CN211759691U

CN211759691U - Bearing dismounting device

Info

Publication number: CN211759691U
Application number: CN202020442421.0U
Authority: CN
Inventors: 李振; 刘向阳; 岳文彩; 孙少杰; 张栋; 李传鹏
Original assignee: Shandong Energy Heavy Equipment Group Juli Equipment Co ltd
Current assignee: Shandong Energy Heavy Equipment Group Juli Equipment Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-27
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a bearing dismounting device, the device include the mount, the fixed supporting component who is used for the support bearing connecting axle and the action subassembly that is used for release bearing and bearing connecting axle that is provided with on the mount, the action subassembly is including being used for the card cover in the epaxial thrust plate of bearing connecting and connecting the thrust hydro-cylinder that is used for promoting thrust plate movable bearing and removes on the bearing connecting axle on the thrust plate, thrust hydro-cylinder fixed connection is on the mount. The device can effectively avoid the damage to the bearing and the bearing connecting shaft, and has the advantages of simple structure, convenient operation and low labor intensity.

Description

Bearing dismounting device

Technical Field

The utility model relates to a bearing dismantles technical field, especially relates to a bearing dismounting device.

Background

The roller of the belt conveyor for the coal mine is in an environment with serious coal dust pollution, and the coal dust enters the roller bearing seat through the dustproof sealing ring to cause lubricating oil pollution, so that the rotation resistance of the bearing is increased, and the temperature is increased. Meanwhile, coal dust enters the inside of the bearing to cause serious abrasion of the bearing inner ring, the rolling body and the raceway surface, and further the bearing fails.

When dismantling heavy cylinder bearing, the conventional method adopts flame heating, with the help of the influence of metal high temperature thermal expansion, then uses the bar copper hammering bearing inboard, but there is serious drawback in the operation process: firstly, the flame inevitably carries out annealing treatment on the roller shaft, so that the hardness of the roller shaft is reduced; secondly, the bearing is heated unevenly, stress points are unbalanced, and all parts of the bearing cannot move synchronously; thirdly, the labor intensity of the operator is great, and several people are needed to exchange the hammering in turn.

To the above-mentioned problem, put forward the utility model discloses specially.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bearing dismounting device, the device can effectively avoid the damage to bearing and bearing connecting axle to its simple structure, convenient operation, low in labor strength.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a bearing dismounting device, includes the mount, the fixed supporting component who is used for the support bearing connecting axle that is provided with on the mount and the action subassembly that is used for separating bearing and bearing connecting axle, the action subassembly including be used for the card sleeve in the bearing connecting epaxial thrust plate with connect in be used for promoting the thrust hydro-cylinder that the thrust plate moved bearing and removed on the bearing connecting axle on the thrust plate, thrust hydro-cylinder fixed connection in on the mount.

Preferably, the supporting assembly comprises a supporting oil cylinder and a top block connected with a piston rod of the supporting oil cylinder, and the supporting oil cylinder is fixedly connected to the fixing frame.

Preferably, the jacking block is hinged with the supporting oil cylinder.

Preferably, the number of the pushing oil cylinders is two, and the two pushing oil cylinders are distributed in a centrosymmetric manner by taking the bearing center as a symmetric center.

Preferably, the pushing oil cylinder is hinged with the pushing plate.

Preferably, the pushing plate comprises an upper clamping plate and a lower clamping plate which are detachably and fixedly connected, the butt joint edges of the upper clamping plate and the lower clamping plate are respectively provided with an opening which is used for being clamped and sleeved on the bearing connecting shaft, and the two openings are arranged oppositely.

Preferably, the opening is provided in a semicircular structure.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model provides a bearing dismounting device, the device includes detachable cutting ferrule in the epaxial thrust plate of bearing connecting, a thrust hydro-cylinder for withstanding the support cylinder of bearing connecting axle spindle nose and being used for stimulateeing the thrust plate removal, the bearing is at the support cylinder, the position of thrust hydro-cylinder is removed to thrust hydro-cylinder under the effect of thrust hydro-cylinder and thrust plate, until thrust plate releases the bearing connecting axle with the bearing, be about to bearing dismantlement from the bearing connecting axle, the device simple structure, high durability and convenient operation, low in labor strength, can be quick dismantle the bearing from the bearing connecting axle, effectively avoid dismantling the damage of process to bearing and bearing connecting axle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the bearing detaching device of the present invention.

Fig. 2 is a cross-sectional view of fig. 1A-a.

In the figure: the device comprises a pushing plate 1, an upper clamping plate 11, a lower clamping plate 12, an opening 13, a bearing 2, a pushing oil cylinder 3, a supporting oil cylinder 4, a jacking block 41, a fixing frame 5, a bearing connecting shaft 6 and a roller 7.

Detailed Description

The core of the utility model lies in providing a bearing dismounting device, the device can effectively avoid the damage to bearing and bearing connecting axle to its simple structure, convenient operation, low in labor strength.

In order to make the technical solution of the present invention better understood by those skilled in the art, the following description is given with reference to the accompanying drawings of the present invention for clear and complete description of the technical solution of the present invention. Based on the embodiments in the present application, other similar embodiments obtained by persons of ordinary skill in the art without any creative effort shall fall within the protection scope of the present application.

