... crane for placing stoplogs 叠梁闸门起门机 crane grab 起重机抓斗 crane hoist 移动起重机 ...
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抓斗起重机、抓斗吊车 grab crane
根据起重机抓斗的受力分析，建立了起重机水平运行与抓斗摆动关系的数学模型。
According to the mechanical analysis of bridge crane's grab, the mathematical model between crane's horizontal movement and grab swing is established.
根据桥式起重机水平运行规律及抓斗摆动规律，提出了抓斗防摆的一种方法。
According to the horizontal moving rule of bridge crane and the swing rule of grab, We propose a method about swing proof of grab.
绳索式木材抓斗按起重机特性适配，常用类型有单索、双索和四索三种。
Mechanical timber grab is equipped according to the characteristic of crane, which could be divided into three species, that is single rope, double rope, and four rope.
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