CN218904228U

CN218904228U - Main gear bearing outer ring pulling device

Info

Publication number: CN218904228U
Application number: CN202223127137.2U
Authority: CN
Inventors: 张文涛; 黄涛
Original assignee: Zhengzhou Jiangdong Auto Parts Co ltd
Current assignee: Zhengzhou Jiangdong Auto Parts Co ltd
Priority date: 2022-11-24
Filing date: 2022-11-24
Publication date: 2023-04-25
Anticipated expiration: 2032-11-24

Abstract

The utility model discloses a main gear bearing outer ring pulling and installing device which comprises a shell reduction and a pulling and installing mechanism, wherein the pulling and installing mechanism is installed at the bottom of the shell reduction, an inner bearing outer ring and an outer bearing outer ring are arranged on the inner side of the shell reduction, the pulling and installing mechanism comprises a base, a positioning column is arranged in the middle of the base, an inner bearing pressure head corresponding to the inner bearing outer ring is arranged on the upper part of the positioning column, an outer bearing pressure head corresponding to the outer bearing outer ring is arranged on the lower part of the positioning column, a pull head is arranged on the top of the positioning column, and an end lock is arranged below the pull head. According to the utility model, the bearing outer ring can be conveniently installed in place through the pull-mounting mechanism, the operation is convenient and quick, and the assembly efficiency of the main tooth bearing outer ring can be effectively improved.

Description

Main gear bearing outer ring pulling device

Technical Field

The utility model relates to the technical field of pull-mounting devices, in particular to a main tooth bearing outer ring pull-mounting device.

Background

When the front main speed reducer of the automobile is produced and assembled, a bearing is required to be installed on the reduction housing for installing a gear shaft, and the main gear bearing is required to be installed in place on the outer ring of the bearing during installation. The existing press-fitting mode is generally adopted, special press-fitting equipment is needed, the structure is complex, the press-fitting efficiency is low, and the assembly efficiency is affected. Therefore, a device convenient for installing the main tooth bearing outer ring is required to be designed, so that the bearing outer ring is conveniently and rapidly installed in place, and the assembly efficiency is improved.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a main tooth bearing outer ring pulling device.

The aim of the utility model is achieved by the following technical scheme: the utility model provides a main tooth bearing outer lane pull-mounting device, includes subtracts shell and pull-mounting mechanism, pull-mounting mechanism installs in the bottom of subtracting the shell, the inboard of subtracting the shell is equipped with interior bearing outer lane and outer bearing outer lane, and pull-mounting mechanism includes the base, and the middle part of base is equipped with the reference column, and reference column upper portion is equipped with the interior bearing pressure head that corresponds with interior bearing outer lane, and the reference column lower part is equipped with the outer bearing pressure head that corresponds with outer bearing outer lane, and the top of reference column is equipped with the pull head, and the below of pull head is equipped with the end lock.

The further technical scheme is that the upper end of the positioning column is provided with a notch, and the end lock corresponds to the notch.

The further technical scheme is that the inner bearing pressure head is sleeved outside the positioning column, and the top width of the inner bearing pressure head is larger than the bottom width.

The further technical scheme is that the bottom of the outer bearing pressure head is connected with the base, and the width of the top of the outer bearing pressure head is smaller than that of the bottom.

The further technical scheme is that the contact surfaces between the inner bearing pressure head and the inner bearing outer ring and the contact surfaces between the outer bearing pressure head and the outer bearing outer ring are inclined planes.

The utility model has the following advantages:

(1) According to the utility model, the pull-mounting mechanism is arranged, so that the inner bearing pressure head and the outer bearing pressure head respectively correspond to the inner bearing outer ring and the outer bearing outer ring, and the bearing outer ring is mounted in place through the pull head and the end lock, and the pull-mounting mode is more convenient and quick, is convenient to operate, and effectively improves the assembly efficiency.

(2) According to the utility model, the notch is arranged, so that the installation of the end lock is facilitated; the bearing pressing head can conveniently press the bearing outer ring in place through the pull-mounting by arranging the contact surface of the inclined surface; the inner bearing outer ring and the outer bearing outer ring are convenient to install simultaneously through the symmetrical arrangement of the inner bearing pressure heads and the outer bearing pressure heads.

Drawings

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

fig. 2 is a partial enlarged view at a in fig. 1.

