吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (06): 1583-1588.

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Effect of Rops stiffness| shope angle and seatbelt restraint on operator injury in rollover of engineering vehicle

SI Jun-de1,WANG Guo-qiang1,WEI Xiu-ling1,2,WANG Ji-xin1   

  1. 1.College of Mechanical Science and Engineering,Jilin University,Changchun 130022,China；2.Department of Aeronautic Mechanical Engineering,Aviation University of Air force,Changchun 130022,China
  • Received:2009-09-24 Online:2010-11-01 Published:2010-11-01

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Abstract:

The dynamic responses of the driver in a ZL50 loader during rollover process on 30° and 45° slopes were studied using the finite element analysis and the multirigidbody method. The effects of the stiffness of the rollover prevention structure(ROPS), the slope gradient, and the seatbelt restraint on driver injury were analyzed taking the human body injury risks as evaluation indexes. The results showed that on the premise of maintaining a necessary survival space for the driver, the human body injury alleviates with decrease of ROPS stiffness. The change of slope gradient leads to the various injury position of human body. The 4point seatbelt decreases effectively the head injury risk, but the type of seatbelt has little impact on neck injury.

Key words: specialuse machinery engineering, engineering vehicle, body injury, rollover protective structure(ROPS)

CLC Number: 

  • TH243
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