CN114955779A

CN114955779A - Elevator first aid communication device

Info

Publication number: CN114955779A
Application number: CN202210541648.4A
Authority: CN
Inventors: 王亮; 王瑞; 朱彬彬; 周朦; 傅镜淇
Original assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Current assignee: Special Equipment Safety Supervision Inspection Institute of Jiangsu Province
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-08-30
Anticipated expiration: 2042-05-17
Also published as: CN114955779B

Abstract

The invention discloses an elevator emergency communication device, which comprises a wall body, a bearing plate, guide rails, an elevator cage and a counterweight block, wherein the bearing plate is fixedly arranged on the wall body, a plurality of guide rails are fixedly arranged between the bearing plate and the ground, a movable frame is slidably arranged on the guide rails, the elevator cage is fixedly arranged on the movable frame through a plurality of fixed plates, a traction motor is fixedly arranged on the bearing plate, a rotating disc is fixedly arranged on an output shaft of the traction motor, a steel wire rope is wound on the rotating disc, one end of the steel wire rope is fixedly connected with the counterweight block, the other end of the steel wire rope is fixedly connected with the upper end of a transverse plate, the transverse plate is fixedly arranged on the movable frame, and a protection mechanism and an automatic communication mechanism which act on the elevator cage are arranged in the guide rails, meanwhile, an automatic communication mechanism is triggered, so that the communicator automatically contacts elevator management workers.

Description

Elevator first aid communication device

Technical Field

The invention relates to the technical field of elevator equipment, in particular to an elevator emergency communication device.

Background

At present, an elevator becomes an indispensable electromechanical device in a high-rise residence or an office building, and the elevator brings convenience to people and has certain potential safety hazard.

When the condition of falling appears because of the trouble in current elevator, only buffer gear that the elevator bottom set up protects the elevator, safeguard measure is too few, prior art improves it, all be provided with emergency braking device at every floor, but very big shock still can appear in the elevator to arouse the panic of the inside personnel of elevator, and current elevator first aid communication device degree of automation is also very low moreover, especially under only child and old man's the condition in the elevator, they are owing to lack certain understanding to the elevator, also can not use emergency communication device to contact the staff when the elevator breaks down, the incident that causes from this is not few.

Disclosure of Invention

The object of the present invention is to provide an emergency communication device for elevator, which solves the above problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

an elevator emergency communication device comprises a wall body, a bearing plate, guide rails, an elevator cage and a counterweight block, wherein the bearing plate is fixedly installed on the wall body, a plurality of guide rails are fixedly installed between the bearing plate and the ground, a movable frame is installed on the guide rails in a sliding manner, the elevator cage is fixedly installed on the movable frame through a plurality of fixing plates, the counterweight block is slidably installed on the wall body, a traction motor is fixedly installed on the bearing plate, a rotating disc is fixedly installed on an output shaft of the traction motor, a steel wire rope is wound on the rotating disc, one end of the steel wire rope is fixedly connected with the counterweight block, the other end of the steel wire rope is fixedly connected to the upper end of a transverse plate, the transverse plate is fixedly installed on the movable frame, and a protection mechanism and an automatic communication mechanism which act on the elevator cage are installed in the guide rails; the protection mechanism comprises a movable block, brake blocks, sliding blocks and springs, wherein the movable block is slidably arranged in a movable groove formed in the guide rail, a movable rod is fixedly arranged at the upper end of the movable block, the two side ends of the movable rod are respectively and fixedly connected with the sliding blocks, the two sliding blocks are respectively and slidably arranged in a sliding groove formed in the movable frame, the upper ends of the sliding blocks are movably connected with the top of an inner cavity of the sliding groove through the springs, the springs are in a stretching state, and the guide rail is slidably inserted with the brake blocks; automatic communication mechanism includes pressure sensors and communicator, pressure sensors installs the inside of movable block, communicator fixed mounting is in the inside of elevator cage, the communicator with pressure sensors electric connection.

