CN215281791U

CN215281791U - Bearing dismounting device

Info

Publication number: CN215281791U
Application number: CN202121627905.3U
Authority: CN
Inventors: 刘慧�
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-18
Filing date: 2021-07-18
Publication date: 2021-12-24
Anticipated expiration: 2031-07-18

Abstract

The utility model relates to a bearing dismounting device, including bed frame and extraction mechanism, extraction mechanism installs on the bed frame, extraction mechanism is including the double-screw bolt, revolve wrong piece, mounting and sleeve, the double-screw bolt has first end and second end, the opposite direction of first end and second end, first end is located the top of second end, revolve wrong piece and be located first serving, revolve wrong piece and double-screw bolt threaded connection, mounting and double-screw bolt threaded connection, the sleeve install in the second is served. The utility model discloses an extract mechanism can be under the prerequisite that need not destroy the bearing, no matter whether the bearing of this equipment is located the environment single face and is sealed, the space is limited or only the bearing inner race cover stays under the condition on the bearing frame, as long as can with the muffjoint on the bearing, just can extract the bearing steadily and dismantle through the setting of muffjoint on the bearing, it is convenient quick to dismantle the process, equipment uses simply, has greatly reduced the dismantlement degree of difficulty of bearing.

Description

Bearing dismounting device

Technical Field

The utility model relates to an equipment maintenance technical field, concretely relates to bearing dismounting device.

Background

The bearing is an indispensable accessory in mechanical equipment, can play a role in fixing and reducing load friction coefficient and the like, but when the bearing is disassembled in equipment maintenance, the bearing is often difficult to disassemble due to the fact that the bearing is closed on a single side of a bearing seat and limited by equipment space or only a bearing outer ring sleeve is left on the bearing seat when a bearing retainer is scattered, and the bearing cannot be stably taken out under the limited environment by the existing bearing disassembling tool, so that the bearing is often required to be directly damaged to achieve the purpose of taking out in the practical process.

Therefore, it is necessary to provide a bearing dismounting device which solves the above problems.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a bearing dismounting device.

The technical scheme is as follows:

the utility model provides a bearing dismounting device, includes the bed frame and extracts the mechanism, extract the mechanism and install on the bed frame, extract the mechanism including the double-screw bolt, revolve wrong piece, mounting and sleeve, the double-screw bolt has first end and second end, the opposite direction of first end and second end, first end is located the top of second end, revolve wrong piece and be located first serve, revolve wrong piece and double-screw bolt threaded connection, mounting and double-screw bolt threaded connection, the sleeve install in the second is served.

The principle of the bearing dismounting device is that, the sleeve installed at the second end of the stud is sleeved on the bearing to be dismounted, because the pulling-out mechanism is installed on the base frame, the reverse force borne by the pulling-out mechanism is borne by the base frame when the bearing is dismounted, therefore, the base frame is adjusted to the relative position capable of stabilizing the stress before the bearing is dismounted, the screwing piece on the first end is independently rotated during dismounting, and due to the effect of the screwing piece and the threaded connection of the fixing piece on the stud, the stud is rotated and upwards lifted, and then the second end of the stud drives the sleeve to upwards lift, so that the bearing is stably pulled out when the sleeve upwards lifts.

The pulling-out mechanism further comprises at least two locking pieces, and the locking pieces are circumferentially and discontinuously distributed on the sleeve.

When the sleeve is sleeved on the bearing, the sleeve and the bearing are sleeved by the locking piece to be locked, so that the sleeve is prevented from slipping and falling off when the bearing is pulled out, and the stability of the sleeve for pulling out the bearing is further improved.

The bottom of the sleeve is open, and the interior of the sleeve is hollow and forms a receiving cavity for receiving the bearing.

The open setting in sleeve bottom is emboliaed the bearing from the bottom of sleeve when the assembly is established to the cover, and then embolias the bearing on the hollow holding cavity of sleeve.

The retaining member is including conical head sliding pin and elastic component, the elastic component cover is located conical head sliding pin, the one end top of elastic component is in on the telescopic inner wall, the other end top of elastic component is on conical head sliding pin, retaining member quantity is three at least.

The setting of elastic component can make the smooth round pin of conical head have flexible function, and according to the bearing of different aperture sizes, the smooth round pin of conical head just can block the sleeve into with the bearing card through flexible to the messenger is applicable to more and dismantles the bearing of various sizes, makes bearing dismounting device's suitability can be more extensive.

