Improved drying device for anti-corrosion coating on inner wall of petroleum pipeline

The utility model relates to the technical field of anticorrosive coatings, in particular to an improved petroleum pipeline inner wall anticorrosive coating drying device which comprises a first base, a first sliding groove is formed in one side of the first base, and a second base is connected to the inner surface of the first sliding groove in a sliding mode. A first motor is arranged on one side of the first sliding groove, a circular shaft is fixedly connected to the output end of the first motor, threads are formed in the outer surface of the circular shaft, a through hole is formed in one side of the second base, and the inner surface of the through hole is matched with the outer surface of the circular shaft; the second base is in threaded connection with the outer surface of the circular shaft through the circular hole, and a second sliding groove is formed in one side of the second base. The pipeline drying device has the advantages that the device moves into the inner wall of a pipeline through the