Petroleum pipeline cleaning device

The utility model discloses a petroleum pipeline cleaning device which comprises a fixing block, a first motor is fixedly connected to the upper side of the fixing block, a first rotating shaft is fixedly connected to the output end of the upper side of the first motor, a rotating disc is fixedly connected to the upper side of the first rotating shaft, a cleaning unit is arranged on the upper side of the rotating disc, and the cleaning unit comprises a fixing rod. The fixing rod is fixedly connected to the upper side of the rotating disc, the upper end of the fixing rod is fixedly connected with a fixing disc, and the upper side of the fixing disc is rotationally connected with four rotating rods. According to the petroleum pipeline cleaning device, the rotating disc, the fixing rod, the fixing disc and the cleaning heads are arranged, the four rotating cleaning heads can conveniently clean a petroleum pipeline, the cleaning effect is improved, through the rotating rod, the switching disc, the first gear and