In order to reduce the hydraulic impact on the hydraulic system of an artil ery feed mechanism,this paper uses AMESim software to build the simulation model of the feed mechanism,analyzed the hydraulic impact principle and the parameter variables which have influence on the hydraulic impact. Base on the simulation model, the effect of different parameters on the feed mechanism is analyzed on the condition of only changing one parameter. Then the measures of reducing hydraulic impact and the development direction are were presented. The conclusions are of some reference values to the optimal design of this system.%为尽量减小某火炮输弹机构液压系统中存在的液压冲击问题，利用AMESim软件建立了输弹机构液压系统的仿真模型。通过分析液压冲击原理，得出影响液压冲击的参数变量。基于仿真模型，在单纯改变某一影响参数的条件下，分析了不同参数变量对输弹机构液压冲击的影响，提出了减小液压冲击的措施以及需要进一步研究的方向，此结论对输弹机构液压系统的优化设计具有一定的参考价值。
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