CN106949008A - A kind of wing arm automatic telescopic vertical shaft resistance type windmill - Google Patents
A kind of wing arm automatic telescopic vertical shaft resistance type windmill Download PDFInfo
- Publication number
- CN106949008A CN106949008A CN201710371018.6A CN201710371018A CN106949008A CN 106949008 A CN106949008 A CN 106949008A CN 201710371018 A CN201710371018 A CN 201710371018A CN 106949008 A CN106949008 A CN 106949008A
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- Prior art keywords
- blade
- energy conversion
- conversion system
- wind energy
- guide rail
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Classifications
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- 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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
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- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/21—Rotors for wind turbines
- F05B2240/211—Rotors for wind turbines with vertical axis
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- 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
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
- F05B2240/312—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The present invention relates to a kind of wing arm automatic telescopic vertical shaft resistance type windmill, it is made up of blade, blade rotor, gear, tooth bar, guide rail, sliding block, bearing block, sliding block limiting buffer device, fixed plate, wind energy conversion system swivel mount, wind energy conversion system rotary shaft etc..Resistance-type blade side sets rotating shaft, and paired blade is mutually linked by rack-and-pinion and guide rail slide block, and when blade reaches certain angle windward in wind field, wind action power forces blade around its axis of rotation, opens resistance-type forward face, convex surface is packed up;Meanwhile, blade rotor makes the wing arm of concave-blade stretch automatically, the wing arm automatic retracted of convex surface blade with the segment distance of sliding block synchronizing moving one on guide rail, and resistance and resistance arm are reduced while wind energy conversion system driving force and the arm of force is improved.The state of blade rotates with wind energy conversion system and occurs alternately to change, and effectively improves the driving moment of blower fan and reduces the moment of resistance.Wind energy conversion system is combined by elementary cell and formed, and passes through wind energy conversion system rotary shaft output mechanical energy.
Description
Technical field
The present invention relates to a kind of vertical axis windmill field, more particularly to a kind of vertical axis resistance of wing arm automatically retractable
Type wind energy conversion system.
Background technology
Wind energy conversion system can be divided into horizontal-shaft wind turbine and vertical axis windmill two by the geometrical relationship of its rotary shaft and horizontal plane
Major class, and vertical axis windmill can be divided into two kinds of lift-type and resistance-type according to the operation principle of pneumatic equipment bladess.Vertically
Axle lift-type blade produces lift under wind-force effect, forms wind energy conversion system rotation torque, feature is that wind energy utilization is higher, but its
Threshold wind velocity requires high, is only suitable for using in the area that wind energy resources enriches;Resistance-type blade is produced by blade to wind
Resistance, its reaction force promotes wind energy conversion system rotation, and feature is that wind energy utilization is relatively low, but its threshold wind velocity is small, the torque of generation
Greatly, the area for being adapted to not enrich in wind energy resources is used.
Shaft resistance type windmill is that the principle that can produce different windages to convex and concave panel blade using wind works.
When conventional vertical axle shaft resistance type windmill is run, blade of the blade (hereinafter referred to as windward blades) than convex surface windward of concave surface windward
(hereinafter referred to as leeward blade) produces bigger windage, therefore positive moment of thrust and the generation of leeward blade of windward blades generation
Negative sense hinders the resultant moment of torque to be only the effective torque for promoting wind energy conversion system rotation acting.
In order to improve the effective torque of wind energy conversion system, patent of invention (application number:201510328859.X) disclose that " one kind can
Become wing vertical shaft resistance type windmill " structure, blade is automatically opened up in windward side, and packed up in leeward side, improve blade
To the effective push square of wind energy conversion system.It is of the invention then design a kind of wing arm automatic telescopic wind machine structure, while adjustable wing,
Flank arm windward can be automatically increased, leeward flank arm is reduced, so as to improve effective turning moment of wind-force generation.
