CN218024821U

CN218024821U - Safety device for elevator

Info

Publication number: CN218024821U
Application number: CN202222095899.2U
Authority: CN
Inventors: 张俊杰; 黄飞; 许涛; 宋永安; 陆强; 庄艳忠; 葛亮; 陈和平
Original assignee: Jiangsu Hailing Electromechanical Equipment Engineering Co ltd
Current assignee: Jiangsu Hailing Electromechanical Equipment Engineering Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-12-13
Anticipated expiration: 2032-08-10

Abstract

The application discloses safety device for elevator belongs to elevator equipment technical field, including the elevator main part, the top of elevator main part is provided with rotates the motor, the upper surface of elevator main part rotates and is connected with the connecting gear, the output that rotates motor power is connected with the last fixed surface who is connected the gear, the last sliding surface of elevator main part is connected with two rack boards, a side that two rack boards are close to each other all meshes with the surface of connecting gear mutually, the last sliding surface of elevator main part is connected with two T type pieces, a side that two T type pieces are close to each other all with a side fixed connection that two rack boards kept away from each other, the equal fixed mounting in a side that two T type pieces kept away from each other has the air brake. This safety device for elevator connects gear, rack plate and T type piece through being provided with the power fit that the rotation motor provided and drives the air brake and removes about to make air brake and wall contact, realized carrying out the purpose of slowing down to the elevator main part.

Description

Safety device for elevator

Technical Field

The application belongs to the technical field of elevator equipment, especially, relate to a safety device for elevator.

Background

An elevator is a motor-powered vertical lift equipped with a box-like car for carrying passengers or goods in a multi-story building, and safety devices are often used to ensure the safety of passengers and/or goods.

When the existing safety device is used, most of safety devices adopt that a spring is additionally arranged at the bottom of an elevator to buffer the elevator, but because the falling impact force of the elevator is large, passengers and goods in the elevator still can be subjected to large impact force, and therefore certain influence is caused on the safety of the passengers and the goods.

Therefore, a safety device for an elevator is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The application aims at solving the problem that passengers and goods in an elevator are subjected to large impact force in the prior art, and provides the safety device for the elevator.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a safety device for an elevator comprises an elevator main body, wherein a rotating motor is arranged above the elevator main body, a connecting gear is rotatably connected to the upper surface of the elevator main body, the power output end of the rotating motor is fixedly connected with the upper surface of the connecting gear, two rack plates are slidably connected to the upper surface of the elevator main body, one side surfaces, close to each other, of the two rack plates are meshed with the outer surface of the connecting gear, two T-shaped blocks are slidably connected to the upper surface of the elevator main body, one side surfaces, close to each other, of the two T-shaped blocks are fixedly connected with one side surface, far away from each other, of the two rack plates, and a speed reducing plate is fixedly mounted on one side surface, far away from each other, of the two T-shaped blocks;

the upper surface of elevator main part is fixed mounting respectively has velometer and controller, the inner bottom wall fixed mounting of elevator main part has a supporting box, the inside sliding connection of supporting box has the movable plate, the inner bottom wall of supporting box is fixed mounting respectively has two sets of hydraulic stems and two sets of coupling spring, every group the flexible end of hydraulic stem all with the bottom surface fixed connection of movable plate, every group coupling spring's top all with the bottom surface fixed connection of movable plate, the controller passes through the wire and is connected with rotation motor, velometer and two sets of hydraulic stems electricity respectively.

Connect gear, rack plate drive T type piece and air brake and remove through being provided with the power fit that the rotation motor provided, realized carrying out the purpose that slows down to the elevator main part, through being provided with velometer and controller, realized whether breaking down to the elevator and lead to the elevator tenesmus to carry out the purpose of monitoring, through being provided with hydraulic stem, coupling spring and movable plate, realized reducing the purpose of the impact force that passenger and goods received.

Preferably, two groups of compression springs are fixedly mounted on the bottom surface of the elevator main body, and the bottom ends of the two groups of compression springs are fixedly mounted with a buffer plate together.

Through being provided with compression spring and buffer plate, realized carrying out the purpose of buffering to the elevator main part.

Preferably, the upper surface of buffer board fixed mounting has two sets of telescopic links, every group the top of telescopic link all with the bottom surface fixed connection of elevator main part.