In the figure, 1, shell reduction; 2. a base; 3. positioning columns; 4. an outer bearing ram; 5. an outer bearing outer race; 6. an inner bearing ram; 7. an inner bearing outer ring; 8. an end lock; 9. a pull head.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 2, a main tooth bearing outer ring pulling and installing device comprises a shell reduction 1 and a pulling and installing mechanism, wherein the bearing outer ring in the shell reduction 1 is installed in place through the pulling and installing mechanism, the pulling and installing mechanism is installed at the bottom of the shell reduction 1, the inner side of the shell reduction 1 is provided with an inner bearing outer ring 7 and an outer bearing outer ring 5, the pulling and installing mechanism comprises a base 2 for supporting the device, the middle part of the base 2 is provided with a positioning column 3, the positioning column 3 is vertically arranged and is positioned between the bearing outer rings, the upper part of the positioning column 3 is provided with an inner bearing pressure head 6 corresponding to the inner bearing outer ring 7 for installing the inner bearing outer ring 7, the lower part of the positioning column 3 is provided with an outer bearing pressure head 4 corresponding to the outer bearing outer ring 5 for extruding the outer bearing outer ring 5 in place, the top of the positioning column 3 is provided with a pull head 9, the lower part of the pull head 9 is provided with an end lock 8, the bottom of the pull head 9 contacts the top of the end lock 8, and the bearing outer ring is pushed by pulling the end lock 8.

In this embodiment, the upper end of the positioning column 3 is provided with a notch, and the end lock 8 corresponds to the notch, so that the installation of the end lock 8 is facilitated.

In this embodiment, the inner bearing pressing head 6 is sleeved outside the positioning column 3, and the top width of the inner bearing pressing head 6 is larger than the bottom width, so that the inner bearing pressing head 6 can conveniently extrude the inner bearing outer ring 7 from top to bottom.

In this embodiment, the bottom of the outer bearing pressure head 4 is connected with the base 2, and the top width of the outer bearing pressure head 4 is smaller than the bottom width, so that the outer bearing pressure head 4 can conveniently extrude the outer bearing outer ring 5 from bottom to top.

In this embodiment, the contact surfaces between the inner bearing ram 6 and the inner bearing outer ring 7, and between the outer bearing ram 4 and the outer bearing outer ring 5 are all inclined surfaces.

The implementation principle of the utility model is as follows: the utility model provides a main tooth bearing outer ring pulling device, which is characterized in that when in use, an outer bearing pressing head 4 and an outer bearing outer ring 5 are firstly placed, a shell reduction 1 is placed downwards, an inner bearing outer ring 7 and an inner bearing pressing head 6 are placed, finally an end lock 8 is placed for pulling, the inner bearing pressing head 6 and the outer bearing pressing head 4 are pushed by pulling the end lock 8, the inner bearing outer ring 7 and the outer bearing outer ring 5 are extruded along inclined planes, and the main tooth bearing outer ring is extruded in place. The utility model can conveniently mount the bearing outer ring in place through the pull-mounting mechanism, is more practical and quick, is convenient to operate, and can effectively improve the assembly efficiency of the main tooth bearing outer ring.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a main tooth bearing outer lane draws dress device, includes subtracts shell (1) and draws dress mechanism, its characterized in that: the utility model provides a draw installation mechanism to install in subtracting the bottom of shell (1), the inboard that subtracts shell (1) is equipped with interior bearing outer lane (7) and outer bearing outer lane (5), draw installation mechanism including base (2), the middle part of base (2) is equipped with reference column (3), reference column (3) upper portion is equipped with interior bearing pressure head (6) that correspond with interior bearing outer lane (7), reference column (3) lower part is equipped with outer bearing pressure head (4) that correspond with outer bearing outer lane (5), the top of reference column (3) is equipped with pull head (9), the below of pull head (9) is equipped with end lock (8).

2. The main tooth bearing outer race pull-in apparatus of claim 1, wherein: the upper end of the positioning column (3) is provided with a notch, and the end lock (8) corresponds to the notch.

3. The main tooth bearing outer race pull-in apparatus of claim 1, wherein: the inner bearing pressure head (6) is sleeved outside the positioning column (3), and the top width of the inner bearing pressure head (6) is larger than the bottom width.

4. The main tooth bearing outer race pull-in apparatus of claim 1, wherein: the bottom of the outer bearing pressure head (4) is connected with the base (2), and the top width of the outer bearing pressure head (4) is smaller than the bottom width.

5. The main tooth bearing outer race pull-in apparatus of claim 1, wherein: the contact surfaces between the inner bearing pressing head (6) and the inner bearing outer ring (7) and the contact surfaces between the outer bearing pressing head (4) and the outer bearing outer ring (5) are inclined planes.