The content of the invention
Technical problem:Windward blades side is equal to according to effective output torque of shaft resistance type windmill and leeward blade-side is produced
Torque difference operation principle, the present invention devises a kind of wing arm automatic telescopic vertical shaft resistance type windmill, by from
The driving arm of force of dynamic increase windward blades side, reduces the method for the obstruction arm of force of leeward blade-side, improves the effective defeated of wind energy conversion system
Go out torque.
The wind energy conversion system course of work is:When wind is to blade, windward blades (concave surface) are under the action of the forces of the wind around its leaf
Piece rotating shaft rotation is opened, to increase front face area;Windward blades rotating shaft is while rotation, along rotating shaft guide rail to away from wind energy conversion system
Rotary shaft is moved radially, until blade opens completely;
At the same time, leeward blade (convex surface) rotating shrinking under the action of the forces of the wind;Leeward blade rotor is in the same of rotation
When, along rotating shaft guide rail to moving radially close to wind energy conversion system rotary shaft, untill vanes retract action is limited by block.
Two blade rotors move radially mutual cooperation, while the windward blades side driving arm of force is extended, reduce leeward
The obstruction arm of force of blade-side, so as in the case of equal wind-force, make wind energy conversion system obtain bigger output torque.
Technical scheme:A kind of wing arm automatic telescopic vertical shaft resistance type windmill of the present invention is by blade, blade rotor, tooth
Wheel, tooth bar, guide rail, sliding block, bearing and bearing block, sliding block limiting buffer device, tooth bar fixed plate, wind energy conversion system swivel mount, wind energy conversion system
Rotary shaft etc. is constituted.
It is characterized in that pneumatic equipment bladess are fixedly connected with blade rotor, respectively it is fixed near the two ends of blade rotor
One gear, constitutes blade assembly;
On the inside of the upper and lower bottom plate of wind energy conversion system swivel mount, parallel correspondence installs two guide rails, and guide rail is along wind energy conversion system rotary shaft
Sliding block is equipped with radial arrangement, guide rail, guide rail slide block component is constituted;
On guide rail slide block component, two blade assemblies are equipped with, blade assembly is arranged symmetrically relative to its center, passes through axle
Hold and bearing block, each blade rotor end is connected with sliding block, allows rotating shaft while rotating, while as sliding block is on guide rail
Slide;
Tooth bar by its fixed plate be arranged on wind energy conversion system swivel mount on, make when gear on sliding block along slide when, tooth
Wheel can normally be engaged with tooth bar.
And note, during using pinion and rack, the position that the gear on each blade assembly is installed on sliding block will ensure
The tooth bar engagement that gear can only be arranged with guide rail side, and the tooth bar with opposite side arrangement is not interfered;
So, when the mutually opposing rotation of two blade rotors, the gear in each rotating shaft, will when being engaged with respective tooth bar
Moved along the same direction of guide rail, so that the distance between two blade rotors and wind energy conversion system rotary shaft there occurs that one stretches a contracting
Change.
More than, the wing arm being made up of symmetrical two blade assembly, guide rail slide block, rack-and-pinion and wind energy conversion system swivel mount etc. is automatic
Telescoping mechanism, forms the elementary cell of vertical shaft resistance type windmill.
If a practical wind energy conversion system can be made up of above-mentioned individual elementary cell axially stacking.Ensure wind energy conversion system during superposition
The unification of rotary shaft, and make the blade guide rail of each elementary cell mutually uniformly stagger an angle, and when avoiding the blade from rotating
Interfere.
The course of work of this wing arm automatic telescopic wind energy conversion system is:When wind wind machine, work of the windward blades in wind
Around its rotating shaft Unscrew under;
At the same time, blade rotor drives pinion rotation and engaged with fixed tooth bar, so that blade rotor is in rotation
While, a segment distance is moved along guide rail to the direction away from wind energy conversion system center of rotation with movable slider, makes the wing arm of windward blades
Automatic elongation, until blade is opened to after windage maximum, sliding block limiting buffer device limits being rotated further for sharf;
Leeward blade face rotates under wind-force effect around its rotating shaft draws in, with movable slider to the side close to wind energy conversion system center of rotation
To a mobile segment distance, the wing arm of leeward blade is shortened automatically, limited until by sliding block limiting buffer device.
