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.
QZ型-通用桥式起重机，抓斗天车，抓斗行车，抓斗起重机，煤渣抓用起重机，垃圾专用起重机。
QZ type general overhead crane, grab crane for coal cinder handing, garbage handing.
并根据抓斗起重机实际运用中经常出现的故障，开发出故障显示功能。
According to the usual failures during the practical application of grab bucket crane, the failure display is also developed to be applied to the crane.
并根据抓斗起重机实际运用中经常出现的故障，开发出故障显示功能。
According to the usual failures during the practical application of grab bucket crane, the failure display is also developed to be applied to the crane.
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