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装载机转向负荷敏感型变量柱塞泵的压力特性直接决定了转向系统的卸荷特性,对整机的平稳性和工作寿命具有较大的影响。分析了装载机转向负荷敏感型变量柱塞泵的工作原理,建立了压力控制的数学模型,在Matlab/Simulink下进行了仿真计算与分析,为变量柱塞泵在装载机上的应用提供了一定的参考。
The pressure characteristics of the load-sensitive variable displacement piston pump of the steering wheel loader directly determine the unloading characteristics of the steering system, which has a great impact on the stability and working life of the complete machine. The working principle of the load-sensitive variable displacement piston pump of loader is analyzed. The mathematical model of pressure control is established. The simulation calculation and analysis are carried out under the condition of Matlab / Simulink, which provides certain application for the variable displacement piston pump in the loader. reference.