The bed frame includes diaphragm and support column, the diaphragm is located the below of twisting the piece soon, the diaphragm is including middle part district and the tip district that is located middle part district both ends, the quantity of support column is at least two, and two adjacent support columns correspond respectively and install on the tip district at middle part district both ends, the double-screw bolt is installed in the middle part district, the position of double-screw bolt sets up between two adjacent support columns.

When the stud is pulled out, the stud is installed on the middle area, the stud is subjected to the reverse acting force of the bearing and is transmitted to the transverse plate, and the support columns are installed on the end areas at the two ends of the transverse plate, so that the reverse acting force is finally borne by the support columns.

The end area is provided with a positioning pin for preventing the support column from sliding outwards.

For the stability of assembly between reinforcing support column and the diaphragm, set up the condition that the locating pin can prevent that the support column from appearing skidding isotructure deformation when the atress from the tip district.

The cross-sectional width dimension of the middle region in the horizontal direction is larger than the cross-sectional width dimension of the end region in the horizontal direction.

The width size of the middle area is large, so that the middle area can bear larger reverse acting force when the bearing is pulled out, and the service life of the equipment is further prolonged.

The support column is provided with a mounting hole, the support column is mounted on the end part area through the mounting hole, the support column is provided with a first through groove and a second through groove, the first through groove is communicated with the mounting hole, and the second through groove is communicated with the mounting hole.

The bearing dismounting device further comprises a sliding part and a fixing element used for fixing the supporting column on the transverse plate, the sliding part comprises a spring, a marble and a sealing plug, one end of the spring abuts against the marble, the other end of the spring abuts against the sealing plug, the fixing element is arranged on the first through groove, and the sliding part is arranged on the second through groove.

When the two support columns are arranged on the end parts of the two ends of the transverse plate through the mounting holes, the support columns are fixed on the end parts through the fixing elements arranged on the first through grooves, and the stability of the support columns in supporting is further improved; because the factor of the restriction of bearing place equipment space size, when support column and diaphragm equipment, the support column can slide on the tip district of diaphragm, and then adjusts the distance between two support columns according to the space size, and the slider setting can increase the gliding convenience of support column on the tip district on the second runs through the groove.

The double-screw bolt is equipped with a plurality of and is the screw that circumference distributes the setting, the screw is located first end is last.

When the stud is pulled out or assembled, the stud is limited due to insufficient force, an external tool is inserted into the screw hole, and the stud is rotated through the lever principle, so that time and labor are saved.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect is:

the utility model discloses a bearing dismounting device, extract the mechanism and can be under the prerequisite that need not destroy the bearing, no matter whether the bearing of this equipment is located the environment single face and is sealed, the space is limited or only the bearing inner race cover stays under the condition on the bearing frame, as long as can with the muffjoint on the bearing, just can extract the bearing steadily and dismantle through the setting of muffjoint on the bearing, it is convenient quick to dismantle the process, equipment uses simply, has greatly reduced the dismantlement degree of difficulty of bearing.

Drawings

FIG. 1 is a front view of a bearing removing device according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of the cross plate of the embodiment of the present invention;

FIG. 3 is a cross-sectional structural view of a support column in an embodiment of the present invention;

FIG. 4 is a bottom view of the embodiment of the present invention with three locking members mounted on the sleeve;

FIG. 5 is a bottom view of the embodiment of the present invention with four locking members mounted on the sleeve;

FIG. 6 is a bottom view of the embodiment of the present invention with five locking members mounted on the sleeve;

FIG. 7 is a bottom view of an embodiment of the present invention with six locking members mounted on the sleeve;

FIG. 8 is a bottom view of the embodiment of the present invention with seven locking members mounted on the sleeve;

FIG. 9 is a bottom view of the embodiment of the present invention with eight locking members mounted on the sleeve;

description of reference numerals:

10. the device comprises a base frame, 11, a transverse plate, 12, a support column, 13, a middle area, 14, an end area, 15, a positioning pin, 16, a mounting hole, 17, a first through groove, 18, a second through groove, 20, a pulling-out mechanism, 21, a stud, 22, a screwing piece, 23, a fixing piece, 24, a sleeve, 25, a first end, 26, a second end, 27, a screw hole, 30, a locking piece, 31, a cone head sliding pin, 32, an elastic piece, 40, a sliding piece, 41, a spring, 42, a marble, 43, a sealing plug, 50 and a fixing piece.

Detailed Description

The following describes embodiments of the present invention in detail.

