CN106930908A - A kind of pitch variable bearings component - Google Patents
A kind of pitch variable bearings component Download PDFInfo
- Publication number
- CN106930908A CN106930908A CN201710366530.1A CN201710366530A CN106930908A CN 106930908 A CN106930908 A CN 106930908A CN 201710366530 A CN201710366530 A CN 201710366530A CN 106930908 A CN106930908 A CN 106930908A
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- Prior art keywords
- web
- variable bearings
- pitch variable
- sleeve
- blade
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- 238000010276 construction Methods 0.000 claims abstract description 41
- 238000010030 laminating Methods 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000005266 casting Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 210000001015 abdomen Anatomy 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/328—Blade pitch angle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention belongs to the pitch drive component technology field of wind power generating set, and in particular to a kind of pitch variable bearings component.The pitch variable bearings component, including fixed holder assembly, the first web, the second web and pitch variable bearings, the outer ring of the pitch variable bearings are fixed on wheel hub, and the inner ring of the pitch variable bearings is connected with blade, and wheel hub is with blade respectively in the both sides of pitch variable bearings；The fixed holder assembly is used to install actuator articulated joint, and supporting construction is provided with multiple faces fitted with the first web blade-side and the second web hub side.Its advantage is：It is in simple beam structure that fixed seat is fixed to the two ends of bearing pin, and bearing pin stressing conditions improve, and fixed seat can use cheap casting, other parts simple structure low cost；Supporting construction is set between the first web and the second web and enhances the coupling stiffness of the first web and the second web to fixed seat, reduce undesirable deflection.
Description
Technical field
The invention belongs to the pitch drive component technology field of wind power generating set, and in particular to a kind of pitch variable bearings group
Part.
Background technology
Become paddle type wind power generating set and reach regulation wind power generating set generated output and wind by changing blade pitch angle
Carry the purpose of control.Hydraulic vane change technology the advantages of its reliability is high, dynamic response is good because becoming in paddle type wind power generating set
Applied more and more.The hydraulic variable propeller system in CN204755199 is such as invented, Bian Jiang executing agencies are crank block
Mechanism, bearing pin insertion is in inside and outside web eccentric orfice, and inside and outside web is connected on pitch variable bearings inner ring.When becoming oar action, hold
Row device push-and-pull bearing pin, bearing pin transmits driving force by endosternum and outer web, drives pitch variable bearings inner ring with respect to outer ring rotating, from
And complete to become oar action.But there is problems with invention CN204755199：Bearing pin is cantilever beam, and bearing capacity difference is, it is necessary to use forging
Part is manufactured；The inside and outside big high cost of web size on bearing pin length direction.One kind is disclosed in patent WO2015090655A1
Pitch variable bearings component technology scheme, concentric circle holes are opened up in endosternum and outer web eccentric part, and ladder pin shaft is from the insertion of outside
Concentric circle holes on web and outer web, actuator is connected in ladder pin shaft.It has the disadvantage that ladder pin shaft stress is still cantilever
Beam, stress is not good, complex structure high cost.
The content of the invention
A kind of defect in order to make up prior art of the invention, there is provided pitch variable bearings component.
The present invention is achieved through the following technical solutions：
A kind of pitch variable bearings component, including fixed holder assembly, the first web, the second web and pitch variable bearings, the pitch variable bearings
Outer ring be fixed on wheel hub, the inner ring of the pitch variable bearings is connected with blade, and wheel hub and blade are respectively the two of pitch variable bearings
Side；First web is connected to the hub side of pitch variable bearings inner ring；Second web is connected to the leaf of pitch variable bearings inner ring
Piece side；The fixed holder assembly is used to install actuator articulated joint, and fixed holder assembly is arranged on the one of pitch variable bearings axis of rotation
Fitted with the first web hub side side, the bottom surface of fixed holder assembly；Fixed holder assembly, the first web and the second web are by multiple
Connecting bolt is linked together, and supporting construction is provided with around connecting bolt, and supporting construction is provided with multiple and the first web leaf
Piece side and the face of the second web hub side laminating.
