CN210589072U

CN210589072U - Bearing puller

Info

Publication number: CN210589072U
Application number: CN201921477716.5U
Authority: CN
Inventors: 黄远东
Original assignee: Shenzhen Besita Technology Co ltd
Current assignee: Shenzhen Besita Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-05-22
Anticipated expiration: 2029-09-02

Abstract

The utility model provides a bearing draws horse, it is including drawing the subassembly and drawing the horse subassembly, draw the subassembly and draw horse subassembly fixed connection, draw the horse subassembly to include that at least two draw horse foot and return means, return means draws horse foot fixed connection with at least two, at least two draw the horse foot to be used for the solid bearing of card, return means is used for making the horse foot of drawing after the rotation to reply home position. The bearing puller is characterized in that the puller foot is fixedly connected with the return device, the puller foot is matched with the return device to be fixed at a preset position, and meanwhile, the return device can enable the puller foot to be stressed more uniformly and grasp the bearing more stably.

Description

Bearing puller

[ technical field ] A method for producing a semiconductor device

The utility model relates to a mechanical maintenance tool field, in particular to bearing draws horse.

[ background of the invention ]

Bearing pullers are frequently used tools in mechanical maintenance. The bearing is mainly used for axially detaching a damaged bearing from a shaft and can be used as an internal or external puller.

But the shortcoming that the bearing can not be effectively dismantled exists in the use in current bearing puller, when dismantling the inner bearing, because draw the horse foot atress inhomogeneous, hardly guarantee to act on the bearing simultaneously for the convenience greatly reduced that the bearing puller used.

[ Utility model ] content

In order to overcome the problem that present horse can not effectively dismantle the bearing, the utility model provides a bearing draws horse.

The utility model solves the technical problem, and the technical scheme is as follows: a bearing puller comprises a pulling assembly and a puller assembly, wherein the pulling assembly is fixedly connected with the puller assembly, the puller assembly comprises at least two puller feet and a return device, the return device is fixedly connected with the at least two puller feet, the at least two puller feet are used for clamping and fixing a bearing, and the return device is used for returning the rotated puller feet to the original position.

Preferably, the return device is provided with a spring, and the return device enables the puller foot to be kept at a fixed position through the elastic force of the spring.

Preferably, the puller assembly comprises a first shell and a second shell, the first shell is fixedly connected with the second shell, the first shell and the second shell are buckled to form a cavity, and the return device is arranged in the cavity.

Preferably, the puller assembly further comprises a fixing column, and the fixing column is arranged on the arc side surface of the second shell.

Preferably, the puller foot is positioned on the fixed column, and the puller foot can rotate around the fixed column.

Preferably, draw the subassembly including the pull rod, draw the hammer and strike the platform, the pull rod with strike a platform fixed connection, the pull rod runs through and draws the hammer setting, it is portable on the pull rod to draw the hammer.

Preferably, the drawing hammer is used for providing impact force, and the knocking table is used for bearing the impact of the drawing hammer so as to provide acting force for the drawing assembly to be far away from the drawing horse assembly.

Preferably, the drawing hammer is detachably connected with the drawing rod, and the drawing hammer can be detached from the drawing rod.

Preferably, the drawing assembly further comprises a fixing piece, the fixing piece is arranged on the position, close to the drawing rod, of the knocking table, and the fixing piece is used for fixing the knocking table on the drawing rod.

Preferably, the drawing assembly and the puller assembly are fixedly connected by any one or a combination of a clamping fixing mode, a thread fixing mode and a welding fixing mode.

Compared with the prior art, the utility model provides a pair of clean face appearance has following advantage:

1. the bearing puller is characterized in that the puller foot is fixedly connected with the return device, the puller foot is matched with the return device to be fixed at a preset position, and meanwhile, the return device can enable the puller foot to be stressed more uniformly and grasp the bearing more stably.

2. The return device is provided with a spring, the puller foot is better stabilized at a fixed position by the acting force of the spring, and meanwhile, the puller foot is stressed more uniformly when clamped on the bearing, and meanwhile, the stability is higher.

