CN113104695A

CN113104695A - Elevator wire rope stress release device

Info

Publication number: CN113104695A
Application number: CN202110290691.3A
Authority: CN
Inventors: 季磊; 包利明; 李永强; 陈伟
Original assignee: SHANGHAI FUJI ELEVATOR CO Ltd
Current assignee: SHANGHAI FUJI ELEVATOR CO Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-07-13
Anticipated expiration: 2041-03-18
Also published as: CN113104695B

Abstract

The invention relates to the field of elevators, in particular to an elevator steel wire rope stress release device which comprises a rope hitch plate, wherein a second rotating sleeve is fixedly arranged at the top of the rope hitch plate, a first rotating sleeve is rotatably connected inside the second rotating sleeve, a rope hitch assembly body is fixedly arranged inside the first rotating sleeve, a second belt pulley is sleeved on the first rotating sleeve, a ball bearing is fixedly arranged on the rope hitch plate in a penetrating manner, a rotating shaft is fixedly arranged inside the ball bearing, a first belt pulley is sleeved on the rotating shaft, and the first belt pulley is connected with the second belt pulley through a belt. The rope head plate and the rope head combined device body can rotate relatively through the relative rotation of the first rotating sleeve and the second rotating sleeve, so that the torsional stress of a steel wire rope connected to the rope head plate and the rope head combined device body is released, and the service life of the steel wire rope is prolonged.

Description

Elevator wire rope stress release device

Technical Field

The invention relates to the field of elevators, in particular to a stress release device for a steel wire rope of an elevator.

Background

With the high-speed development of national economy and the acceleration of urbanization process, elevators are installed in a large number of newly-built high-rise buildings and serve as special equipment, and the elevators have strict standards, wherein the elevators have steel wire rope abandonment standards.

However, in the actual use process, the service life of the steel wire rope is not constant, less, 3 years and more 10 years, but the steel wire rope of the elevator needs to be replaced, which is a large project, the manpower and material resources are large expenses, and the steel wire rope of the elevator is a metal material which is difficult to recycle, so that the resource waste is caused.

The elevator steel wire rope is broken in wire and strand, normal abrasion caused by working conditions such as friction of the steel wire rope and a guide wheel is avoided, the service life of the elevator steel wire rope can be greatly shortened if the torsional stress is not released when the elevator steel wire rope is manufactured and installed, the two ends of the elevator steel wire rope are respectively fixed on a rope head combination device after the elevator steel wire rope passes through a car and a counterweight through a winding method, after the two ends of the elevator steel wire rope are fixed, the internal stress of the steel wire rope exists for a long time, and in the process of up-and-down operation of an elevator, the stress can form the torsion of the steel wire rope, the torsion cannot be automatically eliminated because the existing rope head combination device is fixed and cannot rotate, and therefore, the elevator steel wire rope stress release device is designed.

Disclosure of Invention

The invention aims to provide a stress release device for a steel wire rope of an elevator, which aims to solve the technical problem.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides an elevator wire rope stress relief device, includes the rope hitch plate, rope hitch plate top has set firmly the second and has rotated the cover, the second rotates the inside rotation of cover and is connected with first cover that rotates, first cover that rotates is inside to have set firmly the fag end composite set body, the cover is equipped with the second belt pulley on the first cover that rotates, run through on the rope hitch plate and have set firmly ball bearing, ball bearing inside has set firmly the pivot, the cover is equipped with first belt pulley in the pivot, first belt pulley is connected through the belt with the second belt pulley.

Firstly, the second rotating sleeve and the first rotating sleeve are additionally arranged, the second rotating sleeve is fixedly connected with the rope head plate, the first rotating sleeve is fixedly connected with the rope head combined device body, the rope head plate and the rope head combined device body can relatively rotate through the relative rotation of the first rotating sleeve and the second rotating sleeve, so that the torsional stress of a steel wire rope connected to the rope head plate and the rope head combined device body is released, and the service life of the steel wire rope is prolonged. Secondly, this patent is increased and is equipped with ball bearing and makes ball bearing's rotation and first rotation cover, the relative rotation of second rotation cover be correlated with through the belt, on the one hand, provides the physics basis for the rotation condition that detects wire rope torsional stress through the rotation condition of the pivot that detects ball bearing's pivot, and on the other hand, for the pivot that drives ball bearing through power device rotates to make rope hitch plate and rope end composite set body rotate relatively, help releasing wire rope torsional stress provides the physics basis.

