ZL50装载机毕业设计说明书(修订版)

机械专业毕业设计液压驱动煤矿装载机总体及传动部分设计学院：机械与动力工程学院指导教师：班级：学号：姓名：毕业设计说明书-1-摘要装载机是一种广泛用于公路、铁路、建筑、水电、港口、矿山等建设工程的土石方施工机械，它主要用于铲装土壤、砂石、石灰、煤炭等散状物料，也可对矿石、硬土等作轻度铲挖作业。换装不同的辅助工作装置还可进行推土、起重和其他物料如木材的装卸作业。在道路，特别是在高等级公路施工中，装载机还用于路基工程的填挖，沥青混合料和水泥混凝土料场的集料与装料等作业。此外还可进行推运土壤、刮平地面和牵引其他机械等作业。由于装载机具有作业速度快、效率高、机动性好、操作轻便等优点，因此它成为工程建设中土石方施工的主要机种之一。本次设计报告共包括四个部分，是对整个设计过程的描述和总结。第一部分：前言；第二部分：正文；第三部分：结论；第四部分：参考文献。其中，正文的内容有：(1)矿用装载机机型的确定，总体部分的参数确定和机构形式的确定，(2)传动部分相关齿轮的设计校核，各个构件的转速确定，构件扭矩的计算及校核，液压换挡操纵油路的确定。关键词：总体参数，液力变矩器，变速箱，离合器毕业设计说明书-2-AbstractLoaderisawidelyusedinhighway,railway,construction,utilities,ports,minesandotherconstructionprojectsearthworkconstructionmachinery,itismainlyusedforloadingshovelofsoil,sand,lime,coalandotherbulkmaterials,butalsoontheore,slightlyhardsoilsuchasdiggingshoveloperation.Dresscanbedifferentforearth-movingequipmentauxiliarywork,liftingandothermaterialssuchastimberloadingandunloadingoperations.Theroad,especiallyinhighwayconstruction,theloaderisalsousedforfoundationexcavationandfillingworks,asphaltandcementconcreteaggregatematerialsiteandloadingandotheroperations.Inadditionalsothepushingofsoil,groundandtractionCalibratingothermechanicalandotheroperations.Aswiththeoperatingspeedloader,highefficiency,mobility,easyoperation,etc.,soitbecomestheconstructionofearthandstoneconstructioninoneofthemainmodels.Thedesignreportincludesfourchapters,theentiredesignprocessisdescribedandsummarized.PartI:Introduction;PartII:Text;PartIII:Conclusion;PartIV:Reference.Amongthem,thebodyincludes:(1)miningloadermodelstodeterminetheoverallparametersofsomeformofidentificationanddeterminationofinstitutions,(2)thedesignofgeartransmissionpartrelatedtoverification,todeterminethespeedofeachcomponent,componenttwistmomentcalculationandchecking,thedeterminationofthehydraulicshiftcontrolcircuit.Keywords:generalparameters,torqueconverter,gearbox,clutch毕业设计说明书-3-目录第一章前言.............................................................................................................................51.1设计目的........................................................................................................................51.2选题意义......................................................................................................................51.3装载机的分类................................................................................................................51.4选用原则........................................................................................................................71.5主要部件........................................................................................................................71.6国内外装载机的现状及发展趋势................................................................................8第二章装载机总体设计...........................................................................................................102.1机型的确定..................................................................................................................102.1.1行走装置的选择...............................................................................................102.1.2传动形式的选择...............................................................................................102.2装载机总体参数的确定..............................................................................................102.2.1基本参数的确定...............................................................................................112.2.2装载机的桥荷力分配.....................................................................................112.2.3铲斗的后倾角与卸载角...................................................................................122.2.4发动机功率.......................................................................................................132.3装载机的总体布置......................................................................................................132.3.1总体布置的内容..................................................................................................132.3.2总体布置的原则...............................................................................................132.3.3总体布置的基准选择.......................................................................................142.3.4对各部件布置的具体要求...............................................................................142.4装载机的稳定性..........................................................................................................16第三章液力变矩器设计.............................................................................................................173.1传动系的分类及其应用范围........................................................................................173.2液力变矩器的结构及工作原理..................................................................................223.3液力变矩器的基本特性参数......................................................................................233.4液力变矩器设计..........................................................................................................243.4.1变矩器的力矩计算方程...................................................................................