CN107448481B - A kind of blower turntable bearing leakproof rouge sealing structure - Google Patents
A kind of blower turntable bearing leakproof rouge sealing structure Download PDFInfo
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- CN107448481B CN107448481B CN201710830316.7A CN201710830316A CN107448481B CN 107448481 B CN107448481 B CN 107448481B CN 201710830316 A CN201710830316 A CN 201710830316A CN 107448481 B CN107448481 B CN 107448481B
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- oil
- row
- rouge
- sealing ring
- guide pipe
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a kind of blower turntable bearing leakproof rouge sealing structures, including the inside race being combined together and outer collar, there is at least row's raceway that can accommodate rolling element between the inside race and outer collar, sealing ring is respectively equipped between the inside race and outer collar of the raceway two sides, at least one row rouge hole is offered on the sealing ring of the raceway one or both sides, and oil return system is connected with by each row rouge hole, the oil return system is mainly by least one oil guide pipe, at least one oil passage control valve and oil catcher composition, the upstream end of each oil guide pipe is sealedly connected on the corresponding row rouge hole of corresponding sealing ring, downstream is sealedly connected on oil catcher, each oil passage control valve is arranged on corresponding oil guide pipe.The present invention is suitable for the operating condition of various row's rouge resistances under the premise of being not necessarily to the lift-off seal circle pressure resistance limit, and sealing effect is good, and operational process is stable and reliable, can be effectively prevented the unordered leakage of lubricant grease in raceway.
Description
Technical field
The present invention relates to the turntable bearing of wind-driven generator, specifically a kind of turnplate bearing of wind power generator leakproof rouge sealing
Structure.
Background technique
Wind-driven generator-i.e. the yaw bearing of blower and pitch variable bearings are that one kind is able to bear at the same time biggish axial direction respectively
The turntable bearing of the combined loads such as load, radial load and tilting moment, is mainly made of inside race and outer collar, inside race
There is at least row's raceway (usually single or double raceway) that can accommodate rolling element between outer collar, raceway two sides
Sealing ring is respectively equipped between inside race and outer collar.
The sealing structure of existing blower turntable bearing is that the raceway between inside race and outer collar is completely by two sides
Sealing ring realizes sealing, i.e. the root of sealing ring is inlaid in outer collar/inside race seal groove, lip contact seals inner sleeve
Circle/outer collar sealing surface, in this way, two seals on turntable bearing are by raceway between inside race and outer collar and extraneous
Completely isolated, closing, so that the lubricant grease injected in raceway be made to be sealed, prevent from revealing.In order to realize lubricating oil in raceway
The controllable outlet of rouge is equipped with the radial row rouge hole communicated with raceway in the outer collar of turntable bearing or inside race, makes in raceway
The lubricant grease outlet controllable by the radial row rouge hole on outer collar or inside race, such as disclosed in Chinese patent literature
" a kind of leakproof rouge wind-powered turntable bearing " (publication number: CN 203067553, publication date: on July 17th, 2013).
However, the sealing structure on above-mentioned turntable bearing easily occurs in use leaks showing for rouge at sealing ring
As the sealing ring pressure resistance limit under this excessive operating condition of row's of being primarily due to rouge resistance is not caused enough.Specifically, turntable bearing rolls
The excessive row's rouge hole that will lead on outer collar or inside race of row's rouge resistance in road is not easy out rouge, will so cause lubricating oil
Rouge is gradually accumulated in raceway, and then position squeezes to everywhere in including sealing ring, when the lubricating oil of raceway building up inside
When the pressure that rouge generates is greater than the pressure-resistant limit of sealing ring, lubricant grease will be from the lip of sealing ring and corresponding lasso (housing
Circle or inside race) sealing surface contact sealing at generate leakage, this can not only generate pollution to blower and external environment, but also
It will affect the normal operation of the other components of blower, to increase the maintenance difficulties and workload of blower.
The prior art is the sealing knot for changing sealing ring to the universal solution of above-mentioned blower turntable bearing leakage rouge phenomenon
Structure enhances the pressure-resistant limit of sealing ring, such as Chinese patent literature public affairs including the change to sealing ring root and lip configurations
" turntable bearing " (publication number: CN 205423564, publication date: on August 3rd, 2016) opened.Although these technical measures are one
Determine to reduce the leakage rouge phenomenon at turntable bearing sealing ring, but its stability and less reliable in degree, once outer collar
Or the row rouge hole on inside race, when encountering bigger row's rouge resistance, the pressure-resistant limit of sealing ring is still inadequate, the leakage at sealing ring
Rouge phenomenon still remains.
Summary of the invention
Technical purpose of the invention is: for the particularity and the deficiencies in the prior art of above-mentioned blower turntable bearing, mentioning
It is good for a kind of sealing effect, operational process is stable and reliable, the blower turntable bearing that effectively prevent lubricant grease in raceway to leak outside
Leakproof rouge sealing structure.
The present invention realizes that technical solution used by its technical purpose is: a kind of blower turntable bearing leakproof rouge sealing knot
Structure, including the inside race being combined together and outer collar, rolling element can be accommodated by having between the inside race and outer collar
At least row's raceway is respectively equipped with sealing ring, the raceway side or two between the inside race and outer collar of the raceway two sides
At least one row rouge hole is offered on the sealing ring of side and oil return system, the oil return system are connected with by each row rouge hole
System is mainly made of at least one oil guide pipe, at least one oil passage control valve and oil catcher, and the upstream end of each oil guide pipe is close
The corresponding row rouge hole upstream and downstream end that envelope is connected to corresponding sealing ring is sealedly connected on oil catcher, each oil passage control valve cloth
It sets on corresponding oil guide pipe.
One of preferably, the row rouge hole on the sealing ring is formed with the axial direction of opposite turntable bearing, institute
The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in the row's of stating rouge hole and outer end, the inner end in row's rouge hole is to turn
Dish axle holds the arrival end that internal grease flows into row rouge hole, sealing ring inner surface corresponding to the arrival end in row's rouge hole and/
Or turntable bearing lasso surface offers oil guide groove corresponding with row rouge hole, the arrival end of the oil guide groove and corresponding row rouge hole
Mutually it is connected.
One of preferably, the oil passage control valve of the oil return system is the one-way cock structure of one-way conduction.
One of preferably, the oil catcher of the oil return system is collection oil bag structure, oil-collecting bottle structure or oil collection box
Structure.Further, the oil catcher is arranged on the opposite static lasso of the connected sealing ring of the oil catcher of turntable bearing.
Further, the turntable bearing lasso where the oil catcher is radially equipped with row's rouge hole for communicating with raceway, the collection
Oily device is sealedly connected on the radial row rouge hole of the turntable bearing lasso where it.
