Large-load wing adopting 3D printing

The invention belongs to the technical field of unmanned aerial vehicles, and particularly relates to a large-load wing adopting 3D printing. Aiming at the problems in the prior art, the following scheme is provided: the large-load wing comprises a wing body, a fixing plate is arranged at one end of the wing body, a connecting mechanism is arranged between the fixing plate and the wing body, the wing body comprises five to eight wing sections, two carbon tubes are arranged in each wing section, a carbon plate is arranged between every two wing sections, the wing sections and the carbon plates are connected in series into a whole through the carbon tubes, a sleeve is fixedly connected in the wing section at one end far away from the fixing plate, the end parts of the carbon tubes are connected with the inner wall of the side surface of the sleeve through threads, and the outer wall of the wing body is coated with a thermal shrinkage film. According to the invention, the replacement cost after damage is saved,