Gravity type impact testing machine with base cushioning function

Abstract

The utility model discloses a gravity type impact testing machine with a base cushioning function, which relates to the technical field of impact testing machines and comprises a base, a movable groove is arranged in the base, a movable plate is arranged in the movable groove, and a damping mechanism is arranged between the movable plate and the bottom of the movable groove. A workbench is arranged on the movable plate, a supporting column is arranged on the side, located on the workbench, of the movable plate, a first fixing plate is arranged on one side of the supporting column, a testing mechanism is arranged at the outer end of the first fixing plate, and a second fixing plate is arranged on the portion, located above the first fixing plate, of the supporting column. The impact mechanism is arranged at the outer end of the second fixing plate, the shock absorption mechanism can reduce longitudinal impact force generated in the using process of the impact testing machine, safety is improved, the impact mechanism and the testing mechanism are matched with each other, so that a gravity impact experiment is carried out, and using is more convenient.

Description

Technical Field

[0001] This utility model relates to the field of impact testing machine technology, specifically a gravity impact testing machine with a base shock absorption function. Background Technology

[0002] An impact testing machine is a material testing machine that applies impact force to a specimen to perform an impact test. Impact testing machines are classified into manual pendulum impact testing machines, semi-automatic impact testing machines, digital display impact testing machines, microcomputer-controlled impact testing machines, drop hammer impact testing machines, and non-metallic impact testing machines, etc. By changing the pendulum and specimen base, both simply supported beam and cantilever beam tests can be performed. The drop hammer impact testing machine is another type of impact testing machine, suitable for drop hammer impact tests on ferritic steels (especially various pipeline steels).

[0003] The existing impact testing machine has a fixed impact head height, which cannot be adjusted according to experimental needs, resulting in significant limitations. The impact head is not easy to replace or maintain. Furthermore, during use, the impact testing machine generates longitudinal impact force, which can damage the base of the impact testing machine or even the ground, causing safety hazards and affecting its service life.

[0004] Based on this, a gravity impact testing machine with a base shock absorption function is now provided, which can eliminate the drawbacks of existing devices. Utility Model Content

[0005] The purpose of this utility model is to provide a gravity impact testing machine with a base shock absorption function, so as to solve the problems of existing impact testing machines having a fixed impact head height, which cannot be adjusted according to experimental needs, has great limitations, the impact head is not easy to replace and maintain, and the impact testing machine will generate longitudinal impact force during use, which will damage the base of the impact testing machine or even the ground, causing safety hazards and affecting the service life.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A gravity impact testing machine with a base shock absorption function includes a base, a movable groove inside the base, a movable plate inside the movable groove, a shock absorption mechanism between the movable plate and the bottom of the movable groove, a worktable on the movable plate, a support column on one side of the worktable on the movable plate, a first fixed plate on one side of the support column, a testing mechanism on the outer end of the first fixed plate, and a second fixed plate on the support column above the first fixed plate, with an impact mechanism on the outer end of the second fixed plate.

[0008] Based on the above technical solutions, this utility model also provides the following optional technical solutions:

[0009] In one alternative: the shock absorption mechanism includes a shock absorber located at the bottom of the movable groove, the top of the shock absorber being fixedly connected to the bottom surface of the movable plate, symmetrical first sliding grooves being provided on both sides of the movable groove, and symmetrical sliders being provided on both sides of the movable plate, the sliders being slidably connected within the first sliding grooves.

[0010] In one alternative embodiment: the testing mechanism includes a first through hole located at the outer end of a first fixed plate, an impact head disposed within the first through hole, a fixed sleeve disposed on the outer side of the impact head, a V-shaped block connected to one side of the first fixed plate at the first through hole, one end of the V-shaped block clamping the fixed sleeve, a moving rod disposed at the other end of the V-shaped block, and a counterweight disposed at the top end of the moving rod penetrating a second fixed plate.

[0011] In one alternative: a second through hole is provided on the outer end of the second fixing plate, an opening groove is provided on one side of the second through hole on the second fixing plate, and a first fastening screw is installed on the outer end of the second fixing plate on one side of the opening groove.

[0012] In one alternative embodiment: the impact mechanism includes a test cylinder located within a second through hole, a drop hammer slidably connected within the test cylinder, an L-shaped limiting rod at the top of the drop hammer, and a second sliding groove on one side of the test cylinder.

[0013] In one alternative: a fixing clip is fitted onto the test cylinder, the fixing clip is fixed by a second fastening screw, and an L-shaped limiting groove is provided on one side of the fixing clip at a position corresponding to the second sliding groove, and the top of the limiting rod is mutually limiting and cooperating with the limiting groove.

[0014] In one alternative: the base is provided with several casters at its bottom.