Further, in described blade assembly, blade is the thin-wall face of concavo-convex, namely general resistance-type wind
The blade shape of power machine, and be fixedly connected in side with its rotary shaft, blade is formed under the action of the forces of the wind around rotary shaft
Torque.
Further, in described blade assembly, the parameter of two gears is consistent, to be fixedly connected with blade rotor, and
Blade rotor two ends reserve the shaft end for installing bearing.
Further, described blade assembly is used in pairs in a wind energy conversion system elementary cell, and by guide rail slide block
The heart is arranged symmetrically, though the forward face of side windward when, correspondence opposite side blade convex surface windward.
Further, the wind energy conversion system base that described wind energy conversion system swivel mount is made up of upper and lower bottom plate and two side supports
This framework, is that can be folded between the installation frame of parts in wind energy conversion system elementary cell, elementary cell by the connection of upper and lower bottom plate
Plus the main body of composition wind energy conversion system, and eventually through unified wind energy conversion system rotary shaft output mechanical energy.
Further, described tooth bar fixed plate be arranged on guide rail both sides and and guide rail parallel, each carrying one in fixed plate
Toothed rack, for being engaged with the gear on respective side blade rotor, and ensures that gear during engagement rolling, can pass through on tooth bar
Blade rotor and bearing block drive the sliding block on guide rail to move in the same direction together.
Further, described wind energy conversion system rotary shaft is the center of rotation of wind energy conversion system output mechanical energy, is several wind-force
Machine elementary unit groups exist into the axle center externally exported after wind energy conversion system on the wind energy conversion system swivel mount upper and lower bottom plate of each elementary cell
The position of wind energy conversion system rotary shaft, but not necessarily there is axis body in kind to show.
Further, radial direction of the described guide rail slide block component along wind energy conversion system rotary shaft, is fixedly mounted on wind energy conversion system rotation
On the upper and lower bottom plate of frame, upper/lower guide is parallel, symmetrical face-to-face, and the bearing block installed on guide rail slide block is respectively used to two groups of connection
The shaft end up and down of blade rotor.For the easy for installation of bearing block, two sliding blocks can be arranged on each guide rail, it is each independent, can also
Two bearing blocks are arranged on a sliding block, make the mobile formation linkage of two sharfs.
Further, bearing block is connected on described sliding block, the rotating shaft of its middle (center) bearing is vertical with guide rail, each blade assembly leads to
Its rotating shaft is crossed to install within the bearing.So, gear with racks turn when being engaged, it is possible to which band movable slider is slided on guide rail.
Further, described blade around its rotating shaft rotational angle by sliding block limiting buffer device (adjustable) it is spacing and
Buffering, another group of blade is drawn in completely when one group of blade of correspondence is opened completely, and vice versa.
Further, described pneumatic equipment bladess are in wind energy conversion system rotary course, with the change of its wind-engaging angle certainly
Dynamic adjustment attitude, when the blade of a concave surface windward with wind energy conversion system rotates to convex surface region windward, the symmetrical convex surface with its axle center
Windward blades are then converted into concave surface windward therewith, are so mutually converted in rotation, wing arm automatic telescopic are completed, so as to improve
Effective output torque of wind energy conversion system.
Beneficial effect:The beneficial effects of the invention are as follows:
1. devise a kind of wing arm automatic telescopic vertical shaft resistance type windmill so that wind is when blowing to blade, and it windward one
The arm of force is stretched automatically while lateral lobe piece opens, forward drive torque is effectively strengthened;And while leeward side blade gathering
It is automatic to shorten the arm of force, the negative sense moment of resistance of leeward side blade is reduced, effective output torque of wind energy conversion system is improved.
2. practical wind energy conversion system can be made up of basic unit moduleization superposition, it can combine according to the actual requirements.