One of preferably, the oil guide pipe of the oil return system is mainly by oil guide pipe upper section and oil guide pipe lower section group
At the oil guide pipe upper section and oil guide pipe lower section are combined by the sealed connection of corresponding oil passage control valve.
One of preferably, the oil catcher of the oil return system is one or more；One oil catcher is corresponding
Cooperate all oil guide pipes；Each of the multiple oil catcher oil catcher corresponding matching at least one oil guide pipe.
The lip of the sealing ring of the raceway two sides is towards opposite or identical.
The method have the benefit that:
Change 1. the present invention makees excessive structure without sealing ring internally, between outer collar, is only opened up on sealing ring
Row's rouge hole of axially extending bore structure, and corresponding on row's rouge hole of sealing ring add additional oil return system and can be realized in raceway
Outlet lubricant grease recycling, concentrate, to be suitable for various rows under the premise of being not necessarily to the lift-off seal circle pressure resistance limit
The operating condition of rouge resistance, structure is simple, easily manufactured, and sealing effect is good, and operational process is stable and reliable, can be effectively prevented
The unordered leakage of lubricant grease in raceway；
2. row's rouge pore structure on sealing ring of the present invention can be effective by the oil guide pipe of oil return system and raceway inner space
Ground conducting, it is ensured that the channel of lubricant grease outlet is smooth, does not block, and then ensure the lubricant grease in raceway orderly, it is controllable
Outlet is effectively reduced the outlet pressure of lubricant grease in the born raceway of sealing ring, further increases sealing ring to inner and outer sleeves
The sealing effect of raceway between circle；
It flows backwards 3. the structure of oil return system of the present invention can either prevent the recycling grease in oil catcher into raceway, and energy
It enough avoids the lubricant grease in raceway from passing through oil return system unlimitedly outlet, eliminates and work is operated normally to turntable bearing
Interference, to be effectively reduced the arrangement difficulty on turntable bearing while ensuring its function.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Code name meaning in figure: 1-inside race；2-outer collars；3-raceways；4-sealing surfaces；5-sealing rings；6-row's rouge
Hole；7-seal grooves；8-oil guide pipe upper sections；9-oil passage control valves；10-oil guide pipe lower sections；11-oil catchers；12-roll
Body.
Specific embodiment
The present invention relates to the wind-driven generator-i.e. turntable bearings of blower, specifically the leakproof rouge sealing of blower turntable bearing
Structure, the turntable bearing are the pitch variable bearings or yaw bearing of blower.Below with multiple embodiments to technology contents of the invention
In detail, completely fairly set out, wherein embodiment 1 carries out in detail, clearly technology contents of the invention in conjunction with attached drawing-Fig. 1
Illustrate to Chu, other embodiments are not drawn individually, but main structure remains unchanged and is referred to the attached drawing of embodiment 1.
Embodiment 1
Shown in Figure 1, the present invention includes inside race 1, outer collar 2 and oil return system.
Wherein, inside race 1 and the radial suit assembly of outer collar 2 are combined.Specifically, the peripheral surface of inside race 1
The corresponding raceway 3 of a row is equipped between the inner peripheral surface of outer collar 2, the raceway 3 is circumferential between inside race 1 and outer collar 2
Molding, raceway 3 is for accommodating rolling element 12；Inside race 1 and outer collar 2 pass through the rolling element 12 in raceway 3 with relative rotation
Mode, which is assembled, to be combined.Aforementioned outer collar 2 radially offers multiple i.e. main row's rouge in the row's rouge hole-communicated with raceway 3
Hole.
Being injected in raceway 3 between inside race 1 and outer collar 2 ensures that rolling element 12 realizes good rolling in raceway 3
The lubricant grease of operation, in order to prevent the lubricant grease leakage in raceway 3, the inside race 1 and outer collar 2 of the upper and lower two sides of raceway 3
Between be respectively equipped with sealing ring 5, for pitch variable bearings, it is close that one of sealing ring is in position, another road close to blade-side
Seal is in close to the position of hub side；For yaw bearing, one of sealing ring is in close to the position, another of frame side
Road sealing ring is in close to the position of tower side；The sealing ring 5 of upper and lower two sides is by the raceway 3 between inside race 1 and outer collar 2
It is isolated from the outside, seals；In addition, the lip of the sealing ring 5 of aforementioned upper and lower two sides is towards on the contrary, specifically, outer collar 2 in figure
The top of inner peripheral surface offers seal groove 7, and the sealing ring 5 on top is embedded in by its root is fixed on the close of 2 top of outer collar
In sealing groove 7, the lip diameter of upper sealing gasket 5 inwardly prolongs, towards the peripheral surface top of inside race 1, the peripheral surface of inside race 1
The surface portion that top corresponds to upper sealing gasket 5 has sealing surface 4, to make lip and 1 top of inside race of upper sealing gasket 5
Sealing surface 4 contact sealing, in the circumferentially opposed spinning movement of inside race 1 and outer collar 2, the lip of upper sealing gasket 5 is pasted
The firmly sealing surface 4 on 1 peripheral surface top of inside race and in contrast rotational slide sealing；In figure under 1 peripheral surface of inside race
Portion offers seal groove 7, and the sealing ring 5 of lower part is embedded in by its root to be fixed in the seal groove 7 of 1 lower part of inside race, lower part
The lip of sealing ring 5 is radially outwardly extending, inner peripheral surface lower part towards outer collar 2, and the inner peripheral surface lower part of outer collar 2 corresponds to lower part
The surface portion of sealing ring 5 has sealing surface 4, so that the lip of lower seal circle 5 and the sealing surface 4 of 2 lower part of outer collar be made to connect
Touching sealing, in the circumferentially opposed spinning movement of outer collar 2 and inside race 1, the lip of lower seal circle 5 is touched in outer collar 2
The sealing surface 4 of perimeter surface lower part and in contrast rotational slide seal.
