CN215207914U

CN215207914U - Remote brake releasing device for elevator

Info

Publication number: CN215207914U
Application number: CN202120719618.9U
Authority: CN
Inventors: 禹世源
Original assignee: Suzhou Emk Electronics Co ltd
Current assignee: Suzhou Emk Electronics Co ltd
Priority date: 2021-04-09
Filing date: 2021-04-09
Publication date: 2021-12-17
Anticipated expiration: 2031-04-09

Abstract

The utility model discloses an elevator remote brake release device, which comprises a bottom plate and a brake release mechanism; a bottom plate: a support table is arranged at the front end of the middle part of the upper surface of the traction wheel disc, a traction motor is arranged on the upper surface of the support table, the rear end of an output shaft of the traction motor is fixedly connected with a rotating shaft at the center of the front end surface of the brake wheel disc through a coupler, trapezoidal support plates are symmetrically arranged at the rear end of the middle part of the upper surface of the bottom plate, a traction wheel is rotatably connected between the two trapezoidal support plates through a bearing, and the rotating shaft at the front end of the traction wheel is fixedly connected with the rotating shaft at the center of the rear end surface of the brake wheel disc through the coupler; a brake releasing mechanism: the brake wheel disc is arranged in the middle of the upper surface of the bottom plate and is positioned in the brake release mechanism; wherein: the upper surface of bottom plate is equipped with the PLC controller, and external power source is connected to the input electricity of PLC controller, and this long-range brake release device of elevator realizes the long-range brake release of equipment and the high-efficient control of the release dynamics, provides safer, more high-efficient, more convenient rescue for the inside stranded personnel of elevator.

Description

Remote brake releasing device for elevator

Technical Field

The utility model relates to an elevator technical field specifically is a long-range brake release device of elevator.

Background

Along with the increase of population and the development of society, high-rise building has become the universal building, it is corresponding, high-rise building all is equipped with the elevator, and because of the safety consideration, the elevator all installs the trip gear, when the elevator breaks down suddenly and there is stranded personnel in the elevator, need pass through the trip gear and open the brake to the elevator, make the elevator go up swift current or slide down to the flat bed position, rescue personnel open the chamber door again and implement the rescue to stranded personnel, elevator trip gear among the prior art, mostly all through manual control, have many weak points, can not carry out remote control to elevator trip gear, to the power control effect of opening the brake relatively poor, can not provide safer, more high-efficient, more convenient rescue for stranded personnel in the elevator, consequently, the realization that can solve the long-range trip gear of elevator of this kind of problem is imperative.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a long-range brake release device of elevator, realize the long-range brake release of equipment and the high efficiency control of the dynamics of separating brake, for the inside stranded personnel of elevator provide safer, more high-efficient, more convenient rescue, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a remote brake release device of an elevator comprises a bottom plate and a brake release mechanism;

a bottom plate: a support table is arranged at the front end of the middle part of the upper surface of the traction wheel disc, a traction motor is arranged on the upper surface of the support table, the rear end of an output shaft of the traction motor is fixedly connected with a rotating shaft at the center of the front end surface of the brake wheel disc through a coupler, trapezoidal support plates are symmetrically arranged at the rear end of the middle part of the upper surface of the bottom plate, a traction wheel is rotatably connected between the two trapezoidal support plates through a bearing, and the rotating shaft at the front end of the traction wheel is fixedly connected with the rotating shaft at the center of the rear end surface of the brake wheel disc through the coupler;

a brake releasing mechanism: the brake wheel disc is arranged in the middle of the upper surface of the bottom plate and is positioned in the brake release mechanism;

wherein: the upper surface of bottom plate is equipped with the PLC controller, and external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to traction motor's input electricity, realizes the long-range floodgate that loosens of equipment and the high-efficient control of the dynamics of loosing the floodgate, provides safer, more high-efficient, more convenient rescue for the inside stranded personnel of elevator.

Further, the mechanism of loosing the floodgate includes vertical board, lead screw, spout, outer splint and the motor of loosing the floodgate, vertical board symmetry sets up in the upper surface middle part of bottom plate, the vertical board left surface upper end of left end is equipped with the motor of loosing the floodgate, it is connected with the lead screw to rotate through the bearing between two vertical board upper ends, the screw thread opposite direction at lead screw both ends, the left end of lead screw and the output shaft right-hand member fixed connection who loosens the floodgate motor, the spout sets up in the upper surface middle part of bottom plate, the inside sliding connection of spout has two outer splints, two outer splint position symmetry, the upper end of two outer splints all with lead screw threaded connection, the output of PLC controller is connected to the input electricity of the motor of loosing the floodgate, provide the drive for equipment braking and the floodgate that loosens.

