CN202790142U - Novel bearing positioning sleeve - Google Patents
Novel bearing positioning sleeve Download PDFInfo
- Publication number
- CN202790142U CN202790142U CN201220491929.5U CN201220491929U CN202790142U CN 202790142 U CN202790142 U CN 202790142U CN 201220491929 U CN201220491929 U CN 201220491929U CN 202790142 U CN202790142 U CN 202790142U
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- sleeve
- bearing
- inner sleeve
- dismounting
- flange
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Abstract
The utility model discloses a novel bearing positioning sleeve, and relates to a machinery field. An inner sleeve (2) of the bearing positioning sleeve and an outer sleeve (1) of the bearing positioning sleeve are designed into a whole structure, and a cavity (9) is formed between the inner sleeve (2) and the outer sleeve (1). A flange (10) is placed at one end of the inner sleeve (2), and an installation oil hole (3) and a dismantle oil hole (8) are formed in the inner side face of the flange (10), wherein the installation oil hole and the dismantle oil hole are communicated with the cavity (9). The installation oil hole (3) and the dismantle oil hole (8) are respectively connected with a high pressure oil cup (4) and a dismantle greasy blockage (7). According to the novel bearing positioning sleeve, the inner sleeve and the outer sleeve are positioned in a matched mode and are welded into a whole, a hydraulic pressure tension bridle principle is applied, the bearing does not axially slide, and the novel bearing positioning sleeve is accurate in positioning, and matching surface of the inner sleeve and the outer sleeve of the bearing are not easy to scratch. The novel bearing positioning sleeve is convenient to install, dismantle and maintain and capable of singly utilized in the positioning bearing, and also can be used by combining various couplers.
Description
Technical field
The utility model relates to mechanical field, utilizes 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 utility model provides a kind of novel bearing setting sleeve, and is simple in structure, utilizes the principle of hydraulic expansion, realizes inner sleeve for the accurate location of bearing, and inner-outer sleeve is welded as design as a whole and is convenient to install, dismantles and maintenance.
For achieving the above object, the technical solution adopted in the utility model 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 utlity model has following beneficial effect:
1. the utility model 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 utility model is installed, 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 utility model is dismantled, 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 utility model is straight hole, has reduced cost of production;
5. the utility model 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 utility model;
Fig. 2 is the cross section view of the utility model dismounting oil stifled 7;
Fig. 3 is the partial sectional view that the utility model is combined with half-coupling.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail:
Be illustrated in figure 1 as a specific embodiment of the present utility model, the utility model 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 and inner sleeve 2 are designed to respectively thin-wall circular ring-type structure.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 utility model 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 utility model 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 utility model 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 utility model 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 utility model is when installing and work, 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 played locking effect in interior hexagonal flush end Cock screw 15 compressed.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 utility model 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 to restriction of the present utility model; the utility model 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 utility model, remodeling, interpolation or replacement also should belong to protection domain of the present utility model.
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 |
|---|---|---|---|
| CN201220491929.5U CN202790142U (en) | 2012-09-25 | 2012-09-25 | Novel bearing positioning sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220491929.5U CN202790142U (en) | 2012-09-25 | 2012-09-25 | Novel bearing positioning sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202790142U true CN202790142U (en) | 2013-03-13 |
Family
ID=47817408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220491929.5U Expired - Lifetime CN202790142U (en) | 2012-09-25 | 2012-09-25 | Novel bearing positioning sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202790142U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852985A (en) * | 2012-09-25 | 2013-01-02 | 李会敬 | Novel bearing locating sleeve |
-
2012
- 2012-09-25 CN CN201220491929.5U patent/CN202790142U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102852985A (en) * | 2012-09-25 | 2013-01-02 | 李会敬 | Novel bearing locating sleeve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GAO RUN Free format text: FORMER OWNER: LI HUIJING Effective date: 20140530 |
|
| 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 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140530 Address after: 037301 Shanxi province Datong equipment manufacturing industrial park Datong Tonghua Mining Machinery Manufacturing Co., Ltd. Patentee after: Gao Run Address before: 271000 Shandong Road, Taishan Avenue, Daiyue District, Shandong, Tai'an Patentee before: Li Huijing |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160826 Address after: 100096 Beijing city Changping District Huilongguan Huang Road No. 19, No. 2 hospital 1603 Patentee after: Beijing bashkai Guanhua Technology Co.,Ltd. Address before: 037301 Shanxi province Datong equipment manufacturing industrial park Datong Tonghua Mining Machinery Manufacturing Co., Ltd. Patentee before: Gao Run |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |
|
| CX01 | Expiry of patent term |