CN102011711B - Sectionalized-assembly type fan blade and manufacturing method thereof - Google Patents

Sectionalized-assembly type fan blade and manufacturing method thereof Download PDF

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Publication number
CN102011711B
CN102011711B CN201010573711XA CN201010573711A CN102011711B CN 102011711 B CN102011711 B CN 102011711B CN 201010573711X A CN201010573711X A CN 201010573711XA CN 201010573711 A CN201010573711 A CN 201010573711A CN 102011711 B CN102011711 B CN 102011711B
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China
Prior art keywords
chute
fan blade
guide rail
fitting
interface
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Expired - Fee Related
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CN201010573711XA
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Chinese (zh)
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CN102011711A (en
Inventor
刘勇
于良峰
吴树梁
何金海
周传海
崔建军
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CRRC Wind Power Shandong Co Ltd
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Jinan Railway Vehicles Equipment Co Ltd
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Priority to CN201010573711XA priority Critical patent/CN102011711B/en
Publication of CN102011711A publication Critical patent/CN102011711A/en
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Publication of CN102011711B publication Critical patent/CN102011711B/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The invention discloses a sectionalized-assembly type fan blade and a manufacturing method thereof. The fan blade comprises a blade body, wherein the blade body is at least divided into two sections which are respectively provided with an abutting surface; and the abutting surfaces between adjacent sectionalized blade bodies are fitted and connected. The invention has the beneficial effects that sectionalized manufacture can be conducted without larger dies, thereby saving workshop cost and manufacturing cost; sectionalized transport and storage can be realized, thereby being more convenient; and each sectionalized-assembly is more convenient and the assembly is firmer, thereby being safe to use.

