CN109185043A - Wind electricity blade and production technology - Google Patents
Wind electricity blade and production technology Download PDFInfo
- Publication number
- CN109185043A CN109185043A CN201810887913.8A CN201810887913A CN109185043A CN 109185043 A CN109185043 A CN 109185043A CN 201810887913 A CN201810887913 A CN 201810887913A CN 109185043 A CN109185043 A CN 109185043A
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- Prior art keywords
- fragment
- auxiliary leaf
- connecting rod
- leaf fragment
- auxiliary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000005611 electricity Effects 0.000 title claims description 19
- 238000005516 engineering process Methods 0.000 title description 5
- 238000004519 manufacturing process Methods 0.000 title description 4
- 239000012634 fragment Substances 0.000 claims abstract description 193
- 238000000465 moulding Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000010276 construction Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005498 polishing Methods 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- 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
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
-
- 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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
-
- 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
2MW wind turbine blade, including main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and the caudal lobe fragment successively arranged, the main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment are opposition setting two-by-two, and main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment splice installation between any two.Moulding process of the present invention is simple, and molding stability is strong, while convenient for disassembly and assembly, has the advantages that thin blade, low noise, revolving speed are fast.
Description
Technical field
The present invention relates to technical field of wind power generation more particularly to a kind of 2MW wind turbine blade and its productions, molding work
Skill.
Background technique
Blade is that certainty is higher, market capacity is larger in wind power components, profit model clearly industry.As supply and demand is tight
The alleviation of situation is opened, wind electricity blade industry will also occur therewith from heroes' tangled warfare to several transformations contended for hegemony by force, China's wind electricity blade
Industry is undergoing the integration of shuffling an of professional.With the expansion of wind electricity blade market scale, cost and price all will under
Drop, but the entreprise cost decrease speed for having scale, technology and cost advantage will be more than that price reduces speed, and profit is more than average
It is horizontal.Following industry competitive situation requires manufacturer's popularization, cost to reduce and technically keep some superiority.
Wind is a kind of new energy that potentiality are very big, it is that the kinetic energy kept watch switchs to electric energy, as a kind of clean renewable
The energy uses, the increasingly attention by countries in the world.Wind is one of the energy of not public hazards.And it is inexhaustible, uses it
It is inexhaustible.For water shortage, short bunker and the offshore islands having inconvenient traffic, Pastoral Areas, mountain area and plateau band, adaptation to local conditions land productivity
It with wind-power electricity generation, is very suitable to, is well worth doing.And existing 2MW wind turbine blade complex forming technology, generally use one
The fixed structure of formula, stability is lower, is easily damaged, lead to restricted lifetime, and blade rotation is subject in actual motion
Resistance is larger, using it is upper exist it is very big restricted.
Summary of the invention
Easy to damage based on complex forming technology existing for background technique, the service life is short, and blade rotates in actual motion
The larger technical problem of the resistance being subject to, the invention proposes a kind of 2MW wind turbine blade and its moulding process.
2MW wind turbine blade proposed by the present invention, including main lobe fragment, the first auxiliary leaf fragment, second successively arranged
Auxiliary leaf fragment and caudal lobe fragment, the main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment are right two-by-two
It erects and sets, and main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment splice installation between any two；
The wind electricity blade further includes the main force's connecting rod being located along the same line and from power connecting rod, main force's connecting rod connection
Between main lobe fragment and the first auxiliary leaf fragment, and main force's connecting rod is hollow structure, and the inside of main force's connecting rod, which is equipped with, to be reinforced
Structure, it is described to be connected between the second auxiliary leaf fragment and caudal lobe fragment from power connecting rod.
Preferably, the main lobe fragment, the first auxiliary leaf fragment and the second auxiliary leaf fragment are ladder structure of right angle, and main lobe
Fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment width successively successively decrease.
Preferably, multiple water conservancy diversion are equipped on the outer wall of the main lobe fragment, the first auxiliary leaf fragment and the second auxiliary leaf fragment
Item, and flow guide bar tilts arrangement towards the side of caudal lobe fragment.Flow guide bar can be designed in a manner of being similar to straight line, in order to
Manufacture and processing.And linear design scheme is also conducive to the stable operation of blade.
