Overhaul platform of sky train

The utility model discloses a maintenance platform of a sky train, which comprises a bearing frame structure, a running rail, a first-layer operation platform and a second-layer operation platform, the bearing frame structure comprises a bearing door frame and a track hanging bracket, the bearing door frame is connected with the running rail through the track hanging bracket, and the bearing door frame is respectively connected with the first-layer operation platform and the second-layer operation platform; the bearing frame structures and the walking rails are sequentially connected to form a maintenance platform, and the maintenance platform is provided with a box girder connector portal module, an equipment hoisting opening module, a marshalling area module, a weighing area module and a bogie on-line area module. According to the utility model, the maintenance, marshalling, weighing and parking operations of the air rail train can be completed through one or more of the equipment hoisting port module, the