Through being provided with the telescopic link, realized the purpose of restriction buffer board movement track.

Preferably, the upper surface of the elevator main body is fixedly provided with two limiting seats, and each T-shaped block is connected inside the limiting seat in a sliding manner.

Through being provided with spacing seat, realized the purpose of restriction T type piece moving trajectory.

Preferably, the both sides face of movable plate all fixed mounting have the slider, two spouts, every have been seted up to the inner wall of supporting box the equal sliding connection of slider is in the inside of spout.

Through being provided with slider and spout, realized avoiding the purpose of the skew orbit of moving of movable plate as far as possible.

Preferably, two support frames are fixedly installed on the outer surface of the rotating motor, and the bottom surface of each support frame is fixedly connected with the upper surface of the elevator main body.

Through being provided with the support frame, realized carrying out stable purpose to rotating electrical machines.

Preferably, the upper surface of the elevator main body is fixedly provided with a connecting bearing, and the upper surface of the inner ring of the connecting bearing is fixedly connected with the bottom surface of the connecting gear.

Through being provided with the connection bearing, realized carrying out the purpose that supports to connecting gear.

Preferably, two slide rails are arranged on the upper surface of the elevator main body, a slide plate is fixedly mounted on the bottom surface of each rack plate, and each slide plate is slidably connected inside each slide rail.

Through being provided with slide rail and slide, realized the purpose of restriction rack plate moving track.

To sum up, the technical effect and the advantage of this application: this safety device for elevator, it is rotatory to drive the connecting gear through being provided with the power that the rotation motor provided, thereby realized driving the rack board and remove the mesh that removes, through being provided with T type piece and air brake, make cooperation T type piece drive air brake and remove when the rack board removes, thereby make air brake and wall contact, the mesh of slowing down elevator main part has been realized, thereby reduce the impact force that inside passenger of elevator and goods received, through being provided with the velometer, the mesh of monitoring elevator main part functioning speed has been realized, through being provided with the controller, the counter rotating electrical machines has been realized, the mesh of controlling is carried out to velometer and hydraulic stem, through being provided with the hydraulic stem, movable plate and coupling spring, make when the elevator tenesmus, the hydraulic stem shrink, thereby make coupling spring play the effect of buffering to the removal, and then further realized the purpose of reducing the impact force that passenger and goods received.

Drawings

FIG. 1 is a schematic three-dimensional structure of an elevator body of the present application;

FIG. 2 is a schematic perspective view of a buffer plate according to the present application;

fig. 3 is a structural schematic diagram of a main body of an elevator in a sectional view in a three-dimensional manner according to the application;

fig. 4 is a schematic structural view of a cross-sectional view of the moving plate of the present application.

In the figure: 1. an elevator main body; 2. rotating the motor; 3. a connecting gear; 4. a rack plate; 5. a T-shaped block; 6. a speed reduction plate; 7. a velometer; 8. a controller; 9. a support box; 10. moving the plate; 11. a hydraulic rod; 12. a connecting spring; 13. a compression spring; 14. a buffer plate; 15. a telescopic rod; 16. a limiting seat; 17. a slider; 18. a chute; 19. a support frame; 20. connecting a bearing; 21. a slide rail; 22. a slide plate.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments.

Referring to fig. 1-2, the safety device for the elevator comprises an elevator main body 1, two groups of compression springs 13 are fixedly mounted on the bottom surface of the elevator main body 1, the bottom ends of the two groups of compression springs 13 are jointly and fixedly mounted with a buffer plate 14, and the impact force borne by the elevator main body 1 can be reduced by utilizing the elastic force of the compression springs 13, so that the safety of passengers and goods is ensured.

Referring to fig. 1 and 3, the top of elevator main body 1 is provided with rotation motor 2, and the fixed surface who rotates motor 2 installs two support frames 19, and the bottom surface of every support frame 19 all is connected with the last fixed surface of elevator main body 1, and the effect of fixed rotation motor 2 has been played in the installation of support frame 19, avoids rotating the phenomenon that motor 2 during operation takes place rotatoryly as far as possible, has guaranteed the stability of rotating motor 2.