Offer that multiple row's rouge hole 6- is i.e. secondary to arrange rouge on above-mentioned 3 side of raceway, sealing ring 5 in figure in top
Hole, these row rouge holes 6 on sealing ring 5 along sealing ring 5 circumferential dispersed placement (be usually evenly arranged, can also be according to sealing ring 5
The region of entire circumferential upper easily accumulation lubricant grease aligns arrangement)；Each row's rouge hole 6 is in the radial middle part of sealing ring 5, also
It is to say, each row's rouge hole 6 is between the root and lip of sealing ring 5.In addition, each row's rouge hole 6 on sealing ring 5 is turned with opposite
The axial direction molding that dish axle is held；Corresponding inner surface and the outside for being molded over sealing ring 5 in the inner end in each row's rouge hole 6 and outer end
Surface, i.e. each row's rouge hole 6 are through-hole structure, and the inner end in each row's rouge hole 6 is that turntable bearing internal grease flows into row rouge hole 6
Arrival end, arrange rouge hole 6 arrival end corresponding to 5 inner surface-of sealing ring that is, arrange rouge hole arrival end end where it is close
5 inner surface of seal offers the counterbore or groove-i.e. oil guide groove of indent, and rouge hole 6 is axially opposing answers by the oil guide groove and row, Oil Guide
Slot is connected with the axial phase of arrival end in corresponding row rouge hole 6, so that row rouge hole 6 is connected with the space in raceway 3.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves 9 and multiple oil catchers 11, the number of oil guide pipe
Amount is consistent with row's rouge 6 quantity of hole on above-mentioned sealing ring 5, and the quantity of oil passage control valve 9 and the quantity of oil guide pipe are consistent, collection
The quantity of oily device 11 is consistent with the quantity of oil guide pipe.Each oil guide pipe is mainly by oil guide pipe upper section 8 and oil guide pipe lower section 10
Composition, the oil guide pipe upper section 8 and oil guide pipe lower section 10 are combined by the sealed connection of corresponding oil passage control valve 9, that is, are led
The downstream of oil pipe upper section 8 is tightly connected combination in the entrance of oil passage control valve 9, and the upstream end of oil guide pipe lower section 10 is tightly connected
Combination is in the outlet of oil passage control valve 9；Each oil guide pipe is around cloth in the outside of outer collar 2, the upstream end of each oil guide pipe
From the corresponding row rouge hole 6 that outside is sealedly connected on above-mentioned sealing ring 5, make each oil guide pipe respectively with it is each on above-mentioned sealing ring 5
It arranges rouge hole 6 and corresponds sealed connection, the downstream of each oil guide pipe, which is sealedly connected on, to be corresponded on oil catcher 11.Oil circuit
Control valve 9 is the one-way cock structure-i.e. check valve or overflow valve of one-way conduction, and oil passage control valve 9 is for controlling corresponding Oil Guide
Pipe forward direction and reverse switching movement.Oil catcher 11 can be collection oil bag structure or oil-collecting bottle structure, also or oil collection box
Structure；Each oil catcher 11 has grease main-inlet and grease sub-inlet, and each oil catcher 11 is connected by the sealing of grease main-inlet
Row's rouge outer end of hole in outer collar 2 is connect, i.e., each 11 fixed and arranged of oil catcher is in the peripheral surface of outer collar 2, it is desirable that each
The position of oil catcher 11 should be opposite the connected sealing ring 5(of the oil catcher, and namely band arranges rouge hole in the present embodiment
Sealing ring 5) static position, the grease sub-inlet of each oil catcher 11 is used for and the downstream of corresponding oil guide pipe sealing company
It connects；In this way, each oil catcher 11 is blocked each row's rouge hole in outer collar 2 is corresponding, if having in outer collar 2 it is extra, not by oil catcher
The 11 row's rouge holes blocked are then blocked using other plug members, that is to say, that the quantity of oil catcher 11 is equal to or less than outer collar 2
On row's rouge hole number.
The course of work that the present invention is on active service on blower is that the lubricant grease pressure inside the raceway 3 of turntable bearing is not
When reaching the 9 unlatching value of oil passage control valve made on oil return system, rouge is not arranged in row's rouge hole 6 on sealing ring 5, and lubricant grease is sealed
For needed for normal lubrication inside the raceway 3 of turntable bearing；Lubricant grease pressure inside the raceway 3 of turntable bearing reaches and makes
When the 9 unlatching value of oil passage control valve of oil return system, row rouge hole 6 of the lubricant grease on oil guide groove, sealing ring 5 is discharged, according to
It is secondary to enter oil guide pipe upper section 8, oil passage control valve 9, oil guide pipe lower section 10 and oil catcher 11, it recycles, store in oil catcher 11；It returns
The oil circuit of corresponding oil guide pipe is connected reversely can not in the oil passage control valve 9 of oil system, adjusts or change the unlatching of oil passage control valve 9
Pressure, then pressure and sealing ring needed for normally lubricating row's rouge pressure value control in the row rouge hole 6 on sealing ring 5 in turntable bearing
Between the 5 pressure-resistant limit, so that the effect entirely sealed reaches best.In this way, real while guaranteeing that sealing ring 5 normally seals
Rouge pressure release is now arranged, reduces the accumulation of the 3 internal lubrication grease of raceway of turntable bearing and the lubricant grease at sealing ring 5 leaks now
As.
Embodiment 2
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
The corresponding raceway of a row is equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned outer collar radially offers row's rouge hole-i.e. main row's rouge hole that one communicates with raceway.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the sealing ring of aforementioned upper and lower two sides lip towards on the contrary, specifically, the top of outer collar inner peripheral surface offer it is close
Sealing groove, the sealing ring on top is embedded in by its root to be fixed in the seal groove on outer collar top, the lip diameter of upper sealing gasket
Inwardly prolong, towards the peripheral surface top of inside race, the peripheral surface top of above-mentioned inside race corresponds to the surface of upper sealing gasket
Position has sealing surface, so that the lip of upper sealing gasket and the sealing face contact on inside race top be made to seal, in inside race and
In the circumferentially opposed spinning movement of outer collar, the lip of upper sealing gasket touch the sealing surface, simultaneously on inside race peripheral surface top
Rotational slide seals in contrast；The lower part of inside race peripheral surface offers seal groove, and the sealing ring of lower part passes through its root
It is embedded in and is fixed in the seal groove of inside race lower part, the lip of lower seal circle is radially outwardly extending, inner peripheral surface towards outer collar
Lower part, the surface portion that the inner peripheral surface lower part of outer collar corresponds to lower seal circle has sealing surface, to make lower seal circle
Lip and outer collar lower part sealing face contact seal, in the circumferentially opposed spinning movement of outer collar and inside race, lower part
The lip of sealing ring touch the sealing surface of outer collar inner peripheral surface lower part and in contrast rotational slide sealing.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on above-mentioned raceway side, sealing ring in top, on sealing ring
These row rouge holes along sealing ring circumferential dispersed placement (be usually evenly arranged, can also be according to the entire circumferentially upper easy heap of sealing ring
The region of product lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of sealing ring, that is to say, that each row's rouge hole
It is between the root of sealing ring and lip.In addition, each row's rouge hole on sealing ring with the axial direction relative to turntable bearing at
Type；The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in each row's rouge hole and outer end, i.e. each row's rouge hole is
