CN105386941B - wind turbine rotor locking system - Google Patents
wind turbine rotor locking system Download PDFInfo
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- CN105386941B CN105386941B CN201510433594.XA CN201510433594A CN105386941B CN 105386941 B CN105386941 B CN 105386941B CN 201510433594 A CN201510433594 A CN 201510433594A CN 105386941 B CN105386941 B CN 105386941B
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- locking device
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- wind turbine
- locking
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- 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
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Abstract
The present invention relates to a kind of wind turbine rotor locking systems for wind turbine,And method of the operation for the wind turbine rotor locking system of wind turbine,The wind turbine includes pylon,Cabin and rotor,The rotor includes wind turbine blade and rotor hub,The rotor hub is rotatably installed in the interface between the rotor and cabin of the cabin,The interface includes that at least one bearing arrangement-torque bearing-includes inner bearing part and outer bearing part,The bearing rigidity is connected to the main frame structure of the cabin,And it is rigidly connected to the wind wheel hub,For rotatably supporting the wind wheel,And for transmitting the load from wind wheel weight and acting on the wind load of wind wheel,The wind wheel further includes the main shaft for transmitting torque to generator,The torque is generated by the wind-force for acting on the wind wheel,The wind turbine rotor locking system further includes one or more locking devices.
Description
Technical field
The present invention relates to a kind of wind turbine rotor locking systems for wind turbine for this, wherein the wind-force whirlpool
Turbine include at least pylon, positioned at the pylon top cabin and be installed on the rotor of the cabin, the rotor includes
At least two panels wind turbine blade and rotor hub, the rotor hub are rotatably installed in the rotor and machine of the cabin
Interface between cabin, the interface include at least one bearing arrangement, which includes inner bearing part and outer bearing
Part, at least one bearing parts are rigidly connected to the main frame structure of the cabin, at least another bearing parts rigid connection
To the wind wheel hub, for rotatably supporting the wind wheel, and for transmitting load and effect from wind wheel weight
In the wind load of wind wheel, the wind wheel further includes the main shaft for transmitting torque to generator, and the torque is by acting on
The wind-force for stating wind wheel generates, and the wind turbine rotor locking system further includes one or more locking devices.
A kind of method of wind turbine rotor locking system the invention further relates to operation for wind turbine,
It is realized by using above-mentioned wind turbine rotor locking system, wherein the wind turbine include at least pylon,
Positioned at the pylon top cabin and be installed on the rotor of the cabin, the rotor includes at least two panels wind turbine
Blade and rotor hub, the rotor hub are rotatably installed in the interface between the rotor and cabin of the cabin, institute
Stating interface includes at least one bearing arrangement, which includes inner bearing part and outer bearing part, at least one bearing
Part is rigidly connected to the main frame structure of the cabin, and at least another bearing parts is rigidly connected to the wind wheel hub, uses
In rotatably supporting the wind wheel, and for transmitting the load from wind wheel weight and acting on the wind load of wind wheel,
The wind wheel further includes the main shaft for transmitting torque to generator, which is generated by the wind-force for acting on the wind wheel,
The wind turbine rotor locking system further includes one or more locking devices.
Background technique
It is well known that wind turbine have certain be used for brake and/or lock wind turbine wind wheel braking or
Locking system, preferably the maintenance period or other need that rotor is fixed in the case where, be fixed in specific position.Together
Sample, it is known that the system that wind turbine single blade is locked in certain tilt position.The present invention relates to relative to wind-force whirlpool
The cabin of turbine/main frame braking and locking wind wheel.Above-mentioned wind wheel can be regarded as including wheel hub and several wind turbine blades
Rotor, for converting rotational energy for wind-force.The reason of explaining this is that another turn is generally also provided with due to wind turbine
Son, the i.e. rotor of generator, also known as be rotor, the fixed stator close to generator rotates, and thus generates electricity.
A large amount of wind turbines use gearbox, by wind wheel quite at a slow speed be converted into rotor more rapidly
Rotation.This wind turbine generally includes to be set to the disk brake system between gearbox and generator, in order that only
Cope with lesser torque.Other wind turbines, which have, is arranged in braking system before gearbox, thus its must cope with compared with
High torque, and revolutions per minute is less at this time.Because at least there are some loosenings in the gearbox between wind wheel and generator, this
Kind braking and locking system has several disadvantages.On more and more common, so-called direct-drive wind turbine, wind wheel direct-coupling
To rotor, gearbox is not present.
Braking system is set on the main shaft before gearbox or after gearbox or by braking system by above scheme
System is set on the main shaft of direct-drive wind turbine, and main shaft is necessary for firm, to be able to bear in braking and locking
Active force.
