塔机是建筑施工现场重要的垂直运输设备，是建筑施工现场重大的危险源之一。近年来，仅山东省就发生多起塔机司机下机时高处坠落事故。2002年7月21日，某公司塔机司机在未经现场管理人员同意的情况下，擅自爬上塔机收拾物品，在下塔机时意外失足坠落地面死亡。2006年6月25日， Tower crane is an important vertical transport equipment at the construction site and is one of the major hazards of the construction site. In recent years, more than one crane accident occurred in Shandong Province when a crane crashed off the ground. July 21, 2002, a company’s tower crane driver without the consent of the scene management staff, unauthorized climb tower crane to tidy up the goods, in the next tower crane accidental fall crashed into the ground and died. June 25, 2006