Cargo boom structure of automatic crane

The invention discloses a cargo boom structure of an automatic crane, which comprises five horizontally arranged reinforced steel frames, four reinforced steel frames are arranged at four corners of a regular rectangle, and the other reinforced steel frame is arranged at the position in the forward direction of the four reinforced steel frames. The other reinforcing steel frame and the two adjacent reinforcing steel frames are arranged in the triangular direction of a regular triangle, X-shaped reinforcing pieces are evenly distributed and fixedly installed between every two adjacent reinforcing steel frames, and the five reinforcing steel frames and the multiple X-shaped reinforcing pieces form a cargo boom; and a safety carriage is fixedly mounted on the other reinforced steel frame close to the lower curved surface of the four reinforced steel frames. In the using process, the safety wearing mode of multiple maintenance personnel can be met, and the problem that the rescue speed is affected due to the fact