Shock absorption experiment workbench

Abstract

The utility model discloses a shock absorption experiment workbench, and belongs to the technical field of shock experiments. The special-shaped clamping device comprises a vibration body, a workbench is arranged at the top of the vibration body, two moving frames are attached to the top of the workbench, moving grooves are formed in the moving frames, special-shaped clamping devices are arranged in the moving grooves, each special-shaped clamping device comprises a moving block, a first containing groove is formed in one side of each moving block, and a second containing groove is formed in the other side of each moving block. A first special-shaped groove is formed in one side of the first containing groove, and a second special-shaped block is slidably connected into the first special-shaped groove. According to the utility model, the second clamping block is in contact with the to-be-detected piece, so that the second clamping block rotates in the first placing groove, the surface of an object is preliminarily clamped, and then the first clamping block rotates in the second placing groove through continuous fixation, so that the first clamping block is attached to the surface of the object, and a special-shaped piece is stably clamped. Therefore, slipping in the experiment process is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of vibration experiments, and in particular relates to a vibration reduction experiment workbench. Background Art

[0002] The vibration test bench is mainly used to simulate the environment of electrical, electronic, automotive parts and other products and goods involved in transportation during transportation, and to test the vibration resistance of the products.

[0003] Chinese application number: CN201920889026.4 The document discloses a vibration test bench, including a table plate and a clamp installed on the table plate through a telescopic adjustment mechanism, a clamping space is provided between the table plate and the clamp, an anti-slip support pad is provided in the clamping space, the gap between the clamp and the table plate is adjusted by the telescopic adjustment mechanism, and the test piece is pressed onto the table plate through the cooperation of the anti-slip support pad and the telescopic adjustment mechanism, so that the clamping of the test piece is not limited by the specifications of the clamping head. However, in actual use, since the outer surface of the test piece is not necessarily a regular plane, the device cannot clamp and fix the special-shaped parts well. Utility Model Content

[0004] The utility model aims to solve the problem that special-shaped parts cannot be clamped, and provides a shock-absorbing experimental workbench.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a shock-absorbing experimental workbench, including a vibration body, a workbench is provided on the top of the vibration body, two moving frames are attached to the top of the workbench, a moving groove is opened in the moving frame, and a special-shaped clamping device is provided in the moving groove, the special-shaped clamping device includes a moving block, a first placement groove is opened on one side of the moving block, a first special-shaped groove is opened on one side of the first placement groove, a second special-shaped block is slidably connected in the first special-shaped groove, a second clamping block is connected on one side of the second special-shaped block, two second placement grooves are opened on one side of the second clamping block, a second special-shaped groove is opened in the second placement groove, and the first special-shaped block is slidably connected in the second special-shaped groove, and the first clamping block is connected on one side of the first special-shaped block.

[0006] As a further description of the above technical solution:

[0007] The inner wall of the moving groove is slidably connected to the outer wall of the moving block, a nut is embedded on the top of the moving block, a bolt is connected to the inner thread of the nut, an adjustment groove is opened on the top of the moving groove, and the inner wall of the adjustment groove is slidably connected to the outer wall of the bolt.

[0008] As a further description of the above technical solution:

[0009] The bottom of the moving block is connected with a sliding block, and the bottom of the moving groove is provided with a sliding groove, and both sides of the sliding block are slidably connected with the sliding groove.

[0010] As a further description of the above technical solution:

[0011] Built-in grooves are provided on both sides of the workbench, and a bearing is embedded on one side of the inner wall of one of the built-in grooves, and a rotating shaft is rotatably connected inside the rotating shaft, and a double-grooved rod is connected to one end of the rotating shaft, and one end of the double-grooved rod extends out of the built-in groove and is connected to a turntable, and a crank is rotatably connected to one side of the turntable, and a sliding rod is connected between the inner walls of the other built-in groove, the outer wall of the double-grooved rod is threadedly connected to two threaded seats, and the outer wall of the sliding rod is slidably connected to two sliding sleeve seats.

[0012] As a further description of the above technical solution:

[0013] The two sides of the bottom of the movable frame are respectively connected to the corresponding one side of the sliding sleeve seat and one side of the threaded seat, and the outer wall of the sliding sleeve seat and the outer wall of the threaded seat slide in the corresponding built-in grooves respectively.

[0014] As a further description of the above technical solution:

[0015] The outer wall of the crank is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid convex patterns.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, a special-shaped clamping device is provided, and the second clamping block contacts the object to be detected, so that the second clamping block rotates in the first placement groove, thereby preliminarily clamping the surface of the object, and then the first clamping block rotates in the second placement groove through continuous fixation, so that the first clamping block fits the surface of the object, thereby firmly clamping the special-shaped object, thereby avoiding slipping during the experiment.

