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针对重型运输液压模块挂车的合理装载方案设计与静动态响应分析,运用ANSYS与ADAMS之间接口,建立整车刚柔耦合动力学模型,其中把车架看为柔性体。将振动测试实验与仿真计算进行校验,结果表明:仿真计算得到的频谱规律与实验结果比较接近,所建立模型是合理的。由液压悬挂系统的支撑方式与鞍座支架数量及其位置而分为多种装载方案,根据车架有限元静态分析结果,鞍座支架数量为3的装载方案能够满足车架强度要求,且可减少支架数量。考虑挂车在不同路面等级与车速下的运行工况及液压悬挂系统支撑方式,对已选择装载方案的多体动力学模型进行仿真计算,并分析各因素对挂车动态响应的影响。
Aiming at the reasonable loading scheme design and static and dynamic response analysis of heavy haul hydraulic module trailer, the rigid-flexible coupling dynamic model of the whole vehicle is established by using the interface between ANSYS and ADAMS, in which the frame is regarded as flexible body. The vibration test and the simulation calculation are verified. The results show that the spectrum law obtained by the simulation is close to the experimental result, and the model is reasonable. According to the finite element static analysis results of the frame, the loading scheme with the number of saddle supports 3 can meet the requirements of the frame strength, and can be divided into a variety of loading schemes by the support of the hydraulic suspension system and the number of saddle supports and their positions. Reduce the number of stents. The multi-body dynamics model of the selected loading scheme is simulated and the influence of various factors on the dynamic response of the trailer is analyzed considering the running conditions of the trailer under different road surface rank and speed and the supporting mode of the hydraulic suspension system.