CN218747522U - Dismounting device for embedded bearing - Google Patents

Abstract

The utility model discloses a dismounting device for inserted bearing, its characterized in that: the method comprises the following steps: the lifting seat is arranged in the shell and is in sliding connection with the shell, and the lifting seat can perform lifting motion in the shell; the lifting seat is provided with a clamping mechanism which can clamp the inner hole of the bearing; the utility model has simple structure and convenient operation, only the clamping hook needs to be inserted into the bearing inner ring needing to be disassembled, and then the lifting seat and the clamping hook are driven to move upwards by rotating the rotating handle until the bearing is disassembled; this device can one-man operation, dismantles efficient effect.

Description

Dismounting device for embedded bearing

Technical Field

The utility model relates to a bearing dismounting device technical field specifically is a dismounting device for inserted bearing.

Background

In the mechanical maintenance process, a shaft on the equipment is often required to be disassembled, the disassembly of the bearing is generally divided into two types, one is to disassemble the bearing with the shaft length, and the mode of matching and knocking the sleeve and the copper bar is generally adopted; the other type is a bearing embedded in a hole, the prior art adopts a puller for disassembly, when the puller is used, a plurality of people are required to cooperate to complete disassembly work, the operation is complex, and a clamping jaw is easy to slip off from the bearing in the disassembly process and cannot achieve satisfactory effect all the time; in order to solve the above problems, a removing device for a mosaic bearing is proposed.

Disclosure of Invention

The utility model aims at solving the problem, a dismounting device for an embedded bearing is provided.

The utility model has the following concrete scheme: the dismounting device for the embedded bearing comprises a shell, wherein a lifting seat is arranged in the shell, the lifting seat is connected with the shell in a sliding manner, and the lifting seat can perform lifting motion in the shell; be equipped with fixture on the lift seat, fixture can the centre gripping bearing hole.

Preferably, be equipped with the slip chamber in the casing, the slip intracavity is located to the lift seat, lift seat upper end is equipped with the lift lead screw, the lift lead screw stretches out the casing, with the rotatory handle threaded connection of casing top.

Preferably, the lift seat center department is equipped with a spacing post, and the lift seat uses spacing post to be equipped with the draw-in groove of three equipartition as the center, fixture locates in the draw-in groove, fixture includes: the clamping hook, the clamping hook lower extreme is the hook-shaped structure that turns up, clamping hook middle part is articulated with the draw-in groove lateral wall, clamping hook upper portion is close to spacing post one side and is equipped with the spring, the spring is the outside perk of clamping hook lower extreme.

Preferably, the outer circumference of the lifting seat is symmetrically provided with at least one group of bulges, the corresponding position on the shell is provided with a guide groove matched with the bulges, and when the lifting seat performs lifting motion in the sliding cavity, the bulges slide in the guide groove along with the lifting seat.

Preferably, a rotating seat is arranged between the shell and the rotating handle, a thrust bearing is arranged in the rotating seat, the rotating handle is nested in the rotating seat and is rotatably connected with the rotating seat, and the bottom of the rotating handle is abutted to the pressure bearing.

Preferably, the rotating handle is a handle with three inclined upward angles, and the handles are evenly distributed.

The utility model discloses a theory of operation: the bearing is sleeved with the shell, the bearing is required to be detached, the bearing is wrapped in the bearing, the clamping hooks are aligned to the inner rings of the bearing, the rotating handle is rotated to enable the clamping hooks to move downwards, the clamping hooks penetrate through the inner rings of the bearing and hook the lower ends of the bearing under the action of the springs, at the moment, the rotating handle is rotated to drive the lifting screw rod to move upwards, and the lifting seat moves upwards along with the lifting screw rod until the bearing is detached from a workpiece.

The utility model discloses following beneficial effect has: the structure is simple, the operation is convenient, the clamping hook is only required to be inserted into the bearing inner ring to be disassembled, and the lifting seat and the clamping hook are driven to move upwards by rotating the rotating handle until the bearing is disassembled; the device can be operated by one person, and the disassembly efficiency is high.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic perspective view of the lifting base;

FIG. 3 is a schematic perspective view of the housing;

FIG. 4 is a schematic view of the connection between the lifting seat and the clamping hook;

