According to design requirement of heavy duty dump car,CAD method are used to make arrangements for lift mechanism layout,calculate active force in different lift location,decide lift hydro cylinder and hydraulic system.

• 根据用户对重型自卸车的设计要求 ,采用计算机辅助设计的方法对重型自卸车的举升机构的布置方案、各个不同举升位置的受力计算、举升油缸及液压系统的设计计算进行了探讨。