MEASURING INSTRUMENT OF TROLLEY WIRE RESIDUAL DIAMETER BY USE OF I. T. V. (REPORT 2)

Continuous and automatic measurement of trolley wire residual diameter from a running inspection car has been urgently required. The first instrument, which was developed in 1968, proved to have measuring accuracy of 0.8 mm at running speed of 210 km/h. the improved instrument with flexible lens system which makes use of glass fiber scope was developed to attain measuring accuracy of 0.1 mm.

• Availability:
  • Find a library where document is available. Order URL: http://worldcat.org/oclc/3127232
• Corporate Authors:

  JAPANESE NATIONAL RAILWAYS

  TOKYO,   Japan 
• Authors:
  • Horiki, K
  • Ichikawa, M
  • Yasumatsu, E
• Publication Date: 1973-9

Media Info

• Features: Figures; Tables;
• Pagination: p. 163-164
• Serial:
  • Railway Technical Research Institute, Quarterly Reports
  • Volume: 14
  • Issue Number: 3
  • Publisher: Railway Technical Research Institute/Tetsudo Gijutsu Kenkyujo
  • ISSN: 0033-9008
  • Serial URL: http://www.rtri.or.jp/eng/

Subject/Index Terms

• TRT Terms: Catenaries (Railroads); Contact wire; Railroad electrification; Technology
• Geographic Terms: Japan
• Subject Areas: Construction; Railroads;

Filing Info

• Accession Number: 00050874
• Record Type: Publication
• Report/Paper Numbers: Quart Rpt
• Files: TRIS
• Created Date: Feb 15 1974 12:00AM