Brief description of the drawings
Fig. 1 is a kind of outside drawing for the wing arm automatic telescopic vertical shaft resistance type windmill being made up of two elementary cells;
Fig. 2 is a kind of wing arm automatic telescopic vertical shaft resistance type windmill basic cell structure schematic diagram;
Fig. 3 is wing arm automatic telescopic design sketch.
In figure:1- blades, 2- blade rotors, 3- gears, 4- guide rails, 5- sliding blocks, 6- bearing blocks, 7- tooth bars, 8- fixed plates, 9- limits
Digit buffer, 10- wind energy conversion system swivel mounts, 11- wind energy conversion system rotary shafts.
Embodiment
A kind of wing arm automatic telescopic vertical shaft resistance type windmill is provided in the embodiment of the present invention, in resistance-type blade
Side sets rotating shaft, using thrust of the wind to resistance-type blade, blade is rotated under the action of the forces of the wind around blade rotor, realizes
The action that forward face is opened and convex surface is drawn in;At the same time, by rack-and-pinion and guide rail slide block mechanism, the concave-blade wing is made
Arm stretches automatically, convex surface blade profile arm automatic retracted.Effectively improve the driving moment of wind energy conversion system and reduce the moment of resistance, so as to carry
High effective output torque of wind energy conversion system.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly retouched
State, it is clear that the embodiment of description is only a part of embodiment of the present invention, rather than whole embodiments.Based on the present invention
In embodiment, the other embodiment that those of ordinary skill is obtained under the premise of creative work is not made belongs to this
The protection domain of invention.
With reference to Fig. 1~3, a kind of wing arm automatic telescopic vertical shaft resistance type windmill of the invention is by 1- blades, 2- blades
Rotating shaft, 3- gears, 4- guide rails, 5- sliding blocks, 6- bearing blocks, 7- tooth bars, 8- fixed plates, 9- limiting buffers device, the rotation of 10- wind energy conversion systems
Frame, 11- wind energy conversion system rotary shafts etc. are constituted.
Wherein, wind energy conversion system swivel mount 10 as shown in Figure 2 above and below (circle) base plate and support member composition (a cylinder
Shape) structural member.Upper and lower bottom plate is fixed frame with support member, another on the one hand as the frame for installing the above parts
Aspect is used for the rotary power for transmitting wind energy conversion system.Swivel mount 10 constitutes the substantially single of wind energy conversion system with function parts thereon
Member.
Wherein, blade 1, blade rotor 2, gear 3 connect into two blade groups by being fixedly connected mode, as shown in Figure 2
Part.During connection, it is desirable to which each gear parameter (number of teeth, modulus etc.) is consistent, there can not be relative motion with blade rotor, and turn in blade
The two ends of axle reserve the shaft end coordinated with the middle (center) bearing of bearing block 6.
Two guide rails 4 are symmetrically mounted on wind energy conversion system swivel mount about 10 on the inside of (circle) base plate face-to-face as shown in Figure 2
Position, upper/lower guide is parallel, is arranged radially of the axis of rotation along wind energy conversion system.The peace of misplacing is configured with sliding block 5, each sliding block on each guide rail
Two bearing blocks 6 (shown in Fig. 3) are filled, using radial thrust bearing or zanjon bearing, make the bearing inner race and two leaves in bearing block
After piece rotating shaft connection, it can only be rotated with blade rotor, the axial movement of fixed blade rotor.
Two blade assemblies are as shown in Fig. 2, Fig. 3, and opposite rail its center is arranged symmetrically, at each blade rotor two ends, lead to
Cross bearing and bearing block is arranged on the pedestal of sliding block 5.
Shown in Fig. 2, Fig. 3, two tooth bars 7 that can be engaged with blade rotor gear are revolved by fixed plate 8 installed in wind energy conversion system
The both sides of the upper rail of pivoted frame 10, with guide rail keeping parallelism.
