DK178347B1 - Vindmøllefastgørelsesudformning med affladede bolte - Google Patents

Vindmøllefastgørelsesudformning med affladede bolte Download PDF

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Publication number
DK178347B1
DK178347B1 DK201170300A DKPA201170300A DK178347B1 DK 178347 B1 DK178347 B1 DK 178347B1 DK 201170300 A DK201170300 A DK 201170300A DK PA201170300 A DKPA201170300 A DK PA201170300A DK 178347 B1 DK178347 B1 DK 178347B1
Authority
DK
Denmark
Prior art keywords
bolt
wind turbine
diameter
bolts
strength
Prior art date
Application number
DK201170300A
Other languages
English (en)
Inventor
Eric M Jacobsen
Original Assignee
Gen Electric
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Gen Electric filed Critical Gen Electric
Publication of DK201170300A publication Critical patent/DK201170300A/da
Application granted granted Critical
Publication of DK178347B1 publication Critical patent/DK178347B1/da

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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
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • 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
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • 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

Claims (12)

1. Vindmølle (10) omfattende: en flerhed af vindmøllevinger (16), hvor hver af vingerne har en rodflange (50), derer forbundet med en flange (52) af et rotomav (18) ved hjælp af en flerhed af vingebolte (55),der er anbragt periferisk med afstand til hinanden; hvor hver vingebolt (55) omfatter: modsatte cylindriske endeafsnit (56), der er i indgreb i henholdsvisrotomavsflangen (52) og vingerodsflangen (50); kendetegnet ved en ikke-cylindrisk stamme (60), der strækker sig mellem decylindriske endeafsnit (56); og mindst en affladet side (62), der er defineret i stammen (60) langs enlangsgående akse (61) af bolten.
2. Vindmølle (10) ifølge krav 1, hvor stammen (60) omfatter modsat vendendeaffladede sider (62).
3. Vindmølle (10) ifølge krav 2, hvor de affladede sider (62) ligger i parallelle planerlangs boltens langsgående akse.
4. Vindmølle (10) ifølge krav 2 eller 3, hvor boltene (55) er roterbart positioneret,således at de affladede sider (62) er på linje med en akse (63), der er tangentiel i forhold tilrotomavsflangen (52) på hvert sted af en respektiv bolt (55).
5. Vindmølle (10) ifølge krav 2, 3 eller 4, hvor stammen (60) har afrundedesidekanter (66) med en diameter (64) målt mellem sidekanteme og en tykkelse (68) måltvinkelret på de affladede sider.
6. Vindmølle (10) ifølge krav 4 eller 5, hvor tykkelsen (68) ved diameteren (64) erdefineret til at forøge boltens (50) udmattelsesstyrke uden at reducere ekstremlaststyrken.
7. Vindmølle (10) ifølge krav 6, hvor tykkelsen (68) ved diameteren (64) er definerettil at maksimere boltens (50) udmattelsesstyrke uden at reducere ekstremlaststyrken.
8. Vindmølle (10) ifølge krav 6, hvor boltene (50) er dannet og diameteren (64)generelt er lig en nominel milediameter af bolten (50).
9. Vindmølle (10) ifølge krav 6, hvor boltene (50) er dannet og diameteren (64)generelt er lig en nominel rullediameter af bolten, og hvor tykkelsen (68) ved diameteren erdefineret til at forøge boltens udmattelsesstyrke uden at reducere ekstremlaststyrken medmere end ca. 5,0%.
10. Vindmølle (10) ifølge krav 9, hvor tykkelsen (68) er defineret til at forøge boltens(50) udmattelsesstyrke med mindst 10% uden at reducere ekstremlaststyrken med mere endca. 1,0%.
11. Vindmølle (10) ifølge krav 6, hvor boltene (50) er dannet og diameteren (64)generelt er lig en nominel rullediameter af bolten, og hvor tykkelsen (68) ved diameteren erdefineret til at forøge boltens ekstremlaststyrke uden at reducere udmattelsesstyrken medmere end ca. 10,0%.
12. Vindmølle (10) ifølge krav 11, hvor tykkelsen (68) er defineret til at forøgeboltens ekstremlaststyrke med mindst 10% uden at reducere udmattelsesstyrken med mereend ca. 1,0%.
DK201170300A 2010-06-17 2011-06-15 Vindmøllefastgørelsesudformning med affladede bolte DK178347B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81758610 2010-06-17
US12/817,586 US8025485B2 (en) 2010-06-17 2010-06-17 Wind turbine blade attachment configuration with flattened bolts

