Shaft cage cradle counter weight falling buffering device

Abstract

The utility model relates to the technical field of shaft cage cradles, in particular to a shaft cage cradle heavy hammer falling buffer device which comprises a box body, a second buffer mechanism is arranged on the left side of the bottom of an inner cavity of the box body and comprises a vertical shell, and the bottom of the vertical shell is welded to the bottom of the inner cavity of the box body. The top of the vertical shell penetrates to the outer side of the box body, a first buffering mechanism is arranged in an inner cavity of the vertical shell and comprises a sliding friction plate, and the surface of the sliding friction plate is in sliding connection with the joint of the inner wall of the vertical shell. The movable door, the guide sliding rail, the supporting connecting shaft, the heavy hammer body and the contact supporting plate are used in cooperation, and in the using process, under the buffering effect of the rubber spring column and the buffering spring, mechanical energy is gradually converted into internal energy to be dissipated in the mode that the sliding friction plate rubs the inner wall of the vertical shell.

Description

Technical Field

[0001] The utility model relates to the technical field of a vertical shaft cage cradle, in particular to a vertical shaft cage cradle weight drop replacement buffer device. Background Art

[0002] The shaft cage cradle, also known as the cradle, is a foldable receiving device, which is mainly used for receiving cages at the mine mouth, the bottom of the mine and the intermediate stage. When the cage arrives, the cradle will fall and connect to the wellhead and the cage, and the mine car can enter and exit the cage along the track and fold it up. In the process of the shaft cage cradle weight falling, the weight falling and buffering device is often needed.

[0003] After searching, the patent number is CN208107041U, and the name is a mining rocking table hydraulic buffer device, which belongs to the vertical shaft lifting and transportation equipment. Through research and analysis, it is found that although it has the advantage of reducing spring fatigue, it still has the following disadvantages to a certain extent.

[0004] For example, the above-mentioned shaft cage cradle weight drop-down buffering device only has a single friction buffer during use, which may cause a large amount of mechanical energy to be converted into internal energy during the buffering process, thereby affecting the internal energy dissipation efficiency of its main body due to the instantaneous internal energy accumulation, thereby causing a certain impact on the service life of the equipment main body. In order to solve the above technical problems, we have designed a shaft cage cradle weight drop-down buffering device. Utility Model Content

[0005] The utility model aims to provide a shaft cage rocking platform weight hammer drop replacement buffer device, which has the advantages of double buffering to improve the internal energy dissipation efficiency and solves the problem of single buffering technology leading to instantaneous accumulation of a large amount of internal energy.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a vertical shaft cage cradle weight drop replacement buffer device, comprising a box body, a second buffer mechanism is arranged on the left side of the bottom of the inner cavity of the box body, the second buffer mechanism comprises a vertical shell, the bottom of the vertical shell is welded to the bottom of the inner cavity of the box body, the top of the vertical shell passes through to the outside of the box body, the inner cavity of the vertical shell is provided with a first buffer mechanism, the first buffer mechanism comprises a sliding friction plate, and the surface of the sliding friction plate is slidably connected to the connection between the inner wall of the vertical shell and the vertical shell.

[0007] Preferably, the front side of the box body is movably connected to a movable door via a hinge, and an observation mirror is installed through the front side of the movable door.

[0008] Preferably, a support frame is welded to the top of the right side of the box body, a weight body is arranged on the top of the box body, the side of the weight body close to the support frame is slidably connected to the surface of the support frame, a support connecting shaft is welded to the left side of the bottom of the weight body, and a guide slide rail used in conjunction with the support connecting shaft is welded at the center of the top of the box body.

[0009] Preferably, a support column is welded to the top of the sliding friction plate, a contact support plate is welded to the top of the support column, sliding rods are penetrated at the four corners of the top of the sliding friction plate, limiting plates are welded to the top and bottom of the sliding rod, the upper limiting plate is welded to the inner wall of the vertical shell on one side close to the inner wall of the vertical shell, and a buffer spring is provided on the bottom fixed sleeve of the sliding rod surface.

[0010] Preferably, the four corners of the bottom of the sliding friction plate are hot-melt connected with rubber spring columns, a transmission plate is welded to the left side of the bottom of the sliding friction plate, the side of the transmission plate away from the sliding friction plate extends to the outside of the box, the front and rear sides of the left side of the box are hot-melt connected with damping sleeves, the front and rear sides of the bottom of the transmission plate are welded with transmission rods used in conjunction with the damping sleeves, and a limiting block is welded to the bottom of the transmission rod.

