CN212799176U

CN212799176U - Safety device for elevator inspection

Info

Publication number: CN212799176U
Application number: CN202021623713.0U
Authority: CN
Inventors: 常寅飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-03-26
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a safety device that elevator inspection used, the power distribution box comprises a box body, the vertical installation dead lever in middle part in the box, dead lever surface longitudinal symmetry set up the movable plate, and spring one is established to dead lever surface cover, and spring both ends fixed connection movable plate respectively, and the nearly box inner wall one end of movable plate installation electronic lock one, and the box inner wall corresponds the position installation electronic lock two of electronic lock one, and the symmetry sets up the electro-magnet between two movable plates, movable plate one end bilateral symmetry installation connecting rod, and bilateral symmetry sets up the telescopic link in the box, and box one end installation clutch blocks is far away to the telescopic link. The utility model discloses an electronic inductor detects the elevator and control when falling rapidly that breaks down and loosen between electronic lock one and the electronic lock two, and the characteristic that resets through spring one makes two movable boards remove to the centre, and the telescopic link drives the friction block and removes to the elevartor shaft inner wall, and the friction block contacts the elevartor shaft inner wall, drops the increase resistance for the elevator through frictional force, reduces the elevator speed of dropping.

Description

Safety device for elevator inspection

Technical Field

The utility model relates to a safety device specifically is a safety device that elevator inspection was used.

Background

An elevator is a permanent transport device serving a number of specific floors in a building, the cars of which travel in at least two rigid tracks perpendicular to the horizontal or inclined at an angle of less than 15 ° to the vertical. There are also steps, where the tread plates are mounted on a track for continuous operation, commonly known as escalators or moving walkways. A fixed elevator apparatus serving a predetermined floor. The vertical lift elevator has a car that runs between at least two vertical rows of rigid guide rails or guide rails with an angle of inclination of less than 15 °. Chinese patent discloses a safety device (No. CN 207030672U) for elevator inspection, which can consume the residual energy to stop the car slowly, has simple structure, good buffering effect and easy assembly and disassembly, but can only perform buffering protection when the bottom of the elevator is in fast contact with the ground, and can not decelerate and block the falling elevator. Therefore, the utility model provides a safety device that elevator inspection was used to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device that elevator inspection was used to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a safety device for elevator inspection comprises a box body, wherein a fixed rod is vertically arranged in the middle of the box body, movable plates are symmetrically arranged on the outer surface of the fixed rod up and down, the movable plates are connected with the fixed rod in a sliding manner, a first spring is sleeved on the outer surface of the fixed rod, two ends of the first spring are respectively and fixedly connected with the movable plates, a first electronic lock is arranged at one end, close to the inner wall of the box body, of the movable plate, a second electronic lock is arranged at a position, corresponding to the first electronic lock, of the inner wall of the box body, the first electronic lock is matched with the second electronic lock, electromagnets are symmetrically arranged between the two movable plates, a plurality of support rods are arranged at one end, close to the movable plates, of the electromagnets are fixedly connected with the movable plates, an insulating layer is arranged on the inner wall of, the connecting rod other end rotates and connects the telescopic link, and the box one end installation clutch blocks is far away to the telescopic link, and the box below sets up the backup pad, and a plurality of buffer beam is installed to the backup pad upper end, and the buffer beam upper end passes the box lower extreme, and buffer beam upper end installation stopper, buffer beam overcoat establish spring two, and box lower extreme installation stop device, and stop device one end fixed connection backup pad, stop device overcoat establishes spring three, and spring three is fixed connection box and backup pad respectively.

As the utility model discloses further scheme, stop device includes hollow block, limiting plate, solid block, sets up the limiting plate in the hollow block, and limiting plate and hollow block inner wall sliding connection, and hollow block one end fixed connection limiting plate is passed to solid block upper end, sets up spring four in the hollow block, and the spring four in the limiting plate top.

As the utility model discloses scheme further again, the box bilateral symmetry sets up the installation piece, and installation piece up end and box up end set up the mounting hole in same horizontal plane, installation piece.

As the utility model discloses scheme further again, the bottom sets up the power in the box, and the power is located the dead lever left.

