DK2657519T3 - Vindmølle - Google Patents

Vindmølle Download PDF

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Publication number
DK2657519T3
DK2657519T3 DK12165721.7T DK12165721T DK2657519T3 DK 2657519 T3 DK2657519 T3 DK 2657519T3 DK 12165721 T DK12165721 T DK 12165721T DK 2657519 T3 DK2657519 T3 DK 2657519T3
Authority
DK
Denmark
Prior art keywords
bearing
rotor hub
rotor
main shaft
bearings
Prior art date
Application number
DK12165721.7T
Other languages
English (en)
Inventor
Henning Ebbesen
Original Assignee
Siemens Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=46027738&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK2657519(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of DK2657519T3 publication Critical patent/DK2657519T3/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
    • F03D1/0691—Rotors characterised by their construction elements of the 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
    • F03D15/00—Transmission of mechanical power
    • F03D15/20—Gearless transmission, i.e. direct-drive
    • 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
    • F03D80/70—Bearing or lubricating arrangements
    • 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
    • F05B2240/50—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
    • F16C17/102—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure
    • F16C17/105—Sliding-contact bearings for exclusively rotary movement for both radial and axial load with grooves in the bearing surface to generate hydrodynamic pressure with at least one bearing surface providing angular contact, e.g. conical or spherical bearing surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2360/00—Engines or pumps
    • F16C2360/31—Wind motors
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Claims (14)

