CN219242458U

CN219242458U - Large-scale wind-powered electricity generation main shaft bearing holder

Info

Publication number: CN219242458U
Application number: CN202320768049.6U
Authority: CN
Inventors: 杨军; 杨放勋
Original assignee: Taizhou Dachuan Machinery Technology Co ltd
Current assignee: Taizhou Dachuan Machinery Technology Co ltd
Priority date: 2023-04-08
Filing date: 2023-04-08
Publication date: 2023-06-23
Anticipated expiration: 2033-04-08

Abstract

The utility model relates to the technical field of bearings, in particular to a large wind power main shaft bearing retainer, which comprises a first retainer and a second retainer, wherein rolling grooves are formed in the surfaces of the opposite sides of the first retainer and the second retainer, a mounting assembly is arranged in the rolling grooves, a high-strength fixing ring is fixedly arranged on the rear side of the first retainer, and the rolling contact between rolling bodies and the rolling frames is realized by utilizing the structural design in the mounting assembly through the mounting assembly arranged in the large wind power main shaft bearing retainer, so that the purpose of mounting rolling bodies with different sizes is achieved, and the applicability of the retainer is improved.

Description

Large-scale wind-powered electricity generation main shaft bearing holder

Technical Field

The utility model relates to the technical field of bearings, in particular to a large wind power main shaft bearing retainer.

Background

Bearing cage means a bearing part which partly encloses all or part of the rolling elements and moves therewith to isolate the rolling elements, and usually also to guide the rolling elements and keep them in the bearing, which is required during operation of large wind power spindles, and which is one of the main structures of the bearing.

The retainer in the bearing is in direct contact with the rolling bodies, so that the size of the rolling bodies needs to be matched with the retainer, and therefore, when the retainer is used, the rolling bodies with different sizes cannot be matched, and the applicability of the retainer is further limited.

In summary, the present utility model solves the problems in the prior art by designing a large wind power main shaft bearing retainer.

Disclosure of Invention

The utility model aims to provide a large wind power main shaft bearing retainer to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the large wind power main shaft bearing retainer comprises a first retainer and a second retainer, rolling grooves are formed in the surfaces of the opposite sides of the first retainer and the second retainer, mounting assemblies are arranged in the rolling grooves, and a high-strength fixing ring is fixedly mounted on the rear side of the first retainer;

the installation component is including embedding the round head square hole screw of installing in retainer outside surface and set up rolling frame, spacing groove and the draw-in groove in the rolling inslot portion respectively, rolling frame's outside fixed mounting has the stopper, and its front side fixed mounting has the fixture block.

As a preferable mode of the utility model, the rear side surface of the high-strength fixing ring is fixedly connected with the front side surface of the second retainer.

As a preferable scheme of the utility model, the outer side surfaces of the first retainer, the second retainer and the high-strength fixing ring are all flush.

As a preferable scheme of the utility model, the first retainer and the second retainer are arranged in a front-back symmetrical mode relative to the inner center of the high-strength fixing ring, a plurality of rolling grooves are formed, and the rolling grooves are respectively distributed in a left-right symmetrical mode relative to the central axes of the tops of the first retainer and the second retainer.

As a preferable scheme of the utility model, the outer side surface of the rolling frame is attached to the inner wall of the rolling groove, the inner side of the rolling frame is provided with the rolling body, the limiting groove and the limiting block are correspondingly arranged, and the inner wall of the limiting groove is in sliding contact with the outer side surface of the limiting block.

As a preferable scheme of the utility model, the clamping groove is in plug-in fit with the clamping block, a screw hole is formed in the outer side surface of the clamping block, one end of the round-head square-hole screw respectively penetrates through the outer side surfaces of the first retainer and the second retainer movably and extends to the inside of the clamping groove, and the outer side surface of the round-head square-hole screw is in threaded connection with the inner wall of the screw hole.

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

according to the utility model, the installation assembly is arranged in the large wind power main shaft bearing retainer, so that the rolling contact between the rolling bodies and the rolling frame is realized by utilizing the structural design in the installation assembly, the purpose of installing the rolling bodies with different sizes is further achieved, and the applicability of the retainer is improved.

Drawings

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

FIG. 2 is a partially exploded view of the cage of the present utility model;

fig. 3 is a schematic structural view of the mounting mechanism of the present utility model.

In the figure: 1. a first retainer; 2. a second retainer; 3. a rolling groove; 4. a mounting assembly; 401. round head square hole screw; 402. a rolling frame; 403. a limit groove; 404. a clamping groove; 405. a limiting block; 406. a clamping block; 5. a high strength securing ring.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, several embodiments of the utility model will be described more fully hereinafter with reference to the accompanying drawings, in which, however, the utility model may be embodied in many different forms and is not limited to the embodiments described herein, but instead is provided for the purpose of providing a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the large wind power main shaft bearing retainer comprises a first retainer 1 and a second retainer 2, wherein rolling grooves 3 are formed in the surfaces of the opposite sides of the first retainer 1 and the second retainer 2, and a high-strength fixing ring 5 is fixedly arranged on the rear side of the first retainer 1;

specifically, the rear side surface of the high-strength fixing ring 5 is fixedly connected with the front side surface of the second retainer 2, and the outer side surfaces of the first retainer 1, the second retainer 2 and the high-strength fixing ring 5 are all flush;

in this embodiment, the cooperation between the first holder 1, the second holder 2 and the high-strength fixing ring 5 enables the first holder 1 and the second holder 2 to be kept in a stable state.

