CN217264094U

CN217264094U - Elevator detecting and braking device

Info

Publication number: CN217264094U
Application number: CN202220957959.4U
Authority: CN
Inventors: 李晓东; 杨志强
Original assignee: Weifang Special Equipment Inspection And Research Institute
Current assignee: Weifang Special Equipment Inspection And Research Institute
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-23
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to an elevator equipment technical field specifically is an elevator detects and arresting gear, including setting up in the inside frame of building wall body, actuating mechanism, detection mechanism and PLC controller, the inside elevartor shaft that is provided with of frame, be equipped with car and balancing weight in the elevartor shaft, the frame top is equipped with the detection room, and detection mechanism is including locating two pressure sensors in the detection room, and actuating mechanism sets up in two electric telescopic handle of the relative both sides in car bottom and sets up in the brake assembly of every electric telescopic handle one end including fixed, and two pressure sensors and electric telescopic handle all with PLC controller communication connection. The elevator detection and braking device of the utility model can alarm in time when the lift car is overloaded through the pressure sensor, thereby preventing the occurrence of overload potential safety hazard; when the haulage rope breaks, the pressure sensor can detect in time, through arrestment mechanism to emergency braking and in time report to the police to this protection passenger's safety to the car.

Description

Elevator detecting and braking device

Technical Field

The utility model relates to an elevator equipment technical field specifically is an elevator detects and arresting gear.

Background

Along with the speed of urbanization is faster and faster, for satisfying people's trip or the convenience of carrying goods, property company often can install the elevator that makes things convenient for people to go on and off in the floor. The elevator brings convenience to people, particularly high-rise residents, and meanwhile, various accidents of the elevator are frequently accompanied, once a large fault occurs, the most direct life threat to users can be caused, and the death events of people caused by the safety of the elevator are rare, so that the elevator detection and braking device with high safety is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator detects and arresting gear just in order to solve above-mentioned problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an elevator detection and braking device comprises a frame, a driving mechanism, a detection mechanism and a PLC (programmable logic controller) which are arranged inside a building wall, wherein an elevator shaft is arranged inside the frame, a car and a balancing weight are arranged in the elevator shaft, two car guide rails are fixedly arranged on the inner walls of the front side and the rear side of the elevator shaft respectively, the car is arranged between the two car guide rails, and the PLC is fixedly arranged inside the frame; the top of the frame is provided with a detection chamber, the detection mechanism comprises two pressure sensors arranged in the detection chamber, the two pressure sensors are in communication connection with the PLC, and the pressure sensors are used for sensing the weight information of the lift car in real time; arrestment mechanism is including fixed setting up in two electric telescopic handle of the relative both sides in car bottom and setting up in the braking component of every electric telescopic handle one end, electric telescopic handle and PLC controller communication connection, every braking component includes and is connected fixed guide block with electric telescopic handle, two sliders, two springs, roll guide pulley and brake block, guide block is equipped with the guide slot with car guide rail complex, the roll groove that is linked together with the guide slot reaches and communicates and be located the spout of the roll groove left and right sides with the roll groove, slider slidable sets up in the spout, fixedly connected with spring between slider and the spout inner wall, two slider bilateral symmetry, the roll guide pulley is located the roll inslot and rotatable setting between two sliders, the brake block is fixed to be set up in the roll groove and keeps away from one side inner wall of guide slot.

Preferably, the elevator detection and braking device further comprises a driving mechanism, a driving chamber is arranged at the top of the frame, the driving mechanism comprises a driving wheel rotatably arranged in the driving chamber and a driving motor fixedly arranged on the inner wall of the driving chamber, and the driving wheel is connected with an output shaft of the driving motor.

Further preferably, detection mechanism still includes and rotationally locates the range finding wheel and the encoder in the driving chamber, and range finding wheel and PLC controller communication connection, range finding wheel are located drive wheel and driving motor left side and be connected with the encoder.

Further preferably, the fixed two sets of first hanging wheels that are provided with in car top, the fixed second hanging wheel that is provided with in balancing weight top, a connecting plate are arranged in this and are detected indoorly, and two pressure sensors support and locate connecting plate bottom both ends department, around being equipped with the haulage rope between the second hanging wheel on first hanging wheel on the car, range finding wheel, drive wheel and the balancing weight, haulage rope one end is connected fixedly with the connecting plate that detects indoorly, and the other end is connected and is fixed in the frame position department directly over the second hanging wheel.

Preferably, a loudspeaker is arranged at the top of the inner side of the car and is in communication connection with the PLC.

