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
2.2.2斗式提升机的装载和卸载························································································2
2.2.3常用斗提机选用及相关计算···························································································3
2.2.4斗式提升机的主要部件···························································································5
2.2.5斗式提升机的工作原理···························································································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·················································································································12
3.4.5键的设计校核·················································································································13
3.5联轴器的选择································································································13
3.6驱动链轮的结构设计···························································································15
3.7提升机主要参数的计算····························································································15
3.8头部罩壳的选材及连接····································································································16
3.9中部区段的设计选材········································································································16
3.10料斗与环链的设计··························································································17
4 结论·······························································································································19
参考文献···························································································································20
致谢···································································································································21
附录···································································································································22
4. 结论
在老师的关心和指导下，经过三个月的设计，TH250斗式提升机的总体方案设计，总体装配以及传动、机体等部件和相关零部件设计及绘图的设计工作已经完成。
提升机的主要参数如下：
功率：7.5kW；
提升高度：35m；
提升能力：30（t/h）；
料斗宽度：250mm；
料斗盛水容积：3L；
料斗间距：450mm；
本次设计的TH250圆环链斗式提升机，提升高度为35米，提升能力35吨/小时，运行平稳可靠。适用于输送堆积密度小于1.5t/m3，易于掏取的粉状、粒状、小块状的低磨琢性物料，如煤、水泥、碎石、砂、化肥、粮食等。
