CN211444616U

CN211444616U - Locking device for preventing elevator from falling

Info

Publication number: CN211444616U
Application number: CN201922244271.2U
Authority: CN
Inventors: 史凯; 张忠; 赖松明
Original assignee: Xizi Xiao Elevator Guizhou Co ltd
Current assignee: Xizi Xiao Elevator Guizhou Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-09-08
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses a locking device for preventing elevator from falling, which comprises a supporting box arranged on the top surface of an elevator car, wherein a rotating wheel is rotatably arranged inside the supporting box, a rope is arranged outside the rotating wheel in a transmission way, and a pressing plate is arranged inside the supporting box; the both sides wall of supporting box length direction runs through and is provided with the guiding hole, the inside slidable mounting of guiding hole has the sliding shaft, the push pedal is installed to the one end of sliding shaft, the other end ann of sliding shaft changes the stopper, thrust spring is installed in the sliding shaft outside, the go-between is installed to the supporting box inner wall. Has the advantages that: can utilize thrust spring's elasticity, compress tightly the rope and fix between briquetting and clamp plate, realize fixed to the locking of rope, through the briquetting of both sides and the inseparable cooperation of clamp plate to the realization is to rope both sides ascending locking in the elevator, and locking is effectual, prevents the tenesmus of elevator, improves the security that the elevator was taken.

Description

Locking device for preventing elevator from falling

Technical Field

The utility model relates to an elevator accessory field, concretely relates to be used for preventing elevator locking device that tenets.

Background

The elevator of vertical lift can drive passenger or goods through the removal of car and carry out the lift of vertical direction, when the elevator detected certain trouble in the operation, like voltage shakiness, electric interlocking disconnection suddenly etc. power disconnection this moment appears sliding easily between wire rope and the pulley, causes the phenomenon that the car drops suddenly.

The existing elevator car top surface lacks a device for locking a steel wire rope in emergency power-off in power-off, so that the elevator is easy to fall, the steel wire rope is difficult to be locked, and the steel wire rope and a pulley are easy to slide, thereby easily causing danger.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be used for preventing elevator locking device that tenesmus in order to solve above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme can compress tightly the rope and fix between briquetting and clamp plate, realize fixed to the locking of rope, realize the locking to rope both sides side direction in the elevator, locking is effectual, prevents the tenesmus of elevator, improves the technical effect of the security that the elevator was taken, sees the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a locking device for preventing elevator from falling, including installing the supporting box on elevator car top surface, the supporting box upper end is open structure, the supporting box is inside to rotate and to install the turning wheel, the rope is installed in the transmission of the turning wheel outside, two tip of rope extend upwards, the supporting box is inside to install the clamp plate, the clamp plate is located the turning wheel top;

support case length direction's both sides wall and run through and be provided with the guiding hole, the inside slidable mounting of guiding hole has the sliding shaft, the one end of sliding shaft is deepened support incasement portion, and install the push pedal that the material is indisputable, the other end of sliding shaft is worn out support case, and ann changes the stopper, thrust spring is installed in the sliding shaft outside, thrust spring is located support case with between the push pedal, support incasement wall installs the electro-magnet, the electro-magnet with the push pedal is corresponding, the push pedal is close to the surface of clamp plate is provided with the briquetting.

By adopting the locking device for preventing the elevator from falling, when the device is used, when the elevator is powered off, the electromagnet and the push plate lose magnetism, the push plate is pushed to move by the elasticity of the thrust spring, the pressing block moves towards the pressing plate through the push plate, the rope is tightly pressed and fixed between the pressing block and the pressing plate, the rope is locked and fixed, and the pressing block and the pressing plate are tightly matched through two sides, so that the locking in the elevator in the directions of two sides of the rope is realized, the locking effect is good, and the elevator is prevented from falling.

Preferably, the surface of the pressing block close to the pressing plate is an arc surface, and the surface of the pressing plate close to the pressing block is provided with a locking groove.

Preferably, a rubber pad is mounted on the inner wall of the locking groove.

Preferably, the cross sections of the guide hole and the sliding shaft are square and are in clearance fit.

Preferably, the electromagnet is annular and is located on the outer side of the guide hole, an iron connecting ring is arranged on the surface, close to the electromagnet, of the push plate, and the connecting ring corresponds to the electromagnet.

Preferably, the surface of the connecting ring near the electromagnet is provided with a buffer pad, and the buffer pad is bonded with the connecting ring.

Has the advantages that: can utilize thrust spring's elasticity, compress tightly the rope and fix between briquetting and clamp plate, realize fixed to the locking of rope, through the briquetting of both sides and the inseparable cooperation of clamp plate to the realization is to rope both sides ascending locking in the elevator, and locking is effectual, prevents the tenesmus of elevator, improves the security that the elevator was taken.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is an enlarged view of the mounting structure of the push plate of the present invention.

