CN109469582A - Wind generating set pitch control driving mechanism, variable pitch method and wind power generating set - Google Patents
Wind generating set pitch control driving mechanism, variable pitch method and wind power generating set Download PDFInfo
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- CN109469582A CN109469582A CN201710801893.3A CN201710801893A CN109469582A CN 109469582 A CN109469582 A CN 109469582A CN 201710801893 A CN201710801893 A CN 201710801893A CN 109469582 A CN109469582 A CN 109469582A
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- generating set
- fluted disc
- blade
- wind power
- wind
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000005096 rolling process Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008450 motivation Effects 0.000 claims 1
- 239000011295 pitch Substances 0.000 abstract description 73
- 230000000694 effects Effects 0.000 abstract description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 238000010248 power generation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The embodiment of the invention provides a kind of wind generating set pitch control driving mechanism, variable pitch method and wind power generating sets, pitch drive mechanism therein, for the blade of wind power generating set, the root of the blade is equipped with gear hobbing with axis connection, the connecting shaft is connect；The pitch drive mechanism drives the gear hobbing to make the blade synchronization variable pitch by fluted disc.Wind generating set pitch control driving mechanism, variable pitch method and wind power generating set provided in an embodiment of the present invention, multiple blade synchronization variable pitches can be controlled simultaneously by fluted disc, structure is simple, the structure of wind generator unit wheel hub is omitted, keep the blade mechanism of wind power generating set more reasonable, variable pitch effect is more preferable, improves the service life of wind power generating set.
Description
Technical field
The present invention relates to technical field of wind power generation, more particularly to a kind of wind generating set pitch control driving mechanism,
Variable pitch method and wind power generating set.
Background technique
Wind power generating set is usually made of cabin, tower, impeller.Blade there are three wherein generally having on impeller, three
The mutual angle of blade is 120 degree.In order to adjust the front face area of blade, wanted with the revolving speed, the power that adapt under different wind speed
It asks, needs to be adjusted the variable pitch angle of blade.Since three blades are directed toward different directions, so existing wind-power electricity generation
Turbines vane variable pitch is usually the independent variable pitch of each blade, i.e., each blade needs a set of independent blade pitch device, then by three
A blade coordination, to realize the identical of three vane propeller-changing angles.It thus needs on wheel hub for each blade
A set of blade pitch device is installed, complex degree of structure is not only increased, improves the manufacturing cost of wind-driven generator, and due to covering more
The presence of blade pitch device, mutual harmony need verification verification in time, also lead to the decline of service life.
Summary of the invention
In view of techniques discussed above problem, the embodiment of the invention provides a kind of wind generating set pitch control driving machines
Structure, variable pitch method and wind power generating set solve the skill that existing wind generating set pitch control mechanism structure is complicated, manufacturing cost is high
Art problem.
The embodiment of the invention provides a kind of wind generating set pitch control driving mechanisms, the leaf for wind power generating set
Piece, the root of the blade are equipped with gear hobbing with axis connection, the connecting shaft is connect；The pitch drive mechanism is driven by fluted disc
Moving the gear hobbing makes the blade synchronization variable pitch.
Selectively, the connecting shaft rolls connection by rolling the front end of attachment device and the cabin.
Selectively, the pitch drive mechanism, including shaft, be mounted in the shaft and engaged with the gear hobbing
The first fluted disc and the second fluted disc and the planet gear drives structure being mounted in the shaft, the shaft pass through described
Planet gear drives structure drives one in first fluted disc and second fluted disc, and is directly driven by the shaft
Another in first fluted disc and second fluted disc, rotates backward first fluted disc and second fluted disc.
Selectively, further include gantry component, be socketed in the shaft, rolled outside gantry and gantry including coaxial arrangement
Wheel.
Selectively, gantry internal trolley is equipped between the gantry and the shaft.
Selectively, the rear end of the shaft is connect by clutch with driving motor.
