CN219408769U

CN219408769U - Elevator anti-falling device

Info

Publication number: CN219408769U
Application number: CN202320488110.1U
Authority: CN
Inventors: 陈思露; 陈肸
Original assignee: Anhui Juncheng Electromechanical Technology Co ltd
Current assignee: Anhui Juncheng Electromechanical Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-07-25
Anticipated expiration: 2033-03-15

Abstract

The utility model discloses an elevator anti-falling device, which relates to the technical field of elevators, and the elevator anti-falling device comprises an elevator shaft main body, wherein a buffer box is fixedly arranged on the inner wall of the bottom of the elevator shaft main body, a plurality of bottom posts are fixedly connected to the inner wall of the bottom of the buffer box, a supporting table is slidably connected to the inner wall of the buffer box, a plurality of grooves are formed in the outer wall of the bottom of the supporting table, the bottom posts are respectively inserted into the grooves, a damping pad is arranged on the outer wall of the top of the supporting table, a compression spring is arranged on the outer wall of the plurality of bottom posts, a movable block is slidably connected to the outer wall of the bottom post, and the movable block is positioned above the compression spring.

Description

Elevator anti-falling device

Technical Field

The utility model relates to the technical field of elevators, in particular to an elevator anti-falling device.

Background

The elevator is a vertical elevator taking a motor as power, is provided with a box-shaped nacelle and is used for passengers or cargoes in a multi-storey building, the wide use of the elevator is realized, the convenience of people going upstairs and downstairs is solved to a great extent, the elevator needs to be maintained regularly when in use, the situation that parts such as driving equipment are ill in use and the like is avoided, and in order to avoid the situation that the elevator falls in the use process and the like, anti-falling equipment is generally arranged;

when the elevator anti-falling device in the prior art is used, the self-locking system of the elevator cannot effectively stop due to the fact that the elevator breaks down, the elevator is easy to fall, and the like, and when an elevator car falls and contacts with the ground, the anti-seismic effect is poor, and effective shock absorption protection cannot be carried out, so that the elevator anti-falling device is necessary to be provided.

Disclosure of Invention

The utility model aims to solve the defect of insufficient reliability of an elevator self-locking system when an elevator fails in the prior art, and provides an elevator anti-falling device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an elevator anti-falling device, includes the elevator shaft main part, the internally mounted of elevator shaft main part has the elevator car main part, and the spout has been seted up to the both sides inner wall of elevator shaft main part, two the inner wall sliding connection of spout has the slider, two the slider is fixedly connected with respectively the both sides outer wall of elevator car main part, elevator car main part bottom outer wall fixedly connected with two fixed plates, two the relative outer wall of fixed plate fixedly connected with two slide bars jointly, two the outer wall of slide bar fixedly connected with sliding sleeve jointly, two adjacent the sliding sleeve outer wall fixedly connected with slide, the bottom outer wall welding of slide has two inserted bars, and the gliding locking mechanical system of two slide of drive is installed to the bottom outer wall of elevator car main part, the bottom inner wall fixedly mounted of elevator shaft main part has the buffer tank, the bottom inner wall fixedly connected with a plurality of foundation, the inner wall sliding connection of buffer tank has the brace table, a plurality of recesses have been seted up to the brace table bottom outer wall, a plurality of foundation columns peg graft respectively in the inside of a plurality of recesses.

The technical scheme further comprises the following steps:

two clamping grooves are respectively formed in the outer walls of the two sides of the elevator shaft main body, the sliding groove is located between the two clamping grooves, and the clamping grooves are respectively corresponding to the inserting rods.

The shock pad is installed to the top outer wall of brace table, and a plurality of mounting grooves have been seted up to the top outer wall of brace table, and is a plurality of the internally mounted of mounting groove has laser sensor, the shock pad is located a plurality of between the laser sensor.

The outer walls of the bottom posts are provided with compression springs, the outer walls of the bottom posts are connected with movable blocks in a sliding mode, the movable blocks are located above the compression springs, and the outer wall of one side, away from the compression springs, of each movable block is attached to the bottom of the supporting table.

