液压高速冲击模拟系统

设计了一套液压式高速冲击模拟系统。采用高压蓄能器供油,通过伺服阀控缸系统将液压能转换为冲击能,模拟冲击速度与加速度的动态变化过程,并且具有冲击角度调整功能。介绍了液压冲击模拟系统的组成与工作原理,重点分析了液压冲击机构;建立了基于蓄能器供油的伺服阀控缸系统动态模型,分析了其简化模型和基本特性;分析了冲击动态模型中各参数对于冲击过程的影响。最后介绍了液压冲击模拟系统的原理样机,并给出了冲击试验数据。

Hydraulic High-speed Impact Simulation System

A hydraulic high speed impact simulation system is designed in this paper, which uses high pressure accumulator to supply oil and converts hydraulic energy into impact energy through servo valve controlled cylinder system. This system can simulate dynamic change process of impact velocity and acceleration of projectile, and has impact angle adjustment function. First, the composition and working principle of this hydraulic impact simulation system is introduced, as well as the analysis of the hydraulic impact mechanism. Then the system dynamics model of servo valve controlled cylinder based on accumulator oil is built, and the simplified model and its basic characteristics are analyzed. The Influences of various parameters in impact dynamic model on impact process are also discussed. Final, the simulation prototype system of hydraulic impact is presented, the actual impact test data and corresponding analysis conclusions are also given.