Through-hole structure, the inner end in each row's rouge hole are the arrival end that turntable bearing internal grease flows into row rouge hole, arrange the arrival end in rouge hole
The corresponding sealing ring inner surface-that is, sealing ring inner surface where arranging the arrival end end in rouge hole offers indent
Counterbore or groove-i.e. oil guide groove, the oil guide groove and row rouge hole are axially corresponding, and oil guide groove and the arrival end in corresponding row rouge hole are axial
Mutually it is connected, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and an oil catcher, the quantity of oil guide pipe
Consistent with row's rouge hole number on above-mentioned sealing ring, the quantity of oil passage control valve and the quantity of oil guide pipe are consistent.Each
Oil guide pipe is mainly made of oil guide pipe upper section and oil guide pipe lower section, and the oil guide pipe upper section and oil guide pipe lower section pass through corresponding oil circuit
Control valve sealed connection is combined, i.e., the downstream of oil guide pipe upper section is tightly connected the entrance combined in oil passage control valve,
The upstream end of oil guide pipe lower section is tightly connected combination in the outlet of oil passage control valve；Each oil guide pipe is around cloth in the outer of outer collar
Portion, the upstream end of each oil guide pipe make each oil guide pipe point from the corresponding row rouge hole that outside is sealedly connected on above-mentioned sealing ring
It does not correspond and is tightly connected with each row's rouge hole on above-mentioned sealing ring, the downstream of each oil guide pipe is sealedly connected on oil-collecting
On device.Oil passage control valve is the one-way cock structure-i.e. check valve or overflow valve of one-way conduction, and oil passage control valve is for control pair
Answer oil guide pipe forward direction and reverse switching movement.Oil catcher can be collection oil bag structure or oil-collecting bottle structure, also or collection
Oil box structure；There is oil catcher grease main-inlet and grease sub-inlet, oil catcher to be sealedly connected on housing by grease main-inlet
Row's rouge outer end of hole of circle, i.e., oil catcher fixed and arranged is in the peripheral surface of outer collar, it is desirable that the position of oil catcher should
For the position that opposite the connected sealing ring of the oil catcher (sealing ring namely with row rouge hole in the present embodiment) is static, oil-collecting
The grease sub-inlet of device is used to be tightly connected by the downstream of jointing and each oil guide pipe；In this way, oil catcher is by outer collar
On row's rouge hole block.
Embodiment 3
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
Two rows of corresponding raceways are equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned inside race radially offers multiple row's rouge holes-i.e. communicated with raceway main row's rouge hole.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the lip of the sealing ring of aforementioned upper and lower two sides is towards on the contrary, specifically, outer collar inner peripheral surface top offers sealing
Slot, the sealing ring on top is embedded in by its root to be fixed in the seal groove on outer collar top, and the lip of upper sealing gasket is radial
Inside prolong, towards the peripheral surface top of inside race, the peripheral surface top of above-mentioned inside race corresponds to the surface element of upper sealing gasket
Position has sealing surface, so that the lip of upper sealing gasket and the sealing face contact on inside race top be made to seal, in inside race and outer
In the circumferentially opposed spinning movement of lasso, the lip of upper sealing gasket touch the sealing surface on inside race peripheral surface top and with
Relative rotational sliding sealing；Inside race peripheral surface lower part offers seal groove, and the sealing ring of lower part is embedded in by its root
It being fixed in the seal groove of inside race lower part, the lip of lower seal circle is radially outwardly extending, inner peripheral surface lower part towards outer collar,
The surface portion that the inner peripheral surface lower part of outer collar corresponds to lower seal circle has sealing surface, to make the lip of lower seal circle
It is sealed with the sealing face contact of outer collar lower part, in the circumferentially opposed spinning movement of outer collar and inside race, lower seal circle
Lip touch outer collar inner peripheral surface lower part sealing surface and in contrast rotational slide seal.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on above-mentioned raceway side, sealing ring in lower part, on sealing ring
These row rouge holes along sealing ring circumferential dispersed placement (be usually evenly arranged, can also be according to the entire circumferentially upper easy heap of sealing ring
The region of product lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of sealing ring, that is to say, that each row's rouge hole
It is between the root of sealing ring and lip.In addition, each row's rouge hole on sealing ring with the axial direction relative to turntable bearing at
Type；The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in each row's rouge hole and outer end, i.e. each row's rouge hole is
Through-hole structure, the inner end in each row's rouge hole are the arrival end that turntable bearing internal grease flows into row rouge hole, arrange the arrival end in rouge hole
Corresponding inside race, which seals rooved face-that is, arranges sealing rooved face corresponding to the arrival end end in rouge hole, offers indent
Counterbore or groove-i.e. oil guide groove, the oil guide groove and row rouge hole are axially corresponding, and oil guide groove and the arrival end in corresponding row rouge hole are axial
Mutually it is connected, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and multiple oil catchers, the quantity of oil guide pipe
Consistent with row's rouge hole number on above-mentioned sealing ring, the quantity of oil passage control valve and the quantity of oil guide pipe are consistent, oil catcher
Quantity it is consistent with the quantity of oil guide pipe.Each oil guide pipe is mainly made of oil guide pipe upper section and oil guide pipe lower section, this is led
Oil pipe upper section and oil guide pipe lower section are combined by the sealed connection of corresponding oil passage control valve, i.e. the downstream of oil guide pipe upper section
End is tightly connected combination in the entrance of oil passage control valve, and the upstream end of oil guide pipe lower section is tightly connected combination in oil passage control valve
Outlet；Around cloth in the outside of inside race, the upstream end of each oil guide pipe is sealedly connected on above-mentioned each oil guide pipe from outside
On the corresponding row rouge hole of sealing ring, corresponds each oil guide pipe with each row's rouge hole on above-mentioned sealing ring respectively and is tightly connected,
The downstream of each oil guide pipe, which is sealedly connected on, to be corresponded on oil catcher.Oil passage control valve is the one-way cock of one-way conduction
Structure-i.e. check valve or overflow valve, oil passage control valve are used to control corresponding oil guide pipe forward direction and reverse switching movement.Oil-collecting
Device can be collection oil bag structure or oil-collecting bottle structure, also or oil collection box structure；Each oil catcher have grease main-inlet and
Grease sub-inlet, each oil catcher are sealedly connected on row's rouge outer end of hole of inside race, i.e., each oil catcher by grease main-inlet
Fixed and arranged is in the peripheral surface of inside race, it is desirable that the position of each oil catcher should be the opposite oil catcher and connected
The static position of sealing ring (sealing ring namely with row rouge hole in the present embodiment), the grease sub-inlet of each oil catcher are used
It is tightly connected in the downstream of corresponding oil guide pipe；It is blocked in this way, each oil catcher corresponds to each row's rouge hole on inside race, if interior
There is row's rouge hole that is extra, not blocked by oil catcher then to block using other plug members on lasso, that is to say, that the number of oil catcher
Amount is equal to or less than row's rouge hole number on inside race.
