CN219031410U

CN219031410U - Speed limiter for elevator

Info

Publication number: CN219031410U
Application number: CN202223565366.2U
Authority: CN
Inventors: 张翔
Original assignee: Jiangxi Degao Elevator Co ltd
Current assignee: Jiangxi Degao Elevator Co ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2023-05-16
Anticipated expiration: 2032-12-30

Abstract

The utility model discloses a speed limiter for an elevator, which comprises a mounting plate, wherein a tensioning wheel is mounted at one end of the mounting plate, connecting rods are arranged at two sides of the other end of the mounting plate, a counterweight plate is mounted on the surface of the connecting rods in a sliding manner, supporting tables are arranged on the surfaces of two sides of the counterweight plate, hanging rings are arranged at two ends of the counterweight plate, limiting structures are arranged on two sides of the supporting tables, a positioning structure is arranged at one end of each limiting structure, each limiting structure comprises a side plate and a limiting block, each limiting block is fixedly connected to two ends of each side plate, a connecting screw is arranged at one end of each limiting block, and is fixedly connected to the surface of each side plate.

Description

Speed limiter for elevator

Technical Field

The present utility model relates to the field of elevators, and more particularly to a speed limiter for an elevator.

Background

The problem of tensioning of elevator governor systems is a frequently encountered problem in elevator installation and use, how to ensure the normal functioning of the governor has been the direction of technological improvement when large hoisting heights, high accelerations or the elevator is running at an incline, and elevator manufacturers of various brands are working on the design of the tensioning structure of the governor system. In the safety arrangement of elevators, the overspeed governor-safety system is an extremely important safety component.

The authorized bulletin number CN216004837U discloses an elevator speed limiter assembly and an elevator, the elevator comprises a lift car, a main guide rail, safety tongs and the elevator speed limiter assembly, the elevator speed limiter assembly comprises an upper guide pulley support arranged in a lift well, an upper guide pulley arranged on the upper guide pulley support, a plurality of guide rail supports arranged in the lift well and parallel to the upper guide pulley support, a tensioning guide rail arranged on the guide rail support and parallel to the main guide rail, a frame connected on the tensioning guide rail in a sliding manner, a speed limiter arranged on the frame, a steel wire rope wound on rope wheels of the upper guide pulley and the speed limiter, and a safety tongs handle with one end fixed on the steel wire rope, wherein the safety tongs handle is in linkage with the safety tongs of the lift car. The balancing weight is arranged at the bottom of the well, the tensioning force is convenient to adjust, the tensioning force can be increased or reduced to adjust the tensioning force, the balancing weight is convenient and quick, the labor capacity of maintenance personnel can be reduced, and the maintenance efficiency is improved.

In the structure, when the counterweight is installed to carry out tensioning adjustment, the corresponding limiting structure and positioning structure are lacked, so that stable installation and positioning are not facilitated, the structural stability and safety are affected, and improvement is needed.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide the speed limiter for the elevator, which is characterized in that a counterweight plate is sleeved through connecting rods on two sides of a mounting plate, a supporting table and a hanging ring are combined, safe hoisting can be realized, a limiting structure and a positioning structure are combined, limiting can be realized, the movement is avoided, the mounting accuracy and stability are improved, and the structural safety is ensured.

In order to solve the problems, the utility model adopts the following technical scheme.

The speed limiter for the elevator comprises a mounting plate, wherein a tensioning wheel is mounted at one end of the mounting plate, connecting rods are arranged at two sides of the other end of the mounting plate, a counterweight plate is mounted on the surface of each connecting rod in a sliding manner, supporting tables are arranged on the surfaces of two sides of the counterweight plate, hanging rings are arranged at two ends of the counterweight plate, limiting structures are arranged on two sides of the supporting tables, and positioning structures are arranged at one ends of the limiting structures.

Further, limit structure includes curb plate and stopper, stopper fixed connection is in the both ends of curb plate.

Further, the one end of stopper is equipped with connecting screw, connecting screw fixed connection is in the surface of curb plate, connects the stopper through the curb plate, can the layering connect spacing, avoids horizontal float, safety and stability.

Further, the positioning structure comprises a positioning plate and a positioning screw, and the positioning plate is sleeved at one end of the connecting rod.

Further, one side of the locating plate is connected to one end of the side plate, and the locating screw is installed at one end of the connecting rod in a threaded mode.

Further, grooves are formed in the two ends of the positioning plate, and adjusting blocks are installed on the side faces of the grooves through threaded rods in a threaded mode.

Further, the one end of regulating block is connected in the one end of curb plate, the one end of threaded rod is equipped with rotates the wheel, connects the threaded rod through the locating plate, can follow the spacing installation of upper end, can adjust horizontal interval simultaneously, does benefit to accurate counterpoint, improves spacing stability.

Compared with the prior art, the utility model has the advantages that:

(1) This scheme cup joints the counter weight board through the connecting rod of mounting panel both sides, combines brace table and rings, can safe hoist and mount, combines limit structure and location structure, can make up spacingly, avoids the drunkenness, improves the accuracy and the stability of installation, guarantees the structural security.

(2) The limiting blocks are connected through the side plates, so that the limiting blocks can be connected in a layered mode, the transverse movement is avoided, and the safety and the stability are realized.