The locking mechanism comprises a mounting plate fixedly connected to the outer wall of the bottom of the elevator car body, the mounting plate is located above the middle of the two sliding rods, the outer wall of the middle of the mounting plate is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the mounting plate, is rotationally connected with a movable plate, and the movable plate is located below the middle of the two sliding rods.

The locking mechanism further comprises connecting rods which are rotationally connected to two ends of the outer wall of the bottom of the movable plate, one end, far away from the movable plate, of each connecting rod is rotationally connected to the outer wall of the middle of the sliding plate, a hydraulic cylinder is fixedly mounted on the outer wall of the bottom of the mounting plate, a fixed block is welded on the outer wall of the top of one sliding plate, the output end of each hydraulic cylinder is fixedly connected to the outer wall of each fixed block, and the laser sensor is electrically connected with each hydraulic cylinder.

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

1. according to the elevator car anti-falling protection device, the elevator car can be anti-falling protected through the mutual matching among the sliding rod, the sliding sleeve, the sliding plate, the inserting rods, the clamping grooves, the locking mechanism and the like, when the elevator car stops, the locking mechanism is started, the inserting rods are inserted into the clamping grooves, locking of the elevator car is achieved, the elevator car can be protected, the elevator car is prevented from falling due to gravity change, meanwhile, through the arrangement of the laser sensor, when the elevator car falls rapidly, the laser sensor senses that the elevator car falls to a dangerous position, the locking mechanism is controlled to stop the elevator, and safety accidents caused by falling of the elevator car are avoided.

2. According to the anti-falling device, the supporting table, the groove, the movable block, the compression spring and the bottom post are matched with each other, so that the anti-falling device has a good anti-falling effect, the problem that an existing anti-falling device is poor in anti-falling effect, and when an elevator car falls, effective shock absorption protection cannot be performed.

Drawings

Fig. 1 is an overall schematic diagram of an elevator fall protection device according to the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a first partial block diagram of the present utility model;

fig. 4 is a second partial construction diagram of the present utility model.

In the figure: 1. an elevator shaft main body; 2. an elevator cage body; 3. a chute; 4. a slide block; 5. a buffer tank; 6. a bottom post; 7. a compression spring; 8. a movable block; 9. a groove; 10. a support table; 11. a mounting groove; 12. a laser sensor; 13. a shock pad; 14. a fixing plate; 15. a slide bar; 16. a sliding sleeve; 17. a mounting plate; 18. a movable plate; 19. a slide plate; 20. a connecting rod; 21. a rod; 22. a hydraulic cylinder; 23. a clamping groove; 24. a fixed block; 25. a rotating shaft.

Detailed Description

The technical scheme of the utility model is further described below with reference to the attached drawings and specific embodiments.

Example 1

As shown in fig. 1-4, the anti-falling device for the elevator provided by the utility model comprises an elevator shaft main body 1, wherein an elevator car main body 2 is arranged in the elevator shaft main body 1, sliding grooves 3 are formed in the inner walls of the two sides of the elevator shaft main body 1, sliding blocks 4 are slidably connected to the inner walls of the two sliding grooves 3, the two sliding blocks 4 are respectively and fixedly connected to the outer walls of the two sides of the elevator car main body 2, two fixing plates 14 are fixedly connected to the outer walls of the bottom of the elevator car main body 2, two sliding rods 15 are fixedly connected to the opposite outer walls of the two fixing plates 14 together, a plurality of sliding sleeves 16 are slidably connected to the outer walls of the two sliding rods 15 together, sliding plates 19 are fixedly connected to the outer walls of the two adjacent sliding sleeves 16 together, two inserting rods 21 are welded to the outer walls of the bottom of the sliding plates 19, and a locking mechanism for driving the two sliding plates 19 to slide is arranged on the outer walls of the bottom of the elevator car main body 2;

