CN219337599U

CN219337599U - Bearing dismounting device

Info

Publication number: CN219337599U
Application number: CN202320266904.3U
Authority: CN
Inventors: 崔作明; 王兴周; 辛玉红; 王信富; 王化群
Original assignee: Luzhong Reserve Shandong Grain & Oil Storage Co ltd
Current assignee: Luzhong Reserve Shandong Grain & Oil Storage Co ltd
Priority date: 2023-02-17
Filing date: 2023-02-17
Publication date: 2023-07-14
Anticipated expiration: 2033-02-17

Abstract

The utility model is applicable to the technical field of bearing dismounting equipment, and provides a bearing dismounting device, which comprises: the base is provided with a plurality of stress pieces outside; the fixed sleeve is sleeved outside the original shaft, one ends of the stress pieces are connected with the base, the other ends of the stress pieces are connected with the fixed sleeve, a bearing is arranged between the fixed sleeve and the base on the original shaft, and after the fixed sleeve is fixed, the bottom surface of the fixed sleeve is tightly attached to the top surface of the inner ring of the bearing; the telescopic piece is arranged between the fixed sleeve and the base, one end of the telescopic piece is connected with the top surface of the base, and the other end of the telescopic piece is abutted to the bottom of the original shaft, so that the telescopic piece is arranged between the base and the clamping sleeve, the force during disassembly is guaranteed through the telescopic piece, meanwhile, the plug with the edge diameter is arranged, the telescopic piece is suitable for disassembly of bearings with different sizes, meanwhile, the telescopic device is light in weight, can be moved at any time and can be manually moved for a certain angle, is suitable for different adaptation environments, the universality of the telescopic device is improved, and the manufacturing cost of equipment is reduced.

Description

Bearing dismounting device

Technical Field

The utility model relates to the technical field of bearing dismounting equipment, in particular to a bearing dismounting device.

Background

The bearing is an important part in modern mechanical equipment, and is mainly used for supporting a mechanical rotating body and guaranteeing the rotation precision of the mechanical rotating body, and because the inner rings of most bearings and the original shaft are in an interference fit mode in the prior art, when the bearings are required to be detached from the original shaft, the inner rings of the bearings are difficult to detach, bearing assembly and disassembly problems of different types are frequently encountered in the fields of machinery, electronics, automobiles, assembly, maintenance processing and the like, the pull code of the traditional bearing dismounting device is difficult to fix when the small bearings are detached, and deformation and scrapping of the bearings are easily caused when the small bearings are detached.

Patent number is CN 202022630715.9's patent discloses a bearing frame dismounting device, this bearing frame dismounting device, utilize cooperation between screw rod, installation piece, threaded rod, kicking block, briquetting and the lock nut to realize the in-process that the bearing frame was dismantled blockking spacing to the bearing outer lane, prevent that the pulling force effect from causing the damage of bearing, and the briquetting can change according to the size of bearing, the device suitability is relatively poor, can not change according to the position of former axle, can only dismantle the bearing again after dismantling the former axle when dismantling the bearing, the service scenario of device has been restricted.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

Aiming at the defects, the utility model aims to provide the bearing dismounting device, which can ensure the dismounting force through the telescopic piece by arranging the telescopic piece between the base and the clamping sleeve, and simultaneously is provided with the plug with the edge diameter, so that the bearing dismounting device is suitable for dismounting bearings with different sizes, is lighter in weight, can be moved at any time and can be manually moved for a certain angle, is suitable for different adaptation environments, increases the universality of the device, and reduces the manufacturing cost of equipment.

In order to achieve the above object, the present utility model provides a bearing dismounting device including: the base is provided with a plurality of stress pieces outside; the fixed sleeve is sleeved outside the original shaft, one ends of the stress pieces are connected with the base, the other ends of the stress pieces are connected with the fixed sleeve, a bearing is arranged between the fixed sleeve and the base on the original shaft, and after the fixed sleeve is fixed, the bottom surface of the fixed sleeve is clung to the top surface of the inner ring of the bearing; the telescopic piece is arranged between the fixed sleeve and the base, one end of the telescopic piece is connected with the top surface of the base, and the other end of the telescopic piece is abutted to the bottom of the original shaft.

