目前，国内八层楼房以下的建筑工地，普遍采用队型标准节式小型搭机做为提升物料的主要设备，该设备具有装卸方便。占地面积小、起重臂长、运行稳定等优点。但该设备在使用中，其电器部分或起升机构、回转机构、小车变幅机构常出现一些故障，直接影响到建筑工地的施工安全。因 At present, the construction sites below eight-story buildings in China generally adopt the standard small-sized team-type flying machine as the main equipment for upgrading materials, and the equipment is convenient for loading and unloading. Small footprint, boom length, stable operation and so on. However, the equipment in use, the electrical part of the lifting mechanism, slewing gear, trolley luffing agencies often appear some faults, a direct impact on construction site construction safety. because