Embodiment 4
Other contents of the present embodiment are identical as embodiment 1,2 or 3, the difference is that: oil guide groove in raceway
Molding structure is, respectively with indent counterbore or groove structure take shape in sealing ring inner surface corresponding to sealing ring row rouge hole and
Rooved face is sealed, i.e., each on sealing ring arranges rouge hole and the counterbore of corresponding sealing ring inner surface or groove and seal groove
The axially corresponding molding of the counterbore or groove on surface, the counterbore or groove of sealing ring inner surface and seal rooved face counterbore or
Groove constitutes oil guide groove corresponding with sealing ring row rouge hole, so that sealing ring row rouge hole is connected with the space in raceway.
Embodiment 5
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
The corresponding raceway of a row is equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned outer collar radially offers multiple row's rouge holes-i.e. communicated with raceway main row's rouge hole.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the lip of the sealing ring of aforementioned upper and lower two sides is towards identical, specifically, outer collar inner peripheral surface upper and lower part is distinguished
Seal groove is offered, two seals pass through respectively in the corresponding embedded seal groove being fixed in outer collar in its root, and top is close
The lip diameter of seal inwardly prolongs, towards the peripheral surface top of inside race, and the lip diameter of lower seal circle inwardly prolongs, towards inner sleeve
The peripheral surface lower part of circle, the peripheral surface upper and lower part of inside race are respectively provided with the sealing surface of corresponding two seals, from
And the lip of upper sealing gasket and the sealing face contact on inside race top are sealed, the lip of lower seal circle and inside race lower part
The sealing of sealing face contact, in the circumferentially opposed spinning movement of inside race and outer collar, the lip of upper and lower part sealing ring is corresponding
Touch the sealing surface of inside race peripheral surface and in contrast rotational slide sealing.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on the sealing ring of above-mentioned raceway two sides respectively, on per pass sealing ring
These row rouge holes (are usually evenly arranged, can also easily accumulate according to sealing ring is entirely circumferentially upper along the circumferential dispersed placement of sealing ring
The region of lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of corresponding sealing ring, that is to say, that each row's rouge
Hole is between the root and lip of corresponding sealing ring.In addition, each row's rouge hole on per pass sealing ring is with opposite turntable bearing
Axial direction molding；The corresponding inner surface and outer surface for being molded over corresponding sealing ring in the inner end in each row's rouge hole and outer end,
I.e. each row's rouge hole is through-hole structure, and the inner end in each row's rouge hole is the arrival end that turntable bearing internal grease flows into row rouge hole,
In sealing ring where the arrival end end in correspondence sealing ring inner surface-corresponding to the arrival end in row rouge hole that is, row rouge hole
Side surface offers the counterbore or groove-i.e. oil guide groove of indent, and the oil guide groove and row rouge hole are axially corresponding, oil guide groove with it is corresponding
The axial mutually linking of arrival end for arranging rouge hole, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and multiple oil catchers；Oil guide pipe has two groups,
The quantity of every group of oil guide pipe is consistent with row's rouge hole number on per pass sealing ring, the quantity of oil passage control valve and every group of oil guide pipe
Quantity it is consistent, the quantity of oil catcher is consistent with the quantity of every group of oil guide pipe.Each oil guide pipe in every group mainly by
Oil guide pipe upper section and oil guide pipe lower section composition, the oil guide pipe upper section and oil guide pipe lower section are connected by the sealing of corresponding oil passage control valve
It connects and combines, i.e., the downstream of oil guide pipe upper section is tightly connected the entrance combined in oil passage control valve, oil guide pipe lower section
Upstream end is tightly connected combination in the outlet of oil passage control valve；Each oil guide pipe in every group around cloth in the outside of outer collar,
The upstream end of each oil guide pipe in every group makes each from the corresponding row rouge hole that outside is sealedly connected on above-mentioned per pass sealing ring
Oil guide pipe corresponds with each row's rouge hole on above-mentioned both sides sealing circle be tightly connected respectively, each oil guide pipe in every group
Downstream is sealedly connected on one-to-one oil catcher.Oil passage control valve is that the one-way cock structure-of one-way conduction is i.e. unidirectional
Valve or overflow valve, oil passage control valve are used to control corresponding oil guide pipe forward direction and reverse switching movement.Oil catcher can be oil-collecting
Bag structure or oil-collecting bottle structure, also or oil collection box structure；Each oil catcher has grease main-inlet and grease sub-inlet,
Each oil catcher is sealedly connected on row's rouge outer end of hole of outer collar by grease main-inlet, i.e., each oil catcher fixed and arranged is outside
In the peripheral surface of lasso, it is desirable that it is static that the position of each oil catcher should be opposite the connected sealing ring of the oil catcher
Position, the grease sub-inlet of each oil catcher are used to be tightly connected with the downstream of corresponding oil guide pipe；In this way, each oil catcher will be outer
The corresponding closure in each row's rouge hole on lasso, using other stifled if having row's rouge hole that is extra, not blocked by oil catcher in outer collar
Plunger member blocks, that is to say, that the quantity of oil catcher is equal to or less than row's rouge hole number in outer collar.
