JPS57173701A - Eddy current type device and method for measuring rail displacement - Google Patents

Eddy current type device and method for measuring rail displacement

Info

Publication number
JPS57173701A
JPS57173701A JP5919181A JP5919181A JPS57173701A JP S57173701 A JPS57173701 A JP S57173701A JP 5919181 A JP5919181 A JP 5919181A JP 5919181 A JP5919181 A JP 5919181A JP S57173701 A JPS57173701 A JP S57173701A
Authority
JP
Japan
Prior art keywords
rail
coil
coils
gap
average
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.)
Granted
Application number
JP5919181A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6344161B2 (enrdf_load_stackoverflow
Inventor
Yasushi Shirota
Hiroshi Ito
Makio Kamiya
Yukio Takino
Kanji Matsuhashi
Hiroshi Imaike
Kiyohisa Nakamura
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.)
JAPANESE NATIONAL RAILWAYS<JNR>
Japan National Railways
Shinkawa Electric Co Ltd
Nippon Kokuyu Tetsudo
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Japan National Railways
Shinkawa Electric Co Ltd
Nippon Kokuyu Tetsudo
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by JAPANESE NATIONAL RAILWAYS<JNR>, Japan National Railways, Shinkawa Electric Co Ltd, Nippon Kokuyu Tetsudo filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP5919181A priority Critical patent/JPS57173701A/ja
Publication of JPS57173701A publication Critical patent/JPS57173701A/ja
Publication of JPS6344161B2 publication Critical patent/JPS6344161B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
    • G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
    • G01B7/023—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring distance between sensor and object

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Machines For Laying And Maintaining Railways (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
JP5919181A 1981-04-21 1981-04-21 Eddy current type device and method for measuring rail displacement Granted JPS57173701A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5919181A JPS57173701A (en) 1981-04-21 1981-04-21 Eddy current type device and method for measuring rail displacement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5919181A JPS57173701A (en) 1981-04-21 1981-04-21 Eddy current type device and method for measuring rail displacement

Publications (2)

Publication Number Publication Date
JPS57173701A true JPS57173701A (en) 1982-10-26
JPS6344161B2 JPS6344161B2 (enrdf_load_stackoverflow) 1988-09-02

Family

ID=13106271

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5919181A Granted JPS57173701A (en) 1981-04-21 1981-04-21 Eddy current type device and method for measuring rail displacement

Country Status (1)

Country Link
JP (1) JPS57173701A (enrdf_load_stackoverflow)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59124309U (ja) * 1983-02-10 1984-08-21 芝浦メカトロニクス株式会社 レ−ル位置検出装置
DE3538349A1 (de) * 1984-11-15 1986-07-10 S.I.E.T.T.E. S.p.A., Florenz/Firence Vorrichtung zur ermittlung der bodenfreiheit eines fahrzeugs
JPS61250501A (ja) * 1985-04-27 1986-11-07 Universal Kiki Kk 第３軌条の偏位測定装置
JPS648U (enrdf_load_stackoverflow) * 1987-06-20 1989-01-05
FR2621114A1 (fr) * 1987-09-28 1989-03-31 Alsthom Dispositif pour la mesure sans contact de la position d'une premiere piece par rapport a une seconde piece
FR2630204A1 (fr) * 1988-04-18 1989-10-20 Alsthom Capteur de position
DE4231346A1 (de) * 1992-09-18 1994-03-24 Siemens Ag Einzelrad-Steuervorrichtung
US6714004B2 (en) * 2000-05-24 2004-03-30 Balluff Gmbh Inductive position measuring system
US6791319B2 (en) * 2002-01-17 2004-09-14 Marktec Corporation Eddy current probe with transverse polygonal detecting coil
US6995556B2 (en) * 2002-07-23 2006-02-07 Ensco, Inc. Electromagnetic gage sensing system and method for railroad track inspection
JP2008129025A (ja) * 2006-11-22 2008-06-05 Cherry Gmbh 誘導式の位置測定装置または角度測定装置
JP2008241307A (ja) * 2007-03-26 2008-10-09 Hitachi High-Technologies Corp レール高さ検出方法、レール高さ検出機構およびレール高さ変位量測定装置
JP2008241322A (ja) * 2007-03-26 2008-10-09 Hitachi High-Technologies Corp 軌道検測車
JP2011208967A (ja) * 2010-03-29 2011-10-20 Nippo Corp 測位装置
CN102928066A (zh) * 2012-11-19 2013-02-13 上海海事大学 一种基于三角形振幅探测传感器的桥梁振幅探测装置与探测方法
JP2014190711A (ja) * 2013-03-26 2014-10-06 Smc Corp 変位センサ
JP2017187384A (ja) * 2016-04-06 2017-10-12 新川センサテクノロジ株式会社 渦電流形センサを用いたレール摩耗測定方法及びその測定装置
WO2018003460A1 (ja) * 2016-06-28 2018-01-04 株式会社日立ハイテクファインシステムズ レール検査システム
JP2018081035A (ja) * 2016-11-17 2018-05-24 新川センサテクノロジ株式会社 オープン形コイルの渦電流形センサ及びこれを用いたレール変位測定方法
CN113932716A (zh) * 2021-11-11 2022-01-14 四川九洲电器集团有限责任公司 一种大型电机线圈检测装置及检测方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4784U (enrdf_load_stackoverflow) * 1970-07-17 1972-02-23
JPS5341982A (en) * 1976-09-29 1978-04-15 Hitachi Ltd Wafer holder for ion implantation processing