The embodiment of the invention also provides a kind of Wind generating set variable pitch methods, comprising:
The gear hobbing in the connecting shaft of multiple blades is driven, simultaneously by fluted disc to control multiple vane propeller-changings.
Selectively, the fluted disc includes the first fluted disc and the second fluted disc being installed in shaft；And accordingly, by described
Shaft controls first fluted disc and second fluted disc rotates backward.
Selectively, the shaft drives one in first fluted disc and second fluted disc by planetary gear mechanism
It is a, and another in first fluted disc and second fluted disc is directly driven by the shaft, make first fluted disc
It is rotated backward with second fluted disc.
The embodiment of the invention also provides a kind of wind power generating set, including it is above-described pitch drive mechanism, described
Blade and cabin, the cabin is interior to be equipped with generator.
Selectively, the front end of the cabin is cylindrical shape.
Selectively, further include drive block, be mounted on the front end of the rotor of the generator, the blade drives the biography
Motion block.
Selectively, the drive block is annular shape, and a groove is arranged in corresponding each blade, the blade
Connecting shaft passes through the groove.
Selectively, the blade is equipped with rolling supporting part, and the rolling supporting part is located in the groove, institute
It states blade and is contacted by the rolling supporting part with the groove.
Selectively, the rolling attachment device is back-up roller wheel, installs an institute in the connecting shaft of each blade
Back-up roller wheel is stated, the back-up roller wheel moves in a circle along the front end of the cabin.
Selectively, the front end of the cabin is equipped with circular orbit, and the back-up roller wheel passes through connecting rod and the circular rails
Road is slidably connected.
Selectively, the section of the circular orbit is T-slot, and the end of the connecting rod is connected in the T-slot.
Selectively, the rolling attachment device is thrust bearing, and whole blades are all connected to the thrust bearing.
It selectively, further include pod, the pod snaps onto the front end of the cabin, and the rolling is connected
Device and the gantry component are placed in wherein.
Selectively, the pod is split-type structure, and connects to form cover by connecting method.
Wind generating set pitch control driving mechanism, variable pitch method and wind power generating set provided in an embodiment of the present invention are led to
Multiple blade synchronization variable pitches can be controlled simultaneously by crossing fluted disc, and structure is simple, and the structure of wind generator unit wheel hub is omitted, makes wind
The blade mechanism of power generator group is more reasonable, and variable pitch effect is more preferable, improves the service life of wind power generating set.
Detailed description of the invention
The present invention may be better understood from the description with reference to the accompanying drawing to a specific embodiment of the invention,
In:
By reading detailed description of non-limiting embodiments referring to the drawings, other feature of the invention,
Objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 is the structural schematic diagram for the wind power generating set that one embodiment of the invention provides；
Fig. 2 is the structural schematic diagram that the cabin that one embodiment of the invention provides is connect with blade；
Fig. 3 is the attachment structure schematic diagram of the pitch drive mechanism that one embodiment of the invention provides and blade；
Fig. 4 is the structural schematic diagram for the pitch drive mechanism that one embodiment of the invention provides；
Fig. 5 is the partial structural diagram for the pitch drive mechanism that one embodiment of the invention provides；
Fig. 6 is the structural schematic diagram for the connecting shaft that one embodiment of the invention provides.
In figure:
100, blade；110, connecting shaft；111, gear hobbing；120, back-up roller wheel；121, connecting rod；130, rolling supporting part；
200, gantry component；
300, cabin；310, circular orbit；
400, drive block；410, groove；
500, pitch drive mechanism；510, shaft；520, the first fluted disc；530, the second fluted disc；540, planet gear drives
Structure；550, gantry；560, the outer idler wheel of gantry；570, gantry internal trolley；580, clutch；590, end cap；
600, pod.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, many details are proposed, in order to provide complete understanding of the present invention.But to those skilled in the art
It will be apparent that the present invention can be implemented in the case where not needing some details in these details.Below to implementation
The description of example is used for the purpose of providing by showing example of the invention and better understanding of the invention.The present invention never limits
In any concrete configuration set forth below and algorithm, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of component and algorithm.In the the accompanying drawings and the following description, well known structure and skill is not shown
Art is unnecessary fuzzy to avoid causing the present invention.
