Portable movable track device for welding marine diesel engine rack single piece

The utility model discloses a portable movable track device for welding a single piece of a marine diesel engine rack, and belongs to the technical field of marine diesel engines. The portable moving track device comprises a top track, a platform, supporting legs, lifting supporting legs and moving pulleys, the top track is installed on one side of the top face of the platform, the supporting legs and the lifting supporting legs are installed below the platform, and one moving pulley is installed at the bottom of each supporting leg; the distance between the two ends of the rail plate in the top rail is equal to the width of the web plate, and when the top face of the platform of the portable movable rail device is flush with the top face of the web plate of the marine diesel engine rack single piece, the two ends of the top rail are connected with the two ends of the guide rail plate in the marine diesel engine rack single piece. The movable track device is simple in structure, capable of ascending and desce