1. Vindenergianlæg (101) med en stationær hovedaksel (111), der er anbragt i en nacelle af vindenergianlægget (101), et rotornav (102), som omfatter en hul kappe (104), der definerer et indre rum (105), og en flerhed af rotorvinger, der strækker sig radialt udad fra rotornavet (102), hvor rotornavet (102) er drejeligt monteret til den stationære hovedaksel (111) via mindst ét leje (113,121), hvor det mindst ét leje (113, 121) er anbragt i det indre rum (105) af rotornavet (102) og forbundet til et afsnit (118) af hovedakslen, som rager ind i det indre rum (105) af rotornavet (102), kendetegnet ved, at en udvendig ring (114) af det mindst ét leje (113, 121) er integreret med et ringformet element (117) af rotornavet (102), der rager indad i det indre rum (105) af rotornavet (102), hvor den udvendige ring (114) er anbragt drejeligt i forhold til en indvendig ring (115) af det mindst ét leje (113,121), som er fast forbundet til afsnittet (118) af hovedakslen (111), som rager ind i det indre rum (105) af rotornavet (102).
2. Vindenergianlæg (101) ifølge krav 1, kendetegnet ved, at det mindst ét leje (113, 121) er konfigureret som et radialt og/eller aksialt leje.
3. Vindenergianlæg (101) ifølge et af kravene 1 eller 2, kendetegnet ved, at en rotor (107) af en generator er fastgjort til rotornavet (102), og en stator (109) af generatoren er fastgjort til hovedakslen (111).
4. Vindenergianlæg (101) ifølge krav 3, kendetegnet ved, at det mindst ét leje (113,121) er et kugleleje, rulleleje, tilspidset rulleleje, glideleje, radialleje, hydrodynamisk leje, hydrostatisk leje eller hybridleje.
5. Vindenergianlæg (101) ifølge et af de foregående krav, kendetegnet ved, at det mindst ét leje (113, 121) definerer et vertikalt plan (119, 122), der er vinkelret på en rotationsakse (120), hvor tyngdepunktet af roterende dele befinder sig i det vertikale plan (119, 122), hvor de roterende dele omfatter rotornavet (102) og dele af vindenergianlægget (101), der er fast tilsluttet rotornavet (102).
6. Vindenergianlæg (101) ifølge et af kravene 1 til 5, kendetegnet ved, at rotornavet (102) er drejeligt monteret til hovedakslen (111) via mindst to lejer (113, 121), hvor mindst ét af lejerne (113, 121) er anbragt i det indre rum (105) af rotornavet (102).
7. Vindenergianlæg (101) ifølge krav 6, kendetegnet ved, at de mindst to lejer (113, 121) er anbragt i det indre rum (105) af rotornavet (102), hvor hvert leje (113, 121) definerer et vertikalt plan (119, 122), der er vinkelret på en rotationsakse (120), hvor lejerne (113, 121) er anbragt, således at tyngdepunktet af de roterende dele befinder sig i de vertikale plan (119, 122), som er defineret af lejerne (113,121), hvor de roterende dele omfatter rotornavet (102) og dele af vindenergianlægget (101), der er fast tilsluttet rotornavet (102).
8. Vindenergianlæg (101) ifølge krav 6 eller 7, kendetegnet ved, at ét af de mindst to lejer (113, 121) er konfigureret til at bære mindst én aksial belastning, og et andet af de mindst to lejer (113, 121) er konfigureret til at bære mindst én radial belastning.
9. Rotornav (102) til et vindenergianlæg (101) ifølge et af de foregående krav, hvor rotornavet (102) er indrettet til at være forbundet med en flerhed af rotorvinger og omfatter en hul kappe (104), som definerer et indre rum (105) og mindst ét ringformet element (117), der er en integreret del af et leje (113, 121), der er indrettet til at montere rotornavet (102) drejeligt til en stationær hovedaksel (111) af vindenergianlægget (101), hvor det mindst ét ringformede element (117) rager ind i det indre rum (105) af rotornavet (102).
10. Rotornav (102) ifølge krav 9, kendetegnet ved, at det mindst ét ringformede element (117) strækker sig radialt indad fra en indvendig flade af kappen (104).
11. Rotornav (102) ifølge krav 9, kendetegnet ved, at det mindst ét ringformede element (117) strækker sig aksialt indad i det indre rum (105) fra en side af kappen (104), der, når vindenergianlægget (101) er samlet, er konfigureret til at befinde sig over for hovedakslen (111) af vindenergianlægget (101).
12. Rotornav (102) ifølge et af de foregående krav, kendetegnet ved, at det ringformede element (117) er en ringformet flange, der er integreret med kappen (104).
13. Rotornav (102) ifølge et af kravene 9 til 12, kendetegnet ved, at den hule kappe (104) er samlet af mindst to navdele (130), hvor hver navdel (130) omfatter mindst ét afsnit af en vingelejeflange (106), der er indrettet til at forbindes til en af rotorvingerne, og mindst ét forbindelsesafsnit (131), der er indrettet til at forbindes til det ringformede element (117).
14. Rotornav (102) ifølge et af kravene 9 til 13, kendetegnet ved, at rotornavet (102) omfatter to ringformede elementer (117), hvor hvert ringformet element (117) er integreret med et leje (113, 121), der er indrettet til at montere rotornavet (102) drejeligt til hovedakslen (111).
DK12165721.7T 2012-04-26 2012-04-26 Vindmølle DK2657519T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12165721.7A EP2657519B1 (en) 2012-04-26 2012-04-26 Wind turbine

Publications (1)

Publication Number Publication Date
DK2657519T3 true DK2657519T3 (da) 2015-09-07

Family

ID=46027738

Family Applications (1)

Application Number Title Priority Date Filing Date
DK12165721.7T DK2657519T3 (da) 2012-04-26 2012-04-26 Vindmølle

Country Status (5)

Country Link
US (1) US9279413B2 (da)
EP (1) EP2657519B1 (da)
CN (1) CN103375356B (da)
DK (1) DK2657519T3 (da)
PL (1) PL2657519T3 (da)

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CN103375356A (zh) 2013-10-30
EP2657519A1 (en) 2013-10-30
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US9279413B2 (en) 2016-03-08
PL2657519T3 (pl) 2015-11-30
CN103375356B (zh) 2017-10-27

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