Wind turbine, such as diameter may be up to such as 50 tonnes up to 100 meters, weight.In addition, rotor also has
Sizable quality, up to 20 tonnes.In order to stop and constrain so big quality using activation braking and locking system, it is necessary to
Meet a large amount of requirement.If whole transmission chain, including wheel hub, main shaft and generator, there are any loosening or too big elasticity, be
System will wear away to obtain very fast and final fracture, to cause serious problem and increase cost, and be inevitably present
A certain amount of this loosening and elasticity.In order to mitigate weight --- this is permanent subject under discussion in wind turbine industry ---
How much there is problem in the braking and locking system known, because these systems are rigid comprising heavy huge rigid steel shaft, with
Just firm enough to acceptable low elasticity.
From wind wheel locking system a kind of known to U.S. Patent application document US2010/0232978A1, wherein operation is several
The taper lock centering spindle the being arranged radially bellmouth engagement complementary with the shape along circumference of hub.The system is set to wind turbine
Between wheel hub and main frame, wherein wheel hub, which is connected to, bears load and torque, therefore very rigid main shaft, the main shaft
It is further attached to gearbox.One of the program it is sizable the disadvantage is that, which is merely able to locked rotor in the shape
On the permitted multiple and different positions in the hole of shape complementation.In this case, it is possible to only 12 positions, it is meant that rotor can only
It is enough to be locked according to the interval of 360/12=30 degree.In addition, mandrel shown in the literature has suitable problem to tend to --- engagement
When --- itself is filled in/is locked in the hole of shape complementation.After operation needed for completing, this will necessarily generate and ask
Topic, it is necessary to unclamp wind wheel again.
From scheme another known to European patent document EP2381092A2, wherein several locking mandrels are relative to wind-force whirlpool
The main shaft of turbine is axially run.It herein, can be by locked rotor in 8 positions, it is meant that rotor is merely able to according to 360/8=45
The interval of degree locks.The program there are problems that similarly filling in/lock mandrel.
Both above-mentioned schemes only have limited possible position, therefore its rotor must be braked to stationary, and
And therefore rotor needs slowly to turn to latched position, this, which is generally required, allows rotor to rotate up to 30/2=15 degree in any direction
Or 45/2=22.5 degree.Alternatively, required angle adjustment actually can be between 30-45 degree.Either larger angle smaller angle,
All necessary rotor, and if gearbox, bearing, the main shaft for transmitting torque, carrying wind wheel, generator or other important portions
The main shaft of part is impaired, needs repairing or replaces, and rotation rotor will be very difficult to carry out.
European patent EP 1167755A2 discloses a kind of locking system comprising the gear being set on armature spindle, wherein
Radially manual operation has the locking device of shape complementation outer surface, engages with the tooth rim of the gear.Electric driving wheel is for revolving
Turn armature spindle, so that the tooth accurate alignment of locking device and gear.If one or more parts damages of transmission chain, this will be difficult
To implement.Moreover, brake load concentrates on the tooth of very limited number, therefore increase the risk of locking system failure.
Goal of the invention
The object of the present invention is to provide a kind of wind turbine rotor locking systems for wind turbine, wherein
The wind wheel can be locked in each position, particularly preferably in the case where only needing the rotation of suitable low-angle, or can be used for wind
Wheel braking is to after stationary.
In addition, it is especially suitable for wind-force the object of the present invention is to provide a kind of wind turbine rotor locking system
Turbine, wherein the wind turbine includes the main shaft for extending to gear or generator from wheel hub, the spindle design is only
Rotary force is transmitted, i.e. the only torque from wind wheel weight or rotor weight, without moment of flexure.This main shaft may include example
It is made such as at least part fibre reinforced composites or by any appropriate metal or other materials.
Summary of the invention
As described above, the present invention relates to a kind of wind turbine rotor locking system for wind turbine, wherein institute
State wind turbine including at least pylon, positioned at the pylon top cabin and be installed on the rotor of the cabin, it is described
Rotor includes that at least two panels wind turbine blade and rotor hub, the rotor hub is rotatably installed in the cabin
Interface between rotor and cabin, the interface include at least one bearing arrangement, which includes inner bearing part
With outer bearing part, at least one bearing parts is rigidly connected to the main frame structure of the cabin, at least another bearing parts
It is rigidly connected to the wind wheel hub, for rotatably supporting the wind wheel, and for transmitting the load from wind wheel weight
And act on the wind load of wind wheel, the wind wheel further includes the main shaft for transmitting torque to generator, the torque by
The wind-force for acting on the wind wheel generates, and the wind turbine rotor locking system further includes one or more locking devices.
