CN106907300A - Impeller rotating device, wind generating set and impeller mounting method - Google Patents
Impeller rotating device, wind generating set and impeller mounting method Download PDFInfo
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- CN106907300A CN106907300A CN201710325101.XA CN201710325101A CN106907300A CN 106907300 A CN106907300 A CN 106907300A CN 201710325101 A CN201710325101 A CN 201710325101A CN 106907300 A CN106907300 A CN 106907300A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000010339 dilation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000010959 steel Substances 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2230/00—Manufacture
- F05B2230/60—Assembly methods
-
- 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 invention provides an impeller rotating device, a wind generating set and an impeller mounting method, wherein the impeller rotating device is used for the wind generating set, the wind generating set comprises a generator and a hub, the generator comprises a rotor, and the impeller rotating device comprises: the first end of the rotating arm is used for being pivotally mounted on a fixed structure of the wind generating set; a first linear telescopic arm, a first end of the first linear telescopic arm is pivotally connected to a second end of the rotating arm, and a second end of the first linear telescopic arm is used for being pivotally mounted on the rotor; the first end of second linear telescopic arm pivotally connects to the rotor arm, and the second end of second linear telescopic arm is used for being connected to fixed knot and constructs on, and first linear telescopic arm and second linear telescopic arm can the linear telescope. The rotating device provided by the embodiment of the invention has the advantages of simple structure, convenience in installation, easiness in control and good safety.
Description
Technical field
The present invention relates to wind power generation field, more particularly to a kind of wheel rotation device, including the wheel rotation device
Wind power generating set and the method that blade is installed using the wheel rotation device.
Background technology
Direct-drive type wind engine unit is due to possessing that low efficiency high, noise, long lifespan, unit volume be small, operation maintenance into
This low plurality of advantages and be widely used.
Figures 1 and 2 show that the structural representation of the direct-drive aerogenerator group according to prior art, Fig. 3 shows
The structural representation of generator.As depicted in figs. 1 and 2, direct-drive aerogenerator group mainly includes basis 2, pylon 3, impeller
4th, generator 5 and cabin 6 are constituted.Impeller 4 generally may include wheel hub 40 and three blades 41,42 and 43.As shown in Fig. 2 hair
Motor 5 includes rotor 51 and stator 52.Rotor 51 links together with impeller 4, can the axis of together relative rotor 51 rotate, it is fixed
Son 52 is fixedly connected with the base of cabin 6, it is impossible to which the axis of relative rotor 51 is rotated.When wind power generating set is installed at the scene,
Generally first pylon 3 is lifted on basis 2, then cabin 6 is lifted to pylon 3, then generator 5 is lifted to cabin 6
Adpting flange at, the impeller 4 that will finally be assembled on ground is lifted to the adpting flange of generator 5.
As wind-power market south develops, limited by surrounding physical features, vegetation and working area, impeller is assembled on ground
4 is more and more difficult.A kind of currently used effective method is single blade hanging method.Single blade hanging method is main
There is two ways, one kind is horizontal single blade lifting, and one kind is to incline single blade lifting.
When being lifted using horizontal single blade, wheel hub 40 is lifted to the adpting flange of generator first, with generator
Rotor is fixedly connected, and the first blade is installed on wheel hub 40 with horizontality；Then by turning in wind power generating set
Dynamic device, makes wheel hub 40 rotate 120 degree, and the second blade is installed on wheel hub 40 with horizontality；Pass through wind-power electricity generation afterwards
Tumbler in unit, makes wheel hub 40 rotate 120 degree again, installs third blade.In the process, rotated in wheel hub 40 pre-
When determining angle preparation installation blade, impeller 4 need to be in the lock state, i.e. be inserted by the stop pin 53 for making to be arranged on stator 52
Enter the relative rotation come between locked rotor 51 and stator 52 in the lock pin holes 531 of rotor 51；When tumbler will be used
During rotating wheel hub 40, stop pin 53 is exited from lock pin holes 531, releases the locking between rotor 51 and stator 52.This blade
Installation method has the advantage that：Because blade is installed with horizontality, therefore very safe；Lamellar hanger is wanted
Ask low, Lamellar hanger there can be simple design.However, when being lifted using horizontal single blade, it is necessary to wind power generating set has
Standby rotating function, the tumbler of the direct-drive aerogenerator group being currently known generally needs to make wheel hub 40 rotate 360 degree, deposits
Controlling complicated and relatively costly problem.
