JP2006316936A - 転がり軸受 - Google Patents
転がり軸受 Download PDFInfo
- Publication number
- JP2006316936A JP2006316936A JP2005141464A JP2005141464A JP2006316936A JP 2006316936 A JP2006316936 A JP 2006316936A JP 2005141464 A JP2005141464 A JP 2005141464A JP 2005141464 A JP2005141464 A JP 2005141464A JP 2006316936 A JP2006316936 A JP 2006316936A
- Authority
- JP
- Japan
- Prior art keywords
- rolling
- detecting
- rolling bearing
- sensor
- speed
- 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.)
- Pending
Links
Images
Classifications
-
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row 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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/443—Devices characterised by the use of electric or magnetic means for measuring angular speed mounted in bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/488—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by variable reluctance detectors
-
- 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
-
- 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
- F16C2360/23—Gas turbine engines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】転動体であるころ4の公転速度VTを、固定輪である外輪3に取り付けた光センサ7aで検出される単位時間当たりのころ4の通過個数から算出し、回転軸Aの回転センサで検出される回転軸Aの回転速度VAところ4の公転速度VTの差ΔVを時間積分することにより、スキッディング現象の発生度合いを事前に検知できるようにした。
【選択図】図1
Description
2 内輪
2a 軌道面
3 外輪
3a 軌道面
3b 鍔
3c 張り出し部
4 ころ
5 保持器
5a 凹溝
6 凹部
6a 覗き孔
7a、7b 光センサ
11 ファン
12 圧縮機
13 燃焼室
14 タービン
15 主軸
Claims (5)
- 内外輪の軌道面間に複数の転動体が環状の保持器で保持され、これらの転動体が前記軌道面間を公転する転がり軸受において、前記転動体の公転速度を検出する手段を設けたことを特徴とする転がり軸受。
- 前記転動体の公転速度を検出する手段が、前記軌道面間を公転する転動体の通過を検出する非接触式センサを、前記内外輪のうちの回転しない固定輪側に取り付け、このセンサで検出される単位時間当たりの前記転動体の通過個数から、前記転動体の公転速度を算出するものである請求項1に記載の転がり軸受。
- 前記転動体の公転速度を検出する手段が、前記転動体の公転に伴って回転する前記環状の保持器の回転速度を検出するものである請求項1に記載の転がり軸受。
- 前記保持器の回転速度を検出する手段が、前記環状の保持器の円周方向の少なくとも1箇所に回転検出部を設け、この回転検出部の通過を検出する非接触式センサを、前記内外輪のうちの回転しない固定輪側に取り付け、このセンサで検出される単位時間当たりの前記回転検出部の通過個数から、前記保持器の回転速度を算出するものである請求項3に記載の転がり軸受。
- 前記転がり軸受がジェットエンジンの主軸を支持するものである請求項1乃至4のいずれかに記載の転がり軸受。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141464A JP2006316936A (ja) | 2005-05-13 | 2005-05-13 | 転がり軸受 |
US11/417,208 US7563031B2 (en) | 2005-05-13 | 2006-05-04 | Rolling bearing |
DE102006022331A DE102006022331A1 (de) | 2005-05-13 | 2006-05-12 | Rollenlager |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005141464A JP2006316936A (ja) | 2005-05-13 | 2005-05-13 | 転がり軸受 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006316936A true JP2006316936A (ja) | 2006-11-24 |
JP2006316936A5 JP2006316936A5 (ja) | 2009-01-22 |
Family
ID=37295620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005141464A Pending JP2006316936A (ja) | 2005-05-13 | 2005-05-13 | 転がり軸受 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7563031B2 (ja) |
JP (1) | JP2006316936A (ja) |
DE (1) | DE102006022331A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011190844A (ja) * | 2010-03-12 | 2011-09-29 | Ntn Corp | 軸受のスミアリング損傷防止装置および軸受のスミアリング損傷防止方法 |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007049161A1 (de) | 2007-10-13 | 2009-04-23 | Schaeffler Kg | Vorrichtung zur Erfassung der Drehzahl eines Lagers |
DE102010045912B4 (de) * | 2010-09-21 | 2014-05-22 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Rotierbares Wälzlager |
WO2012043612A1 (ja) * | 2010-09-28 | 2012-04-05 | Ntn株式会社 | 転がり軸受用保持器および転がり軸受 |
WO2012046122A1 (en) * | 2010-10-05 | 2012-04-12 | Aktiebolaget Skf (Publ) | Bearing unit for switching off and on ignition in automobiles and method thereof |
US20190017899A1 (en) * | 2016-01-21 | 2019-01-17 | Schaeffler Technologies AG & Co. KG | Method and measuring assembly for detecting slip in rolling bearings |
CN106419320A (zh) * | 2016-08-12 | 2017-02-22 | 无锡尊宝电动车有限公司 | 一种可显示轴承性能的轴承销售用展示柜 |
DE102017109540A1 (de) | 2017-05-04 | 2018-03-01 | Schaeffler Technologies AG & Co. KG | Wälzlageranordnung mit Sensoreinrichtung |
