CN209239948U - A kind of bearing disassembling device - Google Patents
A kind of bearing disassembling device Download PDFInfo
- Publication number
- CN209239948U CN209239948U CN201822215203.9U CN201822215203U CN209239948U CN 209239948 U CN209239948 U CN 209239948U CN 201822215203 U CN201822215203 U CN 201822215203U CN 209239948 U CN209239948 U CN 209239948U
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- CN
- China
- Prior art keywords
- bearing
- screw rod
- raker
- connection component
- disassembling device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009434 installation Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009527 percussion Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Abstract
The utility model proposes a kind of bearing disassembling devices, belong to machine tool technical field, are supported in the top cylinder and one of bearing block for fixing the fixture of bearing including a screw rod, a bottom；Push up the top closed of cylinder；Screw rod is arranged in top cylinder along the axial direction of top cylinder, and connect with the screw top of top cylinder；Fixture is connected to the bottom end of screw rod, including the hook pawl for holding bearing bottom surface, and is removably connected to the connection component hooked between pawl and screw rod；Connection component is arranged in the inner ring of bearing, and is sheathed on outside screw rod, and connection component is connect with screw flight；Hooking pawl includes eave tile and raker, and eave tile is abutted with bearing bottom surface, and the end of eave tile extends to the outer ring of bearing, and raker is removably connected to connection component.The bearing disassembling device is suitable for dismantling the bearing with bearing block interference fit, and using bearing block and bearing bottom surface as force application location when dismantling bearing, and the rolling element of bearing and track do not stress, and cause to damage to bearing when avoiding disassembly.
Description
Technical field
The utility model belongs to machine tool technical field more particularly to a kind of bearing disassembling device.
Background technique
The bearing that turbojet engine uses, the bearing that especially smaller turbojet engine uses, revolving speed height, ruler
Very little small, precision requirement is high.Simultaneously as demand is examined in the dismantling of engine admittedly, need during engine assembly to bearing
Carry out being dismounted for multiple times inspection.
Currently, existing bearing disassembling device is mostly to hook pawl towed, hooks pawl hooks and live bearing inner ring, by applying axial draw
Power simultaneously cooperates percussion power effect that provision for disengagement is made to drive bearing movable, realizes the disassembly of bearing.However, using above-mentioned existing bearing
It when the bearing of provision for disengagement disassembly and bearing block interference fit, is limited by bearing inner ring size, the outer of bearing can not be held by hooking pawl
Ring causes drag force or percussion power by the rolling element transmitting between bearing inner ring and outer ring, easily causes sternly to bearing track
It damages again, bearing is caused to be scrapped.
Thus, bearing disassembling device how is improved to be suitable for dismantling the bearing with bearing block interference fit, is avoided simultaneously
Bearing roller and track are caused to damage, are a current technical problems urgently to be solved.
Utility model content
The utility model for the above technical issues, proposes a kind of bearing disassembling device, is suitable for disassembly and bearing block
The bearing of interference fit, using bearing block and bearing bottom surface as force application location when dismantling bearing, and the rolling element of bearing and rail
Road does not stress, and causes to damage to bearing when avoiding disassembly.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
A kind of bearing disassembling device is supported in the top cylinder and one of bearing block for fixing bearing including a screw rod, a bottom
Fixture；It is described to push up the top closed of cylinder；The screw rod is arranged in the top cylinder along the axial direction of the top cylinder, and with the top cylinder
Screw top connection；The fixture is connected to the bottom end of the screw rod, including the hook pawl for holding the bearing bottom surface, with
And it is removably connected to the connection component between the hook pawl and screw rod；The connection component is arranged in the inner ring of the bearing
In, and be sheathed on outside the screw rod, the connection component is connect with the screw flight；The hook pawl includes eave tile and raker,
The eave tile is abutted with bearing bottom surface, and the end of the eave tile extends to the outer ring of the bearing, and the raker is detachably connected
In the connection component.
Preferably, the connection component includes the attachment base being arranged in the bearing inner ring, the bottom of the attachment base
Portion is connect with the screw flight, and top is offered for installing the cylindrical installation cavity for hooking pawl；The installation cavity and spiral shell
Bar coaxial arrangement, side wall offer the raker holding tank to match with the raker, and the bottom end of the raker holding tank is equipped with
Eave tile extending port；The connection component further include for by the raker and raker accommodate groove top it is solid hold out against sleeve, the top
Fixed cylinder is sheathed on the screw rod periphery, and the sleeve periphery that holds out against is abutted with the raker.
