液压系统动态分析方法改进研究
首发时间:2013-06-08
摘要:针对传统方法的不足,提出了一种改进的液压系统动态分析方法,并给出了分析流程图。以液压式冲压机液压系统为例,分析液压系统工作频率偏低原因,并从系统和元器件两方面提出改进方案。利用CFD软件对二位二通阀的内部流场进行分析,验证了其在系统中替换顺序阀的可行性;应用联合仿真技术,对液压系统改进后液压系统进行分析。分析结果表明:改进后液压系统工作频率有明显提高。
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Study on Improvement of the Dynamic Analysis Method of Hydraulic System
Abstract:Aiming at the shortcomings of the traditional method, an improved dynamic analysis method of hydraulic system is proposed. By taking hydraulic system of a hydraulic punch press as an example, the improvement program is put forward from two aspects of system and component to solve the problem of low working frequency. Internal flow fields of the 2 position 2 port hydraulic valve is analyzed with computational fluid dynamics software to verify the feasibility of substituting the sequence valve in hydraulic system. The co-simulation analysis results of the improved hydraulic system show that working frequency of the hydraulic system markedly improved.
Keywords: Hydraulic system Dynamic analysis method Co-simulation CFD
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