多功能装载机工作装置机械-液压系统联合仿真

为准确分析多功能装载机工作装置的运动及各部件的受力状况,研究工作装置在整个工作循环过程中的平移性、自动放平性及其卸料性,应用Denavit-Hartenberg方法来建立工作装置机构运动学模型,并建立液压系统动力学模型。采用多体动力学软件MSC.ADAMS及其液压模块,建立多功能装载机工作装置机械-液压联合仿真模型。对多功能装载机工作装置进行一个循环的仿真分析,研究结果表明,分析结果全面地反映了工作装置的运动状况及各个部件的受力状况,较好地验证了工作装置机械性能和液压系统的动态性能。

Combined simulation of mechanism-hydraulics system of working device of multi-functional wheel loader

In order to analyze movement process of the working device of multi-functional wheel loader and to calculate the load of every part,Denavit-Hartenberg method was applied to establish the kinematics of mechanism model,and simultaneously the dynamics model of hydraulic system was established.A multi-body dynamics software MSC.ADAMS and its hydraulic module were applied to build mechanism-hydraulics system simulation model.A whole working cycle process of the working device of wheel loader was simulated.The analysis results comprehensively show the movement process of the working device and the loaded condition of every part,and verify the mechanical properties of the working device and dynamic performance hydraulic system successfully.