CN219238961U

CN219238961U - Traction type elevator traction sheave

Info

Publication number: CN219238961U
Application number: CN202320308807.6U
Authority: CN
Inventors: 刘秀美; 王玉红; 张友明
Original assignee: Licheng Elevator Shandong Co ltd
Current assignee: Licheng Elevator Shandong Co ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-06-23
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses a traction type elevator traction sheave which comprises a sheave body, wherein an annular groove is formed in the surface of the sheave body, a rope groove structure is arranged in the annular groove, the rope groove structure comprises a rope groove A and a rope groove B, a mounting structure is arranged between the sheave body and the rope groove structure, the mounting structure comprises fixed side blocks fixed on two sides of the inside of the sheave body, and a screw rod connected with the fixed side blocks is fixed on the inner side of the rope groove structure; the annular groove is formed in the surface of the wheel body, the rope groove structure is arranged in the annular groove, the rope groove structure is used for friction with a steel wire rope, after the rope groove structure is worn, the rope groove structure can be detached from the annular groove and replaced, and the wheel body can be continuously used after the rope groove structure is replaced, so that the maintenance cost of the traction wheel is reduced.

Description

Traction type elevator traction sheave

Technical Field

The utility model belongs to the technical field of traction sheaves, and particularly relates to a traction sheave of a traction type elevator.

Background

The traction sheave is a sheave on the hoisting machine, also called traction sheave or drive sheave. The traction sheave is a device for transmitting traction power of an elevator, is one of the most important devices on a traction elevator, and is described in Chinese patent applications with application numbers of CN201921186380.7 and CN202210498257.9, wherein the traction sheave transmits power by utilizing friction force of a traction steel wire rope and rope grooves on a traction rim; because the traction sheave bears the total weight of the dead weight, the load and the counterweight of the elevator car, whether the traction sheave is normally operated or not directly determines whether the elevator can be normally and safely used.

When the traction sheave is used, the steel wire rope can be continuously rubbed with the rope groove, the rope groove is inevitably worn for a long time, so that the friction force between the steel wire rope and the rope groove is affected, the normal use of an elevator is not facilitated, the elevator needs to be treated at the moment, but the rope groove on the existing traction sheave is generally directly arranged on the surface of the sheave body, so that the traditional treatment mode can only replace the whole traction sheave, the treatment mode can bring material waste, and the treatment cost is high, so that a new technical scheme is needed to be designed to solve the problem.

Disclosure of Invention

The utility model aims to provide a traction type elevator traction sheave, which aims to solve the problem that after the rope grooves on the existing traction sheave provided in the background art are worn, the whole traction sheave can be replaced, so that the maintenance cost is high.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a traction type elevator traction sheave, includes the wheel body, the ring channel has been seted up to the surface of wheel body, the inside of ring channel is provided with the rope groove structure, the rope groove structure includes rope groove A and rope groove B, be provided with mounting structure between wheel body and the rope groove structure, mounting structure is including fixing the fixed side piece in the inside both sides of wheel body, the rope groove structure inboard is fixed with the screw rod that is connected with fixed side piece.

Preferably, the mounting structure further comprises a through hole formed in the fixed side block and the wheel body, and the screw penetrates through the through hole.

Preferably, the screw penetrates through the outer end of the through hole and is connected with a nut in a threaded mode, and a gasket in extrusion contact with the nut is arranged on one side of the fixed side block.

Preferably, the rope groove A and the rope groove B are of semicircular structures, and the rope groove A is attached to two ends of the rope groove B.

Preferably, a contact assembly is arranged between the rope groove structure and the annular groove, and the contact assembly comprises a bottom groove and a rubber block.

Preferably, the bottom groove is formed in the bottom surface of the annular groove, the rubber block is fixed in the bottom groove, and the top of the rubber block is in contact with the rope groove structure.

Preferably, a butt joint assembly is arranged between the rope groove A and the rope groove B, and the butt joint assembly comprises a butt joint groove, a butt joint sheet and a pressing pad.

Preferably, the butt joint groove is formed at the end part of the rope groove B, the butt joint pieces are fixed at the two ends of the rope groove A, the butt joint pieces are inserted into the butt joint groove, and the extrusion pads are fixed at the two sides of the butt joint groove and are in extrusion contact with the butt joint pieces.

Compared with the prior art, the utility model has the beneficial effects that:

the annular groove is formed in the surface of the wheel body, the rope groove structure is arranged in the annular groove, the rope groove structure is used for friction with a steel wire rope, after the rope groove structure is worn, the rope groove structure can be detached from the annular groove and replaced, and the wheel body can be continuously used after the rope groove structure is replaced, so that the maintenance cost of the traction wheel is reduced.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the connection between the wheel body and the rope groove structure of FIG. 1 in accordance with the present utility model;

FIG. 3 is an enlarged view of a portion of the mounting structure of FIG. 2 in accordance with the present utility model;

fig. 4 is a side cross-sectional view of the connection of the rope groove a with the annular groove of fig. 2 according to the utility model;

fig. 5 is a top cross-sectional view of the top end of the rope groove structure of fig. 2 according to the present utility model;

in the figure: 100. a wheel body; 200. an annular groove; 300. rope groove structure; 301. rope groove A; 302. rope grooves B; 400. a mounting structure; 401. fixing the side blocks; 402. a screw; 403. a through hole; 404. a nut; 405. a gasket; 500. a contact assembly; 501. a bottom groove; 502. a rubber block; 600. a docking assembly; 601. a butt joint groove; 602. butt joint pieces; 603. and (3) extruding the pad.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a traction type elevator traction sheave, including wheel body 100, annular groove 200 has been seted up to the surface of wheel body 100, the inside of annular groove 200 is provided with rope groove structure 300, utilize rope groove structure 300 to contact with wire rope, rope groove structure 300 includes rope groove A301 and rope groove B302, be provided with mounting structure 400 between wheel body 100 and the rope groove structure 300, mounting structure 400 includes fixed side piece 401 and screw rod 402, when installing rope groove structure 300, can laminate rope groove A301 and rope groove B302 respectively with the both sides of annular groove 200 mutually, simultaneously link up screw rod 402 and fixed side piece 401, the installation can be accomplished.

