【摘要】 本文就自升式塔式起重机的回转机构,提出了一种新的驱动方式,进行了工作性能和经济性分析,并提出这种机构设计的几个问题。本机构也可应用于汽车起重机等其它类型的起重机。更多还原

【Abstract】 This paper shows a new gyratory mechanism of tower cranes,analyses theperformance and economy of the mechanism,and raises several problems inthe design of the mechanism.The mechanism is also applied to other kinds ofcranes.更多还原