CN108150367A - Yaw bearing assembly and wind power generating set - Google Patents
Yaw bearing assembly and wind power generating set Download PDFInfo
- Publication number
- CN108150367A CN108150367A CN201711490939.0A CN201711490939A CN108150367A CN 108150367 A CN108150367 A CN 108150367A CN 201711490939 A CN201711490939 A CN 201711490939A CN 108150367 A CN108150367 A CN 108150367A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- bearing
- yaw
- bearing assembly
- generating set
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 244
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 201000009482 yaws Diseases 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000003351 stiffener Substances 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- 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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- 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
- F05B2270/60—Control system actuates through
- F05B2270/602—Control system actuates through electrical actuators
-
- 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
- F05B2270/60—Control system actuates through
- F05B2270/604—Control system actuates through hydraulic actuators
-
- 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
- F05B2270/60—Control system actuates through
- F05B2270/605—Control system actuates through pneumatic actuators
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The present invention relates to a kind of yaw bearing assembly and wind power generating set, yaw bearing assembly includes：Pedestal, including the first pedestal and the second pedestal for being mutually socketed and being coaxially disposed；Rotary connection is connected to the first pedestal and the second pedestal, and rotary connection is included in spaced clutch shaft bearing and second bearing in the axial direction of the first pedestal and the second pedestal, and the first pedestal is rotatably connected with the second pedestal by clutch shaft bearing and second bearing.Yaw bearing assembly provided in an embodiment of the present invention can be used in the yaw system of wind power generating set, on the basis of the yaw requirement of wind power generating set is met, can reduce the cabin width of wind power generating set, reduce cost and be readily transported.
Description
Technical field
The present invention relates to technical field of wind power, more particularly to a kind of yaw bearing assembly and wind power generating set.
Background technology
Wind-power electricity generation is a kind of clean regenerative resource, is increasingly paid attention to by countries in the world.Due to the wind of wind field
Change to constantly, in order to efficiently utilize wind energy, when impeller operation of wind power generating set, needs to be directed at wind direction always, and
Yaw system is that the important component for catching wind direction is flutterred in wind power generating set realization, while the head for also being able to carrying unit owns
All load that gravity and wind load generate.For this purpose, yaw system is set in wind power generating set.Yaw system can be sent out with wind-force
The control system of motor group cooperates, and yaws the impeller of wind power generating set, and then makes it always in state windward, energy
Wind energy is enough made full use of, improves the generating efficiency of wind power generating set.Therefore, yaw system is that wind power generating set is indispensable
A part.
During yawing rotation, the yaw bearing of yaw system needs to bear unit traditional wind power generating set
Head all gravitational loads and wind load (including cabin and impeller etc.), and realize head around tower Movement.Institute at present
What wind power generating set used is all single-bearing yaw system, as wind-driven generator develops toward high-power direction, yaw axis
It holds born load to continue to increase, this requires the diameter of yaw bearing continues to increase.Correspondingly, the width of cabin is also therewith
Increase.Land transport condition is limited by for the cabin width of land wind power generating set, the conveyor width limit is no more than
4.5m, so, with the increase of the power of the assembling unit, existing single-bearing yaw rotation scheme will be unable to meet wind power generating set
The use demand of yaw system.
Therefore, there is an urgent need for a kind of new yaw bearing assemblies and wind power generating set.
Invention content
The embodiment of the present invention provides a kind of yaw bearing assembly and wind power generating set, yaw bearing assembly can be used in wind
The yaw system of power generator group on the basis of the yaw requirement of wind power generating set is met, can reduce wind-driven generator
The cabin width of group, reduces cost and is readily transported.
On the one hand the embodiment of the present invention proposes a kind of yaw bearing assembly, for wind power generating set, yaw bearing group
Part includes：Pedestal, including the first pedestal and the second pedestal for being mutually socketed and being coaxially disposed；Rotary connection is connected to first
Pedestal and the second pedestal, rotary connection be included in the axial direction of the first pedestal and the second pedestal spaced clutch shaft bearing and
Second bearing, the first pedestal are rotatably connected with the second pedestal by clutch shaft bearing and second bearing.
One side according to embodiments of the present invention, the first pedestal and the second pedestal are open column shape structure.
One side according to embodiments of the present invention, the first pedestal include opposite first end in the axial direction of its own
And the second end, the second pedestal include opposite third end and the 4th end, clutch shaft bearing connection in the axial direction of its own
In first end and third end, second bearing is connected to the second end and the 4th end.
One side according to embodiments of the present invention, first end and/or the second end be along the first pedestal axial direction or
The annular protrusion structure radially extended；Third end and/or the 4th end are the ring axially or radially extended along the second pedestal
Shape bulge-structure.
Mounting portion is provided on one side according to embodiments of the present invention, the first pedestal and/or the second pedestal, for
The yaw driving part of wind power generating set is installed.
Connecting portion is set on one side according to embodiments of the present invention, the first pedestal or the second pedestal, connecting portion in
Between clutch shaft bearing and second bearing, for connecting the generator or impeller of wind power generating set.
One side according to embodiments of the present invention, connecting portion are flange, and the axis of connecting portion and the first pedestal and
The axis of two pedestals intersects.
One side according to embodiments of the present invention, pedestal are taper column structure, and the radial dimension of clutch shaft bearing is more than
The radial dimension of second bearing.