As shown in fig. 1 to 3, a bearing dismounting device includes a base frame 10 and a pulling-out mechanism 20, the pulling-out mechanism 20 is installed on the base frame 10, the pulling-out mechanism 20 includes a stud 21, a screwing member 22, a fixing member 23 and a sleeve 24, the stud 21 has a first end 25 and a second end 26, the first end 25 and the second end 26 are opposite in direction, the first end 25 is located above the second end 26, the screwing member 22 is located on the first end 25, the screwing member 22 is in threaded connection with the stud 21, the fixing member 23 is in threaded connection with the stud 21, and the sleeve 24 is installed on the second end 26.

Referring to fig. 1, fig. 4 to fig. 9, the pulling mechanism 20 further includes three to eight locking members 30, and at least three, up to eight locking members 30 are circumferentially and intermittently distributed on the sleeve; the stud 21 is provided with three screw holes 27 which are circumferentially distributed, and the screw holes 27 are positioned on the first end 25; the locking member 30 includes a conical head sliding pin 31 and an elastic member 32, the elastic member 32 is sleeved on the conical head sliding pin 31, one end of the elastic member 32 abuts against the inner wall of the sleeve, and the other end of the elastic member 32 abuts against the conical head sliding pin 31.

With continued reference to fig. 2, the supporting post 12 is provided with a mounting hole 16, the supporting post 12 is mounted on the end portion 14 through the mounting hole 16, and with continued reference to fig. 3, the supporting post 12 is provided with a first through groove 17 and a second through groove 18, the first through groove 17 is communicated with the mounting hole 16, and the second through groove 18 is communicated with the mounting hole 16.

With continued reference to fig. 4-9, sleeve 24 is open at the bottom, and sleeve 24 is hollow and defines a receiving cavity for receiving a bearing.

Referring to fig. 1 and 2, the base frame 10 includes a transverse plate 11 and support pillars 12, the transverse plate 11 is located below the screwing member 22, the transverse plate 11 includes a middle region 13 and end regions 14 located at two ends of the middle region 13, the number of the support pillars 12 is at least two, two adjacent support pillars 12 are respectively and correspondingly installed on the end regions 14 at two ends of the middle region 13, the studs 21 are installed on the middle region 13, and the positions of the studs 21 are arranged between the two adjacent support pillars 12; with continued reference to fig. 2, the end region 14 is provided with a positioning pin 15 for preventing the support post 12 from slipping outward; the cross-sectional width dimension of the middle region 13 in the horizontal direction is larger than the cross-sectional width dimension of the end region 14 in the horizontal direction.

Referring to fig. 1 and 3, the bearing detaching device further includes a sliding member 40 and a fixing element 50 for fixing the supporting pillar 12 on the horizontal plate 11, the sliding member 40 includes a spring 41, a marble 42 and a sealing plug 43, one end of the spring 41 abuts against the marble 42, the other end of the spring 41 abuts against the sealing plug 43, the fixing element 50 is disposed on the first through groove 17, the sliding member 40 is disposed on the second through groove 18

The embodiment has the following advantages:

1. the bearing dismounting device has the principle that a sleeve 24 arranged on a second end 26 of a stud 21 is sleeved on a bearing to be dismounted, because the pulling-out mechanism 20 is arranged on the base frame 10, the reverse force borne by the pulling-out mechanism 20 when the bearing is dismounted is borne by the base frame 10, the base frame 10 is adjusted to a relative position capable of stably bearing force before the bearing is dismounted, the screwing piece 22 on the first end 25 is independently rotated during dismounting, the stud 21 is rotated and lifted upwards under the effect of threaded connection of the screwing piece 22 and the fixing piece 23 on the stud 21, and the sleeve 24 is driven by the second end 26 of the stud 21 to be lifted upwards, so that the sleeve 24 is lifted upwards and the bearing is stably pulled out;

the bearing dismounting device disclosed in the embodiment, extract mechanism 20 can be under the prerequisite that need not destroy the bearing, no matter whether the bearing of this equipment is located the environment single face and is sealed, the space is limited or only under the condition that the bearing outer lane cover is stayed on the bearing frame, as long as can overlap sleeve 24 on the bearing, just can extract the bearing steadily and dismantle through the setting of sleeve 24 cover on the bearing, it is convenient quick that the dismantlement process is convenient, equipment uses simply, greatly reduced the dismantlement degree of difficulty of bearing.

2. When the sleeve 24 is sleeved on the bearing, the sleeve 24 and the sleeve of the bearing are locked by the locking part 30, so that the sleeve 24 prevents the bearing from slipping and falling off in the sleeve 24 when the bearing is pulled out, and the stability of the sleeve 24 when the bearing is pulled out is further improved.

3. The bottom of the sleeve 24 is open, and when the sleeve is assembled, the bearing is sleeved from the bottom of the sleeve 24, and then the bearing is sleeved on the hollow accommodating cavity of the sleeve 24.

