Profile steel cantilever frame for bearing large-span cantilever fire fighting corridor

The utility model discloses a large span overhanging fire fighting corridor load bearing profile steel overhanging frame, including building structure, fixed plate, number two support subassembly, moving piece, adjusting subassembly and limit subassembly, the fixed plate is installed on one side of building structure, the moving piece is connected to fixed plate surface in sliding mode. Through the arrangement of the adjusting assembly, when a worker needs to adjust the position of the moving part, the worker only needs to pull down the connecting plate, the connecting plate can drive the limiting plate to be separated from the moving part, the worker can normally slide the moving part, and after the worker adjusts the position of the moving part, the worker only needs to move up the connecting plate, so that the worker can conveniently move the moving part. The connecting plate can drive the limiting plate to be connected with the moving part in an inserted mode, the moving part is firmly fixed, compared wit