According to the bearing dismounting device disclosed by the utility model, the telescopic piece is an air cylinder, an electric cylinder or a jack, a threaded hole is formed in the end part of the output end of the telescopic piece, a plug is detachably connected in the threaded hole, one end, far away from the telescopic piece, of the plug is abutted to the end part of the original shaft, and meanwhile, the plug can extend into the inner ring of the bearing.

According to the bearing dismounting device, the stress piece is in soft connection, and the stress piece is a chain, a rope or a belt.

According to the bearing dismounting device disclosed by the utility model, the top surface of the base is provided with the positioning protrusion, the bottom of the telescopic piece is provided with the groove matched with the positioning protrusion for positioning, and the telescopic piece is detachably connected to the top surface of the base.

According to the bearing dismounting device disclosed by the utility model, the fixing sleeve comprises two detachable semicircular structures, the two semicircular structures are connected through the fixing bolt, the fixing seat is arranged outside the fixing sleeve, and one end of the stress piece is fixedly arranged on or rotationally connected with the fixing seat.

According to the bearing dismounting device disclosed by the utility model, at least three stressed pieces are arranged, the outer wall of the fixed seat is uniformly provided with the connecting seats which are arranged corresponding to the stressed pieces, and one end, far away from the fixed sleeve, of each stressed piece is connected with the connecting seats.

According to the bearing dismounting device disclosed by the utility model, the stressed piece is hard-connected, and the stressed piece adopts a fixed rod.

The utility model provides a bearing dismounting device, comprising: the base is provided with a plurality of stressed pieces outside, and the telescopic pieces are ensured to be installed through the base; the fixed sleeve is sleeved outside the original shaft, one ends of the stress pieces are connected with the base, the other ends of the stress pieces are connected with the fixed sleeve, the base and the fixed sleeve are far away from each other through the telescopic piece when the bearing is detached, the bearing is detached from the original shaft through the bottom of the fixed sleeve, the bearing is arranged between the fixed sleeve and the base on the original shaft, after the fixed sleeve is fixed, the bottom surface of the fixed sleeve is tightly attached to the top surface of the inner ring of the bearing, when the telescopic piece pushes against the end part of the original shaft, the fixed sleeve can exert a force on the inner ring of the bearing, the acting force of the fixed sleeve is prevented from acting on the outer ring of the bearing to separate the inner ring and the outer ring of the bearing, and the inner ring of the bearing cannot be detached from the original shaft; the telescopic piece is arranged between the fixed sleeve and the base, one end of the telescopic piece is connected with the top surface of the base, the other end of the telescopic piece is abutted to the bottom of the original shaft, one end of the telescopic piece is abutted to the base, the other end of the telescopic piece is abutted to the end part of the original shaft, then the telescopic piece is stretched to pull down the fixed sleeve, and the pull-down force of the fixed sleeve acts on the bearing, so that the bearing is dismounted.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial cross-sectional structure of the present utility model;

FIG. 3 is an enlarged schematic view of the portion A in FIG. 2;

FIG. 4 is a schematic perspective view of a base of the present utility model;

FIG. 5 is a schematic perspective view of a plug according to the present utility model;

in the figure, 1-base, 11-connecting seat, 12-location arch, 2-atress spare, 3-expansion piece, 4-output, 5-fixed cover, 6-former axle, 7-fixing bolt, 8-bearing, 9-top, 91-atress portion, 92-spiro union portion.

Detailed Description

For the purpose of making apparent the objects, technical solutions and advantages of the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and examples, it being understood that the specific examples described herein are for illustration only and are not intended to limit the present utility model.

