Steel truss girder joint connecting structure

The utility model provides a steel truss girder node connecting structure, the two ends of each steel truss girder are respectively a male head and a female head, the male heads and the female heads of a plurality of adjacent steel truss girders are sequentially connected to form a main beam of a bridge, the end part of each female head is provided with a rectangular-frame-shaped joint, the end part of each male head is rectangular, and each male head is embedded in an inner cavity of the corresponding joint; the joint arranged on the female head is in a rectangular frame shape formed by a first stiffening plate, a bottom plate, two baffles and a plurality of second stiffening plates, is embedded with the male head and is further fixed through an end plate, so that the bearing capacity of the end part of the node is more stable, the construction safety is fully guaranteed, on the basis, the main bridge body can be extended and lapped end by end, and the construction efficiency is improved. And the constructio