[0015] In one alternative: the base has side plates on both sides, the side plates have electric push rods, and the bottom output end of the electric push rods has an anti-slip plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] This utility model features a movable groove within a base, a movable plate within the groove, a shock-absorbing mechanism between the movable plate and the bottom of the groove, a worktable on the movable plate, a support column on one side of the worktable, a first fixed plate on one side of the support column, a testing mechanism on the outer end of the first fixed plate, and a second fixed plate on the support column above the first fixed plate, with an impact mechanism on the outer end of the second fixed plate. The shock-absorbing mechanism reduces the longitudinal impact force generated during the use of the impact testing machine, improving safety. The impact mechanism and the testing mechanism work together to conduct gravity impact tests, making the machine more convenient to use. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic diagram of the shock absorption mechanism of this utility model.

[0020] Figure 3 This is a schematic diagram of the first fixing plate structure of this utility model.

[0021] Figure 4 This is a schematic diagram of the test cylinder structure of this utility model.

[0022] Figure reference numerals: 1. Base; 2. Caster wheel; 3. Side plate; 4. Electric push rod; 5. Anti-slip plate; 6. Movable groove; 7. Moving plate; 8. Shock absorber; 9. First slide groove; 10. Slider; 11. Workbench; 12. Support column; 13. First fixed plate; 14. Impact head; 15. Fixed sleeve; 16. V-block; 17. Moving rod; 18. Counterweight; 19. Second fixed plate; 20. First through hole; 21. Opening groove; 22. First fastening screw; 23. Test cylinder; 24. Second slide groove; 25. Drop hammer; 26. Limiting rod; 27. Fixing clamp; 28. Limiting groove; 29. ​​Second fastening screw; 30. Second through hole. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0024] In one embodiment, such as Figures 1-4As shown, a gravity impact testing machine with a base shock absorption function includes a base 1, a movable groove 6 inside the base 1, a movable plate 7 inside the movable groove 6, a shock absorption mechanism between the movable plate 7 and the bottom of the movable groove 6, a worktable 11 on the movable plate 7, a support column 12 on one side of the worktable 11 on the movable plate 7, a first fixed plate 13 on one side of the support column 12, a testing mechanism on the outer end of the first fixed plate 13, and a second fixed plate 19 on the support column 12 above the first fixed plate 13. An impact mechanism is located on the outer end of the second fixed plate 19. The shock absorption mechanism can reduce the longitudinal impact force generated during the use of the impact testing machine, improving safety. Through the cooperation between the impact mechanism and the testing mechanism, gravity impact experiments can be carried out, making it more convenient to use.

[0025] In one embodiment, such as Figure 2 As shown, the shock absorption mechanism includes a shock absorber 8, which is located at the bottom of the movable groove 6. The top of the shock absorber 8 is fixedly connected to the bottom surface of the movable plate 7. Symmetrical first sliding grooves 9 are provided on both sides of the movable groove 6, and symmetrical sliders 10 are provided on both sides of the movable plate 7. The sliders 10 are slidably connected within the first sliding grooves 9. During the experiment, the movable plate 7 generates a downward impact force, which is absorbed by the shock absorber 8 to improve safety.

[0026] In one embodiment, such as Figure 3 As shown, the test mechanism includes a first through hole 20, which is located at the outer end of the first fixed plate 13. An impact head 14 is provided inside the first through hole 20, and a fixing sleeve 15 is provided on the outer side of the impact head 14. A V-block 16 is connected to the first fixed plate 13 on one side of the first through hole 20. One end of the V-block 16 is clamped with the fixing sleeve 15, and a moving rod 17 is provided at the other end of the V-block 16. A counterweight 18 is provided through the second fixed plate 19 at the top of the moving rod 17. The impact head 14 maintains its height through the V-block 16.

[0027] In one embodiment, such as Figure 3 As shown, a second through hole 30 is provided on the outer end of the second fixing plate 19, and an opening groove 21 is provided on the second fixing plate 19 on one side of the second through hole 30. A first fastening screw 22 is installed on the outer end of the second fixing plate 19 on one side of the opening groove 21. By rotating the first fastening screw 22, the test cylinder 23 in the second through hole 30 can be fixed.

[0028] In one embodiment, such as Figure 4As shown, the impact mechanism includes a test cylinder 23, which is located inside the second through hole 30. A drop hammer 25 is slidably connected inside the test cylinder 23. An L-shaped limiting rod 26 is provided on the top of the drop hammer 25. A second sliding groove 24 is provided on one side of the test cylinder 23. The drop hammer 25 slides inside the test cylinder 23 and strikes the impact head 14 by the drop hammer 25, thereby conducting a gravity impact test on the material on the workbench 11.

