Sliding type traction sheave locking structure
By setting a hard alloy wear-resistant layer on the surface of the locking seat and using a servo motor to drive the locking seat to move closer, the wear problem of the sliding traction wheel locking structure is solved, extending the service life and improving the safety and convenience of elevator operation and maintenance.
Patent Information
- Application Number
- CN202520709626.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-15
AI Technical Summary
In existing sliding traction sheave locking structures, the locking components are prone to wear when the traction rope is braked at high speed, resulting in a decrease in locking effect and requiring frequent replacement.
A wear-resistant layer of hard alloy material is set on the surface of the locking seat, and the locking seat is moved closer together by a bidirectional screw driven by a servo motor. Combined with the slider and slide bar structure, the stability and wear resistance of the locking seat are improved.
It extends the service life of the locking components, reduces wear, and improves the safety and ease of maintenance of the elevator.
Smart Images

Figure CN223950542U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a traction sheave technical field especially relates to a sliding type traction sheave locking structure. BACKGROUND
[0002] The traction sheave is a vital mechanical component in the elevator system, mainly functions through the friction of the steel wire rope to drive the elevator car and the counterweight device to move up and down, which is located in the elevator machine room, usually driven by the motor, and the power is transmitted to the traction sheave through the speed reducer, and the design and performance of the traction sheave directly affect the safety, stability and operating efficiency of the elevator.
[0003] The sliding type traction sheave locking structure is a key component used in the elevator or similar lifting equipment, mainly functions to ensure that the traction sheave can be stably fixed during operation, and can be conveniently installed, disassembled and adjusted when needed, and this structure is widely used in modern elevator systems to improve the safety and maintenance convenience of the equipment.
[0004] The existing sliding type traction sheave locking structure has the following disadvantages:
[0005] Since the friction between the traction sheave and the steel wire rope is the key to the operation of the elevator, in the prior art, the high-speed moving traction rope will cause great wear to the locking piece (such as the abutting block) when it is braked, and with the passage of time, it may cause the locking effect to decrease, and the locking piece needs to be frequently replaced. INVENTION CONTENTS
[0006] The locking piece surface of the utility model is provided with a wear-resistant layer of hard alloy material, which can effectively resist the friction and wear caused by the traction rope during braking, greatly prolonging the service life of the locking piece to solve the problems raised in the above background technology.
[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: a sliding type traction sheave locking structure, comprising a whole mechanism, the bottom of the whole mechanism is provided with a supporting mechanism; the whole mechanism comprises a fixed plate, a double-way screw rod is movably inserted into the inner wall of the fixed plate, a group of sliding blocks are threadedly penetrated on the outer wall of the double-way screw rod, a group of locking seats are fixedly connected to the bottom of the sliding blocks, wear-resistant layers are fixedly connected to the inner walls of the locking seats, a group of limiting rods are fixedly connected to the opposite side of the two fixed plates, a servo motor is fixedly installed on the outer wall of one of the fixed plates, a group of cylinders are fixedly connected to the outer wall of the fixed plate, a group of connecting rods are slidably connected to the inner wall of the cylinder, through the above components, the overall wear resistance can be improved, the impact and wear of the locking seat can be reduced, so that the subsequent normal use can be ensured.
[0008] Preferably, the outer wall of the limiting rod is in sliding connection with the inner wall of the sliding block, and the output end of the servo motor is fixedly connected with one end of the bidirectional screw rod, so that the bidirectional screw rod can normally rotate, and the two locking seats can normally approach each other.
[0009] Preferably, the outer wall of one of the fixing plates is fixedly provided with a PLC controller, and a plurality of threaded holes are formed in the outer wall of the fixing plate, and the PLC controller is electrically connected with components, so as to control the opening and closing.
[0010] Preferably, the inner wall of the cylinder is fixedly connected with a plurality of sliding rods, the outer wall of the sliding rod is sleeved with a plurality of compression springs, and the outer wall of the connecting rod is fixedly connected with the outer wall of the locking seat, so that the stability of the locking seat during horizontal movement can be improved.
[0011] Preferably, one end of the compression spring is fixedly connected with the outer wall of the connecting rod, and the other end of the compression spring is fixedly connected with the inner wall of the cylinder, so that the two ends of the compression spring are connected, and subsequent normal use is ensured.
[0012] Preferably, the support mechanism comprises a base, the top of the base is slidably connected with a mounting plate, the inner wall of the mounting plate movably inserts a traction wheel body, the inner wall of the traction wheel body is provided with a plurality of rope grooves, the inner wall of the mounting plate movably inserts a speed measuring wheel, and the top of the base is provided with a plurality of openings, and the speed measuring wheel can be used to monitor the running speed of the traction rope in real time.
[0013] Preferably, the outer wall of the mounting plate is provided with a first bolt in threaded penetration, the top of the base is provided with a plurality of clamping grooves, the outer wall of the base is provided with a second bolt in threaded penetration, the inner wall of the clamping groove is slidably connected with the outer wall of the fixing plate, and the outer wall of the second bolt is threadedly connected with the inner wall of the threaded hole, so that the user can disassemble and assemble the mounting plate, so as to maintain and repair the components thereon, and the user can disassemble and assemble the fixing plate through the second bolt and the clamping groove, so that the disassembling and assembling process is relatively simple, and a large amount of time is not spent during each disassembling and assembling.