Further, the fixed holder assembly includes fixed seat and bearing pin；Fixed seat bottom surface is provided with multiple screwed holes；Fixed seat
Middle part is provided with articulated joint holding tank；There is first groove face and second groove face parallel with fixed seat bottom surface in articulated joint holding tank；The
One groove face is provided with the first pin shaft hole in hub side on the first groove face, and the first pin shaft hole is through fixed seat top；Second groove face exists
Blade-side, is provided with the second pin shaft hole on the second groove face, and the first pin shaft hole is coaxial with the second pin shaft hole；With the first bearing pin axially bored line
Vertical plane be split surface, cut fixed seat at articulated joint holding tank open, the section shape of fixed seat is " C " font；Bearing pin
One end is installed on the first pin shaft hole, and the bearing pin other end is installed on the second pin shaft hole；The articulated joint of actuator is arranged in articulated joint appearance
Receive between first groove face and the second groove face of groove, and be hinged on bearing pin.
Further, the screw thread hole site for fixed seat bottom surface being corresponded on first web and the second web opens up through hole,
The through hole that connecting bolt is sequentially passed through on the second web and the first web screws in the screwed hole in fixed seat.
Further, the supporting construction includes inner sleeve and outer sleeve, and inner sleeve is the tubular of both ends open with outer sleeve
Structural member, inner sleeve is contained within outer sleeve, and annular space is formed between inner sleeve and outer sleeve, and connecting bolt is distributed in annular
In space, one end of inner sleeve and outer sleeve is fitted with the blade-side of the first web, the other end and of inner sleeve and outer sleeve
The hub side laminating of two webs.
Further, the supporting construction includes lip block, is offered inside lip block along lip block short transverse
Multiple through holes, connecting bolt passes through through hole, and one end of lip block fits with the blade-side of the first web, lip block it is another
Fitted with the hub side of the second web one end.
Further, the supporting construction includes dividing plate sleeve, and dividing plate sleeve is made up of outer sleeve with dividing plate, outer sleeve
It is the tubular construction part of both ends open, the dividing plate for extending to outer sleeve two ends is provided with length in outside sleeve inner, every
Outer sleeve is isolated multiple through holes by plate, and connecting bolt passes through the leaf of through hole, one end of dividing plate sleeve and the first web
Piece side is fitted, and the other end of dividing plate sleeve is fitted with the hub side of the second web.
Further, the supporting construction includes one group of small sleeve, and small sleeve is the tubular construction part of both ends open, small sleeve
Endoporus is more than connecting bolt diameter, and every connecting bolt passes through the blade of a small sleeve, one end of small sleeve and the first web
Side is fitted, and the other end of small sleeve is fitted with the hub side of the second web.
The beneficial effects of the invention are as follows：It is in simple beam structure that fixed seat is fixed to the two ends of bearing pin, and bearing pin stressing conditions change
Kind, fixed seat can use cheap casting, other parts simple structure low cost；Set between the first web and the second web
Supporting construction enhances the coupling stiffness of the first web and the second web to fixed seat, reduces undesirable deflection.
Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Accompanying drawing 1 is structure sectional view of the invention；
Accompanying drawing 2 is using impeller partial schematic diagram of the invention；
Accompanying drawing 3 is fixed seat structure schematic diagram of the present invention；
Accompanying drawing 4 is fixed seat three-dimensional cutaway view of the present invention；
Accompanying drawing 5 is sectional view of the fixed seat of the present invention at articulated joint holding tank；
Accompanying drawing 6 is the structural representation of the embodiment one of supporting construction of the present invention；
Accompanying drawing 7 is the structural representation of the embodiment two of supporting construction of the present invention；
Accompanying drawing 8 is the structural representation of the embodiment three of supporting construction of the present invention；
Accompanying drawing 9 is the structural representation of the example IV of supporting construction of the present invention.
In figure, 1 fixes holder assembly, and 1.1 fixed seats, 1.1.1 fixed seats bottom surface, 1.1.2 screwed holes, 1.1.3 articulated joints are held
Receive groove, the groove faces of 1.1.4 first, the groove faces of 1.1.5 second, the pin shaft holes of 1.1.6 first, 1.1.7 fixed seats top, 1.1.8 second sells
Axis hole, 1.2 bearing pins, 2 first webs, 3 second webs, 4 pitch variable bearings, 5 connecting bolts, 6 wheel hubs, 7 blades, 8 supporting constructions, 9
Actuator, 9.1 articulated joints, 10 inner sleeves, 11 outer sleeves, 12 lip blocks, 13 dividing plate sleeves, 13.1 outer sleeves, 13.2 every
Plate, 14 small sleeves.
