JP4231082B2 - 風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 - Google Patents
風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 Download PDFInfo
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- JP4231082B2 JP4231082B2 JP2007148352A JP2007148352A JP4231082B2 JP 4231082 B2 JP4231082 B2 JP 4231082B2 JP 2007148352 A JP2007148352 A JP 2007148352A JP 2007148352 A JP2007148352 A JP 2007148352A JP 4231082 B2 JP4231082 B2 JP 4231082B2
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- Prior art keywords
- cage
- main shaft
- roller bearing
- cage segment
- wind power
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- 239000011347 resin Substances 0.000 claims description 34
- 229920005989 resin Polymers 0.000 claims description 34
- 239000000945 filler Substances 0.000 claims description 33
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 11
- 229920002530 polyetherether ketone Polymers 0.000 claims description 11
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 7
- 239000004917 carbon fiber Substances 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 7
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- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 8
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- 229910000831 Steel Inorganic materials 0.000 description 6
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- 239000010959 steel Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 229910000760 Hardened steel Inorganic materials 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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- 239000003638 chemical reducing agent Substances 0.000 description 2
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- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
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Images
Classifications
-
- 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
- Wind Motors (AREA)
- Rolling Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Description
Claims (7)
- 一端に風力を受けるためのブレードを有して横方向に延び、ブレードとともに回転する主軸を回転自在に支持する風力発電機の主軸支持用ころ軸受であって、
外輪と、内輪と、前記外輪および前記内輪の間に配置される複数のころと、前記ころを収容するポケットを有し、前記外輪および前記内輪の間で周方向に順次連ねて配置される複数の保持器セグメントとを備え、
前記保持器セグメントは、熱による線膨張係数を低下させる充填材を含む樹脂製であり、その線膨張係数が1.3×10−5/℃以上1.7×10−5/℃以下であり、
複数の前記保持器セグメントを周方向に無間隙に配置した場合に、最初に配置される保持器セグメントと最後に配置される保持器セグメントとの間にすき間を有し、
室温において、前記すき間の周方向の寸法は、前記保持器セグメントの中央を通る円の円周の0.075%よりも大きく、0.12%よりも小さい、風力発電機の主軸支持用ころ軸受。 - 前記充填材は、少なくとも炭素繊維またはガラス繊維のいずれかを含む、請求項1に記載の風力発電機の主軸支持用ころ軸受。
- 前記樹脂は、ポリエーテルエーテルケトンである、請求項1または2に記載の風力発電機の主軸支持用ころ軸受。
- 前記樹脂中の前記充填材の充填比率は、20重量%以上40重量%以下である、請求項1〜3のいずれかに記載の風力発電機の主軸支持用ころ軸受。
- 前記ころは、円錐ころである、請求項1〜4のいずれかに記載の風力発電機の主軸支持用ころ軸受。
- 室温において、前記すき間の周方向の寸法は、前記保持器セグメントの中央を通る円の円周の0.075%よりも大きく、0.10%よりも小さい、請求項1〜5のいずれかに記載の風力発電機の主軸支持用ころ軸受。
- 風力を受けるブレードと、
その一端が前記ブレードに固定されて横方向に延び、ブレードとともに回転する主軸と、
固定部材に組み込まれ、前記主軸を回転自在に支持するころ軸受とを含む風力発電機の主軸支持構造であって、
前記ころ軸受は、外輪と、内輪と、前記外輪および前記内輪の間に配置される複数のころと、前記ころを収容するポケットを有し、前記外輪および前記内輪の間で周方向に順次連ねて配置される複数の保持器セグメントとを備え、
前記保持器セグメントは、熱による線膨張係数を低下させる充填材を含む樹脂製であり、その線膨張係数が1.3×10−5/℃以上1.7×10−5/℃以下であり、
複数の前記保持器セグメントを周方向に無間隙に配置した場合に、最初に配置される保持器セグメントと最後に配置される保持器セグメントとの間にすき間を有し、
室温において、前記すき間の周方向の寸法は、前記保持器セグメントの中央を通る円の円周の0.075%よりも大きく、0.12%よりも小さい、風力発電機の主軸支持構造。
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007148352A JP4231082B2 (ja) | 2007-06-04 | 2007-06-04 | 風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 |
PCT/JP2007/067199 WO2008029796A1 (fr) | 2006-09-08 | 2007-09-04 | Roulement à rouleaux, segment d'arrêt pour roulement à rouleaux de support d'arbre d'aéromoteur, et une structure de support d'arbre d'aéromoteur |
DK07806654.5T DK2060806T3 (da) | 2006-09-08 | 2007-09-04 | Rulleleje og hovedaksel-understøttelsesstruktur til et vindkraftværk |
EP07806654.5A EP2060806B1 (en) | 2006-09-08 | 2007-09-04 | Roller bearing and main shaft support structure of wind-power generator |
ES07806654.5T ES2455015T3 (es) | 2006-09-08 | 2007-09-04 | Rodamiento de rodillos y estructura de soporte de árbol principal de generador de energía eólica |
DK12175578.9T DK2511544T4 (da) | 2006-09-08 | 2007-09-04 | Holdedel til et rulleleje, som kan bære en hovedaksel i et vindkraftværk |
CN2007800333120A CN101512169B (zh) | 2006-09-08 | 2007-09-04 | 滚子轴承、风力发电机主轴支承用滚子轴承的保持器部及风力发电机的主轴支承结构 |
ES12175578T ES2455228T5 (es) | 2006-09-08 | 2007-09-04 | Segmento de retención de rodamiento de rodillos para soportar árbol principal de generador de energía eólica |
EP12175578.9A EP2511544B2 (en) | 2006-09-08 | 2007-09-04 | Retainer segment of roller bearing for supporting main shaft of wind-power generator |
US12/310,798 US8764304B2 (en) | 2006-09-08 | 2007-09-04 | Roller bearing, retainer segment of roller bearing for supporting main shaft of wind-power generator, and main shaft support structure of wind-power generator |
US14/279,539 US9810263B2 (en) | 2006-09-08 | 2014-05-16 | Retainer segment for a roller bearing for supporting a main shaft of a wind-power generator |
US14/692,840 US9664231B2 (en) | 2006-09-08 | 2015-04-22 | Roller bearing, retainer segment of roller bearing for supporting main shaft of wind-power generator |
US15/712,278 US10408267B2 (en) | 2006-09-08 | 2017-09-22 | Tapered roller bearing and main shaft support structure of wind-power generator using same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007148352A JP4231082B2 (ja) | 2007-06-04 | 2007-06-04 | 風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2008086320A Division JP5131466B2 (ja) | 2008-03-28 | 2008-03-28 | 風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 |
Publications (2)
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JP2008298272A JP2008298272A (ja) | 2008-12-11 |
JP4231082B2 true JP4231082B2 (ja) | 2009-02-25 |
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JP2007148352A Active JP4231082B2 (ja) | 2006-09-08 | 2007-06-04 | 風力発電機の主軸支持用ころ軸受および風力発電機の主軸支持構造 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012077882A (ja) | 2010-10-05 | 2012-04-19 | Jtekt Corp | ころ軸受用保持器およびころ軸受 |
JP7141835B2 (ja) * | 2018-03-05 | 2022-09-26 | Ntn株式会社 | ころ軸受及びころ軸受用保持器 |
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