液压冲击器运动规律仿真研究

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Simulation of M otion characteriatics for Hydraulic ImpactorWANG Cong，YANG Guoping(College of Automotive Engineering，Shanghai University of Engineering Science，Shanghai 201 620，China)Abstract：Based on the operational principle of hydraulic impactors，a simulation model of gas-liquidunited hydraulic impactors was built on the one-dimensional fluid simulation software Flowmasterplatform.Through the simulation model，the motion law of the piston，internal pressure and change offlow were analyzed.The simulation method provides a reference model for further studies of this type ofhydraulic impactor，and presents a new modeling method for development of related products andoptimization of system parameters。

Key words：hydraulic impactor；motion characteristics；Flowmaster simulation software液压冲击器是液压破碎锤、液压凿