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Design and Structure Analysis of Wheeled Chassis With Self-Balancing Rocker of Rescue Engineering Machinery

[+] Author Affiliations
Guoyan Xu, Xiaopo Wang, Feng Gao, Xiaolin Xie, Nenggen Ding

Beihang University, Beijing, China

Paper No. IMECE2013-63568, pp. V013T14A015; 12 pages
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 13: Transportation Systems
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5642-0
  • Copyright © 2013 by ASME


A wheeled chassis with self-balancing rocker is developed for rescue engineering machinery. This chassis has better ground adaptability compared with traditional ones because of the automatically adjustable ground clearance and body posture, non-trapezium steering mechanism, independent four-wheel steering, and “X”-type radiation legs.

Finite element analysis on the chassis structure is done with two mechanical models and under typical finite element working conditions. HyperWorks software is used to analyze different parts of the chassis, and the results are used for structure optimization. The rocker plate thickness and rocker frame topology are optimized using Optistruct. The results demonstrate the effectiveness and feasibility of proposed optimization methods.

Copyright © 2013 by ASME
Topics: Machinery , Design



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