Fuselage reinforcing frame assembly and unmanned aerial vehicle

The invention relates to a fuselage reinforcing frame assembly and an unmanned aerial vehicle, the fuselage reinforcing frame assembly is arranged on a fuselage of the unmanned aerial vehicle, the fuselage reinforcing frame assembly comprises at least two reinforcing frames arranged on the fuselage in a sleeving mode, a plurality of limiting columns, a connecting assembly and a tying assembly, the reinforcing frames are arranged at intervals in the first direction, and the first direction is the extension direction of the fuselage; the reinforcing frames are connected through the limiting columns, the multiple limiting columns extend in the first direction and are distributed in the circumferential direction of the reinforcing frames, the connecting assemblies are fixedly connected with the reinforcing frames correspondingly, the connecting assemblies and the limiting columns are arranged in a staggered mode and detachably connected with the wings, and the tying assemblies are connected with the limiting colu