CN220740989U

CN220740989U - Bearing seal cover dismounting device

Info

Publication number: CN220740989U
Application number: CN202322501197.4U
Authority: CN
Inventors: 周佶俊; 李春辉; 曹明慧
Original assignee: Shanghai Crrc Shentong Rail Transit Vehicle Co ltd
Current assignee: Shanghai Crrc Shentong Rail Transit Vehicle Co ltd
Priority date: 2023-09-14
Filing date: 2023-09-14
Publication date: 2024-04-09
Anticipated expiration: 2033-09-14

Abstract

The utility model discloses a bearing seal cover dismounting device, which comprises a seal cover drawing seat, wherein two side surfaces of the seal cover drawing seat respectively abut against the side walls of an outer ring and an inner ring of a bearing; the drawing screw rod penetrates through the sealing cover drawing seat and stretches into the bearing to hook the bearing sealing cover; and the drawing nut is arranged on one side, far away from the bearing, of the sealing cover drawing seat and is in threaded connection with the drawing screw rod, and the drawing screw rod can be driven to move along the axis by screwing the drawing nut. The bearing seal cover dismounting device is arranged at the top of the tool in a manner that the bearing for dismounting the seal cover is arranged, the seal cover can be pulled out through a pulling bolt on one side, the inner part of the bearing cannot be damaged in the whole process, and meanwhile, the bearing seal cover dismounting device is high in speed and simple to operate.

Description

Bearing seal cover dismounting device

Technical Field

The utility model relates to the technical field of bearing seal cover replacement devices, in particular to a bearing seal cover dismounting device.

Background

At present, the seal cover of the bearing is replaced and removed by using a screwdriver to pry the seal cover, and the manner is easy to damage other parts in the bearing due to excessive force of the screwdriver in the process of prying the seal cover; moreover, the method has requirements on the proficiency of workers, and the efficiency of removing the sealing cover can not be ensured under the condition that other parts in the bearing are not damaged.

Disclosure of Invention

The utility model aims to provide a bearing sealing cover dismounting device which can quickly and simply finish dismounting the bearing sealing cover, does not damage other parts in a bearing, and improves the efficiency of replacing the bearing sealing cover.

In order to solve the technical problems, the utility model provides a bearing seal cover dismounting device, which comprises:

the two side surfaces of the sealing cover drawing seat respectively lean against the side walls of the outer ring and the inner ring of the bearing;

the drawing screw rod penetrates through the sealing cover drawing seat and stretches into the bearing to hook the bearing sealing cover;

and the drawing nut is arranged on one side, far away from the bearing, of the sealing cover drawing seat and is in threaded connection with the drawing screw rod, and the drawing screw rod can be driven to move along the axis by screwing the drawing nut.

Preferably, the seal cover drawing seat is provided with a first step, and the first step abuts against the side wall and the end face of the bearing outer ring.

Preferably, the first step is an arc-shaped groove formed in order to be matched with the outer ring of the bearing.

Preferably, the seal cover drawing seat is provided with a second step, and the second step abuts against the side wall and the end face of the bearing inner ring.

Preferably, the second step is an arc-shaped groove formed to be matched with the inner ring of the bearing.

Preferably, the seal cover drawing seat is provided with a through hole in a penetrating manner so that the drawing screw rod can pass through and move along the through hole.

Preferably, one end of the drawing screw extending into the bearing is provided with a drawing screw hook head, the drawing screw hook head extends into a dismantling hole of the bearing sealing cover, and the bearing sealing cover is dismantled along with the movement of the drawing screw.

Preferably, the draw screw hook head is rectangular and is vertically and fixedly arranged at the end part of the draw screw.

Preferably, the rectangular drawing screw hook head and the drawing screw are eccentrically arranged.

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

the bearing seal cover dismounting device is arranged at the top of the tool in a manner that the bearing for dismounting the seal cover is arranged, the seal cover can be pulled out through a pulling bolt on one side, the inner part of the bearing cannot be damaged in the whole process, and meanwhile, the bearing seal cover dismounting device is high in speed and simple to operate.

Drawings

FIG. 1 is a schematic view of a bearing seal cap removal device according to the present utility model for removing a bearing seal cap;

FIG. 2 is a partial schematic view of the bearing seal cap removal device of the present utility model for removing a bearing seal cap;

FIG. 3 is a schematic view of a bearing seal cover dismounting device provided by the utility model;

FIG. 4 is a schematic structural view of a seal cap drawing seat provided by the utility model;

FIG. 5 is an elevation view of the drawing screw provided by the present utility model;

fig. 6 is a side view of a drawing screw provided by the present utility model.

In the figure: 1. a seal cover drawing seat; 2. drawing a screw; 3. drawing a nut; 10. an outer ring; 20. an inner ring; 30. a bearing seal cover; 101. a first step; 102. a second step; 103. a through hole; 201. and drawing the screw hook head.