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.In the figure in order to clear
It is clear, it may be exaggerated the thickness of region and layer.Identical appended drawing reference indicates same or similar structure in figure, thus will save
Slightly their detailed description.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In example.In the following description, many details are provided to provide and fully understand to the embodiment of the present invention.However,
It will be appreciated by persons skilled in the art that technical solution of the present invention can be practiced without one in the specific detail or more
It is more, or can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features,
Material or operation are to avoid major technique intention of the invention is obscured.
As shown in figures 1 to 6: the embodiment of the present invention provides a kind of wind power generating set, including tower (not shown), leaf
The root of piece 100, blade 100 is connect with connecting shaft 110, and connecting shaft 110 is equipped with gear hobbing 111；Pitch drive mechanism 500 passes through
Fluted disc drives the gear hobbing 111 to make the synchronous variable pitch of blade 100.
Wind generating set pitch control driving mechanism provided in an embodiment of the present invention can control multiple leaves by fluted disc simultaneously
Piece synchronizes variable pitch, can be adjusted on the basis of the blade pitch device of existing wind power generating set, structure is simple, and wind is omitted
The structure of power generator group wheel hub, keeps the blade mechanism of wind power generating set more reasonable, and variable pitch effect is more preferable, improves wind-power electricity generation
The service life of unit.
Selectively, wind generating set pitch control driving mechanism provided in this embodiment, connecting shaft 110 is by rolling connection
The front end of device and cabin 300, which rolls, to be connected, and is provided a supporting role by cabin 300 to connecting shaft 110, to make impeller and change
The sound construction of paddle driving mechanism, it is more stable.
Wind generating set pitch control driving mechanism provided in this embodiment, connecting shaft 110 are equipped with gear hobbing 111；Accordingly,
Pitch drive mechanism 500 is set, and drives gear hobbing 111 to make 100 variable pitch of blade by fluted disc.Pass through a pitch drive mechanism
500 can drive three blades 100 to carry out variable pitch simultaneously, and structure is simple, requires individually with each blade in the prior art
Pitch drive mechanism driving variable pitch is compared, and wind power generating set provided in this embodiment can control the synchronous change of three blades 100
Paddle, and can be realized and be precisely controlled.
Wind generating set pitch control driving mechanism provided in this embodiment, pitch drive mechanism 500 include shaft 510, peace
The first fluted disc 520 and the second fluted disc 530 that are engaged in shaft 510 and with gear hobbing 111 and the row being mounted in shaft
Star gear drive structure 540, planet gear drives structure 540 drive the first fluted disc 520, make the first fluted disc 520 and the second fluted disc
530 rotate backward, wherein needing to process internal tooth on the first fluted disc, and are equipped with external tooth in the front end of shaft 510, pass through a row
Star gear drive, to make the rotation direction of the first fluted disc 520 and the rotation direction of shaft 510 on the contrary, and the second fluted disc 530 exists
It rotates under the drive of shaft 510, is rotated backward so that the first fluted disc 520 and the second fluted disc 530 be made to realize.Based on art technology
The understanding of personnel can also design corresponding planet gear drives structure 540 to the second fluted disc 530, make turning for the second fluted disc 530
The rotation direction of dynamic direction and shaft 510 on the contrary, and the first fluted disc 520 rotates under the drive of shaft 510, to make the first tooth
Disk 520 and the realization of the second fluted disc 530 rotate backward.
Wind generating set pitch control driving mechanism provided in this embodiment, further includes gantry component 200, is socketed in shaft
On 510, idler wheel 560 outside gantry 550 and gantry including coaxial arrangement, central bridge 550 is contacted with the first fluted disc 520, gantry
Outer idler wheel 560 is contacted with the second fluted disc 530, is made between the first fluted disc 520 and the second fluted disc 530 certainly by idler wheel 560 outside gantry
It is rotated backward by ground, not by counter-rotational constraint.