3. The puller foot surrounds the fixed column to rotate, so that the puller foot can rotate relatively or rotate oppositely, and meanwhile, the fixed column is arranged on the arc side surface of the second shell, so that the puller foot is positioned on the second shell, and the bearing is conveniently clamped and fixed by the puller.

4. Drawing the subassembly and removing on drawing the pole through drawing the hammer, having the constant speed striking strike the platform, for strike the platform and provide to the direction of keeping away from drawing the horse subassembly for strike the platform and can drive the bearing and draw the horse to remove, and remove the bearing, can make the bearing dismantled under vibrations, avoid the bearing to be damaged.

5. The fixing piece is arranged at the position where the knocking platform is connected with the drawing rod, the knocking platform can be fixed at any position of the drawing rod by the fixing piece, so that the moving distance of the drawing hammer is changed, the force of the drawing hammer impacting the knocking platform is changed, and a user can use the bearing to draw a horse more conveniently.

6. Draw the hammer and can dismantle with the pull rod and be connected, make draw the hammer and can follow the pull rod and dismantle, the user can change the weight of drawing the hammer of placing according to the dynamics of current needs for the user draws the weight of hammer and then controls the dynamics that the hammer strikeed the pull rod through changing currently, makes the bearing puller's practicality higher.

The above is only a preferred embodiment of the present invention, and should not be limited to the present invention, and any modifications, equivalent replacements, and improvements made within the principle of the present invention should be included in the protection scope of the present invention.

[ description of the drawings ]

Fig. 1 is a schematic view of an overall structure of a bearing puller according to a first embodiment of the present invention;

FIG. 2 is a schematic view of the overall construction of the bearing;

fig. 3 is a schematic view of a connection structure of a drawing assembly of a bearing puller according to a first embodiment of the present invention;

fig. 4 is a diagram illustrating a state of use of a drawing hammer of a bearing puller according to a first embodiment of the present invention;

fig. 5 is an exploded schematic view of a puller assembly of a bearing puller according to a first embodiment of the present invention;

fig. 6 is a usage status diagram of a bearing puller foot according to a first embodiment of the present invention.

Description of reference numerals:

1. pulling a bearing;

11. a drawing assembly; 12. a puller assembly; 111. drawing hammer; 112. pulling the rod; 113. a knocking table; 114. a fixing member; 121. a return device; 122. a first housing; 123. a second housing; 124. a horse foot is drawn; 125. fixing a column;

2. a bearing; 21. an inner ring; 22. an outer ring; 23. and a rolling body.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, a first embodiment of the present invention provides a bearing puller 1 for pulling out a bearing 2 on a machine, including a pulling assembly 11 and a puller assembly 12, where the pulling assembly 11 is fixedly connected to the puller assembly 12, the pulling assembly 11 is used to provide a pulling force, and the puller assembly 12 is used to be fastened on the bearing.

It can be understood that the bearing 2 includes an inner ring 21, an outer ring 22 and rolling elements 23, the inner ring 21 and the outer ring 22 are concentrically arranged and connected to form a receiving groove, the rolling elements 23 are received in the receiving groove, and the inner ring 21 and the outer ring 22 relatively rotate under the rolling of the rolling elements 23, so that the bearing 2 can support rotating components and reduce friction between the rotating components.

Optionally, the drawing assembly 11 and the puller assembly 12 are fixedly connected by any one or more combinations including, but not limited to, a snap-fit fixing manner, a thread fixing manner, and a welding fixing manner.

Referring to fig. 2, the drawing assembly 11 includes a drawing hammer 111, a drawing rod 112 and a striking table 113, the drawing rod 112 is disposed through the drawing hammer 111, the striking table 113 is disposed at an end of the drawing rod 112 away from the puller assembly 12, and the drawing hammer 111 can move on the drawing rod 112.

It will be appreciated that the hammer 111 may impact the striking table 113 along the draw bar 112, thereby generating a force.

It is understood that, as shown in fig. 3, the drawing hammer 111 may strike the striking table 113 at a certain speed and repeatedly move toward the striking table 113 and strike, and the drawing hammer 111 provides a force to the striking table 113 in a direction in which the drawing rod 112 approaches the striking table 113, so that the striking table 113 obtains a force away from the puller assembly 12, and the striking table 113 moves.