(3) The threaded rod is connected through the locating plate, so that the upper end can be installed in a limiting mode, meanwhile, the transverse distance can be adjusted, accurate alignment is facilitated, and the limiting stability is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a partial schematic view of a side panel connection of the present utility model;

FIG. 3 is a partial schematic view of a locating plate connection according to the present utility model.

The reference numerals in the figures illustrate:

the device comprises a mounting plate 1, a tensioning wheel 11, a connecting rod 12, a weight balancing plate 13, a supporting table 14, a lifting ring 15, a limiting structure 16, a side plate 2, a limiting block 21, a connecting screw 22, a positioning plate 23, a positioning screw 24, a groove 25, a threaded rod 26, an adjusting block 27 and a rotating wheel 28.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1

Referring to fig. 1 and 2, the speed limiter for the elevator comprises a mounting plate 1, wherein a tensioning wheel 11 is mounted at one end of the mounting plate 1, connecting rods 12 are arranged at two sides of the other end of the mounting plate 1, a counterweight plate 13 is mounted on the surface of the connecting rods 12 in a sliding manner, supporting tables 14 are arranged on the surfaces of two sides of the counterweight plate 13, hanging rings 15 are arranged at two ends of the counterweight plate 13, limiting structures 16 are arranged at two sides of the supporting tables 14, and a positioning structure 17 is arranged at one end of each limiting structure 16.

The limit structure 16 comprises a side plate 2 and a limit block 21, the limit block 21 is fixedly connected to two ends of the side plate 2, one end of the limit block 21 is provided with a connecting screw 22, the connecting screw 22 is fixedly connected to the surface of the side plate 2, the limit block is connected through the side plate, the limit block can be connected in a layered mode, transverse movement is avoided, safety and stability are achieved, the counterweight plate 13 can be lifted and sleeved on the connecting rod 12, limiting connection can be achieved, falling is avoided, finally, the limit block 2 and the limit block 21 are combined to limit from two sides, movement is avoided, stable connection is guaranteed, and accuracy and stability are improved.

Example 2

Referring to fig. 1 and 3, the speed limiter for the elevator comprises a mounting plate 1, wherein a tensioning wheel 11 is mounted at one end of the mounting plate 1, connecting rods 12 are arranged at two sides of the other end of the mounting plate 1, a counterweight plate 13 is mounted on the surface of the connecting rods 12 in a sliding manner, supporting tables 14 are arranged on the surfaces of two sides of the counterweight plate 13, hanging rings 15 are arranged at two ends of the counterweight plate 13, limiting structures 16 are arranged at two sides of the supporting tables 14, and a positioning structure 17 is arranged at one end of each limiting structure 16.

The location structure 17 includes locating plate 23 and set screw 24, locating plate 23 cup joints in the one end of connecting rod 12, one side of locating plate 23 is connected in the one end of curb plate 2, set screw 24 screw thread mount is in the one end of connecting rod 12, the both ends of locating plate 23 are equipped with recess 25, regulating block 27 is installed through the threaded rod 26 screw thread to the side of recess 25, the one end of regulating block 27 is connected in the one end of curb plate 2, the one end of threaded rod 26 is equipped with rotation wheel 28, can follow upper end spacing installation through the locating plate connection threaded rod, can adjust horizontal interval simultaneously, do benefit to accurate counterpoint, improve spacing stability, be connected locating plate 23 to connecting rod 12 upper end, side mounting set screw 24 locking is fixed, avoid not hard up, just also can be connected curb plate 2 to weight plate 13 side, then can install stopper 21 and make up spacing, simultaneously can rotate threaded rod 26 through rotation wheel 28, the screw thread drive regulating block 27 and curb plate 2 remove, can adjust the interval, guarantee to prop up the both sides of supporting bench 14, avoid producing the clearance, improve spacing stability.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. Speed limiter for elevator, comprising a mounting plate (1), characterized in that: tensioning wheel (11) are installed to one end of mounting panel (1), the other end both sides of mounting panel (1) are equipped with connecting rod (12), the surface sliding mounting of connecting rod (12) has counter weight board (13), the both sides surface of counter weight board (13) all is equipped with brace table (14), the both ends of counter weight board (13) are equipped with rings (15), the both sides of brace table (14) are equipped with limit structure (16), the one end of limit structure (16) is equipped with location structure (17).

2. The speed limiter for elevators according to claim 1, wherein: the limiting structure (16) comprises a side plate (2) and limiting blocks (21), and the limiting blocks (21) are fixedly connected to two ends of the side plate (2).

3. The speed limiter for elevators according to claim 2, wherein: one end of the limiting block (21) is provided with a connecting screw (22), and the connecting screw (22) is fixedly connected to the surface of the side plate (2).

4. The speed limiter for elevators according to claim 1, wherein: the positioning structure (17) comprises a positioning plate (23) and a positioning screw (24), and the positioning plate (23) is sleeved at one end of the connecting rod (12).

5. The speed limiter for elevators according to claim 4, wherein: one side of the positioning plate (23) is connected to one end of the side plate (2), and the positioning screw (24) is arranged at one end of the connecting rod (12) in a threaded manner.

6. The speed limiter for elevators according to claim 4, wherein: grooves (25) are formed in two ends of the positioning plate (23), and adjusting blocks (27) are installed on the side faces of the grooves (25) through threaded rods (26) in a threaded mode.

7. The speed limiter for elevators according to claim 6, wherein: one end of the adjusting block (27) is connected to one end of the side plate (2), and one end of the threaded rod (26) is provided with a rotating wheel (28).