The tow truck are refitted from second-class chassis which can not adapt the tow truck working. Based on ANSYS Workbench, Finite Element Analysis for chassis of tow truck finished and structure of chassis was improved.%国内清障车基本是由载货汽车的二类底盘改装而成的,其底盘结构不能完全适应清障车作业,底盘性能未能充分利用。基于ANSYS Workbench软件对清障车底盘进行了有限元计算,分析了制约清障车作业能力的原因,并进行了结构改进。
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