Further, the mechanism that declutches still includes spacing plectane, inner splint, brake shoe, cylinder and spring, the equal sliding connection of inner splint in the inside of spout, two inner splints of position symmetry are located between two outer splints, the lead screw passes the round hole of two inner splint upper ends, the relative medial surface of two inner splints all is equipped with the brake shoe, the braked wheel dish is located the inside of two brake shoes, the back of the body of two inner splints all is equipped with the cylinder from the lateral surface middle part, the intraductal cambered surface sliding connection of corresponding outer splint middle part round hole of cylindrical extrados and homonymy, cylindrical outer terminal surface all is equipped with spacing plectane, realize the control of declutching dynamics, stranded personnel provide safer, more high-efficient, more convenient rescue for the elevator is inside.

Further, still include range sensor, range sensor sets up in the outer splint right flank middle part of left end, and PLC controller's input is connected to range sensor's output electricity, is convenient for pinpoint the distance between the outer splint of left end and the interior splint of left end.

Furthermore, the upper surface of bottom plate is equipped with the GPRS module, and the GPRS module is connected with the two-way electricity of PLC controller, realizes the long-range floodgate that loosens of equipment.

Compared with the prior art, the beneficial effects of the utility model are that: this long-range trip gear of elevator has following benefit:

when the elevator is in fault or needs emergency braking for maintenance, the brake releasing motor operates through the regulation and control of the PLC controller, the output shaft rotates to drive the screw rod to rotate, the screw rod rotates to drive the two outer clamping plates to move oppositely along the sliding groove, meanwhile, the outer clamping plates compress the springs along the cylinders corresponding to the same side, the two springs are respectively pushed by the elastic force generated by the compression to move inwards along the sliding groove, the two inner clamping plates move oppositely to drive the two brake shoes to contact with the brake wheel disc, when the two springs are in a completely compressed state, the two brake shoes lock the brake wheel disc, the GPRS module can receive an instruction of an external terminal under the support of a wireless network and transmit information to the PLC controller, then the brake releasing motor operates reversely through the regulation and control of the PLC controller, the output shaft rotates reversely to drive the screw rod to rotate reversely, the screw rod rotates reversely to drive the two outer clamping plates to move oppositely along the sliding groove, the distance measuring sensor can sense the distance between the distance measuring sensor and the left side surface of the left end inner clamping plate, information is presented to the PLC controller for integrated analysis, when the distance between the right side surface of the left end outer clamping plate and the left side surface of the left end inner clamping plate reaches a specified value, the PLC controller regulates and controls the brake releasing motor to stop running, at the moment, the pressure applied by the two outer clamping plates to the two inner clamping plates through the springs changes, and further the pressure between the two brake shoes and the brake wheel disc changes, so that the locking of the two brake shoes to the brake wheel disc is relieved, a certain brake force is kept on the brake wheel disc by the two brake shoes, the efficient control of the remote brake releasing and brake releasing force of the equipment is realized, the moving speed of the elevator car is controlled, the elevator is regulated to the flat height, then the two brake shoes are regulated to lock the brake wheel disc, and safer, more efficient and more convenient rescue is provided for trapped people inside the elevator, the elevator resumes normal operation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the rear view of the structure of the present invention.

In the figure: the device comprises a base plate 1, a PLC 2, a GPRS 3 module, a supporting table 4, a traction motor 5, a brake wheel disc 6, a brake release mechanism 7, a vertical plate 701, a position-limiting circular plate 702, a screw rod 703, an inner clamping plate 704, a brake shoe 705, a sliding groove 706, a cylinder 707, a spring 708, an outer clamping plate 709, a brake release motor 710, a trapezoidal supporting plate 8, a traction wheel 9 and a distance measuring sensor 10.

