露天使用的起重机,尤其是门式起重机,停车锚定是个不易被人们重视,但又是关系到安全使用的重大问题。由于缺少锚定,在风多、风大的季节里往往会造成起重机的重大事故。仅北京地区露天使用的桥式起重机,尤其是门式起重机,每年都会发生有被风吹跑的; Open-air cranes, especially gantry crane, parking anchoring is not easy to be valued, but it is also a major issue related to the safe use. Due to the lack of anchoring, in the wind and windy season tend to cause serious accidents crane. Only the bridge crane used in the open air in Beijing area, especially the gantry crane, is run by the wind every year;