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ZHANG Jun, JIA Xiao-ping, SUN Chuan-xi, SUN Li-ping. Contact relationship of wear wheel and curved rail[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 29-33. doi: 10.19818/j.cnki.1671-1637.2011.03.006
Citation: ZHANG Jun, JIA Xiao-ping, SUN Chuan-xi, SUN Li-ping. Contact relationship of wear wheel and curved rail[J]. Journal of Traffic and Transportation Engineering, 2011, 11(3): 29-33. doi: 10.19818/j.cnki.1671-1637.2011.03.006
shu

Contact relationship of wear wheel and curved rail

doi: 10.19818/j.cnki.1671-1637.2011.03.006
  • 1.

    School of Traffic and Transportation, Dalian Jiaotong University, Dalian 116028, Liaoning, China

  • 2.

    CSR Nanjing Puzhen Rolling Stock Co., Ltd., Nanjing 210031, Jiangsu, China

More Information
  • Author Bio:

    ZHANG Jun(1972-), male, professor, PhD, +86-411-84109301, zhangjun@djtu.edu.cn

  • Received Date: 2010-12-14
  • Publish Date: 2011-06-25
    Abstract
  • The wear wheel profile of JM3 type of SS4 locomotive and the profile of rail with small radius curve were measured by using wheel/rail instrument, and wheel geometric profiles were obtained by using spline curve fitting method. Five different degrees of wheel profiles were chosen, a 3D wheel/rail contact finite element model was built, and wheel/rail contact plaque areas and contact stresses were calculated. Calculation result indicates that when Ⅰ type wheel contacts with wear rail, contact plaque area is smallest, only 183 mm2. The maximum Von Mises stress is 1 459 MPa, and contact stress mainly concentrates wheel flange root. WhenⅡtype wheel contacts with wear rail, contact plaque area is 294 mm2. When Ⅲ type wheel contacts with wear rail, contact plaque area increases significantly. The maximum Von Mises stress is 1 137 MPa, contact stress distribution is relatively uniform, and flange wear slows down. When Ⅳ type wheel contacts with wear rail, the maximum Von Mises stress is 890 MPa, When Ⅴ type wheel contacts with wear rail, the maximum Von Mises stress is 953 MPa, but flange wear has reached limit state.

     

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