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, the present invention provides a technical solution: a remote brake release device of an elevator comprises a bottom plate 1 and a brake release mechanism 7;

bottom plate 1: a support table 4 is arranged at the front end of the middle part of the upper surface of the elevator, a traction motor 5 is arranged on the upper surface of the support table 4, the rear end of an output shaft of the traction motor 5 is fixedly connected with a rotating shaft at the center of the front end surface of a brake wheel disc 6 through a coupler, trapezoidal support plates 8 are symmetrically arranged at the rear end of the middle part of the upper surface of a bottom plate 1, a traction wheel 9 is rotatably connected between the two trapezoidal support plates 8 through a bearing, the rotating shaft at the front end of the traction wheel 9 is fixedly connected with the rotating shaft at the center of the rear end surface of the brake wheel disc 6 through the coupler, the traction motor 5 operates through the regulation and control of a PLC (programmable logic controller) 2, the output shaft rotates, the traction wheel 9 is driven to rotate through the brake wheel disc 6, so that the elevator normally operates, the support table 4 provides mounting support for the traction motor 5, and the two trapezoidal support plates 8 provide rotating support for the traction wheel 9;

and a brake release mechanism 7: the brake wheel disc 6 is arranged in the middle of the upper surface of the bottom plate 1, the brake wheel disc 7 is located inside the brake release mechanism 7, the brake release mechanism 7 comprises a vertical plate 701, a screw rod 703, a sliding groove 706, outer clamping plates 709 and a brake release motor 710, the vertical plate 701 is symmetrically arranged in the middle of the upper surface of the bottom plate 1, the brake release motor 710 is arranged at the upper end of the left side surface of the vertical plate 701 at the left end, the screw rod 703 is rotatably connected between the upper ends of the two vertical plates 701 through a bearing, the thread directions of the two ends of the screw rod 703 are opposite, the left end of the screw rod 703 is fixedly connected with the right end of an output shaft of the brake release motor 710, the sliding groove 706 is arranged in the middle of the upper surface of the bottom plate 1, the inner part of the sliding groove 706 is connected with the two outer clamping plates 709, the two outer clamping plates 709 are symmetrically arranged, the upper ends of the two outer clamping plates 709 are both in threaded connection with the screw rod 703, the input end of the brake release motor 710 is electrically connected with the output end of the PLC controller 2, the brake release mechanism 7 further comprises a limiting circular plate 702, The brake device comprises inner clamping plates 704, brake shoes 705, cylinders 707 and springs 708, wherein the inner clamping plates 704 are all connected inside a sliding groove 706 in a sliding manner, two inner clamping plates 704 with symmetrical positions are located between two outer clamping plates 709, a screw rod 703 penetrates through circular holes at the upper ends of the two inner clamping plates 704, the brake shoes 705 are arranged on the opposite inner sides of the two inner clamping plates 704, a brake wheel disc 6 is located inside the two brake shoes 705, the cylinders 707 are arranged in the middle of the outer sides of the two inner clamping plates 704, which are opposite to each other, the outer arc surfaces of the cylinders 707 are in sliding connection with the inner arc surfaces of the circular holes in the middle of the outer clamping plates 709, which correspond to the same side, limiting circular plates 702 are arranged on the outer end surfaces of the cylinders 707, the vertical plates 701 provide mounting support for the brake release motor 710 and the screw rod 703, when an elevator is in failure or needs emergency braking due to maintenance, the brake release motor 710 is operated under the regulation and the control of a PLC 2, an output shaft rotates to drive the screw rod 703 to rotate, the two outer clamping plates 709 move along the sliding groove 706 in the opposite direction, meanwhile, the outer clamping plates 709 compress the springs 708 along the corresponding cylinders 707 on the same side, the two springs 708 are respectively pushed by the elastic force generated by the compression to move the corresponding inner clamping plates 704 inwards along the sliding grooves 706, the two inner clamping plates 704 move oppositely to drive the two brake shoes 705 to contact with the brake wheel disc 6, when the two springs 708 are in a completely compressed state, the two brake shoes 705 lock the brake wheel disc 6, then the brake release motor 710 operates reversely through the regulation and control of the PLC controller 2, the output shaft rotates reversely to drive the screw rod 703 to rotate reversely, the screw rod 703 rotates reversely to drive the two outer clamping plates 709 to move away from each other along the sliding grooves 706, when the distance between the right side surface of the outer clamping plate 709 at the left end and the left side surface of the inner clamping plate 704 at the left end reaches a specified value, the PLC controller 2 regulates the brake release motor 710 to stop operating, at this time, the pressure applied by the two outer clamping plates 709 to the two inner clamping plates 704 through the springs 708 changes, and further the pressure between the two brake shoes 705 and the brake wheel disc 6 changes, thereby releasing the locking of the two brake shoes 705 to the brake wheel disc 6 and keeping a certain brake capacity of the two brake shoes 705 to the brake wheel disc 6, realizing the control of brake release force, controlling the moving speed of the elevator car, adjusting the elevator to the flat-bed height, then the two brake shoes 705 are adjusted to lock the brake wheel disc 6, which provides safer, more efficient and more convenient rescue for the trapped people in the elevator, when the elevator returns to normal operation, the PLC controller 2 regulates and controls the brake-releasing motor 710 to reversely rotate, the output shaft reversely rotates to drive the screw rod 703 to reversely rotate, the screw rod 703 reversely rotates to drive the two outer clamping plates 709 to oppositely move along the sliding groove 706, the outer clamping plates 709 are contacted with the corresponding limiting circular plates 702 on the same side, the two shoes 705 are separated from the headblock 6 by passing through the cylinder 707 and the inner clamping plate 704 in sequence;

