Bearing disassembling and assembling tool

Abstract

The utility model discloses a bearing disassembling and assembling tool, which relates to the field of tools and comprises a base, a positioning cylinder and an inserting plate. The positioning cylinder is fixed in the middle of the base, the positioning cylinder is provided with a central cavity, a plurality of types of limiting units are arranged on the inner wall of the positioning cylinder, each type of limiting unit comprises a plurality of slots with the same type, and the lengths of the slots with different types are different; a plurality of insertion plates of the same model are jointly used for being arranged corresponding to the limiting units of one model, the insertion plates are inserted into the insertion grooves of the limiting units of the corresponding models in a one-to-one correspondence mode, the insertion plates extend into the center cavity from the corresponding insertion grooves, and the end faces of the insertion plates are inserted into the limiting units of the corresponding models. A limiting area is defined by all the end faces; and the shaft is vertically inserted into the limiting area. The bearing dismounting device has the beneficial effects that when the bearing is dismounted from the shaft, only one worker is required to beat the bearing with a hammer or install a puller, so that the efficiency is high, and the safety is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of frock, specifically, relate to a bearing dismounting frock. BACKGROUND

[0002] The shaft and the bearing are important parts in contemporary mechanical equipment, the bearing is sleeved on the outer periphery of the shaft, and is used for supporting the rotating part together.

[0003] When assembling the bearing on the shaft, usually one worker holds the shaft to make the shaft vertically set, and another worker places the bearing on the top of the shaft and knocks the bearing to the corresponding position on the shaft by a hammer; when disassembling the bearing from the shaft, usually one worker holds the shaft to make the shaft vertically set, and another worker installs a puller to disassemble the bearing by the puller; that is, when disassembling the bearing, two workers are generally needed to cooperate to operate, which is complicated and low in efficiency, and when disassembling the bearing, the worker holding the shaft is easy to be injured by the hammer, and the safety factor is low. CONTENT OF THE UTILITY MODEL

[0004] In order to overcome the problems of complicated operation, low efficiency and low safety factor when disassembling the bearing in the prior art.

[0005] The utility model provides a bearing dismounting frock, which comprises:

[0006] A base;

[0007] A positioning cylinder is fixedly installed at the middle position of the upper surface of the base, the middle part of the positioning cylinder is provided with a central cavity, the central cavity is through the upper end surface of the positioning cylinder, and the inner wall of the positioning cylinder is provided with a plurality of limiting units of different types corresponding to the central cavity, each type of the limiting unit comprises a plurality of insertion slots which are uniformly and equally spaced along the circumferential direction of the central cavity and are of the same type, each insertion slot vertically extends and is through the upper end surface of the positioning cylinder, and the lengths of the insertion slots of different types are different.

[0008] A plurality of insertion plates of the same type are used to correspond to the limiting unit of one type, each insertion plate is vertically arranged, the length of each insertion plate is not less than the length of the insertion slot of any type, each insertion plate is inserted into each insertion slot of the limiting unit of the corresponding type one by one, each insertion plate extends into the central cavity from the corresponding insertion slot by the same length, each insertion plate comprises an end surface which is arranged close to the central axis of the central cavity, and the end surfaces jointly form a limiting area.

[0009] The shaft is vertically inserted into the limiting area.

[0010] Preferably, the base is a disc-shaped base.

[0011] Preferably, a first groove is formed in a middle position of the upper surface of the base, and a second groove is formed in a middle position of the lower surface of the base.

[0012] The positioning cylinder is fixedly installed in the middle position of the first groove, and the outer diameter of the positioning cylinder is smaller than the inner diameter of the first groove.

[0013] Preferably, a first anti-skid structure is arranged on the outer periphery of the positioning cylinder.

[0014] Preferably, the height of each of the insertion plates is greater than the height of each of the insertion grooves.

[0015] Preferably, a second anti-skid structure is further arranged on the outer surface of the upper end of each of the insertion plates.

[0016] Preferably, a clamping strip is further fixed to the end of each of the insertion plates away from the central cavity, and the width of each of the clamping strips is greater than the width of each of the insertion plates.

[0017] A positioning groove is further formed in the positioning cylinder and corresponds to each of the insertion grooves, and the width of each of the positioning grooves is greater than the width of each of the insertion grooves, and each of the positioning grooves is in communication with the upper end surface of the positioning cylinder and is used for inserting the positioning strip.

[0018] Preferably, the positioning cylinder is made of iron.

[0019] A magnet layer is embedded in the upper and lower ends of each of the insertion plates, and each of the insertion plates is magnetically attached to the bottom of the corresponding insertion groove.

[0020] Beneficial effects:

[0021] The beneficial effects of the technical scheme of the present application are as follows:

[0022] (1) The positioning cylinder is fixedly installed in the middle position of the upper surface of the base, the base enables the tooling to be stably placed on the ground, the middle part of the positioning cylinder is provided with a central cavity, the central cavity is in communication with the upper end surface of the positioning cylinder, and the central cavity is used for inserting the shaft so as to vertically arrange the shaft, without the need for a worker to hold the shaft, when the bearing is disassembled or installed on the shaft, only one worker is needed to knock the bearing with a hammer or install a puller, which is high in efficiency and good in safety.

