CN211945798U

CN211945798U - Adjustable emergency braking device for elevator

Info

Publication number: CN211945798U
Application number: CN202020232506.6U
Authority: CN
Inventors: 丁荣晖
Original assignee: Global Institute of Software Technology Suzhou
Current assignee: Global Institute of Software Technology Suzhou
Priority date: 2020-03-02
Filing date: 2020-03-02
Publication date: 2020-11-17
Anticipated expiration: 2030-03-02

Abstract

The utility model discloses an emergency braking device for elevator with adjustable, including a lift passageway, lift passageway both sides are equipped with the passageway board, two a spout, two have all been seted up to one side in opposite directions to the passageway board equal fixed mounting has a slide rail, two in the spout slide rail sliding connection has four to be two bisymmetry settings, the beneficial effects of the utility model are that: the utility model relates to an emergency braking device for elevator with adjustable, through setting up the spout, a slide rail, the pulley, telescopic cylinder, the extrusion piece, driving motor, the bull stick, brake switch, wire rope, spring and buffer board use of mutually supporting, when elevator speed is unusual, can slow down through brake switch, telescopic cylinder work makes the pulley stop sliding simultaneously, further braking, the spring through the elevator lower extreme can reduce the impact when the elevator falls, the heat that produces when the protection shield can absorb the elevator braking when the protection elevator is indeformable simultaneously, avoid the elevator to damage.

Description

Adjustable emergency braking device for elevator

Technical Field

The utility model relates to an emergency braking device, in particular to emergency braking device for elevator with adjustable belong to elevator technical field.

Background

The elevator brings great convenience for people to go out, and is visible everywhere in life, and the elevator is when meetting emergency, for avoiding personnel of the inside to suffer the damage, consequently will set up emergency braking device, is convenient for carry out emergency braking to it, ensures personnel's safety.

When the elevator braking device on the market is used, the braking device of a common elevator is unstable when meeting emergency, so that large vibration is caused, personnel can be influenced, casualties can be caused seriously, the braking effect of a common elevator braking device is not good enough, heat can not be reduced in braking, and the use of the elevator can be influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide an emergency braking device for elevator with adjustable to solve the problem of mentioning in the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an adjustable emergency braking device for an elevator, which comprises a lifting channel, wherein channel plates are arranged at two sides of the lifting channel, a chute is arranged at one opposite side of each channel plate, a slide rail is fixedly arranged in each chute, each slide rail is connected with four pulleys which are symmetrically arranged in pairs, a telescopic cylinder is fixedly connected at the middle point of the outer side wall of each pulley, the output end of each telescopic cylinder is movably connected with a piston rod, one side of each piston rod away from the telescopic cylinder is fixedly connected with an extrusion sheet, the outer side wall of each extrusion sheet is fixedly connected with a sand grinding sheet, an L-shaped fixed plate is fixedly connected at one opposite side of each pulley, a car is fixedly connected with the L-shaped fixed plates, and two layers of symmetrically arranged springs are fixedly connected at the lower surface of the car, two the common fixedly connected with of spring lower surface buffer board, two fixed surface installs a mount on one of them of passway, driving motor of mount inside wall fixedly connected with, lifting channel upper surface fixedly connected with support frame, support frame middle part swing joint has a bull stick, shaft coupling fixed connection is passed through at the driving motor output in one of them side of bull stick both sides, the bull stick is kept away from driving motor one side and is rotated and be connected with a bearing, gyro wheel of bull stick lateral wall fixedly connected with, gyro wheel surface swing joint has two wire rope, two wire rope fixed connection is on the car upper surface.

As an optimal technical scheme of the utility model, car inside wall fixed mounting has a brake switch.

As a preferred technical scheme of the utility model, fixed surface is connected with two solid fixed rings that are the symmetry and set up on the car, two wire rope fixed connection is on two solid fixed rings.

As an optimized technical scheme of the utility model, four the dull polish piece is all bigger than four extrusion pieces.

As an optimal technical scheme of the utility model, a protection shield of car lateral wall fixedly connected with.

As a preferable technical solution of the present invention, the protection plate is made of a heat absorbing material.

The utility model has the advantages that: the utility model relates to an emergency braking device for elevator with adjustable, through setting up the spout, a slide rail, the pulley, telescopic cylinder, the extrusion piece, driving motor, the bull stick, brake switch, wire rope, spring and buffer board use of mutually supporting, when elevator speed is unusual, can slow down through brake switch, telescopic cylinder work makes the pulley stop sliding simultaneously, further braking, the spring through the elevator lower extreme can reduce the impact when the elevator falls, the heat that produces when the protection shield can absorb the elevator braking when the protection elevator is indeformable simultaneously, avoid the elevator to damage.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic sectional view of the whole structure of the present invention;

fig. 2 is a schematic structural view of the side view of the car of the present invention;

FIG. 3 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

fig. 4 is a schematic view of the overall structure of the present invention.

