摘要
本文分析了ＱＱ５６１双向自卸车车架受力状态及采用光弹贴片方法，对其进行现场应力实测，以确定关键部位在各种工况下的应力分布，为此种汽车车架的合理设计与改进提供了可靠的依据。
Loading condition of the QQ561 dump truck' s frame was analgjed. Scencephotoelastic stress determination was done for the tvuck's frame in order to define stressdistribution within some key regions under all kinds of work states and supply a reliable basisfor design and improvement of the truck's frame.
关键词
车架
应力分析
光弹法
双向
自卸车
Dump truck' s frame Vertical deam Stress analysis Photo-elastic method
