目录摘要………………………………………………………………………3Abstract…………………………………………………………………...4第一章引言..............................................................................................51.1挖掘机简介...................................................51.2小型液压挖掘机的现状与发展趋势...............................7第二章结构参数计算...............................................................................92.1履带链轨节节距t与履带板宽度.................................92.2驱动轮节圆直径Dq.............................................92.3导向轮工作面直径Dd...........................................92.4拖链轮踏面直径Dt.............................................92.5支重轮踏面直径Dz.............................................92.6链轨节数n、拖链轮数量......................................10第三章性能参数计算.............................................................................113.1行驶速度V..................................................113.2爬坡能力α.................................................113.3接地比压p..................................................123.4最大牵引力T................................................13第四章履带设计....................................................................................144.1履带介绍....................................................144.2履带结构和作用..............................................154.3履带装配设计................................................21第五章支重轮设计.................................................................................225.1支重轮简介..................................................225.2支重轮数量计算..............................................225.3两个支重轮间距离............................................235.4支重轮设计..................................................235.5装配完成设计................................................27第六章拖链轮设计................................................................................296.1拖链轮的工作原理............................................296.2拖链轮的结构................................................296.3拖链轮技术要求..............................................296.4拖链轮的组成零件设计........................................30第七章设计小结与体会........................................................................36参考文献..................................................................................................37附录一：英文文献翻译..........................................................................38附录二:英文文献原文.............................................................................4212小型履带式液压挖掘机底盘履带、支重轮、拖链轮的设计摘要：挖掘机，又称挖掘机械，是用铲斗挖掘高于或低于承机面的物料，并装入运输车辆或卸至堆料场的土方机械。本文介绍了小型履带式液压挖掘机履带、支重轮、拖链轮的结构形式及组成，并对其做了结构尺寸设计及履带行走装置性能参数的计算，给出了履带、支重轮、拖链轮装配图和各主要零件的零件图。关键词：挖掘机履带支重轮拖链轮3Thedesignofthesmallcaterpillarhydraulicexcavator’scrawler,supportingwheelanddragsprocketAbstract:Excavator,alsocallsexcavatingmachinery,isanearthworkmachinerytousethebucketminingthematerialsaboveorbelowthebearingmachinesurface,andtoloadtothetransportvehiclesortodischargetotheheapofyard.Thispaperin...
