JPS6344161B2 - - Google Patents

Info

Publication number
JPS6344161B2
JPS6344161B2 JP56059191A JP5919181A JPS6344161B2 JP S6344161 B2 JPS6344161 B2 JP S6344161B2 JP 56059191 A JP56059191 A JP 56059191A JP 5919181 A JP5919181 A JP 5919181A JP S6344161 B2 JPS6344161 B2 JP S6344161B2
Authority
JP
Japan
Prior art keywords
rail
voltage
distance
comparator
displacement
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
Application number
JP56059191A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57173701A (en
Inventor
Yasushi Shirota
Hiroshi Ito
Makio Kamya
Yukio Takino
Kanji Matsuhashi
Hiroshi Imaike
Kyohisa 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.)
Railway Technical Research Institute
Shinkawa Electric Co Ltd
Original Assignee
Railway Technical Research Institute
Shinkawa Electric Co Ltd
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 Railway Technical Research Institute, Shinkawa Electric Co Ltd filed Critical Railway Technical Research Institute
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 JPS57173701A (en) 1982-10-26
JPS6344161B2 true 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)

Families Citing this family (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
IT1209599B (it) * 1984-11-15 1989-08-30 Siette Spa Sistema di rilevamento di livello per veicoli.
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
FR2621114B1 (fr) * 1987-09-28 1991-05-17 Alsthom Dispositif pour la mesure sans contact de la position d'une premiere piece par rapport a une seconde piece
FR2630204B1 (fr) * 1988-04-18 1991-05-10 Alsthom Capteur de position
DE4231346C2 (de) * 1992-09-18 1997-11-20 Siemens Ag Einzelrad-Steuervorrichtung
DE10025661A1 (de) * 2000-05-24 2001-12-06 Balluff Gebhard Feinmech Wegmeßsystem
JP3572460B2 (ja) * 2002-01-17 2004-10-06 マークテック株式会社 渦流探傷用プローブ
US6995556B2 (en) * 2002-07-23 2006-02-07 Ensco, Inc. Electromagnetic gage sensing system and method for railroad track inspection
US7719263B2 (en) * 2006-11-22 2010-05-18 Zf Friedrichshafen Ag Inductive position measuring device or goniometer
JP4810480B2 (ja) * 2007-03-26 2011-11-09 株式会社日立ハイテクノロジーズ 軌道検測車
JP4886566B2 (ja) * 2007-03-26 2012-02-29 株式会社日立ハイテクノロジーズ 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
JP5606762B2 (ja) * 2010-03-29 2014-10-15 株式会社Ｎｉｐｐｏ 測位装置
CN102928066B (zh) * 2012-11-19 2015-01-07 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
JP6210358B2 (ja) * 2013-03-26 2017-10-11 Smc株式会社 変位センサ
JP6719111B2 (ja) * 2016-04-06 2020-07-08 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
JP6625489B2 (ja) * 2016-06-28 2019-12-25 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
JP6896250B2 (ja) * 2016-11-17 2021-06-30 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
CN113932716B (zh) * 2021-11-11 2023-04-28 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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757164A (en) * 1970-07-17 1973-09-04 Minnesota Mining & Mfg Neutralizing device
JPS5341982A (en) * 1976-09-29 1978-04-15 Hitachi Ltd Wafer holder for ion implantation processing

Also Published As

Publication number Publication date
JPS57173701A (en) 1982-10-26

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