Specific embodiment
The present invention is further described with reference to embodiment.
Embodiment one
Accompanying drawing 1-6 is a kind of specific embodiment of the invention.A kind of component of pitch variable bearings 4 of the invention, including fixed holder assembly 1,
First web 2, the second web 3 and pitch variable bearings 4, the outer ring of the pitch variable bearings 4 are fixed on wheel hub 6, the pitch variable bearings 4
Inner ring be connected with blade 7, wheel hub 6 and blade 7 are respectively in the both sides of pitch variable bearings 4；First web 2 is connected to pitch axis
Hold the side of wheel hub 6 of 4 inner rings；Second web 3 is connected to the side of blade 7 of the inner ring of pitch variable bearings 4；The fixed holder assembly 1 is used
In the articulated joint 9.1 of actuator 9 is installed, fixed holder assembly 1 is arranged on the side of the axis of rotation of pitch variable bearings 4, fixed holder assembly 1
Fitted with the side of 2 wheel hub of the first web 6 bottom surface；Fixed holder assembly 1, the first web 2 and the second web 3 are by multiple connecting bolts 5
Link together, supporting construction 8 is provided with around connecting bolt 5, supporting construction 8 is provided with the multiple and side of 2 blade of the first web 7
The face fitted with the side of 3 wheel hub of the second web 6.
Further, the fixed holder assembly 1 includes fixed seat 1.1 and bearing pin 1.2；Fixed seat bottom surface 1.1.1 is provided with multiple
Screwed hole 1.1.2；The middle part of fixed seat 1.1 is provided with articulated joint holding tank 1.1.3；Have and fixed seat in articulated joint holding tank 1.1.3
Bottom surface 1.1.1 parallel the first groove face 1.1.4 and the second groove face 1.1.5；First groove face 1.1.4 in the side of wheel hub 6, in the first groove face
1.1.4 the first pin shaft hole 1.1.6, the first pin shaft hole 1.1.6 is provided with through fixed seat top 1.1.7；Second groove face 1.1.5 exists
The side of blade 7, is provided with the second pin shaft hole 1.1.8, the first pin shaft hole 1.1.6 and the second pin shaft hole 1.1.8 on the second groove face 1.1.5
Coaxially；Vertical plane with the first pin shaft hole 1.1.6 axis is split surface, and fixed seat is cut open at articulated joint holding tank 1.1.3
1.1, the section shape of fixed seat 1.1 is " C " font；One end of bearing pin 1.2 is installed on the first pin shaft hole 1.1.6, and bearing pin 1.2 is another
One end is installed on the second pin shaft hole 1.1.8；The articulated joint 9.1 of actuator 9 is arranged in first groove face of articulated joint holding tank 1.1.3
1.1.4 and the second groove face 1.1.5 between, and it is hinged on bearing pin 1.2.
Further, corresponding to screwed hole 1.1.2 of fixed seat bottom surface 1.1.1 on the web 3 of first web 2 and second
Put and open up through hole, the through hole that connecting bolt 5 is sequentially passed through on the second web 3 and the first web 2 screws in the screw thread in fixed seat 1.1
Hole 1.1.2.
Further, the supporting construction 8 includes inner sleeve 10 and outer sleeve 11, and inner sleeve 10 and outer sleeve 11 are to open at two ends
The tubular construction part of mouth, inner sleeve 10 is contained within outer sleeve 11, and annular space is formed between inner sleeve 10 and outer sleeve 11, even
Connecting bolt 5 is distributed in annular space, and one end of inner sleeve 10 and outer sleeve 11 is fitted with the side of blade 7 of the first web 2, inner sleeve
Cylinder 10 and the other end of outer sleeve 11 are fitted with the side of wheel hub 6 of the second web 3.