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4784U (enrdf_load_stackoverflow) * 1970-07-17 1972-02-23
JPS5341982A (en) * 1976-09-29 1978-04-15 Hitachi Ltd Wafer holder for ion implantation processing

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59124309U (ja) * 1983-02-10 1984-08-21 芝浦メカトロニクス株式会社 レ−ル位置検出装置
DE3538349A1 (de) * 1984-11-15 1986-07-10 S.I.E.T.T.E. S.p.A., Florenz/Firence Vorrichtung zur ermittlung der bodenfreiheit eines fahrzeugs
JPS61250501A (ja) * 1985-04-27 1986-11-07 Universal Kiki Kk 第３軌条の偏位測定装置
JPS648U (enrdf_load_stackoverflow) * 1987-06-20 1989-01-05
FR2621114A1 (fr) * 1987-09-28 1989-03-31 Alsthom Dispositif pour la mesure sans contact de la position d'une premiere piece par rapport a une seconde piece
US4912406A (en) * 1987-09-28 1990-03-27 Alsthom Device for determining position of a railway vehicle by measuring deviation in position of a magnet
FR2630204A1 (fr) * 1988-04-18 1989-10-20 Alsthom Capteur de position
DE4231346A1 (de) * 1992-09-18 1994-03-24 Siemens Ag Einzelrad-Steuervorrichtung
US6714004B2 (en) * 2000-05-24 2004-03-30 Balluff Gmbh Inductive position measuring system
US6791319B2 (en) * 2002-01-17 2004-09-14 Marktec Corporation Eddy current probe with transverse polygonal detecting coil
US6995556B2 (en) * 2002-07-23 2006-02-07 Ensco, Inc. Electromagnetic gage sensing system and method for railroad track inspection
JP2008129025A (ja) * 2006-11-22 2008-06-05 Cherry Gmbh 誘導式の位置測定装置または角度測定装置
JP2008241307A (ja) * 2007-03-26 2008-10-09 Hitachi High-Technologies Corp レール高さ検出方法、レール高さ検出機構およびレール高さ変位量測定装置
JP2008241322A (ja) * 2007-03-26 2008-10-09 Hitachi High-Technologies Corp 軌道検測車
JP2011208967A (ja) * 2010-03-29 2011-10-20 Nippo Corp 測位装置
CN102928066A (zh) * 2012-11-19 2013-02-13 上海海事大学 一种基于三角形振幅探测传感器的桥梁振幅探测装置与探测方法
JP2014190711A (ja) * 2013-03-26 2014-10-06 Smc Corp 変位センサ
JP2017187384A (ja) * 2016-04-06 2017-10-12 新川センサテクノロジ株式会社 渦電流形センサを用いたレール摩耗測定方法及びその測定装置
WO2018003460A1 (ja) * 2016-06-28 2018-01-04 株式会社日立ハイテクファインシステムズ レール検査システム
JP2018004295A (ja) * 2016-06-28 2018-01-11 株式会社日立ハイテクファインシステムズ レール検査システム
US10739311B2 (en) 2016-06-28 2020-08-11 Hitachi High-Tech Fine Systems Corporation Rail inspection system
JP2018081035A (ja) * 2016-11-17 2018-05-24 新川センサテクノロジ株式会社 オープン形コイルの渦電流形センサ及びこれを用いたレール変位測定方法
CN113932716A (zh) * 2021-11-11 2022-01-14 四川九洲电器集团有限责任公司 一种大型电机线圈检测装置及检测方法

Also Published As

Publication number Publication date
JPS6344161B2 (enrdf_load_stackoverflow) 1988-09-02

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