Steel welding tool for bridge engineering

The utility model discloses a steel welding tool for bridge engineering. The welding tool comprises a welding tool table, supporting legs are fixedly connected to the four corners of the lower surfaceof the welding tool table. A plurality of workpiece fixing holes are formed in the inner surface of the welding tool table; a slag sliding cover is fixedly mounted in the middle of the lower surfaceof the welding tool table; the slag sliding cover comprises two first slag sliding plates and two second slag sliding plates; a connecting cylinder is fixedly connected to the lower end of the slag sliding cover, a slag collecting box is fixedly installed at the lower end of the connecting cylinder, a first pull handle is fixedly connected to the horizontal end of the slag collecting box, a sliding rail is fixedly installed on one side of the upper surface of the welding tool table, and a first fixing strip and a second fixing strip are fixedly connected to the two ends of the sliding rail correspondingly. According to