Preferably, having the flange to offset with the bearing top surface at the top of the attachment base.
Preferably, the outside acies of the flange extends to the outer ring of the bearing.
Preferably, the height for holding out against sleeve is greater than the height of the installation cavity.
Preferably, the eave tile and raker are arranged in a mutually vertical manner.
Preferably, the eave tile and raker are integrated setting.
Preferably, the hook pawl be it is multiple, multiple hook pawls are centrosymmetric distribution relative to the screw rod.
Preferably, the top of the screw rod is connected with handle.
Compared with prior art, advantages and beneficial effects of the utility model lie in that
1, bearing disassembling device provided by the utility model, when dismantling bearing, using bearing block and bearing bottom surface as applying
Power position, the inner ring and outer rings of bearing bear upward active force simultaneously, and the rolling element between bearing inner ring and outer ring
It does not stress, effectively prevents that bearing track is caused to damage when disassembly；
2, bearing disassembling device provided by the utility model, without being tapped, is avoided because tapping when dismantling bearing
Impact force bearing is caused to damage.
Detailed description of the invention
Fig. 1 is the Structure explosion diagram of bearing disassembling device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram after bearing disassembling device provided by the embodiment of the utility model assembling；
Fig. 3 is the assembly structure diagram of fixture provided by the embodiment of the utility model；
Fig. 4 is the structural schematic diagram of attachment base provided by the embodiment of the utility model；
Fig. 5 is the cross-sectional view of the line A-A along Fig. 4；
In above each figure: 1, bearing block；2, bearing；3, handle；4, screw rod；5, cylinder is pushed up；6, fixture；61, pawl is hooked；611, it hooks
Bar；612, eave tile；62, connection component；621, attachment base；6211, flange；6212, eave tile extending port；6213, installation cavity；
6214, raker holding tank；622, sleeve is held out against.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that term "inner", "outside", "top", "bottom", etc. instructions side
Position or positional relationship be based on attached positional relationship shown in Fig. 2, be merely for convenience of describing the present invention and simplifying the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It should not be understood as limiting the present invention.
As depicted in figs. 1 and 2, the utility model embodiment is related to a kind of bearing disassembling device, for dismantling and bearing block 1
The bearing 2 of interference fit is supported in the top cylinder 5 and one of bearing block 1 for fixing the fixture of bearing 2 including a screw rod 4, a bottom
6；Push up the top closed of cylinder 5；Screw rod 4 is arranged in top cylinder 5 along the axial direction of top cylinder 5, and connect with the screw top of top cylinder 5；Fixture 6
It is connected to the bottom end of screw rod 4, including the hook pawl 61 for holding 2 bottom surface of bearing, and is removably connected to and hooks pawl 61 and screw rod 4
Between connection component 62；Connection component 62 is arranged in the inner ring of bearing 2, and is sheathed on outside screw rod 4, connection component 62 and spiral shell
Bar 4 is threadedly coupled；Hooking pawl 61 includes eave tile 612 and raker 611, and eave tile 612 is abutted with 2 bottom surface of bearing, and the end of eave tile 612 is prolonged
The outer ring of bearing 2 is extended to, raker 611 is removably connected to connection component 62.
The application method of above-mentioned bearing disassembling device is as follows: connection component 62 being penetrated in 2 inner ring of bearing, pawl 61 will be hooked
Eave tile 612 is abutted with 2 bottom surface of bearing to hold 2 bottom surface of bearing, and the raker 611 for hooking pawl 61 is connected to connection component 62, will be pushed up
Cylinder 5 is threaded on screw rod 4, will be screwed in the bottom end insertion connection component 62 of screw rod 4 and with connection component 62, by top cylinder 5 along screw rod 4
It screws off and is supported on bearing block 1 so as to push up 5 bottom of cylinder, pin top cylinder 5 and rotary screw 4, screw rod 4 is made to drive the rotation of fixture 6 simultaneously
Move up, with fixture 6 rotation and move up, deviate from bearing 2 from bearing block 1.