[0011] Preferably, a supporting vertical rod is welded to the bottom of the guide rail, and the bottom of the supporting vertical rod is welded to the top of the box body.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model is provided with a movable door, a support frame, a guide slide rail, a support connecting shaft, a heavy hammer body and a contact support plate. During use, a part of the impact can be gradually converted from mechanical energy to internal energy for dissipation through the friction between the sliding friction plate and the inner wall of the vertical shell under the buffering effect of the rubber spring column and the buffer spring.

[0014] 2. The utility model arranges the transmission plate, the transmission rod, the damping sleeve, the limit block, the support column, the sliding rod and the sliding friction plate for coordinated use. During use, the other smaller impact can be converted from mechanical energy into internal energy for dissipation under the action of the friction between the transmission rod and the inner wall of the damping sleeve. While ensuring the buffering effect, the impact on the equipment life caused by the accumulation of internal energy is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional axonometric diagram of the local structure of the utility model;

[0017] Figure 3It is a three-dimensional front view schematic diagram of the local structure of the utility model;

[0018] Figure 4 It is a three-dimensional cross-sectional schematic diagram of the local structure of the utility model.

[0019] In the figure: 1. box body; 2. movable door; 3. support frame; 4. guide rail; 5. support connecting shaft; 6. heavy hammer body; 7. contact support plate; 8. vertical shell; 9. transmission plate; 10. transmission rod; 11. damping sleeve; 12. limit block; 13. support column; 14. sliding rod; 15. sliding friction plate; 16. support vertical rod; 17. buffer spring; 18. limit plate; 19. rubber spring column; 20. first buffer mechanism; 21. second buffer mechanism. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 A vertical shaft cage cradle weight drop replacement buffer device comprises a box body 1, a second buffer mechanism 21 is arranged on the left side of the bottom of the inner cavity of the box body 1, the second buffer mechanism 21 comprises a vertical shell 8, the bottom of the vertical shell 8 is welded to the bottom of the inner cavity of the box body 1, the top of the vertical shell 8 passes through the outside of the box body 1, the inner cavity of the vertical shell 8 is provided with a first buffer mechanism 20, the first buffer mechanism 20 comprises a sliding friction plate 15, the surface of the sliding friction plate 15 is slidably connected with the connection between the inner wall of the vertical shell 8 and the vertical shell 8.

[0021] See also Figure 2 The front side of the box body 1 is movably connected with a movable door 2 through a hinge, and an observation mirror is installed through the front side of the movable door 2.

[0022] See also Figure 2 A support frame 3 is welded to the top of the right side of the box body 1, and a heavy hammer body 6 is arranged on the top of the box body 1. The side of the heavy hammer body 6 close to the support frame 3 is slidably connected to the surface of the support frame 3, and a support connecting shaft 5 is welded to the left side of the bottom of the heavy hammer body 6. A guide slide rail 4 used in conjunction with the support connecting shaft 5 is welded at the center of the top of the box body 1.

[0023] See also Figure 4 A support column 13 is welded to the top of the sliding friction plate 15, and a contact support plate 7 is welded to the top of the support column 13. Sliding rods 14 are penetrated at the four corners of the top of the sliding friction plate 15. Limiting plates 18 are welded to the top and bottom of the sliding rod 14. The side of the upper limiting plate 18 close to the inner wall of the vertical shell 8 is welded to the inner wall of the vertical shell 8, and a buffer spring 17 is provided on the bottom fixed sleeve of the surface of the sliding rod 14.

[0024] See also Figure 3The four corners of the bottom of the sliding friction plate 15 are hot-melt connected with rubber spring columns 19, a transmission plate 9 is welded to the left side of the bottom of the sliding friction plate 15, and the side of the transmission plate 9 away from the sliding friction plate 15 penetrates to the outside of the box body 1, and the front and rear sides of the left side of the box body 1 are hot-melt connected with damping sleeves 11, and the front and rear sides of the bottom of the transmission plate 9 are welded with transmission rods 10 used in conjunction with the damping sleeves 11, and a limiting block 12 is welded to the bottom of the transmission rod 10.

[0025] See also Figure 2 A support vertical rod 16 is welded to the bottom of the guide rail 4 , and the bottom of the support vertical rod 16 is welded to the top of the box body 1 .

