200T液压机液压系统设计

摘要I摘要本设计为200T液压机液压系统。液压系统主要由主缸运动、顶出缸运动等组成。本文重点介绍了液压系统的设计。通过具体的参数计算及工况分析，制定总体的控制方案。经方案对比之后，拟定液压控制系统原理图。液压系统选用插装阀集成控制系统，插装阀集成控制系统具有密封性好，通流能力大，压力损失小等特点。为解决主缸快进时供油不足的问题，主机顶部设置补油油箱进行补油。主缸的速度换接与安全行程限制通过行程开关来控制；为了保证工件的成型质量，液压系统中设置保压回路，通过保压使工件稳定成型；为了防止产生液压冲击，系统中设有泄压回路，确保设备安全稳定的工作；本系统应用的电气控制系统，便于对系统进行控制，可以实现半自动控制，可以实现过载保护，保证系统正常运行。此外，本文对液压站进行了总体布局设计，对重要液压元件进行了结构、外形、工艺设计。通过液压系统压力损失和温升的验算，本文液压系统的设计可以满足压力机顺序循环的动作要求，能够实现塑性材料的锻压、冲压、冷挤、校直、弯曲等成型加工工艺。关键词：液压系统；液压机；毕业设计AbstracIIAbstractThispaperdesignforthebolsterpressofhydraulicmachines.Mainframemainlybythemotionofmastercylinderandthemotionofcylinderheadoutofcomponentsetc.Thispaperfocusesonthehydraulicsystemdesign.Throughspecificparametersandhydraulicmechanicsituationanalyzes,formulationofamastercontrolprogram.Bycontrast,developedhydrauliccontrolsystemdiagram.Hydraulicsystemsusecartridgevalveintegratedcontrolsystem,integratedcartridgevalvecontrolsystemhasgoodsealing,flowcapacity,smallpressurelosscharacteristicsetc.Tosolvethemastercylinderexpressenteredtheshortageofoilsupplyinthetopofthemainframeinstalledoiltank.Mastercylinderforthespeedofaccessrestrictionsandsecuritythroughthetripexchangingtocontrolswitches.Toensurethequalityofthework-piecemolding,inthehydraulicsysteminstalledpackingloopthroughpackingwork-piecestabilitymolding;Topreventhydraulicshocks,pressurereliefsystemwithalooptoensurethatthisequipmentcanbeasafeandstablework.Thissystemapplicateelectricitycontrolsystem,tofacilitatethesystemofcontrol,wecanachievesemi-automaticcontrolandachieveoverloadprotection,ensurenormaloperationsystem.Inaddition,thepaperhydraulicstationontheoveralllayoutofthekeycomponentsofthehydraulicstructure、shape、techniqueforaspecificdesign.Bythelossofhydraulicsystempressureandtemperaturechecked.Hydraulicsystemisdesignedtomeetthehydraulicactionsequenceandcyclerequirementscanbeachievedbyforgingplasticmaterials,stamping,coldextrusion,straightening,bending,andothermoldingprocesses.KeyWords:hydraulicsystem,bolsterpress,graduationdesign目录III目录摘要.................................................................................................................................IAbstract..............................................................................................................................II1绪论............................................................................................................................11.1液压传动系统概况..............................................................................................11.1.1液压传动技术的发展与研究动向............................................................11.1.2我国液压系统的发展历程........................................................................21.1.3液压传动技术的应用................................................................................31.2液压机的概况......................................................................................................31.3液压机的发展......................................................................................................42200T液压机液压系统设计...........................................................................................62.1液压系统设计要求..............................................................................................62.1.1液压机负载确定........................................................................................62.1.2液压机主机工艺过程分析........................................................................62.1.3液压系统设计参数....................................................................................62.2液压系统设计......................................................................................................62.2.1液压机主缸工况分析................................................................................62.2.2液压机顶出缸工况分析............................................................................92.3液压系统原理图拟定........................................................................................112.3.1液压系统供油方式及调速回路选择......................................................112.3.2液压系统速度换接方式的选择..............................................................122.3.3液压控制系统原理图..............................................................................122.3.4液压系统控制过程分析..........................................................................132.3.5液压机执行部件动作过程分析..............................................................142.4液压系统基本参数计算....................................................................................162.4.1液压缸基本尺寸计算..............................................................................162.4.2液压系统流量计算..................................................................................182.4.3电动机的选择..........................................................................................20目录IV2.4.4液压元件的选择......................................................................................222.5液压系统零部件设计........................................................................................232.5.1液压机主缸设计......................................................................................232.5.2