JP2007255535A - ころ軸受、保持器セグメントおよび風力発電機の主軸支持構造 - Google Patents
ころ軸受、保持器セグメントおよび風力発電機の主軸支持構造 Download PDFInfo
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- JP2007255535A JP2007255535A JP2006079531A JP2006079531A JP2007255535A JP 2007255535 A JP2007255535 A JP 2007255535A JP 2006079531 A JP2006079531 A JP 2006079531A JP 2006079531 A JP2006079531 A JP 2006079531A JP 2007255535 A JP2007255535 A JP 2007255535A
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- cage
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/51—Cages for rollers or needles formed of unconnected members
- F16C33/513—Cages for rollers or needles formed of unconnected members formed of arcuate segments for carrying one or more rollers
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
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- 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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/34—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
- F16C19/38—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
- F16C19/383—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
【解決手段】円錐ころ軸受は、外輪と、内輪と、外輪および内輪の間に配置される複数の円錐ころと、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、周方向外側には柱部が位置し、外輪および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11a、11dと、周方向に連ねた最初の保持器セグメント11aと最後の保持器セグメント11dとの間に配置される間座26とを備える。保持器セグメント11a、11dの線膨張係数は、2.5×10−5/℃以下である。また、最初の保持器セグメント11aと間座26との最後すき間40の周方向の寸法Bは、周方向に連なった保持器セグメント11a、11dの連結部15a、15dを通る円の円周の0.15%未満である。
【選択図】図1
Description
Claims (6)
- 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、周方向外側には前記柱部が位置し、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、
周方向に連ねた最初の保持器セグメントと最後の保持器セグメントとの間に配置される間座とを備えるころ軸受であって、
前記保持器セグメントの周方向外側の端面は、平らであるか、または、その軸方向の中央部が軸方向の両端部よりも周方向外側に膨出しており、
前記保持器セグメントの線膨張係数は、2.5×10−5/℃以下であり、
前記最初の保持器セグメントと前記間座とのすき間の周方向の寸法は、周方向に連なった前記保持器セグメントの連結部を通る円の円周の0.15%未満である、ころ軸受。 - 前記保持器セグメントの材質は、充填材を含むPEEKである、請求項1に記載のころ軸受。
- 前記間座は、金属製である、請求項1または2に記載のころ軸受。
- 前記保持器セグメントの線膨張係数は、前記外輪、前記内輪または前記ころの線膨張係数と同等である、請求項1〜3のいずれかに記載のころ軸受。
- 一つの環状の保持器を、少なくともころを収容する一つのポケットを有するように、軸に沿う方向に延びる分割線によって分割した保持器セグメントであって、
前記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と、
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とを有し、
周方向外側には前記柱部が位置し、
周方向外側の端面は、平らであるか、または、その軸方向の中央部が軸方向の両端部よりも周方向外側に膨出しており、
その線膨張係数は、2.5×10−5/℃以下である、保持器セグメント。 - 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、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有する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、周方向外側には前記柱部が位置し、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、周方向に連ねた最初の保持器セグメントと最後の保持器セグメントとの間に配置される間座とを備えるころ軸受であって、
前記保持器セグメントの周方向外側の端面は、平らであるか、または、その軸方向の中央部が軸方向の両端部よりも周方向外側に膨出しており、
前記保持器セグメントの線膨張係数は、2.5×10−5/℃以下であり、
前記最初の保持器セグメントと前記間座とのすき間の周方向の寸法は、周方向に連なった前記保持器セグメントの連結部を通る円の円周の0.15%未満である、風力発電機の主軸支持構造。
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JP2006079531A JP4167692B2 (ja) | 2006-03-22 | 2006-03-22 | 風力発電機の主軸支持用ころ軸受および主軸支持構造 |
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JP2006079531A JP4167692B2 (ja) | 2006-03-22 | 2006-03-22 | 風力発電機の主軸支持用ころ軸受および主軸支持構造 |
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JP2007255535A true JP2007255535A (ja) | 2007-10-04 |
JP4167692B2 JP4167692B2 (ja) | 2008-10-15 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009168108A (ja) * | 2008-01-15 | 2009-07-30 | Nsk Ltd | 転がり軸受 |
WO2010038571A1 (ja) * | 2008-09-30 | 2010-04-08 | Ntn株式会社 | ころ軸受、風力発電機の主軸支持構造、およびころ軸受の保持器セグメント間のすき間調整方法 |
CN102562812A (zh) * | 2010-12-29 | 2012-07-11 | 上海联合滚动轴承有限公司 | 大型风电双列圆锥滚子轴承上的保持架 |
US8485733B2 (en) | 2010-10-05 | 2013-07-16 | Jtekt Corporation | Roller bearing cage and roller bearing |
CN104105893A (zh) * | 2012-12-21 | 2014-10-15 | 日本精工株式会社 | 滚动轴承 |
CN106838007A (zh) * | 2015-10-28 | 2017-06-13 | 舍弗勒技术股份两合公司 | 推力轴承、转向节轴承装置及其应用 |
-
2006
- 2006-03-22 JP JP2006079531A patent/JP4167692B2/ja not_active Expired - Fee Related
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009168108A (ja) * | 2008-01-15 | 2009-07-30 | Nsk Ltd | 転がり軸受 |
WO2010038571A1 (ja) * | 2008-09-30 | 2010-04-08 | Ntn株式会社 | ころ軸受、風力発電機の主軸支持構造、およびころ軸受の保持器セグメント間のすき間調整方法 |
JP2010084835A (ja) * | 2008-09-30 | 2010-04-15 | Ntn Corp | ころ軸受、風力発電機の主軸支持構造、およびころ軸受の保持器セグメント間のすき間調整方法 |
CN102165204A (zh) * | 2008-09-30 | 2011-08-24 | Ntn株式会社 | 滚子轴承、风力发电机的主轴支承结构及滚子轴承的保持器扇形体间的间隙调整方法 |
DE112009002624B4 (de) | 2008-09-30 | 2021-09-23 | Ntn Corporation | Rollenlager, Hauptwellen-Stützkonstruktion eines Windkraftgenerators und Verfahren zur Justierung des Umfangsspiels zwischen Käfigsegmenten des Rollenlagers |
US8485733B2 (en) | 2010-10-05 | 2013-07-16 | Jtekt Corporation | Roller bearing cage and roller bearing |
CN102562812A (zh) * | 2010-12-29 | 2012-07-11 | 上海联合滚动轴承有限公司 | 大型风电双列圆锥滚子轴承上的保持架 |
CN104105893A (zh) * | 2012-12-21 | 2014-10-15 | 日本精工株式会社 | 滚动轴承 |
CN106838007A (zh) * | 2015-10-28 | 2017-06-13 | 舍弗勒技术股份两合公司 | 推力轴承、转向节轴承装置及其应用 |
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