As shown in fig. 1 and 2, the bearing detaching device provided in this embodiment includes a fixing bracket 5 fixed to the ground by anchor bolts, a support assembly for supporting the bearing connecting shaft 6, and an actuating assembly for separating the bearing 2 from the bearing connecting shaft 6, wherein the support assembly cooperates with the actuating assembly to detach the bearing 2 from the bearing connecting shaft 6.

The action assembly comprises a push plate 1 and a push oil cylinder 3, the push plate 1 is used for being clamped on the bearing connecting shaft 6 in a sleeved mode, the push oil cylinder 3 is connected to the push plate 1 and used for pushing the push plate 1 to drive the bearing 2 to move on the bearing connecting shaft 6, the push plate 1 comprises an upper clamping plate 11 and a lower clamping plate 12 which are detachably and fixedly connected, openings 13 used for being clamped on the bearing 2 connecting shaft 6 in a sleeved mode are respectively arranged at the butt joint edges of the upper clamping plate 11 and the lower clamping plate 12, the openings 13 are of a semicircular structure, the two openings 13 are oppositely arranged to form a circle, the diameter of the circle is slightly larger than that of the bearing connecting shaft. The upper clamping plate 11 and the lower clamping plate 12 are connected through bolts and nuts, one connecting end of each clamping plate can be hinged, and the connecting end of the other end of each clamping plate is connected through bolts and nuts. The two pushing oil cylinders 3 are arranged in parallel and fixedly connected to the fixed frame 5, and the two pushing oil cylinders 3 are symmetrically distributed on the upper clamping plate 11 and the lower clamping plate 12 by taking the circle center of the opening 13 as a symmetric center, namely the two pushing oil cylinders 3 are symmetrically distributed by taking the center of the bearing 2 as the symmetric center.

Furthermore, two pushing oil cylinders 3 are hinged with the pushing plate 1 through pin shafts, so that the pushing oil cylinders 3 and the pushing plate 1 are convenient to detach, and the pushing plate 1 is convenient to clamp on the bearing connecting shaft 6 in a sleeving manner.

The supporting assembly comprises a supporting oil cylinder 4 and a top block 41 hinged with a piston rod of the supporting oil cylinder 4, the supporting oil cylinder 4 is fixedly connected to the fixed frame 5, the supporting oil cylinder 4 and the pushing oil cylinder 3 are arranged in parallel, and the direction of the piston rod is the same.

The device can be used for rapidly disassembling the bearing from the bearing connecting shaft when the roller bearing of the belt conveyor is disassembled, the damage to the bearing and the bearing connecting shaft in the disassembling process is effectively avoided, and the device is simple in structure, convenient to operate, low in labor intensity, convenient to produce and manufacture and low in production cost. When the device is used, firstly, the push plate 1 is installed on the bearing connecting shaft 6, the bearing 2 is located between the push plate 1 and the push oil cylinder 3, the piston rod of the support oil cylinder 4 is controlled to extend out to enable the ejector block 41 on the piston rod of the support oil cylinder 4 to be ejected on the shaft head of the bearing connecting shaft 6, the push oil cylinder 3 is controlled to contract to pull the push plate 1 to move towards the position of the push oil cylinder 3, the bearing 2 moves towards the position of the push oil cylinder 3 under the action of the push oil cylinder 3 and the push plate 1 until the push plate 1 pushes the bearing 2 out of the bearing 2 connecting shaft 6, and then the bearing 2 is detached from the bearing 2 connecting shaft 6.

When the device is used, the telescopic actions of the pushing oil cylinder 3 and the supporting oil cylinder 4 are respectively controlled, so that the stress balance of the pushing plate 1 is ensured, and under the pushing and pulling action forces of the supporting oil cylinder 4 and the pushing oil cylinder 3, the stress of the fixing frame 1 is smaller in the process of disassembling the bearing 2, and only a small amount of fixing is needed, namely, the fixing is carried out by adopting foundation bolts to fix the fixing frame on the bottom surface.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a bearing dismounting device, its characterized in that, includes the mount, the fixed supporting component who is used for the support bearing connecting axle that is provided with on the mount and the action subassembly that is used for release bearing and bearing connecting axle, the action subassembly including be used for the card cover in the epaxial thrust plate of bearing connecting with connect in be used for promoting on the thrust plate to take the thrust hydro-cylinder that the dynamic bearing of thrust plate removed on the bearing connecting axle, thrust hydro-cylinder fixed connection in on the mount.

2. The bearing dismounting device according to claim 1, wherein the support assembly comprises a support cylinder and a top block connected with a piston rod of the support cylinder, and the support cylinder is fixedly connected to the fixed frame.

3. The bearing removal apparatus of claim 2, wherein the top block is hinged to the support cylinder.

4. The bearing dismounting device according to claim 1, wherein the number of the push cylinders is two, and the two push cylinders are arranged in a central symmetry manner with the bearing center as a symmetry center.

5. The bearing dismounting device according to claim 1 or 4, wherein the push cylinder is hinged to the push plate.

6. The bearing dismounting device according to claim 1, wherein the pushing plate comprises an upper clamping plate and a lower clamping plate which are detachably and fixedly connected, wherein the abutting edges of the upper clamping plate and the lower clamping plate are respectively provided with an opening which is used for being clamped and sleeved on the bearing connecting shaft, and the two openings are oppositely arranged.

7. A bearing dismounting device according to claim 6, wherein the opening is provided in a semi-circular configuration.