CN212315246U

CN212315246U - Safety elevator

Info

Publication number: CN212315246U
Application number: CN202020709867.5U
Authority: CN
Inventors: 贺辉
Original assignee: Liu Panjie; Shi Zhenlei
Current assignee: Liu Panjie; Shi Zhenlei
Priority date: 2020-05-03
Filing date: 2020-05-03
Publication date: 2021-01-08
Anticipated expiration: 2030-05-03

Abstract

The utility model relates to the technical field of elevator, and a safety elevator is disclosed, including elevator main part, elevator main part's both ends fixedly connected with fixed block, elevator main part's top both sides are provided with the fixed strip of fixing at the elevartor shaft lateral wall, the bar groove has been seted up on the surface of fixed strip, the draw-in groove has been seted up to the inner wall in bar groove, the fixed coiling mechanism that is provided with in inside upper end in bar groove, the coiling has the traction band on the coiling mechanism, the other end and the fixed block in traction band are connected, this kind of safety elevator, through setting up coiling mechanism, fixed strip and traction band, cooperation between the three can be when elevator main part tenesmus suddenly, fix elevator main part to guarantee elevator personnel's safety.

Description

Safety elevator

Technical Field

The utility model relates to an elevator technical field specifically is a safety elevator.

Background

The security of elevator is the important index of elevator performance, and protection device such as overspeed governor and safety tongs are adopted to present elevator more, but still can appear the elevator and fall and the casualty incident that leads to appears, makes many people fear with one's mind when taking.

The situation that the elevator can fall down after power failure comprises the following situations that 1, the mechanical internal contracting brake system of the elevator main machine fails; 2. when the steel wire rope is broken; 3. when overload fails and overload is serious; 4. when the operation is damaged manually. Wherein the failure of the mechanical band-type brake system of the elevator main machine is most likely to cause the elevator to be dropped in power failure, so that further design is necessary.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a safety elevator has solved the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a safety elevator comprises an elevator main body, wherein fixed blocks are fixedly connected to two ends of the elevator main body, fixed strips fixed to the side wall of an elevator shaft are arranged on two sides above the elevator main body, a strip-shaped groove is formed in the surface of each fixed strip, a clamping groove is formed in the inner wall of each strip-shaped groove, a winding device is fixedly arranged at the upper end inside each strip-shaped groove, a traction belt is wound on each winding device, and the other end of each traction belt is connected with the fixed blocks;

the winding device comprises a winding wheel and a limiting wheel fixedly connected to one side of the winding wheel, the traction belt is wound on the winding wheel, a rotating shaft connected with the side wall of the strip-shaped groove in a rotating mode is fixedly connected to one side of the winding wheel, a motor is fixedly connected to the outer side wall of the fixing strip, the output end of the motor is connected with the rotating shaft, the rotating shaft connected with the side wall of the strip-shaped groove in a rotating mode is also arranged at one end of the limiting wheel, a fixing column is arranged inside the limiting wheel, a spring is fixedly connected to the surface of the fixing column, a sliding hole corresponding to the spring is formed in the surface of the limiting wheel, a limiting column is connected to the sliding hole in a sliding mode, and.

Preferably, the number of the clamping grooves is multiple, and the clamping grooves are arranged at equal intervals.

Preferably, the number of the springs is multiple, and the springs are arranged on the surface of the fixed column in an encircling mode at equal intervals.

Preferably, the winding wheel, the limiting wheel and the fixing column are arranged concentrically.

Preferably, the diameter of the limiting column is smaller than the length and the width of the clamping groove.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of safety elevator through setting up coiling mechanism, fixed strip and traction area, cooperation between the three can be when elevator main part drops suddenly, fixes the elevator main part to personnel's safety in the assurance elevator.

2. This kind of safety elevator, when the elevator descends suddenly, the traction band drives the coiling mechanism fast and rotates, and the centrifugal force increase that spacing post received is outstanding from the slide opening and draw-in groove joint, avoids the continuation tenesmus of elevator.

Drawings

Fig. 1 is a schematic structural view of a safety elevator of the present invention;

fig. 2 is a sectional view of a winding device in a safety elevator of the utility model;

fig. 3 is the utility model relates to a coiling mechanism schematic diagram in safety elevator.

In the figure: 1 elevator main part, 2 coiling mechanisms, 201 coiling wheels, 202 limiting wheels, 203 rotating shafts, 204 limiting columns, 205 springs, 206 fixing columns, 3 fixing strips, 4 traction belts, 5 fixing blocks, 6 clamping grooves, 7 strip-shaped grooves and 8 motors.

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.

