Shock absorption structure of added elevator

Abstract

The added elevator damping structure comprises a bottom sealing base, a sealing cavity is formed in the bottom sealing base, a plurality of piston cylinders are evenly distributed and connected to the top of the bottom sealing base, and piston plates are connected to the interiors of the piston cylinders. The top of the piston plate is connected with a piston rod, the top of the piston rod extends to the outside and is connected with a bearing plate, the bottom of the piston plate is connected with an elastic rod, the bottom of the elastic rod is connected with an elastic base, the top in the sealing cavity is connected with a pressure sensor, the outer side of the bottom sealing base is connected with an air delivery pipe, and the end of the air delivery pipe is connected with an air pump. Compared with the prior art, the elevator shock absorption device has the advantages that a plurality of air compression shock absorption structures are arranged on the bottom sealing base, and the piston rods and the bearing plates are evenly and symmetrically arranged, so that accurate and stable shock absorption operation can be carried out on a descending elevator.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator structure design, specifically to an elevator shock-absorbing structure. Background Art

[0002] An elevator is a permanent transportation device that serves several specific floors in a building and whose car runs on at least two rows of rigid rails that are perpendicular to the horizontal plane or have an inclination angle of less than 15° to the plumb line.

[0003] During the elevator lifting process, it is often necessary to set a shock-absorbing structure at the bottom of the elevator shaft to ensure the stability of the elevator when it lands. The shock-absorbing structures in the existing technology are often simple shock absorbers, which are sufficient for objects, but cannot provide suitable and stable shock-absorbing force for some freight elevators with heavier loads. Utility Model Content

[0004] The technical problem to be solved by the present invention is to provide an elevator shock-absorbing structure in view of the deficiencies raised in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution provided by the utility model is as follows: an elevator shock-absorbing structure is installed, comprising a bottom sealing base, a sealing cavity is provided in the bottom sealing base, a plurality of piston cylinders are evenly distributed and connected to the top of the bottom sealing base, a piston plate is connected to the inside of the piston cylinder, a piston rod is connected to the top of the piston plate, and the top of the piston rod extends to the outside and is connected to a pressure plate;

[0006] The bottom of the piston plate is connected to an elastic rod, and the bottom of the elastic rod is connected to an elastic base;

[0007] A pressure sensor is connected to the top of the sealed cavity, an air pipe is connected to the outer side of the bottom sealed base, and an air pump is connected to the end of the air pipe.

[0008] Furthermore, a rubber pad is provided at the top of the pressure-bearing plate to assist in increasing the pressure-bearing capacity.

[0009] Furthermore, a plurality of limiting sleeve rods are connected to the bottom of the pressure plate, and a limiting sleeve which is sleeved on the limiting sleeve rods is connected to the top of the bottom sealing base, so as to facilitate the limiting lifting operation of the pressure plate.

[0010] Furthermore, a cavity is provided in the elastic base, the elastic rod extends into the cavity and is connected to a limit plate, and a plurality of springs are connected to the bottom of the limit plate to provide elasticity to the elastic rod.

[0011] Furthermore, a one-way valve is connected to the air supply pipe to prevent air backflow.

[0012] Furthermore, a plurality of pressure relief pipes are connected to one side of the bottom sealing base, and a pressure relief electric control valve is connected to the pressure relief pipe to facilitate stable pressure relief operations.

[0013] Furthermore, a fixed mounting plate is connected to the outer side of the bottom of the bottom sealing base, and a plurality of fixing bolt holes are provided on the fixed mounting plate to facilitate the stable and fixed installation of the bottom sealing base.

[0014] The advantages of the elevator shock-absorbing structure installed in the present invention compared with the existing technology are: the utility model provides multiple air-compressed shock-absorbing structures on the bottom sealing base, and can perform precise and stable shock-absorbing operations on the descending elevator through evenly and symmetrically arranged piston rods and pressure plates. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first structural diagram of an elevator shock-absorbing structure installed in the utility model.

[0016] Figure 2 This is a second structural diagram of an elevator shock-absorbing structure installed in the utility model.

[0017] Figure 3 The utility model is a schematic cross-sectional view of an elevator shock-absorbing structure.

[0018] Figure 4 The utility model is a side sectional structural schematic diagram of an elevator shock-absorbing structure installed.

[0019] As shown in the figure: 1. Bottom sealing base; 2. Sealing cavity; 3. Piston cylinder; 4. Piston rod; 5. Piston plate; 6. Elastic base; 7. Elastic rod; 8. Pressure plate; 9. Rubber pad; 10. Limit sleeve; 11. Limit sleeve rod; 12. Cavity; 13. Limit plate; 14. Spring; 15. Pressure sensor; 16. Air pump; 17. Air pipe; 18. One-way valve; 19. Pressure relief pipe; 20. Pressure relief electric control valve; 21. Fixed mounting plate; 22. Fixed bolt hole. DETAILED DESCRIPTION

[0020] The present invention will be described in further detail below with reference to the accompanying drawings.

