随着经济的发展，高层建筑逐步增多，火灾荷载和不安全因素也随之增加。高层建筑一旦发生火灾，要求消防指战员必须迅速到达起火部位，并尽快组织扑救。普通电梯因电源没有保障，且又不防火，不防烟，故只能依靠疏散楼梯进行攀登，利用疏散楼梯攀登楼层，不仅体力消耗很大，而? With economic development, the number of high-rise buildings has been gradually increasing, and the load of fires and insecurity have also increased. In the event of a fire in a high-rise building, the fire officers and soldiers must promptly reach the fire site and organize the rescue as soon as possible. Ordinary elevator power is not guaranteed, and not fire, no smoke, it can only rely on evacuation stairs to climb, the use of evacuation stairs to climb the floor, not only physical exertion is very large, and?