During using inclining single blade lifting, the assembly of the first blade and wheel hub 40 is installed to the company of generator 5 first
On acting flange；Then the second blade and third blade are installed on wheel hub 40 in a slanted state respectively.In whole installation process
In, impeller 4 is constantly in lock-out state, i.e. the stop pin 53 of stator 52 is inserted into the lock pin holes 531 of rotor 51 always,
Relative rotation between rotor 51 and stator 52 is locked.This blade mounting means does not need wind power generating set to possess rotation
Function, but Lamellar hanger is more complicated, additionally, due to being installed in the state of blade lean, therefore security is poor.
The content of the invention
It is an object of the invention to provide the good wheel rotation of a kind of simple structure, easy for installation, easily controllable and security
Device, the wind power generating set including the wheel rotation device and the method that impeller is installed using the wheel rotation device.
According to an aspect of the present invention, there is provided a kind of wheel rotation device for wind power generating set, the wind-force hair
Group of motors may include generator and wheel hub, and the generator may include rotor, wherein, the wheel rotation device may include：Turn
Swing arm, the first end of the cursor is used to be pivotally mounted to the fixed structure of the wind power generating set；First Line
Property telescopic arm, the first end of the first linear telescopic arm is pivotably connected to the second end of the cursor, and described first is linear
Second end of telescopic arm is used to be pivotally mounted to the rotor；Second linear extendible arm, the second linear extendible arm
First end is pivotably connected to the cursor, and the second end of the second linear extendible arm is used to be connected to the fixed knot
On structure, wherein, the first linear telescopic arm and the second linear extendible arm being capable of linear extendibles.
The wheel rotation device may also include bearing, the first end of the cursor and the second linear extendible arm
Second end can be arranged on the bearing.
The first linear telescopic arm and the second linear extendible arm may each comprise at least one exportable linear motion
Linear actuator.
The linear actuator can be hydraulic linear motion actuators, electric linear motion actuators or pneumatic linear fortune
Dynamic actuator.
The first end of the second linear extendible arm can be spaced a predetermined distance from the first end of the first linear telescopic arm.
Second end of the first linear telescopic arm is settable connecting pin.
According to another aspect of the present invention, there is provided a kind of side that impeller is installed using wheel rotation device as described above
Method, wherein, the second end of the first end of the cursor of the wheel rotation device and the second linear extendible arm is pivotably connected
On the fixed structure of wind power generating set, the second end of the first linear telescopic arm is pivotably coupled to the rotor of generator
On, methods described may include：Step (a), under locked rotor state, the wheel hub that will be assembled and the first leaf blade hanging extremely generate electricity
Machine, and make the first blade down；Step (b), discharges locking to rotor, extends the second linear extendible arm, makes wheel hub along the
One direction rotates to the first installation site, and locked rotor；Step (c), installs the second blade；Step (d), discharges to rotor
Locking, makes the second linear extendible arm retract, and the initial position in making wheel hub be back to step (a) then makes the first linear extendible
Arm extends, so that wheel hub is rotated to the second installation site along the second direction opposite with first direction, and makes locked rotor；Step
E (), installs third blade.
In step (a), first blade can be attached to generator with state straight down, in step (c),
Second blade can be attached to the wheel hub with horizontality, and in step (e), the third blade can be with horizontal
State is attached to the wheel hub.
