TH250斗式提升机【优秀含13张CAD图纸+全套工程机床毕业设计】

盐城工学院本科生毕业设计说明书2008目录1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斗式提升机的工作原理···············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···········19参考文献·······20致谢··················21附录·············22