Specifically, the first retainer 1 and the second retainer 2 are arranged in a front-back symmetrical manner with respect to the inner center of the high-strength fixing ring 5, a plurality of rolling grooves 3 are provided, and a plurality of rolling grooves 3 are respectively distributed in a left-right symmetrical manner with respect to the central axes of the tops of the first retainer 1 and the second retainer 2;

in this embodiment, the rolling groove 3 is mainly used for installing the rolling element, so that rolling connection between the rolling element and the bearing outer ring is facilitated.

In this embodiment, referring to fig. 1, 2 and 3, a mounting assembly 4 is disposed inside the rolling groove 3, the mounting assembly 4 includes a round-head square hole screw 401 embedded and mounted on the outer side surface of the first retainer 1, a rolling frame 402, a limiting groove 403 and a clamping groove 404 respectively disposed inside the rolling groove 3, a limiting block 405 is fixedly mounted on the outer side of the rolling frame 402, and a clamping block 406 is fixedly mounted on the front side of the rolling frame;

specifically, the outer side surface of the rolling frame 402 is attached to the inner wall of the rolling groove 3, the inner side of the rolling frame is provided with rolling bodies, the limiting groove 403 is correspondingly arranged with the limiting block 405, the inner wall of the limiting groove is in sliding contact with the outer side surface of the limiting block 405, the clamping groove 404 is in plug-in fit with the clamping block 406, the outer side surface of the clamping block 406 is provided with a screw hole, one end of the round-head square hole screw 401 respectively penetrates through the outer side surfaces of the first retainer 1 and the second retainer 2 movably and extends to the inside of the clamping groove 404, and the outer side surface of the round-head square hole screw is in threaded connection with the inner wall of the screw hole;

in this embodiment, the sliding fit of the limiting groove 403 and the limiting block 405 can limit the rotation of the rolling frame 402, so that the stable contact between the rolling frame 402 and the rolling groove 3 is ensured, and the threaded fit between the round-head square hole screw 401 and the screw hole can fix the rolling frame 402, so that the rolling frame 402 can be installed, and the demands of users are met.

The working flow of the utility model is as follows: when the large wind power main shaft bearing retainer is used, firstly, rolling bodies are arranged in the rolling groove 3, then the first retainer 1 and the second retainer 2 are arranged on the inner side of the outer ring of the bearing and the outer side of the inner ring of the bearing, when the rolling bodies with different sizes are required to be arranged, the rolling frame 402 is close to the rolling groove 3, the limiting block 405 is in sliding contact with the limiting groove 403 until the clamping block 406 is completely attached to the clamping groove 404, at the moment, the round head square hole screw 401 is rotated, the rolling frame 402 and the rolling groove 3 are fixedly connected under the threaded fit of the round head square hole screw 401 and the screw hole, and then the rolling bodies are arranged on the inner side of the rolling frame 402, so that rolling bodies with different sizes are conveniently matched with the rolling frame in a rotating mode, the applicability of the retainer is guaranteed, and the requirements of users are met.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims

1. The utility model provides a large-scale wind-powered electricity generation main shaft bearing holder, includes holder (1) and No. two holders (2), its characterized in that: the rolling grooves (3) are formed in the surfaces of the opposite sides of the first retainer (1) and the second retainer (2), the installation assembly (4) is arranged in the rolling grooves (3), and a high-strength fixing ring (5) is fixedly installed on the rear side of the first retainer (1);

the mounting assembly (4) comprises round head square hole screws (401) embedded and mounted on the outer side surface of the first retainer (1), a rolling frame (402), a limiting groove (403) and a clamping groove (404) which are respectively arranged inside the rolling groove (3), a limiting block (405) is fixedly mounted on the outer side of the rolling frame (402), and a clamping block (406) is fixedly mounted on the front side of the rolling frame.

2. A large wind power main shaft bearing retainer according to claim 1, wherein: the rear side surface of the high-strength fixing ring (5) is fixedly connected with the front side surface of the second retainer (2).

3. A large wind power main shaft bearing retainer according to claim 1, wherein: the outer side surfaces of the first retainer (1), the second retainer (2) and the high-strength fixing ring (5) are all flush.

4. A large wind power main shaft bearing retainer according to claim 1, wherein: the retainer (1) and the retainer (2) are arranged in a front-back symmetrical mode with respect to the inner center of the high-strength fixing ring (5), a plurality of rolling grooves (3) are formed, and the rolling grooves (3) are distributed in a left-right symmetrical mode with respect to the top central axes of the retainer (1) and the retainer (2) respectively.

5. A large wind power main shaft bearing retainer according to claim 1, wherein: the outer side surface of rolling frame (402) is laminated with the inner wall of rolling groove (3), and its inboard is provided with the rolling element, spacing groove (403) is corresponding setting with stopper (405), and its inner wall and the outer side surface sliding contact of stopper (405).

6. A large wind power main shaft bearing retainer according to claim 1, wherein: the clamping groove (404) is in plug-in fit with the clamping block (406), a screw hole is formed in the outer side surface of the clamping block (406), one end of the round-head square hole screw (401) respectively penetrates through the outer side surfaces of the first retainer (1) and the second retainer (2) movably and extends to the inside of the clamping groove (404), and the outer side surface of the round-head square hole screw is in threaded connection with the inner wall of the screw hole.