Referring to fig. 4 and 5, the puller assembly 12 includes a return device 121, a first housing 122, a second housing 123, at least two puller feet 124 and a fixing column 125. The first shell 122 is fixedly connected with the second shell 123, the first shell 122 is buckled on the second shell 123 to form a cavity, the return device 121 is arranged in the cavity, the second shell 123 is provided with a fixing column 125, the fixing column 125 is fixed on the arc-shaped side surface of the second shell 123, the puller foot 124 is positioned on the arc-shaped side surface of the second shell 123 through the fixing column 125, the puller foot 124 is fixedly connected with the return device 121, the puller foot 124 is used for being clamped on the outer ring 22 of the bearing 2, and the return device 121 is used for enabling the puller foot 124 to tightly grasp the bearing 2.

The puller feet 124 can rotate on the fixing column 125, so that the puller feet 124 can rotate toward the first casing 122 in opposite directions, and simultaneously, the puller feet 124 can rotate away from the first casing 122 in opposite directions, respectively, and a spring is arranged in the return device 121, so that the moved puller feet 124 can be returned to an original position under the action of the spring.

It can be understood that, by rotating around the fixing column 125, the puller foot 124 can be folded towards the direction close to the first housing 122, and can be placed on the outer ring 22 of the bearing 2, the return device 121 returns the puller foot 124 to the original position, and the puller foot 124 is clamped on the bearing 2 by the elastic force of the spring of the return device 121, so that the puller foot 124 is stressed more uniformly, and the puller foot 124 is ensured to grasp the bearing 2 more firmly.

Puller assembly 12 with draw subassembly 11 fixed connection, draw pole 112 with second casing 123 fixed connection, puller assembly 12 is kept away from one side of first casing 122 through draw pole 112 fixed connection in puller assembly 12's second casing 123, draw subassembly 11 and strike the effort that platform 113 brought through drawing hammer 111 for draw subassembly 11 drives puller assembly 12, thereby remove bearing 2.

As a variation, the drawing assembly 11 is provided with a fixing member 114, the fixing member 114 is disposed at a position of the knocking stage 113 close to the drawing rod 112, and the fixing member 114 enables a user to draw the bearing 2 better by fixing the knocking stage 113.

It can be understood that the fixing member 114 can fix the knocking platform 113 at any position of the pulling rod 112, and the user can adjust the position of the fixing member 114 according to the moving distance of the bearing 2 required currently, so that the moving distance of the pulling hammer 111 is changed, the force of the pulling hammer 111 striking the knocking platform 113 is changed, the force of the user striking the knocking platform 113 can be controlled, and the bearing puller 1 is more convenient to use and has stronger operability.

As a variation, the drawing hammer 111 can be detached from the drawing rod 112, and the user can replace the drawing hammer 111 according to the current force impacting the striking table 113, so that the user can more easily control the force of the drawing hammer 111 impacting the striking table 113 by replacing the drawing hammer 111 with different quality.

The utility model provides a bearing draws horse 1's use as follows:

the user puts the puller foot 124 into the side of the outer ring 22 of the bearing 2 close to the inner ring 21, the puller assembly 11 is driven by the striking table 113 to move by the puller hammer 111 from the end of the puller rod 112 close to the puller assembly 12 to the striking table 113 and strikes the striking table 113 at a certain speed, the puller assembly 11 is driven by the striking table 113 to move, meanwhile, the bearing 2 is driven to move by the puller assembly 12, so that the bearing 2 is disassembled, and the user unloads the bearing puller 1 from the bearing 2 by closing the puller foot 124, thereby completing the whole process of unloading the bearing 2.

The user can adjust the position of the fixing part 114 on the drawing assembly 11, the moving length of the drawing hammer 111 is correspondingly changed by fixing the position of the knocking platform 113, the moving distance can be changed according to the currently required force, when small impact force is required, the moving distance of the drawing hammer 111 can be reduced, and when large impact force is required, the moving distance of the drawing hammer 111 can be increased.