[0014] Compared with the prior art, the utility model has the advantages and positive effects that,
[0015] 1、The utility model discloses a synchronous drive two locking seats to approach each other or move reversely through the setting servo motor, bidirectional screw rod and sliding block, when the two locking seats approach each other, can contact with the traction rope on the traction wheel body, once contact can brake the traction rope, make it extrude to the inner wall of rope groove, simultaneously, the locking piece surface is equipped with the wear -resisting layer of hard alloy material, this wear -resisting layer can effectively resist the friction wear -and -tear of traction rope when braking, greatly prolongs the service life of locking piece.
[0016] 2、The utility model discloses when the locking seat is in translation, its sliding block can slide on the limiting rod, and the connecting rod stress can slide in the cylinder, and under the cooperation of the slide rod and compression spring, the stability of the locking seat when translation can be improved, so that it can normally brake the traction wheel on the traction wheel body, through the setting of the clamping groove and second bolt, the user is convenient to the integral mechanism dismouting, so as to maintain the component. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 A front view structure perspective view of a sliding type traction wheel locking structure is provided for the utility model;
[0018] Figure 2 A support mechanism connected structure enlarged perspective view of a sliding type traction wheel locking structure is provided for the utility model;
[0019] Figure 3 A fixed plate connected structure enlarged perspective view of a sliding type traction wheel locking structure is provided for the utility model;
[0020] Figure 4 A slide rod connected structure enlarged perspective view of a sliding type traction wheel locking structure is provided for the utility model.
[0021] Legend 1, integral mechanism;101, fixed plate;102, PLC controller;103, servo motor;104, limiting rod;105, sliding block;106, two-way screw;107, locking seat;108, cylinder;109, threaded hole;110, wear-resistant layer;111, slide rod;112, compression spring;113, connecting rod;2, support mechanism;201, base;202, clamping groove;203, traction wheel body;204, rope groove;205, first bolt;206, opening;207, second bolt;208, speed measuring wheel;209, mounting plate. DETAILED DESCRIPTION
[0022] In order to more clearly understand the above purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the drawings and examples. It should be explained that the embodiments and the features in the embodiments of the present application can be combined with each other without conflict.
[0023] In the following description, a lot of specific details are set forth in order to facilitate a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description herein, therefore, the utility model is not limited to the specific embodiments disclosed in the following disclosure.
[0024] Please refer to Figures 1-4The utility model provides a technical scheme: a sliding type traction sheave locking structure, including whole mechanism 1, the bottom of whole mechanism 1 is provided with support mechanism 2, whole mechanism 1 includes fixed plate 101, the inner wall movable insertion of fixed plate 101 is equipped with two -way screw rod 106, the outer wall of two -way screw rod 106 is equipped with a group of sliding block 105 in screw thread, the bottom fixed connection of sliding block 105 is equipped with a group of locking seat 107, the inner wall of locking seat 107 is all fixedly connected with wear -resisting layer 110, the opposite side of two fixed plate 101 is fixedly connected with a group of limit rod 104, the outer wall of one of fixed plate 101 is fixedly installed with servo motor 103, the outer wall fixed connection of fixed plate 101 is equipped with a group of cylinder 108, the inner wall sliding connection of cylinder 108 is equipped with a group of connecting rod 113, through above-mentioned component, can improve the wear resistance of whole, reduce the impact wear of locking seat 107, to ensure that subsequent normal use.
[0025] As Figure 1 and Figure 3 Limit rod 104's outer wall and the inner wall sliding connection of sliding block 105, the output end of servo motor 103 and two -way screw rod 106 one end fixed connection, realize two -way screw rod 106 normal rotation, make two locking seat 107 can normally be mutually close.
[0026] As Figure 1 and Figure 3 The outer wall of one of fixed plate 101 is fixedly installed with PLC controller 102, and a group of threaded holes 109 are formed in the outer wall of fixed plate 101, and the PLC controller 102 is electrically connected with the components, so as to control the opening and closing.
[0027] As Figure 1 and Figure 4 The inner wall of cylinder 108 is fixedly connected with a group of sliding rods 111, the outer wall of sliding rod 111 is sleeved with a group of compression springs 112, the outer wall of connecting rod 113 is fixedly connected with the outer wall of locking seat 107, and the sliding rod 111, the connecting rod 113 and the compression spring 112 are arranged, so that the stability of the locking seat 107 during horizontal movement can be improved.
[0028] As Figure 4 The one end of compression spring 112 is fixedly connected with the outer wall of connecting rod 113, and the other end of compression spring 112 is fixedly connected with the inner wall of cylinder 108, so that the two ends of the compression spring 112 are connected, and the subsequent normal use is ensured.