Embodiment 6
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
The corresponding raceway of a row is equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned outer collar radially offers multiple row's rouge holes-i.e. communicated with raceway main row's rouge hole.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the lip of the sealing ring of aforementioned upper and lower two sides is towards on the contrary, specifically, outer collar inner peripheral surface top offers sealing
Slot, the sealing ring on top is embedded in by its root to be fixed in the seal groove on outer collar top, and the lip of upper sealing gasket is radial
Inside prolong, towards the peripheral surface top of inside race, the peripheral surface top of above-mentioned inside race corresponds to the surface element of upper sealing gasket
Position has sealing surface, so that the lip of upper sealing gasket and the sealing face contact on inside race top be made to seal, in inside race and outer
In the circumferentially opposed spinning movement of lasso, the lip of upper sealing gasket touch the sealing surface on inside race peripheral surface top and with
Relative rotational sliding sealing；Inside race peripheral surface lower part offers seal groove, and the sealing ring of lower part is embedded in by its root
It being fixed in the seal groove of inside race lower part, the lip of lower seal circle is radially outwardly extending, inner peripheral surface lower part towards outer collar,
The surface portion that the inner peripheral surface lower part of outer collar corresponds to lower seal circle has sealing surface, to make the lip of lower seal circle
It is sealed with the sealing face contact of outer collar lower part, in the circumferentially opposed spinning movement of outer collar and inside race, lower seal circle
Lip touch outer collar inner peripheral surface lower part sealing surface and in contrast rotational slide seal.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on above-mentioned raceway side, sealing ring in top, on sealing ring
These row rouge holes along sealing ring circumferential dispersed placement (be usually evenly arranged, can also be according to the entire circumferentially upper easy heap of sealing ring
The region of product lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of sealing ring, that is to say, that each row's rouge hole
It is between the root of sealing ring and lip.In addition, each row's rouge hole on sealing ring with the axial direction relative to turntable bearing at
Type；The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in each row's rouge hole and outer end, i.e. each row's rouge hole is
Through-hole structure, the inner end in each row's rouge hole are the arrival end that turntable bearing internal grease flows into row rouge hole, arrange the arrival end in rouge hole
Corresponding outer collar, which seals rooved face-that is, arranges sealing rooved face corresponding to the arrival end end in rouge hole, offers indent
Counterbore or groove-i.e. oil guide groove, the oil guide groove and row rouge hole are axially corresponding, and oil guide groove and the arrival end in corresponding row rouge hole are axial
Mutually it is connected, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and multiple oil catchers, the quantity of oil guide pipe
Consistent with row's rouge hole number on above-mentioned sealing ring, the quantity of oil passage control valve and the quantity of oil guide pipe are consistent, oil catcher
Quantity it is consistent with the quantity of oil guide pipe.Each oil guide pipe is around cloth in the outside of outer collar, the upstream of each oil guide pipe
Hold from the corresponding row rouge hole that outside is sealedly connected on above-mentioned sealing ring, make each oil guide pipe respectively with each row on above-mentioned sealing ring
Rouge hole, which corresponds, to be tightly connected, and the downstream of each oil guide pipe is tightly connected oil passage control valve.Oil passage control valve is unidirectional
One-way cock structure-i.e. the check valve or overflow valve of conducting, oil passage control valve are used to control corresponding oil guide pipe forward direction and reverse
Switching movement.Oil catcher can be collection oil bag structure or oil-collecting bottle structure, also or oil collection box structure；Each oil-collecting utensil
There are grease main-inlet and grease sub-inlet, each oil catcher is sealedly connected on outside row's rouge hole of outer collar by grease main-inlet
End, i.e., each oil catcher fixed and arranged is in the peripheral surface of outer collar, it is desirable that the position of each oil catcher should be phase
The position static to the connected sealing ring of the oil catcher (sealing ring namely with row rouge hole in the present embodiment), each oil-collecting
The grease sub-inlet of device is used to connect with the exit seal of the connected oil passage control valve in the downstream of corresponding oil guide pipe；In this way, each
Oil catcher is by the corresponding closure in each row's rouge hole in outer collar, if having row's rouge hole that is extra, not blocked by oil catcher in outer collar
It is blocked using other plug members, that is to say, that the quantity of oil catcher is equal to or less than row's rouge hole number in outer collar.
Based on the present embodiment, oil passage control valve can also be sealedly connected on to the upstream end of oil guide pipe, i.e. the Oil Guide seal of tube
It is connected in the outlet of oil passage control valve, and the entrance of oil passage control valve is then tightly connected row's rouge hole on sealing ring.
Embodiment 7
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
Two rows of corresponding raceways are equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned inside race radially offers multiple row's rouge holes-i.e. communicated with raceway main row's rouge hole.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the lip of the sealing ring of aforementioned upper and lower two sides is towards on the contrary, specifically, outer collar inner peripheral surface top offers sealing
Slot, the sealing ring on top is embedded in by its root to be fixed in the seal groove on outer collar top, and the lip of upper sealing gasket is radial
Inside prolong, towards the peripheral surface top of inside race, the peripheral surface top of above-mentioned inside race corresponds to the surface element of upper sealing gasket
Position has sealing surface, so that the lip of upper sealing gasket and the sealing face contact on inside race top be made to seal, in inside race and outer
In the circumferentially opposed spinning movement of lasso, the lip of upper sealing gasket touch the sealing surface on inside race peripheral surface top and with
Relative rotational sliding sealing；Inside race peripheral surface lower part offers seal groove, and the sealing ring of lower part is embedded in by its root
It being fixed in the seal groove of inside race lower part, the lip of lower seal circle is radially outwardly extending, inner peripheral surface towards outer collar lower part,
The surface portion that the inner peripheral surface lower part of outer collar corresponds to lower seal circle has sealing surface, to make the lip of lower seal circle
It is sealed with the sealing face contact of outer collar lower part, in the circumferentially opposed spinning movement of outer collar and inside race, lower seal circle
Lip touch outer collar inner peripheral surface lower part sealing surface and in contrast rotational slide seal.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on above-mentioned raceway side, sealing ring in lower part, on sealing ring
These row rouge holes along sealing ring circumferential dispersed placement (be usually evenly arranged, can also be according to the entire circumferentially upper easy heap of sealing ring
The region of product lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of sealing ring, that is to say, that each row's rouge hole
It is between the root of sealing ring and lip.In addition, each row's rouge hole on sealing ring with the axial direction relative to turntable bearing at
Type；The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in each row's rouge hole and outer end, i.e. each row's rouge hole is
Through-hole structure, the inner end in each row's rouge hole are the arrival end that turntable bearing internal grease flows into row rouge hole, arrange the arrival end in rouge hole
Corresponding inside race, which seals rooved face-that is, arranges sealing rooved face corresponding to the arrival end end in rouge hole, offers indent
Counterbore or groove-i.e. oil guide groove, the oil guide groove and row rouge hole are axially corresponding, and oil guide groove and the arrival end in corresponding row rouge hole are axial
Connect, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and multiple oil catchers, the quantity of oil guide pipe
Consistent with row's rouge hole number on above-mentioned sealing ring, the quantity of oil passage control valve and the quantity of oil guide pipe are consistent, oil catcher
Quantity it is consistent with the quantity of oil guide pipe.Each oil guide pipe is mainly made of oil guide pipe upper section and oil guide pipe lower section, this is led
Oil pipe upper section and oil guide pipe lower section are combined by the sealed connection of corresponding oil passage control valve, i.e. the downstream of oil guide pipe upper section
End is tightly connected combination in the entrance of oil passage control valve, and the upstream end of oil guide pipe lower section is tightly connected combination in oil passage control valve
Outlet；Around cloth in the outside of inside race, the upstream end of each oil guide pipe is sealedly connected on above-mentioned each oil guide pipe from outside
On the corresponding row rouge hole of sealing ring, corresponds each oil guide pipe with each row's rouge hole on above-mentioned sealing ring respectively and is tightly connected,
The downstream of each oil guide pipe, which is sealedly connected on, to be corresponded on oil catcher.Oil passage control valve is the one-way cock of one-way conduction
Structure-i.e. check valve or overflow valve, oil passage control valve are used to control corresponding oil guide pipe forward direction and reverse switching movement.Oil-collecting
Device can be collection oil bag structure or oil-collecting bottle structure, also or oil collection box structure；Each oil catcher have grease main-inlet and
Grease sub-inlet, each oil catcher are sealedly connected on row's rouge outer end of hole of inside race, i.e., each oil catcher by grease main-inlet
Fixed and arranged is in the peripheral surface of inside race, it is desirable that the position of each oil catcher should be the opposite oil catcher and connected
The static position of sealing ring (sealing ring namely with row rouge hole in the present embodiment), the grease sub-inlet of each oil catcher are used
It is tightly connected in the downstream of corresponding oil guide pipe；It is blocked in this way, each oil catcher corresponds to each row's rouge hole on inside race, if interior
There is row's rouge hole that is extra, not blocked by oil catcher then to block using other plug members on lasso, that is to say, that the number of oil catcher
Amount is equal to or less than row's rouge hole number on inside race.
