CN220389280U - Bearing disassembly auxiliary tool - Google Patents

Abstract

The utility model relates to a bearing disassembly auxiliary tool which comprises a base, a support frame, a first fixing frame, a fixing rod, a support frame, a second fixing frame, a fixing plate, a disassembly rod, a spring, a nut, a driving plate, a fixing seat and a fixing ring.

Description

Bearing disassembly auxiliary tool

Technical Field

The utility model relates to the field of repair tools in the mechanical industry, in particular to an auxiliary tool for bearing disassembly.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process of the mechanical rotating body and ensuring the rotation precision of the mechanical rotating body, wherein the bearing assembly generally comprises an inner ring, an outer ring, rolling bodies and a retainer, the inner ring is generally matched with a shaft and is driven along with the shaft, when the rotating shaft in the bearing is tightly connected with the inner ring, the bearing is difficult to detach, when the bearing is required to be detached, a knocking method, a pulling method and the like are generally adopted, the knocking method is simple and easy to implement, but a shaft head is deformed, damaged or even scrapped, and the like, so that the bearing is easy to damage; the pull-out method needs special pulling tools, the stress condition of the pulling hook and the bearing is noted, the pulling hook and the bearing are not damaged, the pulling hook is prevented from slipping, the bearing with tighter connection is pulled to be fixed, and the bearing, the coupling, the belt pulley and the impeller which are very difficult to disassemble are difficult to disassemble.

Disclosure of Invention

In order to overcome the technical problems that the bearing, the coupling, the belt pulley and the impeller are difficult to detach and the bearing is easy to damage in the detaching process, the utility model provides the bearing detaching auxiliary tool which is simple in structure, the detaching tool is fixed through the fixing seat, the manual fixing of an operator is not needed, the labor is saved, an object to be detached is placed on the fixing frame, the detaching tool is used for pressing the driving plate, the driving plate drives the spring to compress, the detaching rod passes through the fixing ring to be in contact with the object to be detached, the shaft in the bearing, the coupling and other objects can be detached completely, the shaft and other objects are not damaged, the mechanical maintenance is convenient, the fixing plate can be taken out from the fixing frame when the object to be maintained is large in the detaching process, the object to be maintained is directly placed on the object to be maintained, and the device is time-saving and labor-saving.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a bearing dismantlement appurtenance, bearing dismantlement appurtenance includes base, support frame, first mount, dead lever, support, second mount, fixed plate, dismantlement pole, spring, nut, drive plate, fixing base and retainer plate, the perpendicular fixed connection in bottom of support frame is on the base, first mount is connected perpendicularly on the support frame, the top at the support frame is installed perpendicularly to the second mount, the dead lever is installed on first mount, the bottom fixed connection of support frame is on the base, the angle of connection between support bottom and the base is less than 80 degrees, the top fixed connection of support frame is on the top of support frame, the fixed plate is installed on the second mount, support and base are trapezium structure, the fixing base is installed on the fixed plate, the upper end of dismantlement pole passes the spring and passes on the drive plate through nut threaded connection, the retainer plate is passed to the bottom of dismantlement pole, retainer plate fixed mounting is between the fixed plate, the internal diameter of retainer plate is greater than the internal diameter of spring.

Furthermore, universal wheels are arranged below the base.

Further, a plurality of holes are formed in the first fixing frame, and the fixing rod penetrates through the holes in the first fixing frame through threads to be connected to the first fixing frame.

Furthermore, the fixing rods are two I-shaped steel bars which are arranged in parallel.

Further, the first fixing frame is arranged on the supporting frame through the clamping groove.

Further, a plurality of holes are formed in the second fixing frame, and the fixing plate penetrates through the holes in the second fixing frame through threads to be connected to the second fixing frame.

The utility model is characterized in that:

this bearing dismantles appurtenance simple structure, fixed appurtenance through the fixing base, place the object that needs to dismantle on the mount, utilize extracting tool to exert pressure on the drive plate, drive plate drive spring compression, the dismantlement pole passes the retainer plate and is contacted with the object of being dismantled, can dismantle the axle in the object such as bearing, shaft coupling intact, guarantee that axle and other articles are not damaged, be convenient for mechanical maintenance, when the article that needs to be maintained is great, can take out the fixed plate from the mount, directly place the dismantlement on the article that needs to be maintained.

