货车驱动桥设计说明书

Thedesignisareferencetothetraditionalaxledesign.Accesstoalotofinformationinthedesignprocess.Thisdesignisthefirstdemonstrationprogram.Followedbythestructureofthedriveaxledesign.Includingthechoiceofthenumberofgearpairs,thechoiceofgeartypedifferentialdesign,thechoiceofthedifferentialgear,axlehousingstructure.Whichforcethecheck:themaindrivengearcheck,check,bearingaxlesplineandgearshaftsplinechecking,axlecheckunderdifferentworkingenvironments.Inthedesignprocessinaccordancewiththeconditionsofuseofdesignreferencemodels,purpose,andselecttheappropriatestructure.Takingintoaccountthepracticality,economy,stabilityofthedriveaxle.3DmodelingsoftwareforUG7.5,andcatiaV52DdrawingsdrawnmainlyusecatiaV5.UseofUG7.5assemblysimulationexercise.Anddetectthespatialrelationshipsofvariouspartsinthe3Dmodelingprocess.Appropriatechangestotheparametersoftheprimary.Thedesignseekstomeetthecase,theaxlestructureissimplified.Trytoreducecostsandimprovethestabilityofthedriveaxle.However,duetothelimitationsoftheirownlevel,therearemanyinadequacies.Ihopeyoucorrect!Keywords:medium-sizedtruckstherearaxledifferentialaxlehousing目录第一章主减速器的设计........................................................................11.1主减速器的结构形式..................................................................11.2主减速器减速型式的选择............................................................11.3主减速器齿轮型式的选择............................................................21.3.1螺旋锥齿轮与双曲面齿轮比较.............................................31.3.2双曲面齿轮传动比螺旋锥齿轮传动还具有如下优点.................31.4主减速器主动齿轮的支承型式选择...............................................41.4.1主减速器主动齿轮的支承型式.............................................51.5主减速器从动齿轮支承的选择.....................................................61.6主减速器齿轮计算荷载的确定.....................................................81.7主减速器齿轮基本参数的选择...................................................101.7.1齿数的选择....................................................................101.7.2节圆直径的选择..............................................................111.7.3齿轮端面模数的选择.......................................................111.7.4齿面宽的选择.................................................................121.7.5双曲面齿轮的偏移距E与偏移方向的选择...........................131.7.6双曲面齿轮螺旋方向的选择..............................................141.7.7螺旋角的选择.................................................................141.7.8齿轮法向压力角的选择...........................错误!未定义书签。1.8双曲面齿轮的强度计算.............................................................191.8.1单位齿长上的圆周力.......................................................191.8.2齿轮的弯曲强度计算.......................................................211.8.3齿轮的接触强度计算.......................................................221.9主减速器齿轮的材料及热处理...................................................241.10主减速器轴承的计算..............................................................25第二章差速器...................................................................................322.1差速器的结构与选择................................................................332.2差速器齿轮基本参数选择..........................................................342.2.1行星齿轮数目的选择.......................................................342.2.2行星齿轮球半径RB的确定...............................................342.2.3行星齿轮与半轴齿轮齿轮数的选择.....................................352.2.4差速器锥形齿轮模数及半轴齿轮节圆直径的初选..................352.2.5压力角.................................................错误!未定义书签。2.2.6行星齿轮的安装直径及其深度L的确定............................362.3差速器齿轮的弯曲应力.............................................................37第三章驱动桥车轮的传动装置.............................................................393.1半轴的型式............................................................................393.1.1半浮式半轴....................................................................393.1.23/4浮式半轴................................................................393.1.3全浮式半轴....................................................................403.2半轴的设计与计算..................................................................433.2.1载荷工况.......................................................................433.2.2全浮式半轴的设计计算....................................................433.2.3主动锥齿轮花键的校核....................................................463.2.4半轴结构设计及材料.......................................................47第四章驱动桥桥壳.............................................................................484.1桥壳结构的形式与选择............................................................494.1.1可分式桥壳....................................................................494.1.2整体式桥壳....................................................................494.1.3组合式桥壳....................................................................514.2桥壳的强度计算......................................................................524.2.1桥壳的静弯曲应力计算....................................................524.2.2在不平的路面冲击载荷作用下桥壳的强度计算.....................544.2.3汽车以最大牵引力行驶时桥壳的强度计算...........................554.2.4汽车紧急制动时桥壳的强度计算............................