Preferably, the side of the main lobe fragment, the first auxiliary leaf fragment and the second auxiliary leaf fragment offers multiple first
Screw hole, the main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment the other side be equipped with mounting plate, institute
It states and offers the second screw hole corresponding with the first screw hole on mounting plate, and the first screw hole and the second screw hole are connected by screw to.
Preferably, the outer end face of the caudal lobe fragment is arcuate structure, and the side of one of caudal lobe fragment offers more
A third screw hole, the side of another caudal lobe fragment is welded with multiple mounting blocks, and third screw hole and mounting blocks are connected by screw
It connects.
Preferably, the main lobe fragment, the first auxiliary leaf fragment and the second auxiliary leaf fragment are tilted structure, and main lobe divides
Piece, the first auxiliary leaf fragment and the second auxiliary leaf fragment are respectively corresponded close to the side width and thickness of main force's connecting rod greater than main lobe point
Piece, the first auxiliary leaf fragment and the second side width and thickness of the auxiliary leaf fragment far from main force's connecting rod, it is the main lobe fragment, first auxiliary
Leaf fragment, the second auxiliary leaf fragment and the close side of two two-phase of caudal lobe fragment offer installation main force's connecting rod and from power connecting rods
Semicircle orifice.
Preferably, the ruggedized construction is made of the staggered support portion of multiple groups and firm portion, and the support portion is by position
It is constituted in the round bar of main force's connecting rod center and multiple support rods for being equidistantly arranged in round bar periphery, the firm portion is by more
A A-frame is constituted, and wherein A-frame is set to the interval between support rod two-by-two, support rod and A-frame far from circle
The side of bar is equipped with buttstrap.
The invention also provides the moulding process of 2MW wind turbine blade, comprising the following steps:
S1: the molding of leaf fragment: divided using main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe is respectively corresponded
The mold of piece, is molded the leaf fragment of four kinds of different volumes and shape, and is polished, deburring processing；
S2: leaf fragment is reinforced: according to the molding section demand of leaf fragment, the water conservancy diversion for multiple and different length and diameters of polishing
Item welds together flow guide bar along the inclined direction of main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment；
S3: leaf partition machining: in an end face of main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment
Multiple first screw holes are bored, mounting plate is welded in other end, and bores multiple second screw holes on a mounting board, in main lobe fragment, first
The 4th screw hole is bored in a close end face two-by-two for auxiliary leaf fragment, the second auxiliary leaf fragment, and connects in the end face punching press of the contact installation main force
Bar and semicircle orifice from power connecting rod, while multiple mounting blocks are welded in the side of a piece of caudal lobe fragment, in mounting blocks and another
Multiple third screw holes are bored on caudal lobe fragment；
S4: the molding of stress connecting rod: pouring hollow main force's connecting rod in a mold under hot conditions, and using cold water sizing three to
Five times, the interior outer end face of main force's connecting rod is polished smooth；
S5: it ruggedized construction molding: using the mold for respectively corresponding support rod and A-frame, is molded multiple mutually isostructural
Support rod and A-frame, multiple round bars of polishing, and three to six support rods are equidistantly welded on the outer wall of round bar, then right
The quantity of support rod is answered to weld together A-frame two-by-two, according to the length requirement of main force's connecting rod with one group of round bar and support
Bar, one group of A-frame mode be welded on the inside of main force's connecting rod；
S6: wind electricity blade assembling: main lobe fragment, the first auxiliary leaf fragment, the second auxiliary leaf fragment and caudal lobe fragment are symmetrically put
Set in main force's connecting rod and from the two sides of power connecting rod, and leaf fragment is fitted together two-by-two, finally by leaf fragment and main force's connecting rod,
It is fixedly mounted from power connecting rod, completes the molding mounting process of wind electricity blade.