Publications (2)

Publication Number Publication Date
DK201170300A DK201170300A (en) 2011-12-18
DK178347B1 true DK178347B1 (da) 2016-01-04

Family

ID=44143138

Family Applications (1)

Application Number Title Priority Date Filing Date
DK201170300A DK178347B1 (da) 2010-06-17 2011-06-15 Vindmøllefastgørelsesudformning med affladede bolte

Country Status (4)

Country Link
US (1) US8025485B2 (da)
CN (1) CN102287320B (da)
DE (1) DE102011050966A1 (da)
DK (1) DK178347B1 (da)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2568162B1 (de) * 2011-09-07 2015-12-23 Nordex Energy GmbH Windenergieanlage mit einer auf einem Turm angeordneten Gondel mit einem Übergang vom Dach der Gondel in den Rotor
US9261074B2 (en) * 2012-11-16 2016-02-16 General Electric Company Variable bolt parameters for a wind turbine rotor blade
DE102013003634B4 (de) 2013-03-05 2022-10-20 Nordex Energy Se & Co. Kg Windenergieanlagenrotorblatt mit einem Blattanschlussbereich
US9464622B2 (en) 2013-05-31 2016-10-11 General Electric Company Rotor blade assembly having a stiffening root insert
US9745956B2 (en) 2014-12-10 2017-08-29 General Electric Company Spar cap for a wind turbine rotor blade
DE102014018280A1 (de) * 2014-12-12 2016-06-16 Rwe Innogy Gmbh Befestigungsvorrichtung zur Befestigung eines Rotorblattes an einer Rotornabe einer Windkraftanlage
DK3034862T3 (da) 2014-12-15 2019-08-12 Ge Renewable Tech Wind Bv Sammenboltet fastgørelse til at fastgøre vindmølledele
US10190571B2 (en) 2015-07-01 2019-01-29 General Electric Company Ring insert for a wind turbine rotor blade
WO2017087830A1 (en) * 2015-11-18 2017-05-26 Visser Kenneth D Aft rotor ducted wind turbine
CN108603484B (zh) * 2015-12-14 2020-03-13 维斯塔斯风力系统有限公司 用于将风轮机转子叶片连接至转子轮毂的接头及相关方法
DE102016000291A1 (de) 2016-01-15 2017-07-20 Senvion Gmbh Verfahren zum Herstellen einer Flanschverbindung, Verwendung, Flanschverbindung und Windenergieanlage
US10677216B2 (en) 2017-10-24 2020-06-09 General Electric Company Wind turbine rotor blade components formed using pultruded rods
DE102017126970A1 (de) * 2017-11-16 2019-05-16 Wobben Properties Gmbh Rotorblatt und Rotor für eine Windenergieanlage, Windenergieanlage, Verfahren zur Herstellung eines Rotorblatts, zur Verbindung eines Rotorblatts mit einer Rotornabe und zur Reparatur eines Rotors einer Windenergieanlage
BR112020009468B1 (pt) 2017-11-16 2023-12-05 Wobben Properties Gmbh Pá de rotor, pá de rotor montada, rotor para uma turbina eólica, turbina eólica, e, métodos para produzir uma pá de rotor, para conectar uma pá de rotor a um cubo de rotor e para reparar um rotor de uma turbina eólica
US11738530B2 (en) 2018-03-22 2023-08-29 General Electric Company Methods for manufacturing wind turbine rotor blade components
ES2918026T3 (es) * 2018-04-16 2022-07-13 Nordex Energy Se & Co Kg Cojinete para una pala de rotor de turbina eólica, inserto de pestaña, pala de rotor de turbina eólica y turbina eólica
US11168726B2 (en) 2018-05-01 2021-11-09 Textron Innovations Inc. Reduced shank fasteners
CN109236561B (zh) * 2018-11-30 2023-11-14 国电联合动力技术有限公司 低风速风电机组螺栓智能布局设计方法、装置及风电机组
CN110795875B (zh) * 2019-10-14 2023-05-09 太原科技大学 一种风机轴-齿轮箱法兰连接校核方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338054A (en) * 1979-11-19 1982-07-06 Dahl Norman C Solid externally threaded fasteners having greatly increased ductility
WO2001042647A2 (en) * 1999-12-09 2001-06-14 Aerpac Holding B.V. Wind turbine rotor, and hub and extender therefor
WO2009047121A2 (en) * 2007-10-09 2009-04-16 Siemens Aktiengesellschaft Monitoring of blade frequencies of a wind turbine
WO2009068737A1 (en) * 2007-11-26 2009-06-04 Wärtsilä Finland Oy Tension bolt
US20090263250A1 (en) * 2006-05-11 2009-10-22 Repower Systems Ag Rotor blade attachment
WO2010052487A2 (en) * 2008-11-07 2010-05-14 Vestas Wind Systems A/C Wind turbine rotor blade
US20100124474A1 (en) * 2008-11-18 2010-05-20 General Electric Company Barrel nut

