›› 2012, Vol. 42 ›› Issue (04): 828-833.

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Dynamic design method of engineering vehicle rollover protective structure

FENG Su-li1,2, MENG Guang-wei1, SI Jun-de3, TONG Feng-hua2, LIN Sen2   

  1. 1. College of Mechanical Science and Engineering, Jilin University, Changchun 130022, China;
    2. Department of Basic, Institute of Armor Technology, Changchun 130117, China;
    3. Zhengzhou Yutong Bus Co., Ltd., Zhengzhou 450016, China
  • Received:2011-06-23 Online:2012-07-01 Published:2012-07-01

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Abstract: Taking the 2-column type rollover protective structure(ROPS) of the loader of type ZL80 as an example, based on the dynamic simulation and test, according to the requirements of the international standard for ROPS, ISO 3471, a ROPS design method which focuses on minimizing the human body injury was proposed. The design method analyzed the movement and damage of the operator and vehicle in the way of accident reconstruction, and on the basis of this analysis, the ROPS security design was performed. The results show that the ROPS meeting the static test standard could not guarantee the safety of the operator wearing a seat belt. On the premise to assure the human body living space in the dynamic rollover process, the smaller the stiffness of ROPS, the smaller the damage value and damage probability of the dummy. For the 2-column type ROPS, the column and outrigger should have appropriate stiffness.

Key words: mechanical design, vehicle engineering, rollover protective structure(ROPS), human injury, dynamic response

CLC Number: 

  • TH243
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