DE102018100393A1 (de) * | 2018-01-10 | 2018-12-06 | Schaeffler Technologies AG & Co. KG | Wälzlageranordnung mit Sensoreinrichtung |
FR3095020B1 (fr) * | 2019-04-12 | 2022-01-14 | Safran Electrical & Power | dispositif de surveillance de dégradation de paliers roulants |
CN110714869B (zh) * | 2019-09-30 | 2020-09-22 | 华能四川水电有限公司 | 一种转子的中心偏移量检测方法、装置、存储介质和设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3194051A (en) * | 1962-09-25 | 1965-07-13 | Bendix Corp | Gyro motor bearing testing device and method |
EP0395783A1 (de) * | 1989-05-05 | 1990-11-07 | Gmn Georg Müller Nürnberg Ag | Sensorlager zur Erfassung von Drehzahl und/oder Verdrehwinkel |
JP2794683B2 (ja) * | 1991-04-16 | 1998-09-10 | 日産自動車株式会社 | 歯車支持軸受構造 |
US5850141A (en) * | 1997-06-13 | 1998-12-15 | Ntn Corporation | Annular speed sensor with a tone ring having both axial and radial magnetic fields |
JP2004116729A (ja) | 2002-09-27 | 2004-04-15 | Ntn Corp | 軌道面楕円転がり軸受 |
JP2004239746A (ja) | 2003-02-06 | 2004-08-26 | Nsk Ltd | 軸受転動体の公転速度測定装置及び方法並びに軸受診断装置 |
JP4517648B2 (ja) | 2003-05-22 | 2010-08-04 | 日本精工株式会社 | 転がり軸受ユニットの荷重測定装置 |
US7338211B2 (en) * | 2004-05-21 | 2008-03-04 | Nsk Europe Ltd | Wheel bearing assemblies incorporating sensing arrangements |
US7182519B2 (en) * | 2004-06-24 | 2007-02-27 | General Electric Company | Methods and apparatus for assembling a bearing assembly |
US20060222278A1 (en) * | 2005-03-30 | 2006-10-05 | General Electric Company | Bearing assembly and method of monitoring same |
-
2005
- 2005-05-13 JP JP2005141464A patent/JP2006316936A/ja active Pending
-
2006
- 2006-05-04 US US11/417,208 patent/US7563031B2/en not_active Expired - Fee Related
- 2006-05-12 DE DE102006022331A patent/DE102006022331A1/de not_active Withdrawn
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011190844A (ja) * | 2010-03-12 | 2011-09-29 | Ntn Corp | 軸受のスミアリング損傷防止装置および軸受のスミアリング損傷防止方法 |
Also Published As
Publication number | Publication date |
---|---|
US7563031B2 (en) | 2009-07-21 |
US20060257061A1 (en) | 2006-11-16 |
DE102006022331A1 (de) | 2006-11-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2006316936A (ja) | 転がり軸受 | |
EP2224103B1 (en) | Bearing support apparatus with squeeze film damper | |
JP5226790B2 (ja) | 流体式のアキシャル軸受 | |
EP3059453B1 (en) | Method of improving the efficiency of a turbocharger assembly comprising a ball bearing, associated product and turbocharger | |
UA81393C2 (uk) | Підшипник кочення з масляним демпфуванням | |
EP3269477B1 (en) | Main shaft device | |
DE60007761D1 (de) | Hybrides schrägkugellager und damit versehene axiallagervorrichtung | |
US20040184692A1 (en) | Cylindrical roller bearing | |
US4184720A (en) | Air-supported bearing for turbine engines | |
KR20090107079A (ko) | 풍력 기어박스 안의 샤프트를 지지하기 위한 레이디얼 구름 베어링, 특히 원통형 롤러 베어링 | |
US8065867B2 (en) | Radial ball bearing | |
JP2008031941A (ja) | 風力発電機の回転軸支持構造 | |
US9765791B2 (en) | Turbo compressor | |
US20170198750A1 (en) | Ball bearing for a turbocharger | |
US7118321B2 (en) | Air cooled bearing | |
EP2107261B1 (en) | Roller bearings and gas turbine engine systems involving such bearings | |
JP5895604B2 (ja) | ターボチャージャ用軸受装置 | |
JP2005069252A (ja) | 転がり軸受ユニット | |
JP2009203846A (ja) | ターボチャージャ用軸受装置 | |
US5129782A (en) | Turbo-machine sealing device | |
JP2022097522A (ja) | ハブユニット軸受の製造方法 | |
JP2006316933A (ja) | 転がり軸受 | |
JP2006022889A (ja) | 円筒ころ軸受 | |
JP2009203845A (ja) | ターボチャージャ用軸受装置 | |
JP2587897Y2 (ja) | 転がり軸受 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080425 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081202 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20081202 |
|
A975 | Report on accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A971005 Effective date: 20081208 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090113 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090311 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20090331 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20090728 |