One side according to embodiments of the present invention, rotary connection further comprise 3rd bearing, 3rd bearing connection
In the first pedestal and the second pedestal and between clutch shaft bearing and second bearing.
The yaw bearing assembly provided according to embodiments of the present invention, including pedestal and pivoting part, pedestal includes mutual
Socket and the first pedestal and the second pedestal of coaxial arrangement, rotary connection are connected to the first pedestal and the second pedestal, and revolution connects
Fitting is included in the clutch shaft bearing and second bearing of the spaced setting of axial direction of the first pedestal and the second pedestal, the first pedestal and
Second pedestal is rotatably connected by clutch shaft bearing and second bearing, yaw bearing assembly when being applied to wind power generating set,
One of first pedestal and the second pedestal can be connect with tower, and another one can be connect with cabin.In yaw driving part
Under effect, the first pedestal and the second pedestal can be driven to relatively rotate, so that cabin can be rotated relative to tower, due to inclined
The bearing assembly that navigates includes clutch shaft bearing and second bearing, with respect to single bearing structure so that the radial width of yaw bearing assembly is more
It is small, under the premise of the yaw requirement of wind power generating set is met, the cabin width of wind power generating set can be reduced, and then reduce
It the cost of wind power generating set and is readily transported.
It is according to embodiments of the present invention another aspect provides a kind of wind power generating set, including：Tower；Cabin,
The axial direction of tower is stacked with tower, and cabin includes engine room cover；Generator is connected to cabin；Impeller is connected to generator；
Above-mentioned yaw bearing assembly, one of the first pedestal and the second pedestal are connect with tower, and another one is connect with cabin；Yaw is driven
Dynamic component is connect with yaw bearing assembly, the first pedestal and the second pedestal to be driven to relatively rotate.
Other side according to embodiments of the present invention, yaw bearing assembly are set in engine room cover, when yaw bearing group
When part includes connecting portion, generator or impeller are connect with connecting portion.
Other side according to embodiments of the present invention, yaw driving part include driving motor, driving motor and first
Bearing and/or second bearing transmission cooperation, the first pedestal and the second pedestal to be driven to relatively rotate.
Other side according to embodiments of the present invention, yaw driving part includes more than two telescoping cylinders, more than two
The spaced setting of telescoping cylinder, telescoping cylinder include cylinder body and cylinder rod, and one of cylinder body and cylinder rod are rotatably connected with the first pedestal,
Another one is rotatably connected with the second pedestal, the first pedestal and the second pedestal to be driven to relatively rotate.
Wind power generating set provided in an embodiment of the present invention, including tower, cabin, impeller, above-mentioned yaw bearing group
Part and yaw one of driving part, the first pedestal and the second pedestal of yaw bearing assembly are connect with tower, another one and machine
Cabin connects, and under the action of driving part is yawed, the first pedestal and the second pedestal can be driven to relatively rotate, so that cabin
It can be rotated relative to tower, realize the yaw of wind-power electricity generation group.Since yaw bearing assembly includes clutch shaft bearing and second bearing,
With respect to single bearing structure so that the radial width smaller of yaw bearing assembly so that wind-power electricity generation provided in an embodiment of the present invention
Group can subtract cabin width under the premise of yaw requirement is ensured, and then reduce the cost of wind power generating set and be readily transported.
Description of the drawings
The feature of exemplary embodiment of the present, advantage and technique effect described below with reference to the accompanying drawings.
Fig. 1 is the axonometric drawing of the yaw bearing assembly of one embodiment of the invention；
Fig. 2 is the schematic cross-sectional view of yaw bearing assembly shown in Fig. 1；
Fig. 3 is the axonometric drawing of the first pedestal shown in Fig. 1；
Fig. 4 is the axonometric drawing of the second pedestal shown in Fig. 1；
Fig. 5 is the axonometric drawing of another embodiment of the present invention yaw bearing assembly；
Fig. 6 is the schematic cross-sectional view of yaw bearing assembly shown in Fig. 5；
Fig. 7 is the schematic cross-sectional view of the wind power generating set of one embodiment of the invention；
Fig. 8 is the partial structural diagram of wind power generating set shown in Fig. 7；
Fig. 9 is the schematic cross-sectional view of the wind power generating set of another embodiment of the present invention；
Figure 10 is the partial structural diagram of wind power generating set shown in Fig. 9.
1- yaw bearing assemblies；
10- pedestals；
The first pedestals of 11-；The first main parts of 111-；112- first ends；113- the second ends；114- lightening holes；
The second pedestals of 12-；The second main parts of 121-；122- thirds end；The 4th ends of 123-；
21- clutch shaft bearings；22- second bearings；
30- mounting portions；
The first flanges of 31-；The second flanges of 32-；33- connecting holes；34- ribbed stiffeners；
31a- projection cube structures；32a- disk-like structures；
40- connecting portions；
2- towers；
3- cabins；301- engine room covers；302- generators；
4- impellers；
5- yaws driving part；501- cylinder bodies；502- cylinder rods；
6- transition pieces.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to practical ratio.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing to these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood from the present invention to provide.In attached drawing and following
Description in, at least part of known features and technology are not shown, unnecessary fuzzy to avoid causing the present invention；
Also, for clarity, it may be exaggerated the size of part-structure.In addition, feature described below, structure or characteristic can be with
It is incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is the direction shown in figure, is not the yaw bearing assembly to the present invention
And the concrete structure of wind power generating set is defined.In the description of the present invention, it is also necessary to explanation, unless otherwise clear and definite
Regulation and restriction, term " installation ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or detachably
Connection is integrally connected；It can be directly connected, can also be indirectly connected.For the ordinary skill in the art,
Visual concrete condition understands the concrete meaning of above-mentioned term in the present invention.
