最近国外试制了一种如图所示的新型消防挂钩梯。该种结构的挂钩梯,除很容易从阳台攀登到楼内救火而外,还可用于登上龙门吊,天车等空中作业场所救灾、抢险。它比老式的直角锯齿形攀登挂钩梯灵活、轻便、使用范围广。梯上装有两个轮子,可以轻松的推到救援现场。 Recently, a trial of a new fire as shown in the figure linked to the ladder. This kind of structure hook ladder, in addition to very easy to climb from the balcony to the fire inside the building, but also can be used to boarded gantry crane, crane and other aerial work place disaster relief and rescue. It is more flexible and lightweight than the old-fashioned right-angle zig-zag climbing hooks and has a wide range of uses. The ladder is equipped with two wheels, you can easily push to the rescue scene.