Referring to fig. 1 and 3, the upper surface of elevator main body 1 rotates and is connected with connecting gear 3, the output end of the power of rotating motor 2 is connected with the upper surface fixed connection of connecting gear 3, the upper surface fixed mounting of elevator main body 1 has connecting bearing 20, the upper surface of connecting bearing 20 inner circle is connected with the bottom surface fixed connection of connecting gear 3, the bottom surface of connecting bearing 20 outer lane is connected with the upper surface fixed connection of elevator main body 1, the installation of connecting bearing 20, can support connecting gear 3, the phenomenon of rocking takes place when avoiding connecting gear 3 to rotate as far as possible, thereby the stability of connecting gear 3 has been guaranteed.

Referring to fig. 1 and 3, the upper surface of the elevator main body 1 is connected with two rack plates 4 in a sliding manner, one side face, close to each other, of the two rack plates 4 is meshed with the outer surface of the connecting gear 3, two sliding rails 21 are arranged on the upper surface of the elevator main body 1, a sliding plate 22 is fixedly arranged on the bottom surface of each rack plate 4, each sliding plate 22 is connected inside the corresponding sliding rail 21 in a sliding manner, the sliding plate 22 is T-shaped, the sliding rails 21 and the sliding plates 22 are mounted, the effect of limiting the moving track of the rack plates 4 is achieved, the phenomenon of deviating the moving track when the rack plates 4 move is avoided as much as possible, and the stability of the rack plates 4 is guaranteed.

Referring to fig. 1 and 3, the upper surface sliding connection of elevator main part 1 has two T type pieces 5, a side that two T type pieces 5 are close to each other all with two rack plate 4 a side fixed connection who keeps away from each other, the equal fixed mounting in a side that two T type pieces 5 keep away from each other has speed reduction plate 6, the tooth that the equidistance was arranged is all installed to a side that two speed reduction plate 6 keep away from each other, thereby be convenient for slow down elevator main part 1, the upper surface fixed mounting of elevator main part 1 has two spacing seats 16, the equal sliding connection of every T type piece 5 is in the inside of spacing seat 16, the installation of spacing seat 16, the effect of restriction T type piece 5 moving trajectory has been played, the phenomenon of rocking takes place when avoiding T type piece 5 to remove as far as possible, T type piece 5's stability has been guaranteed.

Referring to fig. 1, 2 and 4, a velometer 7 and a controller 8 are respectively and fixedly mounted on the upper surface of an elevator main body 1, a support box 9 is fixedly mounted on the inner bottom wall of the elevator main body 1, a moving plate 10 is slidably connected inside the support box 9, the velometer 7 can emit a laser beam to a measured object and receive a reflected wave of the laser beam to record the time difference to determine the moving speed of the measured object, sliding blocks 17 are fixedly mounted on two side surfaces of the moving plate 10, two sliding grooves 18 are formed in the inner wall of the support box 9, each sliding block 17 is slidably connected inside each sliding groove 18, each sliding block 17 is in a T shape, and the sliding blocks 17 and the sliding grooves 18 are mounted to limit the moving track of the moving plate 10, so that the stability of the moving plate 10 is ensured.

Referring to fig. 4, the inner bottom wall of supporting box 9 is fixedly provided with two sets of hydraulic rods 11 and two sets of connecting springs 12 respectively, the flexible end of each set of hydraulic rods 11 all contacts with the bottom surface of movable plate 10, the top of each set of connecting springs 12 all is connected with the bottom surface of movable plate 10, controller 8 is respectively connected with rotating motor 2 through the wire, velometer 7 is electrically connected with two sets of hydraulic rods 11, the upper surface of buffer board 14 is fixedly provided with two sets of telescopic links 15, the top of each set of telescopic links 15 all is connected with the bottom surface of elevator main body 1, the installation of telescopic links 15, the effect of limiting the moving track of buffer board 14 is played, the phenomenon of shaking when buffer board 14 moves is avoided as much as possible, and the stability of buffer board 14 is ensured.

