Journal of the Korean Society for Precision Engineering (한국정밀공학회지)

Korean Society for Precision Engineering (한국정밀공학회)
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New Lateral Force Measurement Method of the Wheel Plate for Railway Vehicles

철도차량용 차륜 플레이트에서의 새로운 횡압 계측방법

  • Ham, Young-Sam (Safety Research Division, Korea Railroad Research Institute) ;
  • Jun, Hyun-Kyu (R&D Strategy Division, Korea Railroad Research Institute) ;
  • Seo, Jung-Won (Testing and Certification Center, Korea Railroad Research Institute) ;
  • Lee, Dong-Hyong (High-speed Railroad Interface Research Division, Korea Railroad Research Institute) ;
  • Kwon, Seok-Jin (High-speed Railroad Interface Research Division, Korea Railroad Research Institute)
  • 함영삼 (한국철도기술연구원 시스템안전연구실) ;
  • 전현규 (한국철도기술연구원 기술전략실) ;
  • 서정원 (한국철도기술연구원 시험인증안전센터) ;
  • 이동형 (한국철도기술연구원 고속철도인터페이스연구실) ;
  • 권석진 (한국철도기술연구원 고속철도인터페이스연구실)
  • Received : 2012.04.23
  • Accepted : 2012.04.27
  • Published : 2012.06.01
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Abstract

Conventionally, to measure derailment coefficient of a railway wheel, strain gauges for lateral force measurement are attached to both side of the wheel. But narrow gap between railway wheel and traction motor makes it difficult to attache the strain gauges at the inner side of wheel. In this study, to overcome the hard accessibility to the strain gauge points by narrow gap, a new Wheatstone bridge connection method is presented by attaching all the strain gauges at the outer side of wheel with a new bridge connection. We evaluate the running safety of railway vehicles in accordance with railway safety regulations. The experimental results obtained shows higher sensitivity than conventional methods and the derailment coefficient measurement procedure becomes simpler.

Keywords

References

  1. Ham, Y. S., Hong, J. S., and Oh, T. Y., "A study on the evaluation methods of running safety for railway vehicle," Key Engineering Materials, Trans. Tech. Publications, Vol. 321-323, pp. 1499-1502, 2006. https://doi.org/10.4028/www.scientific.net/KEM.321-323.1499
  2. Ham, Y. S., Lee, D. H., Kwon, S. J., You, W. H., and Oh, T. Y., "Continuous Measurement of Interaction Forces between Wheel and Rail," International Journal of Precision Engineering and Manufacturing, Vol. 10, No. 1, pp. 35-39, 2009. https://doi.org/10.1007/s12541-009-0006-3
  3. Ham, Y. S., "A study on calculation of contact forces between wheel and rail generated by bending load transmitted by axle of rolling stocks," Asian Symposium for Precision Engineering and Nanotechnology, 2009.
  4. Ham, Y. S., Lee, D. H., Seo, J. W., Kwon, S. J., and Jun, H. K., "Evaluation of curving performance and running safety for KTX-Sancheon train by wheel-sets load cell," Asian Symposium for Precision Engineering and Nanotechnology, 2011.
  5. Kanehara, H. and Ohno, K., "Development of a continuous measuring system for contact position between wheel and rail toward clarification of derailment mechanism," JR EAST Technical Review, No. 2, pp. 54-60, 2003.

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