气动增压器结构设计

气动增压器结构设计学生姓名：指导教师：所在院系：所学专业：研究方向：DesignofAirOperatedPressureIntensifier气动增压器结构设计I摘要气动增压器是极低压力气体加压到高压力，驱使气体，达到作用效果。气动式往复液压泵是气动增压器种的一种，属于新型动力机，是在这30年种逐渐发展起来的，液压泵活塞和气缸活塞通过活塞杆直接刚性连接组成气动增压器的活塞组件。气动增压器与曲轴式发动机和液压泵的组合动力的区别是省去了液压泵中将旋转运动转换为泵活塞往复运动的旋转斜盘机构，以及曲轴式内燃机中将活塞的往复运动转换为旋转运动的曲柄连杆机构。所以气动增压器成本低、结构简单、重量轻、零件数目少、效率高及节能等优点。作为新兴发动机，目前世界上老式发动机已被往复式液压泵在实际应用中所取代。第一，运用热力学、数学方程、动量方程等对气动增压系统的输出压力、流量特性、执行机构的运动特性进行了数学描述,重点讨论了气动增压系统的输出压力、流量特性,为气动增压器的研制提供了理论基础。第二,依据系统规范的要求和性能指标,基本结构参数、系统原理、实际情况和控制回路、进行设计与计算。第三,方案评审即气动增压器设计方案,通过评审后对该气压增压器具体结构进行设计。本论文以气动增压器为设计对象，在多方面进行分析包括纯理论分析、方案的可行性分析与液压原理的建立分析，设计结构和校对等诸方面的工作原理进行全面的系统设计。首先，根据系统要求的性能指标，对系统的工作原理和控制回路进行了设计并对其可行性进行了分析，设计中需要的基本结构参数进行了初步的设计与计算。其次，课题的背景及发展概况要进行介绍，在设计过程中将要出现的难题及相应的解决方式进行了分析。最后，对该结构组件进行综合设计，液压缸组件设计、包括气缸组件设计、液压缸组件设计、气针单向阀设计和二位五通阀的设计。依据上述，对气动增压器进行结构设计及图纸绘制。关键词：气动增压；往复运动；气针单向阀；二位五通阀；结构设计气动增压器结构设计IIABSTRACTPneumaticsuperchargerisextremelylowpressuregaspressuretohighpressure,drivenbygas,reachtheeffect.Pneumatictypereciprocatingpumpisakindofpneumaticsupercharger,belongtothenewengine,isgraduallyinthe30yearsofdevelopment,hydraulicpumppistonandthecylinderpistonbythepistonrodofrigidconnectionofpneumaticsuperchargerpistoncomponentdirectly.Pneumaticsuperchargerandcrankshaftengineandhydraulicpumpcombinationofpowersavingisthedifferencebetweenthehydraulicpumpwillberotarymotionintoreciprocatingmotionofpistonpumpswashplate,andthecrankshafttypeinternalcombustionenginepistoninreciprocatingmotionintorotarymotionofthecrankconnectingrodmechanism.Pneumaticsuperchargersolowcost,simplestructure,lightweight,lessnumberofparts,highefficiencyandenergysaving,etc.Asanewengine,theoldengineintheworldtodayhasbeenreplacedbyreciprocatingpumpinthepracticalapplication.First,byusingthermodynamics,mathematicsequation,momentumequationandtheoutputpressureandflowratecharacteristicsofpneumaticsuperchargingsystem,thefeaturesofthemovementoftheactuatormathematicaldescription,focusesontheoutputpressureandflowratecharacteristicsofpneumaticsuperchargingsystem,asthetheoreticalbasisisprovidedforthedevelopmentofpneumaticsupercharger.Second,accordingtothesystemrequirementsspecificationandperformanceindex,thebasicstructureparameters,thesystemprinciple,theactualsituationandthecontrolcircuit,thedesignandcalculation.Third,reviewthedesignofpneumaticsupercharger,afterreviewofthepneumaticsuperchargerconcretestructuredesign.气动增压器结构设计IIIWithpneumaticsuperchargerasdesignobject,thispaperanalyzedinmanyaspectsincludingpuretheoreticalanalysis,projectfeasibilityanalysisandtheestablishmentoftheprincipleofhydraulicanalysis,designstructureandproofreading,andotheraspectsoftheworkprincipleofacomprehensivesystemdesign.Firstofall,accordingtotheperformanceofthesystemrequirements,thesystem'sworkingprincipleandcontrolcircuitdesignanditsfeasibilityisanalyzed,thebasicneedsinthedesignofstructuralparameters,hascarriedonthepreliminarydesignandcalculation.Second,thetopicintroducesthebackgroundanddevelopmentsituation,willappearintheprocessofdesignproblemsandcorrespondingsolutionsareanalyzed.Finally,theintegrateddesignofthestructurecomponents,hydrauliccylindercomponentdesign,componentdesign,designofhydrauliccylindercomponentsincludingcylinder,gasneedlevalvedesignandtwofour-wayvalvedesign.Onthebasisoftheabove,pneumaticsuperchargerforstructuredesignanddrawing.Keywords:pneumaticbooster;Reciprocatingmotion.Gasneedlevalve;Twofour-wayvalve;Thestructuredesign气动增压器结构设计I目录摘要.............................................................................................................................IABSTRACT...................................................................................................................II1.前言........................................................................................................................-1-1.1课题背景.....................................................................................................-1-1.2增压技术的发展概况...................................................................................-2-1.2.1国外发展状况.....................................................................................-2-1.2.2国内发展状况.....................................................................................-2-1.3气动增压系统的发展背景及意义.................................................................-3-1.4课题的提出及主要内容................................................................................-3-1.4.1课题研究的目标................................................................................-3-1.4.2课题的主要内容.................................................................................-4-2.气动增压器结构原理及设计计算..........................................................................-4-2.1气动增压器系统原理....................................................................................-4-2.1.1系统的构成.........................................................................................-4-2.1.2工作过程的分析.................................................................................-5-2.2系统的理论分析与计算..............................................................