For a better understanding of the present invention, with reference to yaw bearing assembly according to embodiments of the present invention Fig. 1 to Figure 10
And wind power generating set is described in detail.
Also referring to Fig. 1, Fig. 1 shows the axonometric drawing of the yaw bearing assembly 1 of the embodiment of the present invention, Fig. 2 shows
The schematic cross-sectional view of yaw bearing assembly 1 shown in Fig. 1.
A kind of yaw bearing assembly 1 that the embodiment of the present invention proposes, for wind power generating set, yaw bearing assembly 1 is wrapped
Pedestal 10 and rotary connection are included, pedestal 10 includes mutually being socketed and the first pedestal 11 and the second pedestal 12 of coaxial arrangement.It returns
Turn connector and be connected to the first pedestal 11 and the second pedestal 12, rotary connection is included in the first pedestal 11 and the second pedestal 12
Spaced clutch shaft bearing 21 and second bearing 22 in axial direction, the first pedestal 11 and the second pedestal 12 by clutch shaft bearing 21 and
Second bearing 22 is rotatably connected.
Yaw bearing assembly 1 provided in an embodiment of the present invention as a result, can be used in the yaw system of wind power generating set,
On the basis of the yaw requirement of wind power generating set is met, 3 width of cabin of wind power generating set can be reduced, reduce cost
And it is readily transported.
Preferably, the first pedestal 11 and the second pedestal 12 are hollow column structure, convenient between rotary connection
Installation, and it is easy to process and transport, while can material saving, reduce cost.In the present embodiment, the first pedestal 11 and second
Body 12 is hollow cylindrical structure, and the first pedestal 11 is located at the inside of the second pedestal 12, i.e. the second pedestal 12 is set in
On first pedestal 11.
Also referring to Fig. 3, Fig. 3 shows the axonometric drawing of the first pedestal 11 shown in Fig. 1.First pedestal 11 is included in it certainly
The first main part 111 that the axis of body upwardly extends, for the ease of the installation of clutch shaft bearing 21 and second bearing 22, the first pedestal 11
It further includes and is connected to the axial upper first end 112 at both ends of the first main part 111 and the second end 113, first end 112
And the second end 113 is the radially extending annular protrusion structure in the first pedestal 11, first end 112 and the second end
113 and first main part 111 the first described pedestal 11 is collectively formed, first end 112 and the second end 113 can be with first
Main part 111 is an integral molding structure, naturally it is also possible to be connected using welding or by the modes such as fastener and the first main part 111
It connects.
In order to further mitigate the overall weight of yaw bearing assembly 1, lightening hole 114 is provided on the first pedestal 11,
Lightening hole 114 is preferably disposed on the first main part 111 of the first pedestal 11, and the quantity of lightening hole 114 can be wanted according to specific
Setting is asked, can be one, or more than two, when for two or more, more than two lightening holes 114 are in the first master
The circumferential direction in body portion 111 is uniformly arranged.
Also referring to Fig. 4, Fig. 4 shows the axonometric drawing of the second pedestal 12 shown in Fig. 1.Second pedestal 12 is included in it certainly
The second main part 121 that the axis of body upwardly extends, likewise, for the installation of clutch shaft bearing 21 and second bearing 22, second
Body 12 further includes 122 and the 4th end 123 of third end for being connected to the axial upper both ends of the second main part 121, third end
122 and the 4th end 123 of portion be the second pedestal 12 radially extending annular protrusion structure, third end 122 and the 4th
123 and second main part 121 of end is collectively formed the second described pedestal 12, and 122 and the 4th end 123 of third end can be with
Second main part 121 is an integral molding structure, it is of course also possible to use welding or passing through the modes such as fastener and the second main part
121 connections.First pedestal 11 and the second pedestal 12 in mutual socket, first end 112 it is corresponding with third end 122 and
Every setting, the second end 113 and 123 corresponding and interval setting of the 4th end.
In the present embodiment, same type of bearing may be used in clutch shaft bearing 21 and second bearing 22, naturally it is also possible to adopt
With different types of bearing, clutch shaft bearing 21 and second bearing 22 can be radial ball bearing, cylinder roller bearing, taper roller
Any one of other types bearing such as bearing, sliding bearing.
Clutch shaft bearing 21 is set in the periphery of the first pedestal 11 and is connected to the first end 112 and second of the first pedestal 11
The third end 122 of pedestal 12, second bearing 22 are set in the periphery of the first pedestal 11 and are connected to the second of the first pedestal 11
4th end 123 of 113 and second pedestal 12 of end, clutch shaft bearing 21,22 and first pedestal 11 of second bearing and the second pedestal
12 use above-mentioned fit system so that yaw bearing assembly 1 is more uniformly stressed when being applied to wind power generating set.
Meanwhile consider driving needs of the yaw bearing assembly 1 when being applied to wind-power electricity generation group, clutch shaft bearing 21 and second
The outer ring of bearing 22 is connect respectively with the first pedestal 11, the inner ring of clutch shaft bearing 21 and second bearing 22 respectively with the second pedestal 12
It connects, in the present embodiment, clutch shaft bearing 21 is held between first end 112 and third end 122, and second bearing 22 is held on
Between 113 and the 4th end 123 of the second end.
