External attachment device of laser indicator in hoisting process of fan tower drum

The utility model belongs to the technical field of fan tower tube hoisting, in particular to an external attachment device of a laser indicator in the fan tower tube hoisting process, which comprises a main body component, the main body component comprises a tower tube, a mounting block, a ground centering device and a laser indicating component, the mounting block is arranged on one side of the tower tube, and a mounting rod is fixedly mounted on one side of the tower tube; a mounting groove is formed in one side of the mounting block, the mounting rod is clamped in the mounting groove, the ground centering device is arranged on one side of the bottom of the tower drum, the fixing rod is mounted on the mounting block, a rail groove is formed in the bottom of the fixing rod, the laser indicator can be rapidly adjusted to the position aligned with the ground centering device at the bottom by driving the adjusting assembly, and adjustment is convenient and rapid; the device is simple in structure and labor-sav