As the utility model discloses scheme further again, the bottom sets up the electronic inductor in the box, and it is right-hand that the electronic inductor is located the dead lever.

As a further proposal, the lower end of the support plate is provided with a cushion pad.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an electronic inductor detects the elevator and control when falling rapidly and loosen between electronic lock one and the electronic lock two, the characteristic of restoring to the throne through spring one makes two movable boards remove to the centre, make two telescopic links move to the outside, the telescopic link drives the clutch blocks and removes to the elevartor shaft inner wall, clutch blocks contact elevartor shaft inner wall, it increases the resistance to drop for the elevator through frictional force, reduce the elevator speed that drops, two electro-magnets firmly adsorb together, fix the position of telescopic link and clutch blocks, cushion through the blotter, through spring two, spring three and spring four cushion, slow down slowly.

Drawings

Fig. 1 is a schematic view of a safety device for elevator inspection.

Fig. 2 is a schematic structural view of a position limiting device in a safety device for elevator inspection.

Fig. 3 is a schematic view showing the structure of an electromagnet in a safety device for elevator inspection.

In the figure: 1. a box body; 11. mounting blocks; 12. mounting holes; 13. a power source; 14. an electronic inductor; 15. a second electronic lock; 2. fixing the rod; 21. a first spring; 22. moving the plate; 23. a first electronic lock; 3. an electromagnet; 31. an insulating layer; 32. a support bar; 4. a connecting rod; 5. a telescopic rod; 51. a friction block; 6. a limiting device; 61. a hollow block; 62. a limiting plate; 63. a solid block; 64. a fourth spring; 7. a support plate; 71. a cushion pad; 8. a third spring; 9. a buffer rod; 91. a limiting block; 92. and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, a safety device for elevator inspection comprises a box body 1, wherein the box body 1 is symmetrically provided with mounting blocks 11, the upper end surface of the mounting blocks 11 and the upper end surface of the box body 1 are on the same horizontal plane, mounting holes 12 are formed in the mounting blocks 11, a fixed rod 2 is vertically installed in the middle of the box body 1, a movable plate 22 is vertically installed on the outer surface of the fixed rod 2, the movable plate 22 is slidably connected with the fixed rod 2, a first spring 21 is sleeved on the outer surface of the fixed rod 2, two ends of the first spring 21 are respectively and fixedly connected with the movable plate 22, a first electronic lock 23 is installed on the movable plate 22 near one end of the inner wall of the box body 1, a second electronic lock 15 is installed on the inner wall of the box body 1 at a position corresponding to the first electronic lock 23, the first electronic lock 23 is matched with the, the support rod 32 is fixedly connected with the movable plate 22, the inner wall of the electromagnet 3 is provided with the insulating layer 31, the connecting rods 4 are symmetrically arranged at the left and right ends of the movable plate 22 close to the first spring 21, the telescopic rods 5 are symmetrically arranged at the left and right sides in the box body 1, one end of each telescopic rod 5 penetrates through the box body 1, the telescopic rod 5 is positioned at the central position between the two movable plates 22, one end of each connecting rod 4 is rotatably connected with the corresponding movable plate 22, the other end of each connecting rod 4 is rotatably connected with the corresponding telescopic rod 5, the friction block 51 is arranged at the end, far away from the box body 1, of each telescopic rod 5, the power supply 13 is arranged at the bottom in the box body 1 and is positioned at the left side of the fixed rod 2, the electronic inductor 14 is positioned at the right side of the fixed rod 2, the support plate 7 is arranged below the box body 1, stop device 6 is installed to 1 lower extreme of box, and 6 one end fixed connection backup pad 7 of stop device, stop device 6 overcoat establishes three 8 of spring, and three 8 difference fixed connection box 1 and backup pad 7 of spring, the backup pad 7 lower extreme sets up blotter 71, stop device 6 includes hollow block 61, limiting plate 62, solid block 63, set up limiting plate 62 in the hollow block 61, and limiting plate 62 and hollow block 61 inner wall sliding connection, hollow block 61 one end fixed connection limiting plate 62 is passed to solid block 63 upper end, set up four 64 of spring in the hollow block 61, and four 64 of spring are located the limiting plate 62 top.

