JP7663732B2 - 複列自動調心ころ軸受 - Google Patents

複列自動調心ころ軸受 Download PDF

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Publication number
JP7663732B2
JP7663732B2 JP2024017030A JP2024017030A JP7663732B2 JP 7663732 B2 JP7663732 B2 JP 7663732B2 JP 2024017030 A JP2024017030 A JP 2024017030A JP 2024017030 A JP2024017030 A JP 2024017030A JP 7663732 B2 JP7663732 B2 JP 7663732B2
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JP
Japan
Prior art keywords
rollers
row
bearing
double
contact angle
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
JP2024017030A
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English (en)
Japanese (ja)
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JP2024040292A5 (enExample
JP2024040292A (ja
Inventor
一将 ▲瀬▼古
径生 堀
靖之 井上
貴志 山本
雅樹 中西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
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NTN Corp
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Publication date
Priority claimed from JP2019072707A external-priority patent/JP7488633B2/ja
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Publication of JP2024040292A5 publication Critical patent/JP2024040292A5/ja
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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
    • F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
    • F16C25/06—Ball or roller bearings
    • F16C25/08—Ball or roller bearings self-adjusting
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • F16C23/082—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface
    • F16C23/086—Ball or roller bearings self-adjusting by means of at least one substantially spherical surface forming a track for rolling elements
    • 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
    • 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
    • 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
    • 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
    • F16C19/50—Other types of ball or roller bearings
    • F16C19/505—Other types of ball or roller bearings with the diameter of the rolling elements of one row differing from the diameter of those of another row
    • 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
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06—Ball or roller bearings
    • F16C23/08—Ball or roller bearings self-adjusting
    • 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
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the 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
    • F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
    • F16C2206/02—Carbon based material
    • F16C2206/04—Diamond like carbon [DLC]
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/30—Angles, e.g. inclinations
    • F16C2240/34—Contact angles
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/54—Surface roughness
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/60—Thickness, e.g. thickness of coatings
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
JP2024017030A 2018-04-20 2024-02-07 複列自動調心ころ軸受 Active JP7663732B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2018081203 2018-04-20
JP2018081203 2018-04-20
JP2019072707A JP7488633B2 (ja) 2018-04-20 2019-04-05 複列自動調心ころ軸受

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
JP2019072707A Division JP7488633B2 (ja) 2018-04-20 2019-04-05 複列自動調心ころ軸受

Publications (3)

Publication Number Publication Date
JP2024040292A JP2024040292A (ja) 2024-03-25
JP2024040292A5 JP2024040292A5 (enExample) 2024-07-19
JP7663732B2 true JP7663732B2 (ja) 2025-04-16

Family

ID=68239674

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024017030A Active JP7663732B2 (ja) 2018-04-20 2024-02-07 複列自動調心ころ軸受

Country Status (5)

Country Link
US (1) US11306776B2 (enExample)
JP (1) JP7663732B2 (enExample)
CN (1) CN111989500B (enExample)
DK (1) DK3783237T3 (enExample)
WO (1) WO2019203265A1 (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112739907B (zh) * 2018-09-24 2023-06-20 维斯塔斯风力系统有限公司 风力涡轮机机舱结构和组装风力涡轮机机舱结构的方法
US12123464B2 (en) * 2020-12-17 2024-10-22 Aktiebolaget Skf Bearing component and method of manufacturing thereof
WO2022202630A1 (ja) * 2021-03-22 2022-09-29 Ntn株式会社 ころ軸受
CN115853907B (zh) * 2022-12-27 2025-06-13 洛阳轴承集团股份有限公司 一种风机用非对称调心滚子轴承及其设计方法
CN116480685A (zh) * 2023-03-13 2023-07-25 山东哈临集团有限公司 一种船舶推进器用调心滚子轴承
CN119731431A (zh) * 2023-07-26 2025-03-28 铁姆肯公司 用于风力涡轮主轴的轴承布置

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2011226638A (ja) 2010-03-30 2011-11-10 Ntn Corp 転がり軸受
WO2017164325A1 (ja) 2016-03-24 2017-09-28 Ntn株式会社 複列自動調心ころ軸受

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US3912346A (en) * 1969-02-06 1975-10-14 Poznanska Fabryka Lozysk Toczn Double-row self-aligning bearing
US4828404A (en) * 1988-05-16 1989-05-09 Nippon Seiko Kabushiki Kaisha Self-aligning roller bearing
GB9623126D0 (en) * 1996-11-06 1997-01-08 Timken Co Bearing assembly
JP2004028139A (ja) * 2002-06-21 2004-01-29 Nsk Ltd 調心輪付き複列円すいころ軸受
JP2004092687A (ja) * 2002-08-29 2004-03-25 Nsk Ltd 複列アンギュラ玉軸受
ES2339457T5 (es) * 2003-11-18 2017-03-16 Ntn Corporation Cojinete de rodillos autoalineable de doble hilera y dispositivo de soporte de un árbol principal de generador de turbina eólica
US7922396B2 (en) * 2004-09-21 2011-04-12 Ntn Corporation Double row self-aligning roller bearing and main shaft support structure of wind power generator
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JP2008202732A (ja) * 2007-02-21 2008-09-04 Ntn Corp 密封型複列アンギュラ玉軸受および電磁クラッチ
JP5127674B2 (ja) * 2008-11-10 2013-01-23 Ｎｔｎ株式会社 ロッカアームアッシー
JP2012219995A (ja) * 2011-04-14 2012-11-12 Ntn Corp 転がり軸受およびその製造方法
JP5664484B2 (ja) 2011-07-15 2015-02-04 ブラザー工業株式会社 レイアウト編集装置およびレイアウト編集プログラム
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CN107575469B (zh) * 2012-12-25 2020-12-18 日本精工株式会社 圆锥滚子轴承
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JP6211987B2 (ja) 2014-04-22 2017-10-11 株式会社神戸製鋼所 Ｚｎめっき鋼板の熱間成形用金型
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US9863471B2 (en) * 2015-04-09 2018-01-09 Aktiebolaget Skf Bearing and bearing arrangement
JP2017150507A (ja) * 2016-02-22 2017-08-31 日本精工株式会社 ４列円すいころ軸受
JP6873754B2 (ja) 2016-03-24 2021-05-19 Ntn株式会社 複列自動調心ころ軸受
CN108884867B (zh) 2016-03-24 2020-12-18 Ntn株式会社 双排自调心滚子轴承
EP3273077B1 (de) 2016-07-21 2020-06-03 Aktiebolaget SKF Wälzlager mit montageflansch
JP6912966B2 (ja) * 2017-01-13 2021-08-04 Ntn株式会社 複列自動調心ころ軸受

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Publication number Priority date Publication date Assignee Title
JP2011226638A (ja) 2010-03-30 2011-11-10 Ntn Corp 転がり軸受
WO2017164325A1 (ja) 2016-03-24 2017-09-28 Ntn株式会社 複列自動調心ころ軸受

Also Published As

Publication number Publication date
US11306776B2 (en) 2022-04-19
CN111989500A (zh) 2020-11-24
CN111989500B (zh) 2022-04-12
JP2024040292A (ja) 2024-03-25
US20210025448A1 (en) 2021-01-28
DK3783237T3 (da) 2024-01-08
WO2019203265A1 (ja) 2019-10-24

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