CN212222081U

CN212222081U - Elevator remote safety management device

Info

Publication number: CN212222081U
Application number: CN202020015027.9U
Authority: CN
Inventors: 黄海涛
Original assignee: Hebei Enhe Electronic Technology Co ltd
Current assignee: Hebei Enhe Electronic Technology Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-12-25
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an elevator remote safety management device, which comprises an elevator shaft, a top cover, a traction machine, a slide way, a baffle, a rotating shaft, a controller, a steel wire rope clamping device, a steel wire rope, a car, a baffle motor, an infrared transmitter, an infrared receiver and a limiting block, wherein when the moving speed of the car exceeds a preset maximum value or a person presses an emergency button in the car during the operation of the elevator, the controller controls the steel wire rope clamping device and the baffle motor to work and sends an alarm to a remote control terminal, the steel wire rope clamping device clamps the steel wire rope, the baffle motor drives the rotating shaft to rotate so as to drive the baffle to rotate, the baffle is matched with the limiting block to form a forty-five-degree angle with the side wall of the elevator shaft, and is used for providing a buffer when the car descends rapidly, preventing accidents from happening and stopping the elevator car at the elevator shaft so as to facilitate rescue workers, and can prevent the elevator from rapidly falling to cause injury to people.

Description

Elevator remote safety management device

Technical Field

The utility model relates to a life safety field specifically is a long-range safety control device of elevator.

Background

A mechanical elevator generally includes an electric drive mechanism and an electromagnetic brake clutch mechanism, which are driven by an electric motor to pull a cage up and down through a wire rope. When the mechanical elevator is in operation, once faults such as fire, power failure, communication interruption and the like occur, passengers are often trapped in an elevator cage, the passengers cannot save themselves for emergency escape, maintenance and rescue personnel must wait for the passengers to arrive in a rescue canal, and casualty events and psychological panic are caused; especially when the elevator cage breaks down between two floors, the rescue personnel open the inner door and the outer door of the elevator cage, trapped personnel need to escape from the elevator cage through jumping, and the elevator cage is easy to be accidentally injured and has danger of falling into a lifting channel.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a long-range safety control device of elevator to solve the problem that proposes in the above-mentioned background art.

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

a remote safety management device for an elevator comprises an elevator shaft, a top cover, a traction machine, a slide way, a baffle, a rotating shaft, a controller, a steel wire rope clamp, a steel wire rope, a car, a baffle motor, an infrared transmitter, an infrared receiver and a limiting block, wherein the top of the elevator shaft is fixedly connected with the top cover, the top of the top cover is fixedly connected with the traction machine, the steel wire rope is wound on a traction wheel on the traction machine, two ends of the steel wire rope are respectively and fixedly connected with the counterweight device and the top of the car, the traction steel wire rope is tightly pressed in a traction wheel groove by the gravity of the car and the counterweight device to generate friction force, the motor of the traction machine rotates to drive the traction wheel to rotate, the steel wire rope is driven, the car and; the counterweight rises, the car descends, then the car reciprocates up and down along the guide rail in the shaft, and the elevator performs a vertical conveying task;

the bottom of the steel wire rope is fixedly connected to the top surface of the lift car to drive the lift car to move up and down, a steel wire rope clamping device is fixedly connected to the upper section of the steel wire rope, which is sleeved at the top of the elevator shaft, the steel wire rope clamping device is electrically connected with a controller, the controller is fixedly connected to the outer wall of the right side of the top of the elevator shaft, a wireless communication module is arranged in the controller, and the controller is connected with a remote control terminal through a wireless communication signal;

be equipped with square through hole on the both ends lateral wall of elevartor shaft, fixedly connected with stopper on the through-hole lateral wall, sliding connection has the slide on the stopper, and the bottom pin joint of slide is on the lateral wall of baffle, and the bottom surface of baffle is equipped with the sleeve, fixedly connected with pivot in the sleeve, and bearing sliding connection is passed through on the elevartor shaft lateral wall at the both ends of pivot for the baffle can rotate round the pivot, and because the restriction of slide can make to be forty-five degrees angles between baffle and the elevartor shaft lateral wall, the front end key connection of pivot has the sprocket, is connected with the baffle motor through the chain, and baffle motor electricity connection director makes the baffle motor can rotate through driving the pivot, thereby drives the baffle and rotates, and the baffle setting is in the bottom below of every lift.