The utility model discloses a theory of operation is: the device is installed at the bottom of an elevator through the installation block 11 and the installation hole 12, when the elevator goes down rapidly due to a fault, the electronic sensor 14 detects and controls the first electronic lock 23 and the second electronic lock 15 to be loosened immediately, the two moving plates 22 move towards the middle through the resetting characteristic of the first spring 21, because the connecting rod 4 is rotatably connected with the moving plates 22 and the telescopic rods 5, the moving plates 22 enable the two telescopic rods 5 to move towards the outer side through the connecting rod 4, the telescopic rods 5 drive the friction blocks 51 to move towards the inner wall of the elevator shaft, the friction blocks 51 are contacted with the inner wall of the elevator shaft, resistance is added to the falling of the elevator through friction force, the falling speed of the elevator is reduced, the electromagnet 3 is electrified to generate magnetic force, the two electromagnets 3 are firmly adsorbed together, the positions of the telescopic rods 5 and the friction blocks 51 are fixed, buffering is performed through the buffering cushion 71, and, the solid block 63 moves into the hollow block 61, and is buffered by the second spring 92, the third spring 8, and the fourth spring 64, and is slowly decelerated.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A safety device for elevator inspection comprises a box body (1) and is characterized in that a fixed rod (2) is vertically installed in the middle of the interior of the box body (1), movable plates (22) are arranged on the outer surface of the fixed rod (2) in an up-down symmetrical mode, the movable plates (22) are connected with the fixed rod (2) in a sliding mode, a first spring (21) is sleeved on the outer surface of the fixed rod (2), two ends of the first spring (21) are respectively fixedly connected with the movable plates (22), a first electronic lock (23) is installed at one end, close to the inner wall of the box body (1), of each movable plate (22), a second electronic lock (15) is installed at the position, corresponding to the first electronic lock (23), of the inner wall of the box body (1), the first electronic lock (23) is matched with the second electronic lock (15), electromagnets (3) are symmetrically arranged between the two movable plates (22), a plurality of supporting rods (, an insulating layer (31) is arranged on the inner wall of an electromagnet (3), connecting rods (4) are symmetrically installed at the left and right sides of one end, close to a spring I (21), of a movable plate (22), telescopic rods (5) are symmetrically arranged in a box body (1), one end of each telescopic rod (5) penetrates through the box body (1), each telescopic rod (5) is located at the central position between two movable plates (22), one end of each connecting rod (4) is rotatably connected with the movable plate (22), the other end of each connecting rod (4) is rotatably connected with each telescopic rod (5), a friction block (51) is installed at one end, far away from the box body (1), of each telescopic rod (5), a supporting plate (7) is arranged below the box body (1), a plurality of buffer rods (9) are installed at the upper end of the supporting plate (7), the lower ends of the buffer rods (9) penetrate through the lower end of the box body (1), a, and one end of the limiting device (6) is fixedly connected with the supporting plate (7), the outer surface of the limiting device (6) is sleeved with a third spring (8), and the third spring (8) is respectively and fixedly connected with the box body (1) and the supporting plate (7).

2. The safety device of claim 1, characterized in that limiting device (6) includes hollow block (61), limiting plate (62), solid block (63), set up limiting plate (62) in hollow block (61), and limiting plate (62) and hollow block (61) inner wall sliding connection, hollow block (61) one end fixed connection limiting plate (62) is passed to solid block (63) upper end, set up spring four (64) in hollow block (61), and spring four (64) is located limiting plate (62) top.

3. The safety device for elevator inspection according to claim 1, characterized in that the box body (1) is provided with mounting blocks (11) in bilateral symmetry, the upper end surfaces of the mounting blocks (11) and the upper end surface of the box body (1) are in the same horizontal plane, and mounting holes (12) are formed in the mounting blocks (11).

4. The safety device for elevator inspection according to claim 1, wherein the power supply (13) is installed at the bottom of the cabinet (1), and the power supply (13) is located at the left of the fixing rod (2).

5. The safety device for elevator inspection according to claim 1, wherein the electronic sensor (14) is disposed at the bottom of the box body (1), and the electronic sensor (14) is located at the right of the fixing rod (2).

6. A safety device for elevator inspection according to claim 1, characterized in that the lower end of the supporting plate (7) is provided with a cushion pad (71).