摘要
为研究回油蓄能器对液压冲击器输出性能的影响,构建了液压冲击器的数学模型,并运用AMESim软件建立了设置回油蓄能器与不带回油蓄能器的液压冲击器的仿真系统。通过仿真得出液压冲击器活塞的位移、速度以及回油腔压力曲线。通过仿真结果与实验结果对比,验证了仿真系统的合理性。仿真结果表明:回油蓄能器能小幅度提高液压冲击器的冲击频率和冲击能量,并能有效降低回油压力的冲击,为液压冲击器的设计提供了理论依据。
To investigate the impact of low pressure accumulator on the performance of hydraulic impactor, a mathematic model of hydraulic impactor is established. By application of AMESim, the simulation models of hydraulic impactor with low pressure accumulator and hydraulic impactor without low pressure accumulator are obtained. After model calculation, the displacement, velocity of the piston and the return pressure are shown in figures. Rationality of the simulation system is verified by comparing simulation results with experimental results. The simulation results show that the low pressure accumulator can increase the impact energy and frequency of hydraulic impactor in a small degree and reduce the impact of return pressure significantly.
出处
《计算机仿真》
CSCD
北大核心
2014年第11期236-239,共4页
Computer Simulation
基金
国家高技术研究发展计划(863计划)(SS2012AA041809)
关键词
液压冲击器
回油蓄能器
仿真
Hydraulic impactor
Low pressure accumulator
Simulation