wherein: the upper surface of bottom plate 1 is equipped with PLC controller 2, and external power source is connected to PLC controller 2's input electricity, and PLC controller 2's output is connected to the input electricity of hauling motor 5.

Wherein: still include range sensor 10, range sensor 10 sets up in the outer splint 709 right flank middle part of left end, and PLC controller 2's input is connected to range sensor 10's output electricity, and range sensor 10 can respond to its and the interior splint 704 left surface's of left end distance to present information and give PLC controller 2 integration analysis, thereby carry out pinpointing to the distance between the outer splint 709 of left end and the interior splint 704 of left end.

Wherein: the upper surface of bottom plate 1 is equipped with GPRS module 3, and GPRS module 3 is connected with 2 two-way electricity of PLC controller, and GPRS module 3 can receive external terminal's instruction under wireless network's support to present information for PLC controller 2, regulate and control equipment operation through the PLC controller again, realize the remote control of equipment.

When in use: when the elevator is in failure or needs emergency braking for maintenance, the PLC controller 2 controls the brake releasing motor 710 to operate, the output shaft rotates to drive the screw rod 703 to rotate, the screw rod 703 rotates to drive the two outer clamping plates 709 to move oppositely along the sliding groove 706, meanwhile, the outer clamping plates 709 compress the springs 708 along the corresponding cylinders 707 on the same side, the two springs 708 are compressed to generate elastic force to respectively push the corresponding inner clamping plates 704 to move inwards along the sliding groove 706, the two inner clamping plates 704 move oppositely to drive the two brake shoes 705 to contact with the brake wheel disc 6, when the two springs 708 are in a fully compressed state, the two brake shoes 705 lock the brake wheel disc 6, the GPRS module 3 can receive an instruction of an external terminal under the support of a wireless network, and present the information to the PLC controller 2, then through the regulation and control of the PLC controller 2, the brake-releasing motor 710 reversely rotates, the output shaft reversely rotates to drive the screw rod 703 to reversely rotate, the screw rod 703 reversely rotates to drive the two outer splints 709 to move along the sliding groove 706 away from each other, the distance measuring sensor 10 can sense the distance between the distance measuring sensor and the left side surface of the inner splint 704 at the left end, and present the information to the PLC controller 2 for integration and analysis, when the distance between the right side surface of the outer splint 709 at the left end and the left side surface of the inner splint 704 at the left end reaches a specified value, the PLC controller 2 regulates and controls the brake-releasing motor 710 to stop operating, at this time, the pressure applied by the two outer splints 709 to the two inner splints 704 through the spring 708 changes, and further the pressure between the two brake shoes 705 and the brake wheel 6 changes, thereby relieving the two brake shoes 705 from locking to the brake wheel 6 and keeping a certain holding force of the two brake wheels 705 to the brake wheel 6, realize the long-range high-efficient control of the power of separating brake and the power of separating brake of equipment, control elevator car's moving speed, adjust the elevator to the flat bed height, then two brake shoes 705 of readjustment will brake rim plate 6 lock, provide safelyr for the inside stranded personnel of elevator, it is more high-efficient, more convenient rescue, when the elevator resumes normal operating, PLC controller 2 regulation and control loose brake motor 710 reverse running, output shaft reverse rotation drives lead screw 703 reverse rotation, lead screw 703 reverse rotation drives two outer splint 709 and moves along spout 706 back to back of the body, outer splint 709 contacts with the spacing plectane 702 that the homonymy corresponds, make two brake shoes 705 and brake rim plate 6 separation through looping through cylinder 707 and inner splint 704.

