Connecting structure of steel structure beam and steel structure column

The utility model relates to a connecting structure of a steel structure beam and a steel structure column, and the steel structure column comprises a box-type stand column main body, a beam fixing device and a fixed stand column, the beam fixing device is fixedly connected with the stand column body based on the square through hole, and the size and the vertical depth of the first rhombic through hole are matched with the fixed stand column. The bottom of the beam fixing device is provided with an inverted T-shaped groove, the side face is provided with a steel structure beam inlet, and the upper face is of a semi-closed structure and provided with a plurality of fixing screws. The length of the steel structure beam is matched with the length of the beam fixing device and matched with the square through hole. A second rhombic through hole is formed in the center of the steel structure beam, and the second rhombic through hole is matched with the first rhombic through hole and the fixed stand column; a plural