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以ＰＣＹ１８０型液压破碎冲击器为研究对象，应用功率键合图法和状态空间分析方法，对液压破碎冲击器回油管道在瞬间回油状态下的动态特性进行了计算机仿真分析研究，建立了较为详尽的系统动态数学模型。
Taking PCY180 hydraulic crushing impactor as the research object, the dynamic characteristics of the hydraulic crushing impactor oil return pipe under the condition of instantaneous oil return are studied by using the power bond graph method and the state space analysis method, and a comparatively Detailed system dynamics mathematical model.