JP2008064245A - 円錐ころ軸受および風力発電機の主軸支持構造 - Google Patents
円錐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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- JP2008064245A JP2008064245A JP2006244397A JP2006244397A JP2008064245A JP 2008064245 A JP2008064245 A JP 2008064245A JP 2006244397 A JP2006244397 A JP 2006244397A JP 2006244397 A JP2006244397 A JP 2006244397A JP 2008064245 A JP2008064245 A JP 2008064245A
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- tapered roller
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- 238000005096 rolling process Methods 0.000 claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 5
- 125000006850 spacer group Chemical group 0.000 description 23
- 238000000034 method Methods 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000010348 incorporation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
- Y02E10/728—Onshore wind turbines
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Abstract
【解決手段】円錐ころ軸受31は、内輪32と、外輪33と、円錐ころ34と、内輪32および外輪33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41とを備える。そして、円錐ころ34の転動面の任意の位置におけるころ径をD、円錐ころ34のころ径の測定位置における内輪32および外輪33の軌道面間距離をdとすると、全ての円錐ころ34それぞれの転動面34cの少なくとも1箇所で、D>dを満たす。
【選択図】図3
Description
Claims (4)
- 内輪と、
外輪と、
前記内輪および前記外輪に接する転動面を有する複数の円錐ころと、
前記円錐ころを保持するポケットを形成するように軸に沿う方向に延びる複数の柱部、およびこの複数の柱部を連結するように周方向に延びる連結部を有し、前記内輪および前記外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、
前記円錐ころの転動面の任意の位置におけるころ径をD、
前記円錐ころのころ径の測定位置における前記内輪および前記外輪の軌道面間距離をdとすると、
全ての前記円錐ころそれぞれの転動面の少なくとも1箇所で、D>dを満たす、円錐ころ軸受。 - 前記円錐ころの転動面には、クラウニングが形成されており、
前記円錐ころのクラウニングの頂上におけるころ径をD1、
前記円錐ころのクラウニングの頂上に対応する位置の軌道面間距離をd1とすると、
全ての円錐ころで、D1>d1を満たす、請求項1に記載の円錐ころ軸受。 - 全ての前記円錐ころの転動面全域で、D>dを満たす、請求項1に記載の円錐ころ軸受。
- 風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ブレードとともに回転する主軸と、
前記主軸を回転自在に支持する円錐ころ軸受とを備える風力発電機の主軸支持構造であって、
前記円錐ころ軸受は、内輪と、外輪と、前記内輪および前記外輪に接する転動面を有する複数の円錐ころと、前記円錐ころを保持するポケットを形成するように軸に沿う方向に延びる複数の柱部、およびこの複数の柱部を連結するように周方向に延びる連結部を有し、前記内輪および前記外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、
前記円錐ころの転動面の任意の位置におけるころ径をD、
前記円錐ころのころ径の測定位置における前記内輪および前記外輪の軌道面間距離をdとすると、
全ての前記円錐ころそれぞれの転動面の少なくとも1箇所で、D>dを満たす、風力発電機の主軸支持構造。
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006244397A JP4308234B2 (ja) | 2006-09-08 | 2006-09-08 | 風力発電機の主軸支持用円錐ころ軸受および風力発電機の主軸支持構造 |
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 |
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 |
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 |
EP12175578.9A EP2511544B2 (en) | 2006-09-08 | 2007-09-04 | Retainer segment of roller bearing for supporting main shaft of wind-power generator |
EP07806654.5A EP2060806B1 (en) | 2006-09-08 | 2007-09-04 | Roller bearing and main shaft support structure of wind-power generator |
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 |
DK07806654.5T DK2060806T3 (da) | 2006-09-08 | 2007-09-04 | Rulleleje og hovedaksel-understøttelsesstruktur til et vindkraftværk |
DK12175578.9T DK2511544T4 (da) | 2006-09-08 | 2007-09-04 | Holdedel til et rulleleje, som kan bære en hovedaksel i et vindkraftværk |
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 |
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)
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JP2006244397A JP4308234B2 (ja) | 2006-09-08 | 2006-09-08 | 風力発電機の主軸支持用円錐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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JP2008064245A true JP2008064245A (ja) | 2008-03-21 |
JP4308234B2 JP4308234B2 (ja) | 2009-08-05 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013044374A (ja) * | 2011-08-24 | 2013-03-04 | Ntn Corp | 円すいころ軸受 |
KR20190120302A (ko) * | 2017-03-06 | 2019-10-23 | 엔티엔 가부시키가이샤 | 유지기 부착 침상 롤러 및 그것을 구비한 유성 기어 기구 지지 구조 |
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2006
- 2006-09-08 JP JP2006244397A patent/JP4308234B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013044374A (ja) * | 2011-08-24 | 2013-03-04 | Ntn Corp | 円すいころ軸受 |
KR20190120302A (ko) * | 2017-03-06 | 2019-10-23 | 엔티엔 가부시키가이샤 | 유지기 부착 침상 롤러 및 그것을 구비한 유성 기어 기구 지지 구조 |
KR102546430B1 (ko) * | 2017-03-06 | 2023-06-22 | 엔티엔 가부시키가이샤 | 유지기 부착 침상 롤러 및 그것을 구비한 유성 기어 기구 지지 구조 |
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