Embodiment two
Accompanying drawing 1,2,3,4,5,7 is a kind of specific embodiment of the invention.A kind of component of pitch variable bearings 4 of the invention, including fixation
Holder assembly 1, the first web 2, the second web 3 and pitch variable bearings 4, the outer ring of the pitch variable bearings 4 is fixed on wheel hub 6, described
The inner ring of pitch variable bearings 4 is connected with blade 7, and wheel hub 6 is with blade 7 respectively in the both sides of pitch variable bearings 4；First web 2 connects
It is connected on the side of wheel hub 6 of the inner ring of pitch variable bearings 4；Second web 3 is connected to the side of blade 7 of the inner ring of pitch variable bearings 4；The fixation
Holder assembly 1 is used to install the articulated joint 9.1 of actuator 9, and fixed holder assembly 1 is arranged on the side of the axis of rotation of pitch variable bearings 4, fixed
Fitted with the side of 2 wheel hub of the first web 6 bottom surface of holder assembly 1；Fixed holder assembly 1, the first web 2 and the second web 3 are by multiple
Connecting bolt 5 is linked together, and supporting construction 8 is provided with around connecting bolt 5, and supporting construction 8 is provided with multiple and the first abdomen
The side of 2 blade of plate 7 and the face of the side of 3 wheel hub of the second web 6 laminating.
Further, the fixed holder assembly 1 includes fixed seat 1.1 and bearing pin 1.2；Fixed seat bottom surface 1.1.1 is provided with multiple
Screwed hole 1.1.2；The middle part of fixed seat 1.1 is provided with articulated joint holding tank 1.1.3；Have and fixed seat in articulated joint holding tank 1.1.3
Bottom surface 1.1.1 parallel the first groove face 1.1.4 and the second groove face 1.1.5；First groove face 1.1.4 in the side of wheel hub 6, in the first groove face
1.1.4 the first pin shaft hole 1.1.6, the first pin shaft hole 1.1.6 is provided with through fixed seat top 1.1.7；Second groove face 1.1.5 exists
The side of blade 7, is provided with the second pin shaft hole 1.1.8, the first pin shaft hole 1.1.6 and the second pin shaft hole 1.1.8 on the second groove face 1.1.5
Coaxially；Vertical plane with the first pin shaft hole 1.1.6 axis is split surface, and fixed seat is cut open at articulated joint holding tank 1.1.3
1.1, the section shape of fixed seat 1.1 is " C " font；One end of bearing pin 1.2 is installed on the first pin shaft hole 1.1.6, and bearing pin 1.2 is another
One end is installed on the second pin shaft hole 1.1.8；The articulated joint 9.1 of actuator 9 is arranged in first groove face of articulated joint holding tank 1.1.3
1.1.4 and the second groove face 1.1.5 between, and it is hinged on bearing pin 1.2.
Further, corresponding to screwed hole 1.1.2 of fixed seat bottom surface 1.1.1 on the web 3 of first web 2 and second
Put and open up through hole, the through hole that connecting bolt 5 is sequentially passed through on the second web 3 and the first web 2 screws in the screw thread in fixed seat 1.1
Hole 1.1.2.
Further, the supporting construction 8 includes lip block 12, is offered inside lip block 12 high along lip block 12
Multiple through holes in direction are spent, connecting bolt 5 passes through through hole, and one end of lip block 12 is fitted with the side of blade 7 of the first web 2,
The other end of lip block 12 is fitted with the side of wheel hub 6 of the second web 3.
Embodiment three
Accompanying drawing 1,2,3,4,5,8 is a kind of specific embodiment of the invention.A kind of component of pitch variable bearings 4 of the invention, including fixation
Holder assembly 1, the first web 2, the second web 3 and pitch variable bearings 4, the outer ring of the pitch variable bearings 4 is fixed on wheel hub 6, described
The inner ring of pitch variable bearings 4 is connected with blade 7, and wheel hub 6 is with blade 7 respectively in the both sides of pitch variable bearings 4；First web 2 connects
It is connected on the side of wheel hub 6 of the inner ring of pitch variable bearings 4；Second web 3 is connected to the side of blade 7 of the inner ring of pitch variable bearings 4；The fixation
Holder assembly 1 is used to install the articulated joint 9.1 of actuator 9, and fixed holder assembly 1 is arranged on the side of the axis of rotation of pitch variable bearings 4, fixed
Fitted with the side of 2 wheel hub of the first web 6 bottom surface of holder assembly 1；Fixed holder assembly 1, the first web 2 and the second web 3 are by multiple
Connecting bolt 5 is linked together, and supporting construction 8 is provided with around connecting bolt 5, and supporting construction 8 is provided with multiple and the first abdomen
The side of 2 blade of plate 7 and the face of the side of 3 wheel hub of the second web 6 laminating.