Detailed Description

The utility model is described in further detail below with reference to the attached drawings and specific examples. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

Examples

The utility model provides a bearing seal cover dismounting device, please refer to fig. 1-3, comprising: the sealing cover drawing seat 1, wherein two side surfaces of the sealing cover drawing seat 1 respectively lean against the side walls of an outer ring 10 and an inner ring 20 of the bearing; the drawing screw rod 2 penetrates through the sealing cover drawing seat 1 and extends into the bearing hooking bearing sealing cover 30; and the drawing nut 3 is arranged on one side, far away from the bearing, of the sealing cover drawing seat 1 and is in threaded connection with the drawing screw rod 2, and the drawing screw rod 2 can be driven to move along the axis by screwing the drawing nut 3.

Specifically, referring to fig. 4, a seal cap drawing seat 1 of the bearing seal cap dismounting device is provided with a first step 101, and the first step 101 abuts against the side wall and the end face of a bearing outer ring 10; and the first step 101 is an arc-shaped groove formed to fit the outer ring 10 of the bearing.

Further, a second step 102 is provided on the other side of the seal cap drawing seat 1 opposite to the first step 101, the second step 102 abuts against the side wall and the end face of the bearing inner ring 20, and the second step 102 is an arc groove provided to adapt to the bearing inner ring 20.

Specifically, referring to fig. 4, the seal cap drawing seat 1 is provided with a through hole 103 therethrough for the drawing screw 2 to pass through and move along the through hole 103.

Further, referring to fig. 5 and 6, a drawing screw hook 201 is disposed at an end of the drawing screw 2 extending into the bearing, the drawing screw hook 201 extends into the removing hole of the bearing seal cover 30, and the bearing seal cover 30 is removed along with the movement of the drawing screw 2.

In some embodiments, the drawing screw hook 201 is rectangular, and is vertically fixed at the end of the drawing screw 2, and the rectangular drawing screw hook 201 and the drawing screw 2 are eccentrically disposed, so that a larger drawing force can be provided after the drawing screw hook 201 extends into the dismounting hole of the bearing seal cover 30.

When the sealing cover is used, the sealing cover drawing seat 1 is firstly placed on the end surfaces of the outer ring and the inner ring of the bearing, the drawing screw rod 2 passes through the sealing cover drawing seat, the drawing screw rod hook head 201 is inserted into the bearing sealing cover 30 dismantling hole, after the steps are finished, the spanner is used for clockwise rotating the drawing nut 3, at the moment, the drawing screw rod 2 can move upwards, and the bearing sealing cover 30 is pulled out together with the drawing screw rod hook head 201.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims

1. A bearing seal cover dismounting device, characterized by comprising:

the sealing cover drawing seat (1), wherein two side surfaces of the sealing cover drawing seat (1) respectively lean against the side walls of an outer ring (10) and an inner ring (20) of the bearing;

the drawing screw rod (2) penetrates through the sealing cover drawing seat (1) and stretches into the bearing hooking bearing sealing cover (30);

and the drawing nut (3) is arranged on one side, far away from the bearing, of the sealing cover drawing seat (1) and is in threaded connection with the drawing screw (2), and the drawing screw (2) can be driven to move along the axis by screwing the drawing nut (3).

2. The bearing seal cover dismounting device according to claim 1, characterized in that the seal cover drawing seat (1) is provided with a first step (101), and the first step (101) abuts against the side wall and the end face of the bearing outer ring (10).

3. A bearing seal cover dismounting apparatus as claimed in claim 2, characterized in that the first step (101) is an open arc-shaped groove to fit the outer ring (10) of the bearing.

4. The bearing seal cover dismounting device according to claim 1, characterized in that the seal cover drawing seat (1) is provided with a second step (102), and the second step (102) abuts against the side wall and the end face of the bearing inner ring (20).

5. A bearing seal cover dismounting apparatus as claimed in claim 4, characterized in that the second step (102) is an open arc-shaped groove to fit the inner ring (20) of the bearing.

6. A bearing seal cap dismounting device as claimed in claim 1, wherein the seal cap drawing seat (1) is provided with a through hole (103) therethrough for the drawing screw (2) to pass through and move along the through hole (103).

7. A bearing seal cap removal device according to claim 1, characterized in that the end of the drawing screw (2) extending into the bearing is provided with a drawing screw hook (201), the drawing screw hook (201) extending into the removal hole of the bearing seal cap (30) and removing the bearing seal cap (30) with the movement of the drawing screw (2).

8. The bearing seal cover dismounting device as claimed in claim 7, wherein the drawing screw hook head (201) is rectangular and is vertically fixed at the end of the drawing screw (2).

9. A bearing seal cap removal apparatus as claimed in claim 8, wherein said rectangular-shaped draw screw hook (201) is disposed eccentrically to said draw screw (2).