Drawings

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

FIG. 2 is a cross-sectional view of a bearing according to the present utility model

FIG. 3 is a top view of a first mount according to the present utility model

Wherein, the reference numerals are as follows: the device comprises a 1-universal wheel, a 2-base, a 3-supporting frame, a 4-first fixing frame, a 5-bearing, a 51-rotating shaft, a 52-inner ring, 53-rolling bodies, a 54-outer ring, a 6-fixing rod, a 7-support, an 8-second fixing frame, a 9-fixing plate, a 10-dismounting rod, a 11-spring, a 12-nut, a 13-driving plate, a 14-hydraulic machine, a 15-fixing seat and a 16-fixing ring.

Description of the embodiments

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the structural schematic diagram of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1, the bearing disassembly auxiliary tool comprises a base 2, a support frame 3, a first fixing frame 4, a fixing rod 6, a bracket 7, a second fixing frame 8, a fixing plate 9, a disassembly rod 10, a spring 11, a nut 12, a driving plate 13, a fixing seat 15 and a fixing ring 16, wherein the base 2 is used for stabilizing the whole set of disassembly auxiliary tools, the support frame 3 is a support frame which is arranged in parallel in pairs and is used for stably supporting the disassembly auxiliary tools at a high place, the first fixing frame 4 is a fixing frame which is arranged in parallel, the first fixing frame 4 is used for fixing the fixing rod 6 at a proper position, the fixing rod 6 is two I-steel beams which are arranged in parallel and is used for supporting and placing the disassembly tools on the auxiliary tools, the disassembly is convenient, the bracket 7 is used for stabilizing the whole disassembly auxiliary tools, the second fixing frame 8 is two fixing frames which are arranged in parallel and used for supporting the fixing plate 9, the fixing plate 9 is used for fixing the supporting fixing seat 15, the disassembling rod 10 is used for disassembling an object to be disassembled, the spring 11 is convenient for restoring the driving plate 13 to the original position, the nut 12 is used for connecting the disassembling rod 10 on the driving plate 13, the driving plate 13 and the fixing seat 15 are used for placing the hydraulic press 14, an operator does not need to manually fix the hydraulic press 14, labor is saved, the fixing ring 16 is used for preventing the spring 11 from sliding downwards, the bottom end of the supporting frame 3 is vertically and fixedly connected on the base 2, the first fixing frame 4 is vertically connected on the supporting frame 3, the second fixing frame 8 is vertically arranged at the top end of the supporting frame 3, the fixing rod 6 is arranged on the first fixing frame 4, the bottom end of the supporting frame 7 is fixedly connected on the base 2, and the connecting angle between the bottom end of the supporting frame 7 and the base 2 is smaller than 80 degrees, the top fixed connection of support 7 is on the top of support frame 3, fixed plate 9 installs on second mount 8, support 7 and base 2 are trapezium structure for whole dismantlement appurtenance is more stable by heating, fixing base 15 installs on fixed plate 9, can move to the position of needs along with fixed plate 9, the upper end of dismantling pole 10 passes spring 11 and passes through nut 12 threaded connection on drive plate 13, can change the dismantlement pole of suitable length according to the bearing length of dismantling the object, the retainer plate 16 is passed to the bottom of dismantling pole 10, retainer plate 16 fixed mounting is between fixed plate 9, the internal diameter of retainer plate 16 is greater than the internal diameter of spring 11, can prevent spring 11 whereabouts, and the internal diameter of dismantling pole 10 is less than the internal diameter of spring 11, makes spring 11 can overlap to establish in the outside of dismantling pole 10, and dismantling pole 10 can pass retainer plate 16 jack-up the pivot that needs to dismantle.

Install universal wheel 1 under the base 2, can be with the convenient position that pushes away the pivot of dismantling of bearing appurtenance, be provided with a plurality of hole on the first mount 4, dead lever 6 passes the hole on the first mount 4 through the screw thread and connects on the first mount 4, can be according to the size of dismantling the object, install dead lever 6 on first mount 4 for can be placed on dead lever 6 by the dismantlement object, dead lever 6 is two parallel arrangement's I-steel, first mount 4 passes through the draw-in groove and installs on support frame 3 for the height of first mount 4 from the ground can be according to the height adjustment first mount 4 of being dismantled the object, be provided with a plurality of hole on the second mount 8, fixed plate 9 passes the hole on the second mount 8 through the screw thread and connects on second mount 8.

