基于二次调节的减速器加载试验台设计论文[带图纸].doc

目录前言.11绪论.71.1课题研究目的和意义·································································71.2国内外二次调节技术的研究发展概况············································71.3二次调节技术的应用及特点························································81.3.1二次调节技术的的应用····························································81.3.2二次调节技术的特点·······························································91.4二次调节加载系统原理····························································101.5减速器加载系统概述································································111.5.1开放式加载系统····································································111.5.2封闭式加载系统···································································121.6论文主要研究内容··································································142减速器模拟加载系统数学模型.152.1概述····················································································152.2减速器模拟加载试验台组成与原理·············································152.2.1试验台各部分组成及其功用····················································152.2.2模拟加载系统原理································································152.3模拟加载系统的方块图模型······················································172.3.1二次元件阀控缸的方块图模型·················································172.3.2驱动单元转速控制的方块图模型··············································202.3.3加载单元转矩控制的方块图模型··············································242.3.4整个模拟加载系统的方块图模型··············································272.4本章小结··············································································283减速器模拟加载系统特性分析.293.1概述····················································································293.2驱动单元转速控制系统刚度特性分析··········································293.3本章小结··············································································324减速器加载试验台驱动变速箱的设计.334.1概述····················································································334.2驱动变速箱的参数计算····························································334.2.1传动方案的确定···································································344.2.2最大扭矩的计算···································································344.2.3最大转速的计算···································································344.3齿轮的设计············································································354.3.1选择齿轮材料·······································································354.3.2确定齿轮传动精度等级···························································354.3.3齿轮传动几何尺寸计算···························································364.3.4各轴齿轮中心距的计算···························································404.3.5齿轮齿宽的计算····································································404.3.6齿根弯曲疲劳强度校核···························································414.4轴的设计··············································································444.4.1轴的设计·········································································444.4.2轴的设计·········································································464.4.3轴的设计·········································································474.4.4轴的设计·········································································484.4.5轴的设计·········································································494.4.6轴的设计·········································································504.4.7轴的设计·········································································504.5轴的强度校核········································································524.5.1轴的校核·········································································524.5.2轴的校核·········································································534.6本章小结··············································································555结论.56致谢.57参考文献.58摘要静液驱动二次调节技术是一项新型的液压传动技术。它具有控制方便、容易组成类似于电气系统的网络执行机构以及液压能回收与重新利用,甚至比电气系统更为简便等一系列突出的优点。二次调节技术的研究将极大地提高液压传动技术的应用范围和产品的竞争力。本文对基于二次调节的减速器加载系统进行深入的理论分析，建立减速器加载系统的数学模型，并绘制方框图，由所建立的模型可以看出，该减速器模拟加载系统为单输入单输出系统，包括驱动单元转速控制系统、二次输出加载转矩控制系统；本文还对驱动单元转速控制系统进行刚度特性分析。详细介绍了减速器模拟加载试验台驱动变速箱及其变速器的轴和传动零部件的设计及校核。试验结果表明，该模拟加载系统具有良好的转速、转矩调节功能，轴和齿轮具有较好的承受载荷能力，能满足减速器模拟加载要求，得出许多有参考价值的结论，为进一步完善和提高二次调节加载技术提供了依据。关键词：静液驱动；二次调节；加载；数学模型。AbstractStaticfluid-drivensecond-regulationtechnologyisanewfluiddrivetechnology.Ithasalotofadvantages,suchasconvenientcontrol,networkperforminstitutionwhichcanbeeasilyformedlikeelectricalsystemandrecoveryorreuseofthehydraulicpressureenergy,especiallymuchmoreconveniencethanelectricalsystem.Theresearchonsecond-regulationtechnologycangreatlyadvancetheapplicationofthefluiddrivetechnologyandthecompetitionoftheproduct.Thistextbasesonreducerloadsystemofthesecond-regulationtomakedeeptheoreticanalyze,foundmathematicalmodelofthereducerloadsystem,protractpanechart.Wecanseefromthemodelfounded,thisreducersimulatedloadsystemissingleinputandsingleoutputsystem,includingdrivenmodulerotationalspeedcontrolmodulesystem,secondexportloadtorquecontrolsystem,；thetextalsoanalyzetherigiditycharacteristicsofthedrivenmodulerotationalspeedcontrolmodulesystem.,andalsodesignorCheckthedrivegear-box,shiftorgansaxesanddrivepartsofthereducersimulateloadtestbed.Theresultofthetextindicatethatthissimulatesystemhasgoodfunctionatrotatespeedandtorqueregulation,theaxeshasgoodabilityofenduringload,anditcanachievecertainshiftgearsability.Thissystemhasgoodefficiency,itcanalsosatisfytheneedofthereducersimulateload.Weeduceseveralconclusionswithreferencevalue.Thistextalsoprovidethereunderabouthowtoimproveoradvancesecond-regulationloadtechnology.Keywords:Staticfluid-driven；second-regulation；load；Mathematicalmodel.