Description

A kind of sectional formula fan blade and manufacture method thereof
Technical field
The invention belongs to the wind-driven generator technical applications, particularly a kind of sectional formula fan blade and manufacture method thereof of using at high-power wind-driven generator.
Background technology
At present, the Wind Power Development impetus is swift and violent, and blade is also increasing as important composition component demand amount in the blower fan.In general, the larger blower fan length of blade of wind-power electricity generation acc power is longer, along with horizontal axis wind-driven generator to high-power development, therefore the length of fan blade is also more and more longer, the length of fan blade has reached more than 50 meter, even longer, and needed mould is larger when making fan blade, plant area is large, manufacture difficulty is large, cost is high but large mould takies, and affects the development of manufacturing enterprise.While is larger owing to long fan blade takes up room, so that fan blade transports and stores all very inconvenient.The fan blade that does not also address this problem preferably in the market and manufacture method thereof.
Summary of the invention
For solving above technical deficiency, the invention provides a kind of transportation and sectional formula fan blade and manufacture method thereof easy to assembly.
The present invention is achieved by the following measures:
A kind of sectional formula of the present invention fan blade comprises blade body, and described blade body is divided into two sections that are provided with interface at least, and the interface between the adjacent segment blade body cooperatively interacts and connects.
The guide rail that is respectively arranged with chute and matches with chute on two interfaces that are connected of above-mentioned adjacent two sections blade body; When assembling, described guide rail embeds in the chute and with chute and is connected by bolt.
Above-mentioned blade body hollow, chute and guide rail are trapezoidal and are fixed on the interface; Can increase like this resistance of guide rail in chute, improve fastness.Also having reduced cost also can conveniently fix bolt by hollow space.
The above-mentioned chute that is connected and guide rail bottom are provided with the bolt hole that matches up and down behind guide rail embedding chute, can make things convenient for bolt to fix.
Scribble adhesive on the contact-making surface of above-mentioned chute and guide rail, the fastness that the bonding increase by adhesive connects.
The above-mentioned interface edge that is connected is provided with groove, is filled with filler in the described groove, and the outside is surrounded by outer applying band, and not only increasing fastness does not also affect the attractive in appearance of outward appearance.
A kind of manufacture method of sectional formula fan blade claimed in claim 1 may further comprise the steps:
A. determine hop count and the size of segmentation fan blade, prepare built-in fitting and mould;
B. built-in fitting is embedded in corresponding interface position, adopts the die perfusion moulding;
C. each section fan blade after the moulding is fixing in the interface docking by built-in fitting;
D. with slit, outside encapsulation process between interface.
Preferably, above-mentioned built-in fitting is trapezoidal chute and the guide rail that matches, and in step c, the docking of adjacent segment blade body adopts the minor face of guide rail to slip into gradually chute and the final mode that overlaps from the long limit of chute, and with bolt that guide rail and chute is fixing up and down.
Above-mentioned in step c, the contact-making surface of chute and guide rail is further bonding by adhesive, improves connectivity robustness.
Above-mentioned in steps d, packing material on the gap filling of the interface outside, and the band of fitting outside outside the winding reach the blade integral outer surface smooth.
The invention has the beneficial effects as follows: 1. can segmentation make, do not need larger mould, save factory building and manufacturing cost.2. segmentation is transported and stored, and is more convenient.3. each section assembling is more convenient and assembling is more firm, uses safety.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the perspective view of one section blade body of the present invention.
Fig. 3 be the present invention with Fig. 2 in the adjacent one section blade body perspective view that is connected.
Fig. 4 be Fig. 2 be connected with Fig. 3 joint face connect after structural representation.
Fig. 5 is B-B cross-sectional view among Fig. 4.
Among the figure: 1 root of blade, 2 outer applying bands, 3 blades middle part, 4 vane tips, 5 chutes, 6 bolts hole, 7 guide rails, 8 bolts, 9 adhesives, 10 grooves.
The specific embodiment
A kind of sectional formula fan blade of the present invention comprises blade body, and described blade body is divided into two sections that are provided with interface at least, and the interface between the adjacent segment blade body cooperatively interacts and connects.The guide rail 7 that is respectively arranged with chute 5 and matches with chute 5 on two interfaces that are connected of adjacent two sections blade body; When assembling, described guide rail 7 embeds in the chute 5 and with chute 5 and is connected by bolt 8.
Now further specify with accompanying drawing in conjunction with the embodiments, be divided into three sections as the example explanation take a minute blade body.
As shown in Figure 1, blade body is divided into root of blade 1, blade middle part 3 and vane tip 4.Shown in Fig. 2,3,4,5, blade body hollow, the inclined plane of adjacent two sections blade body ends is provided with chute 5 as interface on the interface among Fig. 2, be provided with the guide rail 7 that matches with chute 5 on the interface among Fig. 3.Chute 5 and guide rail 7 are trapezoidal, and the outward flange of chute 5 sides is higher than the side inward flange, and the inward flange of side is concordant with chute 5 bottoms, and the minor face of chute 5 is all concordant with chute 5 bottoms with long limit outer edge.Chute 5 and guide rail 7 bottoms are provided with bolt hole 6.When assembling, two interfaces connect, and guide rail 7 embeds in the chute 5, and its bolt hole 6 matches simultaneously, again bolt 8 is penetrated bolt hole 6, thus connection guide rail 7 and chute 5.Scribble adhesive 9 on the contact-making surface of chute 5 and guide rail 7, with adhesive 9 it is cemented again after guide rail 7 embeds in the chutes 5.The interface edge that is connected is provided with groove 10, is filled with filler in the groove 10, and the outside is surrounded by outer applying band, the general employing of the filler material identical with the material of blade itself.
The manufacture method of sectional formula fan blade of the present invention may further comprise the steps:
A. determine hop count and the size of segmentation fan blade, prepare built-in fitting and mould;
B. built-in fitting is embedded in corresponding interface position, adopts the die perfusion moulding;
C. each section fan blade after the moulding is fixing in the interface docking by built-in fitting;
D. with slit, outside encapsulation process between interface.
Characteristic according to blade designs blade section, and then the hop count of definite segmentation fan blade and size.Built-in fitting in above-mentioned is trapezoidal chute 5 and the guide rail 7 that matches, and keeps certain quality of fit.The docking of adjacent segment blade body adopts the minor face of guide rail to slip into gradually chute and the final mode that overlaps from the long limit of chute, and with bolt that guide rail and chute is fixing up and down.The contact-making surface coated with adhesive 9 of chute 5 and guide rail 7 further cements by adhesive 9 again.In steps d, packing material on the gap filling of the interface outside, and the band of fitting outside outside the winding.
Above-described embodiment is described to be to specify this patent; though describe by specific term in the literary composition; but can not limit with this protection domain of this patent; being familiar with the personage of this technical field can be after the spirit of understanding this patent and principle change or revises it and reach equivalent purpose; and this equivalence change and modification all should be covered by the claim scope and define in the category.