Specifically, the outer ring of clutch shaft bearing 21 and the outer ring of second bearing 22 are connected to the first end of the first pedestal 11
Portion 112 and the second end 113, the inner ring of clutch shaft bearing 21 and the inner ring of second bearing 22 are connected to the of the second pedestal 12
Three ends 122 and the 4th end 123 in connection, can connect by welding, certainly, for the ease of dismounting and more
It changes, is preferably connected between clutch shaft bearing 21, second bearing 22 and corresponding end by connectors such as bolts.
First pedestal 11 and the second pedestal 12 using the above structure, can not only meet and clutch shaft bearing 21 and second bearing
22 inner ring and the connection of outer ring need, while can be convenient for the repair and replacement of clutch shaft bearing 21, second bearing 22, improve inclined
The service life of boat bearing assembly 1.
As an alternative embodiment, since the first pedestal 11 and the second pedestal 12 are rotatably connected, it is being applied to
During wind power generating set, need to yaw driving part driving, so that the two relatively rotates, and then meet wind power generating set
Variable pitch demand.Therefore, as an alternative embodiment, in the present embodiment, the outer ring of clutch shaft bearing 21 and second bearing 22
Outer ring be provided with the engagement gear teeth.Enable clutch shaft bearing 21 and second bearing 22 and yaw driving part engaged transmission, into
And the first pedestal 11 and the second pedestal 12 are relatively rotated.As Figure 1 and Figure 4, for the ease of the peace of yaw driving part
Dress, is provided with mounting portion 30, for installing the yaw driving part of wind power generating set on the second pedestal 12.Mounting portion 30 can
To use different structures, as long as disclosure satisfy that the installation of yaw driving part.
In the present embodiment, it is both provided on the second pedestal 12 with 21 corresponding position of clutch shaft bearing and with 22 corresponding position of second bearing
Mounting portion 30, each mounting portion 30 include radially extending along the second pedestal 12 and in the axial direction of the second pedestal 12 with one
Determine the flanged structure of thickness, flanged structure is preferably in fan-shaped ring.The flanged structure of each mounting portion 30 includes two layers, respectively
For the first flange 31 and the second flange 32, the first flange 31 and the second flange 32 are mutually parallel and are arranged at intervals, each mounting portion 30
On in its thickness direction be both provided with the connecting hole 33 through the first flange 31 and the second flange 32.Two flanges of mounting portion 30
Structure can be connected by ribbed stiffener 34, and the quantity of the connecting hole 33 on each mounting portion 30 is not specifically limited, can be according to inclined
Navigate driving part quantity set, with 21 corresponding mounting portion 30 of clutch shaft bearing and with 22 corresponding mounting portion 30 of second bearing
The quantity of connecting hole 33 may be the same or different.
As an alternative embodiment, connecting portion 40 is provided on the second pedestal 12, for connection wind-force hair
Different structures may be used in the generator or impeller of motor group, connecting portion 40, as long as disclosure satisfy that generator or leaf
The connection of wheel.Connecting portion 40 is preferably placed between clutch shaft bearing 21 and second bearing 22 so that yaw bearing assembly 1 with
When generator or impeller connect, gravitational load, the wind load of cabin and impeller are converted into first in the moment of flexure that yaw center generates
The radial load of bearing 21, second bearing 22 so that clutch shaft bearing 21 is solely subjected to radial load, and is not subject to moment of flexure.Similary
Head form, in the case of identical weight, can further reduce the radial dimension of clutch shaft bearing 21 and second bearing 22, from
And realize being possibly realized property of super large megawatt set engine room land transport.
In the present embodiment, connecting portion 40 is easy to process and can ensure to generator or leaf preferably using flange arrangement
The bonding strength of wheel.The axis of axis, that is, flange of connecting portion 40 intersects with the axis of the first pedestal 11 and the second pedestal 12, just
It is connect in generator or impeller, while enables to the stress of clutch shaft bearing 21 and second bearing 22 more balanced, flange is excellent
Bit selecting is an integral structure on the second main part 121 of the second pedestal 12 and with the second main part 121, can ensure yaw axis
The integral strength of bearing assembly 1, and then ensure when connecting generator or impeller, the stability of yaw bearing assembly 1.
As an alternative embodiment, the whole tapered structure of pedestal 10, specifically, the first pedestal 11 and second
Body 12 is cone tubular structure and shape matches, correspondingly, the radial dimension of clutch shaft bearing 21 is more than the diameter of second bearing 22
To size, on the basis of wind generating set yaw requirement is met, clutch shaft bearing 21 and second can be reduced to the greatest extent
The radial dimension of bearing 22 reduces the holistic cost of yaw bearing assembly 1, while pedestal 10 uses cone structure, can be into one
Step improves the whole stability of yaw bearing assembly 1, makes it that can ensure wind-driven generator when for wind power generating set
The stationarity of group yaw maneuver.
As a preferred embodiment, rotary connection further comprises 3rd bearing (not shown), 3rd bearing
It is connected to the first pedestal 11 and the second pedestal 12 and between clutch shaft bearing 21 and second bearing 22, that is, yaws floating bearing not
It is limited to only include 22 two clutch shaft bearing 21, second bearing bearings, the 3rd bearing accordingly set can reduce rotary connection
The bearing capacity of each bearing, the quantity of 3rd bearing can be one, it is of course also possible to for two or more, it can be according to carrying
It is required that setting.
