(毕业设计)EQ1061型载货汽车变速器取力器设计说明书

本科生毕业设计（论文）I摘要本次设计的取力器要求与EQ1061型载货汽车DF5S360型变速器匹配，变速器最大输出扭矩410NM；取力器最大输出扭矩168NM；满足强度、刚度要求；较高的传递效率；良好的加工工艺性和装配工艺性。总体结构形式采用两轴式，从取力器到专用装置之间的动力传递可以采用机械传动。用带轮连接。首先，根据EQ1061型货车发动机和变速器参数及所用专用装置的参数确定取力器传动比，根据装配空间确定取力器内两齿轮中心距范围，根据变速器取力齿轮参数确定取力器两齿轮的模数，压力角，齿宽等参数。然后，完成取力器装配图和零件图的绘制。最后，编制部分零件的加工工艺过程。整体设计结构紧凑，工作量大，以下是我的分析与论述。关键词：货车，变速器，取力器，工艺，本科生毕业设计（论文）IIAbstractThisdesignrequiresaccessedgewithDF5S360TruckEQ1061-typetransmissionmatching,themaximumoutputtorquetransmission410NM;getmaximumoutputtorqueofPower168NM;tomeetthestrengthandstiffnessrequirements;hightransmissionefficiency;goodprocessingprocessandassemblyprocessof.Theoverallstructureoftheformofatwo-axis,takingpowerfromthedevicetoadedicatedpowertransferbetweenthedevicescanbeusedmechanicaltransmission.ConnectwithPulley.Firstofall,theEQ1061-typevehicleinaccordancewithengineandtransmissionparametersandadedicateddeviceusedtodeterminetheparametersofPowerfromthetransmissionratio,determinedinaccordancewiththeassemblyofspaceinsideedgefromthecenterdistanceoftwogearrange,underthepowertransmissiongearparameterstakenfromthetwogearpowerdevicesmodule,pressureangle,toothwidthandotherparameters.Then,checkourcompletedeviceassemblydrawingandcomponentsdrawing.Finally,thepreparationofpartsoftheprocessingprocess.Overalldesignofthestructureofcompact,heavyworkload,thefollowingismyanalysisanddiscussion.Keywords:truck,transmission,powercheck,andtechnology,本科生毕业设计（论文）III目录摘要...........................................................................................................................I第一章绪论............................................................................................................11.1取力器简介................................................................................................11.2取力器分类................................................................................................1第二章取力器方案设计及论证............................................................................22.1取力器设计要求........................................................................................22.2取力器方案论证........................................................................................22.2.1已知东风EQ1061发动机、变速器及专用装置参数：......22.2.2方案论证...........................................3第三章取力器参数设计计算................................................................................53.1取力器传动比及齿轮齿数的确定...........................................................53.1.1取力器传动比的确定.................................53.1.2取力器齿轮齿数的确定...............................53.2取力器中心距............................................................................................83.3取力器齿轮计算与校核............................................................................83.4取力器轴计算与校核..............................................................................113.4.1取力器一轴的设计过程：............................113.5取力器轴承的选用..................................................................................123.6.1取力器一轴平键...........................................................................................16第四章主要零件加工工艺过程..........................................................................184.1取力器二轴的加工工艺过程..................................................................184.1.1取力器二轴加工工艺................................184.2取力器二轴齿轮加工工艺过程..............................................................184.2.1取力器二轴齿轮加工工艺............................184.2.2二轴齿轮齿圈参数..................................204.3拨叉轴加工工艺过程..............................................................................214.4轴承盖加工工艺过程..............................................................................214.5零件材料的选择......................................................................................234.5.1齿轮材料选择......................................23第五章取力器润滑与密封..................................................................................24本科生毕业设计（论文）IV第六章结论..........................................................................................................25参考文献................................................................................................................26致谢......................................................................................................................27附录二专业外文翻译......................................................................................31英文原文：............................................................................................................31译文：....................................................................................................................36摘自汽车取力器设计............................................................................................38本科生毕业设计（论文）1第一章绪论1.1取力器简介取力器是连接专用汽车专用装置与发动机的传递动力的重要部件。除少量专用汽车的工作装置因考虑工作可靠和特殊要求而配备专门动力驱动外，绝大多数专用汽车上的专用设备都是以汽车自身的发动机为动力源，经过取力装置，用来驱动专用设备。随着汽车及工程机械的迅速发展，专用汽车以它众多的品种和各自具有的专用装置与功能受到各行各业的重视和欢迎，成为国民经济中不可缺少的交通运输和工程作用的主要装备。取力器也因使用条件的不同，而形式多样。取力器的性能直接影响专用汽车工作的可靠性及经济性。1.2取力器分类按取力器相对汽车地盘变速器的位置，取力器的可分为前置、中置和后置。前置式分为发动机前端取力，飞轮前端取力，飞轮后端取力，钳夹式取力器，它们通常安装在变