In the present invention, the 2MW wind turbine blade and its moulding process are by tearing traditional integral type wind electricity blade open
It is divided into multiple main lobe fragments, auxiliary leaf fragment and stress connecting rod, one side easy disassembly, is conducive to shipment, on the other hand benefit
With a combination thereof mounting structure, cooperate flow guide bar guidance wind-force trend, to reduce the resistance and abrasion that wind electricity blade is subject to, improving should
The firm performance and used life of wind electricity blade.The present invention is ingenious in design, and moulding process is simple, and molding stability is strong, together
When it is convenient for disassembly and assembly, have the advantages that thin blade, low noise, revolving speed are fast, be worthy to be popularized.
Detailed description of the invention
Fig. 1 is the overlooking structure diagram of 2MW wind turbine blade proposed by the present invention；
Fig. 2 is that structural schematic diagram is cutd open in the side of main force's connecting rod of 2MW wind turbine blade proposed by the present invention；
Fig. 3 is the cross-sectional view of the leaf fragment of 2MW wind turbine blade proposed by the present invention；
Fig. 4 is main force's connecting rod of 2MW wind turbine blade proposed by the present invention and the side structure schematic view from power connecting rod.
In figure: 1 main lobe fragment, 2 first auxiliary leaf fragments, 3 second auxiliary leaf fragments, 4 caudal lobe fragments, 5 main force's connecting rods, 6 are from power
Connecting rod, 7 first screw holes, 8 mounting plates, 9 second screw holes, 10 flow guide bars, 11 third screw holes, 12 mounting blocks, 13 the 4th screw holes, 14 half
Circular hole, 51 round bars, 52 support rods, 53 A-frames, 54 buttstraps.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
Referring to Fig.1-4,2MW wind turbine blade and its moulding process, the main lobe fragment 1, first including successively arranging are auxiliary
Leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe fragment 4, main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe
Fragment 4 is opposition setting two-by-two, and main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe fragment 4 are two-by-two
Between splice installation；
Wind electricity blade further includes the main force's connecting rod 5 being located along the same line and from power connecting rod 6, and main force's connecting rod 5 is connected to master
Between leaf fragment 1 and the first auxiliary leaf fragment 2, and main force's connecting rod 5 is hollow structure, and the inside of main force's connecting rod 5 is equipped with ruggedized construction,
It is connected between the second auxiliary leaf fragment 3 and caudal lobe fragment 4 from power connecting rod 6；
Its moulding process the following steps are included:
S1: it the molding of leaf fragment: uses and respectively corresponds main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe
The mold of fragment 4, is molded the leaf fragment of four kinds of different volumes and shape, and is polished, deburring processing；
S2: leaf fragment is reinforced: according to the molding section demand of leaf fragment, the flow guide bar for multiple and different length and diameters of polishing
10, flow guide bar 10 is welded together along the inclined direction of main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3；
S3: leaf partition machining: the one of main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe fragment 4
Multiple first screw holes 7 are bored in end face, and mounting plate 8 is welded in other end, and multiple second screw holes 9 are bored on mounting plate 8, in main lobe point
The 4th screw hole 13 is bored in a close end face two-by-two for piece 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3, and rushes in the end face of contact
Pressure installation main force's connecting rod 5 and the semicircle orifice 14 from power connecting rod 6, while multiple mounting blocks are welded in the side of a piece of caudal lobe fragment 4
12, multiple third screw holes 11 are bored on mounting blocks 12 and another caudal lobe fragment 4；
S4: the molding of stress connecting rod: hollow main force's connecting rod 5 is poured under hot conditions in a mold, and utilizes cold water sizing three
To five times, the interior outer end face of main force's connecting rod 5 is polished smooth；
S5: using the mold for respectively corresponding support rod 52 and A-frame 53, multiple identical knots ruggedized construction molding: are molded
The support rod 52 and A-frame 53 of structure, multiple round bars 51 of polishing, and three to six support rods 52 are equidistantly welded on round bar
On 51 outer wall, then the quantity of corresponding support rod 52 welds together A-frame 53 two-by-two, according to the length of main force's connecting rod 5
Demand is welded on the inside of main force's connecting rod 5 in a manner of 52, one groups of A-frames 53 of one group of round bar 51 and support rod；
S6: wind electricity blade assembling: main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe fragment 4 is right
Title is placed on main force's connecting rod 5 and fits together two-by-two from the two sides of power connecting rod 6, and by leaf fragment, finally by leaf fragment and master
Power connecting rod 5 is fixedly mounted from power connecting rod 6, completes the molding mounting process of wind electricity blade.
