二通插装阀 OD02072230OG02 R934000355

基本结构
二通插装阀与普通液压阀的功能相同，都是用来控制液压系统工作介质的压力、流量和流动方向的。二通插装阀由插入元件、先导元件、控制盖板和插装块体四部分组成。插入元件主要由阀芯、阀套、弹簧和密封件组成，图1为其示意图。控制盖板上,根据插装阀的不同控制功能，安装有相应的先导控制级元件，以实现对液压系统压力、流量和方向的控制,插装块体则既是嵌入插入元件及安装控制盖板的基础阀体，又是主油路和控制油路的通道体。
二通插装阀通过不同的盖板和先导阀(一般为滑阀)组合，即可构成方向控制阀、压力控制阀和流量控制阀。
三通阀 由两个方向阀组件并联而成，对外形成一个压力油口、一个工作油口和一个回油口。三通插装阀的工作状态数取决于先导换向阀的工作位置数。四通阀由两个三通阀并联而成,先导阀可以是一个三位四通换向阀也可以是两个二位四通换向阀或四个二位三通换向阀
四通插装阀的工作状态数取决于先导换向阀的工作位置数。
插装阀液压系统实例分析
二通插装阀以其特的优点以及经济和技术上的明显优势被广泛应用到各个行业。在集成的液压元件中，当通径小于32mm时，可采用叠加
阀，当通径大于中32mm时，应考虑采用插装阀。在一个液压系统中,可根据需要，液压控制阀全部采用二通插装阀;也可以部分液压控制阀采用滑阀式，另一部分液压控制阀采用二通插装阀，充分发挥两种液压控制阀各自的优点。
压力机械属于重型机械，主要应用于冶金行业.重型机械制造、化工等行业，如冲压机、锻造机、剪切机、粉末制品压力机、挤压机等。压力机械的动力及控制部分多数采用液压传动,由于液压系统所需的压力高、流量大，故适于用二通插装阀来控制液压系统的压力、流量和流动方向。
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换向阀主要由阀体、密封组件、凸轮、阀杆、手柄和阀盖等零部件组成(图1)。阀门由手柄驱动，通过手柄带动阀杆与凸轮旋转，凸轮具有定位驱动与锁定密封组件的开启与关闭功能。手柄逆时针旋转，两组密封组件分别在凸轮的作用下关闭下端的两个通道，上端的两个通道分别与管道装置的进口相通。反之，上端的两个通道关闭，下端两个通道与管道装置的进口相通，实现了不停车换向。
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螺纹插装阀的安装方式是采用螺纹直接旋入阀块的插孔里，所以又叫旋入式插装阀，它的小通径为3mm，大通径为32mm，常用通径为4mm、8mm、10mm、12mm、16mm、20mm，高压力可达63MPa，大流量达760L／min，适合于中高压中小流量的液压系统。
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二位二通电磁阀为分步动作直接先导式电磁阀，可根据断电时所处开、关状态的不同，可分为常闭式电磁阀和常开式电磁阀。常闭电磁阀，线圈通电后，衔铁在电磁力作用下先带动副阀阀塞提起，主阀阀杯上的流体经副阀流走，减少了作用在主阀阀杯上的压力，当主阀阀杯上的压力减少到- -定值时，衔铁带动主阀阀杯，并利用压差而使主阀阀杯开启，介质流通。线圈断电后，电磁力消失,衔铁因自重下落复位。同时依靠介质压力,主副阀得以紧密关闭。
插装阀现货优选型号：
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德国力士乐REXROTH螺纹插装阀电磁阀订货号和型号：
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