qtz塔式起重机总体及臂架设计_毕业设计说明书(含图纸)

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1、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92QTZ40塔式起重机总体及臂架设计目录第1章前言··········································································11.1概述·············································································11.2发展趋势······························································

2、·········1第2章总体设计····································································22.1概述············································································22.2确定总体设计方案····························································22.3总体设计原则················································

3、················292.4平衡臂与平衡重的计算······················································302.5起重特性曲线·································································322.692QTZ40塔式起重机总体及臂架设计塔机风力计算································································332.7整机的抗倾覆稳定性计算··························

4、·························432.8固定基础稳定性计算························································49第3章吊臂的设计计算························································503.1分析单吊点与双吊点的优缺点··············································503.2吊臂吊点位置选择·························································

5、··513.3吊臂结构参数参数···························································523.4有限元模型建立过程的几点简化···········································533.5吊臂结构的有限元分析计算·················································543.6计算结果分析·································································693.7吊臂强度校核········

6、·························································763.892QTZ40塔式起重机总体及臂架设计吊臂稳定性校核······························································76毕业设计小结······································································87致谢·································································

7、·················88参考文献············································································8992QTZ40塔式起重机总体及臂架设计设计项目计算与说明结果92QTZ40塔式起重机总体及臂架设计前言概述发展趋势总体设计概述第1章前言1.1概述塔式起重机是我们建筑机械的关键设备，在建筑施工中起着重要作用，我们只用了五十年时间走完了