汽车起重机支腿液压系统设计摘要本设计在分析汽车起重机的功能、组成和工作特点的基础上，并结合国内外汽车起重机的运用现状和发展趋势，设计了一款中小吨位汽车起重机底盘支腿液压系统。在设计本机液压系统中，通过阅读大量国内外相关资料和调研市场上已存在产品，对中小吨位汽车起重机的功能和工作原理进行了深入的了解和分析，具体分析了汽车起重机液压系统的功能、组成、工作特点以及系统类型，总结出液压传动在汽车起重机应用中的优缺点。根据汽车起重机的工作特点对支腿液压系统进行典型工况分析，确定了液压系统要求；结合液压系统原理拟定支腿液压系统底盘分布图、支腿液压管路图。根据汽车起重机的技术参数对液压系统进行了设计计算，确定了液压系统元件；并结合支腿机构的主要参数对支腿机构强度校核与稳定性分析，对支腿回路的组成原理和性能进行分析；通过对系统压力损失的验算和发热校核，检验液压系统设计的合理性。关键词：汽车起重机；液压系统；支腿液压；设计计算IHydraulicsystemdesignofOutriggeroftruckcraneABSTRACTThedesignanalysisoftruckcraneonthebasisofthefunctions,compositionandcharacteristicsofwork,applicationsituationanddevelopmenttrendofdomesticandinternationaltruckcrane,designedahydraulicsystemforsmallandmediumtonnagetruckcranechassislegs.Inthedesignofthehydraulicsystem,byreadingalotofrelevantinformationalreadyexistsonthemarketandresearchproductsathomeandabroad,forsmallandmediumtonnagetruckcranecapabilitiesandin-depthunderstandingandanalysisoftheworkingprinciple,specificanalysisofcranehydraulicsystemcharacteristicsandsystemfunctions,composition,worktype,summaryofadvantagesanddisadvantagesinapplicationofhydraulictruckcrane.Legsaccordingtothecharacteristicsoftruckcranehydraulicsystemanalysisoftypicalconditions,determinethehydraulicsystemrequirements;combinationofhydraulicsystemforhydraulicsystemdevelopedlegbasemap,thehydraulicsupportlegpipe.Accordingtothetechnicalparametersofthecraneonthedesignandcalculationofhydraulicsystems,hydraulicsystemcomponentswereidentifiedandcombinedwithlegmechanismofmainparametersonlegstrengthandstabilityanalysisofmechanism,compositiontheoryandperformanceanalysisofthelegloopsthroughtosystempressurelosscalculationandheatchecking,inspectionofhydraulicsystemdesignofrationality.KEYWORDS:TruckcraneHydraulicsystem,Outriggerhydraulic,DesigncalculationsII目录前言...........................................................................................................1第1章液压系统在起重机上的应用.........................................................21.1汽车起重机简介.............................................................................21.2QY100K汽车起重机主要性能参数...............................................31.2.1行驶状态下的主要技术参数如下.....................................31.2.2作业状态参数.....................................................................31.2.3起重臂性能参数.................................................................31.2.4支腿技术参数.......................................................................31.3液压系统的类型..........................................................................31.4液压传动应用于汽车起重机上的优缺点...................................41.4.1在起重机的结构和技术性能上的优点.............................41.4.2在经济上的优点.................................................................4第2章下车支腿的确定、支腿液压系统的设计.....................................62.2起重机支腿的选择.................................................
