CN207687194U

CN207687194U - Rolling bearing and its rotation lasso

Info

Publication number: CN207687194U
Application number: CN201721542918.4U
Authority: CN
Inventors: 王东峰; 张振强; 尹延经; 仝楠
Original assignee: Luoyang Bearing Research Institute Co Ltd
Current assignee: Luoyang Bearing Research Institute Co Ltd
Priority date: 2017-11-17
Filing date: 2017-11-17
Publication date: 2018-08-03
Anticipated expiration: 2027-11-17

Abstract

The utility model is related to rolling bearing and its rotation lassos.It is docked with drainage device by the way that oil guide groove is arranged on rotation ferrule slope, drainage device can be the actives oiling device such as atomizer, or the passive oiling device for being guided lubricating oil using centrifugal force, after lubricating oil is directed on rotation ferrule slope, oil guide groove can be directly entered and carry out Oil Guide, lubricating oil more smoothly can not only be flowed along inclined-plane towards roller, and oil guide groove can protect lubricating oil, prevent high pressure gas curtain from influencing the flowing of lubricating oil, the setting of oil guide groove is remarkably improved rotation ferrule slope Oil Guide efficiency.

Description

Rolling bearing and its rotation lasso

Technical field

The utility model is related to rolling bearing and its rotation lassos.

Background technology

With the development of industry, bearing develops towards high speed, long-life direction, such as is made in high-speed ＆ precise progressive die industry In electro spindle, bearing needs good carrying speed ability and long life requirement.Under ultrahigh speed operating mode, good profit Cunning is the guarantee of its high speed performance, in order to realize the lubrication of bearing, needs that lubricating oil is drained to bearing by drainage device It at roller or is drained on bearing inner race inclined-plane and so that lubricating oil is flowed to bearing roller by external force, then can pass through roller Oil effect of getting rid of realize to the lubrication of entire bearing.Bearings mostly uses side oil jet lubrication at present, as shown in Figure 1, the angle Contact ball bearing includes inner ring 01, outer ring 02, retainer 04, steel ball 03, cone spacer 05 and outer ring spacer 06, inner ring 01 be relative to The rotation lasso of the rotation of outer ring 02 simultaneously has rotation ferrule slope, i.e. inner ring inclined-plane 011, so as to play the work(of axial carrying Can, outer ring 02 is the static lasso static relative to inner ring 01, for certain bearings, can also be used outer ring as rotation lasso, The side on the close inner ring inclined-plane 011 of bearing is arranged in form of the inner ring as static lasso, cone spacer 05 and outer ring spacer 06, no Adjacent bearing can be only isolated, and the oil injection structures such as fuel feed hole 061 can be set, to be sprayed to the bearing to run at high speed Oil lubrication.As shown in Fig. 2, when bearing ultrahigh speed rotates, 04 both sides of retainer of bearing cavity can form high pressure gas curtain 07, when When the lubricating oil 08 sprayed by fuel feed hole 061 is sprayed from side, it can be stopped by high pressure gas curtain 07, make the lubricating oil of injection 08 cannot be easy to cause the weary oil of lubrication, eventually leads to burn-out of bearing well into Bearing inner；For this problem, some factories Strongly to spray into lubricating oil by way of changing nozzle angle or increasing oil pressure, Bearing inner lubricants capacity may result in this way Too much, cause to radiate uneven, can also burn bearing；In addition, above-mentioned spray the mode of lubricating oil due to high-voltage oil liquid from side With high pressure gas curtain direct collision, strong, ear-piercing tweeting sound can be formed, causes serious noise pollution, and high-voltage oil liquid is also It can sputter strongly, not only waste lubricating oil but also bad border is polluted.

Utility model content

It lubricated fully the purpose of this utility model is to provide one kind when running at high speed lubrication and does not waste lubricating oil, made an uproar The small rolling bearing of sound；The purpose of this utility model, which also resides in, provides a kind of rotation lasso using above-mentioned rolling bearing.

To achieve the above object, the rolling bearing of the utility model adopts the following technical scheme that：

Technical solution 1：Rolling bearing includes rotation lasso and static lasso, and rotating on lasso has rotation ferrule slope, Rotation ferrule slope is equipped with the oil guide groove extended along itself gradient direction, and oil guide groove with drainage device for docking will accept The lubricating oil guide bearing roller arrived.

