Pipeline marking device

The utility model discloses a pipeline marking device which comprises a stainless steel pipe, a roller bearing arranged on one side of the stainless steel pipe, a steel plate arranged on one side of the stainless steel pipe, a round pipe arranged on one side of the steel plate, a marking pen arranged at the top end of the round pipe and a bolt arranged on the outer side surface of the round pipe. According to the pipeline marking device, the stainless steel pipe, the roller bearing, the steel plate, the round pipe, the marking pen and the bolt are arranged, so that the purpose of improving the marking accuracy and efficiency can be achieved. 本实用新型公开了一种管道划线装置器，包括不锈钢管，不锈钢管一侧设置滚轮轴承，不锈钢管一侧设置有钢板，钢板一侧设置有圆管，圆管顶端设置有划线笔，圆管外侧表面设置有螺栓；该管道划线装置器通过设置不锈钢管、滚轮轴承、钢板、圆管、划线笔、螺栓，可以达到提高划线的精确度与效率的目的。