[0023] (2) the inner wall of the positioning cylinder is provided with a plurality of types of limiting units corresponding to the central cavity, each type of limiting unit includes a plurality of insertion slots of the same type uniformly and spaced apart along the circumference of the central cavity, each insertion slot vertically extends and penetrates the upper end surface of the positioning cylinder, the lengths of the insertion slots of different types are different, the lengths of the same insertion plate inserted into the insertion slots of different types from the central cavity are different, the insertion plate can be inserted into the insertion slot of the corresponding type of limiting unit according to the outer diameter of the shaft, and the application range is wide.

[0024] (3) a plurality of insertion plates of the same type are used for the limiting unit of the corresponding type, each insertion plate is vertically arranged, the length of each insertion plate is not less than the length of any type of insertion slot, each insertion plate is inserted into each insertion slot of the corresponding type of limiting unit one by one, each insertion plate extends into the central cavity from the corresponding insertion slot by the same length, each insertion plate includes an end surface arranged close to the central axis of the central cavity, each end surface jointly encloses a limiting area, and the shaft is vertically inserted into the limiting area of the corresponding size, so that the shaft is prevented from shaking. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0026] Figure 1 It is a top view of the bearing dismounting tool of the present application, wherein the insertion plate is arranged in the limiting unit of the first type;

[0027] Figure 2 It is a top view of the bearing dismounting tool of the present application, wherein the insertion plate is arranged in the limiting unit of the second type;

[0028] Figure 3 It is a top view of the bearing dismounting tool of the present application, wherein the insertion plate is arranged in the limiting unit of the third type;

[0029] Figure 4 It is a side view of the bearing dismounting tool of the present application;

[0030] Figure 5 It is a sectional view of the bearing dismounting tool of the present application, excluding the insertion plate;

[0031] Figure 6 It is a sectional view of the bearing dismounting tool of the present application;

[0032] Figure 7 Structure diagram of the plugboard of the utility model is shown in the figure;

[0033] In the figure:

[0034] 1-base, 101-first groove, 102-second groove, 2-positioning cylinder, 201-center cavity, 3-limiting unit, 3a-first type, 3b-second type, 3c-third type, 301-slot, 302-positioning groove, 4-plugboard, 401-clamp strip. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in the following with reference to the drawings in the utility model embodiment. Obviously, the described embodiment is a part of the embodiment of the utility model, rather than all the embodiments. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.

[0036] Please refer to Figures 1 to 7The embodiment provides a bearing dismounting and mounting tool which comprises a base 1, a positioning cylinder 2 and a plurality of plug plates 4 of the same type, the positioning cylinder 2 is fixedly installed at the middle position of the upper surface of the base 1, the base 1 enables the tool to be stably placed on the ground, the middle part of the positioning cylinder 2 is provided with a central cavity 201 which is in communication with the upper end surface of the positioning cylinder 2, the central cavity 201 is used for cooperating with a shaft to be inserted, so that the shaft is vertically arranged, and a worker does not need to hold the shaft when dismounting and mounting bearings on the shaft, only one worker needs to knock the bearings or install a puller, so that the efficiency is high and the safety is good; a plurality of limiting units 3 of different types are arranged on the inner wall of the positioning cylinder 2 and correspond to the central cavity 201, for example, a first type 3a, a second type 3b and a third type 3c are shown in the figure, each type of the limiting unit 3 comprises at least three plug slots 301 which are uniformly and spacedly distributed along the circumference of the central cavity 201 and are of the same type, each plug slot 301 vertically extends and is in communication with the upper end surface of the positioning cylinder 2, the lengths of the plug slots 301 of different types are different, for example, the length of the plug slot 301 of the first type 3a is greater than that of the second type 3b, and the length of the plug slot 301 of the second type 3b is greater than that of the third type 3c, so that the lengths of the plug plates 4 inserted into the central cavity 201 from the plug slots 301 of different types are different, and the plug plates 4 can be inserted into the plug slots 301 of the limiting unit 3 of the corresponding type according to the outer diameter of the shaft; at least three plug plates 4 of the same type are used for corresponding to the limiting unit 3 of one type, each plug plate 4 is vertically arranged, the length of each plug plate 4 is not less than the length of any type of the plug slot 301, for example, the length of the plug plate 4 is equal to the length of the plug slot 301 of the first type 3a, the length of the plug plate 4 is greater than the length of the plug slot 301 of the second type 3b, and the length of the plug plate 4 is greater than the length of the plug slot 301 of the third type 3c, each plug plate 4 corresponds to the length of each plug slot 301 of the limiting unit 3 of the corresponding type and extends into the central cavity 201 from the corresponding plug slot 301 by the same length, each plug plate 4 comprises an end surface which is arranged close to the central axis of the central cavity 201, each end surface jointly encloses a limiting area, for example, the limiting area enclosed by the plug plate 4 arranged in the plug slot 301 of the first type 3a is greater than the limiting area enclosed by the plug plate 4 arranged in the plug slot 301 of the second type 3b, and the limiting area enclosed by the plug plate 4 arranged in the plug slot 301 of the second type 3b is greater than the limiting area enclosed by the plug plate 4 arranged in the plug slot 301 of the third type 3c, so that the shaft is vertically inserted into the limiting area of the corresponding size, and the shaft is prevented from shaking and has good stability.