Advantageous effect：It is docked with drainage device by the way that oil guide groove is arranged on rotation ferrule slope, drainage device can be The actives oiling device such as atomizer, or the passive oiling device that is guided lubricating oil using centrifugal force, when lubricating oil is drawn After being directed on rotation ferrule slope, oil guide groove can be directly entered and carry out Oil Guide, lubricating oil not only can be more smoothly along oblique It is flowed facing towards roller, and oil guide groove can protect lubricating oil, prevents high pressure gas curtain from influencing the flowing of lubricating oil, Oil Guide The setting of slot is remarkably improved rotation ferrule slope Oil Guide efficiency.

Technical solution 2：On the basis of technical solution 1, the rotation ferrule slope includes being connected with each other and being located at High pressure gas shade sets the inside and outside gas curtain bevel phase of range and guide surface section, and the guide surface section constitutes the drainage device, described Oil guide groove is arranged in gas curtain bevel phase, and lubricating oil thereon is drained in gas curtain bevel phase by guide surface section using centrifugal force It is lubricated in oil guide groove so that lubricating oil can flow to roller under the action of the centrifugal force along oil guide groove.

Advantageous effect：The utility model extends to the high-pressure area of high pressure gas curtain by being arranged on the rotation lasso of bearing Guide surface section except coverage area, and the guide surface section is made to be located at high pressure gas curtain with the inclined-plane that lasso itself has is rotated Gas curtain bevel phase within the coverage area of high-pressure area is connected so that will not be by high pressure when injecting lubricating oil to guide surface section The influence of gas curtain and lead to lubricating oil splash and noise will not be generated during splash, while using rotation lasso high speed revolve The centrifugal force generated when turning so that lubricating oil can flow to gas curtain bevel phase along guide surface section, and reaching after gas curtain bevel phase can be after Continuous to flow to bearing roller along oil guide groove using centrifugal force, whole process had not only avoided high pressure gas curtain region, but also utilized centrifugation Power realizes the self-lubricate of bearing, and clever structure does not waste lubricating oil, will not lead to environmental pollution, not have too big noise.

Technical solution 3：On the basis of technical solution 2, the oil guide groove have it is multiple, and along rotation lasso it is circumferentially-spaced Setting.

So that more uniform to the lubrication of bearing.

Technical solution 4：On the basis of technical solution 3, oil guide groove is the intersection from gas curtain bevel phase and guide surface section Extend to the straight trough at roller.

The Oil Guide efficiency highest of straight trough.

Technical solution 5：On the basis of technical solution 1-4 any one, the cross section of the oil guide groove is rectangle.

Technical solution 6：On the basis of technical solution 2-4 any one, the guide surface section be inner hole surface or trough wall surface, Inner hole surface or trough wall surface surround the Oil Guide channel by lubricating oil.

Technical solution 7：On the basis of technical solution 6, the Oil Guide channel is straight channel.

Technical solution 8：On the basis of technical solution 7, the Oil Guide channel is pore.

Oil Guide channel, which is arranged to pore, to be had the characteristics that not stop and anti-return, is particularly suitable for answering for ultrahigh speed bearing Use environment.

Technical solution 9：On the basis of technical solution 6, rotation lasso, which corresponds to, is coaxially arranged with annular oil at guide surface section Slot, the slot of annular oil groove is equipped at avoids lubricating oil from keeping off oil along the varus that the cell wall of annular oil groove is thrown away under the action of the centrifugal force Platform.

It is next that the setting of gear tank deck can be such that the lubricating oil in annular oil groove does not throw away when rotated.

Technical solution 10：On the basis of technical solution 9, the cell wall of annular oil groove is formed with varus gear tank deck and is pressed from both sides Angle, the Oil Guide channel are located at angle.

Since lubricating oil is gathered in angle, communication port is located at can facilitate lubricating oil to enter under the action of the centrifugal force herein Oil Guide channel.

Technical solution 11：Technical solution 10 on the basis of, the cell wall of the annular oil groove is obliquely installed so that thereon Lubricating oil flows to the angle under the action of the centrifugal force.

Technical solution 12：On the basis of technical solution 11, rolling bearing further includes being fixedly connected with the static lasso Spacer ring, the spacer ring is equipped with fuel feed hole, and the outlet of fuel feed hole is stretched into annular oil groove to be annular oil groove fuel feeding.