It is understood that first end 112, the second end 113 are not limited to what is radially extended along the first pedestal 11
Annular protrusion structure, please refer to fig. 5, Fig. 5 shows the axonometric drawing of the yaw bearing assembly 1 of another embodiment, Fig. 6 shows
The schematic cross-sectional view of yaw bearing assembly 1 shown in Fig. 5 is gone out.The embodiment base of the present embodiment and embodiment illustrated in fig. 1
This is identical, and the difference lies in the second end 113 of the first pedestal 11 is the axially extending convex annular along the first pedestal 11
Structure is played, at this point, the inner ring of second bearing 22 is connect with the second end 113 of the first pedestal 11, and outer ring and the second pedestal 12
The 4th end 123 connect, yaw bearing assembly 1 provided in this embodiment when being applied to wind power generating set, is applied
Yaw the form that driving part preferably uses telescoping cylinder.
As a result, for the ease of the installation of telescoping cylinder, correspondingly, the mounting portion 30 of the present embodiment and embodiment illustrated in fig. 1
Embodiment is different.The mounting portion 30 of the present embodiment includes being connected to the projection cube structure 31a of the second pedestal 12 and is connected to the
Disk-like structure 32a on one pedestal 11, projection cube structure 31a can detachably be connected with the second pedestal 12 by fasteners such as bolts
It connects, the forms such as welding can also be used to be fixedly connected with the second pedestal 12, disk-like structure 32a and the first pedestal 11 can pass through spiral shell
The fasteners such as bolt are detachably connected, and the forms such as welding can also be used to be fixedly connected with the first pedestal 11.
Certainly, embodiment illustrated in fig. 5 is only the preferred mode of one of which, in some embodiments, the first pedestal 11
First end 112 and the second end 113 can also be the axially extending annular protrusion structure along the first pedestal 11, together
When, 122 and the 4th end 123 of third end of the second pedestal 12 can also be the axially extending ring along the second pedestal 12
Shape structure, at this point, clutch shaft bearing 21 and the inner ring of second bearing 22 respectively with the first end 112 and second end of the first pedestal 11
Portion 113 connects, correspondingly, the outer ring of clutch shaft bearing 21 and the outer ring of second bearing 22 the third end with the second pedestal 12 respectively
122 and the 4th end 123 connect.As long as meet clutch shaft bearing 21 and 22 and first pedestal 11 of second bearing and the second pedestal 12
Connection request, when being applied to wind power generating set convenient for driving.
It is understood that the mounting portion 30 of the yaw bearing assembly 1 of the various embodiments described above be respectively positioned on the second pedestal 12 or
Person is simultaneously on the first pedestal 11 and the second pedestal 12.In some optional embodiments, when yaw bearing assembly 1 is applied to
Wind power generating set, and the first pedestal 11 is connect with cabin, when the second pedestal 12 is connect with tower 2, correspondingly, for driving
The yaw driving part that first pedestal 11 of moving base 10 and the second pedestal 12 relatively rotate, as driving motor can be located at first
In pedestal 11.Therefore, in some embodiments, mounting portion 30 can be only set on the second pedestal 12, when positioned at the second pedestal
When the first pedestal 11 in 12 rotates, generator and impeller can be directly connected to cabin, can not be connect with connecting portion 40, be protected
Demonstrate,prove the yaw demand of wind power generating set.
Yaw bearing assembly 1 provided in an embodiment of the present invention is when being applied to wind power generating set as a result, the first pedestal 11
And second one of pedestal 12 can be connect with tower, another one can be connect with cabin, under the action of driving part is yawed,
The first pedestal 11 and the second pedestal 12 can be driven to relatively rotate, so that cabin can be rotated relative to tower.Due to yaw
Bearing assembly 1 includes 22 structure of clutch shaft bearing 21 and second bearing, preferably further includes 3rd bearing, with respect to single bearing structure, makes
The radial width smaller of yaw bearing assembly 1 is obtained, under the premise of the yaw requirement of wind power generating set is met, wind-force can be reduced
The cabin width of generating set, and then reduce the cost of wind power generating set and be readily transported.
Also referring to Fig. 7, Fig. 7 shows the sectional structure signal of the wind power generating set of one embodiment of the invention
Figure, Fig. 8 show the partial structural diagram of wind power generating set shown in Fig. 7.
The embodiment of the present invention also provides a kind of wind power generating set, including tower 2, cabin 3, generator 302, impeller 4, on
The yaw bearing assembly 1 and yaw driving part 5, cabin 3 for stating each embodiment are stacked in the axial direction of tower 2 with tower 2, machine
Cabin 3 includes engine room cover 301, and generator 302 is connected to cabin 3, and impeller 4 is connected to generator 302.The of yaw bearing assembly 1
One of one pedestal 11 and the second pedestal 12 are connect with tower 2, and another one is connect with cabin 3.Yaw driving part 5 and yaw axis
Bearing assembly 1 connects, the first pedestal 11 and the second pedestal 12 to be driven to relatively rotate.
Specifically, in the present embodiment, yaw bearing assembly 1 is preferably using yaw bearing assembly 1 shown in FIG. 1, yaw axis
First pedestal 11 of bearing assembly 1 is connect with tower 2, and the second pedestal 12 is connect with cabin 3.It can between first pedestal 11 and tower 2
To be connected using welding or by fasteners such as bolts, may be used between 301 and second pedestal 12 of engine room cover of cabin 3
6 transition of part connection is crossed, transition piece 6 can be directly connected to the second pedestal 12, can also be indirectly connected with by mounting portion 5, transition
Part 6 can be platy structure, it is of course also possible to the structure for other forms, by using transition piece 6 by engine room cover 301 and the
Two pedestals 12 connect.
