Installation structure of integrated secondary device cabin

The invention discloses an installation structure of an integrated secondary device cabin. The installation structure comprises a cabin body of a device cabin and cabinet racks. Operation channels are left between double rows of the cabinet racks. Connection cabinets are arranged on the operation channels. A gap through with one person can pass is arranged in each connection cabinet. A cable layer and a placing layer are arranged in the cabin body of the device cabin. An external wiring terminal box is arranged in the cabin body of the device cabin. Cables communicating with the outside through the external wiring terminal box are arranged from the cable layer towards the cabinet racks. The cabinet racks are rotatably connected with a rotary swing rack and a cabinet door. Hinging shafts of the cabinet door and the cabinet racks are upwards parallel to hinging shafts of the rotary swing rack and the cabinet racks in the length direction of the cabinet racks. Hinging shafts of the cabinet door and the cabinet r