CN219293825U

CN219293825U - Disassembling and assembling tool for turbine bearing bush disassembly nut

Info

Publication number: CN219293825U
Application number: CN202320783920.XU
Authority: CN
Inventors: 胥亚东; 李智博
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-07-04
Anticipated expiration: 2033-04-04

Abstract

The utility model relates to a disassembly and assembly tool for a disassembly nut of a turbine bearing bush. At present, when the turbine bushing nut is dismounted, the rusty nut is generally required to be knocked by a wrench and other tools and then is dismounted by the tools, and the hands of an installer are easy to smash in the knocking process. A turbine bearing bush disassembly nut assembly tool comprises the following components: the wrench (1) is connected with the wrench head (2), the top of the middle position of the wrench is connected with the rolling bearing (3), the inner ring surface of the rolling bearing is fixedly connected with the shaft piece (4), the top of the shaft piece is fixedly connected with the middle position of the rotating plate (5), the lower part of the rotating plate is vertically connected with the outer side collision column (6) and the inner side collision column (7), and the outer side collision column and the inner side collision column are arranged on two sides of the rotating plate; the bottom of the middle position of the spanner is connected with a rectangular insert block (8) which is inserted into the top of the spanner head. The utility model is applied to the field of bearing bush installation and disassembly.

Description

Disassembling and assembling tool for turbine bearing bush disassembly nut

Technical Field

The utility model belongs to the technical field of turbine maintenance, and particularly relates to a turbine bearing bush disassembly nut disassembly and assembly tool.

Background

The bearing bush in the steam turbine mainly has the functions of bearing acting force exerted by the journal, keeping an oil film stable, enabling the bearing to work stably and reducing friction loss of the bearing. The turbine bearing bush is one of important components of the turbine bearing, is a part in contact with a sliding bearing and a shaft, lubricating oil needs to be injected into the shaft surface when a bearing shaft of the turbine works, the turbine bearing bush is generally formed by splicing two half-shaft bushes through a bolt assembly, and a small amount of lubricating oil in the bearing bush can be discharged from a butt joint when the bearing shaft of the turbine works, so that the lubricating oil outside the bearing bush is generally acidic, nuts falling onto the bolt assembly can rust, and when the bearing bush nuts are dismounted, the rusty nuts are generally required to be knocked by tools such as a spanner, and then the nuts can be dismounted through the tools after being loosened in a vibration mode. In order to prevent the spanner from falling off when the turbine bearing bush disassembly nut is knocked, the spanner needs to be held by one hand, and the hammer is grasped by the other hand to knock the spanner, so that the hand of an installer is easy to smash in the knocking process.

Disclosure of Invention

The utility model aims to provide a disassembly and assembly tool for a turbine bearing bush disassembly nut.

The above object is achieved by the following technical scheme:

a turbine bearing bush disassembly nut assembly tool comprises the following components: the wrench is connected with the wrench head, the top of the middle position of the top of the wrench is connected with a rolling bearing, the inner ring surface of the rolling bearing is fixedly connected with a shaft piece, the top of the shaft piece is fixedly connected with the middle position of a rotating plate, the lower part of the rotating plate is vertically connected with an outer side collision column and an inner side collision column, and the outer side collision column and the inner side collision column are arranged on two sides of the rotating plate;

the bottom of the middle position of the wrench is connected with a rectangular insert, and the rectangular insert is inserted into the top of the wrench head.

The disassembly and assembly tool for the turbine bearing bush disassembly nut is characterized in that a rectangular jack matched with the rectangular plug is formed in the cylindrical boss at the top of the spanner head.

The disassembly and assembly tool for the turbine bearing bush disassembly nut is characterized in that the sleeve of the wrench is of an inner hexagon structure.

The disassembly and assembly tool for the turbine bearing bush disassembly nuts is characterized in that the outer side collision column and the inner side collision column are of solid metal columnar structures.

The beneficial effects achieved by the utility model are as follows:

1. according to the wrench, the rectangular insert block on the wrench is inserted into the rectangular insert block at the top of the wrench head, then the rotating plate above the wrench is rotated, when the rotating plate rotates, the outer side collision column and the inner side collision column on the rotating plate can rotate along with the rotating plate, the outer side collision column and the inner side collision column can collide two sides of the wrench, so that nuts sleeved in the wrench head are knocked loose, and then the bearing bush nuts are disassembled through the inner hexagonal wrench head.