Preferably, the first pulley is located above the rope hitch plate, and the ball bearing is located on the left side of the second rotating sleeve.

An auxiliary power mechanism is arranged at the left end of the bottom of the rope hitch plate. Preferably, auxiliary power unit includes motor, mounting panel, base, electric telescopic handle, inserted block, slot, and is a plurality of electric telescopic handle and fag end board bottom rigid coupling, electric telescopic handle's flexible end and mounting panel rigid coupling, the mounting panel bottom has set firmly the motor, the power output shaft of motor runs through the mounting panel and extends to mounting panel top and base rigid coupling, be provided with the slot on the base, inserted block and pivot bottom rigid coupling.

Preferably, the insertion block is inserted into the insertion slot.

Preferably, the surface of the insert block is fixedly provided with a first magnet, the inner wall of the inner cavity of the slot is fixedly provided with a second magnet, and the first magnet and the second magnet are attracted magnetically.

Preferably, the motor and the electric telescopic rod are both in wireless connection with the controller.

Drawings

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

FIG. 2 is an enlarged view of portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the connection between the first magnet and the insert of the present invention;

FIG. 4 is a top view of the base of the present invention;

reference numerals: 1-rope end combined device body; 2-rope hitch plate; 3, a belt; 4-a first pulley; 5-a rotating shaft; 6-a first rotating sleeve; 7-a second pulley; 8-a second rotating sleeve; 9-a motor; 10-mounting a plate; 11-a base; 12-an electric telescopic rod; 13-a first magnet; 14-an insert block; 15-slot; 16-a second magnet; 18-ball bearing.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easily understood, the invention is further described below with reference to the specific embodiments and the attached drawings, but the following embodiments are only the preferred embodiments of the invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention are described below with reference to the accompanying drawings.

As shown in fig. 1-4, an elevator steel wire rope stress releasing device comprises a rope hitch plate 2, a second rotating sleeve 8 is fixedly arranged at the top of the rope hitch plate 2, a first rotating sleeve 6 is rotatably connected inside the second rotating sleeve 8, a rope hitch body 1 is fixedly arranged inside the first rotating sleeve 6, a second belt pulley 7 is sleeved on the first rotating sleeve 6, a ball bearing 18 is fixedly arranged on the rope hitch plate 2 in a penetrating manner, a rotating shaft 5 is fixedly arranged inside the ball bearing 18, a first belt pulley 4 is sleeved on the rotating shaft 5, the first belt pulley 4 is positioned above the rope hitch plate 2, the ball bearing 18 is positioned at the left side of the second rotating sleeve 8, the first belt pulley 4 is connected with the second belt pulley 7 through a belt 3, an auxiliary power mechanism is arranged at the left end of the bottom of the rope hitch plate 2, the auxiliary power mechanism comprises a motor 9, a mounting plate 10, a base 11, electric telescopic rods 12, an insertion block 14 and a slot 15, the electric telescopic rods 12, the flexible end and the mounting panel 10 rigid coupling of electric telescopic handle 12, mounting panel 10 bottom has set firmly motor 9, the power output shaft of motor 9 runs through mounting panel 10 and extends to mounting panel 10 top and base 11 rigid coupling, be provided with slot 15 on the base 11, inserted block 14 and 5 bottom rigid couplings of pivot, inserted block 14 is pegged graft with slot 15, inserted block 14 surface has set firmly first magnet 13, slot 15 inner chamber inner wall has set firmly second magnet 16,

first magnet

13, 16 magnetism of second magnet attract each other, motor 9, electric telescopic handle 12 all with controller wireless connection. The insertion mode allows the rotating shaft of the motor to be separated from the ball bearing 18, so that the motor is prevented from rotating passively, and the torsional resistance between the rope hitch plate and the rope hitch body is increased.