Referring to fig. 1, 2 and 3, the utility model provides a bearing dismounting device, which comprises a base 1, wherein a plurality of stress pieces 2 are arranged outside the base 1, and the mounting of a telescopic piece 3 is ensured through the base 1; the fixed sleeve 5 is sleeved outside the primary shaft 6, one ends of the stress pieces 2 are connected with the base 1, the other ends of the stress pieces 2 are connected with the fixed sleeve 5, the base 1 and the fixed sleeve 5 are kept away from each other through the telescopic piece 3 when the bearing 8 is detached, the bearing 8 is detached from the primary shaft 6 through the bottom of the fixed sleeve 5, the bearing 8 is arranged between the fixed sleeve 5 and the base 1 on the primary shaft 6, after the fixed sleeve 5 is fixed, the bottom surface of the fixed sleeve 5 is tightly attached to the top surface of the inner ring of the bearing 8, so that when the telescopic piece 3 pushes against the end part of the primary shaft 6, the fixed sleeve 5 can exert a force on the inner ring of the bearing 8, the inner ring and the outer ring of the bearing 8 are prevented from being separated by the force of the fixed sleeve 5, and the inner ring of the bearing 8 cannot be detached from the primary shaft 6; the telescopic part 3, it set up in between fixed cover 5 and the base 1, the one end of telescopic part 3 with the top surface of base 1 is connected, the other end butt in the bottom of former axle 6, support base 1 through telescopic part 3 one end, the other end supports the tip of former axle 6, then telescopic part 3 extends, will fix the cover 5 drop-down, and the pull-down of fixed cover 5 acts on bearing 8 to dismantle bearing 8.

Referring to fig. 1, 2 and 5, it is preferable that the telescopic member 3 of the present utility model is a cylinder, an electric cylinder or a jack, so that the cost of the device can be reduced, the jack, especially the hydraulic jack, is used to increase the cost of the device when the cylinder or the electric cylinder is added, the end of the output end 4 of the telescopic member 3 is provided with a threaded hole, a plug 9 is detachably connected to the inside of the threaded hole, the plug 9 is matched with the threaded hole through a threaded connection portion 92, when the primary shafts 6 with different diameters are detached, the plug 9 is replaced, the primary shafts 6 with different sizes are adapted, so that the universality of the device is increased, one end of the plug 9 away from the telescopic member 3 is abutted to the end of the primary shaft 6, and meanwhile, the stress portion 91 of the plug 9 can extend into the inner ring of the bearing 8, so as to ensure the detachment and separation of the bearing 8 and the primary shaft 6.

In addition, the stress piece 2 of the utility model can adopt soft connection, the stress piece 2 adopts a chain or a rope or a belt, and also can adopt a hard connection structure, such as a fixed rod and other structures, and by arranging the soft connection, the fixed sleeve 5 and the base 1 can be randomly placed when the device is not applicable, the storage of the device is realized, and the structure of the device during installation can be optimized by adopting the hard connection structure, so that the device is more convenient and quicker during installation.

Referring to fig. 1, 2 and 4, further, the top surface of the base 1 of the present utility model is provided with a positioning protrusion 12, the bottom of the telescopic member 3 is provided with a groove matched with the positioning protrusion 12 for positioning, the telescopic member 3 is detachably connected to the top surface of the base 1, the fixing sleeve 5 includes two detachable semicircular structures, the two semicircular structures are connected through a fixing bolt 7, a fixing seat is provided outside the fixing sleeve 5, and one end of the stress member 2 is fixedly arranged on or rotatably connected to the fixing seat.

Better, the stress piece 2 is at least provided with three, by arranging three stress pieces, the stability of the pulling force of the fixed sleeve 5 is ensured, the stress deviation of the fixed sleeve 5 is prevented, the subsequent disassembly operation is influenced, the connecting seat 11 which is correspondingly arranged with the stress piece 2 is uniformly arranged on the outer wall of the fixed seat, one end of the stress piece 2 far away from the fixed sleeve 5 is connected with the connecting seat 11, the connection between the base 1 and the fixed sleeve 5 and the stress piece 2 is ensured, and the stress piece 2 and the base 1 and the fixed sleeve 5 are prevented from falling off.