Wind generating set pitch control driving mechanism provided in this embodiment is equipped in gantry between gantry 550 and shaft 510
Idler wheel 570.Due to shaft 510 and the rotation direction of the first fluted disc 520 on the contrary, so setting gantry internal gear 570, makes the first tooth
It is freely rotated backward between disk 520 and shaft 510, not by counter-rotational constraint.
It by clutch 580 and drives the rear end of wind generating set pitch control driving mechanism provided in this embodiment, shaft 510
Dynamic motor connection, when needing variable pitch, 580 Attraction strap turn axis 510 of clutch drives the first fluted disc 520 and the second fluted disc 530
It rotates backward, when not needing variable pitch, clutch 580 is detached from, and only shaft 510 is with the rotation of gantry component 200 at this time.
The embodiment of the present invention also provides a kind of Wind generating set variable pitch method, comprising:
The gear hobbing in the connecting shaft 110 of multiple blades 100 is driven, simultaneously by fluted disc to control multiple 100 variable pitches of blade.
It is same can to control simultaneously multiple blades by fluted disc for Wind generating set variable pitch method provided in an embodiment of the present invention
Variable pitch is walked, structure is simple, and the structure of wind generator unit wheel hub is omitted, and keep the blade mechanism of wind power generating set more reasonable,
Variable pitch effect is more preferable, improves the service life of wind power generating set.
Wind generating set variable pitch method provided in an embodiment of the present invention, fluted disc include first be installed in shaft 510
Fluted disc 520 and the second fluted disc 530；And accordingly, the first fluted disc 520 is controlled by shaft 510 and the second fluted disc 530 rotates backward,
It is rotated with controlling the connecting shaft 110 of blade 100, and then controls 100 variable pitch of blade.
Wind generating set variable pitch method provided in an embodiment of the present invention, shaft 510 are driven by planetary gear mechanism 540
First fluted disc 520 rotates backward the first fluted disc 520 relative to shaft 510, and the second fluted disc 530 is under the drive of shaft 510
It is rotated synchronously with shaft 510, so that the first fluted disc 520 and the second fluted disc 530 be made to rotate backward.
The embodiment of the present invention also provides a kind of wind power generating set, the pitch drive mechanism provided including above embodiments
500, blade 100 and cabin 300 are equipped with generator (not shown), the root of blade 100 and connecting shaft in cabin 300
110 connections, connecting shaft 110 are connected by rolling the front end rolling of attachment device and cabin 300, and blade 100 is made to pass through connecting shaft
110 are directly delivered to load in cabin 300, and blade 100 is in the course of rotation, and connecting shaft 110 is by rolling connection
Device and cabin 300, which roll, to be connected, and the attachment device therein that rolls for example can be the thrust bearing of an entirety, is also possible to
For the back-up roller wheel 120 of each blade design, generator is placed in cabin 300, can pass through the connecting shaft 110 of blade 100
Driven generator power generation.
Wind power generating set provided in an embodiment of the present invention can control multiple blade synchronization variable pitches by fluted disc simultaneously,
Structure is simple, and the structure of wind generator unit wheel hub is omitted, and keeps the blade mechanism of wind power generating set more reasonable, variable pitch effect
More preferably, the service life of wind power generating set is improved, transmission effect is more stable.
Wind power generating set provided in this embodiment, the front end of cabin 300 are cylindrical shape, to be directed to thrust bearing, or
Person designs circular orbit 310 for back-up roller wheel 120.
Wind power generating set provided in this embodiment further includes drive block 400, is mounted on the front end of the rotor of generator,
Blade 100 drives drive block 400, and then is rotated by the rotor of 400 driven generator of drive block, makes electrical power generators.This reality
Individually designed slow-speed shaft can not needed by applying example, and the rotor for using blade 100 that drive block 400 is driven to drive generator rotates,
And then make electrical power generators.
