三人行图纸

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 设计小结······································································87 致谢··················································································88 参考文献············································································89

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