Polyethylene plastic-coated complex pipe type cooling equipment for pipe

The utility model discloses a pipe polyethylene plastic-coated complex pipe type cooling device, which is applied to the field of ship and ocean engineering, and comprises a turnover mechanism rotationally supported on a base and driven by a first speed reducing motor to rotate; a rotating mechanism is arranged on the turnover mechanism and comprises two driving wheels which are driven by a second gear motor to rotate synchronously; a stand column is further vertically fixed to the turnover mechanism through a rotating disc, and a pressing lifting mechanism is arranged on the side wall of the stand column through a linear sliding rail, a sliding block and a lead screw driving frame. The lead screw is connected to the third gear motor. The pressing lifting mechanism comprises a pressing arm horizontally connected to the sliding block, and the bottom of the pressing arm is connected with a pressing wheel mechanism. The pressing wheel mechanism comprises two pressing wheels; the mirror image faces of the two pre