施工电梯是国内近年来发展起来的新型垂直运输机种,在高层建筑施工中,它已成为重要的施工设备,不仅可运送建筑施工材料,还可作为施工人员上下楼层的交通工具。施工电梯在国外,品种繁多,已经形成多国系列化。在国内还处于成长期,目前,仅有单轿厢和双轿厢二种形式,第一代设计的单传动和楔式限速器,已经开始被第二代的双传动和摩擦式限速器所更新替代。 The construction elevator is a new type of vertical transport aircraft developed in recent years in China. In the construction of high-rise buildings, it has become an important construction equipment. It can not only transport building construction materials, but also can be used as transportation means for construction workers to go up and down the floor. Construction elevators have a wide variety in foreign countries and have become a multinational series. It is still in growth stage in China. At present, there are only two types of single car and double car. The first-generation single drive and wedge type speed limiter have already begun to be second-generation dual-drive and friction type speed limit. Updates are replaced.