JP4547439B2 - 回転機械 - Google Patents
回転機械 Download PDFInfo
- Publication number
- JP4547439B2 JP4547439B2 JP2008089159A JP2008089159A JP4547439B2 JP 4547439 B2 JP4547439 B2 JP 4547439B2 JP 2008089159 A JP2008089159 A JP 2008089159A JP 2008089159 A JP2008089159 A JP 2008089159A JP 4547439 B2 JP4547439 B2 JP 4547439B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic sensor
- oil film
- ultrasonic
- intensity
- reflected wave
- 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
Links
- 239000003921 oil Substances 0.000 claims description 146
- 238000009434 installation Methods 0.000 claims description 41
- 238000012937 correction Methods 0.000 claims description 36
- 239000010687 lubricating oil Substances 0.000 claims description 16
- 230000007423 decrease Effects 0.000 claims description 4
- 239000011345 viscous material Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 39
- 230000002093 peripheral effect Effects 0.000 description 14
- 208000035874 Excoriation Diseases 0.000 description 6
- 238000005299 abrasion Methods 0.000 description 6
- 230000000644 propagated effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000691 measurement method Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009532 heart rate measurement Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
- G01B17/025—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness for measuring thickness of coating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
-
- 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
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/12—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load
- F16C17/24—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety
- F16C17/246—Sliding-contact bearings for exclusively rotary movement characterised by features not related to the direction of the load with devices affected by abnormal or undesired positions, e.g. for preventing overheating, for safety related to wear, e.g. sensors for measuring wear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Sliding-Contact Bearings (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Description
2 回転子
3 固定子
4 第1のシャフト
5 大歯車
6,6−1,6−2 軸受
7 軸受支持フレーム
8 給油孔
9 第2のシャフト
10 ピニオン
11 軸受部
12 羽根車
13 吸入口
14,14−a,14−b,14−c 超音波センサ設置面
15 センサ挿入孔
16 超音波センサ
17 診断装置
20 摺動表面
21 油溝
22 基準段差面
23 補正用段差面
30 入射波
31,31−a,31−b,31−c 反射波
40 治具
41 超音波伝播物
Claims (6)
- 駆動源から伝えられた回転力により回転するシャフトと、このシャフトを支持する軸受を有する回転機械において、軸受は、シャフトと対向する摺動面と、この摺動面に設けられ潤滑油の通路となる油溝と、油溝に連通して摺動面から外周側に凹となる基準段差面と、摺動面と異なる面であり摺動面と基準段差面との各々の法線上の軸受外周に設けられた超音波センサ設置面とを有し、シャフトと軸受との間に形成された油膜部と、超音波センサ設置面に対向して設けられ摺動面と基準段差面との各々に超音波パルスを伝播させるとともに、油膜部で反射した超音波パルスを受信する超音波センサと、超音波センサを駆動し、摺動面と基準段差面とから反射された両超音波パルスの強度を予め記憶された油膜厚さと超音波パルスの強度との関係に照らし、摺動面の摩耗量を診断する診断装置とを有し、
前記軸受は、前記摺動面に、前記油溝に連通し、前記基準段差面よりも深い凹となる段差が設けられた補正用段差面を備えるとともに、前記補正用段差面の法線上には前記超音波センサ設置面が設けられたことを特徴とする回転機械。 - 請求項1に記載の回転機械において、
前記油膜部は潤滑油で満たされ、
前記摺動面と前記基準段差面との段差は、前記シャフトの表面と前記基準段差面との距離を遠ざけた場合に、前記超音波センサで受信した反射波の強度が増加する関係を有する段差であることを特徴とする回転機械。 - 請求項1に記載の回転機械において、
前記油膜部は潤滑油で満たされ、
前記摺動面と前記基準段差面との段差である第1の段差は、前記シャフトの表面と前記基準段差面との距離を遠ざけた場合に、前記超音波センサで受信した反射波の強度が増加する関係を有する段差であるとともに、
前記摺動面と前記補正用段差面との段差である第2の段差は、前記シャフトの表面と前記超音波センサで測定する面との距離を摩耗量の診断範囲分減少させた場合に、前記超音波センサで受信した反射波の強度の減少が5%以下である関係を有する段差であることを特徴とする回転機械。 - 請求項1から3の何れかに記載の回転機械において、
前記超音波センサは、前記超音波センサ設置面に機械的に固定されたことを特徴とする回転機械。 - 請求項1から3の何れかに記載の回転機械において、
前記超音波センサは、前記超音波センサ設置面に粘性物を介して固定されたことを特徴とする回転機械。 - 請求項1から3の何れかに記載の回転機械において、
前記超音波センサは、弾性体を介して固定されたことを特徴とする回転機械。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008089159A JP4547439B2 (ja) | 2008-03-31 | 2008-03-31 | 回転機械 |
US12/411,483 US20090241674A1 (en) | 2008-03-31 | 2009-03-26 | Rotary machine |
GB0905473A GB2458793A (en) | 2008-03-31 | 2009-03-30 | Determining wear in a sliding surface of a rotary machine |