In this embodiment, in conjunction with fig. 1 to 5, when in use, the fixing sleeve 5 is firstly fixed on the top of the bearing 8 of the primary shaft 6 through the fixing bolt 7, then the telescopic piece 3 is placed on the base 1 through the positioning protrusion 12, a proper plug 9 is installed on the top of the telescopic piece 3, then the stress part 91 of the plug 9 is propped against the end of the primary shaft 6, the telescopic piece 3 is driven to stretch out, then the primary shaft 6 is propped against one end far away from the base 1, then the bottom surface of the fixing sleeve 5 acts on the inner ring of the bearing 8, then the fixing sleeve 5 pulls down the bearing 8 under the action of stretching out the telescopic piece 3, the bearing 8 is pulled down under the stress and is separated from the primary shaft 6, and the telescopic piece 3 is arranged into a jack, so that the cost of the device is reduced, the device is convenient to install and carry, meanwhile, the base 1 can swing, the bearing 8 is adapted to different positions of the primary shaft 6, and the universality of disassembling of the bearing 8 is realized.

In summary, the present utility model provides a bearing dismounting device, including: the base is provided with a plurality of stressed pieces outside, and the telescopic pieces are ensured to be installed through the base; the fixed sleeve is sleeved outside the original shaft, one ends of the stress pieces are connected with the base, the other ends of the stress pieces are connected with the fixed sleeve, the base and the fixed sleeve are far away from each other through the telescopic piece when the bearing is detached, the bearing is detached from the original shaft through the bottom of the fixed sleeve, the bearing is arranged between the fixed sleeve and the base on the original shaft, after the fixed sleeve is fixed, the bottom surface of the fixed sleeve is tightly attached to the top surface of the inner ring of the bearing, when the telescopic piece pushes against the end part of the original shaft, the fixed sleeve can exert a force on the inner ring of the bearing, the acting force of the fixed sleeve is prevented from acting on the outer ring of the bearing to separate the inner ring and the outer ring of the bearing, and the inner ring of the bearing cannot be detached from the original shaft; the telescopic piece is arranged between the fixed sleeve and the base, one end of the telescopic piece is connected with the top surface of the base, the other end of the telescopic piece is abutted to the bottom of the original shaft, one end of the telescopic piece is abutted to the base, the other end of the telescopic piece is abutted to the end part of the original shaft, then the telescopic piece is stretched to pull down the fixed sleeve, and the pull-down force of the fixed sleeve acts on the bearing, so that the bearing is dismounted.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model, as will be apparent to those skilled in the art, without departing from the spirit and scope of the utility model as defined in the appended claims.

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.

Claims

1. A bearing removal apparatus, comprising:

the base is provided with a plurality of stress pieces outside;

the fixed sleeve is sleeved outside the original shaft, one ends of the stress pieces are connected with the base, the other ends of the stress pieces are connected with the fixed sleeve, a bearing is arranged between the fixed sleeve and the base on the original shaft, and after the fixed sleeve is fixed, the bottom surface of the fixed sleeve is clung to the top surface of the inner ring of the bearing;

the telescopic piece is arranged between the fixed sleeve and the base, one end of the telescopic piece is connected with the top surface of the base, and the other end of the telescopic piece is abutted to the bottom of the original shaft.

2. The bearing dismounting device according to claim 1, wherein the telescopic member is a cylinder, an electric cylinder or a jack, a threaded hole is formed in an end portion of an output end of the telescopic member, a plug is detachably connected to an inside of the threaded hole, one end of the plug away from the telescopic member is abutted to an end portion of the primary shaft, and the plug can extend to an inside of an inner ring of the bearing.

3. The bearing removal apparatus of claim 1, wherein the force receiving member is a flexible connection and the force receiving member is a chain or a rope or a belt.

4. The bearing dismounting device according to claim 2, wherein the top surface of the base is provided with a positioning protrusion, the bottom of the telescopic member is provided with a groove matched with the positioning protrusion for positioning, and the telescopic member is detachably connected to the top surface of the base.

5. The bearing dismounting device according to claim 1, wherein the fixing sleeve comprises two detachable semicircular structures, the two semicircular structures are connected through fixing bolts, a fixing seat is arranged outside the fixing sleeve, and one end of the stress piece is fixedly arranged on or rotationally connected to the fixing seat.

6. The bearing dismounting device according to claim 5, wherein at least three stress members are provided, connecting seats corresponding to the stress members are uniformly provided on the outer wall of the fixing base, and one end of the stress member away from the fixing sleeve is connected with the connecting seats.

7. A bearing removal apparatus as claimed in claim 3, wherein the force-bearing member is a hard-joint and the force-bearing member is a fixed rod.