Above-mentioned bearing disassembling device, the hook pawl 61 of fixture 6 hold the inner ring and outer rings of bearing 2 from 2 bottom of bearing simultaneously,
Top cylinder 5 is supported on bearing block 1, is pinned when dismantle bearing 2 and is pushed up cylinder 5 and turn screw rod 4, screw rod 4 can drive fixture 6 relative to
Top cylinder 5 is rotated and is moved up, and screws out bearing 2 from bearing block 1.The bearing disassembling device is when dismantling bearing 2, with bearing
As force application location, the inner ring and outer rings of bearing 2 bear upward active force simultaneously, and are located at bearing 2 for seat 1 and 2 bottom surface of bearing
Rolling element between inner ring and outer rings does not stress, and effectively prevents causing to damage to 2 track of bearing when disassembly.Meanwhile above-mentioned axis
Provision for disengagement is held when dismantling bearing 2, without being tapped, is damaged caused by avoiding the impact force because of percussion to bearing 2.
For the ease of turning screw rod 4, as shown in Figure 1, the top of screw rod 4 is connected with handle 3.It is driven by rotational handle 3
Screw rod 4 rotates, and can reach labor-saving effect, bearing 2 easy to disassemble.
For the specific structure of connection component 62 in fixture 6, as Figure 2-Figure 5, connection component 62 includes being arranged in axis
The attachment base 621 in 2 inner ring is held, the bottom of attachment base 621 is threadedly coupled with screw rod 4, and top, which is offered, hooks pawl 61 for installing
Cylindrical installation cavity 6213；Installation cavity 6213 and screw rod 4 are coaxially disposed, and side wall offers the hook to match with raker 611
The bottom end of bar holding tank 6214, raker holding tank 6214 is equipped with eave tile extending port 6212；Connection component 62 further includes for that will hook
Bar 611 and raker holding tank 6214 push up it is solid hold out against sleeve 622, hold out against sleeve 622 and be sheathed on 4 periphery of screw rod, hold out against sleeve 622
Periphery is abutted with raker 611.In use, first penetrating attachment base 621 in 2 inner ring of bearing, then the installation of pawl 61 will be hooked to installation cavity
In 6213, stretch out eave tile 612 from eave tile extending port 6212, raker 611 is caught in raker holding tank 6214；Then by tight sleeve
Cylinder 622 is inserted into installation cavity 6213, and the periphery for holding out against sleeve 622 is made to offset with raker 611, and raker 611 and raker are accommodated
The top of slot 6214 is solid, avoids the loosening for hooking pawl 61；Finally screw rod 4 is penetrated and is held out against in sleeve 622, turn screw rod 4 so that screw rod 4 with
The bottom thread of attachment base 621 connects.The connection component 62 of this structure realizes and hooks being detachably connected for pawl 61 and screw rod 4,
Convenient for assembling.
Further, in order to guarantee that fixture 6 can fix bearing 2, bearing 2 is avoided to loosen in disassembly process, such as Fig. 3-
Shown in Fig. 5, there is the flange 6211 to offset with 2 top surface of bearing at the top of attachment base 621.Pass through matching for flange 6211 and eave tile 612
It closes, bearing 2 can be fixed in fixture 6, bearing 2 is avoided to loosen in disassembly process, meanwhile, after bearing 2 and the disengaging of bearing block 1
It can be fixed on fixture 6, be not in the winged situation of bullet.It should be noted that the outside acies of flange 6211 extends to bearing 2
Outer ring entire bearing 2 is fixed with cooperating eave tile 612.
As shown in figure 3, the height for holding out against sleeve 622 is greater than the height of installation cavity 6213, the top of sleeve 622 is held out against after assembling
Portion is exposed to attachment base 621, takes out convenient for that will hold out against sleeve 622 out of installation cavity 6213, to dismantle fixture 6 to remove bearing
2。
For the specific structure for hooking pawl 61 in fixture 6, as depicted in figs. 1 and 2, hook pawl 61 is L-shaped, eave tile 612 and raker
611 are arranged in a mutually vertical manner, and the hook pawl 61 of this structure is more convenient for installing.It should be noted that eave tile 612 and raker 611 are one
Body setting has enough intensity to guarantee to hook pawl 61.
Further, as depicted in figs. 1 and 2, hook pawl 61 is multiple, and multiple hook pawls 61 are centrosymmetric relative to screw rod 4
Distribution, so that 2 uniform force of bearing.In the present embodiment, being specifically provided with 4 hook pawls, 61,4 hook pawls 61 relative to screw rod 4 is in
Central symmetry distribution.