The type of above-mentioned bearing arrangement is " torque bearing " well known in row, wherein being originated from all load of weight and wind-force
It is transferred to main frame by the torque bearing, and individually main shaft is subjected only to from wind turbine rotor for example, by speed change
Case is transferred to the spin load of generator.
Innovation of the invention is that the wind turbine rotor locking system includes at least one lock part,
The lock part includes first set locking device, is connect for locking device complementary with the first set shape of main frame is connected to
It closes, further includes second set of locking device, engaged for locking device complementary with second set of shape of rotor hub is connected to, it is described
Lock part includes at least two sets of locking devices, wherein a set of locking device is set on a surface of the lock part,
Another set of locking device is set on another surface of the lock part.
This lock part is mounted between main frame and wheel hub, and in such a way that all parts lock relative to each other
" filling up gap ", this programme be suitable for replace or repair for example for transmitting the main shaft of torque when, lock and keep wheel hub (and
Rotor) in position on.
This is extraordinary scheme, because base bearing is located at quite close between the main frame and wheel hub of locking system, because
There are closed tolerances between main frame and wheel hub for this.The part of the rotor hub of active lock is preferably back stiffening plate, should
Back stiffening plate is mounted on rotor hub, and towards main frame or towards a part of main frame, such as main frame
Stiffening plate.Another advantage of locking system of the invention is, in the starting point of transmission chain, all components discussed realize non-
The locking of Chang Jianshi, and there is only very small amount of loosenings --- if any.
In one embodiment of wind turbine rotor locking system of the invention, shape complementation locking device can turn
There is the first elasticity modulus, the locking device of lock part can be by llowing group of materials at least one of sub- wheel hub and main frame
One of be made：Metal alloy, plastic material, composite material --- such as fibrous composite, wherein the material has second
Elasticity modulus, the second elasticity modulus is less than the first elasticity modulus.The locking device of lock part or at least lock part can be such as
It is made of aluminium, plastics or fibrous composite, therefore its elasticity modulus is lower than the component being complementary.Thus it can realize, due to
At least allow in lock part or at the locking device of lock part to occur deforming slightly, therefore lock part is easier uniform
Bear load in distribution ground.Shape complementation locking device can also be set on rotor hub and/or main frame, the rotor hub
And/or the elasticity modulus of main frame is less than the elasticity modulus of lock part.However, being more convenient that there is any change on the locking portion
Shape, because can be replaced after using certain number.The locking mandrel of the method and prior art comparison, hence it is evident that have perhaps
More advantages, be not engage some mandrels only to bear load, but a considerable amount of locking device will support each other with
It completes the strength of rotor and simply locks.
In another embodiment of wind turbine rotor locking system of the invention, the wind turbine rotor locking
System includes at least one lock part, and wherein at least one lock part includes a set of locking device, is used for and main frame
The engagement of complementary locking device, and further include another set of locking device, for being connect with the complementary locking device on rotor hub
It closes, which is：Between the 8-20 degree of 360 degree of full circumferences, between 10-18 degree, 12-15 degree it
Between.Gap after locking device locking device insertion complementary with shape between the two can be such as 2 millimeters or smaller.Wheel hub adds
The shape complementation locking device of strong plate for example can be easily made in a manner of identical with manufacture universal teeth week, or actually can
It is enough to be made by being mounted on the general interior tooth rim of stiffening plate.Moreover, the shape complementary part on main frame may include tooth rim.Example
Such as, 12 degree of lock part may include such as 4 sets locking devices with recess and groove shapes, it is meant that every set includes one
The locking device of recess and a groove is equivalent to 12/4=3 degree, by wind wheel lock due to set before maintenance or maintenance work
When position, this is a quite high precision.Such as simple 12 degree of lock parts of aluminum significantly simplify operation, because should
Lock part only nearly weighs greatly 4 kilograms.Aluminium has high intensity, it is sufficient to match with the performance of steel.Low elastic modulus (Young's modulus)
The load balance recess that will be improved, and make the mean forced distribution for having on the component of low elastic modulus.This sticking department
Point can for example by using water jet cutting or it is radium-shine be cut into, and cut after be ready to come into operation because being not required to
Lock part is further processed.
The wind turbine rotor locking system may include a series of lock parts.
For example, lock part can have, locking device --- recess --- its radial height is 14 millimeters, axial width is
35 millimeters and circumferential lengths are 50 millimeters.According to material therefor and the load being subjected to, preferable other sizes.Therefore one
Lock part is about 400 millimeters, and bandpass is 80-150 millimeters.
Wind turbine rotor locking system of the invention may include at least one lock part, have in rotor hub
Circumferential lengths, and perpendicular to length direction, the thickness in rotor hub axial direction, wherein by lock part thickness and
Length limit two opposite edges surfaces include tooth form locking device, wherein lock part be arranged with respect to main frame and
Rotor hub is along axially mounted.
Since lock part includes locking device, locking device will also be arranged with respect to main frame and rotor hub
Along axially mounted.
Wind turbine rotor locking system of the invention may also include, at least one lock part has in rotor hub
Circumferential length also has perpendicular to length direction, the thickness in rotor hub axial direction, wherein by the thickness of lock part
The two opposite edges surfaces limited with length include the locking device of tooth form, and wherein lock part is arranged with respect to main frame
It is radially mounted with rotor hub.
Since lock part includes locking device, locking device will also be arranged with respect to main frame and rotor hub
It is radially mounted.Therefore, it is based on particular design, lock part of the invention can install both axially and radially.However it is most common
It is there is gap vertically, shown in following illustrated example between wheel hub and main frame.
In one embodiment of wind turbine rotor locking system of the invention, the locking device includes with sharp
Recess/tooth of sharp edge edge.
In another embodiment of wind turbine rotor locking system of the invention, the locking device includes having circle
Recess/the tooth on side.
Recess/tooth shape will consider potential break risk and production cost as caused by cutting effect.Locking
The shape of device can necessarily have a variety of designs, as long as all parts between wheel hub and main frame " can fill up gap " and complete
At suitable locking.
In one of wind turbine rotor locking system of the invention deformation, the locking device may include recess/
Tooth, wherein the tooth along edge surface is cone.
Tooth on lock part can be cone, and it is another that gradient of one of tooth on the side of lock part is greater than it
The gradient of side.The tooth can also be cone along the width direction of lock part, it is meant that on the side of lock part
The tall and big tooth in the other side of tooth is high.No matter cone how direction, single lock part is more easily installed, because of circular cone
Shape tooth will serve as chock, to be easier to compensate the small dislocation of all parts during installation.
All lock parts may include tooth/recess of cone, but actually only need at least one lock part
With conical tooth, because of any small dislocation when installation has the first lock part of conical tooth, between rotor and main frame
It will be aligned.This makes mountable other lock part without any conical tooth.
In another embodiment of wind turbine rotor locking system of the invention, rotor hub and main frame extremely
Shape complementation locking device at one of few may include conical depression/tooth.
Tooth at rotor hub and main frame can also be cone, so that lock part is by conical component when insertion
To guide.The locking device of main frame and rotor hub can have conical design, can have cone with only one
Shape design.Lock part can also be that two sides are taper, and be also possible to only be on a side taper.Taper is non-
Any combination of one or more sets locking devices of taper locking device complementary with shape is feasible.
Wind turbine rotor locking system of the invention may include that the locked rotor system further includes fixed device, when
When lock part is installed between rotor hub locking device complementary with the shape of the main frame, which is used
In at least one that one or more lock parts are fixed on to rotor hub and main frame, wherein the fixed device example
Such as it is made of one of following devices：Bolt, screw, bracket.Lock part may be designed as through bolt device bolt into bearing
Inner ring, such as using three M16 bolts or use any other suitable fastener or clamp device.
A kind of method of wind turbine rotor locking system the invention also includes operation for wind turbine, leads to
It crosses using above-mentioned wind turbine rotor locking system and realizes, wherein the wind turbine includes at least pylon, is located at
The cabin on the pylon top and the rotor for being installed on the cabin, the rotor include at least two panels wind turbine blade
And rotor hub, the rotor hub is rotatably installed in the interface between the rotor and cabin of the cabin, described to connect
Mouth includes at least one bearing arrangement, which includes inner bearing part and outer bearing part, at least one bearing parts
It is rigidly connected to the main frame structure of the cabin, at least another bearing parts is rigidly connected to the wind wheel hub, and being used for can
The wind wheel is rotatably supported, and for transmitting the load from wind wheel weight and acting on the wind load of wind wheel, it is described
Wind wheel further includes the main shaft for transmitting torque to generator, which is generated by the wind-force for acting on the wind wheel, described
Wind turbine rotor locking system further includes one or more locking devices.
Method of the invention can include at least the following steps：
Stop rotor,
First set shape complementation locking device is directed at second set of shape complementation locking device,
At least one lock part is set comprising first set locking device and second set of locking device,
The locking device of the lock part is inserted into the first set shape complementation locking device and second set of shape
Between shape complementation locking device,
One of the main frame and rotor hub are fixed in the lock part.
It can be easy insertion lock part, such as by the stiffening plate of rotor hub, interacted with rotor hub, while with
Main frame interacts with any device of main frame rigid contact.It, can by the apparatus for rotating and disc brake of rotor
Alignment locking device is inserted into the first lock part.As described above, by using the locking device with conical depression or tooth
Or shape complementation locking device, any small dislocation can be handled.
Method for operating the wind turbine rotor locking system for wind turbine of the invention, can be further
Include the following steps：
The first set shape complementation locking device locking device complementary with second set of shape is inserted into other lock parts
Between,
One of the main frame and rotor hub are fixed in other described lock parts.
The solution of the present invention can be locked by using lock part in the circumference of rotor hub and the interface of main frame,
The lock part occupies the 5-100% of circumference, but in a preferred embodiment of the invention, it is occupied and is less than using lock part
90%, 80%, 70%, 60%, 50%, 40%, 30% or 20% perimeter.
Above scheme is set as the system for being rigidly connected to cabin main frame for all wind wheel hubs are used for.This can be,
Such as wheel hub is mounted on to the rotor beam of main frame by single-bearing system or duplex bearing system, or wheel hub is directly installed on
The bearing interface of main frame.This design has previously used, such as so-called ring generator (ringgenerator),
Without main shaft, and other kinds of wind turbine is also configured with this axle system, wherein no longer occurring described previously
Elasticity and loosen the problem of.
In addition, this scheme is more and more common, because vibration, dislocation and moment of flexure will not be transferred to from rotor and/or main shaft
Gearbox and/or generator.By the way that bearing to be almost set up directly between wheel hub and main frame, in the component --- take turns
Very subtle tolerance is realized between hub and main frame, this to become using locking member locking wind wheel of the invention can
Row.
As described above, the present invention can be used in wind turbine configuration, which, which has, passes through single-bearing
System or duplex bearing system are mounted on the wheel hub of main frame.So far, this scheme is mainly used for the relatively small wind of multikilowatt
Turbine, because stress and strain can become very large when reaching MW class.The wheel hub of wind turbine generally has cast iron system
At can significantly be deformed when must endure as huge power in megawatt class of turbines, and running.However, can design
A kind of wheel hub is capable of handling load, and can be used in conjunction with one or two bearing arrangement.
It can be used for handling another design of high load capacity and deformation, including so-called rotor beam, and as described above, wherein wheel hub
It can also at least but usually be supported by two sets of bearings.Rotor beam is rigidly connected to cabin main frame, and prominent usually from wheel hub,
Thus the load of wind wheel is born, and also subject to the power for acting on wind wheel.Master can be passed through towards the torque transfer of generator as a result,
Axis carries out, which is only to transmit rotary force, without carrying wind wheel or bearing the moment of flexure for being originated from the wind wheel.
Detailed description of the invention
The embodiment of the present invention will only by way of example, and be described referring to following drawings, wherein：
Fig. 1 shows three blade wind turbine.
Fig. 2 shows the main frame of torque bearing type and rotor hubs.
Fig. 3 shows the cross section of main frame and rotor hub.
Fig. 4 shows the component of locking system.
Fig. 5 shows the first lock part.
Fig. 6 shows the second lock part.
Fig. 7 shows third lock part.
Hereinafter, attached drawing will be described one by one, and different all parts shown in the drawings and position will be marked with phase
Same serial number.All components not indicated in certain figures and position must all discuss together with the certain figures.
Position number list
1. wind turbine
2. pylon
3. ground
4. cabin
5. wind wheel
6. rotor hub
7. blade
8. Yawing mechanism
9. main frame
10. torque bearing
11. bearing inner race
12. bearing outer ring
13. back stiffening plate
14. main shaft
15. narrow slit
16. screw hole
17. lock part
18. first set locking device
19. second set of locking device
20. first set shape complementation locking device
21. second set of shape complementation locking device
Specific embodiment
Fig. 1 shows three blade wind turbine 1, and wherein wind turbine 1 includes the pylon 2 stretched out from ground foundation 3,
There is cabin 4 on 2 top of pylon.In one end of cabin 4, it is provided with wind wheel 5.Wind wheel 5 includes rotor hub 6 and three pieces blade 7,
In the case, blade 7 is so-called feather blade.Between pylon 2 and cabin 4, it is provided with Yawing mechanism 8 (in this figure
It is invisible), cabin 4 is rotated relative to pylon 2, to be made wind wheel 5 be directed to specific direction according to wind direction.
Fig. 2 shows the main frames 9 of cabin 4, wherein visible Yawing mechanism 8 is located at the lower edge of main frame 9, and rotor
Wheel hub 6 is mounted on torque bearing 10.Shown torque bearing 10 simplifies very much, if be shown specifically, in bearing inner race 11 and axis
Several rollers will be installed between bearing outer-ring 12 --- such roller bearing is well-known.Here, bearing inner race
11 are installed on rotor hub 6, and bearing outer ring 12 is installed on main frame 9.In addition, being equipped with back stiffening plate in bearing inner race 11
13.In the case, the back stiffening plate carrying is for transmitting the main shaft 14 of the torque from wind wheel 5.In main frame 9 and back
It can be seen that the seam 15 being rather narrow between portion's stiffening plate 13.
Fig. 3 shows cross section of the main frame 9 on the interface for strengthening plate 13 with 6/ back of rotor hub.In main frame 9,
It can be seen that several screw holes 16, and several screw holes 16 are also shown in back stiffening plate.All these screw holes 16 are used for all parts
It is fastened to torque bearing 10 above-mentioned.Between main frame 9 and back stiffening plate 13, it can be seen that the seam 15 being rather narrow, wherein pacifying
Equipped with several lock parts 17.Lock part 17 includes first set locking device 18 and second set of locking device 19, described each
Cover the locking device 20 complementary with first set shape of locking device 18,19 and second set of 21 phase interaction of shape complementation locking device
With.Rotational positioning of these lock parts 17 relative to the fixed back stiffening plate 13 of main frame 9 as a result,.The stiffening plate 13 at back
Outer rim, it is seen that several locking devices (recess/tooth) 20,21 in the interface inner edge of main frame 9, also show several locking devices.
As shown in the figure, lock part 17 occupies the perimeter of the about 40%-50% of narrow slit 15, this is usually far more than enough realities
The degree of existing secure lock.
Fig. 4 shows locking system component shown in Fig. 3, but shows at different angles herein, and only shows one
Point.Herein, it is seen that lock part 17 is before being mounted or being inserted into narrow slit 15, positioned at the front of narrow slit 15.This attached drawing is very
It clearly illustrates, there are a large amount of feasible latched positions to mean that, compared to other locking systems, which has in high precision, and its
He can for example have 2-8 feasible location by locking system.
Fig. 5 shows the first lock part 17, wherein visible first set locking device 18 and second set of locking device 19 have
There is sharpened edge design.
Fig. 6 shows the second lock part 17 ', wherein visible first set locking device 18 and second set of locking device 19 have
There is round edge design.
Fig. 7 shows third lock part 17 ", wherein visible first set locking device 18 and second set of locking device 19 have
There is the design of taper round edge.
In Fig. 5,6,7, it is seen that the example of different designs.However, also as described above, it is special to meet for technical staff
The demand for condition of pledging love, locking device 18,19,20,21 obviously can have any appropriate shape and size.
The present invention is not limited to embodiment described herein, and can be without departing from sheet described in the claims in the present invention
Under the range of invention, it can modify or deform.
Claims (12)
1. one kind is used for the wind turbine rotor locking system of wind turbine (1), wherein the wind turbine (1) is at least
Including pylon (2), it is located at the cabin (4) on the pylon (2) top and is installed on the wind wheel (5) of the cabin, wherein described
Wind wheel (5) includes that at least two panels wind turbine blade (7) and rotor hub (6), the rotor hub (6) is rotatably mounted
Interface between the wind wheel (5) and cabin (4) of the cabin (4), the interface includes at least one bearing arrangement, described
Bearing arrangement includes inner bearing part and outer bearing part, and wherein at least one bearing parts is rigidly connected to the master of the cabin
Frame (9) structure, at least another bearing parts is rigidly connected to the rotor hub (6), for rotatably supporting the wind
It takes turns (5), and for transmitting the load from wind wheel (5) weight and acting on the wind load of wind wheel (5), the wind wheel (5)
It further include for transmitting torque to the main shaft of generator (14), the torque is generated by the wind-force for acting on the wind wheel (5),
The wind turbine rotor locking system further includes one or more locking devices, which is characterized in that the wind turbine
Locked rotor system includes at least one lock part (17), and the lock part (17) includes first set locking device (18),
It is engaged for locking device (20) complementary with the first set shape for being connected to main frame (9), further includes second set of locking device
(19), it is engaged for locking device (21) complementary with second set of shape of rotor hub (6) is connected to, the lock part (17)
Including at least first set locking device (18) and second set of locking device (19), wherein first set locking device (18) is set to institute
It states on a surface of lock part (17), second set of locking device (19) is set to another surface of the lock part (17)
On.
2. wind turbine rotor locking system according to claim 1, which is characterized in that the shape complementation locking dress
The first elasticity modulus, the lock part can be had at one of rotor hub (6) and main frame (9) place by setting (20,21)
(17) first set locking device (18) and second set of locking device (19) can be made of one of llowing group of materials：Alloy, plasticity material
Material, composite material, wherein the material has the second elasticity modulus, second elasticity modulus is less than first springform
Amount.
3. wind turbine rotor locking system according to claim 1, which is characterized in that at least one lock part
(17) include first set locking device (18), for being engaged with the complementary locking device (20) of main frame (9), and further include the
Two sets of locking devices (19), for being engaged with the complementary locking device (21) on rotor hub (6), wherein at least one described lock
The relative length of part (17) is calmly：Between the 8-20 degree of 360 degree of full circumferences.
4. wind turbine rotor locking system according to claim 1, which is characterized in that at least one described sticking department
The circumferential lengths for dividing (17) that there are rotor hub (6), and perpendicular to length direction, the thickness being located in rotor hub (6) axial direction
It spends, wherein including first lock set of tooth form by two opposite edges surfaces that the thickness and length of lock part (17) limit
Determine device (18) and second set of locking device (19), the lock part (17) is arranged with respect to main frame (9) and rotor wheel
Hub (6) is along axially mounted.
5. wind turbine rotor locking system according to claim 1, which is characterized in that at least one described sticking department
The length for dividing (17) to have rotor hub (6) circumferential direction also has perpendicular to length direction, is located in rotor hub (6) axial direction
Thickness, wherein including the first set of tooth form by two opposite edges surfaces that the thickness and length of lock part (17) limit
Locking device (18) and second set of locking device (19), the lock part (17) are arranged with respect to main frame (9) and rotor
Wheel hub (6) is radially mounted.
6. wind turbine rotor locking system according to claim 1, which is characterized in that the first set locking device
(18) and second set of locking device (19) includes the recess/tooth with sharpened edge.
7. wind turbine rotor locking system according to claim 1, which is characterized in that the first set locking device
(18) and second set of locking device (19) includes the recess/tooth with round edge.
8. wind turbine rotor locking system according to claim 1, which is characterized in that the first set locking device
(18) and second set of locking device (19) includes recess/tooth that cone is shaped to along edge surface.
9. wind turbine rotor locking system according to claim 1, which is characterized in that rotor hub (6) and main
Shape complementation locking device (20,21) at least one of frame (9) may include conical depression/tooth.
10. wind turbine rotor locking system according to claim 1, which is characterized in that the wind turbine turns
Sub- locking system further includes fixed device, when the lock part (17) are installed on the rotor hub (6) and the main frame
(9) when between shape complementation locking device (20,21), the fixed device is used for one or more lock parts (17) are solid
At least one fixed to rotor hub (6) and main frame (9), wherein the fixed device by bolt, screw, bracket its
One of constitute.
11. operation is used for wind by using according to claim 1-10 described in any item wind turbine rotor locking systems
The method of the wind turbine rotor locking system of power turbine (1), wherein the wind turbine (1) includes at least pylon
(2), the cabin (4) for being located at the pylon (2) top and the wind wheel (5) for being installed on the cabin (4), wind wheel (5) packet
At least two panels wind turbine blade (7) and rotor hub (6) are included, the rotor hub (6) is rotatably installed in the machine
Interface between the wind wheel (5) and cabin (4) in cabin (4), the interface include at least one bearing arrangement, the bearing arrangement
Including inner bearing part and outer bearing part, at least one bearing parts is rigidly connected to main frame (9) knot of the cabin (4)
Structure, at least another bearing parts are rigidly connected to the rotor hub (6), for rotatably supporting the wind wheel (5), are used in combination
The load of wind wheel (5) weight is come from transmitting and acts on the wind load of wind wheel (5), and the wind wheel (5) further includes being used for
The main shaft (14) of generator is transmitted torque to, the torque is generated by the wind-force for acting on the wind wheel (5), the wind-force whirlpool
Turbine wheel locking system further includes one or more first set locking devices (18) and second set of locking device (19),
It is characterized in that, the method includes at least the following steps：
Stop wind wheel (5),
First set shape complementation locking device (20) is directed at second set of shape complementation locking device (21),
At least one lock part (17) is set comprising first set locking device (18) and second set of locking device (19),
By the first set locking device (18) of the lock part (17) and the insertion of second set of locking device (19) described the
Between a set of shape complementation locking device (20) locking device (21) complementary with second set of shape,
The lock part (17) are fixed to one of the main frame (9) and rotor hub (6).
12. the method for wind turbine rotor locking system of the operation according to claim 11 for wind turbine,
It is characterized in that, the method further includes the following steps：
The first set shape complementation locking device (20) lock complementary with second set of shape is inserted into other lock parts (17)
Determine between device (21),
Other described lock parts (17) are fixed to one of the main frame (9) and rotor hub (6).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK201470534A DK178152B1 (en) | 2014-09-02 | 2014-09-02 | Wind turbine rotor lock system |
| DKPA201470534 | 2014-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105386941A CN105386941A (en) | 2016-03-09 |
| CN105386941B true CN105386941B (en) | 2018-11-16 |
Family
ID=53513299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510433594.XA Active CN105386941B (en) | 2014-09-02 | 2015-07-22 | wind turbine rotor locking system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105386941B (en) |
| DK (1) | DK178152B1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK179196B1 (en) * | 2016-06-07 | 2018-01-29 | Envision Energy Denmark Aps | Wind turbine with a rotor locking system and a method thereof |
| DE102016124379A1 (en) | 2016-12-14 | 2018-06-14 | Wobben Properties Gmbh | Rotor locking device for a wind turbine and method |
| CN112664392A (en) | 2019-10-15 | 2021-04-16 | 通用电气公司 | System and method for locking wind turbine rotor during extended maintenance |
| EP3869033B1 (en) | 2020-02-20 | 2023-07-19 | Siemens Gamesa Renewable Energy Innovation & Technology, S.L. | Locking system for locking the main shaft of a wind turbine and wind turbine |
| CN112283020B (en) * | 2020-10-29 | 2022-05-20 | 上海电气风电集团股份有限公司 | Wind wheel locking device and wind generating set comprising same |
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|---|---|---|---|---|
| DE102004017323A1 (en) * | 2004-04-06 | 2005-11-03 | Repower Systems Ag | Pitch control for blade in wind powered generator has a servo drive to vary the pitch and with a separate locking system to hold the basic pitch up to a set wind speed |
| CN201568228U (en) * | 2009-10-23 | 2010-09-01 | 华锐风电科技(集团)股份有限公司 | Wind-powered machine unit hub |
| CN102414438A (en) * | 2009-03-13 | 2012-04-11 | 维斯塔斯风力***有限公司 | A rotor lock for a wind turbine |
| CN202300839U (en) * | 2011-11-09 | 2012-07-04 | 保定天威风电科技有限公司 | Locking structure of rotor lock of wind generating set |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10031472C1 (en) * | 2000-06-28 | 2002-04-18 | Tacke Windenergie Gmbh | Device for locking a shaft of a wind turbine driven by a rotor |
| EP2333326B1 (en) * | 2009-11-26 | 2013-07-17 | Siemens Aktiengesellschaft | Brake system for a wind turbine with integrated rotor lock, generator and wind turbine |
| US8556591B2 (en) * | 2010-04-21 | 2013-10-15 | General Electric Company | Systems and methods for assembling a rotor lock assembly for use in a wind turbine |
| DK177513B1 (en) * | 2012-03-29 | 2013-08-19 | Envision Energy Denmark Aps | Pitch Lock System |
| KR101323801B1 (en) * | 2012-06-28 | 2013-10-31 | 삼성중공업 주식회사 | Rotor rotating apparatus for wind turbine |
| KR20140072561A (en) * | 2012-12-05 | 2014-06-13 | 대우조선해양 주식회사 | Rotor shaft locking apparatus for wind power generator |
-
2014
- 2014-09-02 DK DK201470534A patent/DK178152B1/en not_active IP Right Cessation
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2015
- 2015-07-22 CN CN201510433594.XA patent/CN105386941B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004017323A1 (en) * | 2004-04-06 | 2005-11-03 | Repower Systems Ag | Pitch control for blade in wind powered generator has a servo drive to vary the pitch and with a separate locking system to hold the basic pitch up to a set wind speed |
| CN102414438A (en) * | 2009-03-13 | 2012-04-11 | 维斯塔斯风力***有限公司 | A rotor lock for a wind turbine |
| CN201568228U (en) * | 2009-10-23 | 2010-09-01 | 华锐风电科技(集团)股份有限公司 | Wind-powered machine unit hub |
| CN202300839U (en) * | 2011-11-09 | 2012-07-04 | 保定天威风电科技有限公司 | Locking structure of rotor lock of wind generating set |
Also Published As
| Publication number | Publication date |
|---|---|
| DK178152B1 (en) | 2015-07-06 |
| CN105386941A (en) | 2016-03-09 |
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Address after: Shen Gang street of Jiangyin city in Jiangsu province 214443 Wuxi city Shen Zhuang Road No. 3 Patentee after: Vision Energy Co.,Ltd. Address before: Shen Gang street of Jiangyin city in Jiangsu province 214443 Wuxi city Shen Zhuang Road No. 3 Patentee before: Envision Energy (Denmark) APS |