Robot welding device for high-speed rail beam

The utility model discloses a robot welding device of a high-speed rail cross beam, and particularly relates to the technical field of welding, the robot welding device comprises a shell, a base bodyis arranged at the bottom of the shell, rolling wheels are embedded in the two sides of the bottom of the shell, and a moving mechanism is arranged at the top of the shell; the moving mechanism comprises an electric push rod, the electric push rod is fixedly connected to the top of the shell, a transverse rod is fixedly connected to the top of the electric push rod, and a conveyor is fixedly inlaid in the top of the transverse rod. The double-shaft motor is started to move on the track at the top of the base body, then the conveyor and the welding gun are started, the conveyor drives the moving box to move, then the welding gun is used for welding, the position of the welding gun is adjusted through the electric air cylinder, and therefore welding is more reasonable, and the welding efficiency is improved. The wor