[0026] By providing the support vertical rod 16, the guide rail 4 can be supported in a balanced manner, thereby improving the support stability of the main body thereof;

[0027] By providing the guide rail 4, the supporting connecting shaft 5 can be guided during the height adjustment process of the weight body 6, thereby improving the movement stability of the body;

[0028] By providing an observation mirror, the inner cavity of the box body 1 can be displayed so that the user can observe it;

[0029] By providing the limiting block 12 , the transmission rod 10 can be limited during its movement to prevent it from falling off from the inner cavity of the damping sleeve 11 .

[0030] During use, when it is necessary to buffer the falling weight body 6, the weight body 6 transfers mechanical energy by contacting the contact support plate 7. A part of the impact is gradually converted from mechanical energy to internal energy for dissipation through the friction between the sliding friction plate 15 and the inner wall of the vertical shell 8 under the buffering action of the rubber spring column 19 and the buffer spring 17. The other smaller part of the impact is converted from mechanical energy to internal energy for dissipation under the action of the friction between the transmission rod 10 and the inner wall of the damping sleeve 11. While ensuring the buffering effect, the impact on equipment life caused by internal energy accumulation is avoided.

[0031] In summary: the shaft cage cradle weight drop replacement buffer device solves the problem of instantaneous accumulation of a large amount of internal energy due to a single buffering technology by arranging a transmission plate 9, a transmission rod 10, a damping sleeve 11, a limit block 12, a support column 13, a sliding rod 14, a sliding friction plate 15, a support vertical rod 16 and a non-buffering spring 17.

Claims

1. A vertical shaft cage cradle weight drop replacement buffer device, comprising a box (1), characterized in that: A second buffer mechanism (21) is arranged on the left side of the bottom of the inner cavity of the box body (1), and the second buffer mechanism (21) includes a vertical shell (8), the bottom of the vertical shell (8) is welded to the bottom of the inner cavity of the box body (1), and the top of the vertical shell (8) penetrates to the outside of the box body (1), and the inner cavity of the vertical shell (8) is provided with a first buffer mechanism (20), and the first buffer mechanism (20) includes a sliding friction plate (15), and the surface of the sliding friction plate (15) is slidably connected to the connection point of the inner wall of the vertical shell (8).

2. A shaft cage cradle weight drop-change buffer device according to claim 1, characterized in that: The front side of the box body (1) is movably connected to a movable door (2) via a hinge, and an observation mirror is installed through the front side of the movable door (2).

3. A shaft cage cradle weight drop-change buffer device according to claim 1, characterized in that: A support frame (3) is welded to the top of the right side of the box body (1), a weight body (6) is arranged on the top of the box body (1), a side of the weight body (6) close to the support frame (3) is slidably connected to the surface of the support frame (3), a support connecting shaft (5) is welded to the left side of the bottom of the weight body (6), and a guide slide rail (4) used in conjunction with the support connecting shaft (5) is welded at the center of the top of the box body (1).

4. A shaft cage cradle weight drop-change buffer device according to claim 1, characterized in that: A support column (13) is welded to the top of the sliding friction plate (15), a contact support plate (7) is welded to the top of the support column (13), sliding rods (14) are provided through the four corners of the top of the sliding friction plate (15), and limiting plates (18) are welded to the top and bottom of the sliding rod (14), and the upper limiting plate (18) is welded to the inner wall of the vertical shell (8) on one side close to the inner wall of the vertical shell (8), and a buffer spring (17) is provided on the bottom fixed sleeve of the surface of the sliding rod (14).

5. The vertical shaft cage cradle weight drop-change buffer device according to claim 1, characterized in that: The four corners of the bottom of the sliding friction plate (15) are connected by hot-melt with rubber spring columns (19), the left side of the bottom of the sliding friction plate (15) is welded with a transmission plate (9), the side of the transmission plate (9) away from the sliding friction plate (15) penetrates to the outside of the box body (1), the front and rear sides of the left side of the box body (1) are connected by hot-melt with damping sleeves (11), the front and rear sides of the bottom of the transmission plate (9) are welded with transmission rods (10) used in conjunction with the damping sleeves (11), and the bottom of the transmission rod (10) is welded with a limiting block (12).

6. A vertical shaft cage cradle weight drop-change buffer device according to claim 3, characterized in that: A supporting vertical rod (16) is welded to the bottom of the guide slide rail (4), and the bottom of the supporting vertical rod (16) is welded to the top of the box body (1).

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