In step (b), the wheel hub can be rotated in a first direction 30 degree, in step (d), linearly be stretched described second
After contracting arm returns to initial position after retracting, make the wheel hub can be along with first under the elongation effect of the described first linear telescopic arm
Second direction in opposite direction rotates 30 degree.
According to another aspect of the present invention, there is provided a kind of wind power generating set, the wind power generating set may include to generate electricity
Machine and wheel rotation device as described above, the first end of the cursor of the wheel rotation device and the second linear extendible arm
The second end be pivotably coupled on the fixed structure of wind power generating set, the second end of the first linear telescopic arm is pivotly
It is connected on the rotor of generator.
The pin-and-hole for connecting the described first linear telescopic arm can be provided with the periphery of the rotor of the generator.
Exemplary embodiment of the invention, the single blade of wind power generating set is realized by using wheel rotation device
Lifting, solves the problems, such as the special seat in the plane impeller installation difficulty such as mountain region, forest.
In addition, tumbler simple structure, easy for installation, easily controllable and security according to an embodiment of the invention
It is good.
Brief description of the drawings
Fig. 1 is the structural representation of the wind power generating set according to prior art；
Fig. 2 is the enlarged drawing of the part A in Fig. 1；
Fig. 3 is the structural representation of the generator according to prior art；
Fig. 4 is the structural representation of tumbler according to an embodiment of the invention；
Fig. 5 is the structural representation of generator according to an embodiment of the invention；
Fig. 6 is the installment state schematic diagram of tumbler according to an embodiment of the invention；
Fig. 7 is the enlarged drawing of the part B in Fig. 6；
Fig. 8-Figure 12 is the process schematic that impeller is installed using tumbler according to an embodiment of the invention.
Specific embodiment
Embodiments of the invention are specifically described below in conjunction with accompanying drawing.
Fig. 4 is the structural representation of tumbler according to an embodiment of the invention；Fig. 5 is according to an embodiment of the invention
The structural representation of generator；Fig. 6 is the installment state schematic diagram of tumbler according to an embodiment of the invention；Fig. 7 is Fig. 6
In part B enlarged drawing.
The structure of tumbler 1 according to an embodiment of the invention is described and its installed in wind-force referring to Fig. 4 to Fig. 7
State in the cabin 6 of generating set.
The wheel rotation device 1 of exemplary embodiment of the invention is used to carry out the installation of impeller, specifically, impeller
Tumbler 1 is arranged on the fixed structure of wind power generating set, and is connected with the rotor 51 of the generator 5 of wind power generating set
Connect, so that rotor 51 rotates, and drive the rotation predetermined angular of wheel hub 40 being connected with rotor 51 such that it is able to desired angle
Blade is installed.
As shown in figure 4, the wheel rotation device 1 according to embodiment may include：Cursor 13, the first end of cursor 13 can
It is pivotally connected on the fixed structure of wind power generating set；First linear telescopic arm 11, its first end is pivotably connected to
Second end of cursor 13, the second end of the first linear telescopic arm 11 is used to be releasably attached to the rotor 51 of generator 5；The
Bilinear telescopic arm 12, its first end is pivotably connected on cursor 13, and its second end is used to be pivotably connected to wind
On the fixed structure of power generator group.
First linear telescopic arm 11 and the second linear extendible arm 12 being capable of linear extendibles so that the first linear telescopic arm 11
Extend or retract with the second linear extendible arm 12, so that wheel hub 40 rotates in different directions.Wherein, the first end of cursor 13
With the various location of the fixed structure that the second end of the second linear extendible arm 12 is arranged on wind power generating set.Wind-driven generator
The fixed structure of group can be that the axis of the rotor 51 of the relative generators 5 such as the stator 52 of engine room foundation 62, generator 5 can not turn
Dynamic structure.