Claims (9)
1. a kind of bearing disassembling device, it is characterised in that: be supported in the top cylinder of bearing block (1) including a screw rod (4), a bottom
(5) and one for fixing the fixture (6) of bearing (2)；
It is described to push up the top closed of cylinder (5)；
The screw rod (4) is arranged in the top cylinder (5), and the screw top with top cylinder (5) along the axial direction of top cylinder (5)
Connection；
The fixture (6) is connected to the bottom end of the screw rod (4), the hook pawl (61) including being used to hold the bearing (2) bottom surface,
And it is removably connected to the connection component (62) between hook pawl (61) and screw rod (4)；The connection component (62) wears
In the inner ring of the bearing (2), and it is sheathed on the screw rod (4) outside, the connection component (62) and the screw rod (4) screw thread
Connection；The hook pawl (61) includes eave tile (612) and raker (611), and the eave tile (612) abuts with bearing (2) bottom surface, described
The end of eave tile (612) extends to the outer ring of the bearing (2), and the raker (611) is removably connected to the connection component
(62)。
2. bearing disassembling device according to claim 1, it is characterised in that: the connection component (62) includes being arranged in institute
The attachment base (621) in bearing (2) inner ring is stated, the bottom of the attachment base (621) is threadedly coupled with the screw rod (4), top
It offers for installing the cylindrical installation cavity (6213) for hooking pawl (61)；The installation cavity (6213) and screw rod (4) are coaxial
Setting, side wall offer the raker holding tank (6214) to match with the raker (611), the raker holding tank (6214)
Bottom end be equipped with eave tile extending port (6212)；The connection component (62) further includes for holding the raker (611) and raker
Receive slot (6214) top it is solid hold out against sleeve (622), the sleeve (622) that holds out against is sheathed on the screw rod (4) periphery, described to hold out against
Sleeve (622) periphery is abutted with the raker (611).
3. bearing disassembling device according to claim 2, it is characterised in that: have and institute at the top of the attachment base (621)
State the flange (6211) that bearing (2) top surface offsets.
4. bearing disassembling device according to claim 3, it is characterised in that: the outside acies of the flange (6211) extends
To the outer ring of the bearing (2).
5. bearing disassembling device according to claim 2, it is characterised in that: the height for holding out against sleeve (622) is greater than
The height of the installation cavity (6213).
6. bearing disassembling device according to claim 1, it is characterised in that: the eave tile (612) and raker (611) are mutual
It is vertically arranged.
7. bearing disassembling device according to claim 6, it is characterised in that: the eave tile (612) and raker (611) are one
Body setting.
8. bearing disassembling device described according to claim 1 or 6 or 7, it is characterised in that: the hook pawl (61) be it is multiple, it is more
A hook pawl (61) is centrosymmetric distribution relative to the screw rod (4).
9. bearing disassembling device according to claim 1, it is characterised in that: the top of the screw rod (4) is connected with handle
(3)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215203.9U CN209239948U (en) | 2018-12-26 | 2018-12-26 | A kind of bearing disassembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822215203.9U CN209239948U (en) | 2018-12-26 | 2018-12-26 | A kind of bearing disassembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209239948U true CN209239948U (en) | 2019-08-13 |
Family
ID=67535053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822215203.9U Active CN209239948U (en) | 2018-12-26 | 2018-12-26 | A kind of bearing disassembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209239948U (en) |
-
2018
- 2018-12-26 CN CN201822215203.9U patent/CN209239948U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wei Inventor after: Pan Wuyi Inventor after: Ning Weijie Inventor after: Wu Ping Inventor after: Yu Chenglong Inventor after: Yang Xiaojie Inventor after: Cao Haobo Inventor before: Zhang Wei Inventor before: Cao Haobo Inventor before: Pan Wuyi Inventor before: Ning Weijie Inventor before: Wu Ping Inventor before: Yu Chenglong Inventor before: Xu Gang Inventor before: Gao Dayong Inventor before: Gong Jianbo Inventor before: Yang Xiaojie |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 1333 Yingshanhong Road, Huangdao District, Qingdao, Shandong Province, 266000 Patentee after: Zhongke Hangxing Technology Co.,Ltd. Country or region after: China Address before: 266400 Binhai Avenue South, Shanchuan Road West, Huangdao District, Qingdao City, Shandong Province Patentee before: ZHONGKE HANGXING TECHNOLOGY Co.,Ltd. Country or region before: China |