The working principle is as follows: when the elevator safety buffering device is used, firstly, the rotating motor 2, the velometer 7, the controller 8 and the hydraulic rod 11 are communicated with a power supply, when an elevator breaks down to cause the elevator to fall down quickly, the velometer 7 detects that the falling speed of the elevator main body 1 reaches a set value, signals are transmitted to the controller 8 through a wire, the controller 8 controls the rotating motor 2 and the hydraulic rod 11 to work, the connecting gear 3 is driven to rotate by the power provided by the rotating motor 2, so that the connecting gear 3 drives the two rack plates 4 to move left and right, the rack plates 4 drive the T-shaped block 5 and the speed reducing plate 6 to move left and right, the speed reducing plate 6 is in contact with the wall surface of an elevator shaft, the elevator main body 1 is subjected to speed reduction by the friction force between the speed reducing plate 6 and the wall surface, the speed when the elevator main body 1 falls down is reduced, the impact force applied to passengers and goods in the elevator main body 1 is reduced, the safety of the passengers and the goods is ensured, the hydraulic rod 11 is contracted to be lower than the connecting spring 12 by the double effects of the connecting spring 12 and the compression spring 13, and the impact force applied to buffer the passengers and the goods in the elevator main body and goods is further ensured.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A safety device for an elevator comprises an elevator main body (1), and is characterized in that a rotating motor (2) is arranged above the elevator main body (1), a connecting gear (3) is rotatably connected to the upper surface of the elevator main body (1), the power output end of the rotating motor (2) is fixedly connected with the upper surface of the connecting gear (3), two rack plates (4) are slidably connected to the upper surface of the elevator main body (1), one side surface, close to each other, of each rack plate (4) is meshed with the outer surface of the connecting gear (3), two T-shaped blocks (5) are slidably connected to the upper surface of the elevator main body (1), one side surface, close to each other, of each T-shaped block (5) is fixedly connected with one side surface, far away from each other, of each rack plate (4), and one side surface, far away from each T-shaped block (5) is fixedly provided with a speed reducing plate (6);

the upper surface of elevator main part (1) is fixed mounting respectively has velometer (7) and controller (8), the inner diapire fixed mounting of elevator main part (1) has supporting box (9), the inside sliding connection of supporting box (9) has movable plate (10), the inner diapire of supporting box (9) is fixed mounting respectively has two sets of hydraulic stem (11) and two sets of connecting spring (12), every group the flexible end of hydraulic stem (11) all contacts with the bottom surface of movable plate (10), every group the top of connecting spring (12) all with the bottom surface fixed connection of movable plate (10), controller (8) are connected with rotation motor (2), velometer (7) and two sets of hydraulic stem (11) electricity respectively through the wire.

2. The safety device for the elevator according to claim 1, characterized in that two groups of compression springs (13) are fixedly installed on the bottom surface of the elevator main body (1), and the bottom ends of the two groups of compression springs (13) are jointly and fixedly installed with a buffer plate (14).

3. The safety device for the elevator is characterized in that two groups of telescopic rods (15) are fixedly installed on the upper surface of the buffer plate (14), and the top end of each group of telescopic rods (15) is fixedly connected with the bottom surface of the elevator main body (1).

4. The safety device for the elevator according to claim 1, characterized in that two limiting seats (16) are fixedly mounted on the upper surface of the elevator main body (1), and each T-shaped block (5) is slidably connected inside the limiting seat (16).

5. The safety device for the elevator according to claim 1, wherein the two side surfaces of the moving plate (10) are fixedly provided with sliding blocks (17), the inner wall of the supporting box (9) is provided with two sliding grooves (18), and each sliding block (17) is slidably connected inside the sliding groove (18).

6. A safety device for elevator according to claim 1, characterized in that two support frames (19) are fixedly mounted on the outer surface of the rotating motor (2), and the bottom surface of each support frame (19) is fixedly connected with the upper surface of the elevator main body (1).

7. The safety device for the elevator according to claim 1, wherein the upper surface of the elevator main body (1) is fixedly provided with a connecting bearing (20), and the upper surface of the inner ring of the connecting bearing (20) is fixedly connected with the bottom surface of the connecting gear (3).

8. The safety device for the elevator is characterized in that two sliding rails (21) are arranged on the upper surface of the elevator main body (1), a sliding plate (22) is fixedly arranged on the bottom surface of each rack plate (4), and each sliding plate (22) is connected inside each sliding rail (21) in a sliding mode.