[0029] As Figure 1 and Figure 2As shown, the support mechanism 2 comprises a base 201, the top of the base 201 is slidingly connected with a mounting plate 209, the inner wall of the mounting plate 209 movably inserts a traction wheel body 203, the inner wall of the traction wheel body 203 is provided with a rope groove 204, the inner wall of the mounting plate 209 movably inserts a speed measuring wheel 208, the top of the base 201 is provided with a group of openings 206, and the speed measuring wheel 208 can be used to monitor the running speed of the traction rope in real time.
[0030] As shown in the Figure 2 The outer wall of the mounting plate 209 is provided with a first bolt 205, the top of the base 201 is provided with a group of clamping grooves 202, the outer wall of the base 201 is provided with a second bolt 207, the inner wall of the clamping groove 202 is slidingly connected with the outer wall of the fixing plate 101, the outer wall of the second bolt 207 is threadedly connected with the inner wall of the threaded hole 109, the first bolt 205 is arranged, which facilitates the user to disassemble and assemble the mounting plate 209, so as to maintain and overhaul the components thereon, and the second bolt 207 and the clamping groove 202 are arranged, which facilitates the user to disassemble and assemble the fixing plate 101, and the disassembly and assembly process is relatively simple, so that a lot of time is not wasted during each disassembly and assembly.
[0031] The working principle and method of the device: when in use, the operator first aligns the clamping groove 202 on the fixing plate 101 and the base 201, and then puts the fixing plate 101 into the clamping groove 202, and then screws the second bolt 207 into the threaded hole 109, which completes the connection between the fixing plate 101 and the base 201. When the speed measuring wheel 208 detects that the running speed of the traction rope is too fast, the PLC controller 102 sends a control signal to start the servo motor 103, so that the bidirectional screw rod 106 can rotate, and the sliding block 105 connected therewith slides on the limiting rod 104, and the locking seat 107 is driven to move, so that the two locking seats 107 can approach each other, and when they approach the appropriate position, they can contact the traction rope on the traction wheel body 203, so that the traction rope can be braked and pressed against the inner wall of the rope groove 204. At the same time, the inner wall of the locking seat 107 is provided with a wear-resistant layer 110 made of hard alloy material, which can effectively resist the friction damage of the traction rope during braking, thereby prolonging the service life of the locking seat 107. When the locking seat 107 moves, the connecting rod 113 can slide in the cylinder 108, the sliding rod 111 and the compression spring 112 change their state under stress, and the setting of the plurality of parts can improve the stability of the locking seat 107 during movement.
[0032] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.
Claims
1. A sliding traction sheave locking structure characterized by, Including the whole mechanism (1), the bottom of the whole mechanism (1) is provided with a supporting mechanism (2); The whole mechanism (1) includes a fixed plate (101), the inner wall of the fixed plate (101) movably inserts a bidirectional screw (106), the outer wall of the bidirectional screw (106) is threaded and penetrates a group of sliding blocks (105), the bottom of the sliding block (105) is fixedly connected with a group of locking seats (107), the inner wall of the locking seat (107) is fixedly connected with a wear-resistant layer (110), the opposite side of the two fixed plates (101) is fixedly connected with a group of limiting rods (104), the outer wall of one of the fixed plates (101) is fixedly installed with a servo motor (103), the outer wall of the fixed plate (101) is fixedly connected with a group of cylinders (108), the inner wall of the cylinder (108) is slidably connected with a group of connecting rods (113).
2. The sliding traction sheave locking structure of claim 1, wherein: The outer wall of the limiting rod (104) is slidably connected with the inner wall of the sliding block (105), and the output end of the servo motor (103) is fixedly connected with one end of the bidirectional screw (106).
3. The sliding traction sheave locking structure of claim 1, wherein: The outer wall of one of the fixed plates (101) is fixedly installed with a PLC controller (102), and a group of threaded holes (109) are formed in the outer wall of the fixed plate (101).
4. The sliding traction sheave locking structure of claim 1 wherein: The inner wall of the cylinder (108) is fixedly connected with a group of sliding rods (111), the outer wall of the sliding rod (111) is sleeved with a group of compression springs (112), and the outer wall of the connecting rod (113) is fixedly connected with the outer wall of the locking seat (107).
5. The sliding traction sheave locking structure of claim 4, wherein: One end of the compression spring (112) is fixedly connected with the outer wall of the connecting rod (113), and the other end of the compression spring (112) is fixedly connected with the inner wall of the cylinder (108).
6. The sliding traction sheave locking structure of claim 1, wherein: The supporting mechanism (2) includes a base (201), the top of the base (201) is slidably connected with a mounting plate (209), the inner wall of the mounting plate (209) movably inserts a traction wheel body (203), the inner wall of the traction wheel body (203) is provided with a rope groove (204), the inner wall of the mounting plate (209) movably inserts a speed measuring wheel (208), and the top of the base (201) is provided with a plurality of openings (206).
7. The sliding traction sheave locking structure of claim 6 wherein: The outer wall of the mounting plate (209) is threaded and penetrates a first bolt (205), the top of the base (201) is provided with a plurality of clamping grooves (202), the outer wall of the base (201) is threaded and penetrates a second bolt (207), the inner wall of the clamping groove (202) is slidably connected with the outer wall of the fixed plate (101), and the outer wall of the second bolt (207) is threadedly connected with the inner wall of the threaded hole (109).