Further, the fixed holder assembly 1 includes fixed seat 1.1 and bearing pin 1.2；Fixed seat bottom surface 1.1.1 is provided with multiple
Screwed hole 1.1.2；The middle part of fixed seat 1.1 is provided with articulated joint holding tank 1.1.3；Have and fixed seat in articulated joint holding tank 1.1.3
Bottom surface 1.1.1 parallel the first groove face 1.1.4 and the second groove face 1.1.5；First groove face 1.1.4 in the side of wheel hub 6, in the first groove face
1.1.4 the first pin shaft hole 1.1.6, the first pin shaft hole 1.1.6 is provided with through fixed seat top 1.1.7；Second groove face 1.1.5 exists
The side of blade 7, is provided with the second pin shaft hole 1.1.8, the first pin shaft hole 1.1.6 and the second pin shaft hole 1.1.8 on the second groove face 1.1.5
Coaxially；Vertical plane with the first pin shaft hole 1.1.6 axis is split surface, and fixed seat is cut open at articulated joint holding tank 1.1.3
1.1, the section shape of fixed seat 1.1 is " C " font；One end of bearing pin 1.2 is installed on the first pin shaft hole 1.1.6, and bearing pin 1.2 is another
One end is installed on the second pin shaft hole 1.1.8；The articulated joint 9.1 of actuator 9 is arranged in first groove face of articulated joint holding tank 1.1.3
1.1.4 and the second groove face 1.1.5 between, and it is hinged on bearing pin 1.2.
Further, corresponding to screwed hole 1.1.2 of fixed seat bottom surface 1.1.1 on the web 3 of first web 2 and second
Put and open up through hole, the through hole that connecting bolt 5 is sequentially passed through on the second web 3 and the first web 2 screws in the screw thread in fixed seat 1.1
Hole 1.1.2.
Further, the supporting construction 8 include the sleeve 13 of dividing plate 13.2, the sleeve 13 of dividing plate 13.2 by outer sleeve 13.1 with
Dividing plate 13.2 is constituted, and outer sleeve 13.1 is the tubular construction part of both ends open, and length is internally provided with outer sleeve 13.1
On extend to the dividing plate 13.2 at the two ends of outer sleeve 13.1, outer sleeve 13.1 is isolated multiple through holes by dividing plate 13.2, even
Connecting bolt 5 passes through through hole, and one end of the sleeve 13 of dividing plate 13.2 is fitted with the side of blade 7 of the first web 2, the sleeve 13 of dividing plate 13.2
The other end fitted with the side of wheel hub 6 of the second web 3.
Example IV
Accompanying drawing 1,2,3,4,5,9 is a kind of specific embodiment of the invention.A kind of component of pitch variable bearings 4 of the invention, including fixation
Holder assembly 1, the first web 2, the second web 3 and pitch variable bearings 4, the outer ring of the pitch variable bearings 4 is fixed on wheel hub 6, described
The inner ring of pitch variable bearings 4 is connected with blade 7, and wheel hub 6 is with blade 7 respectively in the both sides of pitch variable bearings 4；First web 2 connects
It is connected on the side of wheel hub 6 of the inner ring of pitch variable bearings 4；Second web 3 is connected to the side of blade 7 of the inner ring of pitch variable bearings 4；The fixation
Holder assembly 1 is used to install the articulated joint 9.1 of actuator 9, and fixed holder assembly 1 is arranged on the side of the axis of rotation of pitch variable bearings 4, fixed
Fitted with the side of 2 wheel hub of the first web 6 bottom surface of holder assembly 1；Fixed holder assembly 1, the first web 2 and the second web 3 are by multiple
Connecting bolt 5 is linked together, and supporting construction 8 is provided with around connecting bolt 5, and supporting construction 8 is provided with multiple and the first abdomen
The side of 2 blade of plate 7 and the face of the side of 3 wheel hub of the second web 6 laminating.