CNA2009101329373A CN101551242A (zh) | 2008-03-31 | 2009-03-31 | 旋转机械 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008089159A JP4547439B2 (ja) | 2008-03-31 | 2008-03-31 | 回転機械 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009243997A JP2009243997A (ja) | 2009-10-22 |
JP4547439B2 true JP4547439B2 (ja) | 2010-09-22 |
Family
ID=40671974
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008089159A Expired - Fee Related JP4547439B2 (ja) | 2008-03-31 | 2008-03-31 | 回転機械 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090241674A1 (ja) |
JP (1) | JP4547439B2 (ja) |
CN (1) | CN101551242A (ja) |
GB (1) | GB2458793A (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2979667B1 (fr) * | 2011-09-06 | 2013-10-04 | Snecma | Procede de surveillance du niveau de lubrifiant dans un composant de turbomachine |
CN102589489B (zh) * | 2012-02-09 | 2014-04-23 | 西安交通大学 | 一种圆柱滚子轴承润滑油膜厚分布的检测方法 |
JP2016065762A (ja) * | 2014-09-24 | 2016-04-28 | 株式会社ジェイテクト | 液体膜厚計測方法及び液体膜厚計測装置 |
JP6384263B2 (ja) * | 2014-10-20 | 2018-09-05 | 株式会社ジェイテクト | エコー特性補正方法 |
DE102016212887B4 (de) | 2016-07-14 | 2018-03-29 | Schaeffler Technologies Ag & Co Kg | Messanordnung für Schmieröl und Messverfahren |
CN109737901B (zh) * | 2019-03-12 | 2020-07-24 | 西安交通大学 | 解决圆柱滚子轴承超声膜厚测量空间分辨率不足的方法 |
CN111473750A (zh) * | 2020-04-08 | 2020-07-31 | 江苏科技大学 | 一种柴油机主轴承润滑磨损状态监测装置及方法 |
EP3916251A1 (de) | 2020-05-27 | 2021-12-01 | Flender GmbH | Ultraschallbasierte sensoranordnung, überwachungsverfahren, sensorsystem, gleitlageranordnung und getriebe |
CN113848060A (zh) * | 2021-09-27 | 2021-12-28 | 中国石油大学(华东) | 一种动态测量滑动轴承油膜空化区域的装置及测量系统 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5095754A (en) * | 1989-07-12 | 1992-03-17 | Jeffrey A. Simpson | Apparatus and method for detection of icing onset and ice thickness |
US5176034A (en) * | 1985-02-19 | 1993-01-05 | J. W. Harley Inc. | Ultrasonic transducer |
JPH0534135A (ja) * | 1991-07-29 | 1993-02-09 | Ishikawajima Yusoki Kk | 平軸受厚さの計測方法 |
JP2001141617A (ja) * | 1999-11-15 | 2001-05-25 | Hitachi Ltd | 接触状態計測方法及びその計測装置 |
JP2002257797A (ja) * | 2001-03-06 | 2002-09-11 | Sumitomo Chem Co Ltd | 軸受損傷評価装置及び軸受損傷評価方法及び軸受損傷評価プログラム及びこのプログラムを記録した記憶媒体 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1428369A (en) * | 1972-06-08 | 1976-03-17 | British Steel Corp | Rotary ultrasonic testing apparatus |
JP2001227935A (ja) * | 2000-02-15 | 2001-08-24 | Hitachi Ltd | 大型回転機械におけるジャーナル軸受の異常予知装置 |
GB0021114D0 (en) * | 2000-08-29 | 2000-10-11 | Univ Sheffield | Method and apparatus for determining thickness of lubricant film |
-
2008
- 2008-03-31 JP JP2008089159A patent/JP4547439B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-26 US US12/411,483 patent/US20090241674A1/en not_active Abandoned
- 2009-03-30 GB GB0905473A patent/GB2458793A/en not_active Withdrawn
- 2009-03-31 CN CNA2009101329373A patent/CN101551242A/zh active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5176034A (en) * | 1985-02-19 | 1993-01-05 | J. W. Harley Inc. | Ultrasonic transducer |
US5095754A (en) * | 1989-07-12 | 1992-03-17 | Jeffrey A. Simpson | Apparatus and method for detection of icing onset and ice thickness |
JPH0534135A (ja) * | 1991-07-29 | 1993-02-09 | Ishikawajima Yusoki Kk | 平軸受厚さの計測方法 |
JP2001141617A (ja) * | 1999-11-15 | 2001-05-25 | Hitachi Ltd | 接触状態計測方法及びその計測装置 |
JP2002257797A (ja) * | 2001-03-06 | 2002-09-11 | Sumitomo Chem Co Ltd | 軸受損傷評価装置及び軸受損傷評価方法及び軸受損傷評価プログラム及びこのプログラムを記録した記憶媒体 |
Also Published As
Publication number | Publication date |
---|---|
US20090241674A1 (en) | 2009-10-01 |
CN101551242A (zh) | 2009-10-07 |
GB2458793A (en) | 2009-10-07 |
JP2009243997A (ja) | 2009-10-22 |
GB0905473D0 (en) | 2009-05-13 |
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