塔式起重机设计计算

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1、塔式起重机计算书一．臂架计算_______________________________________________________31.1俯仰变幅臂架________________________________________________________31.1.1载荷____________________________________________________________________31.1.2臂架计算__________________________________________

2、______________________31.2小车变幅臂架计算（单吊点三角截面）__________________________________91.2.1载荷____________________________________________________________________91.2.2臂架计算________________________________________________________________91.3小车变幅臂架计算（双吊点三角截面）_______________

3、__________________221.3.1载荷___________________________________________________________________221.3.2臂架计算_______________________________________________________________22二塔式起重机塔身结构计算_________________________________________402.1塔身受力计算_____________________________

4、__________________________402.1.1塔身在臂根铰接截面受力计算：___________________________________________412.1.2塔身内力计算工况_______________________________________________________412.2桁架塔身整体强度和稳定性计算_______________________________________432.2.1塔身截面几何性质______________________________

5、_________________________432.2.2塔身的长细比___________________________________________________________462.2.3塔身强度与整体稳定性___________________________________________________482.3桁架塔身主肢计算___________________________________________________482.4腹杆计算_________________________

6、__________________________________492.5塔身位移计算_______________________________________________________512.6塔身的扭转角_______________________________________________________512.7塔身的连接_________________________________________________________53三整机稳定性的计算___________________

7、____________________________553.1第一种工况（无风，验算前倾）：_____________________________________563.2第二种工况（无风，验算后倾）_______________________________________573.3第三种工况（最大风力作用下，验算前倾）_____________________________573.4第四种工况（最大风力作用下，验算后倾）_____________________________573.5第五种工况（45度

8、转角）____________________________________________583.6第六种工况（非工作状态、暴风侵袭）_________________________________581塔式起重机计算书3.7第七种工况（突然卸载，验算后倾）___________________________