Technical solution 13：On the basis of technical solution 12, outlet the inclining towards the annular oil groove of the fuel feed hole Chute wall is arranged so that the lubricating oil of outlet sprays to the inclination cell wall.

Technical solution 14：On the basis of technical solution 7-13 any one, Oil Guide channel have it is multiple and along rotation lasso Circumferential direction be uniformly arranged.

In this way so that lubrication is more uniform.

Technical solution 15：On the basis of technical solution 12 or 13, be additionally provided on the spacer ring for be passed through cooling air with Cooling air admission hole is carried out to bearing, the outlet of air admission hole is used for the one of the static lasso of the close bearing of alignment bearings retainer Side, the pressure of cooling air are more than the pressure of high pressure gas curtain.

Technical solution 16：On the basis of technical solution 2-4 any one, the guide surface section is a plane or an arc surface.

Technical solution 17：On the basis of technical solution 16, the guide surface section is plane, the angle of inclination of plane and gas The angle of inclination of curtain bevel phase is identical.

The rotation lasso of the utility model adopts the following technical scheme that：

Technical solution 1：Rotation lasso includes the rotation ferrule slope for being contacted with bearing roller, is rotated on ferrule slope Equipped with the oil guide groove extended along itself gradient direction, oil guide groove is used to dock with drainage device to be oriented to the lubricating oil that will be accepted Bearing roller.

So that more uniform to the lubrication of bearing.

The Oil Guide efficiency highest of straight trough.

Technical solution 12：On the basis of technical solution 7-11 any one, Oil Guide channel have it is multiple and along rotation lasso Circumferential direction be uniformly arranged.

Technical solution 13：On the basis of technical solution 2-4 any one, the guide surface section is a plane or an arc surface.

Technical solution 14：On the basis of technical solution 13, the guide surface section is plane, the angle of inclination of plane and gas The angle of inclination of curtain bevel phase is identical.

Description of the drawings

Fig. 1 is a kind of angular contact ball bearing of the prior art and its lubrication system；

Fig. 2 is gas curtain effect schematic diagram when angular contact ball bearing runs at high speed and lubricates；

Fig. 3 is the structural schematic diagram of the embodiment 1 of the rolling bearing of the utility model；And working condition lubrication principle shows It is intended to；

Fig. 4 is the structural schematic diagram of the embodiment 2 of the rolling bearing of the utility model；

Fig. 5 is the structural schematic diagram of the embodiment 3 of the rolling bearing of the utility model；

Fig. 6 is the structural schematic diagram of the embodiment 4 of the rolling bearing of the utility model；

Fig. 7 is the axial partial view of the inner ring in the embodiment 5 of the rolling bearing of the utility model；

In Fig. 1-2：01- inner rings, 011- inner rings inclined-plane, the outer rings 02-, 03- steel balls, 04- retainers, 05- cone spacers, 06- Outer ring spacer, 061- fuel feed holes, 07- high pressure gas curtains, the lubricating oil of 08- injections；

In Fig. 3-7：1- inner rings, 11- inner rings inclined-plane, the outer rings 2-, 3- steel balls, 4- retainers, 51- annular oil grooves, 52- lubrications Oilhole, 53- keep off tank deck, 6- outer ring spacers, 61- fuel feed holes, 62- air admission holes, 7- high pressure gas curtains, 8- lubricating oil, 9- oil guide grooves, m- notes Oily area, s- lubricating oil flow direction.

Specific implementation mode

The embodiment of the utility model is described further below in conjunction with the accompanying drawings.

The inclined surface being mentioned below is not limited to straight inclination, and refers to continuous transition and there are one inclined trend, from And lubricating oil when rotated thereon is allow to need the position lubricated along inclined-plane flow direction.

