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美国马尼托瓦克公司生产的1台2250型履带式起重机,配有1套超起装置。当使用超起装置时,组装程序如下:主机安装完毕后,利用辅助起重机安装桅杆和吊带,再抬升门架;将桅杆绞车均衡器放置在桅杆顶端构架上,再连接桅杆吊带和配重吊带;分别抬升机械式桅杆行程限制器和桅杆,同时放出桅杆铰车均衡器(超起主臂变幅扁担),当桅杆抬升到一定的角度后,连接液压管等元件。这样就可以将桅杆作为吊臂来安装
A 2250 Crawler Crane manufactured by Manitowoc in the United States is equipped with a set of overstuffer units. When the super lifting device is used, the assembly procedure is as follows: After the host is installed, the mast and sling are installed by the auxiliary crane and the mast is lifted; the mast winch equalizer is placed on the mast top frame and then connected to the mast sling and the counterweight sling; Raise the mechanical mast travel limiter and the mast, respectively, and release the mast hinge equalizer (raise the main boom luffing pole). When the mast rises to a certain angle, connect the hydraulic pipe and other components. This will allow the mast to be installed as a boom