It is worth noting that, main lobe fragment 1, the first auxiliary leaf fragment 2 and the second auxiliary leaf fragment 3 are right angle in the present embodiment
Trapezium structure, and the width of main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 successively successively decreases, main lobe fragment 1, first
It is equipped with multiple flow guide bars 10 on the outer wall of auxiliary leaf fragment 2 and the second auxiliary leaf fragment 3, and flow guide bar 10 is towards caudal lobe fragment 4
Side inclination arrangement, can guide wind-force to move towards, to reduce the resistance and abrasion that wind electricity blade is subject to, improve the wind electricity blade
Firm performance and used life.
The side of main lobe fragment 1, the first auxiliary leaf fragment 2 and the second auxiliary leaf fragment 3 offers multiple first screw holes 7, main
Leaf fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe fragment 4 the other side be equipped with mounting plate 8, on mounting plate 8
Second screw hole 9 corresponding with the first screw hole 7 is offered, and the first screw hole 7 and the second screw hole 9 are connected by screw to, caudal lobe fragment 4
Outer end face be arcuate structure, the side of one of caudal lobe fragment 4 offers multiple third screw holes 11, another caudal lobe fragment
4 side is welded with multiple mounting blocks 12, and third screw hole 11 is connected by screw to mounting blocks 12, and main lobe fragment 1, first is auxiliary
Leaf fragment 2 and the second auxiliary leaf fragment 3 are tilted structure, and main lobe fragment 1, the first auxiliary leaf fragment 2 and the second auxiliary leaf fragment 3
It respectively corresponds close to the side width and thickness of main force's connecting rod 5 greater than main lobe fragment 1, the first auxiliary leaf fragment 2 and the second auxiliary leaf point
Side width and thickness of the piece 3 far from main force's connecting rod 5, main lobe fragment 1, the first auxiliary leaf fragment 2, the second auxiliary leaf fragment 3 and caudal lobe
The close side of 4 liang of two-phases of fragment offers installation main force's connecting rod 5 and the semicircle orifice 14 from power connecting rod 6, for assembling the main force
Connecting rod 5 and from power connecting rod 6 and leaf fragment.
Ruggedized construction is made of the staggered support portion of multiple groups and firm portion, and support portion is by being located at 5 center of main force's connecting rod
The round bar 51 of position and multiple support rods 52 for being equidistantly arranged in 51 periphery of round bar are constituted, and consolidate portion by multiple A-frames 53
It constitutes, wherein A-frame 53 is set to the interval between support rod 52 two-by-two, and support rod 52 and A-frame 53 are far from round bar
51 side is equipped with buttstrap 54, and stress connecting rod is reinforced using the stable triangular of A-frame 53, guarantees entire wind
Electric blade is smoothly run, and blade is thin, low noise, revolving speed are fast.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (4)
1.2MW wind turbine blade, including successively arrange main lobe fragment (1), the first auxiliary leaf fragment (2), the second auxiliary leaf fragment
(3) and caudal lobe fragment (4), which is characterized in that the main lobe fragment (1), the first auxiliary leaf fragment (2), the second auxiliary leaf fragment (3) and
Caudal lobe fragment (4) is opposition setting, and main lobe fragment (1), the first auxiliary leaf fragment (2), the second auxiliary leaf fragment (3) and tail two-by-two
Leaf fragment (4) splices installation between any two；
The wind electricity blade further includes the main force's connecting rod (5) being located along the same line and from power connecting rod (6), main force's connecting rod
(5) it is connected between main lobe fragment (1) and the first auxiliary leaf fragment (2), and main force's connecting rod (5) is hollow structure, the main force connects
The inside of bar (5) is equipped with ruggedized construction, it is described from power connecting rod (6) be connected to the second auxiliary leaf fragment (3) and caudal lobe fragment (4) it
Between.