Further, the fixed holder assembly 1 includes fixed seat 1.1 and bearing pin 1.2；Fixed seat bottom surface 1.1.1 is provided with multiple
Screwed hole 1.1.2；The middle part of fixed seat 1.1 is provided with articulated joint holding tank 1.1.3；Have and fixed seat in articulated joint holding tank 1.1.3
Bottom surface 1.1.1 parallel the first groove face 1.1.4 and the second groove face 1.1.5；First groove face 1.1.4 in the side of wheel hub 6, in the first groove face
1.1.4 the first pin shaft hole 1.1.6, the first pin shaft hole 1.1.6 is provided with through fixed seat top 1.1.7；Second groove face 1.1.5 exists
The side of blade 7, is provided with the second pin shaft hole 1.1.8, the first pin shaft hole 1.1.6 and the second pin shaft hole 1.1.8 on the second groove face 1.1.5
Coaxially；Vertical plane with the first pin shaft hole 1.1.6 axis is split surface, and fixed seat is cut open at articulated joint holding tank 1.1.3
1.1, the section shape of fixed seat 1.1 is " C " font；One end of bearing pin 1.2 is installed on the first pin shaft hole 1.1.6, and bearing pin 1.2 is another
One end is installed on the second pin shaft hole 1.1.8；The articulated joint 9.1 of actuator 9 is arranged in first groove face of articulated joint holding tank 1.1.3
1.1.4 and the second groove face 1.1.5 between, and it is hinged on bearing pin 1.2.
Further, corresponding to screwed hole 1.1.2 of fixed seat bottom surface 1.1.1 on the web 3 of first web 2 and second
Put and open up through hole, the through hole that connecting bolt 5 is sequentially passed through on the second web 3 and the first web 2 screws in the screw thread in fixed seat 1.1
Hole 1.1.2.
Further, the supporting construction 8 includes one group of small sleeve 14, and small sleeve 14 is the tubular construction part of both ends open,
The endoporus of small sleeve 14 is more than the diameter of connecting bolt 5, and every connecting bolt 5 passes through a small sleeve 14, one end of small sleeve 14 with
The side of blade 7 laminating of the first web 2, the other end of small sleeve 14 is fitted with the side of wheel hub 6 of the second web 3.
The present invention is not limited to the above-described embodiments, anyone should learn made under enlightenment of the invention with the present invention
With same or like technical scheme, each fall within protection scope of the present invention.
The technology not described in detail of the invention, shape, construction part are known technology.
Claims (7)
1. a kind of pitch variable bearings component, including fixation holder assembly, the first web, the second web and pitch variable bearings, it is characterised in that
The outer ring of the pitch variable bearings is fixed on wheel hub, and the inner ring of the pitch variable bearings is connected with blade, and wheel hub exists respectively with blade
The both sides of pitch variable bearings；First web is connected to the hub side of pitch variable bearings inner ring；Second web is connected to change oar
The blade-side of bearing inner race；The fixed holder assembly is used to install actuator articulated joint, and fixed holder assembly is arranged on pitch variable bearings
Fitted with the first web hub side the side of axis of rotation, the bottom surface of fixed holder assembly；Fixed holder assembly, the first web and second
Web is linked together by multiple connecting bolts, and supporting construction is provided with around connecting bolt, and supporting construction is provided with multiple
The face fitted with the first web blade-side and the second web hub side.
2. a kind of pitch variable bearings component according to claim 1, it is characterized in that：The fixed holder assembly include fixed seat and
Bearing pin；Fixed seat bottom surface is provided with multiple screwed holes；Fixed seat middle part is provided with articulated joint holding tank；Have in articulated joint holding tank and consolidate
Reservation bottom surface parallel the first groove face and the second groove face；First groove face is provided with the first pin shaft hole in hub side on the first groove face,
First pin shaft hole is through fixed seat top；Second groove face is provided with the second pin shaft hole, the first bearing pin in blade-side on the second groove face
Hole is coaxial with the second pin shaft hole；Vertical plane with the first bearing pin axially bored line is split surface, and fixation is cut open at articulated joint holding tank
Seat, the section shape of fixed seat is " C " font；One end of bearing pin is installed on the first pin shaft hole, and the bearing pin other end is installed on second
Pin shaft hole；The articulated joint of actuator is arranged between the first groove face of articulated joint holding tank and the second groove face, and is hinged on bearing pin
On.