Driving part 5 is yawed using driving motor, is turned for the ease of adjusting the first pedestal 11 and the opposite of the second pedestal 12
Dynamic speed, the output terminal of driving motor can connect retarder, and retarder can be an integral structure with driving motor, when inclined
When the bearing assembly 1 that navigates includes mounting portion 30, yaw driving part 5 is preferably attached on mounting portion 30.In the present embodiment, first axle
Hold 21 and 22 corresponding position of second bearing be both provided with yaw driving part 5, the output terminal of yaw driving part 5 is drive, partially
The output terminal of boat driving part 5 passes through transmission belt, transmission chain or drive and corresponding clutch shaft bearing 21 and second bearing 22
Transmission cooperation, it is preferred to use drive, as the mode of gear engaged transmission cooperation connects.
Wind power generating set provided in an embodiment of the present invention, because that includes the various embodiments described above yaw bearing assembly 1, making
Its cabin 3 and impeller 4 drive the second pedestal 12 to be rotated relative to the first pedestal 11 when needing yaw, by yawing driving part 5,
Since the second pedestal 12 is connect with the engine room cover of cabin 3 so that the second pedestal 12 drives cabin 3 and impeller during rotation
4 rotations, realize yaw.Since yaw bearing assembly 1 is using dual bearing structure, even multiaxis bearing structure so that wind-power electricity generation
For unit relative to traditional wind power generating set that variable pitch is carried out using single bearing structure, can not only better meet yaw will
It asks, compared with the cost with the radial dimension of single bearing structure of bigger, cost is lower for duplex bearing or multiaxis bearing assembly, while because
The radial dimension of yaw bearing of bigger is not needed to, can effectively reduce the width of cabin 3, and then reduce wind power generating set
It cost and is readily transported,
Yaw bearing assembly 1 due to using is installed again after being pre-assembled to wind-power electricity generation for modular construction
Unit.And connect with components such as cabin 3, towers 2, it will not increase assembly process relative to traditional wind power generating set, be convenient for
Installation.Yaw bearing assembly 1 does not need to change the structure of other components such as tower 2 when for wind power generating set
Become, tower 2 may be used can meet the requirements, therefore do not interfere with tower along the axial direction of its own for prismatic tubular structure
The structural strength of 2 grade other components of cylinder.Meanwhile yaw bearing assembly 1 is with tower 2 when connecting, can directly with 2 top of tower
Flange arrangement connection, without additionally setting the structures such as support plate or braced frame, on the basis of above-mentioned requirements are met, drop
It is low to use material, and then reduce cost.
As an alternative embodiment, yaw bearing assembly 1 is preferably disposed in engine room cover 301, set by above-mentioned
It puts, easy to operate and yaw bearing assembly 1 of being more convenient for installation and maintenance.More preferably, when yaw bearing assembly 1 includes connecting
During socket part 40, generator 302 or impeller 4 are connect with connecting portion 40, and the wind power generating set in the present embodiment is direct-drive type wind-force
Generating set, generator 302 are located at the outside of engine room cover 301, and therefore, in the present embodiment, generator 302 connects with connecting portion 40
It connects, certainly, when wind power generating set is other types, during such as double-feedback aerogenerator group, preferred impeller 4 and connecting portion 40
Connection.
Likewise, it is as stated above, generator 302 or impeller 4 are connect with connecting portion 40, due to 40 preferred position of connecting portion
Between clutch shaft bearing 21 and second bearing 22 so that cabin 3 and the gravitational load of impeller 4, wind load generate at yaw center
Moment of flexure be converted into clutch shaft bearing 21, second bearing 22 radial load so that clutch shaft bearing 21 is solely subjected to radial load, without holding
Bending moment, in the case of same head form, identical weight, even if the wind-driven generator of the embodiment of the present invention is super large million
Watt unit, cabin 3 also disclosure satisfy that land transport, and described super large megawatt unit can be the unit more than 5MW, the unit
Grade can not realize land transport using single-bearing scheme.
Also referring to Fig. 9, Fig. 9 shows the sectional structure signal of the wind power generating set of another embodiment of the present invention
Figure, Figure 10 show the partial structural diagram of wind power generating set shown in Fig. 9.Shown in the embodiment and Fig. 7 of the present embodiment
Embodiment is essentially identical, and the difference lies in the yaw bearing assembly 1 of the present embodiment uses yaw bearing group shown in fig. 5
Part 1, meanwhile, the yaw driving part 5 of the present embodiment includes more than two telescoping cylinders, and more than two telescoping cylinders are spaced to be set
It puts, telescoping cylinder includes cylinder body 501 and cylinder rod 502, and one of cylinder body 501 and cylinder rod 502 are rotatably connected with the first pedestal 11, separately
One is rotatably connected with the second pedestal 12, the first pedestal 11 and the second pedestal 12 to be driven to relatively rotate.
