Petroleum pipeline cleaning device

The invention is suitable for the technical field of pipeline cleaning, and provides a petroleum pipeline cleaning device which comprises a bottom plate, a first driving part, a reciprocating cleaning mechanism and a scraping part, the two ends of the bottom plate are rotationally connected with a worm and a rolling shaft correspondingly, and the first driving part is fixedly connected to the upper portion of the bottom plate through a vertical plate; the output end of the first driving piece is connected with a spline sleeve, the spline sleeve is meshed with a main shaft, the main shaft is rotationally connected to the bottom plate, a plurality of long rods are fixedly connected to the main shaft, sliding rods are arranged in the long rods in a sleeved mode, and elastic pieces are fixedly connected between the sliding rods and the long rods; therefore, through the reciprocating cleaning mechanism, the cleaning brush at the front end can move front and back in a small range and rapidly, impurities such as rus