The bilateral symmetry of elevartor shaft is equipped with two pairs of infrared transmitter and infrared receiver, infrared transmitter and infrared receiver bilateral symmetry aim at each other, infrared transmitter and infrared receiver are connected with the controller electricity, when not sheltered from by the car, the light of infrared transmitter transmission can be received to infrared receiver, produce the signal of telecommunication, the signal of telecommunication that infrared receiver sent can be accepted to the controller, when the car passes through infrared transmitter and infrared receiver under the traction of hauler, infrared receiver can't receive infrared transmitter's light, because the length of car is fixed, can judge the speed of moving of car through the time that infrared receiver is blocked, when the speed of moving of car exceedes and predetermines the maximum value, controller control wire rope clamp and the work of baffle motor.

As a further aspect of the present invention: and an electromagnetic brake is arranged on a motor spindle of the traction machine, so that double braking guarantee is realized, and the safety of the elevator is ensured.

As a further aspect of the present invention: the baffle motor is an alternating current servo motor, so that the controller can conveniently control the elevator to work.

Compared with the prior art, the beneficial effects of the utility model are that: when the cage passes through the infrared emitter and the infrared receiver under the traction of the traction machine, the infrared receiver can not receive the light of the infrared emitter, because the length of the car is fixed, the moving speed of the car can be judged according to the time when the infrared receiver is blocked, when the moving speed of the lift car exceeds a preset maximum value or a person presses an emergency button in the lift car in the accident of the operation of the lift, the controller controls the wire rope clamping device and the baffle motor to work, and sends an alarm to the remote control terminal, the wire rope clamping device clamps the wire rope, the baffle motor drives the rotating shaft to rotate, thereby driving the baffle to rotate, the baffle forms a forty-five degree angle with the side wall of the elevator shaft under the matching of the slideway and the limiting block and is used for providing buffering when the elevator car descends rapidly to prevent accidents, and the elevator car is stopped at the elevator door, so that rescue workers can conveniently rescue the elevator car, and the elevator can be prevented from being quickly descended to cause damage to people.

Drawings

Fig. 1 is a schematic structural diagram of an elevator remote safety management device.

Fig. 2 is a schematic structural diagram of a baffle in an elevator remote safety management device.

In the figure: the elevator comprises an elevator shaft 1, a top cover 2, a tractor 3, a slideway 4, a baffle 5, a rotating shaft 6, a controller 7, a steel wire rope clamp 8, a steel wire rope 9, a car 10, a baffle motor 11, an infrared transmitter 12, an infrared receiver 13 and a limiting block 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, in an embodiment of the present invention, an elevator remote safety management apparatus includes an elevator shaft 1, a top cover 2, a traction machine 3, a chute 4, a baffle 5, a rotating shaft 6, a controller 7, a wire rope clamp 8, a wire rope 9, a car 10, a baffle motor 11, an infrared emitter 12, an infrared receiver 13, and a stopper 14, the top of the elevator shaft 1 is fixedly connected to the top cover 2, the top of the top cover 2 is fixedly connected to the traction machine 3, a wire rope 9 is wound around a traction sheave on the traction machine 3, two ends of the wire rope 9 are respectively fixedly connected to a counterweight and the top of the car 10, the gravity of the car 10 and the counterweight causes the wire rope to be pressed in a traction sheave groove to generate friction, a motor of the traction machine 3 rotates to drive the traction sheave to rotate, the wire rope 9 is driven, the car 10 and a counterweight block move relatively, that is, that, lowering the counterweight; the counterweight rises and the car 10 descends, so that the car reciprocates up and down along the guide rails in the hoistway and the elevator performs a vertical conveying task;

the bottom of the steel wire rope 9 is fixedly connected to the top surface of the lift car 10 to drive the lift car 10 to move up and down, the steel wire rope 9 is fixedly connected to a steel wire rope clamping device 8 on the upper section of the top of the elevator shaft 1 in a sleeved mode, the steel wire rope clamping device 8 is electrically connected with the controller 7, the controller 7 is fixedly connected to the outer wall of the right side of the top of the elevator shaft, and a wireless communication module is arranged in the controller 7 and connected with a remote control terminal through a wireless communication signal;

the elevator shaft is characterized in that square through holes are arranged on the side walls of two ends of the elevator shaft 1, limiting blocks 14 are fixedly connected to the side walls of the through holes, slide ways 4 are connected to the limiting blocks 14 in a sliding mode, the bottoms of the slide ways 4 are connected to the side walls of the baffle plates 5 in a pin mode, sleeves are arranged on the bottom surfaces of the baffle plates 5, rotating shafts 6 are fixedly connected to the sleeves, two ends of each rotating shaft 6 are connected to the side walls of the elevator shaft 1 in a sliding mode through bearings, so, and the baffle 5 and the side wall of the elevator shaft 1 form a forty-five degree angle due to the limitation of the slide 4, the front end of the rotating shaft 6 is keyed with a chain wheel, is connected with a baffle motor 11 through a chain, the baffle motor 11 is electrically connected with a controller 7, so that the baffle motor 11 can drive a rotating shaft 6 to rotate, thereby drive baffle 5 and rotate, baffle 5 sets up the bottom below every lift-cabin door, can multistage speed reduction, prevents that the elevator from landing.