4. The setting of elastic component 32 can make conical head sliding pin 31 have flexible function, and according to the bearing of different aperture sizes, conical head sliding pin 31 just can block sleeve 24 into with the bearing card through flexible to the messenger is applicable to more and dismantles the bearing of various sizes, makes bearing dismounting device's suitability can be more extensive.

5. When the stud 21 is pulled out, because the stud 21 is installed on the middle area 13, the stud 21 receives the reverse acting force of the bearing and transmits the force to the transverse plate 11, and the supporting columns 12 are installed on the end areas 14 at the two ends of the transverse plate 11, so that the reverse acting force is finally received by the supporting columns 12.

6. To enhance the stability of the assembly between the supporting column 12 and the horizontal plate 11, the positioning pin 15 disposed on the end region 14 can prevent the supporting column 12 from slipping or other structural deformation under stress.

7. The arrangement that the width size of the middle area 13 is larger enables the middle area 13 to bear larger reverse acting force when the bearing is pulled out, and the service life of the device is further prolonged.

8. When two supporting columns 12 are installed on the end areas 14 at the two ends of the transverse plate 11 through the installation holes 16, the supporting columns 12 are fixed on the end areas 14 through the fixing elements 50 arranged on the first through grooves 17, so that the stability of the supporting columns 12 during supporting is further improved; due to the space size limitation factor of the equipment where the bearing is located, when the supporting column 12 is assembled with the transverse plate 11, the supporting column 12 can slide on the end area 14 of the transverse plate 11, the distance between the two supporting columns 12 is further adjusted according to the space size, and the sliding piece 40 is arranged on the second through groove 18, so that the convenience of sliding of the supporting column 12 on the end area 14 can be improved.

9. When the stud 21 is pulled out or assembled and is limited due to insufficient force, an external tool is inserted into the screw hole 27, and the stud 21 is rotated through the lever principle, so that time and labor are saved.

The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.

Claims

1. A bearing dismounting device is characterized by comprising a base frame and a pulling-out mechanism, wherein the pulling-out mechanism is arranged on the base frame;

the pull-out mechanism comprises a stud, a screwing piece, a fixing piece and a sleeve, wherein the stud is provided with a first end and a second end, the direction of the first end is opposite to that of the second end, the first end is located above the second end, the screwing piece is located on the first end, the screwing piece is in threaded connection with the stud, the fixing piece is in threaded connection with the stud, and the sleeve is installed on the second end.

2. The bearing removal apparatus of claim 1, wherein the extraction mechanism further comprises at least two locking members, the plurality of locking members being circumferentially and intermittently disposed on the sleeve.

3. The bearing removal apparatus of claim 1, wherein the sleeve is open at a bottom thereof, and the sleeve is hollow at an interior thereof and forms a receiving cavity for receiving the bearing.

4. The bearing disassembling device of claim 2, wherein the locking member includes a conical head sliding pin and an elastic member, the elastic member is sleeved on the conical head sliding pin, one end of the elastic member abuts against the inner wall of the sleeve, the other end of the elastic member abuts against the conical head sliding pin, and the number of the locking members is at least three.

5. The bearing dismounting device according to any one of claims 1 to 4, wherein the base frame includes a cross plate and at least two support columns, the cross plate is located below the screwing member, the cross plate includes a middle region and end regions located at two ends of the middle region, two adjacent support columns are correspondingly mounted on the end regions at two ends of the middle region, the studs are mounted on the middle region, and the studs are disposed between the two adjacent support columns.

6. A bearing removal device as claimed in claim 5, wherein the end regions are provided with locating pins for preventing the support posts from slipping outwardly.

7. The bearing disassembly apparatus of claim 5, wherein the cross-sectional width dimension of the middle region in the horizontal direction is larger than the cross-sectional width dimension of the end region in the horizontal direction.

8. The bearing removal apparatus of claim 6, wherein the support post has a mounting hole through which the support post is mounted to the end region, the support post having a first through slot and a second through slot, the first through slot communicating with the mounting hole, the second through slot communicating with the mounting hole.

9. The bearing disassembling device according to claim 8, further comprising a sliding member and a fixing member for fixing the supporting column to the cross plate, wherein the sliding member includes a spring, a ball, and a sealing plug, one end of the spring abuts against the ball, the other end of the spring abuts against the sealing plug, the fixing member is disposed on the first through groove, and the sliding member is disposed on the second through groove.

10. A bearing removal device as claimed in any one of claims 1 to 4, wherein said stud is provided with a plurality of circumferentially spaced threaded bores located at said first end.