two clamping grooves 23 are respectively formed in the outer walls of the two sides of the elevator shaft main body 1, the sliding groove 3 is located between the two clamping grooves 23, the clamping grooves 23 correspond to the inserting rods 21 respectively, the clamping grooves 23 correspond to the inserting rods 21, the inserting rods 21 can be inserted into the clamping grooves 23, a plurality of mounting grooves 11 are formed in the outer wall of the top of the supporting table 10, laser sensors 12 are mounted in the plurality of mounting grooves 11, the shock pads 13 are located among the plurality of laser sensors 12, and induction parameters of the laser sensors 12 are set through an external controller;

the locking mechanism comprises a mounting plate 17 fixedly connected to the outer wall of the bottom of the elevator car body 2, the mounting plate 17 is located above the middle of the two sliding rods 15, a rotating shaft 25 is fixedly connected to the outer wall of the middle of the mounting plate 17, one end of the rotating shaft 25, away from the mounting plate 17, is rotationally connected with a movable plate 18, the movable plate 18 is located below the middle of the two sliding rods 15, the locking mechanism further comprises connecting rods 20 rotationally connected to the two ends of the outer wall of the bottom of the movable plate 18, one ends, away from the movable plate 18, of the two connecting rods 20 are rotationally connected to the outer wall of the middle of the sliding plate 19, a hydraulic cylinder 22 is fixedly mounted on the outer wall of the bottom of the mounting plate 17, a fixed block 24 is welded on the outer wall of the top of one sliding plate 19, the output end of the hydraulic cylinder 22 is fixedly connected to the outer wall of the fixed block 24, and the laser sensor 12 is electrically connected with the hydraulic cylinder 22.

According to the working principle of the elevator anti-falling device based on the first embodiment, when an elevator car main body 2 stops at a designated floor, a hydraulic cylinder 22 is started through an external power supply, the output end of the hydraulic cylinder 22 pushes a fixed block 24 out to the inner wall direction of an elevator shaft main body 1, the fixed block 24 drives a sliding plate 19 to slide along the outer wall of a sliding rod 15, a limiting effect is achieved through sliding connection between a sliding sleeve 16 and the sliding rod 15, the sliding plate 19 is enabled to move stably, at the moment, a connecting rod 20 is pulled to be gradually changed into a linear state from an inclined state, the distance between the sliding plate 19 and the movable plate 18 is increased, the other end of the connecting rod 20 is pulled, the movable plate 18 is pulled to rotate due to the fact that the other end of the connecting rod 20 is hinged to the end of the movable plate 18, the movable plate 18 rotates, the other connecting rod 20 is driven to extrude the other sliding plate 19, the two sliding plates 19 synchronously slide simultaneously, the sliding plates 19 drive an inserting rod 21 to be inserted into the inside of a clamping groove 23, locking of an elevator car is achieved, the elevator car is prevented from being subjected to gravity change, meanwhile, a laser sensor is arranged outside the connecting rod 12 is pulled to be changed into the inclined state, the elevator car is enabled to be quickly fall into the elevator car main body 2, and the elevator car is prevented from falling down, the elevator car is prevented from being rapidly and the elevator car is prevented from being caused to fall into the position of the elevator car from being set up to be in the position of the elevator car, and the elevator car is set to be rapidly and the elevator car 2.

Example two

As shown in fig. 1-4, based on the first embodiment, a buffer tank 5 is fixedly installed on the bottom inner wall of an elevator shaft main body 1, a plurality of bottom posts 6 are fixedly connected to the bottom inner wall of the buffer tank 5, a supporting table 10 is slidably connected to the inner wall of the buffer tank 5, a plurality of grooves 9 are formed in the bottom outer wall of the supporting table 10, the plurality of bottom posts 6 are respectively inserted into the plurality of grooves 9, a shock pad 13 is installed on the top outer wall of the supporting table 10, a compression spring 7 is installed on the outer walls of the plurality of bottom posts 6, a movable block 8 is slidably connected to the outer wall of the bottom post 6, the movable block 8 is located above the compression spring 7, and the outer wall of one side, away from the compression spring 7, of the movable block 8 is attached to the bottom of the supporting table 10.

