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建 筑 工 程 学 院
本科毕业设计（论文）
题 目
QTZ40塔式起重机总体及塔身有限元分析法设计
学 科 专 业 机械设计制造及其自动化
辅 导 教 师
目录
前言······················································1
塔式起重机概述··············································1
塔式起重机的发展情况········································1
塔式起重机的发展趋势·······································3
总体设计··················································5
2.1 概述······················································· 5
2.2 确定总体设计方案············································5
2.2.1 金属结构···············································5
2.2.2 工作机构···············································22
2.2.3 安全保护装置···········································29
2.3 总体设计设计总则···········································32
2.3.1 整机工作级别 ··········································32
2.3.2 机构工作级别···········································32
2.3.3主要技术性能参数······································· 33
2.4 平衡重的计算···············································33
2.5 起重特性曲线···············································35
2.6 塔机风力计算·············································· 36
2.6.1 工作工况Ⅰ············································37
2.6.2 工作工况Ⅱ············································41
2.6.3 非工作工况Ⅲ···········································43
2.7整机的抗倾翻稳定性·········································45
2.7.1工作工况Ⅰ············································46
2.7.2工作工况Ⅱ············································47
2.7.3非工作工况Ⅲ··········································49
2.7.4工作工况Ⅳ············································50
2.8固定基础稳定性计算·········································51
塔身的有限元分析设计···································53
3.1 塔身模型简化···············································53
3.2 有限元分析计算·············································54
3.2.1 方案一···············································54
3.2.2 方案二··············································79
3.2.3 方案三·················
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