As a further scheme of the invention: the plurality of brake blocks are symmetrically arranged on two sides of the guide rail, and the plurality of brake blocks on one side of the guide rail are uniformly distributed.

As a still further scheme of the invention: the end face of the outer side of the brake block is of a cambered surface structure.

As a still further scheme of the invention: and a connecting line between the two symmetrical brake blocks and a connecting line between the two slide blocks form an included angle of 90 degrees.

As a still further scheme of the invention: the brake block is fixedly provided with a guide block, and the guide block is slidably arranged in a guide groove formed in the guide rail.

As a still further scheme of the invention: the movable block and the brake block are made of high-strength and high-hardness materials.

As a still further scheme of the invention: the spring is made of carbon steel.

Compared with the prior art, the invention has the beneficial effects that:

when the elevator cage is used, the protective mechanism can effectively brake the elevator cage when the elevator cage falls due to faults, and simultaneously, the automatic communication mechanism can be triggered, so that the communicator can automatically contact elevator management workers;

specifically, when the elevator runs normally, the moving speed of the elevator cage is normal, the movable block and the elevator cage almost keep synchronous movement, and the protection mechanism cannot be triggered at the moment; when the elevator cage falls, the elevator cage can do free falling motion, at the moment, the spring still exists a pulling force on the sliding block because the spring is still in a pulling state, so the movable block still receives an upward pulling force at the initial stage, when the elevator cage does the free falling motion, the movable block can not do the free falling motion at once, along with the descending of the elevator cage, the elevator cage can gradually approach to the movable block, when the movable block and the movable frame start to partially coincide, the movable block can block the brake block below the movable frame, so that the extending end of the brake block is always positioned outside, immediately afterwards, when the lower end of the movable frame contacts the brake block, the two brake blocks can both receive an extrusion force towards the direction of the movable groove, so that the movable block between the two brake blocks is pressed, the movable block is clamped, and the two brake blocks can be clamped by the movable block and the movable frame, therefore, the two brake blocks form a barrier for the movable frame, the movable frame and the elevator cage stop falling, the brake mechanism can brake the elevator when the descending speed of the elevator is not high, and the elevator is prevented from shaking to cause panic;

meanwhile, when the movable block is subjected to extrusion force, the pressure sensor inside the movable block can be triggered, so that the communicator electrically connected with the pressure sensor can automatically communicate with elevator management workers.

Drawings

Fig. 1 is a schematic structural diagram of an elevator emergency communication device.

Fig. 2 is a front view of an elevator emergency communication apparatus.

Fig. 3 is a schematic view showing an internal structure of a guide rail in an elevator emergency communication apparatus.

Fig. 4 is a schematic structural diagram of a in fig. 3.

Fig. 5 is a side view of fig. 3.

Fig. 6 is a diagram showing the operation of the protection mechanism and the automatic communication mechanism in the emergency communication device of the elevator.

In the figure: 1. a wall body; 2. a bearing plate; 3. a guide rail; 4. an elevator cage; 5. a traction motor; 6. rotating the disc; 7. a wire rope; 8. a movable frame; 9. a fixing plate; 10. a transverse plate; 11. to the pouring weight; 12. a counterweight buffer; 13. a box body buffer; 14. a door pocket; 15. a floor plate; 16. a brake pad; 17. a movable rod; 18. a movable block; 19. a guide block; 20. a guide groove; 21. a slider; 22. a spring; 23. a chute; 24. a movable groove; 25. a pressure sensor; 26. a communicator.

Detailed Description

The technical solution of the present invention will be described in further detail with reference to specific embodiments.

