CN102852985A - Novel bearing locating sleeve - Google Patents
Novel bearing locating sleeve Download PDFInfo
- Publication number
- CN102852985A CN102852985A CN2012103601260A CN201210360126A CN102852985A CN 102852985 A CN102852985 A CN 102852985A CN 2012103601260 A CN2012103601260 A CN 2012103601260A CN 201210360126 A CN201210360126 A CN 201210360126A CN 102852985 A CN102852985 A CN 102852985A
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- Prior art keywords
- bearing
- sleeve
- dismounting
- flange
- inner sleeve
- Prior art date
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- 238000009434 installation Methods 0.000 claims description 17
- 230000001050 lubricating effect Effects 0.000 claims description 13
- 238000012856 packing Methods 0.000 claims description 3
- 239000004519 grease Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 230000008878 coupling Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 101150038956 cup-4 gene Proteins 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Mounting Of Bearings Or Others (AREA)
Abstract
The invention discloses a novel bearing locating sleeve, and relates to the field of machinery. An internal sleeve (2) and an external sleeve (1) of the bearing locating sleeve form an integrated structure, and a cavity (9) is formed between the internal sleeve (1) and the external sleeve (2); a flange (10) is arranged at one end of the internal sleeve (2); a mounting oil hole (3) and a dismounting oil hole (8) which are communicated with the cavity (9) are formed on the inner side face of the flange (10); and the mounting oil hole (3) and the dismounting oil hole (8) are connected onto a high-pressure oil cup (4) and a dismounting oil plug (7) respectively. According to the novel bearing locating sleeve, the internal and the external sleeves are matched, positioned and welded into a whole; axial sliding of a bearing is avoided due to the adoption of a hydraulic tension principle; the location is precise and the matching surface of internal and external rings of the bearing is not liable to scratch; and the novel bearing locating sleeve is convenient to mount, dismount and maintain, and can be separately used for a locating bearing or combined with various of couplers.
Description
Technical field
The present invention relates to mechanical field, utilize specifically the hydraulic expansion principle to realize a kind of novel bearing setting sleeve of bearing location.
Background technique
Bearing is interference fit when mounted, generally selects plunging or heating for the installation of bearing with cylindrical bore.The little bearing of general interference fit can be with the method for machinery or hydraulic pressure with bearing press mounting to axle or in the housing, when larger for larger-size bearing or magnitude of interference, can utilize principle of expanding with heat and contracting with cold to install, and generally adopts oil bath heating or electrical induction.For the installation of bearing with tapered bore, when axle is cylinder axis, install with withdrawal sleeve or adapter sleeve; When axle is cone axis, directly install with locknut.Adapter sleeve is comprised of tightly fixed liner, locking nut, lock washer (or locking clamp, screw, lock washer), be used for conical bore selfaligning bearing (selfaligning ball bearing, selfaligning roller bearing) is fixed on without on the shaft shoulder axle, simple in structure, reliable operation, the bearing transposing is convenient, is widely used in the industries such as weaving, light industry, papermaking, metallurgical belt-conveying and conveying equipment.Move back and unload lining and be applicable to tapered bore bearing is installed on the cylindrical shaft, bearing is installed near shaft shoulder place, moves back to unload lining and be pressed into brearing bore by the axle upper cap nut, until bearing end-play is reduced to desired value.Move back and unload lining to being contained in axle head, often dismounting, the bearing with tapered bore that specification is larger, the mounting or dismounting maintenance is convenient especially, is widely used on the machinery such as light industry, metallurgy rolling mill.Radial internal clearance size after installing for bearing with cylindrical bore is that the tolerance by getting housing bore or axle determines, and the radial internal clearance after installing for bearing with tapered bore depends on bearing on taper journal or the taper adapter sleeve pushes the length of distance.Must measure the initial radial play of bearing before installing, in installation process, constantly measure radial internal clearance until desired value.When the dismounting bearing, for non-divergence type bearing, at first from than loose fit face (generally being the fitting surface in outer ring and housing aperture) bearing being split out, then the working pressure machine extrudes the urgent fitting surface of bearing, or uses the special horse instrument that draws to dismantle bearing.For the separable type bearing, such as single row roller bearing, its outer ring and retainer, rolling element are integrated, and be separable with inner ring.Can adopt bearing indcution heater heating inner ring, under the inner ring heat expands state, dismantle.Dismounting is with the small conical hole bearing of adapter sleeve, and after only needing the adapter sleeve nut turned loose a few circle, it is namely dismountable to use cushion block to beat with hammer, during dismounting band withdrawal sleeve bearing, tightens special nut at withdrawal sleeve, makes to move back to unload lining and withdraw from.When larger for large size bearing or magnitude of interference, generally need to be at axle design oil pressure disassembling oil groove, hydraulic pressure adapter sleeve and hydraulic pressure withdrawal sleeve are also arranged at present on the market, but its groundwork principle still by Machinery Ministry assign to locking and the dismounting, hydraulic pressure just plays auxiliary effect.
