QTZ40塔式起重机总体及臂架设计-毕业设计说明书(含图纸).doc

QTZ40塔式起重机总体及臂架设计

毕业设计说明书

题目：QTZ40塔式起重机总体及臂架设计

目录
第1章前言··········································································1
1.1概述·············································································1
1.2发展趋势·······································································1
第2章总体设计····································································2
2.1概述············································································2
2.2确定总体设计方案····························································2
2.3总体设计原则································································29
2.4平衡臂与平衡重的计算······················································30
2.5起重特性曲线·································································32
2.6塔机风力计算································································33
2.7整机的抗倾覆稳定性计算···················································43
2.8固定基础稳定性计算························································49
第3章吊臂的设计计算························································50
3.1分析单吊点与双吊点的优缺点··············································50
3.2吊臂吊点位置选择···························································51
3.3吊臂结构参数参数···························································52
3.4有限元模型建立过程的几点简化···········································53
3.5吊臂结构的有限元分析计算·················································54
3.6计算结果分析·································································69
3.7吊臂强度校核·································································76
3.8吊臂稳定性校核······························································76
毕业设计小结······································································87
致谢··················································································88
参考文献············································································89

设计项目计算与说明结果前言
概述

发展趋势

总体设计
概述