【摘要】 探付分析国外支架电液控制系统的电磁先导阀的电气参数和结构。并介绍在参照国外机构的基础上新研制的一种ibⅡDV-Ⅱ型电磁先导阀结构特点,具有额定压力高、保持电流小、复位和动作灵敏可靠等优点,以及进一步对该阀的改进设想。更多还原

【Abstract】 This article discusses and analyses the electrical parameters and the structure of the eLectro-maqnetic pilot valve in the electro-hydrautic system of the foreign powered support and intraduces the structural characteristics of type ihHDV-II electro magnetic pilot valve newly developed on the basis of referring to foreing mechanism. It has features of high rated pressure, small holding current, wensitive and reliable resetting and action etc. This article also proposes the idea of further improving this kind of valve.更多还原