[0021] Combined with attachment Figure 1-4, a kind of elevator shock absorption structure is installed, including a bottom sealing base 1, the bottom outer side of the bottom sealing base 1 is connected with a fixed mounting plate 21, the fixed mounting plate 21 is provided with a plurality of fixing bolt holes 22, the fixed mounting plate 21 can be used to fix the equipment body at the bottom of the elevator shaft with fixing bolts, ground nails or expansion nails, the bottom sealing base 1 is provided with a sealing cavity 2, the top of the bottom sealing base 1 is evenly distributed and connected with a plurality of piston cylinders 3, the piston cylinder 3 is connected with a piston plate 5, the top of the piston plate 5 is connected with a piston rod 4, the top of the piston rod 4 extends to the outside and is connected with a pressure plate 8, that is, under a heavier elevator When falling, the internal air pressure can provide upward thrust through the cooperation of the sealing cavity 2, the piston cylinder 3, the piston rod 4, the piston plate 5 and the pressure plate 8. The uniform arrangement of the piston cylinder 3 can ensure that the air at the bottom is uniform, and the upward thrust can also be guaranteed to be uniform, thereby stably supporting the falling elevator. The top of the pressure plate 8 is connected with a rubber pad 9, which can further improve shock absorption and protection operations. The bottom of the pressure plate 8 is connected with a plurality of limit sleeves 11, and the top of the bottom sealing base 1 is connected with a limit sleeve 10 that is sleeved with the limit sleeve 11. The limit sleeve 11 and the limit sleeve 10 can ensure the stable lifting and lowering operation of the pressure plate 8.

[0022] An elastic rod 7 is connected to the bottom of the piston plate 5, and an elastic base 6 is connected to the bottom of the elastic rod 7. A cavity 12 is provided in the elastic base 6. The elastic rod 7 extends into the cavity 12 and is connected to a limit plate 13. A plurality of springs 14 are connected to the bottom of the limit plate 13. The elastic rod 7 at the bottom can provide further stable elastic force to the piston plate 5. Although it cannot provide shock absorption, it can ensure the stable falling operation of the piston plate 5.

[0023] A pressure sensor 15 is connected to the top of the sealed cavity 2, and an air supply pipe 17 is connected to the outside of the bottom sealed base 1. The end of the air supply pipe 17 is connected to an air pump 16. A one-way valve 18 is connected to the air supply pipe 17. The pressure in the sealed cavity 2 is sensed by the pressure sensor 15, and the air in the sealed cavity 2 can be blown in conjunction with the air pump 16 to ensure that the pressure in the sealed cavity 2 is uniform. A plurality of pressure relief pipes 19 are connected to one side of the bottom sealed base 1, and a pressure relief electric control valve 20 is connected to the pressure relief pipe 19. The pressure is sensed by the pressure sensor 15. If the pressure is large, the pressure relief electric control valve 20 is used to perform auxiliary pressure relief operations.

[0024] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. An elevator shock-absorbing structure comprising a bottom sealing base (1), characterized in that: The bottom sealing base (1) is provided with a sealing cavity (2), the top of the bottom sealing base (1) is evenly distributed and connected with a plurality of piston cylinders (3), the piston cylinder (3) is connected with a piston plate (5), the top of the piston plate (5) is connected with a piston rod (4), and the top of the piston rod (4) is extended to the outside and connected with a pressure plate (8); The bottom of the piston plate (5) is connected to an elastic rod (7), and the bottom of the elastic rod (7) is connected to an elastic base (6); A pressure sensor (15) is connected to the top of the sealed cavity (2), an air supply pipe (17) is connected to the outside of the bottom sealed base (1), and an air pump (16) is connected to the end of the air supply pipe (17).

2. The elevator shock-absorbing structure according to claim 1, characterized in that: The top of the pressure bearing plate (8) is connected with a rubber pad (9).

3. The elevator shock-absorbing structure according to claim 1, characterized in that: The bottom of the pressure plate (8) is connected to a plurality of limiting sleeve rods (11), and the top of the bottom sealing base (1) is connected to a limiting sleeve (10) sleeved with the limiting sleeve rods (11).

4. The elevator shock-absorbing structure according to claim 1, characterized in that: The elastic base (6) is provided with a cavity (12), the elastic rod (7) extends into the cavity (12) and is connected to a limit plate (13), and a plurality of springs (14) are connected to the bottom of the limit plate (13).

5. The elevator shock-absorbing structure according to claim 1, characterized in that: The gas delivery pipe (17) is connected with a one-way valve (18).

6. The elevator shock-absorbing structure according to claim 1, characterized in that: A plurality of pressure relief pipes (19) are connected to one side of the bottom sealing base (1), and a pressure relief electric control valve (20) is connected to the pressure relief pipe (19).

7. The elevator shock-absorbing structure according to claim 1, characterized in that: The bottom outer side of the bottom sealing base (1) is connected to a fixed mounting plate (21), and the fixed mounting plate (21) is provided with a plurality of fixing bolt holes (22).

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