There is following problem in traditional bearing installation and removal:
1. for the installation of bearing with cylindrical bore, adopt plunging or heating to install, installation is wasted time and energy; In when dismounting, need to use press machine or draw the professional tool such as horse for inseparable bearing, the separable heating inner ring that needs of Internal and external cycle makes the inner ring dismounting that swells, the unloading process complexity;
2. for the installation of bearing with tapered bore, need to measure the initial radial play of bearing, and the radial internal clearance of constantly measuring bearing in installation process decides bearing to push displacement on taper journal or taper bush; When dismounting, when larger for large size bearing or magnitude of interference, generally need the auxiliary dismounting of hydraulic pressure, also needing at need to use hydraulic pressure adapter sleeve and hydraulic pressure withdrawal sleeve with adapter sleeve or withdrawal sleeve dismounting, for conical axle journal, need to design the hydraulic pressure oil groove at axle for cylindrical journal, rely on high-pressure service pump to inject the high pressure oil inner ring dismounting that swells, and adapter sleeve in use is many installations, and trouble is installed, and the user cost of the bearing with tapered bore that expires is high;
3. the installation bearing inner race of traditional bearing and axle, outer ring and housing are relative slidings, cone shape hole bearing particularly, if mating face is unclean or the finishing of adapter sleeve breathing groove (or oil pressure disassembling oil groove) burr is bad, fitting surface is scratched adhesive wear occurs, service time is more of a specified duration, causes dismounting more difficult.
Summary of the invention
For solving the technical problem of above-mentioned existence, the invention provides a kind of novel bearing setting sleeve, simple in structure, utilize the principle of hydraulic expansion, realize inner sleeve for the accurate location of bearing, inner-outer sleeve is welded as that design as a whole is convenient to install, dismounting and maintenance.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of novel bearing setting sleeve, include jacket and inner sleeve, described jacket and inner sleeve is set to respectively the different thin-wall circular ring-type of diameter, one end of described inner sleeve is provided with flange, described overcoat is sheathed on the outside of inner sleeve and the two ends of its two ends and inner sleeve are welded into one, between inner sleeve and overcoat, form cavity, be provided with on the flange inner side surface of described inner sleeve oilhole and dismounting oilhole are installed, described installation oilhole is communicated with described cavity respectively with the dismounting oilhole, is connected with on the described installation oilhole to be connected with on high pressure lubricating cup, the dismounting oilhole to dismantle oily blocking up.
Described high pressure lubricating cup and dismounting oil block up and are arranged in the flange of inner sleeve.
The stifled side of described dismounting oil is provided with oil drainage hole.
The joint of described high pressure lubricating cup and flange outer side surface is provided with the combination seal packing ring.
The stifled joint with the flange outer side surface of described dismounting oil is provided with the O RunddichtringO.
The present invention has following beneficial effect:
1. the present invention is designed to an overall structure with inner sleeve and the overcoat of bearing setting sleeve, adopts Spielpassung, utilizes the hydraulic expansion principle, and bearing does not endwisely slip, and is difficult for scratching the bearing enclose fitting surface;
2. when the present invention installs, the bearing inner race of only its integral body need to being packed into, with high-pressure oil gun the oil nozzle of lubricating grease by the high pressure lubricating cup is pressed in the cavity of inner-outer sleeve formation, the inside cavity high pressure forces inner-outer sleeve generation radial deformation to produce magnitude of interference, thereby radial support bearing, setting sleeve end face flange shaft is to the positioning bearing inner ring, and it is time saving and energy saving, efficient and convenient to install;
3. when the present invention dismantles, only the stifled interior outside socket head screw of dismounting oil on the flanged surface need to be back-outed, then the interior hexagonal Cock screw of the inside is unscrewed several circles, internal oil pressure will hold up steel ball, high-pressure grease in the cavity will be discharged from the oil drainage hole of dismantling the stifled side of oil, and internal high pressure obtains discharging, so that the inner-outer sleeve resiliently deformable is recovered, setting sleeve and bearing fit face produce gap, convenient disassembly;
4. the bearing selected of the present invention is straight hole, has reduced cost of production;
5. the present invention can be used as the bearing setting sleeve and uses separately, also can use in conjunction with multiple coupling, and axis hole adopts Spielpassung easy for installation, and adopts without key and connect, and has reduced the diameter of axle.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the cross section view that the present invention dismantles oil stifled 7;
Fig. 3 is the partial sectional view that the present invention is combined with half-coupling.
Embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments:
Be illustrated in figure 1 as a specific embodiment of the present invention, the present invention includes overcoat 1 and inner sleeve 2, in order to make overcoat 1 and the inner sleeve 2 generation magnitude of interference that deforms easily under the internal oil pressure effect, described overcoat 1 is set to respectively the different thin-wall circular ring-type structure of diameter with inner sleeve 2.For the axially locating bearing inner race, an end of described inner sleeve 2 is provided with flange 10.
Described overcoat 1 and inner sleeve 2 are by the cooperation location, and described overcoat 1 is sheathed on the outside of inner sleeve 2 by the cooperation location, and the two ends of its two ends and inner sleeve 2 are welded into one, formation cavity 9 between inner sleeve 2 and overcoat 1.Weld seam between overcoat 1 and the inner sleeve 2 mainly is subject to the power of cavity 9 internal high pressures generation and the power that bearing radial load produces, and determines the size of weld seam by calculating weld strength.Welding machine special is adopted in the welding of inner-outer sleeve, guarantees the high-purity of weld metal, postwelding smooth surface zero defect, and the heat affected zone is very little, guarantees that the workpiece postwelding only has small distortion, and obtains final products by postwelding fine finishing.
Be provided with on flange 10 inner side surfaces of described inner sleeve 2 oilhole 3 and dismounting oilhole 8 are installed, described installation oilhole 3 and dismounting oilhole 8 are communicated with described cavity 9 respectively, in the flange 10 of inner sleeve 2, be connected with on the described installation oilhole 3 on high pressure lubricating cup 4, the dismounting oilhole 8 and be connected with dismounting oil stifled 7.Described high pressure lubricating cup 4 is provided with combination seal packing ring 5 with the joint of flange 10 outer side surfaces, seal action is played at 4 screw thread places to the high pressure lubricating cup, described dismounting oil stifled 7 is provided with O RunddichtringO 6 with the joint of flange 10 outer side surfaces, can prevent effectively that the high pressure grease in the cavity 9 from revealing.
As shown in Figure 2, described dismounting oil stifled 7 is comprised of plug screw 11, steel ball 12, interior hexagonal short cylindrical end Cock screw 14 and interior hexagonal flush end Cock screw 15, the upper side of described plug screw 11 is provided with oil drainage hole 13, discharges the high pressure grease of cavity 9 inside when being used for dismounting.
The present invention is before installing, it is vertically set level, interior axially bored line is perpendicular to horizontal plane, to dismantle first oil stifled 7 opens, connect high pressure lubricating cup 4 to cavity 9 interior injection high pressure grease by high-pressure oil gun, until there is high pressure grease to extrude from dismounting oilhole 8, guarantee to fill it up with in advance in the cavity 9 grease, with the air emptying in the cavity 9, then tighten dismounting oil stifled 7.
During installation, first bearing is installed in the precalculated position, relies on bearing outer ring to cooperate the location, then the present invention is installed on the inner ring of bearing, the outer side surface of flange 10 is near the inner ring of bearing, and be Spielpassung this moment between bearing inner race and overcoat of the present invention 1 and inner sleeve 2 and the axle.High-pressure oil gun connects high pressure lubricating cup 4, and high pressure grease is pressed in the cavity 9 by oilhole 3 is installed, and along with the increase of cavity 9 internal high pressure greases, the inner high pressure that produces forces inner-outer sleeve generation radial deformation to produce magnitude of interference and comes the radial support bearing; The inner ring of the flange 10 end face axial positioning bearings on the inner sleeve 2.
During dismounting, the interior hexagonal flush end Cock screw 15 that to dismantle first in the oil stifled 7 is back-outed, again the interior hexagonal short cylindrical end Cock screw 14 of inside is slowly unscrewed several circles, this moment, cavity 9 interior high pressure grease held up steel ball 12, high pressure grease is emitted by oil drainage hole 13, so that the high pressure in the cavity 9 is eliminated, the inner-outer sleeve resiliently deformable is recovered, and makes between bearing inner race and overcoat 1 and inner sleeve 2 and the axle and produces the gap.After removing bearing and the present invention interior hexagonal short cylindrical end Cock screw 14 and interior hexagonal flush end Cock screw 15 are tightened, prevented that dust is in oilhole turnover cavity 9.
As shown in Figure 2, the present invention is when installing and work, and dismounting oil stifled 7 is in locking state, and steel ball 12 is compressed by interior hexagonal short cylindrical end Cock screw 14, and hexagonal short cylindrical end Cock screw 14 plays locking effect in interior hexagonal flush end Cock screw 15 compressions.Steel ball 12 forms sealing with the conical surface, and 6 pairs of plug screws of O type circle, 11 screw thread places seal, and steel ball 12 and O RunddichtringO 6 prevent the leakage of internal high pressure grease.