Wind power generating set provided in this embodiment, drive block 400 is annular shape, and corresponding each blade 100 is set
A groove 410 is set, the connecting shaft 110 of blade 100 passes through groove 410, drives groove by the connecting shaft 110 of blade 100
410, and then drive block 400 is made to drive the rotor rotation of generator, make electrical power generators.
Wind power generating set provided in this embodiment, blade 100 are equipped with rolling supporting part 130, rolling supporting part
130 are located in groove 410, and blade 100 is contacted by rolling supporting part 130 with groove 410.Wind power generating set is made in wind-force
During with lower power generation, it is also necessary to control the variable pitch angle of blade 100, mistake of the blade 100 in variable pitch according to the size of wind-force
Itself will be rotated around connecting shaft 110 in journey, and rolling supporting part 130 is designed in connecting shaft 110, makes connecting shaft 110 in leaf
100 variable pitch of piece will not generate sliding friction between groove 410 during rotating, and pass through the rolling of rolling supporting part 130
Friction replaces sliding friction, is easier to control 100 variable pitch of blade, and reduce the frictional resistance in pitch process.Roll branch
Support part part 130 can select bearing class formation.
Wind power generating set provided in this embodiment, rolling attachment device are back-up roller wheel 120, the company of each blade 100
One back-up roller wheel 120 is installed, back-up roller wheel moves in a circle along the front end of cabin 300 in spindle 110.Back-up roller wheel 120
It can make the relative motion rolling friction between connecting shaft 110 and cabin 300,300 blades 100 of cabin is made to provide load branch
While support acts on, the transmission resistance between cabin 300 and blade 100 is reduced.
Wind power generating set provided in this embodiment, the front end of cabin 300 are equipped with circular orbit 310, and back-up roller wheel 120 is logical
Connecting rod 121 is crossed to be slidably connected with circular orbit 310.The corresponding design of more than 310 connecting rod 121 of circular orbit, connecting rod 121 can be along ring
Shape track 310 moves in a circle, and position limiting structure can be designed on connecting rod, and connecting rod 121 is avoided to be detached from circular orbit 310.
Wind power generating set provided in this embodiment, the section of circular orbit 310 are T-slot, and the end of connecting rod 121 connects
In T-slot, accordingly, the T-shaped block cooperated with T-slot is set as in the end of connecting rod 121, to avoid bearing side in blade
When wind acts on, blade 100 is separated from cabin 300.It is clearance fit between T-shaped block and T-slot when being not subject to effect of Side Wind,
So not will increase the resistance between blade 100 and cabin 300.
Wind power generating set provided in this embodiment, rolling attachment device are thrust bearing (not shown), whole leaves
Piece 100 is all connected to thrust bearing.One end ring of thrust bearing is connect with cabin 300, and another end ring is free end, whole leaves
Piece 100 is fixedly connected with another end ring of thrust bearing respectively, so that thrust bearing be enable to carry the loads of whole blades 100
Lotus.
Wind power generating set provided in this embodiment further includes pod 600, and pod snaps onto the front end of cabin 300,
It is placed in wherein so that attachment device and gantry component 200 will be rolled.Pod 600 uses airflow design, to reduce pod
The resistance of 600 pairs of air-flows.Normally, the outer surface of pod 600 is designed using revolving body.
