TH250斗式提升机设计【毕业论文+CAD图纸全套】.doc

目 录 1前言·································································································································1 2 本课题介绍及设计理论·································································································2 2.1 概述······························································································································2 2.2 斗式提升机的工作原理······························································································2 2.2.1斗式提升机分类·········································································································2斗式提升机的装卸载···················································································································································································3 2.2.4斗式提升机的主要部件······················································································································································································6 3. 提升机主要参数确定及主要结构设计········································································8 3.1 提升功率的确定··········································································································8 3.2 电动机选择··················································································································9 3.3 减速机选择··················································································································9 3.4驱动轴设计及附件的选择···························································································9 3.4.1 轴的材料及热处理···································································································9 3.4.2 轴的结构设计···········································································································9 3.4.3 轴的强度校核计算·································································································10 3.4.4 轴承选用····································································