Preferably, the telescoping cylinder quantity of the present embodiment is two, and the cylinder body 501 of two telescoping cylinders is cut with scissors with the first pedestal 11
It connects, specifically can be hinged by the disk-like structure 32a of mounting portion 30 and the first pedestal 11, the cylinder rod 502 of two telescoping cylinders and the
Two pedestals 12 are hinged, can be specifically hinged by the projection cube structure 31a of mounting portion 30, and the axis of two telescoping cylinders is preferably mutually flat
Row, by the way that telescoping cylinder is driven to stretch, can equally realize that the first pedestal 11 and the second pedestal 12 relatively rotate, and then realize wind-force
The yaw requirement of generating set.Telescoping cylinder in the present embodiment can be pneumatic cylinder, hydraulic cylinder or electric cylinder.
It is understood that the quantity of telescoping cylinder is not limited to two, and can be three even more, it specifically can basis
The driving requirement setting of yaw bearing assembly 1 when being multiple, can surround the first pedestal 11 and the axis of the second pedestal 12 is equal
Even setting better meets driving requirement.
It is understood that the first pedestal 11 of the yaw bearing assembly 1 of the wind power generating set of the various embodiments described above is
It is connect with tower 2, the second pedestal 12 is connect with cabin 3, this is preferred embodiment, but is not limited to above-mentioned form, one
In a little optional embodiments, the second pedestal 12 with tower 2 can also be connect, and the first pedestal 11 is connect with cabin 3, this
When, transition piece 6 may be used and connect at the top of cabin 3 with the first pedestal 11, and accordingly change the position of yaw driving part 5
It puts, as long as disclosure satisfy that the yaw requirement of wind-power electricity generation group.
Yaw bearing assembly 1 and wind power generating set provided in an embodiment of the present invention as a result, yaw bearing assembly 1 can
For the yaw system of wind power generating set, on the basis of the yaw requirement of wind power generating set is met, wind-force can be reduced
3 width of cabin of generating set, reduces cost and is readily transported, use easy to spread.
Although by reference to preferred embodiment, invention has been described, in the situation for not departing from the scope of the present invention
Under, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, it to be rushed as long as there is no structures
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited in texts
Disclosed in specific embodiment, but all technical solutions including falling within the scope of the appended claims.
Claims (13)
- A kind of 1. yaw bearing assembly (1), for wind power generating set, which is characterized in that yaw bearing assembly (1) packet It includes：Pedestal (10), including the first pedestal (11) for being mutually socketed and being coaxially disposed and the second pedestal (12)；Rotary connection, is connected to first pedestal (11) and the second pedestal (12), and the rotary connection is included in described Spaced clutch shaft bearing (21) and second bearing (22), institute in the axial direction of first pedestal (11) and second pedestal (12) It is rotatable by the clutch shaft bearing (21) and the second bearing (22) with second pedestal (12) to state the first pedestal (11) Connection.
- 2. yaw bearing assembly (1) according to claim 1, which is characterized in that first pedestal (11) and described Two pedestals (12) are open column shape structure.
- 3. yaw bearing assembly (1) according to claim 2, which is characterized in that first pedestal (11) is at its own Axial direction on include opposite first end (112) and the second end (113), second pedestal (12) is in the axial direction of its own Upper to include opposite third end (122) and the 4th end (123), the clutch shaft bearing (21) is connected to the first end (112) and the third end (122), the second bearing (22) are connected to the second end (113) and the 4th end Portion (123).
- 4. yaw bearing assembly (1) according to claim 3, which is characterized in that the first end (112) and/or institute It is the annular protrusion structure axially or radially extended along first pedestal (11) to state the second end (113)；The third end Portion (122) and/or the 4th end (123) are the annular protrusion knot axially or radially extended along second pedestal (12) Structure.
- 5. yaw bearing assembly (1) according to any one of claims 1 to 4, which is characterized in that first pedestal (11) and/or on second pedestal (12) mounting portion (30) is provided with, for installing the yaw of the wind power generating set Driving part (5).
- 6. yaw bearing assembly (1) according to any one of claims 1 to 4, which is characterized in that first pedestal (11) or on second pedestal (12) connecting portion (40) is set, and the connecting portion (40) is positioned at the clutch shaft bearing (21) and institute Between stating second bearing (22), for connecting the generator (302) or impeller (4) of the wind power generating set.
- 7. yaw bearing assembly (1) according to claim 6, which is characterized in that the connecting portion (40) is flange, and institute The axis for stating connecting portion (40) intersects with the axis of first pedestal (11) and second pedestal (12).
- 8. yaw bearing assembly (1) according to any one of claims 1 to 4, which is characterized in that the pedestal (10) is whole Body is taper column structure, and the radial dimension of the clutch shaft bearing (21) is more than the radial dimension of the second bearing (22).
- 9. yaw bearing assembly (1) according to any one of claims 1 to 4, which is characterized in that the rotary connection Further comprise 3rd bearing, the 3rd bearing is connected to first pedestal (11) and second pedestal (12) and is located at Between the clutch shaft bearing (21) and the second bearing (22).
- 10. a kind of wind power generating set, which is characterized in that including：Tower (2)；Cabin (3) is stacked in axial direction and the tower (2) of the tower (2), and the cabin (3) is including engine room cover (301)；Generator (302) is connected to the cabin (3)Impeller (4) is connected to the generator (302)；Yaw bearing assembly (1) as described in claim 1 to 9 any one, first pedestal (11) and second described One of body (12) is connect with the tower (2), and another one is connect with the cabin (3)；Driving part (5) is yawed, is connect with the yaw bearing assembly (1), first pedestal (11) and described can be driven Second pedestal (12) relatively rotates.