2. 2MW wind turbine blade according to claim 1, which is characterized in that the main lobe fragment (1), the first auxiliary leaf
Fragment (2) and the second auxiliary leaf fragment (3) are ladder structure of right angle, and main lobe fragment (1), the first auxiliary leaf fragment (2), second auxiliary
The width of leaf fragment (3) successively successively decreases.
3. caudal lobe fragment according to claim 1, which is characterized in that the outer end face of caudal lobe fragment (4) is arcuate structure,
In the side of a caudal lobe fragment (14) offer multiple third screw holes (11), the side of another caudal lobe fragment (14) is welded with
Multiple mounting blocks (12), and third screw hole (11) is connected by screw to mounting blocks (12).
4. the moulding process of 2MW wind turbine blade according to claim 1-3, which is characterized in that successively wrap
Include following steps: the molding of leaf fragment, leaf fragment are reinforced, leaf partition machining, the molding of stress connecting rod, ruggedized construction molding, wind-powered electricity generation leaf
Piece assembling etc..
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887913.8A CN109185043A (en) | 2018-08-06 | 2018-08-06 | Wind electricity blade and production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810887913.8A CN109185043A (en) | 2018-08-06 | 2018-08-06 | Wind electricity blade and production technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109185043A true CN109185043A (en) | 2019-01-11 |
Family
ID=64920680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810887913.8A Pending CN109185043A (en) | 2018-08-06 | 2018-08-06 | Wind electricity blade and production technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109185043A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149043A (en) * | 2007-11-01 | 2008-03-26 | 北京双帆科技有限公司 | Production process for longitudinal segmental vane production of vertical shaft wind power generator |
| CN201502483U (en) * | 2009-07-13 | 2010-06-09 | 浙江恒通机械有限公司 | Fan blade of wind turbine |
| CN101876292A (en) * | 2009-04-28 | 2010-11-03 | 通用电气公司 | Segmented wind turbine blade |
| CN102011711A (en) * | 2010-12-06 | 2011-04-13 | 济南轨道交通装备有限责任公司 | Sectionalized-assembly type fan blade and manufacturing method thereof |
| WO2012119771A3 (en) * | 2011-03-10 | 2012-11-15 | Voith Patent Gmbh | Rotor arrangement for an axial turbine and a method for mounting same |
| WO2016048148A1 (en) * | 2014-09-23 | 2016-03-31 | Viventus Holding B.V. | Segmented wind turbine blade and bushing for use in a wind turbine blade |
| CN107288813A (en) * | 2017-06-22 | 2017-10-24 | 吴德礼 | A kind of wind power generation blade |
-
2018
- 2018-08-06 CN CN201810887913.8A patent/CN109185043A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149043A (en) * | 2007-11-01 | 2008-03-26 | 北京双帆科技有限公司 | Production process for longitudinal segmental vane production of vertical shaft wind power generator |
| CN101876292A (en) * | 2009-04-28 | 2010-11-03 | 通用电气公司 | Segmented wind turbine blade |
| CN201502483U (en) * | 2009-07-13 | 2010-06-09 | 浙江恒通机械有限公司 | Fan blade of wind turbine |
| CN102011711A (en) * | 2010-12-06 | 2011-04-13 | 济南轨道交通装备有限责任公司 | Sectionalized-assembly type fan blade and manufacturing method thereof |
| WO2012119771A3 (en) * | 2011-03-10 | 2012-11-15 | Voith Patent Gmbh | Rotor arrangement for an axial turbine and a method for mounting same |
| WO2016048148A1 (en) * | 2014-09-23 | 2016-03-31 | Viventus Holding B.V. | Segmented wind turbine blade and bushing for use in a wind turbine blade |
| CN107288813A (en) * | 2017-06-22 | 2017-10-24 | 吴德礼 | A kind of wind power generation blade |
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Application publication date: 20190111 |
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