Embodiment 8
The present invention includes inside race, outer collar and oil return system.
Wherein, radially suit assembly is combined for inside race and outer collar.Specifically, the peripheral surface of inside race and outer
The corresponding raceway of a row is equipped between the inner peripheral surface of lasso, which circumferentially forms between inside race and outer collar, raceway
For accommodating rolling element；Inside race and outer collar are assembled in a manner of relatively rotating the rolling element in raceway to be combined one
It rises.Aforementioned outer collar radially offers row's rouge hole-i.e. main row's rouge hole that one communicates with raceway.
Being injected in raceway between inside race and outer collar ensures that rolling element realizes good rolling-operation in raceway
Lubricant grease, the lubricant grease leakage in raceway, sets respectively between the inside race and outer collar of the upper and lower two sides of raceway in order to prevent
Have sealing ring, for pitch variable bearings, one of sealing ring be in be in close to the position of blade-side, another road sealing ring it is close
The position of hub side；For yaw bearing, one of sealing ring is in the position close to frame side, another road sealing ring is in
Close to the position of tower side；Raceway between inside race and outer collar is isolated from the outside, seals by the sealing ring of upper and lower two sides；
In addition, the lip of the sealing ring of aforementioned upper and lower two sides is towards identical, specifically, the upper and lower part of outer collar inner peripheral surface point
Seal groove is not offered, and per pass sealing ring is embedded in the correspondence seal groove being fixed in outer collar by its root, per pass sealing
The lip diameter of circle inwardly prolongs, towards the peripheral surface upper and lower part of inside race, and the peripheral surface upper and lower part of inside race is divided
The surface portion for not corresponding to two seals has sealing surface, so that the lip of per pass sealing ring and the sealing surface of inside race be made to connect
Touching sealing, in the circumferentially opposed spinning movement of inside race and outer collar, the lip of two seals touch the outer weekly form of inside race
The sealing surface in face and in contrast rotational slide seal.
The i.e. secondary row rouge hole in multiple row's rouge hole-is offered on above-mentioned raceway side, sealing ring in top, on sealing ring
These row rouge holes along sealing ring circumferential dispersed placement (be usually evenly arranged, can also be according to the entire circumferentially upper easy heap of sealing ring
The region of product lubricant grease aligns arrangement)；Each row's rouge hole is in the radial middle part of sealing ring, that is to say, that each row's rouge hole
It is between the root of sealing ring and lip.In addition, each row's rouge hole on sealing ring with the axial direction relative to turntable bearing at
Type；The corresponding inner surface and outer surface for being molded over sealing ring in the inner end in each row's rouge hole and outer end, i.e. each row's rouge hole is
Through-hole structure, the inner end in each row's rouge hole are the arrival end that turntable bearing internal grease flows into row rouge hole, arrange the arrival end in rouge hole
The corresponding sealing ring inner surface-that is, sealing ring inner surface where arranging the arrival end end in rouge hole offers indent
Counterbore or groove-i.e. oil guide groove, the oil guide groove and row rouge hole are axially corresponding, and oil guide groove and the arrival end in corresponding row rouge hole are axial
Mutually it is connected, so that row rouge hole is connected with the space in raceway.
Oil return system is mainly made of more oil guide pipes, multiple oil passage control valves and an oil catcher, the quantity of oil guide pipe
Consistent with row's rouge hole number on above-mentioned sealing ring, the quantity of oil passage control valve and the quantity of oil guide pipe are consistent.Each
Oil guide pipe is mainly made of oil guide pipe upper section and oil guide pipe lower section, and the oil guide pipe upper section and oil guide pipe lower section pass through corresponding oil circuit
Control valve sealed connection is combined, i.e., the downstream of oil guide pipe upper section is tightly connected the entrance combined in oil passage control valve,
The upstream end of oil guide pipe lower section is tightly connected combination in the outlet of oil passage control valve；Each oil guide pipe is around cloth in the outer of outer collar
Portion, the upstream end of each oil guide pipe make each oil guide pipe point from the corresponding row rouge hole that outside is sealedly connected on above-mentioned sealing ring
It does not correspond and is tightly connected with each row's rouge hole on above-mentioned sealing ring, the downstream of each oil guide pipe is sealedly connected on oil-collecting
On device.Oil passage control valve is the one-way cock structure-i.e. check valve or overflow valve of one-way conduction, and oil passage control valve is for control pair
Answer oil guide pipe forward direction and reverse switching movement.Oil catcher can be collection oil bag structure or oil-collecting bottle structure, also or collection
Oil box structure；There is oil catcher grease main-inlet and grease sub-inlet, oil catcher to be sealedly connected on outer ring by grease main-inlet
Row's rouge outer end of hole, i.e., oil catcher fixed and arranged is in the peripheral surface of outer collar, it is desirable that the position of oil catcher is should be
The static position of opposite the connected sealing ring of the oil catcher (sealing ring namely with row rouge hole in the present embodiment), oil catcher
Grease sub-inlet be used to be tightly connected by the downstream of jointing and each oil guide pipe；In this way, oil catcher will be in outer collar
Row's rouge hole block.