Wheel rotation device 1 may also include bearing 14, and the second of the first end of cursor 13 and the second linear extendible arm 12
End is pivotably connected on bearing 14 respectively, is installed on the fixed structure of wind power generating set by by bearing 14, will
Wheel rotation device 1 is installed in wind power generating set.Preferably, bearing 14 may be mounted to be formed in the installation of engine room foundation 62
On seat 621.
As shown in figure 4, the second linear extendible arm 12 and cursor 13 are separately mounted to the two ends of bearing 14, and the two is equal
Can be rotated around respective installation site.The first end of the second linear extendible arm 12 is arranged on cursor 13, is preferably installed
At the position different from the position of the first end of the first linear telescopic arm 11, i.e. the first end peace of the second linear extendible arm 12
Between the first end of cursor 13 and the second end, and in the case where interference is not caused close proximity to the second of cursor 13
End.
First linear telescopic arm 11 can be the actuator of exportable linear motion.Preferably, the first linear telescopic arm 11
Can be hydraulic linear motion actuators.But the not limited to this of the first linear telescopic arm 11, for example, the first linear telescopic arm 11 can also
It is electric linear motion actuators, pneumatic linear motion actuators etc..Additionally, the first linear telescopic arm 11 may include at least one
The actuator of linear motion, it preferably includes two actuators, in order to provide Safety Redundancy for system.
Second linear extendible arm 12 can have and the identical actuator types of the first linear telescopic arm 11 and quantity.That is, with
First linear telescopic arm 11 is similar to, and the second linear extendible arm 12 is preferably hydraulic linear motion actuators, and is preferably wrapped
Include two actuators.
However, the first linear telescopic arm 11 and the second linear extendible arm 12 are not limited to the type and amount of above-mentioned actuator, only
Will the first linear telescopic arm 11 and the second linear extendible arm 12 carry out linear extendible.
As shown in figure 5, the pin-and-hole 501 of the shape such as circular, square, pin-and-hole can be offered on the rotor 51 of generator 5
501 are used to be pivotably connected with the second end of the first of wheel rotation device 1 the linear telescopic arm 11.Linearly stretched for convenience of first
The installation of contracting arm 11, multiple pin-and-holes 501 can be uniformly distributed along the periphery of rotor 51.Correspondingly, the first linear telescopic arm 11
Second end is settable connecting pin 101, for being inserted into pin-and-hole 501.
Fig. 6 and Fig. 7 show the view being arranged on wheel rotation device 1 in the mounting seat 621 in cabin.Such as
Shown in Fig. 6 and Fig. 7, cabin 6 includes engine room foundation 62 and engine room cover 61.Engine room foundation 62 can be fixed on pylon 3, it is possible to phase
Pylon 3 is rotated, i.e. carry out yawing rotation, engine room foundation 62 links together with stator 52 and can be by iron casting or steel plate
It is welded, is that stator 52 provides support.Mounting seat 621 is the mounting platform being formed on engine room foundation 62, for installing leaf
Wheel tumbler 1.Engine room cover 61 is usually glass fiber reinforced plastics product, and can be arranged on engine room foundation 62, so that in cabin 6
Portion's element provides protection.
Before cabin 6 and/or generator 5 are lifted by crane, if individually lifting by crane cabin 6 first, impeller can be turned before lifting
Dynamic device 1 is installed in the mounting seat 621 of cabin 6 by bearing 14, is then lifted by crane in cabin 6 and completed and after installation generator 5,
The first of tumbler 1 linear telescopic arm 11 is connected on the rotor 51 of generator 5 by connecting pin 101, impeller is completed and is turned
The installation of dynamic device 1；If the assembly of lifting cabin 6 and generator 5, can be before lifting by the branch of wheel rotation device 1
Seat 14 is arranged on mounting seat 621 and the first linear telescopic arm 11 is connected into rotor 51, completes the installation of wheel rotation device 1.
