毕业设计（论文）-TH250斗式提升机设计.doc

目录
1前言·············································· ···············································1
2 本课题介绍及设计理论··························· ······················································2
概述··································································································2
斗式提升机的工作原理····························································2
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3. 提升机主要参数确定及主要结构设计·························································8
提升功率的确定············································································8
电动机选择·················································································9
减速机选择·····················································································9
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轴的材料及热处理··············································································9
轴的结构设计··················································································9
轴的强度校核计算····································································10
轴承选用······················································································12

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