It is emphasized that upper and lower a pair of the gears installed on each blade rotor can only be upper and lower right with guide rail homonymy
The tooth bar answered is contacted and engaged, and ensure forward face windward rotary expansion when, rotating direction of the gear on tooth bar makes blade
Rotating shaft is away from wind energy conversion system rotating shaft center;Similarly, when blade convex surface is drawn in windward, its blade rotor gear is nibbled with its side tooth bar
The rotating direction of conjunction makes blade rotor close to wind energy conversion system rotating shaft center.Therefore on sliding block pedestal, the bearing of two blade rotors
Seat will stagger certain distance installation, occur movement interference with opposite tooth bar to avoid gear on each axle.
Limiting buffer device 9 is provided with guide rail, the stroke and motion for limiting sliding block are buffered.Limiting buffer device can be along
The adjustment position of guide rail 4.
As shown in Figure 2 and Figure 3, two blades 1 constitute one by its rotating shaft 2, gear 3, tooth bar 7, bearing block 6, sliding block 5
Link gear.
In field of wind-force, two blades are simultaneously by the thrust of wind, and concave-blade is generated clockwise to its rotating shaft
Torque, convex surface blade generates torque counterclockwise to its rotating shaft.When wind action power is sufficiently large, concave-blade rotation is opened,
Turn shaft driven gear to rotate clockwise, wheel and rack gear motion, the past direction away from wind energy conversion system center of rotation of driving sliding block 5
It is mobile;At the same time, convex surface blade rotates gathering under wind action, turns shaft driven gear and rotates counterclockwise, wheel and rack
Gear motion, driving sliding block 5 is moved (if the bearing block of two blade rotors is arranged on toward the direction close to wind energy conversion system center of rotation
On same sliding block, two blades open and drawn in and the mobile of upper and lower sliding block 5 will form synchronous interaction), until sliding block is encountered
Untill limiting buffer device 9.Now, concave-blade opens completely, and wind is to blade formation maximum force and maximum arm of force;And it is convex
Face blade rotation is drawn in, and blade front face area reduces, and wind is to blade formation low-force and the minimum arm of force, therefore blade is to wind
Power machine formation EIAJ.
After blade is with wind energy conversion system rotational transform Windward angle, blade, which is exerted oneself, have been reduced, the rotational angle of two blades
Can be with angle windward and the change adjust automatically of live wind direction wind-force, until two blade upwind positions are exchanged, next circulation is opened
Begin.
Fig. 3 show wing arm automatic telescopic design sketch, indicates forward face windward blades and opens, and convex surface windward blades are received
(sliding block deviates turned axle center apart from e) two blade rotors and the variation of wind energy conversion system swivel mount center relative position are imitated after holding together
Really.
Fig. 1 show the wing arm automatic telescopic vertical shaft resistance type windmill being made up of two elementary cells, each basic
Mutually stagger between unit blade 90 degree.As seen from Figure 1, when the blade of a unit, which is rotated to, exerts oneself minimum point, separately
The blade of one unit is just in EIAJ point so that wind energy conversion system being capable of continuously output mechanical energy.
A kind of wing arm automatic telescopic vertical shaft resistance type windmill provided by the present invention is carried out above in detail
Introduce, for those of ordinary skill in the art, according to the thought of the embodiment of the present invention, in embodiment and application
On will change, in summary, this specification content should not be construed as limiting the invention.
Claims (8)
1. a kind of wing arm automatic telescopic vertical shaft resistance type windmill, by blade, blade rotor, gear, tooth bar, guide rail, cunning
Block, sliding block limiting buffer device, fixed plate, wind energy conversion system swivel mount, wind energy conversion system rotary shaft etc. are constituted;In blade side, rotating shaft is set,
Gear is fixed with rotating shaft, blade assembly is constituted;On wind energy conversion system swivel mount, guide rail and cunning are radially arranged along wind energy conversion system rotary shaft
Block, constitutes guide rail slide block component;Tooth bar is arranged on wind energy conversion system swivel mount by fixed plate, constitutes rack and pinion assembly;Blade
Rotating shaft is connected by bearing with corresponding sliding block, formed blade rotor can opposing slider rotate, sliding block can rotate relative to wind energy conversion system
The restriction relation of frame movement;Two blade assemblies are arranged symmetrically with respect to wind energy conversion system center of rotation, are slided by rack-and-pinion and guide rail
Block mechanism mutually links;Sliding block limiting buffer device is used to limit the rotational angle of blade opening and closing and provides buffering.
2. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that described
Blade assembly in, blade is fixedly connected with blade rotor, is respectively fixed with a parameter identical close to each blade rotor two ends
Gear, roller end also leaves the axle journal with bearing fit, the bearing block on connection sliding block.
3. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that described
Guide rail slide block component be arranged on the inside of the upper and lower bottom plate of wind energy conversion system swivel mount, rotate Axial and radial, parallel correspondence peace along wind energy conversion system
Two guide rails are filled, enable blade rotor on the sliding block of upper/lower guide while sliding and vertical with guide rail holding.
4. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that gear
Rack assembly can realize that wing arm is stretched, contracting function is synchronously completed, and specific practice is that tooth bar is arranged in parallel in guide rail both sides, each blade
The gear of component and the engagement of the tooth bar of side, so that sliding block is moved in the same direction along guide rail when two blade rotors are rotated backward.
5. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that described
Blade assembly use in pairs, two blade assemblies symmetrically arranged with respect to wind energy conversion system center of rotation pass through rack-and-pinion and guide rail
Slide block mechanism mutually links, and a blade is turned clockwise around its rotating shaft when opening, corresponds to another blade inverse around its rotating shaft
Hour hands rotation is drawn in, while sliding block drives blade rotor to move a segment distance.
6. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that described
Sliding block limiting buffer device be used to adjust and limit blade and finally open and gathering degree, the impact that simultaneous buffering blade is rotated.
7. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, it is characterised in that one
The elementary cell that practical wind energy conversion system can be made up of the linkage of above-mentioned twayblade is made up of axially stacking, each elementary cell during superposition
Blade guide rail mutually uniformly stagger an angle, and enough spaces are left between two layers of blade up and down, in order to avoid cause blade to turn
Interfering when dynamic.
8. a kind of wing arm automatic telescopic vertical shaft resistance type windmill according to claim 1, the gear used thereon
What rackwork was realized makes wing arm automatic telescopic function, if realizing same work(instead of rack-and-pinion using sprocket wheel link chain mechanism
Can, within present claims protection.
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US11499521B2 (en) | 2019-08-29 | 2022-11-15 | Jun Jin | Power generation device |
CN113898527A (en) * | 2021-10-13 | 2022-01-07 | 南京师范大学中北学院 | Wing arm telescopic vertical axis wind turbine capable of automatically adjusting mass center |
CN113898527B (en) * | 2021-10-13 | 2023-12-01 | 南京师范大学中北学院 | Wing arm telescopic vertical axis wind turbine capable of automatically adjusting mass center |
CN114033615A (en) * | 2021-11-30 | 2022-02-11 | 安徽方永新能源科技有限公司 | Remotely-controllable offshore typhoon-resistant wind power generation equipment |
CN114198260A (en) * | 2021-12-14 | 2022-03-18 | 西南石油大学 | Efficient vertical axis switch reluctance breeze generator |
CN114198260B (en) * | 2021-12-14 | 2024-01-16 | 西南石油大学 | High-efficiency vertical axis switch reluctance breeze generator |
CN114439679A (en) * | 2022-01-18 | 2022-05-06 | 北京航空航天大学 | Vertical axis wind turbine with self-adaptive telescopic adjustment blades |
CN114439679B (en) * | 2022-01-18 | 2024-03-22 | 北京航空航天大学 | Vertical axis wind turbine with self-adaptive telescopic adjustment of blades |
CN114776520A (en) * | 2022-05-19 | 2022-07-22 | 兰州理工大学 | Savonius turbine booster pump |
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