The embodiment 1 of the rolling bearing of the utility model：Rolling bearing in the present embodiment is angular contact ball bearing, at it In his embodiment, High-Speed Cylindrical Roller Bearing is also can be replaced, as shown in figure 3, angular contact ball bearing includes inner ring 1（Rotate Lasso）, outer ring 2, steel ball 3, retainer 4 and outer ring spacer 6.Wherein the side for being arranged close to outer ring spacer 6 of inner ring 1 is equipped with inner ring Inclined-plane 11（Rotate ferrule slope）.Outer ring spacer 6 is fixed relative to outer ring 2, and inner ring 1 includes the ontology of annular, ring body packet Two parts are included, a part is consistent with the inner ring structure of the angular contact ball bearing of the prior art, and another part is one with first part Body structure and from the bevelled side of tool of first part to the axially extending of shaft, and second part is annular, above-mentioned is interior Circle inclined-plane includes the gas curtain bevel phase in the first part of inner ring and the guide surface section on second part, gas curtain inclined-plane Section and guide surface section connect, and what gas curtain bevel phase was located at the higher-pressure region of high pressure gas curtain generated when rolling bearing rotates is provide with range It is interior, and the high-pressure area that gas curtain bevel phase is located at the generation of high pressure gas curtain is provide with other than range, the periphery of the second part of inner ring It is equipped with annular oil groove 51, the side side wall of the close steel ball of annular oil groove 51 is inclined surface, and the edge of inclined surface has The gear tank deck 53 extended to annular oil groove 51, gear tank deck 53 and the inclined surface of annular oil groove 51 surround angle structure, in angle knot The angle of structure is circumferentially equipped with the oilhole 52 of multiple a diameter of 1mm, and the hole face of oilhole is above-mentioned guide surface Section, i.e., the Oil Guide channel being connected to annular oil groove 51.The oil inlet of the oilhole 52 is located at the angle of angle structure, lubrication The oil outlet of oilhole 52 docks with the edge on inner ring inclined-plane 11 and positioned at the top at 11 edge of inner ring inclined-plane, which is close to interior It encloses inclined-plane 11 to be arranged, so that the lubricating oil 8 flowed out from oil outlet can both avoid the high pressure gas between retainer 4 and inner ring inclined-plane 11 Curtain 7, and can be flowed directly on inner ring inclined-plane 11, since bearing inner race 1 has centrifugal force when running at high speed, it is oblique to be located at inner ring Lubricating oil 8 on face 11 can be flowed along inner ring inclined-plane 11 to steel ball 3 under the action of the centrifugal force, and centrifugal force herein need to be small In lubricating oil 8 to the adsorption capacity on inner ring inclined-plane 11, inner ring inclined-plane 11 is thrown away to prevent lubricating oil 8.The axis of oilhole 52 herein Line is straight line, i.e., oilhole 52 is straight hole, and the channel extending direction of oilhole 52 is gradual from oil inlet to oil outlet Axis far from inner ring, to make the lubricating oil in oilhole 52 smoothly be flowed to oil outlet by centrifugal force.

Outer ring spacer 6 is annular shape, which is provided with fuel feed hole 61, and the import of fuel feed hole 61 is located on the periphery of outer ring spacer 6, into The outlet of oilhole 61 is positioned at 51 top of annular oil groove of inner ring, so that the lubricating oil of the outlet outflow from fuel feed hole 61 can directly flow Enter in annular oil groove 51.There are three fuel feed holes 61, and uniformly distributed along the circumferential direction of outer ring spacer 6.The outlet face lubricating oil of fuel feed hole 61 The oil inlet in hole 52 is arranged, in order to which lubricating oil is easier to enter in oilhole 52.The lower semisection of wherein fuel feed hole 61 is located at On the pillar extended to axis direction, pillar extends in annular oil groove 51.Air admission hole 62, air admission hole are additionally provided on outer ring spacer 6 62 extending direction is identical as the extending direction of fuel feed hole 61, based on spacer ring 6 outward axis extend, bending segment vertically to The side extension of bearing inner race 1, outer ring 2.Region between the gas outlet alignment retainer 4 of air admission hole 62 and outer ring 2, due to this High pressure gas curtain 7 is will produce in region when running at high speed, therefore the gas pressure in air admission hole 62 should be more than high pressure gas curtain 7 Pressure, so that cooling air can penetrate high pressure gas curtain 7 and enter in bearing cavity and cooled down to bearing cavity.