Compared with the prior art, the utility model provides a pair of bearing draws horse 1 has following advantage:

1. the puller foot 124 of the bearing puller 1 is fixedly connected with the return device 121, the puller foot 124 can be fixed at a preset position by matching the return device 121 with the puller foot 124, and meanwhile, the return device 121 can enable the puller foot 124 to be stressed more uniformly and grasp the bearing 2 more stably.

2. The return device 121 is provided with a spring, so that the puller foot 124 is better stabilized at a fixed position by the acting force of the spring, and meanwhile, the puller foot 124 is stressed more uniformly when being clamped and fixed on the bearing 2, and meanwhile, the stability is higher.

3. The puller foot 124 rotates around the fixing post 125, so that the puller foot 124 can rotate relatively or oppositely, and the fixing post 125 is arranged on the arc-shaped side surface of the second shell 123, so that the puller foot 124 is positioned on the second shell 123, and the bearing puller 1 is convenient to clamp and fix the bearing 2.

4. The drawing assembly 11 moves on the drawing rod 112 through the drawing hammer 111, strikes the knocking table 113 at a certain speed, provides a direction far away from the puller assembly 12 for the knocking table 113, so that the knocking table 113 can drive the bearing puller 1 to move, the bearing 2 is moved, the bearing 2 can be detached under vibration, and the bearing 2 is prevented from being damaged.

5. The fixing part 114 is arranged at the position where the knocking platform 113 is connected with the drawing rod 112, and the knocking platform 113 can be fixed at any position of the drawing rod 112 by the fixing part 114, so that the moving distance of the drawing hammer 111 is changed, the force of the drawing hammer 111 impacting the knocking platform 113 is changed, and a user can use the bearing puller 1 more conveniently.

6. Draw hammer 111 and draw bar 112 can dismantle and be connected, make draw hammer 111 can follow draw bar 112 and dismantle, the weight of the hammer 111 that draws that the user can place according to the dynamics change that needs at present for the user is through changing the weight of drawing hammer 111 and then control the dynamics that present hammer 111 strikes draw bar 112, makes the practicality of bearing puller 1 higher.

Claims

1. A bearing puller is characterized in that: the drawing assembly is fixedly connected with the drawing assembly, the drawing assembly comprises at least two drawing feet and a return device, the return device is fixedly connected with the at least two drawing feet, the at least two drawing feet are used for clamping and fixing a bearing, and the return device is used for enabling the rotated drawing feet to return to original positions.

2. A bearing puller as set forth in claim 1, wherein: the return device is provided with a spring, and the return device enables the puller foot to be kept at a fixed position under the elastic force action of the spring.

3. A bearing puller as set forth in claim 1, wherein: the puller component comprises a first shell and a second shell, the first shell is fixedly connected with the second shell, the first shell and the second shell are buckled to form a cavity, and the return device is arranged in the cavity.

4. A bearing puller as set forth in claim 1, wherein: the puller component further comprises a fixing column, and the fixing column is arranged on the arc side surface of the second shell.

5. The bearing puller of claim 4, wherein: the puller foot is positioned on the fixing column and can rotate around the fixing column.

6. A bearing puller as set forth in claim 1, wherein: draw the subassembly including the pull rod, draw the hammer and strike the platform, the pull rod with strike a platform fixed connection, the pull rod runs through and draws the hammer setting, it is portable on the pull rod to draw the hammer.

7. The bearing puller of claim 6, wherein: the drawing hammer is used for providing impact force, and the knocking table is used for bearing the impact of the drawing hammer so as to provide acting force for keeping the drawing assembly away from the puller assembly.

8. The bearing puller of claim 6, wherein: the drawing hammer is detachably connected with the drawing rod, and the drawing hammer can be detached from the drawing rod.

9. A bearing puller as set forth in claim 1, wherein: the drawing assembly further comprises a fixing piece, the fixing piece is arranged on the position, close to the drawing rod, of the knocking table, and the fixing piece is used for fixing the knocking table on the drawing rod.

10. A bearing puller as set forth in any one of claims 1-9, wherein: the drawing assembly and the puller assembly are fixedly connected in any one or a plurality of combinations of clamping fixing mode, thread fixing mode and welding fixing mode.