Tower crane standard mast section welding mold

The utility model relates to a tower crane standard mast section welding mold which comprises a base, a left end frame and a right end frame. The left end frame and the right end frame are assembled at the left end and the right end of the base in a corresponding and rotating mode. The left end frame and the right end frame are fixed together through a connecting rod which stretches in the left-right direction. The left end frame is provided with a left locating pin shaft structure and a left locating datum plane. The right end frame is provided with a right locating pin shaft structure used for being inserted in a connecting sleeve at the right end of a main limb assembly. At least two right pushing threaded rods are further spirally mounted on the right end frame, and the right pushing threaded rods are used for being matched with an end cover plate at the right end of the main limb assembly in a pushing mode to make the end face of the left end of the main limb assembly pushed and pressed on the left locating datum plane. Since the end face of the left end of the main limb assembly is pushed and pressed on the left locating datum plane by screwing the right pushing threaded rods, operation is simple, and it is guaranteed that multiple main limb assemblies have the same locating datum in the welding process and the manufacturing accuracy of a welded standard mast section meets the design requirements.