[0018] 2. In the utility model, a crank is provided so that the crank drives the double-threaded rod to rotate through a turntable, thereby moving the threaded seat on the outer wall of the double-threaded rod, and then the threaded seat drives the moving frame to move, so that the distance between the moving frames can be adjusted, and then the device can use special-shaped parts of different sizes, thereby improving the application range of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a vibration reduction experimental workbench proposed by the utility model;

[0020] Figure 2 A schematic diagram of the structure of a vibration-absorbing experimental workbench proposed by the utility model;

[0021] Figure 3This is a schematic diagram of the structure of a mobile frame of a shock-absorbing experimental workbench proposed by the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of a moving block of a vibration-absorbing experimental workbench proposed by the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of a second clamping block of a shock-absorbing experimental workbench proposed by the utility model.

[0024] Legend: 1. Moving frame; 2. Workbench; 3. Crank; 4. Turntable; 5. Double-grooved rod; 6. Vibrating body; 7. Sliding rod; 8. Built-in groove; 9. Special-shaped clamping device; 901. Moving block; 902. Sliding block; 903. First placement groove; 904. First special-shaped groove; 905. First clamping block; 906. First special-shaped block; 907. Second clamping block; 908. Second special-shaped block; 909. Second special-shaped groove; 910. Second placement groove; 911. Bolt; 10. Threaded seat; 11. Moving groove; 12. Sliding groove; 13. Sliding sleeve seat; 14. Adjustment groove. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5The utility model provides a technical solution: a vibration reduction experimental workbench, including a vibration body 6, a workbench 2 is arranged on the top of the vibration body 6, two moving frames 1 are attached to the top of the workbench 2, a moving groove 11 is opened in the moving frame 1, and a special-shaped clamping device 9 is arranged in the moving groove 11, and the special-shaped clamping device 9 includes a moving block 901, a first placement groove 903 is opened on one side of the moving block 901, a first special-shaped groove 904 is opened on one side of the first placement groove 903, a second special-shaped block 908 is slidably connected in the first special-shaped groove 904, a second special-shaped block 908 is connected to a second clamping block 907 on one side of the second clamping block 907, and two second placement grooves 903 are opened on one side of the second clamping block 907. A placement groove 910 is provided, and a second special-shaped groove 909 is provided in the second placement groove 910, and a first special-shaped block 906 is slidably connected in the second special-shaped groove 909, and a first clamping block 905 is connected to one side of the first special-shaped block 906, the inner wall of the movable groove 11 is slidably connected to the outer wall of the movable block 901, and a nut is embedded in the top of the movable block 901, and a bolt 911 is connected to the inner thread of the nut, and an adjustment groove 14 is provided at the top of the movable groove 11, and the inner wall of the adjustment groove 14 is slidably connected to the outer wall of the bolt 911, and a slider 902 is connected to the bottom of the movable block 901, and a slide groove 12 is provided at the bottom of the movable groove 11, and both sides of the slider 902 are slidably connected to the slide groove 12.

[0027] In a specific implementation manner, a special-shaped clamping device 9 is provided, and the moving frame 1 is moved to drive the moving block 901 to move, and the moving block 901 drives the second clamping block 907 to move and contact the object to be tested, so that the second clamping block 907 rotates in the first placement groove 903 and changes the fixing direction, and then the first clamping block 905 is rotated in the second placement groove 910, so that the first clamping block 905 also changes the fixing direction, so that the first clamping block 905 always fits the surface of the object, thereby achieving fixation of the surface of the special-shaped part to avoid slipping during testing, and by rotating the bolt 911, the bolt 911 is disengaged from the moving block 901, so that the moving block 901 slides in the moving groove 11, so that the distance between the two moving blocks 901 on the same side is adjusted to accommodate objects of different sizes.

[0028] Built-in grooves 8 are provided on both sides of the workbench 2, and a bearing is embedded on one side of the inner wall of one of the built-in grooves 8, and a rotating shaft is rotatably connected inside the rotating shaft, and a double-grooved rod 5 is connected to one end of the rotating shaft, and one end of the double-grooved rod 5 extends out of the built-in groove 8 and is connected to a turntable 4, and a crank 3 is rotatably connected to one side of the turntable 4, and a sliding rod 7 is connected between the inner walls of the other built-in groove 8, the outer wall of the double-grooved rod 5 is threadedly connected to two threaded seats 10, and the outer wall of the sliding rod 7 is slidably connected to two sliding sleeve seats 13, the two sides of the bottom of the movable frame 1 are respectively connected to the corresponding side of the sliding sleeve seat 13 and the side of the threaded seat 10, and the outer wall of the sliding sleeve seat 13 and the outer wall of the threaded seat 10 slide in the corresponding built-in groove 8 respectively, and the outer wall of the crank 3 is provided with a rubber pad, and the surface of the rubber pad is provided with anti-slip convex patterns.