Two pairs of infrared transmitters 12 and infrared receivers 13 are symmetrically arranged on two sides of the elevator shaft 1, the infrared transmitter 12 and the infrared receiver 13 are aligned with each other in bilateral symmetry, the infrared transmitter 12 and the infrared receiver 13 are electrically connected with the controller 7, when not shielded by the car 10, the infrared receiver 13 can receive the light emitted by the infrared emitter 12 and generate an electric signal, the controller 7 can receive the electric signal emitted by the infrared receiver 13, when the cage 10 passes through the infrared transmitter 12 and the infrared receiver 13 under the traction of the traction machine 3, the infrared receiver 13 cannot receive the light of the infrared transmitter 12, since the length of the car 10 is fixed, the moving speed of the car 10 can be judged by the time when the infrared receiver 13 is blocked, when the moving speed of the car 10 exceeds a preset maximum value, the controller 7 controls the wire rope clamping device 8 and the baffle motor 11 to work.

Preferably, an electromagnetic brake 5 is arranged on a motor spindle of the traction machine 3, so that double braking is guaranteed, and the safety of the elevator is guaranteed.

Preferably, the baffle motor 11 is an alternating current servo motor, so that the controller 7 can control the elevator to work conveniently.

The utility model discloses a theory of operation is: when the cage 10 passes through the infrared transmitter 12 and the infrared receiver 13 under the traction of the traction machine 3, the infrared receiver 13 cannot receive the light of the infrared transmitter 12, since the length of the car 10 is fixed, the moving speed of the car 10 can be judged by the time when the infrared receiver 13 is blocked, when the moving speed of the cage 10 exceeds the preset maximum value or a person presses an emergency button in the cage 10 in the accident of elevator operation, the controller 7 controls the wire rope clamping device 8 and the baffle motor 11 to work, and sends an alarm to the remote control terminal, the wire rope clamp 8 clamps the wire rope 9, the baffle motor 11 drives the rotating shaft 6 to rotate, thereby driving the baffle 5 to rotate, because the limitation of the chute 4 enables a forty-five degree angle between the baffles 5 and the side wall of the elevator shaft 1, the cage 10 is prevented from falling down by protruding from the inner wall of the elevator shaft 1, and the cage 10 is supported when the top surface of the baffle 5 contacts the bottom surface of the cage 10.

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 or portions thereof without departing from the spirit and scope of the invention.

Claims

1. A remote safety management device for an elevator comprises an elevator shaft, a top cover, a traction machine, a slide way, a baffle, a rotating shaft, a controller, a steel wire rope clamp, a steel wire rope, a car, a baffle motor, an infrared transmitter, an infrared receiver and a limiting block, wherein the top of the elevator shaft is fixedly connected with the top cover;

the elevator shaft is characterized in that square through holes are formed in side walls of two ends of the elevator shaft, limiting blocks are fixedly connected to the side walls of the through holes, slide ways are connected to the limiting blocks in a sliding mode, the bottoms of the slide ways are connected to the side walls of the baffle plates in a pin mode, sleeves are arranged on the bottom surfaces of the baffle plates, rotating shafts are fixedly connected into the sleeves, two ends of each rotating shaft are connected to the side walls of the elevator shaft in a sliding mode through bearings, the baffle plates can rotate around the rotating shafts, the baffle plates and the side walls of the elevator shaft can form a forty-five-degree angle due to the limitation of the slide ways;

two pairs of infrared transmitters and infrared receivers are symmetrically arranged on two sides of the elevator shaft, the infrared transmitters and the infrared receivers are symmetrically aligned to each other in a bilateral mode, and the infrared transmitters and the infrared receivers are electrically connected with the controller.

2. The elevator remote safety management device according to claim 1, wherein an electromagnetic brake is provided on a motor spindle of the traction machine.

3. The elevator remote safety management device of claim 1, wherein the damper motor is an ac servo motor.