in the figure: 1. a housing; 101. a guide groove; 2. a lifting seat; 201. a card slot; 202. a limiting column; 3. a clamping hook; 301. a spring; 302. a hook head; 4. a lifting screw rod; 5. a protrusion; 6. a rotating base; 7. a thrust bearing; 8. the handle is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, the dismounting device for the insert bearing includes: in the embodiment, in the shell diagram: 1 is a cylinder structure with an opening at the lower end; in the shell body diagram: 1 is equipped with lift seat 2 in, in lift seat 2 and the casing picture: 1, the surface of the lifting seat 2 is smooth, and the lifting seat 2 can be in a shell drawing: 1, lifting movement is carried out; be equipped with fixture on the lift seat 2, fixture can the centre gripping bearing hole. In this embodiment, in the housing diagram: 1, a sliding cavity is arranged in the lifting seat 2, and in the embodiment, the gap between the circumference of the lifting seat 2 and the sliding cavity is kept at 0.5-0.8 mm; lift seat 2 upper end is equipped with lift lead screw 4, lift lead screw 4 and lift seat 2 integrated into one piece, just lift lead screw 4 is coaxial with lift seat 2, lift lead screw 4 stretches out in the casing picture: 1, and in the shell body diagram: 1, a rotating handle above the handle is in threaded connection. Specifically, the lifting seat 2 is penetrated from the bottom, so that the lifting screw rod 4 is inserted from the shell body: the upper end of the bearing 1 is penetrated out, the rotary handle is in threaded connection with the lifting screw rod 4, the lifting seat 2 is driven to ascend by rotating the rotary handle, and therefore the bearing is pulled out from the embedded hole. Further, in this embodiment, 2 center departments of lift seat are equipped with a spacing post 202, and lift seat 2 uses spacing post 202 as the draw-in groove 201 that the center was equipped with three equipartition, fixture locates in draw-in groove 201, fixture includes: the clamping hook 3, the lower extreme of the clamping hook 3 is the hook-shaped structure that turns up, the middle part of the clamping hook 3 is hinged with the side wall of the clamping groove 201, a spring 301 is arranged on one side of the upper part of the clamping hook 3, which is close to the limiting column 202, and the spring 301 is the outward tilting of the lower end of the clamping hook 3. Specifically, all install a holding hook 3 in every draw-in groove 201, the gib head 302 portion of holding hook 3 is down, and the middle part of holding hook 3 is articulated through the round pin axle with the lateral wall of draw-in groove 201, is equipped with spring 301 on the upper portion of holding hook 3, spring 301 one end is connected with spacing post 202, and the other end is connected with holding hook 3, makes the gib head 302 portion of holding hook 3 take place to rotate for the pin joint when getting into the bearing inner race, after holding hook 3 passes the bearing hole, resets under spring 301's effect to catch on the bearing lower extreme. In this embodiment, at least one set of protrusions 5 is symmetrically disposed on the outer circumference of the lifting seat 2, and in the shell diagram: the corresponding position on 1 is equipped with the guide way 101 with protruding 5 matched with, when lift seat 2 was the elevating movement in the sliding chamber, protruding 5 slided in guide way 101 along with lift seat 2. Specifically, the protrusion 5 on the lifting seat 2 is matched with the guide groove 101, so that when the lifting seat 2 is lifted or lowered, the lifting seat is straight up and down along the axis, torsion cannot occur, and bearing damage is caused. In this embodiment, in the housing diagram: a rotating seat 6 is arranged between the rotating handle 1 and the rotating handle, a thrust bearing 7 is arranged in the rotating seat 6, the rotating handle is nested in the rotating seat 6 and is rotatably connected with the rotating seat, and the bottom of the rotating handle is abutted to the pressure bearing. Specifically, in the rotating handle and shell diagram: the thrust bearing 7 is additionally arranged between the two rotary handles 1, so that the rotation flexibility of the rotary handle is improved, and the overlarge friction force is prevented. Furthermore, the rotating handle is provided with three handles inclining upwards, and the handles are uniformly distributed. The utility model discloses a theory of operation: the shell is shown in the figure: 1 cover is in the outside that the bearing was dismantled to needs, is about to the bearing parcel wherein, aims at the inner circle of bearing with clamping hook 3 again, rotates rotatory handle and makes clamping hook 3 downstream, and after clamping hook 3 passed the bearing inner circle, under spring 301's effect, the hook portion that makes clamping hook 3 catches on the bearing lower extreme, and at this moment, rotates rotatory handle, will drive 4 upward movements of lift lead screw, and lift seat 2 is along with upward movement, until dismantling the bearing from the work piece.

Claims (6)

1. A dismounting device for inserted bearing, its characterized in that: the method comprises the following steps: the lifting seat is arranged in the shell and is in sliding connection with the shell, and the lifting seat can perform lifting motion in the shell; be equipped with fixture on the lift seat, fixture can the centre gripping bearing hole.

2. The dismounting device for the mosaic bearing of claim 1, wherein: the lifting mechanism is characterized in that a sliding cavity is formed in the shell, the lifting seat is arranged in the sliding cavity, a lifting screw rod is arranged at the upper end of the lifting seat, and the lifting screw rod extends out of the shell and is in threaded connection with a rotating handle above the shell.

3. The dismounting device for the mosaic bearing of claim 2, wherein: the lift seat center department is equipped with a spacing post, and the lift seat uses spacing post to be equipped with the draw-in groove of three equipartition as the center, fixture locates in the draw-in groove, fixture includes: the clamping hook, the clamping hook lower extreme is the hook-shaped structure that turns up, clamping hook middle part is articulated with the draw-in groove lateral wall, clamping hook upper portion is close to spacing post one side and is equipped with the spring, the spring is the outside perk of clamping hook lower extreme.

4. A dismounting device for mosaic bearings according to claim 3, wherein: at least one group of bulges are symmetrically arranged on the outer circumference of the lifting seat, guide grooves matched with the bulges are arranged at corresponding positions on the shell, and when the lifting seat is lifted in the sliding cavity, the bulges slide in the guide grooves along with the lifting seat.

5. The dismounting device for the mosaic bearing of claim 4, wherein: the rotary seat is arranged between the shell and the rotary handle, a thrust bearing is arranged in the rotary seat, the rotary handle is nested in the rotary seat and is rotatably connected with the rotary seat, and the bottom of the rotary handle is abutted against the pressure bearing.

6. The dismounting device for mosaic bearing of claim 5, characterized in that: the rotating handle is provided with three handles inclining upwards, and the handles are evenly distributed.

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