As shown in Figure 3, the present invention can be combined with coupling such as Falk flexible coupling, drum-shaped tooth type shaft coupling, plum coupling, pin couplers, axis hole adopts Spielpassung to substitute original interference (transition) cooperation, easy installation and removal, adopt without the key connection by hydraulic expansion, increased the intensity of axle.
Certainly, above-mentioned explanation is not to be limitation of the present invention, and the present invention also is not limited in above-mentioned giving an example, and the variation that those skilled in the art make in essential scope of the present invention, remodeling, interpolation or replacement also should belong to protection scope of the present invention.
Claims (5)
1. novel bearing setting sleeve, include overcoat (1) and inner sleeve (2), it is characterized in that, described overcoat (1) is set to respectively the different thin-wall circular ring-type of diameter with inner sleeve (2), one end of described inner sleeve (2) is provided with flange (10), described overcoat (1) is sheathed on the outside of inner sleeve (2) and the two ends of its two ends and inner sleeve (2) are welded into one, between inner sleeve (2) and overcoat (1), form cavity (9), be provided with on flange (10) inner side surface of described inner sleeve (2) oilhole (3) and dismounting oilhole (8) are installed, described installation oilhole (3) and dismounting oilhole (8) are communicated with described cavity (9) respectively, are connected with high pressure lubricating cup (4) on the described installation oilhole (3), be connected with dismounting oil stifled (7) on the dismounting oilhole (8).
2. a kind of novel bearing setting sleeve according to claim 1 is characterized in that, described high pressure lubricating cup (4) and dismounting oil stifled (7) are arranged in the flange (10) of inner sleeve (2).
3. a kind of novel bearing setting sleeve according to claim 1 and 2 is characterized in that, the side of described dismounting oil stifled (7) is provided with oil drainage hole (13).
4. a kind of novel bearing setting sleeve according to claim 1 and 2 is characterized in that, described high pressure lubricating cup (4) is provided with combination seal packing ring (5) with the joint of flange (10) outer side surface.
5. a kind of novel bearing setting sleeve according to claim 1 and 2 is characterized in that, described dismounting oil stifled (7) is provided with O RunddichtringO (6) with the joint of flange (10) outer side surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103601260A CN102852985A (en) | 2012-09-25 | 2012-09-25 | Novel bearing locating sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103601260A CN102852985A (en) | 2012-09-25 | 2012-09-25 | Novel bearing locating sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102852985A true CN102852985A (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103601260A Pending CN102852985A (en) | 2012-09-25 | 2012-09-25 | Novel bearing locating sleeve |
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| Country | Link |
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| CN (1) | CN102852985A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337921A (en) * | 2016-11-07 | 2017-01-18 | 哈尔滨广瀚动力传动有限公司 | Actuator for Adjusting Guide Vane of Hydraulic Torque Converter |
| CN106872170A (en) * | 2017-03-27 | 2017-06-20 | 江西洪都航空工业集团有限责任公司 | Fixture is simulated for the magnitude of interference that bearing is installed |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010090993A (en) * | 2008-10-08 | 2010-04-22 | Ntn Corp | Bearing unit |
| CN102359499A (en) * | 2011-10-26 | 2012-02-22 | 中电电机股份有限公司 | Bearing with axial buffer function |
| CN202790142U (en) * | 2012-09-25 | 2013-03-13 | 李会敬 | Novel bearing positioning sleeve |
-
2012
- 2012-09-25 CN CN2012103601260A patent/CN102852985A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010090993A (en) * | 2008-10-08 | 2010-04-22 | Ntn Corp | Bearing unit |
| CN102359499A (en) * | 2011-10-26 | 2012-02-22 | 中电电机股份有限公司 | Bearing with axial buffer function |
| CN202790142U (en) * | 2012-09-25 | 2013-03-13 | 李会敬 | Novel bearing positioning sleeve |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337921A (en) * | 2016-11-07 | 2017-01-18 | 哈尔滨广瀚动力传动有限公司 | Actuator for Adjusting Guide Vane of Hydraulic Torque Converter |
| CN106872170A (en) * | 2017-03-27 | 2017-06-20 | 江西洪都航空工业集团有限责任公司 | Fixture is simulated for the magnitude of interference that bearing is installed |
| CN106872170B (en) * | 2017-03-27 | 2019-07-09 | 江西洪都航空工业集团有限责任公司 | Magnitude of interference for bearing installation simulates fixture |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: GAO RUN Free format text: FORMER OWNER: LI HUIJING Effective date: 20140609 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 271000 TAIAN, SHANDONG PROVINCE TO: 037301 DATONG, SHAANXI PROVINCE |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20140609 Address after: 037301 Shanxi province Datong equipment manufacturing industrial park Datong Tonghua Mining Machinery Manufacturing Co., Ltd. Applicant after: Gao Run Address before: 271000 Shandong Road, Taishan Avenue, Daiyue District, Shandong, Tai'an Applicant before: Li Huijing |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130102 |