Example 1

Referring to fig. 1-6, the embodiment provides an elevator emergency communication device, which includes a wall 1, a bearing plate 2, guide rails 3, an elevator car 4, and a counterweight 11, wherein the bearing plate 2 is fixedly mounted on the wall 1, a plurality of guide rails 3 are fixedly mounted between the bearing plate 2 and the ground, a movable frame 8 is slidably mounted on the guide rails 3, the elevator car 4 is fixedly mounted on the movable frame 8 through a plurality of fixing plates 9, the counterweight 11 is slidably mounted on the wall 1, a traction motor 5 is fixedly mounted on the bearing plate 2, a rotating disc 6 is fixedly mounted on an output shaft of the traction motor 5, a steel wire rope 7 is wound on the rotating disc 6, one end of the steel wire rope 7 is fixedly connected with the counterweight 11, the other end of the steel wire rope 7 is fixedly connected to an upper end of a transverse plate 10, the transverse plate 10 is fixedly mounted on the movable frame 8, a protection mechanism and an automatic communication mechanism acting on the elevator cage 4 are arranged in the guide rail 3;

the protection mechanism comprises a movable block 18, brake blocks 16, sliding blocks 21 and springs 22, wherein the movable block 18 is slidably mounted in a movable groove 24 formed in the guide rail 3, a movable rod 17 is fixedly mounted at the upper end of the movable block 18, the two side ends of the movable rod 17 are respectively and fixedly connected with the sliding blocks 21, the two sliding blocks 21 are respectively and slidably mounted in a sliding groove 23 formed in the movable frame 8, the upper end of the sliding block 21 is movably connected with the top of an inner cavity of the sliding groove 23 through the springs 22, the springs 22 are in a stretching state, and the guide rail 3 is slidably inserted with the brake blocks 16;

the automatic communication mechanism comprises a pressure sensor 25 and a communicator 26, the pressure sensor 25 is installed inside the movable block 18, the communicator 26 is fixedly installed inside the elevator cage 4, and the communicator 26 is electrically connected with the pressure sensor 25.

Further, a plurality of the brake blocks 16 are symmetrically installed on both sides of the guide rail 3, and the brake blocks 16 on one side of the guide rail 3 are uniformly arranged.

Further, the outer side end faces of the brake blocks 16 are all provided with cambered surface structures.

Furthermore, a connecting line between the two symmetrical brake blocks 16 and a connecting line between the two slide blocks 21 form an included angle of 90 degrees.

Further, a guide block 19 is fixedly mounted on the brake block 16, and the guide block 19 is slidably mounted in a guide groove 20 provided in the guide rail 3.

The working principle of the invention is as follows:

when the elevator cage 4 falls due to faults, the protective mechanism can effectively brake the elevator cage 4 and can trigger the automatic communication mechanism at the same time, so that the communicator automatically contacts elevator management workers;

specifically, when the elevator runs normally, the moving speed of the elevator cage 4 is normal, the movable block 18 and the elevator cage 4 almost keep moving synchronously, and the protection mechanism cannot be triggered; when the elevator cage falls, the elevator cage 4 can make free-falling movement, at this time, because the spring 23 is still in the pulling-up state, and the spring 23 still has a pulling force to the slide block 21, so the movable block 18 still receives an upward pulling force in the initial stage, when the elevator cage 4 makes free-falling movement, the movable block 18 can not make free-falling movement at once, along with the descending of the elevator cage 4, the elevator cage 4 can gradually approach to the movable block 18, when the movable block 18 and the movable frame 8 start to have partial overlapping, the movable block 18 can block the brake block 16 below the movable frame 8, so that the extending end of the brake block 16 is always positioned at the outside, and then, when the lower end of the movable frame 8 contacts the brake block 16, the two brake blocks 16 can both receive a pressing force towards the movable groove 24, so as to press the movable block 18 between the two brake blocks 16, so that the movable block 18 is clamped, and the two brake shoes 16 are clamped by the movable block 18 and the movable frame 8, so that the two brake shoes 16 form a barrier to the movable frame 8, and the movable frame 8 and the elevator cage 4 stop falling; meanwhile, when the movable block 18 is subjected to extrusion force, the pressure sensor 25 inside the movable block 18 is triggered, so that the communicator 26 electrically connected with the pressure sensor 25 automatically communicates with an elevator management worker.