2. The utility model has simple structure, the nut after the bearing bush is beaten does not need other tools, only the rotating plate is required to be rotated, the outer side collision column and the inner side collision column are driven by the rotating plate to collide with the wrench, the wrench can be prevented from falling off in the knocking process, and the hand of an installer can be prevented from being knocked in the knocking process.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

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

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a schematic illustration of the connection of the rotating plate to the striker;

FIG. 4 is a top view of the sleeve;

in the figure: 1. wrench, 2, spanner, 3, antifriction bearing, 4, shaft piece, 5, swivel plate, 6, outside hit post, 7, inboard hit post, 8, rectangular insert, 9, cylindrical boss, 10, rectangular jack, 11, sleeve, 12, nut.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1:

a turbine bearing bush disassembly nut assembly tool comprises the following components: the wrench 1 is connected with the wrench head 2 in an inserted manner, a rolling bearing 3 is connected to the top of the middle position of the top of the wrench, the inner ring surface of the rolling bearing is fixedly connected with a shaft piece 4, the top of the shaft piece is fixedly connected with the middle position of a rotating plate 5, an outer side collision column 6 and an inner side collision column 7 are vertically connected to the lower part of the rotating plate, and the outer side collision column and the inner side collision column are arranged on two sides of the rotating plate; the outer ring surface of the rolling bearing is fixed at the middle position of the top of the wrench in a welding mode, the wrench adopts a steel rod structure, the shaft surface of the shaft element is fixedly connected with the inner ring surface of the rolling bearing in a welding mode, so that the shaft element can rotate in the inner ring surface of the rolling bearing, and the top of the shaft element is fixedly connected with the bottom of the rotating plate in a welding mode to form an integrated structure; the outer collision column and the inner collision column are solid metal columnar knots. The outer side collision column and the inner side collision column are identical in structure, the outer side collision column is arranged on the outer side of the rotating plate, the inner side collision column is arranged on the inner side of the rotating plate, and when the shaft piece rotates in the rolling bearing, zhou Jianhui drives the rotating plate to rotate together, so that the outer side collision column and the inner side collision column are driven to rotate simultaneously through the rotating plate.

Example 2:

a disassembly and assembly tool for a turbine bearing bush disassembly nut is characterized in that a rectangular insert 8 is connected to the bottom of the middle position of a wrench, and the rectangular insert is inserted into the top of a wrench head. The disassembly and assembly tool for the turbine bearing bush disassembly nut is characterized in that a rectangular jack 10 matched with a rectangular inserting block is formed in the cylindrical boss 9 at the top of the spanner head. The rectangular insert block adopts a solid insert block structure, a rectangular insertion hole is formed in the circle center of the columnar bulge at the top of the wrench head, and when the rectangular insert block on the wrench is inserted into the rectangular insertion hole at the top of the wrench, the wrench is rotated so that the rectangular insert block on the wrench drives the wrench head to rotate.

Example 3:

a disassembly and assembly tool for a turbine bearing bush disassembly nut is characterized in that a sleeve 11 of a wrench is of an inner hexagon structure. When the nut on the turbine bearing bush is required to be disassembled, the spanner with the corresponding size is sleeved on the nut, then the rectangular insert on the spanner is inserted into the rectangular insert at the top of the spanner, then the rotating plate above the spanner is rotated, the rotating plate rotates in the rolling bearing through the shaft piece, when the rotating plate rotates, the outer side collision column and the inner side collision column on the rotating plate rotate along with the rotating plate, when the outer side collision column rotates to a certain angle, the outer side collision column can collide with the outer side of the spanner, the inner side collision column can collide with the inner side of the spanner, and when the spanner is collided with the outer side collision column and the inner side collision column for a plurality of times, the spanner generates vibration, so that the spanner is driven to vibrate, and the bearing bush nut is disassembled through the inner hexagonal spanner after the bearing bush nut is knocked loose.

Claims

1. A turbine bearing bush disassembly nut assembly tool comprises the following components: spanner, spanner and spanner adopt plug-in type to be connected, characterized by: the top of the middle position of the top of the wrench is connected with a rolling bearing, the inner ring surface of the rolling bearing is fixedly connected with a shaft piece, the top of the shaft piece is fixedly connected with the middle position of a rotating plate, the lower part of the rotating plate is vertically connected with an outer side collision column and an inner side collision column, and the outer side collision column and the inner side collision column are arranged on two sides of the rotating plate;

2. The turbine bushing disassembly nut assembly tool of claim 1, wherein: rectangular jacks matched with the rectangular plug blocks are formed in the cylindrical protrusions at the top of the spanner head.

3. The turbine bushing disassembly nut assembly tool of claim 2, wherein: the socket of the wrench is of an inner hexagon structure.

4. The turbine bushing disassembly nut assembly tool of claim 1, wherein: the outer collision column and the inner collision column are solid metal columnar structures.