JP4668227B2 - ころ軸受転動体のひずみ検出装置 - Google Patents
ころ軸受転動体のひずみ検出装置 Download PDFInfo
- Publication number
- JP4668227B2 JP4668227B2 JP2007090518A JP2007090518A JP4668227B2 JP 4668227 B2 JP4668227 B2 JP 4668227B2 JP 2007090518 A JP2007090518 A JP 2007090518A JP 2007090518 A JP2007090518 A JP 2007090518A JP 4668227 B2 JP4668227 B2 JP 4668227B2
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- JP
- Japan
- Prior art keywords
- rolling element
- rolling
- strain detection
- optical fiber
- center line
- 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.)
- Expired - Fee Related
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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
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C23/088—Ball or roller bearings self-adjusting by means of crowning
-
- 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
-
- 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
- F16C19/22—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
- F16C19/36—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 a single row of rollers
- F16C19/364—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 a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Rolling Contact Bearings (AREA)
Description
以下に本発明の第1実施例を図1〜図7に基づいて説明する。図1は、本発明の実施例1であるころ軸受転動体のひずみ検出装置101の全体構成を示す図である。また、図2は、図1に示すころ軸受及び転動体内部に挿入する光ファイバひずみ検出センサの設置状態を示す図、図3は光ファイバひずみ検出センサの構成を示す図である。
◎実施例2
3(G1〜Gn) ひずみ検出センサ
4 ころ軸受
6 外輪
7 内輪
8 転動体(ころ)
8A センサ孔
9 軌道空間
50 円すいころの軸受
51 転動体(ころ)
101 ころ軸受転動体のひずみ検出装置
102 ころ軸受転動体のひずみ検出装置
A1 転動中心線
A2 転動中心線
B1 軸中心線
g1〜gn ブラッグ回折格子
Claims (1)
- 同軸上に配置された円環状の外輪と内輪との間の軌道空間に複数の転動体が一定の間隔をおいて配置され、これら外輪と内輪との相対回転に伴って軌道空間内の転動体が自転しつつ公転するころ軸受において、
前記転動体の内部でかつ該転動体の自転中心となる転動中心線に沿うように、該転動中心線方向のひずみをそれぞれ検出するひずみ検出センサを複数配置してなり、
前記複数のひずみ検出センサは、おのおののひずみ検出センサ部に複数のブラッグ回折格子を光ファイバのコアに適宜の間隔で並ぶように形成したものであり、それらのひずみ検出センサを前記転動中心線に沿って配置された光ファイバのコアに適宜の間隔で並ぶように形成したことを特徴とするころ軸受転動体のひずみ検出装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007090518A JP4668227B2 (ja) | 2007-03-30 | 2007-03-30 | ころ軸受転動体のひずみ検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007090518A JP4668227B2 (ja) | 2007-03-30 | 2007-03-30 | ころ軸受転動体のひずみ検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008249014A JP2008249014A (ja) | 2008-10-16 |
JP4668227B2 true JP4668227B2 (ja) | 2011-04-13 |
Family
ID=39974200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007090518A Expired - Fee Related JP4668227B2 (ja) | 2007-03-30 | 2007-03-30 | ころ軸受転動体のひずみ検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4668227B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108425941A (zh) * | 2017-02-14 | 2018-08-21 | 株式会社捷太格特 | 滚子轴承用的状态检测装置及滚子轴承装置 |
US10883543B2 (en) | 2016-12-14 | 2021-01-05 | Ntn Corporation | Rolling bearing with rotation sensor |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8790013B2 (en) | 2009-12-04 | 2014-07-29 | Aktiebolaget Skf | Bearing monitoring using a fibre bragg grating |
JP5540728B2 (ja) * | 2010-01-25 | 2014-07-02 | 株式会社ジェイテクト | ころ軸受装置 |
DE102012200779B4 (de) * | 2012-01-20 | 2014-12-18 | Aktiebolaget Skf | Wälzkörper |
DE102015216472B4 (de) * | 2015-08-28 | 2018-05-17 | Aktiebolaget Skf | Lageranordnung mit einem Sensorwälzkörper |
DE102017223628A1 (de) * | 2017-12-21 | 2019-06-27 | Aktiebolaget Skf | Zustandsüberwachung |
DE102017208871A1 (de) * | 2017-05-24 | 2018-11-29 | Aktiebolaget Skf | Wälzlagerung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004003601A (ja) * | 2002-04-23 | 2004-01-08 | Nsk Ltd | センサ付転がり軸受ユニット |
JP2005010064A (ja) * | 2003-06-20 | 2005-01-13 | Hitachi Ltd | ボルトゲージ |
JP2005307998A (ja) * | 2004-04-16 | 2005-11-04 | Koyo Seiko Co Ltd | 軸受部品、軸受用保持器、光センサ付軸受および装置の応力の検知方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE501814C2 (sv) * | 1993-08-06 | 1995-05-22 | Skf Ab | Anordning för lastmätning i rullningslager |
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2007
- 2007-03-30 JP JP2007090518A patent/JP4668227B2/ja not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004003601A (ja) * | 2002-04-23 | 2004-01-08 | Nsk Ltd | センサ付転がり軸受ユニット |
JP2005010064A (ja) * | 2003-06-20 | 2005-01-13 | Hitachi Ltd | ボルトゲージ |
JP2005307998A (ja) * | 2004-04-16 | 2005-11-04 | Koyo Seiko Co Ltd | 軸受部品、軸受用保持器、光センサ付軸受および装置の応力の検知方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10883543B2 (en) | 2016-12-14 | 2021-01-05 | Ntn Corporation | Rolling bearing with rotation sensor |
CN108425941A (zh) * | 2017-02-14 | 2018-08-21 | 株式会社捷太格特 | 滚子轴承用的状态检测装置及滚子轴承装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2008249014A (ja) | 2008-10-16 |
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