Claims (3)

1. the manufacture method of a sectional formula fan blade is characterized in that, may further comprise the steps:
A. determine hop count and the size of segmentation fan blade, prepare built-in fitting and mould;
B. built-in fitting is embedded in corresponding interface position, adopts the die perfusion moulding;
C. each section fan blade after the moulding is fixing in the interface docking by built-in fitting;
D. with slit, outside encapsulation process between interface;
Described built-in fitting is trapezoidal chute and the guide rail that matches, and in step c, the docking of adjacent segment blade body adopts the minor face of guide rail to slip into gradually chute and the final mode that overlaps from the long limit of chute, and with bolt that guide rail and chute is fixing up and down.
2. the manufacture method of sectional formula fan blade according to claim 1 is characterized in that: in step c, the contact-making surface of chute and guide rail is further bonding by adhesive.
3. the manufacture method of sectional formula fan blade according to claim 1 is characterized in that: in steps d, and packing material on the gap filling of the interface outside, and outsidely twine the outer band of fitting.
CN201010573711XA 2010-12-06 2010-12-06 Sectionalized-assembly type fan blade and manufacturing method thereof Expired - Fee Related CN102011711B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201010573711XA CN102011711B (en) 2010-12-06 2010-12-06 Sectionalized-assembly type fan blade and manufacturing method thereof

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Application Number Priority Date Filing Date Title
CN201010573711XA CN102011711B (en) 2010-12-06 2010-12-06 Sectionalized-assembly type fan blade and manufacturing method thereof

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CN102011711B true CN102011711B (en) 2013-01-16

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529092B (en) * 2012-02-17 2014-12-31 北京可汗之风科技有限公司 Method for lengthening wind power blade
CN103240878B (en) * 2013-05-17 2016-07-06 国电联合动力技术(连云港)有限公司 Connecting method of sectional type blade mould
DE102014220249A1 (en) * 2014-10-07 2016-04-07 Wobben Properties Gmbh Rotor blade of a wind turbine
CN109185043A (en) * 2018-08-06 2019-01-11 中材科技(邯郸)风电叶片有限公司 Wind electricity blade and production technology
CN111577528B (en) * 2020-05-25 2021-03-26 湖南翰坤实业有限公司 Wind power generation device and installation method of wind power generation blades
CN111577529B (en) * 2020-05-25 2021-04-30 湖南翰坤实业有限公司 Wind power generation blade and installation method thereof

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Publication number Priority date Publication date Assignee Title
CN2908843Y (en) * 2006-05-19 2007-06-06 王文长 Blade structure of wind power generation
CN101463794A (en) * 2007-12-19 2009-06-24 通用电气公司 Multi-segment wind turbine blade and method for assembling the same
CN101718250A (en) * 2010-01-11 2010-06-02 华锐风电科技(集团)股份有限公司 Sectional type wind wheel vanes of wind power generator set and assembly method thereof
CN201502483U (en) * 2009-07-13 2010-06-09 浙江恒通机械有限公司 Fan blade of wind turbine
CN201865836U (en) * 2010-12-06 2011-06-15 济南轨道交通装备有限责任公司 Sectioned-assembly type fan blade

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2375564T3 (en) * 2004-06-30 2012-03-02 Vestas Wind Systems A/S ASPAS OF WIND TURBINES CONSTITUTED BY TWO SEPARATE SECTIONS.
US8221085B2 (en) * 2007-12-13 2012-07-17 General Electric Company Wind blade joint bonding grid
DE102008038620A1 (en) * 2008-06-27 2009-12-31 Powerblades Gmbh Method and manufacturing method for manufacturing a rotor blade for a wind energy plant

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2908843Y (en) * 2006-05-19 2007-06-06 王文长 Blade structure of wind power generation
CN101463794A (en) * 2007-12-19 2009-06-24 通用电气公司 Multi-segment wind turbine blade and method for assembling the same
CN201502483U (en) * 2009-07-13 2010-06-09 浙江恒通机械有限公司 Fan blade of wind turbine
CN101718250A (en) * 2010-01-11 2010-06-02 华锐风电科技(集团)股份有限公司 Sectional type wind wheel vanes of wind power generator set and assembly method thereof
CN201865836U (en) * 2010-12-06 2011-06-15 济南轨道交通装备有限责任公司 Sectioned-assembly type fan blade

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Owner name: CNR WIND POWER CO., LTD.

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Effective date: 20140804

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Address after: 250101 Century Avenue, Ji'nan high tech Zone, Shandong, No. 3666

Patentee after: CNR Wind Power Co., Ltd.

Address before: Huai Village Street Huaiyin District of Ji'nan city of Shandong Province, No. 73 250022

Patentee before: Jinan Rail Traffic Equipment Co., Ltd.

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130116

Termination date: 20171206

CF01 Termination of patent right due to non-payment of annual fee