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文中针对一种液控换向阀“换向压力值”不稳定问题展开分析,阐述了改进前液控换向阀的工作原理,通过对关键部件的结构分析与返修液控换向阀的多次测试,确定了问题的关键点,基于液控换向阀的功能原理,对“换向压力值”的关键点提出了新的结构设计,将不确定因素转换为可定因素,并详述了改进后的液控换向阀工作原理与具体的实施步骤,确保了“换向压力值”的稳定性,最终通过实际应用得到了理想的实施结果。
In this paper, an analysis of a hydraulic control valve “commutation pressure ” instability, analysis of the working principle of the hydraulic pilot valve before the improvement, through the structural analysis of the key components and repair of hydraulic control valve Based on the functional principle of hydraulic pilot valve, a new structural design was proposed for the key points of “reversing pressure value ”, and the uncertainty was converted into a settable factor , And details the working principle and specific implementation steps of the improved pilot valve to ensure the stability of “commutation pressure value ” and finally get the ideal implementation result through practical application.