文档介绍：带位移电反馈的二级电液比例节流阀设计摘要:电液比例技术发展迅猛,以其控制精度较高、结构简单、成本合理等优点在工业生产中获得了越来越来广泛的应用,它的发展程度也可从一个侧面反映一个,因而日益受到各国工业界的重视。本设计的课题是电液比例阀中的一类——二级电液比例节流阀。在对该阀各部分的结构、原理及性能参数进行详细分析的基础上,完成了功率级为二通插装阀,先导级为电液比例三通减压溢流阀,通径为32mm,最大流量为480L/min,,。关键词:电液比例节流阀;插装阀;比例电磁铁Thedesignoftwostageelectro-hydraulicproportionalthrottlevalvewithdisplacementelectricityfeedbackMajority:MachineDesign&ManufacturingandAutomationAbstract:Thetechnologyofelectro-hydraulicproportionaldevelopsswiftlyandviolently,ethewidespreadapplicationintheindustrialproductionbyitsprecisioncontrol,thesimplystructure,thereasonablecostandsoon,itsdegreeofdevelopmentalsomightreflectanationalhydraulicpressureindustrialtechnologylevelfromaside,sothistechnologyreceivedmoreandmorevaluebythevariouscountries'-hydraulicproportionalvalve----twostageelectro-,principleandfunctionparameterofvariouspartofthiskindofvalve,pletethestructuraldesignandtheparameterdesignofthetwostageelectro-hydraulicproportionalthrottlevalve,thisvalve'smainstageiscartridgevalve,'srectumis32mm,anditsmaxregulatedflowis480L/min,,:Electro-hydraulicproportionalthrottlevalve;Cartridgevalves;Proportionelectro-目录前言…………………………………………………………………………………………………………1正文…………………………………………………………………………………………………………21绪论………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………52流量阀控制流量的一般原理………………………………………………………………………………………………………………………………………………………………8 ………………………………………………………………………83比例节流阀结构设计………………………