Pipeline paint brushing device

The utility model relates to the technical field of pipeline maintenance tools, in particular to a pipeline paint brushing device. The utility model provides a pipeline paint brushing device which can quickly paint the bent surface of a large-diameter pipeline and improve the working efficiency. A pipeline paint brushing device comprises a sleeve rod, a telescopic rod, a locking block, brushing cylinders, an elastic piece and a shielding mechanism, the telescopic rod is slidably connected to the interior of the sleeve rod, the locking block is connected to the right side of the upper portion of the sleeve rod in a threaded mode, the elastic piece is connected to the bottom of the sleeve rod, the brushing cylinders are rotatably connected to the elastic piece, and the brushing cylinders are in extrusion fit with the elastic piece. And the front side of the lower portion of the sleeve rod is provided with a shielding mechanism used for preventing paint from splashing in the painting process. According to the ut