[0037] As a preferred embodiment, the base 1 is a disc-shaped base 1. A first recess 101 is formed in the middle of the upper surface of the base 1, and a second recess 102 is formed in the middle of the lower surface of the base 1. The positioning cylinder 2 is fixedly installed in the middle of the first recess 101, and the outer diameter of the positioning cylinder 2 is smaller than the inner diameter of the first recess 101, so that the base 1 is more stable when placed on the ground and is not easy to be overturned during use.

[0038] As a preferred embodiment, the outer periphery of the positioning cylinder 2 is provided with a first anti-skid structure, which can be anti-skid lines, to facilitate the transfer of the tooling.

[0039] As a preferred embodiment, the height of each plug-in plate 4 is greater than the height of each insertion slot 301. The outer surface of the upper end of each plug-in plate 4 is further provided with a second anti-skid structure, which can be anti-skid lines, to facilitate the pulling out of the plug-in plate 4 from the insertion slot 301.

[0040] As a preferred embodiment, the end of each plug-in plate 4 away from the central cavity 201 is further fixed with a clamping strip 401, and the width of each clamping strip 401 is greater than the width of each plug-in plate 4. The positioning cylinder 2 is further provided with a positioning slot 302 corresponding to each insertion slot 301 and penetrating through the positioning cylinder 2. The width of each positioning slot 302 is greater than the width of each insertion slot 301, and each positioning slot 302 penetrates through the upper end surface of the positioning cylinder 2 and is used for cooperating with the positioning strip to be inserted, so as to avoid the movement of the plug-in plate 4 in the insertion slot 301.

[0041] As a preferred embodiment, the positioning cylinder 2 is made of iron. The upper and lower ends of each plug-in plate 4 are respectively embedded with a magnet layer, and each plug-in plate 4 is magnetically attached to the bottom of the corresponding insertion slot 301, so as to avoid the falling off of the plug-in plate 4 from the insertion slot 301 due to the overturning of the tooling when not in use.

[0042] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A bearing dismounting tool, characterized in that, It includes: Base; Positioning cylinder, fixedly installed in the middle position of the upper surface of the base, the middle part of the positioning cylinder is provided with a central cavity, the central cavity is through the upper end surface of the positioning cylinder, the inner wall of the positioning cylinder is provided with a plurality of types of limiting units corresponding to the central cavity, each type of limiting unit includes a plurality of insertion slots of the same type uniformly distributed along the circumference of the central cavity, each insertion slot extends vertically and is through the upper end surface of the positioning cylinder, and the lengths of the insertion slots of different types are different; A plurality of insertion plates of the same type are commonly used for the limiting unit of one type, each insertion plate is vertically arranged, the length of each insertion plate is not less than the length of any type of insertion slot, each insertion plate is inserted into each insertion slot of the corresponding type of limiting unit, and each insertion plate extends into the central cavity from the corresponding insertion slot to the same length, each insertion plate includes an end face close to the central axis of the central cavity, and each end face surrounds a limiting area; Wherein, the shaft is vertically inserted into the limiting area.

2. The bearing dismounting tool of claim 1, wherein: The base is a disc-shaped base.

3. The bearing dismounting tool of claim 2, wherein: A first groove is formed in the middle position of the upper surface of the base, and a second groove is formed in the middle position of the lower surface of the base; Wherein, the positioning cylinder is fixedly installed in the middle position of the first groove, and the outer diameter of the positioning cylinder is smaller than the inner diameter of the first groove.

4. The bearing dismounting tool of claim 3, wherein: A first anti-slip structure is arranged on the outer periphery of the positioning cylinder.

5. The bearing dismounting tool of claim 4, wherein: The height of each insertion plate is greater than the height of each insertion slot.

6. The bearing dismounting tool of claim 5, wherein: A second anti-slip structure is further arranged on the outer surface of the upper end of each insertion plate.

7. The bearing dismounting tool of claim 6, wherein: Each insertion plate is further fixed with a clamping strip at an end away from the central cavity, the width of each clamping strip is greater than the width of each insertion plate; The positioning cylinder is further provided with a positioning slot corresponding to each insertion slot and through the positioning cylinder, the width of each positioning slot is greater than the width of each insertion slot, and each positioning slot is through the upper end surface of the positioning cylinder and used for cooperating with the insertion of the clamping strip.

8. The bearing dismounting tool of claim 7, wherein: The positioning cylinder is made of iron; The upper and lower ends of each insertion plate are respectively embedded with a magnet layer, and each insertion plate is magnetically attached to the bottom of the corresponding insertion slot.

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