In addition, the opening 610 for installing wheel rotation device 1 can be formed with as shown in Figure 6 and Figure 7, in engine room cover 61,
Opening 610 can form variously-shaped, as long as wheel rotation device 1 can be arranged in mounting seat 621.Turn using impeller
After dynamic device 1 completes the installation of blade, wheel rotation device 1 can be disassembled, then be blocked using covering plate (not shown)
The opening 610.Alternatively, wheel rotation device 1 also can be arranged on mounting seat 621 without tearing open as the component of wind power generating set
Unload down.
The structure not limited to this of engine room cover 61, can not form opening in engine room cover 61.In this case, leaf can used
Not fitting machine hatch cover 61 when wheel tumbler 1 installs blade.After completing the installation of blade and dismantling wheel rotation device 1,
Engine room cover 61 is installed again.
Before blade is installed using wheel rotation device 1, wheel rotation device 1 is in original state all the time, i.e. impeller
First linear telescopic arm 11 of tumbler 1 and the second state of the linear extendible arm 12 in not extending.
The process of blade is installed referring to Fig. 8-Figure 12 descriptions by tumbler 1.
The blade 41 of wheel hub 40 and first is assembled on ground first, the blade 41 of wheel hub 40 and first that then will be assembled
On integral hoisting to generator 5.At this moment, down, such as (a) and (b) of Fig. 8 is shown for the first blade 41.In the process, stop pin
53 are inserted into lock pin holes 531, are in the lock state impeller 4.
Next, stop pin 53 is exited from lock pin holes 531, the locking between rotor 51 and stator 52 is released, control the
The length of one linear extendible arm 11 keeps constant, and controls the second linear extendible arm 12 to extend, so that the second linear extendible arm 12
Elongation operation promotes cursor 13 to be rotated with the link position of bearing 14 around it, and then cursor 13 is driven the first linear extendible
Arm 11 is moved.In the process, because the length of the first linear telescopic arm 11 keeps constant, only used as force transferring lever, and
Because the first linear telescopic arm 11 can be rotating around connecting pin 101 and its link position rotation with cursor 13, therefore first
Linear extendible arm 11 can rotor driven 51 rotate.Because rotor 51 is fixedly connected with wheel hub 40, so that wheel hub 40 is rotatable.That is,
When the second linear extendible arm 12 extends, wheel hub 40 rotates.
Referring to (b) of Fig. 9, wheel hub 40 can rotate predetermined angular under the elongation of the second linear extendible arm 12 effect, preferably
Ground, wheel hub 40 rotates 30 degree.After wheel hub 40 rotates 30 degree, the angle between the first blade 41 and pylon 3 is 30 degree, such as Fig. 9
(a) shown in, when watch from the front of impeller 4, the first blade 41 in the counterclockwise direction (first direction) rotation 30 degree, the position
Put the first installation site that can be described as wheel hub 40.Now, impeller 4 is locked again using stop pin 53.
When wheel hub 40 is in the first installation site, the second blade 42 can be installed on wheel hub 40 with horizontality, such as
Shown in Figure 10.
After the second blade 42 is installed, unclamp stop pin 53 and control the second linear extendible arm 12 to be retracted to initial bit
Put, at this moment, the first blade 41 is back to vertical position directed downwardly.Then, the first linear telescopic arm 11 of control extends.Second is linear
The length of telescopic arm 12 keeps constant, fixed triangular structure is constituted with cursor 13 and bearing 14, so that only first linearly stretches
Drive rotor 51 rotates by the elongation action of contracting arm 11.On the edge of elongation action lower band runner hub 40 of the first linear telescopic arm 11
Clockwise (second direction, and the direction refer to from front watch impeller 4 when direction) rotation.
Referring to (b) of Figure 11, after the first blade 41 reversely rotates predetermined angular again relative to initial position, lock is used
Rationed marketing 53 locks impeller 4.The predetermined angular is preferably 30 degree.Now, as shown in (a) of Figure 11, the first blade 41 is along suitable
Clockwise rotates 30 degree, and angle between the first blade 41 and pylon 3 is still 30 degree, and the position is referred to alternatively as the of wheel hub 40
Two installation sites.