Examples

When the bearing to be disassembled is smaller, the distance between the fixed rods 6 is adjusted to be smaller than the diameter of the bearing 5 according to the diameter of the bearing 5, the fixed rods 6 are fixed on the first fixed frame 4 through small holes in the first fixed frame 4, the bearing 5 is placed on the fixed rods 6, the proper disassembly rod 10 is selected according to the length of the rotating shaft of the bearing 5, the disassembly rod 10 is installed on the driving plate 13 through the fixed ring 16 and the spring 11, the hydraulic machine 14 is placed on the driving plate 13, the hydraulic machine 14 is started, the hydraulic machine 14 starts to work, the driving plate 13 is pressed downwards, the driving plate 13 drives the disassembly rod 10 to move downwards, the bottom end of the disassembly rod 10 is contacted with the rotating shaft 51 of the bearing 5, the rotating shaft 51 is driven to move downwards, the rotating shaft 51 is pressed out of the inner ring 52 of the bearing by the hydraulic machine 14, the disassembling result of the bearing is achieved, the disassembled rotating shaft 51 cannot damage the shaft head in a deformation mode, even is scrapped, and a good disassembling effect is achieved.

Examples

When the equipment bearing that needs to dismantle is great, can dismantle fixed plate 9 from second mount 8, directly place fixed plate 9 on equipment, dismantle the pivot 51 that pole 10 aimed at on the equipment and dismantle the operation, convenient and easy to use.

To sum up, this bearing dismantlement appurtenance simple structure, fixed extracting tool through the fixing base, place the object that needs to dismantle on the mount, utilize extracting tool to exert pressure on the drive plate, drive plate drive spring compression, the dismantlement pole passes the retainer plate and is contacted with the object of being dismantled, can be intact dismantlement shaft in the object such as bearing, shaft coupling, guarantee that shaft and other articles are not damaged, the mechanical maintenance of being convenient for, when the article that needs to maintain is great, can take out the fixed plate from the mount, directly place dismantlement on the article that needs to maintain, labour saving and time saving.

It should be noted that the above description is only a preferred embodiment of the present utility model, and it will be apparent to those skilled in the art that the present utility model is not limited to the details of the above-described exemplary embodiment, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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.

Claims (6)

1. The utility model provides a bearing dismantlement appurtenance, its characterized in that, bearing dismantlement appurtenance includes base (2), support frame (3), first mount (4), dead lever (6), support (7), second mount (8), fixed plate (9), dismantlement pole (10), spring (11), nut (12), drive plate (13), fixing base (15) and retainer plate (16), the bottom vertical fixation of support frame (3) is connected on base (2), first mount (4) is connected on support frame (3) perpendicularly, second mount (8) is installed perpendicularly on the top of support frame (3), dead lever (6) are installed on first mount (4), the bottom fixed connection of support (7) is on base (2), the angle of connection between support (7) bottom and base (2) is less than 80 degrees, the top fixed connection of support (7) is on the top of support frame (3), fixed plate (9) are installed on second mount (8), support (7) and base (2) are trapezoidal structure, install on fixing base (15), the upper end of the disassembly rod (10) penetrates through the spring (11) to be connected onto the driving plate (13) through the nut (12) in a threaded mode, the bottom end of the disassembly rod (10) penetrates through the fixing ring (16), the fixing ring (16) is fixedly installed between the fixing plates (9), and the inner diameter of the fixing ring (16) is larger than that of the spring (11).

2. Bearing removal aid according to claim 1, characterized in that a universal wheel (1) is mounted under the base (2).

3. Bearing removal aid according to claim 1, characterized in that the first holder (4) is provided with holes, and the fixing rod (6) is connected to the first holder (4) by threading through the holes in the first holder (4).

4. A bearing removal aid according to claim 3, characterized in that the fixing bar (6) is two parallel-arranged i-beams.

5. Bearing removal aid according to claim 4, characterized in that the first holder (4) is mounted on the support frame (3) by means of a clamping groove.

6. Bearing removal aid according to claim 1, characterized in that the second holder (8) is provided with holes, and the fixing plate (9) is connected to the second holder (8) by threads through the holes in the second holder (8).