Pod 600 is split-type structure, and connects to form cover by connecting method.Using the water conservancy diversion of split-type structure
Cover 600, multiple separate structures can be cut into, such as can be made three identical separate structures, or be made into six it is identical
The separate structure of (or symmetrical), and in the position reserving installation hole of corresponding blade 100, make to fabricate and install all to become letter
It is single feasible.Compared to monolithic construction, practicability is had more using the pod 600 of split-type structure in the process of implementation.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.In different embodiments
The different technologies feature of middle appearance can be combined, to obtain beneficial effect.Those skilled in the art are in research attached drawing, explanation
On the basis of book and claims, the embodiment of other variations of revealed embodiment is will be understood that and realized.In right
In claim, term " comprising " is not precluded from other devices or steps；Indefinite article "one" be not excluded for it is multiple；Term " the
One ", " second " is for indicating title not for any specific sequence of expression.Any appended drawing reference in claim is not
It should be understood limiting of its scope.The function of the multiple portions occurred in claim can be by an individual hardware
Or software module is realized.Certain technical characteristic appearance are not meant in different dependent claims cannot be by these skills
Art feature is combined to obtain beneficial effect.
Claims (20)
1. a kind of wind generating set pitch control driving mechanism, the blade (100) for wind power generating set, which is characterized in that institute
The root for stating blade (100) is connect with connecting shaft (110), and the connecting shaft (110) is equipped with gear hobbing (111)；The variable pitch drives
Motivation structure (500) drives the gear hobbing (111) to make the blade (100) synchronous variable pitch by fluted disc.
2. wind generating set pitch control driving mechanism as described in claim 1, which is characterized in that
The connecting shaft (110) rolls connection by rolling the front end of attachment device and the cabin (300).
3. wind generating set pitch control driving mechanism as claimed in claim 1 or 2, which is characterized in that
The pitch drive mechanism (500), including shaft (510), be mounted on the shaft (510) and with the gear hobbing
(111) the first fluted disc (520) and the second fluted disc (530) that engage and the planet gear drives knot being mounted in the shaft
Structure (540), the planet gear drives structure (540) drive in first fluted disc (520) and second tooth (530) disk
One, and directly driven by the shaft (510) another in first fluted disc (520) and second fluted disc (530)
It is a, rotate backward first fluted disc (520) and second fluted disc (530).
4. wind generating set pitch control driving mechanism as claimed in claim 3, which is characterized in that
Further include gantry component (200), be socketed on the shaft (510), outside gantry (550) and gantry including coaxial arrangement
Idler wheel (560).
5. wind generating set pitch control driving mechanism as claimed in claim 4, which is characterized in that
Gantry internal trolley (570) are equipped between the gantry (550) and the shaft (510).
6. wind generating set pitch control driving mechanism as claimed in claim 3, which is characterized in that
The rear end of the shaft (510) is connect by clutch (580) with driving motor.
7. a kind of Wind generating set variable pitch method, comprising:
The gear hobbing in the connecting shaft (110) of multiple blades (100) is driven, simultaneously by fluted disc to control multiple blades (100) change
Paddle.
8. Wind generating set variable pitch method as claimed in claim 7, which is characterized in that
The fluted disc includes the first fluted disc (520) and the second fluted disc (530) being installed on shaft (510)；And accordingly, by institute
It states shaft (510) control first fluted disc (520) and second fluted disc (530) rotates backward.
9. Wind generating set variable pitch method as claimed in claim 8, which is characterized in that
The shaft (510) drives first fluted disc (520) and second fluted disc by planetary gear mechanism (540)
(530) one in, and first fluted disc (520) and second fluted disc (530) are directly driven by the shaft (510)
In another, rotate backward first fluted disc (520) and second fluted disc (530).
10. a kind of wind power generating set, which is characterized in that including above-described pitch drive mechanism (500), the blade
(100) and cabin (300), the cabin (300) are interior equipped with generator.
11. wind power generating set as claimed in claim 10, which is characterized in that
The front end of the cabin (300) is cylindrical shape.
12. wind power generating set as claimed in claim 10, which is characterized in that
Further include drive block (400), be mounted on the front end of the rotor of the generator, the blade (100) drives the transmission
Block (400).
13. wind power generating set as claimed in claim 12, which is characterized in that
The drive block is annular shape, and a groove (410), the blade (100) is arranged in corresponding each blade (100)
Connecting shaft (110) pass through the groove (410).