Further, in order to prevent the movable block 18 and the brake pad 16 from deforming and causing the failure of the guard mechanism, the movable block 18 and the brake pad 16 are designed to be made of a high-strength and high-hardness material.

Example 2

In order to prolong the service life of the spring 22, the present embodiment is further improved on the basis of embodiment 1, and the improvement is as follows: the spring 22 is made of carbon steel, and the service life of the spring 22 can be greatly prolonged by the arrangement.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two pieces, and may be a direct connection, "upper," "lower," "left," and "right," and the like are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed. In the drawings of the disclosed embodiments of the present invention, reference is made only to the structures related to the disclosed embodiments, and other structures may refer to general designs. Finally, the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents, improvements and the like which are within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An elevator first-aid communication device comprises a wall body (1), a bearing plate (2), guide rails (3), an elevator cage (4) and a counterweight block (11), and is characterized in that the bearing plate (2) is fixedly installed on the wall body (1), a plurality of guide rails (3) are fixedly installed between the bearing plate (2) and the ground, a movable frame (8) is slidably installed on the guide rails (3), the elevator cage (4) is fixedly installed on the movable frame (8) through a plurality of fixing plates (9), the counterweight block (11) is slidably installed on the wall body (1), a traction motor (5) is fixedly installed on the bearing plate (2), a rotating disc (6) is fixedly installed on an output shaft of the traction motor (5), a steel wire rope (7) is wound on the rotating disc (6), one end of the steel wire rope (7) is fixedly connected with the counterweight block (11), the other end of the steel wire rope (7) is fixedly connected to the upper end of a transverse plate (10), the transverse plate (10) is fixedly installed on a movable frame (8), and a protection mechanism and an automatic communication mechanism acting on the elevator cage (4) are installed in the guide rail (3);

the protection mechanism comprises a movable block (18), brake blocks (16), sliding blocks (21) and springs (22), wherein the movable block (18) is slidably mounted in a movable groove (24) formed in the guide rail (3), a movable rod (17) is fixedly mounted at the upper end of the movable block (18), the sliding blocks (21) are fixedly connected to two side ends of the movable rod (17) respectively, the two sliding blocks (21) are slidably mounted in sliding grooves (23) formed in the movable frame (8) respectively, the upper ends of the sliding blocks (21) are movably connected with the tops of inner cavities of the sliding grooves (23) through the springs (22), the springs (22) are in a stretching state, and the guide rail (3) is slidably inserted with the brake blocks (16);

automatic communication mechanism includes pressure sensors (25) and communicator (26), pressure sensors (25) are installed the inside of movable block (18), communicator (26) fixed mounting is in the inside of elevator case (4), communicator (26) with pressure sensors (25) electric connection.

2. The emergency communication device for elevator as claimed in claim 1, wherein a plurality of said brake blocks (16) are symmetrically installed on both sides of said guide rail (3), and a plurality of said brake blocks (16) on one side of the guide rail (3) are uniformly arranged.

3. An elevator emergency communication device according to claim 2, wherein the outer end faces of the brake blocks (16) are provided in a cambered surface structure.

4. The emergency communication device for elevator as claimed in claim 1, wherein the line between the two symmetrical brake blocks (16) is at an angle of 90 degrees with the line between the two slide blocks (21).

5. An elevator emergency communication device according to claim 1, characterized in that the brake block (16) is fixedly provided with a guide block (19), and the guide block (19) is slidably mounted in a guide groove (20) formed in the guide rail (3).

6. The emergency communication device for elevator as claimed in claim 1, wherein the movable block (18) and the brake block (16) are made of high strength and high hardness material.

7. An elevator emergency communication device according to claim 1, wherein the spring (22) is made of carbon steel.