cross-sectional view of the damping plate impact resistance testing device of this utility model.

[0015] In the diagram: 1. Test stand; 11. Mounting slot; 12. Dispensing port; 13. Pull-out box; 14. Sliding bar; 15. Limiting slot; 16. Sliding groove; 2. Fixing plate; 21. Trapezoidal block; 22. Adjusting block; 23. Connecting rod; 24. Connecting groove; 25. Spring. Detailed Implementation

[0016] Please see Figures 1-2 This utility model provides a technical solution: a damping plate impact resistance testing device, including a test platform 1, an installation groove 11 is provided on the lower front side of the test platform 1, a pull-out box 13 is detachably installed on the inner side of the installation groove 11, slide strips 14 are integrally formed on both sides of the pull-out box 13, and sliding grooves 16 are horizontally and symmetrically provided on the inner walls of both sides of the installation groove 11. The slide strips 14 on both sides of the pull-out box 13 are slidably connected to the sliding grooves 16 on the inner walls of both sides of the installation groove 11, a limit groove 15 is horizontally provided at the upper front side of the pull-out box 13, and a delivery port 12 is vertically provided through the middle of the inner wall at the top of the installation groove 11. It also includes a fixing mechanism for automatically fixing the damping plate.

[0017] In this technical solution, the limiting groove 15 horizontally opened on the front side of the pull-out box 13 can limit and support the damping plate to be tested. It is slidably connected to the slide bar 14 through the slide groove 16. The pull-out box 13 can be easily pushed into the mounting groove 11 through the handle (not shown in the figure), so that the damping plate to be tested is accurately placed directly below the delivery port 12, thereby conducting an iron ball impact test on the damping plate. During the iron ball impact test, the damping plate may break due to the force and generate debris. These debris will fall naturally into the pull-out box 13, which is convenient for subsequent centralized cleaning and treatment, avoiding debris scattering and causing pollution to the test environment, and also improving the cleanliness and management efficiency of the test site.

[0018] In this embodiment, the fixing mechanism includes a fixing plate 2 for pressing the damping plate, and a trapezoidal block 21 and an adjusting block 22 for driving the fixing plate 2 to move. The fixing plate 2 is horizontally placed in the middle of both sides inside the limiting groove 15. Connecting rods 23 are vertically fixedly installed on the front and rear sides of the upper surface of the fixing plate 2. The end of the connecting rod 23 away from the fixing plate 2 is fixedly connected to the bottom side of the trapezoidal block 21. Two sets of connecting grooves 24 are opened through the inner wall of the top of the limiting groove 15. The connecting rod 23 on the upper surface of the fixing plate 2 is slidably connected to the connecting groove 24 on the inner wall of the top of the limiting groove 15. The adjusting block 22 is fixedly installed on both sides of the inner wall of the top of the mounting groove 11. The two sets of adjusting blocks 22 on the inner wall of the top of the mounting groove 11 correspond to the two sets of trapezoidal blocks 21 on the upper surface of the pull-out box 13, and the bottom end of the adjusting block 22 is slidably connected to the inclined surface of the trapezoidal block 21.

[0019] In this technical solution, when the pull-out box 13 is pushed into the mounting groove 11, the adjusting block 22 at the top of the mounting groove 11 interacts with the trapezoidal block 21 above the pull-out box 13, pushing the trapezoidal block 21 downward. The connecting rod 23 can automatically push the fixing plate 2 to press and fix both ends of the damping plate inside the limiting groove 15, thereby effectively ensuring the accuracy and reliability of the test results. It should be noted that the thickness of the damping plate matches the dimensions of the limiting groove 15, the trapezoidal block 21, and the adjusting block 22, ensuring that when the pull-out box 13 is pushed into the mounting groove 11, the fixing plate 2 is precisely pressed against the upper surface of the damping plate.

[0020] In this embodiment, a spring 25 is provided on the bottom side of the trapezoidal block 21, and the spring 25 is sleeved on the outside of the connecting rod 23.

[0021] In this technical solution, when the pull-out box 13 is pulled out of the mounting slot 11, the trapezoidal block 21 loses the pressure of the adjusting block 22. The elastic potential energy generated by the compression of the bottom spring 25 of the trapezoidal block 21 can push the trapezoidal block 21 to move upward and reset. The connecting rod 23 pulls the fixing plate 2 upward and releases the squeezing and fixing of the two ends of the damping plate, making it convenient for the staff to remove the damping plate after testing.

[0022] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. Damping panel impact resistance testing device, comprising a testing table (1), characterized in that, The test bench (1) has an installation groove (11) at the bottom front side. A pull-out box (13) is detachably installed on the inner side of the installation groove (11). Slide strips (14) are integrally formed on both sides of the pull-out box (13). A limit groove (15) is horizontally opened at the upper front side of the pull-out box (13). An insertion port (12) is vertically opened through the middle of the inner wall at the top of the installation groove (11). It also includes a fixing mechanism for automatically fixing the damping plate.

2. The damped plate impact testing device of claim 1, wherein: The fixing mechanism includes a fixing plate (2) for pressing the damping plate, and a trapezoidal block (21) and an adjusting block (22) for driving the fixing plate (2) to move. The fixing plate (2) is horizontally placed in the middle of both sides inside the limiting groove (15). A connecting rod (23) is vertically fixed on the front and rear sides of the upper surface of the fixing plate (2). The end of the connecting rod (23) away from the fixing plate (2) is fixedly connected to the bottom side of the trapezoidal block (21).

3. The damped plate impact testing device of claim 2, wherein: The adjusting block (22) is fixedly installed on both sides of the inner wall of the top of the mounting groove (11). The two sets of adjusting blocks (22) on the inner wall of the top of the mounting groove (11) correspond to the two sets of trapezoidal blocks (21) on the upper surface of the pull-out box (13), and the bottom end of the adjusting block (22) is slidably connected to the inclined surface of the trapezoidal block (21).

4. The damped plate impact testing device of claim 3, wherein: Two sets of connecting grooves (24) are provided on both sides of the inner wall of the top of the limiting groove (15). The connecting rod (23) on the upper surface of the fixing plate (2) is slidably connected to the connecting groove (24) on the inner wall of the top of the limiting groove (15).

5. The damped plate impact testing device of claim 4, wherein: A spring (25) is provided on the bottom side of the trapezoidal block (21), and the spring (25) is sleeved on the outside of the connecting rod (23).

6. The damped plate impact testing device of claim 1, wherein: The inner walls of the mounting groove (11) are horizontally symmetrically provided with sliding grooves (16), and the sliding strips (14) on both sides of the pull-out box (13) are slidably connected to the sliding grooves (16) on both sides of the mounting groove (11).