The greasing of the rolling bearing of the utility model：As shown in figure 3, in 1 high speed rotation of bearing inner race, by into Oilhole 61 sprays into lubricating oil into annular oil groove 51, and lubricating oil is in the folder between gear tank deck 53 and the inclined surface of annular oil groove 51 At angle, enter oilhole 52 under the action of the centrifugal force, continue reliance on centrifugal force in oilhole 52 flows to out as power Hydraulic fluid port can not only avoid high pressure gas curtain 7 but also can be directly by lubricating oil since oil outlet is close to the setting of the upper surface of inner ring inclined-plane 11 It flow on inner ring inclined-plane 11, lubricating oil continues reliance on centrifugation force effect edge on inner ring inclined-plane 11 after entering on inner ring inclined-plane 11 Inner ring inclined-plane 11 is flowed to steel ball 3, and then steel ball 3 under the action of the centrifugal force gets rid of lubricating oil to bearing outer ring 2, to realization pair The lubrication of entire bearing.By the outer ring spacer in above-mentioned angular contact ball bearing, lubricating oil is injected into the annular oil grooves to bearing inner race In, optimum way is that lubricating oil is directly sprayed to the entrance of oilhole, and edge is obliquely installed lubricating oil under the action of the centrifugal force Oil guiding hole flow to the gas curtain bevel phase on inner ring, then rely on centrifugal force make the lubricating oil in gas curtain bevel phase along gas curtain inclined-plane Duan Liuxiang steel balls, then steel ball lubricating oil is got rid of into the outer ring to bearing under the influence of centrifugal force, realize the lubrication to bearing.

Cooling procedure：It is passed through high pressure gas by air admission hole 62, high pressure gas is straight after being sprayed from the gas outlet of air admission hole 62 It connects and wears out high pressure gas curtain 7 and enter in bearing cavity, cool to bearing to realize.

In other embodiments：It is interior as lubricating oil is guided the oilhole to the guide surface on bearing inner race inclined-plane Hole face also can be replaced trough wall surface, carry out Oil Guide by oil guide groove at this time；Certainly, guide surface also can be replaced plane, plane Angle of inclination can suitably change, but the lubricating oil that must assure that when rotated thereon can obtain the centrifugal force of enough flowings；Draw Guide face is alternatively arcwall face, includes the two kinds of arcwall faces or waveform face or stairstepping inclined-plane of indent and evagination；Lubricating oil The diameter in hole is also not necessarily limited to 1mm, also greater than or less than 1mm；Oilhole also can be replaced arcuate socket, waveform hole etc.； The quantity of fuel feed hole be alternatively one, two or more；The quantity of air admission hole be alternatively one, two or more；For Rolling bearing of the outer ring as rotation lasso, lubrication spacer ring are outer ring spacer, and corresponding annular oil groove and profit is arranged on outer ring spacer Lubrication hole.

Embodiment 2：As shown in figure 4, difference from example 1 is that, guide surface section be plane or arcwall face, Plane herein can be multiple individual planes and be provided at circumferentially spaced or continuously be arranged or annular surface along inner ring； Cambered surface herein can be multiple individual cambered surfaces, and be arranged circumferentially along inner ring or continuous arcwall face, due to arc Shape face consecutive hours is annular, so form the spherical calotte of annular.

When in use：Lubricating oil is injected in the guide surface section of leakage by oiling device, due to the effect of centrifugal force The lubricating oil in guide surface section can be made to flow to coupled gas curtain bevel phase, the lubrication in gas curtain bevel phase along the guide surface section Oil can continue towards steel ball under the action of the centrifugal force, be located at due to guide surface section except the high-pressure area of high pressure gas curtain, adopted With oiling device to will not lead to lubricating oil splash because of the influence of high pressure gas curtain when spray lubricating oil thereon, will not be because of high pressure The shock of gas curtain and lubricating oil and generate noise, although and gas curtain bevel phase being provide in range in the higher-pressure region of high pressure gas curtain, But since close to not influenced by high pressure gas curtain at the surface of gas curtain bevel phase, gas curtain bevel phase is flowed to along guide surface section The surface that lubricating oil can be close to gas curtain bevel phase is flowed to steel ball, plays the purpose to bearing lubrication.

Embodiment 3：As shown in figure 5, with embodiment 2 the difference is that, the inclination of guide surface section and gas curtain bevel phase Angle is consistent, can facilitate the processing on inner ring inclined-plane in this way.

Embodiment 4：As shown in fig. 6, with embodiment 2 the difference is that, the angle ratio of guide surface section and horizontal axis The angle of gas curtain bevel phase and horizontal axis is small.

