JPS5242747A - Device for measuring the abrasion wear of a trolley line - Google Patents

Device for measuring the abrasion wear of a trolley line

Info

Publication number
JPS5242747A
JPS5242747A JP11773875A JP11773875A JPS5242747A JP S5242747 A JPS5242747 A JP S5242747A JP 11773875 A JP11773875 A JP 11773875A JP 11773875 A JP11773875 A JP 11773875A JP S5242747 A JPS5242747 A JP S5242747A
Authority
JP
Japan
Prior art keywords
trolley line
measuring
abrasion wear
light
abrasion
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
JP11773875A
Other languages
Japanese (ja)
Other versions
JPS5515643B2 (en
Inventor
Kenji Horiki
Matsutaro Ichikawa
Eisaku Yasumatsu
Kazuya Tsukada
Fukuo Iwatani
Shinji Abe
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>
Hitachi Ltd
Japan National Railways
Nippon Kokuyu Tetsudo
Hitachi High Tech Corp
Original Assignee
JAPANESE NATIONAL RAILWAYS<JNR>
Hitachi Ltd
Japan National Railways
Nippon Kokuyu Tetsudo
Hitachi Electronics Engineering 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 JAPANESE NATIONAL RAILWAYS<JNR>, Hitachi Ltd, Japan National Railways, Nippon Kokuyu Tetsudo, Hitachi Electronics Engineering Co Ltd filed Critical JAPANESE NATIONAL RAILWAYS<JNR>
Priority to JP11773875A priority Critical patent/JPS5242747A/en
Publication of JPS5242747A publication Critical patent/JPS5242747A/en
Publication of JPS5515643B2 publication Critical patent/JPS5515643B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)

Abstract

PURPOSE: To accurately measure the abrasion wear of a trolley line by scanning the sliding surface of the trolley line with beams of light and detect the reflected feedback flux of light.
COPYRIGHT: (C)1977,JPO&Japio
JP11773875A 1975-10-01 1975-10-01 Device for measuring the abrasion wear of a trolley line Granted JPS5242747A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11773875A JPS5242747A (en) 1975-10-01 1975-10-01 Device for measuring the abrasion wear of a trolley line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11773875A JPS5242747A (en) 1975-10-01 1975-10-01 Device for measuring the abrasion wear of a trolley line

Publications (2)

Publication Number Publication Date
JPS5242747A true JPS5242747A (en) 1977-04-02
JPS5515643B2 JPS5515643B2 (en) 1980-04-25

Family

ID=14719060

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11773875A Granted JPS5242747A (en) 1975-10-01 1975-10-01 Device for measuring the abrasion wear of a trolley line

Country Status (1)

Country Link
JP (1) JPS5242747A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144207A (en) * 1986-12-08 1988-06-16 Fuji Electric Co Ltd Optical length measuring instrument
JPH0419503A (en) * 1990-02-26 1992-01-23 Railway Technical Res Inst Method for measuring wear of trolley wire

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0454628Y2 (en) * 1985-06-03 1992-12-22
JPS615487A (en) * 1985-06-05 1986-01-11 Hitachi Maxell Ltd Tape cartridge

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855758A (en) * 1971-11-10 1973-08-04

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4855758A (en) * 1971-11-10 1973-08-04

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63144207A (en) * 1986-12-08 1988-06-16 Fuji Electric Co Ltd Optical length measuring instrument
JPH0419503A (en) * 1990-02-26 1992-01-23 Railway Technical Res Inst Method for measuring wear of trolley wire

Also Published As

Publication number Publication date
JPS5515643B2 (en) 1980-04-25

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