TH250斗式提升机设计目录前言····················································································································12本课题介绍及设计理论··························································22.1概述·········································································22.2斗式提升机的工作原理························································22.2.1斗式提升机分类·······························································22.2.2斗式提升机的装载和卸载·······················································22.2.3常用斗提机选用及相关计算···········································32.2.4斗式提升机的主要部件······················································52.2.5斗式····························································63.提升机主要参数确定及主要结构设计············································83.1提升功率的确定······································································83.2电动机选择··········································································93.3减速机选择········································································93.4驱动轴设计及附件的选择························································93.4.1轴的材料及热处理····················································93.4.2轴的结构设计····································································93.4.3轴的强度校核计算·······························································103.4.4轴承选用·································································123.4.5键的设计校核·································································133.5联轴器的选择·········································································133.6驱动链轮的结构设计··························································153.7提升机主要参数的计算··························································153.8头部罩壳的选材及连接····················································163.9中部区段的设计选材·························································163.10料斗与环链的设计·····················································174结论······································································19