When 40 second installation site of wheel hub, third blade 43 can be installed on wheel hub 40 with horizontality, so that complete
Into the installation of blade, as shown in figure 12.
By said process, wheel hub 40 can be in the presence of the second linear extendible arm 12 along rotate counterclockwise 30
Degree, and 30 degree can be rotated in a clockwise direction in the presence of the first linear telescopic arm 11, the angle of total corotating can be
60 degree, i.e. wheel hub 40 need to rotate the installation that whole blades are completed by 60 degree, so as to significantly simplify control program.
As an example, the maximal dilation length ratio of the first linear telescopic arm 11 and the second linear extendible arm 12 can be about 7:
5.However, the ratio not limited to this between the collapsing length of the first linear telescopic arm 11 and the second linear extendible arm 12, according to using
The different type of machines of the wind power generating set of wheel rotation device 1, the ratio can be adjusted according to actual conditions.
In addition, though above embodiment described structure and process that blade is installed using a wheel rotation device 1,
But multiple wheel rotation devices 1 can be also installed in cabin 6, multiple wheel rotation devices 1 are operated simultaneously when using, impeller
4 rotate.
Although making wheel hub 40 relative to pylon 3 above embodiment illustrates under the elongation of the first linear telescopic arm 11 effect
30 degree of rotate counterclockwise, makes wheel hub 40 turn clockwise 30 relative to pylon 3 under the elongation effect of the second linear extendible arm 12
The situation of degree, but embodiments of the invention not limited to this.Tumbler of the invention 1 also can according to above-described embodiment
Direction in opposite direction is arranged in mounting seat 621, so that the first linear telescopic arm 11 and the second linear extendible arm 12 edge respectively
Direction same as the previously described embodiments rotates wheel hub 40.
In addition, though above-described embodiment only describes the mistake that blade is installed using wheel rotation device 1 of the invention
Journey, but the wheel rotation device 1 can be also used in other processes for needing rotating wheel hub 40, for example, work as needing rotating wheel hub 40 pairs
When wind power generating set is repaired.And, the angle that the now drive of wheel rotation device 1 wheel hub 40 rotates is also not necessarily limited to above-mentioned
Angle, but can be changed according to actual conditions.
Exemplary embodiment of the invention, the single blade for realizing wind power generating set by using tumbler 1 is hung
Dress, solves the problems, such as the special seat in the plane impeller installation difficulty such as mountain region, forest.
In addition, tumbler simple structure, easy for installation, easily controllable and security according to an embodiment of the invention
It is good.
Although exemplary embodiment of the invention is described in detail above, it will be understood by those skilled in the art that
Without departing from the principles and spirit of the present invention, various modifications and variations can be made to embodiments of the invention.But
It should be appreciated that in the opinion of those skilled in the art, it is of the invention that these modifications and modification will fall into that claim limited
In the range of.
Claims (11)
1. a kind of wheel rotation device (1) for wind power generating set, the wind power generating set includes generator (5) and wheel
Hub (40), the generator (5) includes rotor (51), it is characterised in that the wheel rotation device (1) includes：
Cursor (13), the first end of the cursor (13) is used to be pivotally mounted to the fixation of the wind power generating set
In structure；
First linear telescopic arm (11), the first end of the first linear telescopic arm (11) is pivotably connected to the cursor (13)
The second end, the second end of the first linear telescopic arm (11) is used to be pivotally mounted to the rotor (51)；
Second linear extendible arm (12), the first end of the second linear extendible arm (12) is pivotably connected to the cursor
(13), the second end of the second linear extendible arm (12) is used to be connected to the fixed structure,
Wherein, the described first linear telescopic arm (11) and the second linear extendible arm (12) being capable of linear extendibles.