In this embodiment, can carry out shock attenuation protection through shock pad 13 in step when elevator car main part 2 below and shock pad 13 contact, shock pad 13 will decurrent impact force is fed back for compression spring 7 through brace table 10 and movable block 8, compression spring 7 receives the extrusion force of movable block 8 to produce elasticity, offset impact force, through the inside a plurality of recesses 9 of brace table 10 and the grafting slip of a plurality of bottom posts 6, effectually provide the buffering space for brace table 10, reduce elevator car main part 2's whereabouts impact force, the shock resistance is effectual, current anti-falling device has been solved, the shock resistance is poor, when elevator car takes place to fall, can't carry out effectual shock attenuation protection's problem.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an elevator anti-falling device, includes elevator shaft main part (1), its characterized in that, internally mounted of elevator shaft main part (1) has elevator car main part (2), and spout (3) have been seted up to the both sides inner wall of elevator shaft main part (1), two inner wall sliding connection of spout (3) has slider (4), two slider (4) are fixed connection respectively elevator car main part (2)'s both sides outer wall, elevator car main part (2) bottom outer wall fixedly connected with two fixed plates (14), two the relative outer wall of fixed plate (14) fixedly connected with two slide bars (15) jointly, two the outer wall of slide bar (15) fixedly connected with a plurality of sliding sleeves (16) jointly, two adjacent the outer wall fixedly connected with slide plate (19) jointly, the bottom outer wall welding of slide plate (19) has two inserted bars (21), and the bottom outer wall of elevator car main part (2) installs the gliding locking mechanical system of drive two slide plates (19), and the bottom inner wall fixedly mounted with buffer tank (5) of elevator shaft main part (1), the bottom inner wall fixedly connected with two slide plates (5), the outer wall fixedly connected with a plurality of inner wall (6) of buffer tank (5) have a plurality of slide support posts (10), the bottom posts (6) are respectively inserted into the grooves (9).

2. The elevator anti-falling device according to claim 1, wherein two clamping grooves (23) are respectively formed in the outer walls of the two sides of the elevator shaft main body (1), the sliding groove (3) is located between the two clamping grooves (23), and the clamping grooves (23) respectively correspond to the inserting rods (21).

3. The elevator anti-falling device according to claim 2, wherein a shock pad (13) is mounted on the top outer wall of the supporting table (10), a plurality of mounting grooves (11) are formed in the top outer wall of the supporting table (10), laser sensors (12) are mounted in the plurality of mounting grooves (11), and the shock pad (13) is located among the plurality of laser sensors (12).

4. An elevator fall protection device according to claim 3, characterized in that the outer walls of a plurality of the bottom posts (6) are provided with compression springs (7), the outer walls of the bottom posts (6) are connected with movable blocks (8) in a sliding manner, the movable blocks (8) are located above the compression springs (7), and the outer wall of one side of each movable block (8) far away from the compression springs (7) is attached to the bottom of the supporting table (10).

5. The elevator anti-falling device according to claim 4, wherein the locking mechanism comprises a mounting plate (17) fixedly connected to the outer wall of the bottom of the elevator car body (2), the mounting plate (17) is located above the middle parts of the two sliding rods (15), a rotating shaft (25) is fixedly connected to the outer wall of the middle part of the mounting plate (17), one end, far away from the mounting plate (17), of the rotating shaft (25) is rotatably connected with a movable plate (18), and the movable plate (18) is located below the middle parts of the two sliding rods (15).

6. The elevator anti-falling device according to claim 5, wherein the locking mechanism further comprises connecting rods (20) rotatably connected to two ends of the outer wall of the bottom of the movable plate (18), one ends of the two connecting rods (20) far away from the movable plate (18) are rotatably connected to the middle outer wall of the sliding plate (19), the outer wall of the bottom of the mounting plate (17) is fixedly provided with a hydraulic cylinder (22), the outer wall of the top of one sliding plate (19) is welded with a fixed block (24), the output end of the hydraulic cylinder (22) is fixedly connected to the outer wall of the fixed block (24), and the laser sensor (12) is electrically connected with the hydraulic cylinder (22).