Pipeline positioning auxiliary device

The utility model discloses a pipeline positioning auxiliary device, and relates to the field of pipeline machining. The device comprises an adjusting leg, a supporting plate is connected to the top of the adjusting leg, a first electric push rod is installed on the adjusting leg, the output end of the first electric push rod is connected with the adjusting leg, a blocking cover is slidably connected to the upper portion of the supporting plate, a sliding rail is fixed to the upper portion of the supporting plate, and a bearing plate is slidably connected to the sliding rail; a positioning piece is arranged on the bearing plate, a machining plate is fixed to the sliding rail, a first fixing piece is arranged on the machining plate, a mounting frame is connected to the machining plate, and a second fixing piece is in threaded connection to the mounting frame, so that a pipeline can be positioned on the auxiliary device; the two ends of the pipelines can be effectively fixed during splicing, and the positioning