龙门式起重机吊篮高度限位控制○周基龙（新疆石河子二建）在低层建筑施工中，担负垂直起重任务的设备大多采用卷扬机拖动的龙门式起重机。但由于有些施工队的龙门式起重机上没有安装吊篮高度限位装置，如卷扬机电气开关发生失控触点粘合或操作失误，就容易造成吊篮升到顶... Gantry cradle height limit control ○ Zhou Ji-long (Shihezi two built in Xinjiang) In the construction of low-rise buildings, the equipment responsible for the vertical lifting tasks are mostly used gantry drag gantry crane. However, due to some construction team gantry crane is not installed on the basket height limit device, such as windlass electrical switch out of control contact bonding or operating errors, it is easy to cause the g ...