The elevator detection and braking device of the utility model can alarm in time when the lift car is overloaded through the pressure sensor, thereby preventing the occurrence of overload potential safety hazard; when the haulage rope breaks, the pressure sensor can detect in time, through arrestment mechanism to emergency braking and in time report to the police to this protection passenger's safety to the car.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is a schematic structural view of an elevator detecting and braking device provided in a preferred embodiment of the present invention;

FIG. 2 is a schematic view taken along A-A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged schematic view of the brake assembly of FIG. 1;

FIG. 5 is a schematic view of the brake assembly of FIG. 1 taken in a top view;

in the figure: 10. a frame; 11. an elevator shaft; 111. a car guide rail; 12. a car; 121. a first hoisting wheel; 13. a balancing weight; 131. a second hoisting wheel; 14. a drive chamber; 15. a detection chamber; 151. a connecting plate; 16. a hauling rope; 20. a drive mechanism; 21. a drive wheel; 22. a drive motor; 30. a detection mechanism; 31. a distance measuring wheel; 32. an encoder; 33. a pressure sensor; 40. a brake mechanism; 41. an electric telescopic rod; 42. a brake assembly; 421. a guide slider; 423. a slider; 425. a spring; 427. a rolling guide wheel; 429. a brake block; 422. a guide groove; 424. a rolling groove; 426. a chute; 50. a PLC controller; 60. a loudspeaker.

Detailed Description

The invention will now be described in further detail with reference to the accompanying drawings, which are simplified and are only schematic illustrations of the basic structure of the invention, and the embodiments thereof, and which therefore only show the constructions associated with the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1 to 5, a preferred embodiment of the present invention provides an elevator detecting and braking device, which comprises a frame 10, a driving mechanism 20, a detecting mechanism 30, a braking mechanism 40 and a PLC controller 50, which are disposed inside a building wall.

An elevator shaft 11 is arranged in the frame 10, a car 12 and a counterweight block 13 are arranged in the elevator shaft 11, two car guide rails 111 are respectively and fixedly arranged on the inner walls of the front side and the rear side of the elevator shaft 11, the car 12 is arranged between the two car guide rails 111, two groups of first hanging wheels 121 are fixedly arranged at the top of the car 12, and a second hanging wheel 131 is fixedly arranged at the top of the counterweight block 13; the frame 10 is provided at the top with a driving chamber 14 and a detecting chamber 15, and a connection plate 151 is disposed in the detecting chamber 15. The PLC controller 50 is fixedly installed inside the frame 10 to control the operation of the car 12.

The driving mechanism 20 includes a driving wheel 21 rotatably disposed in the driving chamber 14 and a driving motor 22 fixedly disposed on the inner wall of the driving chamber 14, wherein the driving wheel 21 is connected to an output shaft of the driving motor 22 so as to drive the driving wheel 21 to rotate via the driving motor 22.

The detection mechanism 30 comprises a distance measuring wheel 31 and an encoder 32 which are rotatably arranged in the driving chamber 14 and two pressure sensors 33 arranged in the detection chamber 15, the distance measuring wheel 31 and the pressure sensors 33 are both in communication connection with the PLC 50, the distance measuring wheel 31 is positioned on the left sides of the driving wheel 21 and the driving motor 22 and is connected with the encoder 32, the distance measuring wheel 31 rotates to drive the encoder 32 to generate pulse signals, the pulse signals are transmitted to the PLC 50, and the PLC 50 calculates the number of the pulse signals and calculates the braking distance of the elevator according to the number of the pulse signals; two pressure sensors 33 are abutted to two ends of the bottom of the connecting plate 151, and the pressure sensors 33 are used for sensing weight information of the car 12 in real time.

Around being equipped with haulage rope 16 between the second hoisting wheel 131 on first hoisting wheel 121, range finding wheel 31, the drive wheel 21 on the car 12 and the balancing weight 13, haulage rope 16 one end is connected fixedly with the connecting plate 151 in the detection room 15, and the other end is connected and is fixed in frame 10 position department directly over second hoisting wheel 131, through the traction of haulage rope 16 can pull car 12 and go up and down.

Preferably, a speaker 60 is disposed on the top of the inner side of the car 12, the speaker 60 is in communication with the PLC controller 50, and when the traction rope 16 is broken or the car 12 is overloaded, the PLC controller 50 triggers the speaker 60 to make the speaker 60 sound an alarm.

The braking mechanism 40 comprises two electric telescopic rods 41 fixedly arranged at two opposite sides of the bottom of the car 12 and a braking assembly 42 arranged at one end of each electric telescopic rod 41, and the electric telescopic rods 41 are in communication connection with the PLC 50.

Each braking assembly 42 comprises a guide slide 421 fixedly connected with the electric telescopic rod 41, two slides 423, two springs 425, a rolling guide wheel 427 and a braking block 429. The guide sliding block 421 is provided with a guide groove 422 matched with the car guide rail 111, a rolling groove 424 communicated with the guide groove 422, and a sliding groove 426 communicated with the rolling groove 424 and positioned at the left side and the right side of the rolling groove 424, the sliding block 423 is slidably arranged in the sliding groove 426, a spring 425 is fixedly connected between the sliding block 423 and the inner wall of the sliding groove 426, the two sliding blocks 423 are bilaterally symmetrical, a rolling guide wheel 427 is arranged in the rolling groove 424 and rotatably arranged between the two sliding blocks 423, and a brake block 429 is fixedly arranged on the inner wall of one side of the rolling groove 424 away from the guide groove 422. When the electric telescopic rod 41 pushes the guide slide block 421 towards the car guide rail 111, the rolling guide wheel 427 abuts against the car guide rail 111, then the slide block 423 drives the rolling guide wheel 427 to move towards the spring 425 in the slide groove 426, the spring 425 is compressed, and the rolling guide wheel 427 abuts against the brake block 429 to brake the rolling guide wheel 427.