The reference numerals are explained below:

1. a support box; 101. a guide hole; 3. an electromagnet; 2. a sliding shaft; 201. a limiting block; 202. a thrust spring; 203. briquetting; 204. pushing the plate; 4. a connecting ring; 401. a cushion pad; 5. a rotating wheel; 501. a rope; 6. pressing a plate; 601. a locking groove; 602. and (7) a rubber pad.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a locking device for preventing elevator from falling down, which comprises a supporting box 1 installed on the top surface of an elevator car, the upper end of the supporting box 1 is of an open structure, a rotating wheel 5 is rotatably installed inside the supporting box 1, a rope 501 is installed outside the rotating wheel 5 in a transmission manner, two end parts of the rope 501 extend upwards, a pressing plate 6 is installed inside the supporting box 1, and the pressing plate 6 is positioned above the rotating wheel 5;

support 1 length direction's of case both sides wall and run through and be provided with guiding hole 101, the inside slidable mounting of guiding hole 101 has sliding shaft 2, sliding shaft 2's one end is deepened inside supporting box 1, and install the push pedal 204 that the material is indisputable, supporting box 1 is worn out to sliding shaft 2's the other end, and ann changes stopper 201, thrust spring 202 is installed in the sliding shaft 2 outside, thrust spring 202 is located between supporting box 1 and the push pedal 204, electromagnet 3 is installed to supporting box 1 inner wall, electromagnet 3 is corresponding with push pedal 204, push pedal 204 is close to the surface of clamp plate 6 and is provided with briquetting 203.

As an optional implementation manner, the surface of the pressing block 203 close to the pressing plate 6 is an arc surface, and the surface of the pressing plate 6 close to the pressing block 203 is provided with a locking groove 601, so that the pressing block 203 and the locking groove 601 are matched, the rope 501 can be tightly pressed and fixed in the locking groove 601, the rope 501 is locked, and the locking effect is good.

The inner wall of the locking groove 601 is provided with a rubber pad 602, so that the rope 501 can be pressed.

The cross-section of guiding hole 101 and sliding shaft 2 all is square, and clearance fit sets up like this, avoids sliding shaft 2 to take place to rotate inside guiding hole 101, makes sliding shaft 2 steadily slide inside guiding hole 101.

Electro-magnet 3 is the annular, and is located the guiding hole 101 outside, and push pedal 204 is close to the surperficial mounting who is equipped with iron go-between 4 of electro-magnet 3, and go-between 4 is corresponding with electro-magnet 3, sets up like this, and is electrified as electro-magnet 3, thereby can directly adsorb go-between 4 and carry on spacingly to push pedal 204, and go-between 4 is closer apart from electro-magnet 3's distance, is adsorbed more easily, and it is more convenient to use.

The surface mounting that go-between 4 is close to electro-magnet 3 has blotter 401, and blotter 401 bonds with go-between 4 and is in the same place, sets up like this, and 3 circular telegrams at electro-magnet, when adsorbing go-between 4, can cushion between electro-magnet 3 and go-between 4 through blotter 401, alleviates the impact to electro-magnet 3, cushions protection to electro-magnet 3.

Adopt above-mentioned structure, during the operative installations, when the elevator outage, electro-magnet 3 outage, lose magnetism between electro-magnet 3 and the push pedal 204, utilize thrust spring 202 self elasticity to promote push pedal 204 and remove, drive briquetting 203 through push pedal 204 and remove towards clamp plate 6, compress tightly rope 501 and fix between briquetting 203 and clamp plate 6, the realization is fixed to the locking of rope 501, briquetting 203 through both sides and the inseparable cooperation of clamp plate 6, thereby realize the locking to rope 501 both sides direction in the elevator, locking is effectual, prevent the tenesmus of elevator.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A locking device for preventing an elevator from falling down is characterized in that: the elevator car supporting device comprises a supporting box (1) arranged on the top surface of an elevator car, the upper end of the supporting box (1) is of an open structure, a rotating wheel (5) is rotatably arranged in the supporting box (1), a rope (501) is arranged on the outer side of the rotating wheel (5) in a transmission mode, two end portions of the rope (501) extend upwards, a pressing plate (6) is arranged in the supporting box (1), and the pressing plate (6) is located above the rotating wheel (5);

support case (1) length direction's both sides wall and run through and be provided with guiding hole (101), guiding hole (101) inside slidable mounting has sliding shaft (2), the one end of sliding shaft (2) is deep inside support case (1), and installs push pedal (204) that the material is iron, wear out the other end of sliding shaft (2) support case (1), and ann changes stopper (201), thrust spring (202) are installed in sliding shaft (2) outside, thrust spring (202) are located support case (1) with between push pedal (204), electro-magnet (3) are installed to support case (1) inner wall, electro-magnet (3) with push pedal (204) are corresponding, push pedal (204) are close to the surface of clamp plate (6) is provided with briquetting (203).

2. A locking device for preventing elevator from falling down according to claim 1, characterized in that: the surface of the pressing block (203) close to the pressing plate (6) is an arc surface, and the surface of the pressing plate (6) close to the pressing block (203) is provided with a locking groove (601).

3. Locking device for preventing elevator from falling down according to claim 2, characterized in that: and a rubber pad (602) is arranged on the inner wall of the locking groove (601).

4. A locking device for preventing elevator from falling down according to claim 1, characterized in that: the cross sections of the guide hole (101) and the sliding shaft (2) are square and are in clearance fit.

5. A locking device for preventing elevator from falling down according to claim 1, characterized in that: electro-magnet (3) are the annular, and are located the guiding hole (101) outside, push pedal (204) are close to the surface mounting of electro-magnet (3) has iron go-between (4), go-between (4) with electro-magnet (3) are corresponding.

6. Locking device for preventing elevator from falling down according to claim 5, characterized in that: the surface of the connecting ring (4) close to the electromagnet (3) is provided with a buffer pad (401), and the buffer pad (401) is bonded with the connecting ring (4).