[0029] In one embodiment, such as Figure 4 As shown, a fixing clip 27 is fitted onto the test cylinder 23. The fixing clip 27 is fixed by the second fastening screw 29. An L-shaped limiting groove 28 is provided on one side of the fixing clip 27 at a position corresponding to the second sliding groove 24. The top of the limiting rod 26 is mutually limiting and cooperating with the limiting groove 28. The fixing clip 27 can be freely adjusted in height on the test cylinder 23 and fixed by the second fastening screw 29. The drop hammer 25 can be fixed in position by the mutual cooperation between the limiting rod 26 and the limiting groove 28.

[0030] In one embodiment, such as Figure 1 As shown, the bottom of the base 1 is equipped with several casters 2 to facilitate the movement of the testing machine.

[0031] In one embodiment, such as Figure 1 As shown, the base 1 has side plates 3 on both sides, and electric push rods 4 are installed on the side plates 3. The bottom output end of the electric push rods 4 is equipped with anti-slip plates 5. The stability is improved by the anti-slip plates 5 supporting the bottom surface.

[0032] The above embodiment discloses a gravity impact testing machine with a base shock absorption function. In use, the test material is placed on the workbench 11. The height of the fixing clamp 27 on the test cylinder 23 can be freely adjusted as needed and fixed by the second fastening screw 29. The drop hammer 25 can be fixed in position by the cooperation of the limiting rod 26 and the limiting groove 28. Rotating the limiting rod 26 allows the drop hammer 25 to fall freely and strike the impact head 14. The impact head 14 conducts a gravity impact test on the material on the workbench 11. During the test, the moving plate 7 generates a downward impact force, which is absorbed by the shock absorber 8 to improve safety.

[0033] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A gravity type impact testing machine having a base cushioning function, comprising a base (1), characterized in that, The base (1) is provided with a movable groove (6), the movable groove (6) is provided with a moving plate (7), the moving plate (7) and the bottom of the movable groove (6) are provided with a damping mechanism, the moving plate (7) is provided with a workbench (11), the moving plate (7) is provided with a support column (12) on the side of the workbench (11), the support column (12) is provided with a first fixed plate (13) on one side, the first fixed plate (13) is provided with a test mechanism on the outer end, the support column (12) is provided with a second fixed plate (19) above the first fixed plate (13), and the second fixed plate (19) is provided with an impact mechanism on the outer end.

2. The gravity type impact testing machine having a base cushion function according to claim 1, characterized by, The damping mechanism comprises a shock absorber (8), the shock absorber (8) is located at the bottom of the movable groove (6), the top end of the shock absorber (8) is fixedly connected with the bottom surface of the moving plate (7), and the movable groove (6) is provided with symmetrical first sliding grooves (9) on both sides.

3. The gravity type impact testing machine having a base cushion function according to claim 1, characterized by, The test mechanism comprises a first through hole (20), the first through hole (20) is located on the outer end of the first fixed plate (13), the first through hole (20) is provided with an impact head (14), the impact head (14) is provided with a fixed sleeve (15) on the outer side, the first fixed plate (13) is connected with a V-shaped block (16) on the side of the first through hole (20), one end of the V-shaped block (16) is clamped with the fixed sleeve (15), the other end of the V-shaped block (16) is provided with a moving rod (17), and the top end of the moving rod (17) penetrates through the second fixed plate (19) and is provided with a counterweight (18).

4. The gravity type impact testing machine having a base cushion function according to claim 3, characterized by, The second fixed plate (19) is provided with a second through hole (30) on the outer end, and the second fixed plate (19) is provided with an open slot (21) on the side of the second through hole (30). The first fastening screw (22) is installed on the outer end of the second fixed plate (19) on the side of the open slot (21).

5. The gravity type impact testing machine having a base cushion function according to claim 1, wherein The impact mechanism comprises a test cylinder (23), the test cylinder (23) is located in the second through hole (30), the test cylinder (23) is slidably connected with a drop hammer (25), the top of the drop hammer (25) is provided with an L-shaped limiting rod (26), and the test cylinder (23) is provided with a second sliding groove (24) on one side.

6. The gravity type impact testing machine having a base cushion function according to claim 5, wherein The test cylinder (23) is sleeved with a fixed clamp (27), the fixed clamp (27) is fixed through the second fastening screw (29), the fixed clamp (27) is provided with an L-shaped limiting groove (28) on the side corresponding to the second sliding groove (24), and the top end of the limiting rod (26) and the limiting groove (28) are limited and matched with each other.

7. The gravity type impact testing machine having a base cushion function according to claim 1, characterized by, The base (1) is provided with a plurality of universal wheels (2) on the bottom.

8. The gravity type impact testing machine having a base cushion function according to claim 1, wherein The base (1) is provided with side plates (3) on both sides, the side plates (3) are provided with electric push rods (4), and the bottom output end of the electric push rod (4) is provided with a non-slip plate (5).

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