The above various embodiments is only to illustrate the present invention, rather than its limitations；Although referring to the various embodiments described above to this hair
It is bright to be described in detail, those skilled in the art should understand that: the present invention still can be to the various embodiments described above
In specific technical solution modify perhaps equivalent replacement of some of the technical features and these modifications or replace
It changes, the spirit and scope of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (8)
1. a kind of blower turntable bearing leakproof rouge sealing structure, including the inside race (1) being combined together and outer collar (2), institute
Stating has at least row's raceway (3) that can accommodate rolling element (12), the raceway (3) between inside race (1) and outer collar (2)
Be respectively equipped with sealing ring (5) between the inside race (1) and outer collar (2) of two sides, it is characterised in that: raceway (3) side or
At least one row rouge hole (6) is offered on the sealing ring (5) of two sides and oil return system is connected with by each row rouge hole (6),
Row's rouge hole (6) on the sealing ring (5) is formed with the axial direction of opposite turntable bearing, the inner end in row's rouge hole (6) and
The corresponding inner surface and outer surface for being molded over sealing ring (5) in outer end, the inner end in row's rouge hole (6) are inside turntable bearing
Grease flows into the arrival end of row rouge hole (6), sealing ring (5) inner surface corresponding to the arrival end in row's rouge hole (6) and/or
Turntable bearing lasso surface offers oil guide groove corresponding with row rouge hole (6), and the oil guide groove enters with corresponding row rouge hole (6)
Mouth end is mutually connected, and the oil return system is mainly by least one oil guide pipe, at least one oil passage control valve (9) and oil catcher (11)
Composition, the upstream end of each oil guide pipe are sealedly connected on corresponding row rouge hole (6) the upstream and downstream end sealing of corresponding sealing ring (5)
It is connected on oil catcher (11), each oil passage control valve (9) is arranged on corresponding oil guide pipe.
2. blower turntable bearing leakproof rouge sealing structure according to claim 1, it is characterised in that: the oil of the oil return system
Road control valve (9) is the one-way cock structure of one-way conduction.
3. blower turntable bearing leakproof rouge sealing structure according to claim 1, it is characterised in that: the collection of the oil return system
Oily device (11) is collection oil bag structure, oil-collecting bottle structure or oil-collecting box structure.
4. according to claim 1 or the 3 blower turntable bearing leakproof rouge sealing structures, it is characterised in that: the oil catcher
(11) it is arranged on the opposite static lasso of oil catcher (11) the connected sealing ring (5) of turntable bearing.
5. blower turntable bearing leakproof rouge sealing structure according to claim 4, it is characterised in that: oil catcher (11) institute
Turntable bearing lasso be radially equipped with row's rouge hole for communicating with raceway (3), the oil catcher (11) is sealedly connected on it
On the radial row rouge hole of the turntable bearing lasso at place.
6. blower turntable bearing leakproof rouge sealing structure according to claim 1, it is characterised in that: the oil return system is led
Oil pipe is mainly made of oil guide pipe upper section (8) and oil guide pipe lower section (10), the oil guide pipe upper section (8) and oil guide pipe lower section (10)
It is tightly connected and is combined by corresponding oil passage control valve (9).
7. according to claim 1, the blower turntable bearing leakproof rouge sealing structure of 2,3 or 6, it is characterised in that: the oil return
The oil catcher (11) of system is one or more；One all oil guide pipes of oil catcher corresponding matching；The multiple oil catcher
Each of oil catcher corresponding matching at least one oil guide pipe.
8. blower turntable bearing leakproof rouge sealing structure according to claim 1, it is characterised in that: raceway (3) two sides
Sealing ring (5) lip towards opposite or identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830316.7A CN107448481B (en) | 2017-09-15 | 2017-09-15 | A kind of blower turntable bearing leakproof rouge sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830316.7A CN107448481B (en) | 2017-09-15 | 2017-09-15 | A kind of blower turntable bearing leakproof rouge sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107448481A CN107448481A (en) | 2017-12-08 |
| CN107448481B true CN107448481B (en) | 2019-03-29 |
Family
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Family Applications (1)
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| CN201710830316.7A Active CN107448481B (en) | 2017-09-15 | 2017-09-15 | A kind of blower turntable bearing leakproof rouge sealing structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107917137A (en) * | 2017-12-12 | 2018-04-17 | 洛阳新能轴承制造有限公司 | A kind of water proof type pitch variable bearings |
| EP3904669A1 (en) * | 2020-04-28 | 2021-11-03 | Siemens Gamesa Renewable Energy A/S | Wind turbine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043651A1 (en) * | 1999-01-20 | 2000-07-27 | Kaellander Tore | A device arranged for cooling a machine assembly arranged to be associated with an engine |
| CN103062224A (en) * | 2013-01-10 | 2013-04-24 | 河南科技大学 | Grease-leakage-prevention wind electricity turntable bearing |
| CN203067553U (en) * | 2013-01-10 | 2013-07-17 | 河南科技大学 | Grease leakage proof type wind power turntable bearing |
| CN204784181U (en) * | 2015-04-23 | 2015-11-18 | 马鞍山方圆回转支承股份有限公司 | Four point contact ball formula slewing bearing on subdivision formula plane |
| CN205244146U (en) * | 2015-12-21 | 2016-05-18 | 中船重工(重庆)海装风电设备有限公司 | Waste discharge wind turbine generator system driftage floating bearing of fat of outer lane |
| CN206054197U (en) * | 2016-08-31 | 2017-03-29 | 三一重型能源装备有限公司 | Rotary sealing structure and blower variable-pitch pivoting support structure |
-
2017
- 2017-09-15 CN CN201710830316.7A patent/CN107448481B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000043651A1 (en) * | 1999-01-20 | 2000-07-27 | Kaellander Tore | A device arranged for cooling a machine assembly arranged to be associated with an engine |
| CN103062224A (en) * | 2013-01-10 | 2013-04-24 | 河南科技大学 | Grease-leakage-prevention wind electricity turntable bearing |
| CN203067553U (en) * | 2013-01-10 | 2013-07-17 | 河南科技大学 | Grease leakage proof type wind power turntable bearing |
| CN204784181U (en) * | 2015-04-23 | 2015-11-18 | 马鞍山方圆回转支承股份有限公司 | Four point contact ball formula slewing bearing on subdivision formula plane |
| CN205244146U (en) * | 2015-12-21 | 2016-05-18 | 中船重工(重庆)海装风电设备有限公司 | Waste discharge wind turbine generator system driftage floating bearing of fat of outer lane |
| CN206054197U (en) * | 2016-08-31 | 2017-03-29 | 三一重型能源装备有限公司 | Rotary sealing structure and blower variable-pitch pivoting support structure |
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| CN107448481A (en) | 2017-12-08 |
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Address after: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee after: Dongfang Electric Wind Power Co.,Ltd. Address before: 618000 2 Huashan South Road, Deyang, Sichuan, 2 Patentee before: DONGFANG ELECTRIC WIND POWER Co.,Ltd. |