Embodiment 5：As shown in fig. 7, difference from example 1-4 is that, the height positioned at high pressure gas curtain of inner ring Intermediate pressure section is provide with the gas curtain bevel phase in range and is equipped with oil guide groove 9, and oil guide groove 9 is the groove that cross section is rectangle, extends Direction is extended to from the lower edge on inner ring inclined-plane at the arc groove from roller along the gradient direction on inner ring inclined-plane, realize with Drainage device（Including guide surface section in Oil Guide channel in embodiment 1 etc., embodiment 2-4 etc. and spray in the prior art Any position that lubricating oil can be drained at the lower end of oil guide groove 9 such as mouth）With the docking respectively of roller, pass through oil guide groove 9 Setting is guided when lubricating oil can be allow to be flowed along inner ring inclined-plane, to improve the efficiency that lubricating oil is flowed along inclined-plane, meanwhile, Oil guide groove 9 can prevent the high pressure gas curtain on top from causing shadow to the flowing of lubricating oil due to having the function of semi-surrounding to lubricating oil It rings.

In other embodiments：The oil guide groove that embodiment 5 also can be added in above-described embodiment 1-4, further to carry High Oil Guide efficiency；Certainly, the oil guide groove can be set on existing common rolling bearing, to improve Oil Guide efficiency；Oil Guide The section of slot is not limited to rectangle, and cross section also can be replaced arc, semicircle or T-slot shape etc.；The quantity of oil guide groove can Appropriate adjustment is needed according to using, oil guide groove is preferably in inner ring last week to being uniformly arranged, to improve the uniformity of lubrication；Turning set Inclined-plane is arranged on outer ring at this time for circle or outer ring；Angular contact ball bearing also can be replaced High-Speed Cylindrical Roller Bearing；Make The channel that groove face surrounds also is can be replaced for the oilhole in Oil Guide channel；It also can lubricating oil is injected into interior by the following method It encloses on inclined-plane, it is to inject lubricating oil on inner ring inclined-plane to ride over the mode on inner ring inclined-plane for example, by using metal tube；Or it uses Fuel feed hole is set on outer ring spacer, so that the oil outlet of fuel feed hole is arranged on being close to inner ring inclined-plane, is sprayed directly on to by spray regime Avoid the high pressure gas curtain above inner ring inclined-plane on inner ring inclined-plane again simultaneously.

Claims

1. rolling bearing, including rotation lasso and static lasso, rotating on lasso has rotation ferrule slope, characterized in that turns Dynamic ferrule slope is equipped with the oil guide groove extended along itself gradient direction, and oil guide groove is arrived for being docked with drainage device with that will accept Lubricating oil guide bearing roller.

2. rolling bearing according to claim 1, characterized in that the rotation ferrule slope includes interconnection and difference The inside and outside gas curtain bevel phase of range and guide surface section are set positioned at high pressure gas shade, the guide surface section constitutes the drainage device, The oil guide groove is arranged in gas curtain bevel phase, and lubricating oil thereon is drained to gas curtain bevel phase by guide surface section using centrifugal force On oil guide groove in be lubricated so that lubricating oil can flow to roller under the action of the centrifugal force along oil guide groove.

3. rolling bearing according to claim 2, characterized in that the oil guide groove have it is multiple, and along rotation lasso week It is arranged to interval.

4. rolling bearing according to claim 3, characterized in that oil guide groove is the friendship from gas curtain bevel phase and guide surface section The straight trough at roller is extended at boundary.

5. rolling bearing according to any one of claims 1-4, characterized in that the cross section of the oil guide groove is square Shape.

6. according to the rolling bearing described in claim 2-4 any one, characterized in that the guide surface section is inner hole surface or slot Wall surface, inner hole surface or trough wall surface surround the Oil Guide channel by lubricating oil.

7. rolling bearing according to claim 6, characterized in that the Oil Guide channel is straight channel.

8. rolling bearing according to claim 7, characterized in that the Oil Guide channel is pore.

9. rolling bearing according to claim 6, characterized in that rotation lasso corresponds to is coaxially arranged with ring at guide surface section Shape oil groove, the slot of annular oil groove is equipped at avoids the varus that lubricating oil is thrown away along the cell wall of annular oil groove under the action of the centrifugal force Keep off tank deck.