The rotating shaft of the ball bearing 18 can be sleeved with an angle sensor, and the angle sensor is wirelessly connected with the controller. The controller is preferably the controller of the elevator, so that the controller of the elevator performs unified data processing and data management, i.e. only angle measurement is allowed, and a separate manual control motor is allowed to rotate, and the auxiliary rope hitch plate and the rope end combination device body rotate relatively. Preferably, be equipped with storage module in the controller, the rotation condition of angle sensor real-time supervision ball bearing 18's pivot, and upload the monitoring parameter for the controller in real time, the controller deposits the monitoring parameter in storage module, the controller is according to monitoring parameter and elevator current running state, the relation function of monitoring parameter and elevator running state is generated, the controller utilizes the relation function, when the running state of elevator changes, give rope hitch plate and rope hitch body rotation law under next running state, then according to rotating law control electric telescopic handle, the action condition of motor, through motor drive ball bearing rotation, supplementary rope hitch plate and rope hitch body rotate relatively. The shaft 5 and the insert 14 may be formed together, and the insert 14 may be directly replaced with a lower portion of the shaft 5. Thereby making the connection more secure.

The motor can be located under the ball bearing, and the rotating shaft of the motor is over against the rotating shaft of the ball bearing. Or the motor and the ball bearing are respectively positioned at two sides of the electric telescopic rod 12, and the motor is connected with the roller bearing through the transmission mechanism. The first magnet and the second magnet are used for enabling the connection between the motor rotating shaft and the rotating shaft of the ball bearing to be tighter and firmer. One of the magnets is preferably an electromagnet which is connected to the controller, thereby allowing the controller to control the change in the magnetic properties of the electromagnet, with greater ease when the two are separated. The outer contour of the lower end of the rotating shaft 5 can be directly changed into a polygon without arranging a magnet and an inserting block, and the inner contour of the slot is changed into a shape matched with the outer contour of the lower end of the rotating shaft. Therefore, the structure of the polygonal edge is utilized, and the situation of slipping between the polygonal edge and the polygonal edge is avoided.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an elevator wire rope stress relief device, includes rope hitch plate (2), its characterized in that: rope hitch plate (2) top has set firmly the second and has rotated cover (8), the second rotates cover (8) internal rotation and is connected with first cover (6) that rotates, first cover (6) internal portion that rotates has set firmly fag end composite set body (1), the cover is equipped with second belt pulley (7) on first cover (6) that rotates, run through on rope hitch plate (2) and set firmly ball bearing (18), ball bearing (18) internal portion has set firmly pivot (5), the cover is equipped with first belt pulley (4) on pivot (5), first belt pulley (4) are connected through belt (3) with second belt pulley (7).

2. The elevator rope stress relief device of claim 1, wherein: the first belt pulley (4) is positioned above the rope hitch plate (2), and the ball bearing (18) is positioned on the left side of the second rotating sleeve (8).

3. The elevator rope stress relief device of claim 1, wherein: an auxiliary power mechanism is arranged at the left end of the bottom of the rope hitch plate (2), the auxiliary power mechanism comprises a motor (9), and the motor (9) is in driving connection with a rotating shaft of the ball bearing (18).

4. The elevator rope stress relief device of claim 3, wherein: the motor (9) is positioned under the ball bearing (18), and the rotating shaft of the motor (9) is over against the rotating shaft of the ball bearing (18).

5. The elevator rope stress relief device of claim 4, wherein: auxiliary power unit still includes mounting panel (10), base (11), electric telescopic handle (12), inserted block (14), slot (15), and is a plurality of electric telescopic handle (12) and fag end board (2) bottom rigid coupling, the flexible end and mounting panel (10) rigid coupling of electric telescopic handle (12), mounting panel (10) bottom has set firmly motor (9), the power output shaft of motor (9) runs through mounting panel (10) and extends to mounting panel (10) top and base (11) rigid coupling, be provided with slot (15) on base (11), inserted block (14) and pivot (5) bottom rigid coupling, inserted block (14) are pegged graft with slot (15).

6. The elevator rope stress relief device of claim 5, wherein: insert piece (14) surface and set firmly first magnet (13), slot (15) inner chamber inner wall sets firmly second magnet (16), first magnet (13), second magnet (16) magnetism attract mutually.

7. The elevator rope stress relief device of claim 5, wherein: the outer contour of the insert (14) is polygonal, and the inner contour of the slot (15) is matched with the outer contour of the insert (14).

8. The elevator rope stress relief device of claim 5, wherein: the motor (9) and the electric telescopic rod (12) are in wireless connection with the controller.

9. An elevator rope stress relief device according to any one of claims 1 to 8, wherein: an angle sensor is sleeved on a rotating shaft of the ball bearing (18) and is in wireless connection with the controller.