- 11. wind power generating set according to claim 10, which is characterized in that the yaw bearing assembly (1) is set to In the engine room cover (301)；When the yaw bearing assembly (1) is including the connecting portion (40), the generator (302) or The impeller (4) connect with the connecting portion (40).
- 12. the wind power generating set according to claim 10 or 11, which is characterized in that the yaw driving part (5) is wrapped Driving motor is included, the driving motor coordinates with the clutch shaft bearing (21) and/or the second bearing (22) transmission, with driving First pedestal (11) and second pedestal (12) relatively rotate.
- 13. the wind power generating set according to claim 10 or 11, which is characterized in that the yaw driving part (5) is wrapped More than two telescoping cylinders, more than two spaced settings of telescoping cylinder are included, the telescoping cylinder includes cylinder body (501) and cylinder rod (502), one of the cylinder body (501) and the cylinder rod (502) are rotatably connected with first pedestal (11), another one with Second pedestal (12) is rotatably connected, first pedestal (11) and second pedestal (12) to be driven to relatively rotate.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711490939.0A CN108150367B (en) | 2017-12-30 | 2017-12-30 | Yaw bearing assembly and wind generating set |
| PCT/CN2018/086020 WO2019128031A1 (en) | 2017-12-30 | 2018-05-08 | Yaw bearing assembly and wind power generator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711490939.0A CN108150367B (en) | 2017-12-30 | 2017-12-30 | Yaw bearing assembly and wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108150367A true CN108150367A (en) | 2018-06-12 |
| CN108150367B CN108150367B (en) | 2020-06-02 |
Family
ID=62460245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711490939.0A Active CN108150367B (en) | 2017-12-30 | 2017-12-30 | Yaw bearing assembly and wind generating set |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108150367B (en) |
| WO (1) | WO2019128031A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080272604A1 (en) * | 2007-04-27 | 2008-11-06 | Cornelus Johannes Antonius Versteegh | Wind Turbine |
| CN102312795A (en) * | 2010-06-29 | 2012-01-11 | 通用电气公司 | The driftage bearing arrangement |
| CN102713268A (en) * | 2009-10-29 | 2012-10-03 | 默文图公司 | Wind power station |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1291521A1 (en) * | 2001-09-06 | 2003-03-12 | Turbowinds N.V./S.A. | Wind turbine nacelle with moving crane |
| FR2929345B1 (en) * | 2008-03-26 | 2017-06-23 | Tecddis | BEARING DEVICE FOR WINDNY NACELLE |
| US8459872B2 (en) * | 2008-10-10 | 2013-06-11 | General Electric Company | Bearing with alternative load path for extreme loads |
| US8469664B2 (en) * | 2011-12-09 | 2013-06-25 | General Electric Company | Yaw bearing assembly and tower for wind turbine |
-
2017
- 2017-12-30 CN CN201711490939.0A patent/CN108150367B/en active Active
-
2018
- 2018-05-08 WO PCT/CN2018/086020 patent/WO2019128031A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080272604A1 (en) * | 2007-04-27 | 2008-11-06 | Cornelus Johannes Antonius Versteegh | Wind Turbine |
| CN102713268A (en) * | 2009-10-29 | 2012-10-03 | 默文图公司 | Wind power station |
| CN102312795A (en) * | 2010-06-29 | 2012-01-11 | 通用电气公司 | The driftage bearing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108150367B (en) | 2020-06-02 |
| WO2019128031A1 (en) | 2019-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6629815B2 (en) | Peripheral turbine support system | |
| KR101761328B1 (en) | Wind turbine rotor and wind turbine | |
| CN102305192B (en) | Large-wind sail vertical rotation type wind power generation tower | |
| CN101711309A (en) | Turbine rotor and power plant | |
| CN201418000Y (en) | Outer rotor generator for vertical shaft wind power generator | |
| US11725633B2 (en) | Pitch bearing for a wind turbine | |
| CN206290369U (en) | Wind power generating set and its hydraulic variable propeller system | |
| US9816489B2 (en) | Wind turbine tower having floating platform | |
| CN104847579A (en) | Adjustable-blade-attack-angle vertical-axis wind turbine with double-layer wind wheels | |
| CA2393963A1 (en) | Wind power plant | |
| CN207278419U (en) | Yaw brake device, yaw system and wind power generating set | |
| CN204538851U (en) | Wind-driven generator and bearing support structure thereof | |
| CN104518731B (en) | Wind-gathering photovoltaic power generation system of base station | |
| CN108798996A (en) | Yaw system and wind generating set | |
| CN108150367A (en) | Yaw bearing assembly and wind power generating set | |
| CN214616868U (en) | Wind wheel device and wind generating set | |
| CN201276863Y (en) | Steel reinforced concrete prefabricated wind power generation tower barrel | |
| CN106640531A (en) | Megawatt-grade draught fan with direct drive structure | |
| WO2012115512A1 (en) | Wind turbine with two rotors | |
| CN113153623A (en) | Wind wheel device and wind generating set | |
| CN101713374B (en) | Blade system for catching wind power | |
| US9938959B2 (en) | Hub and bearing system and a turbine comprising the hub and bearing system | |
| CN202746109U (en) | Vertical axis wind generator | |
| CN104405588B (en) | Wheeled direct wind-driven generator | |
| CN109469586A (en) | Low wind speed wind power generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |