CN106801660B - For installing the method and apparatus of the blade of wind-driven generator - Google Patents
For installing the method and apparatus of the blade of wind-driven generator Download PDFInfo
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- CN106801660B CN106801660B CN201710049519.2A CN201710049519A CN106801660B CN 106801660 B CN106801660 B CN 106801660B CN 201710049519 A CN201710049519 A CN 201710049519A CN 106801660 B CN106801660 B CN 106801660B
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- blade
- rotor hub
- balance element
- balance
- torque
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000009434 installation Methods 0.000 claims description 37
- 238000010586 diagram Methods 0.000 description 13
- 238000010276 construction Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 108010066278 cabin-4 Proteins 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007306 turnover 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
-
- 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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- 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)
- Wind Motors (AREA)
Abstract
The present invention provides a kind of for installing the method and apparatus of the blade of wind-driven generator.This method comprises: the first blade, the first balance element and the second balance element in multiple blades are installed on rotor hub, first balance element and the second balance element are wherein separately mounted to first side and second side opposite along rotor hub circumferential direction of the first blade, so that the torque that the first balance element and the second balance element are generated relative to the rotation center of rotor hub is substantially cancelled out each other；The rotor hub for being equipped with the first blade, the first balance element and the second balance element is connected to generator, and pass through locking device locked rotor wheel hub so that the first blade downwards；Second balance element is removed from rotor hub and the second blade is installed in second side of the first blade；And third blade is installed in the first side for stating the first blade, wherein during the second blade and third blade are installed, the first balance element is maintained on rotor hub.
Description
Technical field
The present invention relates to a kind of method and apparatus of blade for installing wind-driven generator.In particular it relates to list
Blade mounting means can reduce the locking device Moment for locked rotor wheel hub when installing the blade of wind-driven generator
Installation wind-driven generator blade method and apparatus.
Background technique
The installation method of the blade of known wind-driven generator has cloverleaf installation and single blade mounting means.Cloverleaf installation
Biggish ground place is needed, the hillside narrow for construction site, hilly country, difficulty of construction is big.In addition, cloverleaf is installed
When, front face area is big, installs that control in place is difficult, and aerial whole turn over be easy to cause blade damage, it is also necessary to crane capacity compared with
Big lifting machine.
The place that single blade mounting means needs is relatively small, it is possible to reduce fabricating yard cost is more suitable hillside, mound
The narrow area in the construction sites such as mound.But it during single blade installation, generally requires to lock wheel hub by locking device
To install blade.In this case, the weight of blade itself and the wind-force being subject to act on the torque generated to locking device
The receiving upper limit that locking device may be exceeded, leads to the deformation and damage of locking device.Therefore, it is necessary to the very high lockings of intensity
Device.
Summary of the invention
In order to overcome the defect of single blade installation method in the prior art, the present invention provides one kind for installing wind-force hair
The method and apparatus of the blade of motor can be reduced when with the blade of single blade mounting means installation wind-driven generator and is used for
Torque suffered by the locking device of locked rotor wheel hub, so as to do not need improve locking device intensity in the case where,
Reduce the risk that locking device is deformed and damaged.In addition, device and method according to the present invention install blade, substantially
The structure of existing wind-driven generator is had no need to change, additional weight will not be increased to wind-driven generator, therefore according to this hair
Bright device and method are suitable for the installation of the blade of various different configuration of wind-driven generators.
According to an embodiment of the invention, providing a kind of method for installing the blade of wind-driven generator, the wind-force
Generator include tower and be arranged in the tower top generating equipment, the generating equipment include rotor hub, use
In the generator for being installed to multiple blades of the rotor hub and being connect with the rotor hub, the method includes with
Lower step: the first blade, the first balance element and the second balance element in the multiple blade are installed on the rotor hub,
First balance element and second balance element are wherein separately mounted to all along the rotor hub of first blade
To the first opposite side of direction and second side, so that first balance element and second balance element are relative to the rotor
The torque that the rotation center of wheel hub generates substantially is cancelled out each other；First blade, first balance element and institute will be installed
The rotor hub for stating the second balance element is connected to the generator, and by locking device lock the rotor hub with
So that first blade is towards predetermined direction；Second balance element is removed from the rotor hub and described
Described second side of one blade installs second blade；And third leaf is installed in first side of first blade
Piece, wherein during installing second blade and the third blade, first balance element is maintained at the rotor wheel
On hub.
According to some embodiments of the present invention, wherein the rotor hub is locked so that institute by the locking device
State the first blade downwards.
According to some embodiments of the present invention, wherein make rotation of first balance element relative to the rotor hub
The torque that center generates is less than second blade or the third blade and produces relative to the rotation center of the rotor hub
Raw torque, and it is less than the maximum moment that the locking device is able to bear.
According to some embodiments of the present invention, wherein make rotation of first balance element relative to the rotor hub
The torque that center generates offsets a part for the torque that second blade is generated relative to the rotation center of the rotor hub,
And it is less than the maximum moment that the locking device is able to bear after being partially offset torque caused by second blade.
According to some embodiments of the present invention, wherein by the multiple blade the first blade, the first balance element and
Second balance element is installed in the step on the rotor hub, and second balance element is mounted on to the institute of the rotor hub
On the mounting portion for stating the second blade, and first balance element is mounted on to the peace of first blade of the rotor hub
Between dress portion and the mounting portion of the third blade.
According to some embodiments of the present invention, wherein first balance element includes crossbeam and is applied on the crossbeam
Clump weight, wherein the crossbeam extends radially outwardly on the Plane of rotation of the multiple blade from the rotor hub, and
And the clump weight is applied to one end far from the rotor hub of the crossbeam.
According to some embodiments of the present invention, the method also includes following steps: is installed on the rotor hub
One supporting element, and first supporting element is connected to first balance element to provide support to first balance element
Power.
According to some embodiments of the present invention, wherein first balance element is mounted on described in the rotor hub
Between the mounting portion of first blade and the mounting portion of the third blade, and first supporting element is mounted on the rotor
Between the mounting portion of second blade and the mounting portion of the third blade of wheel hub, first supporting element connects via centre
Fitting is connected to first balance element.
According to some embodiments of the present invention, wherein first supporting element, the intermediate connector and described first flat
Weighing apparatus part is arranged to reserve the installation space of the third blade.
According to some embodiments of the present invention, the method also includes following steps: is installed on the rotor hub
Two supporting elements, second supporting element are supported in the direction side for the power of first supporting element applied by first balance element
First supporting element.
According to some embodiments of the present invention, the method also includes following steps: locking by the locking device
After the rotor hub, the locking device is reinforced.
Method according to the present invention for installing the blade of wind-driven generator, can be with single blade mounting means peace
Reduce torque suffered by the locking device for locked rotor wheel hub when filling the blade of wind-driven generator, so as to not need
In the case where the intensity for improving locking device, the risk that locking device is deformed and damaged is reduced.
Embodiment according to the present invention additionally provides a kind of equipment for installing the blade of wind-driven generator, the wind-force
Generator include tower and be arranged in the tower top generating equipment, the generating equipment include rotor hub, use
In the generator for being installed to multiple blades of the rotor hub and connecting with the rotor hub, the equipment includes:
One balance element, can be solid in the first side of the circumferential direction along the rotor hub of the first blade in the multiple blade
Determine onto the rotor hub, to generate the first torque of the rotation center relative to the rotor hub；And second balance
Part can be fixed in the circumferential direction along the rotor hub of first blade second side opposite with first side
Onto the rotor hub, to generate the second torque of the rotation center relative to the rotor hub, wherein second power
Square can be substantially balanced out first torque, wherein first balance element and the second balance element are connected in the rotor hub
It is co-mounted on the rotor hub before to the generator with first blade, and first balance is installed
The rotor hub of part, second balance element and first blade is connected to after the generator by locking device
It is locked as so that first blade is towards predetermined direction, second blade is installed in described the second of first blade
On side, and second balance element is removed before installing second blade and the third blade is installed in
On first side of first blade, and first balance element is protected during the installation of the second blade and third blade
It holds on the rotor hub.
Detailed description of the invention
In the following, by being retouched in conjunction with feature, advantage and technical effect of the attached drawing to the exemplary embodiment of the utility model
It states, similar appended drawing reference indicates similar element in attached drawing, in which:
Fig. 1 schematically shows the overall pattern of wind-driven generator according to an embodiment of the invention；
Fig. 2 schematically shows according to an embodiment of the invention for installing setting for the blade of wind-driven generator
Standby scheme of installation, wherein the equipment is mounted on the rotor hub of wind-driven generator；
Fig. 3 A and 3B respectively illustrate the tool of the first balance element and the second balance element according to an embodiment of the invention
Body structural schematic diagram；
Fig. 4 A show the first supporting element according to an embodiment of the invention specific structure and its with shown in Fig. 3 A
The connection schematic diagram of first balance element of embodiment；
Fig. 4 B shows the first supporting element of Fig. 4 A illustrated embodiment and the first balance element of Fig. 3 A illustrated embodiment is turning
Scheme of installation on sub- wheel hub；
Fig. 5 shows the second supporting element according to an embodiment of the invention suitable for the first supporting element shown in Fig. 4 A
Concrete structure schematic diagram；
Fig. 6 shows the position of the second supporting element and the first supporting element as shown in Figure 4 A and rotor hub as shown in Figure 5
Set relation schematic diagram；
Fig. 7 is schematically shown when the first supporting element according to one embodiment of present invention and the second supporting element are dismantled
Lifting point；And
Fig. 8 schematically shows the bracing means for locking device of one embodiment of the present of invention.
Appended drawing reference
1, wind-driven generator；2, blade；3, rotor hub；31,32,33,4, cabin；5, tower；6, the first balance element；7,
Second balance element；61, crossbeam；63, loading unit；64, fixed part；65, hitch point；66, hitch point；67, lifting rope guide portion；68,
Lifting point；69, lifting point；7, the second balance element；71, interconnecting piece；73, loading unit；8, the first supporting element；81, fixed part；82,
Lifting rope guide portion；83, lifting point；9, lifting rope；10, the second supporting element；101,102, surface；103, fastening part；104,105, method
Blue contact surface；106, hub contacts face；11, bracing means；111, clamping part；112, fixed part；113, preload portion.
Specific embodiment
Hereinafter, embodiment of the invention will be described with reference to drawings.Following detailed description and drawings are for illustratively saying
Bright the principle of the present invention, the present invention is not limited to described preferred embodiment, the scope of the present invention is defined by the claims.
It is related to the method and apparatus of the blade for installing wind-driven generator in the embodiment of the present invention, can reduces
Reduce power suffered by the locking device for locked rotor wheel hub when the blade of wind-driven generator being installed with single blade mounting means
Square.Torque suffered by locking device can be reduced in safe range by this method and equipment, while have no need to change wind-force hair
The structure of motor.
The present invention is described by taking wind-driven generator shown in FIG. 1 as an example.As shown in Figure 1, wind-driven generator 1 includes tower 5
And the generating equipment on tower top is set.Generating equipment generally includes multiple blades 2, for installing turning for multiple blades 2
Sub- wheel hub 3 and the generator being connect with rotor hub 3.Above-mentioned connection includes connected directly or indirectly.For directly driven wind-powered
Unit, rotor hub 3 are the moving axis being directly connected in the shafting of generator, pass through connection for double-fed fan motor unit rotor hub 3
Axis device, gear-box connect generator；Wherein one end of cabin 4 is arranged in rotor hub 3, and above-mentioned generator can be contained in cabin
It inside 4, or is set between rotor hub 3 and cabin 4, as external generator.Wind-driven generator 1 shown in FIG. 1 is specific
Ground includes three blades, and three blades 2 are arranged on same Plane of rotation, and are mounted on rotor wheel with being spaced each other 120 degree
On hub 3.In the following, it is assumed that the Plane of rotation of blade 2 is also used as the Plane of rotation of rotor hub 3.Although with as shown in Figure 1
The present invention is described, but the present invention is not limited to the wind-driven generators of above-mentioned configuration for wind-driven generator.The present invention passes through suitable
Locality modification can be used for the installation of the blade of other suitable wind-driven generators.
Fig. 2 shows according to an embodiment of the invention for installing the installation of the equipment of the blade of wind-driven generator
Schematic diagram, wherein the equipment is mounted on the rotor hub of wind-driven generator.In Fig. 2, appended drawing reference 31,32 and 33 is respectively referred to
Show the mounting portion of the first blade, the second blade and third blade on rotor hub 3.As shown in Fig. 2, the equipment includes first flat
Weigh part 6 and the second balance element 7.First balance element 6 be shown as the first blade mounting portion 31 along 3 circumferential direction side of rotor hub
To the first side be fixed to rotor hub 3 on, with generate relative to rotor hub 3 rotation center the first torque M1.Second
Balance element 7 is shown as second side opposite with the first side along 3 circumferential direction of rotor hub in the mounting portion 31 of the first blade
Fixed to the second torque M on rotor hub 3, with generation relative to the rotation center of rotor hub 32, wherein the second torque M2
The first torque M can be substantially balanced out1。
Fig. 3 A and 3B respectively illustrate the tool of the first balance element and the second balance element according to an embodiment of the invention
Body structural schematic diagram.The first balance element 6 shown in Fig. 3 A includes crossbeam 61, the clump weight (not shown) being applied on crossbeam
And the fixed part 64 for the first balance element 6 to be fixedly attached to rotor hub 3.The crossbeam 61 of first balance element 6 is conducive to
First balance element 6 extends radially outwardly the end beyond blades adjacent 2 on the Plane of rotation of multiple blades 2 from rotor hub 3,
In order to the disassembly of the first balance element 6.Clump weight is optionally applied to the end opposite with fixed part 64 of crossbeam 61, such as with
Pouring weight can be applied on crossbeam 61 at diagram loading unit 63.In this way, the first balance element 6 can be enabled with identical counterweight
Block weight generates maximum torque relative to rotor hub 3, while being conducive to avoid the disassembly that blade carries out clump weight.In addition,
By adjusting the weight of clump weight, equipment is applicable to blade and locking device of different size etc..Fixed part 64 can pass through
It is bolted, the mode that pin connection etc. is suitable is fixedly attached on rotor hub 3.
The second balance element 7 shown in Fig. 3 B includes interconnecting piece 71 and clump weight (not shown), wherein the second balance element 7
It is fixedly attached on rotor hub 3 by interconnecting piece 71, and torque is mainly generated by clump weight.Interconnecting piece 71 is optionally
It can be formed to the structure being cooperatively connected with the mounting portion 32 of the second blade of rotor hub 3.For example, rotor hub 3
The mounting portion 32 of second blade can be formed as Flange-shaped Parts, and the interconnecting piece 71 of the second balance element 7 is correspondingly formed as can be with this
The shape that flange is cooperatively connected.Clump weight can be for example applied on the diagram loading unit 73 of the second balance element 7.Similarly, match
The weight of pouring weight also can be adjusted, so that equipment is suitable for blade and locking device of different size etc..
Although describing the concrete structure schematic diagram of the first balance element 6 and the second balance element 7 according to Fig. 3 A and Fig. 3 B,
The first balance element and the second balance element of embodiment according to the present invention are not limited to structure shown in Fig. 3 A and 3B, and the two can also
To use other suitable structures.
The leaf that wind-driven generator is installed using the equipment of embodiment according to the present invention is described next, with reference to Fig. 1-3
The method of piece.That specific step is as follows is described for method.It should be noted that according to some embodiments of the present invention, with this hair
Before bright method installation blade, the cabin and generator of wind-driven generator have been mounted to the top of tower.
Firstly, the first blade, the first balance element 6 and the second balance element 7 are fixed on rotor hub.It can be on the ground
Complete the installation steps.Specifically, the first balance element 6 and the second balance element 7 be separately mounted to the first blade along rotor hub 3
The first opposite side of circumferential direction and second side, and the two relative to rotor hub 3 rotation center generate torque substantially
It cancels out each other.For the first balance element 6 and the second balance element 7 shown in Fig. 3 A and 3B, the two can be arranged to as follows: second
Balance element 7 is fixed to the mounting portion 32 for the second blade of rotor hub 3, and the first balance element 6 is fixed to along rotor wheel
At position between 3 circumferential direction of hub, the mounting portion 31 for the first blade and the mounting portion 33 for third blade.In this way
In the state of, the first balance element 6 be arranged so that its crossbeam 61 on the Plane of rotation of blade 2 from rotor hub 3 radially outward
Extend, and clump weight is arranged in the end of the separate rotor hub 3 of crossbeam 61.With such arrangement, due to the first balance element 6
The torque generated with the second balance element 7 relative to the rotation center of rotor hub 3 can substantially cancel out each other, and will be equipped with the
The rotor hub 3 of one blade, the first balance element 6 and the second balance element 7 be lifted up (such as keep the first blade straight down
In the state of) to wind-driven generator 1 tower 5 top end when, the first balance element 6 and the second balance element 7 will not cause rotor
The unnecessary deflection of the assembly of wheel hub 3.One or more cranes can be used to promote the assembly, also can be used
Other known tool promotes the assembly.
Then, the rotor hub 3 for being equipped with the first blade, the first balance element 6 and the second balance element 7 is connected to power generation
Machine, and using locking device come the rotation of locked rotor wheel hub 3 makes the first blade towards predetermined direction, wherein predetermined direction
It is the direction it is expected the first blade when installing the second blade and/or third blade and being kept on the Plane of rotation of blade.It is optional
Ground, rotor hub 3, which is locked in, makes the position of the first blade downwards.In this state, due to the first balance element 6 and
Two balance elements 7 can substantially cancel out each other relative to the torque that the rotation center of rotor hub 3 generates, and the vertical court of the first blade
Lower placement, the torque that locking device is born are minimum.Moreover, if first blade is downwards when promoting rotor hub 3,
No longer need to make rotor hub 3 to rotate before locked rotor wheel hub 3, but can directly locked rotor wheel hub 3 carry out it is subsequent
Installation steps, can simplify blade installation operation.In addition, rotor hub 3, which is locked in, makes the first blade downwards
Position means will be to install the second blade and third blade in 30 degree of angle with horizontal direction in further installation procedures.
But the present invention is not limited to be locked in rotor hub 3 to make the position of the first blade downwards.According to the present invention
Some embodiments, rotor hub 3 can also be locked in makes the first blade towards at the position in other directions.For example, can also
After rotor hub 3 is connected to generator rotate, rotor hub 3 and be locked in suitable position (for example, the first blade
Deviate 30 degree relative to direction downwards), in order to install the second blade in the horizontal direction.Also, the second leaf is being installed
After piece, rotor hub 3 can be rotated again and is locked it at suitable position, in order to install third in the horizontal direction
Blade.Such mode is conducive to simplify the promotion operation of the second blade and third blade.Certainly, due to the second blade and third
Blade in the horizontal direction when the torque that generates relative to rotor hub 3 it is maximum, and when installing the second blade or third blade,
Other blades can be opposite
Opposite torque is generated in rotor hub 3, therefore the influence factor of the torque of locking device receiving is changed.It needs
Suitably to consider these because usually select torque intensity.
Later, the second balance element 7 is removed and in the first blade from rotor hub 3 along 3 circumferential direction of rotor hub
Second side install the second blade.After the second balance element 7 is removed and before the second blade is installed, rotor hub 3
It will be subjected only to the first torque M of rotation center generation of first balance element 6 relative to rotor hub 31.Here, the first balance element 6
It is arranged to the first torque M of its generation1It is generated less than the second blade or third blade relative to the rotation center of rotor hub
Torque, and be less than the maximum moment that is able to bear of locking device.In addition, the second blade is installed to rotor hub 3
After mounting portion 32, torque M of second blade relative to the rotation center generation of rotor hub 322It can be produced by the first balance element 6
The first raw torque M1Partial offset.First balance element 6 can be suitably set, so that the torque M generated in the second blade22Quilt
It is less than the maximum moment that locking device is able to bear after partial offset.As a result, during the installation of the second blade, and without using the
One balance element 6 and the second balance element 7 and the case where being mounted directly the second blade, is compared, the torque that locking device is born is reduced.
Therefore, the risk of locking device deformation and damage can be reduced in the case where not needing to improve the intensity of locking device.
It after the second blade is installed, can continue that third blade is installed.Third blade is installed to pair of rotor hub 3
It answers on mounting portion 33.During installing third blade, the first balance element 6 is maintained on rotor hub 3, with the second leaf of partial offset
The torque M that piece generates22, make the torque M of the second blade generation22It is less than the maximum moment that locking device is able to bear after being cancelled.
In addition, after third blade is installed, torque M of the third blade relative to the rotation center generation of rotor hub 323It can be with
The torque M generated with the second blade22It can cancel out each other, and the first torque M that the first balance element 6 individually generates1Less than lock
Determine the maximum moment that device is able to bear, therefore in the state that third blade is installed, is equipped with first on rotor hub 3
Balance element 6 will not damage locking device.
After being installed of third blade, the first balance element 6 is removed from rotor hub 3.Lifting can be passed through
First balance element 6 is gradually dropped to ground by machine.For example, can use the first balance element for the first balance element 6 shown in Fig. 3 A
The first balance element 6 is lifted by crane by two hitch points 65 and 66 of two close end on 6.For the first balance element 6 of other structures form,
Ground can be dropped to by the way of being suitble to according to the prior art.
The device and method of the blade of installation wind-driven generator as described above as a result, can reduce in single blade
The torque that locking device during installation for locked rotor wheel hub is subject to, so as to not need to improve the strong of locking device
In the case where degree, the risk that locking device is deformed and damaged is reduced.Moreover, being installed using device and method of the invention
Blade substantially haves no need to change the structure of existing wind-driven generator, will not increase additional weight to wind-driven generator, because
This is suitable for the installation of the blade of various different configuration of wind-driven generators.
The foregoing describe the device and method of the blade of installation wind-driven generator according to some embodiments of the present invention.Under
Face, by the device and method of description according to other embodiments of the invention.
An other embodiments according to the present invention, the equipment of the blade for installing wind-driven generator can also include the
One supporting element.First supporting element is capable of fixing on rotor hub and connect with the first balance element, to the first balance element
Support force is provided.
Fig. 4 A show the first supporting element according to an embodiment of the invention specific structure and its with shown in Fig. 3 A
The connection schematic diagram of first balance element of embodiment, and Fig. 4 B shows the first supporting element and Fig. 3 A of Fig. 4 A illustrated embodiment
Scheme of installation of first balance element of illustrated embodiment on rotor hub.As shown in Figure 4 A, the first supporting element 8 includes fixing
Portion 81, the first supporting element 8 are fixed on rotor hub 3 via the fixed part 81.Fixed part 81 can be bolted, sell company
It the suitable mode such as connects to be connected on rotor hub 3.In addition, as shown in Figure 4 A, the first supporting element 8 can be connected via lifting rope 9
To the first balance element 6 of embodiment as shown in Figure 3A.Specifically, the first supporting element 8 is provided with lifting rope guide portion 82, and first
Balance element 6 is provided with lifting rope guide portion 67.To be connected to the first supporting element 8 and first flat by lifting rope guide portion 82 and 67 for lifting rope 9
Between weighing apparatus part 6.When the first supporting element 8 and the first balance element 6 are installed on rotor hub 3, as shown in Figure 4 B, the first supporting element
8 may be mounted between the mounting portion 32 of 3 the second blade of circumferential direction of rotor hub and the mounting portion 33 of third blade, and
First balance element 6 is fixed to rotor hub 3 in the first side of the circumferential direction along rotor hub 3 of the mounting portion 31 of the first blade
On.The first supporting element 8 can provide support force to the first balance element 6 via lifting rope 9 as a result,.Also, the first supporting element 8, lifting rope
9 and first balance element 6 be arranged as the installation of third blade and reserved space, and will not be sent out with the latter during installation or removal
Raw interference.The setting of first supporting element is especially advantageous when being equipped with clump weight on the first balance element 6, can be first flat
Weighing apparatus part 6 provides additional strength support, prevents from deforming and being broken etc. in the first balance element 6 dangerous.
First support configuration shown in Fig. 4 A is not contact when in use with the first balance element, but connect via centre
Part is connect with the first balance element.But according to other embodiments of the invention, the first supporting element can also be arranged to it is first flat
Connection is between weighing apparatus part to provide support to the first balance element.Therefore, the structure of the first supporting element is not limited to structure shown in Fig. 4 A,
And the installation site of the first supporting element is also not necessarily limited to installation site shown in Fig. 4 B.For example, the first supporting element can be set to
Pull rod, the one end are fixed to rotor hub and one end of separate rotor hub of the other end fixed to the first balance element.The pull rod
Rotor hub can be fixed to along the third blade side of the circumferential direction of rotor hub in the first balance element.
In addition, according to still another embodiment of the invention, being used to install wind-force hair including the first supporting element as described above
The equipment of the blade of motor can also include that the second supporting element of additional strength support is provided to the first supporting element.In installation shape
Under state, the second supporting element is arranged in the direction side for the power of the first supporting element applied by the first balance element, with the first support of support
Part.Fig. 5 shows the tool of the second supporting element according to an embodiment of the invention suitable for the first supporting element shown in Fig. 4 A
Body structural schematic diagram, and Fig. 6 shows the first supporting element and rotor hub shown in the second supporting element and Fig. 4 A as shown in Figure 5
Positional diagram.As shown in figure 5, the second supporting element 10 includes the surface 101 and 102 being in contact with the first supporting element 8,
Surface 101 and 102 is contacted in the direction side for the power of the first supporting element 8 applied by the first balance element with the first supporting element 8.Second
Supporting element 10 further includes fastening part 103, and the second supporting element 10 is fastened in the main body of rotor hub 3 via fastening part 103.This
Outside, the second supporting element 10 further includes flange contact facings 104 and 105 and hub contacts face 106.Flange contact facings 104 and 105 supports
On the flange for leaning against rotor hub 3, and hub contacts face 106 is resisted against on the surface of the main body of rotor hub 3 (such as Fig. 6 institute
Show).Wherein, which can be a part of the mounting portion for third blade of rotor hub 3.Based on such structure,
Second supporting element 10 can provide strength support to the first supporting element 8 by means of the structure of itself and rotor hub, with further
Ensure the first supporting element 8 to the strength support of the first balance element 6, prevents from occurring in the case where 6 intensity of the first balance element is inadequate
The danger such as deformation and fracture.It is of the invention although describing the specific structure of the second supporting element above with reference to Fig. 5 and Fig. 6
Second supporting element is not limited to the above structure, but can also use other suitable structures.Also, the structure of the second supporting element can
To be adaptively adjusted according to the specific structure and installation site of the first supporting element.
Using including the first supporting element or setting including the first supporting element and the second supporting element in embodiment as described above
The standby method to install the blade of wind-driven generator, with it is aforementioned do not include additional support in the case where method compared with, also wrap
It includes following steps: the first supporting element is installed on rotor hub, and be connected to the first balance element to mention to the first balance element
For support force.Specifically, the first supporting element can be connect via intermediate connector with the first balance element.It further include second in equipment
In the case where supporting element, this method further includes that the second supporting element is connected on rotor hub, so that the second supporting element is first
The direction side for the power of supporting element applied by first balance element supports first supporting element.In this way it can be ensured that being the
One balance element 6 provides additional strength support, prevents the first balance element from the dangerous situations such as deforming and being broken.Preferably, exist
When first blade, the first balance element and the second balance element are installed to rotor hub, the first supporting element or the first support are installed
The combination of part and the second supporting element (and intermediate connector).
As described above, the first balance element 6 is removed from rotor hub 3 after third blade is installed.Accordingly
Ground includes the first supporting element or equipment including the first supporting element and the second supporting element in using embodiment as described above come
The method for installing the blade of wind-driven generator, it is further comprising the steps of: after third blade is installed, by the first balance element
6, the first supporting element 8, intermediate support and the second supporting element 10 (the two is if it exists) are removed.With Fig. 4 A and Fig. 4 B illustrated embodiment
The first supporting element 8 and Fig. 5 and the second supporting element 10 of embodiment illustrated in fig. 6 for demolishing process is described.Specifically, may be used
It, then can be by the first balance element 6, the first supporting element 8 and lifting rope 9 first to remove the second supporting element 10 and be dropped to ground
Ground is dropped to together.The first balance element 6, the first supporting element 8 and the lifting rope 9 of Fig. 4 A illustrated embodiment can drop to ground as follows
Face: lifting point 68 is set in the end of the separate fixed part 64 of the first balance element 6, and is arranged close to 64 side of fixed part
Suspension centre 69, and lifting point 83 (as shown in Figure 7) is set on the first supporting element 8；Lifting point is promoted using the first hoisting tool
68, and lifting point 69 and 83 is promoted simultaneously with the second hoisting tool, the first hoisting tool and the second hoisting tool cooperate
First balance element 6, the first supporting element 8 and lifting rope 9 are dropped to ground by ground together.Certainly, the first balance element 6,8 and of the first supporting element
The disassembly of lifting rope 9 is not limited to upper type, each can also individually drop to ground.
The foregoing describe the equipment of the blade for installing wind-driven generator of preferred embodiment in accordance with the present invention.According to
The other embodiment of the present invention can also include bracing means for installing the equipment of blade of wind-driven generator, be used for pair
Locking device for locked rotor wheel hub 3 is reinforced.The torque that the bracing means is born by sharing locking device, reduces
The risk that locking device is deformed and damaged.Fig. 8 shows the structure of bracing means according to an embodiment of the invention
Schematic diagram.As shown in figure 8, bracing means 11 can be used for the clamping part 111 of the first component of locking device and for locking dress
The fixed part 112 for the second component set.For example, the first component of locking device can be locking pin, bracing means 11 can lead to
Clamping part 111 is crossed to be clamped on locking pin.The second component of locking device for example can be the drive shaft of rotor hub 3, reinforce
Device 11 can be fixed in the drive shaft of rotor hub 3 via fixed part 112.In addition, bracing means 11 can also include pre-
Tight portion 113 etc..In addition, bracing means is not limited to structure shown in Fig. 8, other suitable structures can also be used.Bracing means
Specific structure can be adjusted according to the structure adaptability of variable locking device.By having to locking device equipment bracing means
Help improve the ability that locking device bears load.
Corresponding to the equipment of the above-mentioned blade for installing wind-driven generator including bracing means, reality according to the present invention
The method for applying the blade for installing wind-driven generator of example can be the following steps are included: passing through locking device for rotor wheel
After hub locking, locking device is reinforced.By being reinforced to locking device, locking device can be improved and bear load
Ability.
In addition, being installed on the ground in the description of above-described embodiment for installing the equipment of blade of wind-driven generator
To rotor hub.But the invention is not limited thereto, it can also be in rotor hub for installing the equipment of blade of wind-driven generator
Generator is connected to install again later.
While the invention has been described with reference to exemplary embodiments thereof, however, it is understood that the present invention is not limited to above-mentioned realities
Apply the construction and method of example.On the contrary, it is intended to cover various modifications example and equivalent arrangements.In addition, although in various examples
Property combination and construction in show the various elements and method and step of disclosed invention, but including more, less element
Or other combinations of method are also fallen within the scope of the present invention.
Claims (20)
1. a kind of method for installing the blade of wind-driven generator, the wind-driven generator includes tower and is arranged in described
The generating equipment on the top of tower, the generating equipment include rotor hub, multiple leaves for installation into the rotor hub
Piece and the generator being connect with the rotor hub, which is characterized in that the described method comprises the following steps:
The first blade, the first balance element and the second balance element in the multiple blade is installed on the rotor hub,
It is middle that first balance element and second balance element are separately mounted to the circumferential along the rotor hub of first blade
The first opposite side of direction and second side, so that first balance element and second balance element are relative to the rotor wheel
The torque that the rotation center of hub generates substantially is cancelled out each other, and second balance element is mounted on described the of the rotor hub
On the mounting portion of two blades, and by first balance element be mounted on it is circumferential along the rotor hub, be used to install described the
At position between the mounting portion of one blade and mounting portion for installing the third blade；
The rotor hub for being equipped with first blade, first balance element and second balance element is connected to institute
Generator is stated, and the rotor hub locked by locking device so that first blade is towards predetermined direction；
Second balance element is removed from the rotor hub and in described second side of first blade installation the
Two blades；And
Third blade is installed in first side of first blade,
Wherein, during second blade and the third blade are installed, first balance element is maintained at the rotor
On wheel hub.
2. the method according to claim 1, wherein
By the locking device lock the rotor hub so that first blade downwards.
3. according to the method described in claim 2, it is characterized in that,
Make first balance element relative to the rotor hub rotation center generate torque be less than second blade or
The torque that third blade described in person is generated relative to the rotation center of the rotor hub, and being less than the locking device can
The maximum moment of receiving.
4. according to the method described in claim 3, it is characterized in that,
The torque for generating first balance element relative to the rotation center of the rotor hub offsets the second blade phase
For a part for the torque that the rotation center of the rotor hub generates, and make torque quilt caused by second blade
It is less than the maximum moment that the locking device is able to bear after partial offset.
5. the method according to claim 1, wherein
First balance element includes crossbeam and the clump weight that is applied on the crossbeam, wherein the crossbeam is in the multiple leaf
It extends radially outwardly on the Plane of rotation of piece from the rotor hub, and the clump weight is applied to the separate institute of the crossbeam
State one end of rotor hub.
6. according to the method described in claim 4, it is characterized in that, further comprising the steps of:
First supporting element is installed on the rotor hub, and by first supporting element be connected to first balance element with
Support force is provided to first balance element.
7. according to the method described in claim 6, it is characterized in that,
By first balance element be mounted on first blade of the rotor hub mounting portion and the third blade
Between mounting portion, and first supporting element is mounted on the mounting portion of second blade of the rotor hub and described
Between the mounting portion of third blade, first supporting element is connected to first balance element via intermediate connector.
8. the method according to the description of claim 7 is characterized in that
First supporting element, the intermediate connector and first balance element are arranged to reserve the installation of the third blade
Space.
9. according to the method described in claim 6, it is characterized in that, further comprising the steps of:
Second supporting element is installed on the rotor hub, second supporting element is in first supporting element by described first
The direction side for the power that balance element applies supports first supporting element.
10. method according to claim 1 to 9, which is characterized in that further comprising the steps of:
After locking the rotor hub by the locking device, the locking device is reinforced.
11. a kind of equipment for installing the blade of wind-driven generator, the wind-driven generator includes tower and is arranged in institute
The generating equipment on the top of tower is stated, the generating equipment includes rotor hub, for installation into the multiple of the rotor hub
Blade and the generator being connect with the rotor hub, which is characterized in that the equipment includes:
First balance element, can be the of the circumferential direction along the rotor hub of the first blade in the multiple blade
Side is fixed on the rotor hub, to generate the first torque of the rotation center relative to the rotor hub；And
Second balance element, can first blade the circumferential direction along the rotor hub it is opposite with first side
Second side be fixed to the rotor hub on, with generate relative to the rotor hub rotation center the second torque,
Described in the second torque can be substantially balanced out first torque,
Wherein, first balance element and the second balance element are before the rotor hub is connected to the generator with described
One blade is co-mounted on the rotor hub, and is equipped with first balance element, second balance element and described
The rotor hub of first blade is locked as by locking device after being connected to the generator so that first blade
Towards predetermined direction, second balance element includes that can cooperate to connect with the mounting portion of second blade of the rotor hub
The interconnecting piece connect, and first balance element can be mounted on mounting portion and the institute of first blade of the rotor hub
Between the mounting portion for stating the second blade；
Second blade is installed in described second side of first blade, and second balance element is installing described the
It is removed before two blades, and
Third blade is installed on first side of first blade, and first balance element in the second blade and
It is maintained at during the installation of third blade on the rotor hub.
12. equipment according to claim 11, which is characterized in that
The rotor hub be locked into so that first blade downwards.
13. equipment according to claim 12, which is characterized in that
First torque is less than second blade or the third blade and produces relative to the rotation center of the rotor hub
Raw torque, and it is less than the maximum moment that the locking device is able to bear.
14. equipment according to claim 13, which is characterized in that
First torque offsets one of the torque that second blade is generated relative to the rotation center of the rotor hub
Point, and torque caused by second blade be partially offset after be less than the maximum, force that is able to bear of the locking device
Square.
15. equipment according to claim 11, which is characterized in that
First balance element includes crossbeam and the clump weight that is applied on the crossbeam, wherein the crossbeam is in the multiple leaf
It extends radially outwardly on the Plane of rotation of piece from the rotor hub, and the clump weight is applied to the separate institute of the crossbeam
State one end of rotor hub.
16. equipment according to claim 14, which is characterized in that further include:
First supporting element, first supporting element be mountable to the rotor hub and be connected to first balance element with
Support force is provided to first balance element.
17. equipment according to claim 16, which is characterized in that
First balance element can be mounted on the mounting portion and second blade of first blade of the rotor hub
Mounting portion between, and first supporting element can be mounted on second blade of the rotor hub mounting portion and
Between the mounting portion of the third blade, wherein first supporting element is connected to first balance via intermediate connector
Part.
18. equipment according to claim 17, which is characterized in that
First supporting element, the intermediate connector and first balance element are arranged to reserve the installation of the third blade
Space.
19. equipment according to claim 16, which is characterized in that further include:
Second supporting element, in the direction side support for the power that first supporting element is applied by first balance element described the
One supporting element.
20. equipment described in any one of 1-19 according to claim 1, which is characterized in that further include:
Bracing means is used to reinforce locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049519.2A CN106801660B (en) | 2017-01-23 | 2017-01-23 | For installing the method and apparatus of the blade of wind-driven generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049519.2A CN106801660B (en) | 2017-01-23 | 2017-01-23 | For installing the method and apparatus of the blade of wind-driven generator |
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| Publication Number | Publication Date |
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| CN106801660A CN106801660A (en) | 2017-06-06 |
| CN106801660B true CN106801660B (en) | 2019-01-04 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109340056A (en) * | 2018-12-03 | 2019-02-15 | 三重能有限公司 | Blower wind wheel hanging method |
| CN111410125B (en) * | 2020-02-28 | 2021-11-05 | 上海电气风电集团股份有限公司 | Wind driven generator and lifting method of blades thereof |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818004A (en) * | 1987-11-16 | 1989-04-04 | Mcdonnell Douglas Corporation | Rotor blade sling |
| ES2387331T3 (en) * | 2007-04-30 | 2012-09-20 | Vestas Wind Systems A/S | Mounting device |
| EP2345811B1 (en) * | 2010-01-14 | 2012-10-03 | Siemens Aktiengesellschaft | Clamp for clamping a blade for a wind turbine and method of installing wind turbine blades |
| ES2636289T3 (en) * | 2012-11-30 | 2017-10-05 | Areva Wind Gmbh | Elevator to manipulate a rotor blade of a wind turbine and its operating procedure |
| CN103072886B (en) * | 2012-12-28 | 2015-01-14 | 北京金风科创风电设备有限公司 | Blade lifting appliance for wind power generation motor unit and impeller lifting method |
| EP2832675B1 (en) * | 2013-07-29 | 2018-07-04 | Siemens Aktiengesellschaft | Blade gripping device |
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