10. rolling bearing according to claim 9, characterized in that the cell wall of annular oil groove keeps off tank deck shape with the varus At angle, the Oil Guide channel is located at angle.

11. rolling bearing according to claim 10, characterized in that the cell wall of the annular oil groove is obliquely installed so that its On lubricating oil flow to the angle under the action of the centrifugal force.

12. rolling bearing according to claim 11, characterized in that rolling bearing further includes being fixed with the static lasso The spacer ring of connection, the spacer ring are equipped with fuel feed hole, and the outlet of fuel feed hole is stretched into annular oil groove to be annular oil groove fuel feeding.

13. rolling bearing according to claim 12, characterized in that the outlet of the fuel feed hole is towards the annular oil groove Inclination cell wall be arranged so that outlet lubricating oil spray to the inclination cell wall.

14. according to the rolling bearing described in claim 7-13 any one, characterized in that Oil Guide channel has multiple and along rotation The circumferential direction of lasso is uniformly arranged.

15. rolling bearing according to claim 12 or 13, characterized in that be additionally provided on the spacer ring for being passed through cooling For gas to carry out cooling air admission hole to bearing, the outlet of air admission hole is used for the static lasso of the close bearing of alignment bearings retainer Side, the pressure of cooling air is more than the pressure of high pressure gas curtain.

16. according to the rolling bearing described in claim 2-4 any one, characterized in that the guide surface section is plane or arc Face.

17. rolling bearing according to claim 16, characterized in that the guide surface section is plane, the inclination angle of plane Degree is identical as the angle of inclination of gas curtain bevel phase.

Include the rotation ferrule slope for being contacted with bearing roller 18. rotating lasso, characterized in that on rotation ferrule slope Equipped with the oil guide groove extended along itself gradient direction, oil guide groove is used to dock with drainage device to be oriented to the lubricating oil that will be accepted Bearing roller.

19. rotation lasso according to claim 18, characterized in that the rotation ferrule slope includes being connected with each other and dividing Not Wei Yu high pressure gas shade set the inside and outside gas curtain bevel phase of range and guide surface section, the guide surface section constitutes the drainage and fills It sets, the oil guide groove is arranged in gas curtain bevel phase, and it is oblique that lubricating oil thereon using centrifugal force is drained to gas curtain by guide surface section It is lubricated in oil guide groove in the section of face so that lubricating oil can flow to roller under the action of the centrifugal force along oil guide groove.

20. rotation lasso according to claim 19, characterized in that the oil guide groove have it is multiple, and along rotation lasso It is provided at circumferentially spaced.

21. rotation lasso according to claim 20, characterized in that oil guide groove is from gas curtain bevel phase and guide surface section Intersection extends to the straight trough at roller.

22. according to the rotation lasso described in claim 18-21 any one, characterized in that the cross section of the oil guide groove is Rectangle.

23. according to the rotation lasso described in claim 19-21 any one, characterized in that the guide surface section is inner hole surface Or trough wall surface, inner hole surface or trough wall surface surround the Oil Guide channel by lubricating oil.

24. rotation lasso according to claim 23, characterized in that the Oil Guide channel is straight channel.

25. rotation lasso according to claim 24, characterized in that the Oil Guide channel is pore.

26. rotation lasso according to claim 23, characterized in that rotation lasso corresponds to be coaxially arranged at guide surface section Annular oil groove, the slot of annular oil groove is along place equipped with avoiding in lubricating oil throws away along the cell wall of annular oil groove under the action of the centrifugal force Turn over gear tank deck.

27. rotation lasso according to claim 26, characterized in that the cell wall of annular oil groove keeps off tank deck shape with the varus At angle, the Oil Guide channel is located at angle.

28. rotation lasso according to claim 27, characterized in that the cell wall of the annular oil groove is obliquely installed so that its On lubricating oil flow to the angle under the action of the centrifugal force.

29. according to the rotation lasso described in claim 24-28 any one, characterized in that Oil Guide channel has multiple and edge to turn The circumferential direction of dynamic lasso is uniformly arranged.

30. according to the rotation lasso described in claim 19-21 any one, characterized in that the guide surface section be plane or Cambered surface.

31. rotation lasso according to claim 30, characterized in that the guide surface section is plane, the inclination angle of plane Degree is identical as the angle of inclination of gas curtain bevel phase.