14. wind power generating set as claimed in claim 13, which is characterized in that
The blade (100) is equipped with rolling supporting part (130), and the rolling supporting part (130) is located at the groove
(410) in, the blade (100) is contacted by the rolling supporting part (130) with the groove (410).
15. the wind power generating set as described in one of claim 10-14, which is characterized in that
The rolling attachment device is back-up roller wheel (120), installs one in the connecting shaft (110) of each blade (100)
The back-up roller wheel (120), the back-up roller wheel move in a circle along the front end of the cabin (300).
16. wind power generating set as claimed in claim 15, which is characterized in that
The front end of the cabin (300) be equipped with circular orbit (310), the back-up roller wheel (120) by connecting rod (121) with it is described
Circular orbit (310) is slidably connected.
17. wind power generating set as claimed in claim 16, which is characterized in that
The section of the circular orbit (310) is T-slot, and the end of the connecting rod (121) is connected in the T-slot.
18. the wind power generating set as described in one of claim 10-14, which is characterized in that
The rolling attachment device is thrust bearing, and whole blades (100) are all connected to the thrust bearing.
19. wind power generating set as claimed in claim 10, which is characterized in that
It further include pod (600), the pod snaps onto the front end of the cabin (300), and the rolling is connected and is filled
It sets and the gantry component (200) is placed in wherein.
20. wind power generating set as claimed in claim 19, which is characterized in that
The pod (600) is split-type structure, and connects to form cover by connecting method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710801893.3A CN109469582B (en) | 2017-09-07 | 2017-09-07 | Variable pitch driving mechanism and variable pitch method of wind generating set and wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| JP2001099045A (en) * | 1999-10-01 | 2001-04-10 | Mitsubishi Heavy Ind Ltd | Blade pitch variable mechanism for wind mill |
| JP2003065205A (en) * | 2001-08-30 | 2003-03-05 | Wandaa Kikaku:Kk | Propeller diameter variable device |
| CN101603505A (en) * | 2009-04-22 | 2009-12-16 | 袁长铭 | Passive variable pitch control and multiblade wind wheel device |
| CN201723365U (en) * | 2010-07-26 | 2011-01-26 | 林琪 | Wind drive device of wind power generator |
| CN202789331U (en) * | 2012-09-19 | 2013-03-13 | 广西银河风力发电有限公司 | Megawatt direct-driven wind generating set |
| CN104763587A (en) * | 2015-04-27 | 2015-07-08 | 宁波锦浪新能源科技有限公司 | Novel wind turbine linked pitch alteration system |
| CN204851535U (en) * | 2015-06-08 | 2015-12-09 | 滁州安瑞电力自动化有限公司 | Rotatable wind generator system of blade |
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|---|---|---|---|---|
| JP2001099045A (en) * | 1999-10-01 | 2001-04-10 | Mitsubishi Heavy Ind Ltd | Blade pitch variable mechanism for wind mill |
| JP2003065205A (en) * | 2001-08-30 | 2003-03-05 | Wandaa Kikaku:Kk | Propeller diameter variable device |
| CN101603505A (en) * | 2009-04-22 | 2009-12-16 | 袁长铭 | Passive variable pitch control and multiblade wind wheel device |
| CN201723365U (en) * | 2010-07-26 | 2011-01-26 | 林琪 | Wind drive device of wind power generator |
| CN202789331U (en) * | 2012-09-19 | 2013-03-13 | 广西银河风力发电有限公司 | Megawatt direct-driven wind generating set |
| CN104763587A (en) * | 2015-04-27 | 2015-07-08 | 宁波锦浪新能源科技有限公司 | Novel wind turbine linked pitch alteration system |
| CN204851535U (en) * | 2015-06-08 | 2015-12-09 | 滁州安瑞电力自动化有限公司 | Rotatable wind generator system of blade |
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| CN109469582B (en) | 2020-05-19 |
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