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL155077B (nl) 1975-03-20 1977-11-15 Elton Bv Ind & Handel Keilbout.
US5218890A (en) 1992-06-03 1993-06-15 Christ Jr William H Keyless adjustable driver
US7004724B2 (en) 2003-02-03 2006-02-28 General Electric Company Method and apparatus for wind turbine rotor load control based on shaft radial displacement
US7360310B2 (en) 2005-10-05 2008-04-22 General Electric Company Method for changing removable bearing for a wind turbine generator
US7322798B2 (en) 2005-11-10 2008-01-29 General Electric Company High structural efficiency blades and devices using same
US7438533B2 (en) * 2005-12-15 2008-10-21 General Electric Company Wind turbine rotor blade
CN101132682A (zh) 2006-08-25 2008-02-27 富准精密工业(深圳)有限公司 固定件及其制造方法、应用该固定件的散热装置组合
CA2615304C (en) * 2007-12-19 2011-02-15 Highline Manufacturing Ltd. Bolt for attaching a rotary mower blade

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4338054A (en) * 1979-11-19 1982-07-06 Dahl Norman C Solid externally threaded fasteners having greatly increased ductility
WO2001042647A2 (en) * 1999-12-09 2001-06-14 Aerpac Holding B.V. Wind turbine rotor, and hub and extender therefor
US20090263250A1 (en) * 2006-05-11 2009-10-22 Repower Systems Ag Rotor blade attachment
WO2009047121A2 (en) * 2007-10-09 2009-04-16 Siemens Aktiengesellschaft Monitoring of blade frequencies of a wind turbine
WO2009068737A1 (en) * 2007-11-26 2009-06-04 Wärtsilä Finland Oy Tension bolt
WO2010052487A2 (en) * 2008-11-07 2010-05-14 Vestas Wind Systems A/C Wind turbine rotor blade
US20100124474A1 (en) * 2008-11-18 2010-05-20 General Electric Company Barrel nut

Also Published As

Publication number Publication date
DE102011050966A1 (de) 2012-01-19
CN102287320A (zh) 2011-12-21
CN102287320B (zh) 2015-09-02
US8025485B2 (en) 2011-09-27
DK201170300A (en) 2011-12-18
US20110142657A1 (en) 2011-06-16

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