In the figure: 1. a lifting channel; 2. a channel plate; 3. a chute; 4. a slide rail; 5. a pulley; 6. a telescopic cylinder; 7. a piston rod; 8. extruding the sheet; 9. grinding a sand sheet; 10. an L-shaped fixing plate; 11. a fixed mount; 12. a drive motor; 13. a support frame; 14. a rotating rod; 15. a bearing; 16. a roller; 17. a wire rope; 18. a fixing ring; 19. a brake switch; 20. a protection plate; 21. a car; 22. a spring; 23. a buffer plate.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in figures 1-4, the adjustable emergency braking device for elevator of the present invention comprises a lifting channel 1, two sides of the lifting channel 1 are provided with channel plates 2, one side of each of the two channel plates 2 facing each other is provided with a sliding chute 3, one sliding rail 4 is fixedly installed in each of the two sliding chutes 3, the two sliding rails 4 are slidably connected with four pulleys 5 symmetrically arranged in pairs, the middle points of the outer side walls of the four pulleys 5 are fixedly connected with a telescopic cylinder 6, the output ends of the four telescopic cylinders 6 are movably connected with a piston rod 7, one side of each of the four piston rods 7 away from the telescopic cylinder 6 is fixedly connected with an extrusion sheet 8, the outer side walls of each of the four extrusion sheets 8 are fixedly connected with a sanding sheet 9, one side of each of the four pulleys 5 facing each other is fixedly connected with an L-shaped fixing plate 10, and the four, spring 22 that two layers of symmetry of fixed surface set up under car 21, buffer board 23 of the common fixedly connected with in two spring 22 lower surfaces, fixed surface installs a mount 11 on 2 of them of two passboards, driving motor 12 of 11 inside wall fixedly connected with of mount, support frame 13 of fixed surface connected with on 1 of lift passageway, support frame 13 middle part swing joint has a bull stick 14, shaft coupling fixed connection is passed through at driving motor 12 output in one of them side of bull stick 14 both sides, bull stick 14 is kept away from driving motor 12 one side and is rotated and be connected with a bearing 15, gyro wheel 16 of 14 lateral wall fixedly connected with of bull stick, 16 surface swing joints of gyro wheel have two wire rope 17, two wire rope 17 fixed connection are on car 21 upper surface.

A brake switch 19 is fixedly mounted on the inner side wall of the car 21, and control of a brake system through the brake switch 19 is facilitated.

Fixed surface is connected with two fixed rings 18 that are the symmetry and set up on car 21, and two wire rope 17 fixed connection are favorable to strengthening the steadiness on two fixed rings 18, prevent that wire rope 17 from droing.

The four sanding sheets 9 are larger than the four extrusion sheets 8, so that the friction force of the sanding sheets 9 is increased when the extrusion sheets 8 are extruded.

A protective plate 20 is fixedly connected to the outer side wall of the car 21, which is beneficial to protecting the car 21 when braking through the protective plate 20.

The protection plate 20 is made of heat absorbing material, which is beneficial to absorbing heat when braking, and preventing the elevator from being damaged.

Specifically, the utility model relates to an emergency braking device for elevator with adjustable, when using, appear unusually when car 21 operates, press brake switch 19, driving motor 12 starts this moment, driving motor 12 output passes through support frame 13 and bearing 15 and drives bull stick 14 and rotate, bull stick 14 drives gyro wheel 16 simultaneously and rotates, winding wire rope 17 is seted up to gyro wheel 16, car 21 begins the speed that slows down, four telescopic cylinder 6 start this moment, telescopic cylinder 6 drives piston rod 7, piston rod 6 drives extrusion piece 8 and dull polish piece 9 and brakes at the access board, four pulley 5 stop sliding this moment, further braking, spring 22 and buffer board 23 of lower extreme can reduce the impact force when car 21 falls completely, protection shield 20 can protect car 21 not to warp simultaneously absorb the heat, the operation finishes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The adjustable emergency braking device for the elevator is characterized by comprising a lifting channel (1), channel plates (2) are arranged on two sides of the lifting channel (1), two sliding grooves (3) are formed in opposite sides of the channel plates (2), a sliding rail (4) is fixedly mounted in each sliding groove (3), the two sliding rails (4) are connected with four pulleys (5) which are symmetrically arranged in pairs in a sliding manner, a telescopic cylinder (6) is fixedly connected to the middle points of the outer side walls of the four pulleys (5), the output ends of the four telescopic cylinders (6) are movably connected with a piston rod (7), one side, away from the telescopic cylinder (6), of each piston rod (7) is fixedly connected with an extrusion piece (8), and the outer side walls of the four extrusion pieces (8) are fixedly connected with a sand grinding piece (9), four pulleys (5) are fixedly connected with an L-shaped fixing plate (10) on one side in opposite directions, four L-shaped fixing plates (10) are fixedly connected with a car (21) together, the lower surface of the car (21) is fixedly connected with two springs (22) symmetrically arranged on two layers, the lower surface of each spring (22) is fixedly connected with a buffer plate (23) together, two channel plates (2) are fixedly installed on one upper surface of the channel plate (11) respectively, a driving motor (12) is fixedly connected to the inner side wall of the fixed frame (11), a supporting frame (13) is fixedly connected to the upper surface of the lifting channel (1), a rotating rod (14) is movably connected to the middle of the supporting frame (13), one of the two sides of the rotating rod (14) is fixedly connected to the output end of the driving motor (12) through a coupler, and one side of the rotating rod (14) far away from the driving motor (12, the outer side wall of the rotating rod (14) is fixedly connected with a roller (16), the outer surface of the roller (16) is movably connected with two steel wire ropes (17), and the two steel wire ropes (17) are fixedly connected to the upper surface of the lift car (21).

2. The adjustable emergency brake device for elevator as claimed in claim 1, wherein a brake switch (19) is fixedly installed on the inner side wall of the car (21).

3. The adjustable emergency braking device for elevator as claimed in claim 1, wherein two symmetrically arranged fixing rings (18) are fixedly connected to the upper surface of the car (21), and two of the steel cables (17) are fixedly connected to the two fixing rings (18).

4. Adjustable emergency braking device for elevators according to claim 1, characterized in that the four sanding discs (9) are each larger than the four pressing discs (8).

5. The adjustable emergency brake device for elevator as claimed in claim 1, wherein a protective plate (20) is fixedly connected to the outer side wall of the car (21).

6. Adjustable emergency brake device for elevators according to claim 5, characterized in that the protective plate (20) is made of heat absorbing material.