In this embodiment, the mounting structure 400 preferably further includes a through hole 403, and the screw 402 may be inserted through the through hole 403 when the rope groove structure 300 is mounted, so as to perform positioning connection between the rope groove structure 300 and the wheel body 100.

In this embodiment, preferably, the outer end of the screw 402 is screwed with the nut 404, so that the screw 402 is fixedly connected with the fixed side block 401, and meanwhile, the installation of the rope groove structure 300 can be completed, a gasket 405 in pressing contact with the nut 404 is arranged on one side of the fixed side block 401, so that the stability of the threaded connection is ensured, if the rope groove structure 300 is to be replaced, the nut 404 can be detached, then the screw 402 is pulled out from the through hole 403, so that the rope groove A301 and the rope groove B302 are detached, then a new rope groove structure 300 is installed, and the traction sheave can be reused.

In this embodiment, preferably, the rope groove a301 and the rope groove B302 are both in semicircular structures, two ends of the rope groove a301 and two ends of the rope groove B302 are attached, and the annular structure formed by the rope groove a301 and the rope groove B302 is attached to the annular groove 200, so that stable installation between the rope groove structure 300 and the wheel body 100 is ensured.

In this embodiment, preferably, a contact assembly 500 is provided between the rope groove structure 300 and the annular groove 200, to buffer contact between the rope groove structure 300 and the annular groove 200 and to slow down wear speed between them, and the contact assembly 500 includes a bottom groove 501 and a rubber block 502.

In this embodiment, preferably, the bottom groove 501 is formed on the bottom surface of the annular groove 200, the rubber block 502 is fixed inside the bottom groove 501, and the top of the rubber block 502 contacts with the rope groove structure 300, so that the flexibility of the rubber block 502 is utilized to realize the buffering effect.

In this embodiment, preferably, a butt joint assembly 600 is provided between the rope groove a301 and the rope groove B302, and the butt joint assembly 600 is used to improve the connection tightness between the rope groove a301 and the rope groove B302, and the butt joint assembly 600 includes a butt joint groove 601, a butt joint piece 602, and a pressing pad 603.

In this embodiment, it is preferable that when the rope groove a301 and the rope groove B302 are mounted, both ends thereof are gradually approached until the butt-joint piece 602 is completely inserted into the butt-joint groove 601, and the pressing pad 603 presses against the butt-joint piece 602, thereby ensuring the connection tightness between the rope groove a301 and the rope groove B302.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Traction type elevator traction sheave, including wheel body (100), its characterized in that: annular groove (200) have been seted up on the surface of wheel body (100), the inside of annular groove (200) is provided with rope groove structure (300), rope groove structure (300) include rope groove A (301) and rope groove B (302), be provided with mounting structure (400) between wheel body (100) and rope groove structure (300), mounting structure (400) are including fixing fixed side piece (401) in wheel body (100) inside both sides, rope groove structure (300) inboard is fixed with screw rod (402) that are connected with fixed side piece (401).

2. The traction type elevator traction sheave according to claim 1, characterized in that: the mounting structure (400) further comprises a through hole (403) formed in the fixed side block (401) and the wheel body (100), and the screw (402) penetrates through the through hole (403).

3. The traction sheave of claim 2, wherein: the screw rod (402) runs through the outer end threaded connection of through hole (403) and has nut (404), one side of fixed side piece (401) is provided with gasket (405) with nut (404) extrusion contact.

4. The traction type elevator traction sheave according to claim 1, characterized in that: the rope groove A (301) and the rope groove B (302) are of semicircular structures, and the rope groove A (301) is attached to two ends of the rope groove B (302).

5. The traction type elevator traction sheave according to claim 1, characterized in that: a contact assembly (500) is arranged between the rope groove structure (300) and the annular groove (200), and the contact assembly (500) comprises a bottom groove (501) and a rubber block (502).

6. The traction type elevator traction sheave according to claim 5, wherein: the bottom groove (501) is formed in the bottom surface of the annular groove (200), the rubber block (502) is fixed inside the bottom groove (501), and the top of the rubber block (502) is in contact with the rope groove structure (300).

7. The traction type elevator traction sheave according to claim 1, characterized in that: a butt joint assembly (600) is arranged between the rope groove A (301) and the rope groove B (302), and the butt joint assembly (600) comprises a butt joint groove (601), a butt joint piece (602) and a pressing pad (603).

8. The traction type elevator traction sheave according to claim 7, wherein: the butt joint groove (601) is formed in the end portion of the rope groove B (302), the butt joint piece (602) is fixed to the two ends of the rope groove A (301), the butt joint piece (602) is inserted into the butt joint groove (601), and the extrusion pads (603) are fixed to the two sides of the butt joint groove (601) and are in extrusion contact with the butt joint piece (602).