Examples

Referring to fig. 1-3, a safety elevator comprises an elevator main body 1, wherein fixed blocks 5 are fixedly connected to two ends of the elevator main body 1, fixed strips 3 fixed to the side wall of an elevator shaft are arranged on two sides above the elevator main body 1, strip-shaped grooves 7 are formed in the surfaces of the fixed strips 3, clamping grooves 6 are formed in the inner walls of the strip-shaped grooves 7, the clamping grooves 6 are multiple in number, the clamping grooves 6 are arranged at equal intervals, a winding device 2 is fixedly arranged at the upper end inside the strip-shaped grooves 7, a traction belt 4 is wound on the winding device 2, and the other end of the traction belt 4 is connected with the fixed blocks 5;

the winding device 2 comprises a winding wheel 201 and a limiting wheel 202 fixedly connected to one side of the winding wheel 201, the limiting wheel 202 and a fixing column 206 are concentrically arranged, a traction belt 4 is wound on the winding wheel 201, one side of the winding wheel 201 is fixedly connected with a rotating shaft 203 rotatably connected with the side wall of a strip-shaped groove 7, the outer side wall of a fixing strip 3 is fixedly connected with a motor 8, the output end of the motor 8 is connected with the rotating shaft 203, one end of the limiting wheel 202 is also provided with the rotating shaft 203 rotatably connected with the side wall of the strip-shaped groove 7, the fixing column 206 is arranged inside the limiting wheel 202, a spring 205 is fixedly connected to the surface of the fixing column 206, the number of the springs 205 is multiple, the springs 205 are arranged on the surface of the fixing column 206 in an equidistant surrounding manner, a sliding hole corresponding to the spring 205 is formed in the surface of the limiting wheel 202, a limiting, Wide, one end of the limiting column 204 is fixedly connected with the end of the spring 205.

The working principle is as follows: during the use, when elevator main part 1 normal use, elevator main part 1 descends, elevator main part 1 drives traction belt 4 and descends, drive coiling mechanism 2 and rotate, realize loosening of traction belt 4, when elevator main part 1 ascends, motor 8 drives coiling mechanism 2 and rotates, realize the rolling of wind-up wheel 201 to traction belt 4, when elevator main part 1 breaks down suddenly and descends, elevator main part 1 drives traction belt 4 and descends fast this moment, traction belt 4 then drives coiling mechanism 2 and rotates fast, the centrifugal force of spacing post 204 is greater than the pulling force of spring 205 this moment, spacing post 204 outwards roll-off from the slide opening, spacing post 204 length increase after the roll-off can block with draw-in groove 6, realize the fixed to elevator main part 1, avoid elevator main part 1 to continue the harm that the tenesmus caused.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The safety elevator comprises an elevator main body (1), and is characterized in that two ends of the elevator main body (1) are fixedly connected with fixing blocks (5), fixing strips (3) fixed on the side wall of an elevator shaft are arranged on two sides above the elevator main body (1), a strip-shaped groove (7) is formed in the surface of each fixing strip (3), a clamping groove (6) is formed in the inner wall of each strip-shaped groove (7), a winding device (2) is fixedly arranged at the upper end inside each strip-shaped groove (7), a traction belt (4) is wound on each winding device (2), and the other end of each traction belt (4) is connected with each fixing block (5);

the winding device (2) comprises a winding wheel (201) and a limiting wheel (202) fixedly connected to one side of the winding wheel (201), the traction belt (4) is wound on the winding wheel (201), one side of the winding wheel (201) is fixedly connected with a rotating shaft (203) rotatably connected with the side wall of the strip-shaped groove (7), the outer side wall of the fixed strip (3) is fixedly connected with a motor (8), the output end of the motor (8) is connected with the rotating shaft (203), one end of the limiting wheel (202) is also provided with the rotating shaft (203) rotatably connected with the side wall of the strip-shaped groove (7), a fixed column (206) is arranged inside the limiting wheel (202), the surface of the fixed column (206) is fixedly connected with a spring (205), the surface of the limiting wheel (202) is provided with a sliding hole corresponding to the spring (205), and a limiting column (204) is slidably connected in the sliding hole, one end of the limiting column (204) is fixedly connected with the end part of the spring (205).

2. A safety elevator according to claim 1, characterized in that said number of slots (6) is plural, and said slots (6) are equally spaced.

3. A safety elevator according to claim 1, characterized in that the number of said springs (205) is plural, and a plurality of said springs (205) are arranged around the surface of the fixed column (206) at equal intervals.

4. A safety elevator according to claim 1, characterized in that the winding wheel (201), the stopping wheel (202) and the fixing post (206) are arranged concentrically.

5. A safety elevator according to claim 1, characterized in that the diameter of the restraining post (204) is smaller than the length and width of the catch (6).