When the utility model is used, the driving wheel 21 can be driven to rotate through the rotation of the driving motor 22, the lift car 12 can be driven to lift through the traction rope 16, the pressure sensor 33 senses the weight information of the lift car 12 in real time and sends the weight information to the PLC 50 for processing and judgment, when the lift car 12 is overloaded, the PLC 50 triggers the loudspeaker 60, and the loudspeaker 60 gives an alarm to remind passengers that the lift car 12 is overloaded; when the traction rope 16 is broken, the pressure value sensed by the pressure sensor 33 is zero, and the PLC controller 50 immediately controls the electric telescopic rod 41 to extend to push the guide block 421 towards the car guide rail 111, so that the rolling guide wheel 427 is simultaneously abutted against the car guide rail 111 and the brake block 429, thereby realizing emergency braking of the car 12; meanwhile, the PLC 50 can give alarm information to the PC end of the property through a communication network, can timely remind property personnel of coming rescue and elevator maintenance, and triggers the loudspeaker 60, and the loudspeaker 60 gives an alarm to remind people nearby of elevator failure.

The elevator detection and braking device of the utility model can alarm in time when the car 12 is overloaded through the pressure sensor 33, so as to prevent the occurrence of overload potential safety hazard; when the traction rope 16 is broken, the pressure sensor 33 can detect in time, and the car 12 is emergently braked by the braking mechanism 40 and gives an alarm in time, so that the safety of passengers is protected.

The above descriptions of the embodiments of the present invention that are not related to the present invention are well known in the art, and can be implemented by referring to the well-known technologies.

In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an elevator detects and arresting gear which characterized in that: the elevator car comprises a frame, a driving mechanism, a detection mechanism and a PLC (programmable logic controller) which are arranged inside a building wall, wherein an elevator shaft is arranged inside the frame, a car and a balancing weight are arranged in the elevator shaft, two car guide rails are fixedly arranged on the inner walls of the front side and the rear side of the elevator shaft respectively, the car is arranged between the two car guide rails, and the PLC is fixedly arranged inside the frame; the top of the frame is provided with a detection chamber, the detection mechanism comprises two pressure sensors arranged in the detection chamber, the two pressure sensors are in communication connection with the PLC, and the pressure sensors are used for sensing the weight information of the lift car in real time; arrestment mechanism is including fixed setting up in two electric telescopic handle of the relative both sides in car bottom and setting up in the braking subassembly of every electric telescopic handle one end, electric telescopic handle and PLC controller communication connection, every braking subassembly includes and is connected fixed guide block with electric telescopic handle, two sliders, two springs, roll guide pulley and brake block, guide block is equipped with the guide slot with car guide rail complex, the roll groove that is linked together with the guide slot reaches and just is located the spout of the roll groove left and right sides with the roll groove intercommunication, slider slidable sets up in the spout, fixedly connected with spring between slider and the spout inner wall, two slider bilateral symmetry, the roll guide pulley is located the roll inslot and rotatable setting between two sliders, the brake block is fixed to be set up in the one side inner wall that the guide slot is kept away from to the roll groove.

2. The elevator detection and braking device according to claim 1, wherein: still include actuating mechanism, the frame top is equipped with the drive chamber, and actuating mechanism is including rotationally locating the drive wheel in the drive chamber and fixed the driving motor who sets up in the drive chamber inner wall, and the drive wheel is connected with driving motor's output shaft.

3. The elevator detection and braking device of claim 2, wherein: detection mechanism is still including rotationally locating range finding wheel and the encoder in the drive chamber, and range finding wheel and PLC controller communication connection, range finding wheel are located drive wheel and driving motor left side and be connected with the encoder.

4. The elevator detection and braking device of claim 3, wherein: the fixed two sets of first hanging wheels that are provided with in car top, the fixed second hanging wheel that is provided with in balancing weight top, a connecting plate are arranged in this and are detected indoorly, and two pressure sensors support and locate connecting plate bottom both ends department, around being equipped with the haulage rope between the second hanging wheel on first hanging wheel on the car, range finding wheel, drive wheel and the balancing weight, haulage rope one end is connected fixedly with the connecting plate that detects indoorly, and the other end is connected and is fixed in the frame position department directly over the second hanging wheel.

5. The elevator detection and braking device of claim 1, wherein: the top of the inner side of the car is provided with a loudspeaker which is in communication connection with the PLC.