目前苏联生产的全部有轨建筑起重机所装设的防爬装置,都只是人力驱动的。这种工作情况的先决条件是: 1.当风速达到五级(15米/秒)时,由于吊臂迥转困难,而重物开始作剧烈的摇摆,起重机司机要自己确定在何时应该停止工作; 2.水文气象站要提前2—3小时发出台风警报; At present, the anti-climbing devices installed on all rail construction cranes produced in the Soviet Union are only manpower-driven. The prerequisites for this work are: 1. When the wind speed reaches Level 5 (15 m / s), the crane driver has to determine for himself when to stop Work; 2. Hydrological weather stations to be issued 2-3 hours in advance typhoon warning;