2. wheel rotation device (1) as claimed in claim 1, it is characterised in that the wheel rotation device (1) also includes branch
Second end of seat (14), the first end of the cursor (13) and the second linear extendible arm (12) is arranged on the bearing
(14) on.
3. wheel rotation device (1) as claimed in claim 1, it is characterised in that the first linear telescopic arm (11) and institute
State the second linear extendible arm (12) linear actuator including at least one exportable linear motion.
4. wheel rotation device (1) as claimed in claim 3, it is characterised in that the linear actuator is hydraulic linear fortune
Dynamic actuator, electric linear motion actuators or pneumatic linear motion actuators.
5. the wheel rotation device (1) as any one of claim 1-4, it is characterised in that second linear extendible
The first end of arm (12) is spaced a predetermined distance from the first end of the first linear telescopic arm (11).
6. the wheel rotation device (1) as any one of claim 1-4, it is characterised in that first linear extendible
Second end of arm (11) is provided with connecting pin (101).
7. a kind of method that wheel rotation device using as any one of claim 1-6 installs impeller, its feature exists
In the second end of the first end of the cursor (13) of the wheel rotation device (1) and the second linear extendible arm (12) is pivotable
Be connected on the fixed structure of wind power generating set, the second end of the first linear telescopic arm (11) is pivotably coupled to generate electricity
On the rotor (51) of machine (5), methods described includes：
Step (a), under rotor (51) lock-out state, wheel hub (40) and the first blade (41) lifting that will be assembled to generator
(5), and the first blade (41) is made down；
Step (b), discharges the locking to rotor (51), extends the second linear extendible arm (12), makes wheel hub (40) along first party
To rotating to the first installation site, and locked rotor (51)；
Step (c), installs the second blade (42)；
Step (d), discharges the locking to rotor (51), the second linear extendible arm (12) is retracted, and wheel hub (40) is back to step
Suddenly the initial position in (a), then makes the first linear telescopic arm elongation (11), so that wheel hub (40) is along opposite with first direction
Second direction is rotated to the second installation site, and locks rotor (51)；
Step (e), installs third blade (43).
8. method as claimed in claim 7, it is characterised in that in step (a), first blade (41) is with straight down
State be attached to generator (5), in step (c), second blade (42) is attached to the wheel hub with horizontality
(40), in step (e), the third blade (43) is attached to the wheel hub (40) with horizontality.
9. method as claimed in claim 7, it is characterised in that in step (b), the wheel hub (40) is rotated in a first direction
30 degree, in step (d), after initial position is returned after the second linear extendible arm (12) is retracted, make the wheel hub (40)
30 degree are rotated in the elongation effect lower edge of the described first linear telescopic arm (11) second direction opposite with first direction.
10. a kind of wind power generating set, the wind power generating set includes generator (5) and as any in claim 1-6
Wheel rotation device described in, the first end and the second linear extendible arm of the cursor (13) of the wheel rotation device (1)
(12) the second end is pivotably coupled on the fixed structure of wind power generating set, the second end of the first linear telescopic arm (11)
It is pivotably coupled on the rotor of generator (5) (51).
11. wind power generating sets as claimed in claim 10, it is characterised in that outside the rotor (51) of the generator (5)
It is provided with the pin-and-hole (501) for connecting the described first linear telescopic arm (11) week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710325101.XA CN106907300B (en) | 2017-05-10 | 2017-05-10 | Impeller rotating device, wind generating set and impeller mounting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN108180105A (en) * | 2017-12-25 | 2018-06-19 | 新疆金风科技股份有限公司 | Wheel rotation device, impeller assemble method and wind power generating set |
| CN113753753A (en) * | 2020-06-02 | 2021-12-07 | 新疆金风科技股份有限公司 | Alignment method, alignment device and wind generating set |
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| Publication number | Publication date |
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| CN106907300B (en) | 2018-12-25 |
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