[0029] A specific implementation manner is to arrange a crank 3 so that the crank 3 drives the turntable 4 to rotate, and the turntable 4 drives the double-grooved rod 5 to rotate. The two opposite threads provided on the outer wall of the double-grooved rod 5 make the two threaded seats 10 on the outer wall of the double-grooved rod 5 move toward each other, and then the threaded seats 10 drive the moving frame 1 to move toward each other. The sliding sleeve seat 13 slides on the outer wall of the sliding rod 7, so that the moving frame 1 is more stable when moving, and jamming caused by offset is avoided, and then the distance between the moving frames 1 is adjusted so that the device can adapt to objects of different sizes.

[0030] Working principle: When in use, the crank 3 is manually rotated to make the crank 3 drive the turntable 4 to rotate, and then the turntable 4 drives the double-threaded rod 5 to rotate, so that the two threaded seats 10 move toward each other, and the threaded seats 10 drive the two moving frames 1 to move toward each other, and the moving frame 1 drives the moving block 901 to move, so that the moving block 901 drives the second clamping block 907 to move, and then the first clamping block 905 contacts the special-shaped part, so that the second clamping block 907 rotates in the first placement groove 903, so that the second clamping block 907 changes the clamping direction, and then the first clamping block 905 rotates in the second placement groove 910, so that the first clamping block 905 also changes the clamping direction, and then the outer wall of the special-shaped part is fixed, so as to prevent the special-shaped part from slipping during the experiment.

[0031] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A vibration reduction experimental workbench, comprising a vibration body (6), characterized in that: A workbench (2) is provided on the top of the vibration body (6), two moving frames (1) are attached to the top of the workbench (2), a moving groove (11) is provided in the moving frame (1), and a special-shaped clamping device (9) is provided in the moving groove (11), and the special-shaped clamping device (9) comprises a moving block (901), a first placement groove (903) is provided on one side of the moving block (901), a first special-shaped groove (904) is provided on one side of the first placement groove (903), and the first special-shaped groove (904) is provided on one side of the first placement groove (903). A second special-shaped block (908) is slidably connected in the shaped groove (904), one side of the second special-shaped block (908) is connected to a second clamping block (907), one side of the second clamping block (907) is provided with two second placement grooves (910), and a second special-shaped groove (909) is provided in the second placement groove (910), and a first special-shaped block (906) is slidably connected in the second special-shaped groove (909), and one side of the first special-shaped block (906) is connected to a first clamping block (905).

2. A vibration reduction test bench according to claim 1, characterized in that: The inner wall of the movable groove (11) is slidably connected to the outer wall of the movable block (901), a nut is embedded in the top of the movable block (901), and a bolt (911) is connected to the inner thread of the nut, and an adjustment groove (14) is opened at the top of the movable groove (11), and the inner wall of the adjustment groove (14) is slidably connected to the outer wall of the bolt (911).

3. A vibration reduction test bench according to claim 1, characterized in that: The bottom of the moving block (901) is connected to a sliding block (902), and the bottom of the moving groove (11) is provided with a sliding groove (12), and the two sides of the sliding block (902) are slidably connected to the sliding groove (12).

4. A vibration reduction test bench according to claim 1, characterized in that: Built-in grooves (8) are provided on both sides of the workbench (2), and a bearing is embedded on one side of the inner wall of one of the built-in grooves (8), and a rotating shaft is rotatably connected inside the rotating shaft, and a double-grooved rod (5) is connected to one end of the rotating shaft, and one end of the double-grooved rod (5) extends out of the built-in groove (8) and is connected to a turntable (4), and a crank (3) is rotatably connected to one side of the turntable (4), and a sliding rod (7) is connected between the inner walls of the other built-in groove (8), and the outer wall of the double-grooved rod (5) is threadedly connected to two threaded seats (10), and the outer wall of the sliding rod (7) is slidably connected to two sliding sleeve seats (13).

5. A vibration reduction test bench according to claim 4, characterized in that: The two sides of the bottom of the movable frame (1) are respectively connected to one side of the corresponding sliding sleeve seat (13) and one side of the threaded seat (10), and the outer wall of the sliding sleeve seat (13) and the outer wall of the threaded seat (10) slide in the corresponding built-in grooves (8).

6. A vibration reduction test bench according to claim 4, characterized in that: The outer wall of the crank (3) is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid convex patterns.

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