It should be noted that the PLC controller 2 disclosed in this embodiment may be a wuxiteng drive machine controller of 200KHX1-M0806T-D type, the traction motor 5 may be a motor of YJ240B type, the trip motor 710 may be a motor of YZP series, the distance measuring sensor 10 may be a sharp GP2D12 infrared distance measuring sensor, and the PLC controller 2 may control the traction motor 5, the trip motor 710, and the distance measuring sensor 10 to operate according to methods commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a long-range trip gear of elevator which characterized in that: comprises a bottom plate (1) and a brake releasing mechanism (7);

base plate (1): a support table (4) is arranged at the front end of the middle part of the upper surface of the support table (4), a traction motor (5) is arranged on the upper surface of the support table (4), the rear end of an output shaft of the traction motor (5) is fixedly connected with a rotating shaft at the center of the front end surface of a brake wheel disc (6) through a coupler, trapezoidal support plates (8) are symmetrically arranged at the rear end of the middle part of the upper surface of a bottom plate (1), a traction wheel (9) is rotatably connected between the two trapezoidal support plates (8) through a bearing, and the rotating shaft at the front end of the traction wheel (9) is fixedly connected with the rotating shaft at the center of the rear end surface of the brake wheel disc (6) through the coupler;

brake release mechanism (7): the brake disc is arranged in the middle of the upper surface of the bottom plate (1), and the brake disc (6) is positioned inside the brake release mechanism (7);

wherein: the upper surface of bottom plate (1) is equipped with PLC controller (2), and external power source is connected to the input electricity of PLC controller (2), and the output of PLC controller (2) is connected to the input electricity of haulage motor (5).

2. The elevator remote brake release device according to claim 1, characterized in that: the brake release mechanism (7) comprises a vertical plate (701), a screw rod (703), a sliding chute (706), an outer clamping plate (709) and a brake release motor (710), vertical board (701) symmetry sets up in the upper surface middle part of bottom plate (1), vertical board (701) left surface upper end of left end is equipped with the motor (710) that declutches, it is connected with lead screw (703) to rotate through the bearing between two vertical board (701) upper ends, the screw thread opposite direction at lead screw (703) both ends, the left end of lead screw (703) and the output shaft right-hand member fixed connection who declutches motor (710), spout (706) set up in the upper surface middle part of bottom plate (1), the inside sliding connection of spout (706) has two outer splint (709), two outer splint (709) position symmetry, the upper end of two outer splint (709) all with lead screw (703) threaded connection, the output of PLC controller (2) is connected to the input electricity of declutching motor (710).

3. The elevator remote brake release device according to claim 2, characterized in that: brake release mechanism (7) still include spacing plectane (702), interior splint (704), brake shoe (705), cylinder (707) and spring (708), equal sliding connection in the inside of spout (706) in interior splint (704), two interior splint (704) of position symmetry are located between two outer splint (709), lead screw (703) pass the round hole of two interior splint (704) upper ends, the relative medial surface of two interior splint (704) all is equipped with brake shoe (705), braked wheel dish (6) are located the inside of two brake shoes (705), the back of the body lateral surface middle part of two interior splint (704) all is equipped with cylinder (707), the extrados of cylinder (707) and the corresponding outer splint (709) middle part round hole inner arc face sliding connection of homonymy, the outer terminal surface of cylinder (707) all is equipped with spacing plectane (702).

4. The elevator remote brake release device according to claim 2, characterized in that: still include range sensor (10), range sensor (10) set up in outer splint (709) right side middle part of left end, and the input of PLC controller (2) is connected to the output electricity of range sensor (10).

5. The elevator remote brake release device according to claim 1, characterized in that: the upper surface of bottom plate (1) is equipped with GPRS module (3), and GPRS module (3) are connected with PLC controller (2) two-way electricity.