3. a kind of pitch variable bearings component according to claim 1, it is characterized in that：It is right on first web and the second web
Through hole should be opened up in the screw thread hole site of fixed seat bottom surface, connecting bolt sequentially passes through the through hole on the second web and the first web
Screw in the screwed hole in fixed seat.
4. a kind of pitch variable bearings component according to claim 1, it is characterized in that：The supporting construction include inner sleeve with it is outer
Sleeve, inner sleeve and outer sleeve are the tubular construction part of both ends open, and inner sleeve is contained within outer sleeve, inner sleeve and outer sleeve
Between form annular space, connecting bolt is distributed in annular space, the leaf of one end of inner sleeve and outer sleeve and the first web
Piece side is fitted, and the other end of inner sleeve and outer sleeve is fitted with the hub side of the second web.
5. a kind of pitch variable bearings component according to claim 1, it is characterized in that：The supporting construction includes lip block,
Offered inside lip block along multiple through holes of lip block short transverse, connecting bolt passes through through hole, the one of lip block
End is fitted with the blade-side of the first web, and the other end of lip block is fitted with the hub side of the second web.
6. a kind of pitch variable bearings component according to claim 1, it is characterized in that：The supporting construction includes dividing plate sleeve,
Dividing plate sleeve is made up of outer sleeve with dividing plate, and outer sleeve is the tubular construction part of both ends open, is set in outside sleeve inner
It is equipped with length and extends to the dividing plate at outer sleeve two ends, outer sleeve is isolated multiple through holes by dividing plate, and connecting bolt is worn
Through hole is crossed, one end of dividing plate sleeve is fitted with the blade-side of the first web, the wheel of the other end of dividing plate sleeve and the second web
Fit hub side.
7. a kind of pitch variable bearings component according to claim 1, it is characterized in that：The supporting construction includes one group of small set
Cylinder, small sleeve is the tubular construction part of both ends open, and small sleeve endoporus is more than connecting bolt diameter, and every connecting bolt passes through one
Individual small sleeve, one end of small sleeve is fitted with the blade-side of the first web, the hub side of the other end of small sleeve and the second web
Laminating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366530.1A CN106930908B (en) | 2017-05-23 | 2017-05-23 | Variable-pitch bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366530.1A CN106930908B (en) | 2017-05-23 | 2017-05-23 | Variable-pitch bearing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106930908A true CN106930908A (en) | 2017-07-07 |
| CN106930908B CN106930908B (en) | 2023-05-05 |
Family
ID=59430616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366530.1A Active CN106930908B (en) | 2017-05-23 | 2017-05-23 | Variable-pitch bearing assembly |
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| US20150056078A1 (en) * | 2013-08-22 | 2015-02-26 | General Electric Company | Pitch bearing assembly with stiffener |
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| CN204493087U (en) * | 2015-03-24 | 2015-07-22 | 北京金风科创风电设备有限公司 | The mounting structure of pitch variable bearings and the impeller of wind-driven generator |
| US20150300322A1 (en) * | 2014-04-17 | 2015-10-22 | Siemens Aktiengesellschaft | Reinforced pitch bearing of a wind turbine |
| CN204755199U (en) * | 2015-07-27 | 2015-11-11 | 北京三力新能科技有限公司 | Hydraulic pressure becomes oar bearing assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DK177926B1 (en) * | 2013-12-20 | 2015-01-12 | Fritz Schur Energy As | Pitch actuator arrangement |
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| CN103221685A (en) * | 2010-11-26 | 2013-07-24 | 维斯塔斯风力系统有限公司 | A pitch system for a wind turbine |
| CN202746116U (en) * | 2012-06-25 | 2013-02-20 | 华锐风电科技(集团)股份有限公司 | Impeller |
| US20150056078A1 (en) * | 2013-08-22 | 2015-02-26 | General Electric Company | Pitch bearing assembly with stiffener |
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| CN204493087U (en) * | 2015-03-24 | 2015-07-22 | 北京金风科创风电设备有限公司 | The mounting structure of pitch variable bearings and the impeller of wind-driven generator |
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| CN106930908B (en) | 2023-05-05 |
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