Pipeline positioning device

The utility model relates to a pipeline positioning device which comprises two side plates, a positioning device and a positioning device. The sliding adjusting module is arranged on the side plate; the upper clamping plate is a semicircular clamping plate which is bent upwards; the lower clamping plate is a semicircular clamping plate which is bent downwards, and a circular space is formed between the lower clamping plate and the upper clamping plate; the limiting modules are arranged at the two ends of the upper clamping plate and the lower clamping plate and clamp the upper clamping plate and the lower clamping plate; the two ends of the connecting block are connected with the sliding adjusting module and the limiting module respectively, and the sliding adjusting module can drive the connecting block and the upper clamping plate and the lower clamping plate connected with the connecting block to slide on the side plates. According to the positioning device, the appropriate upper clamping plate and the app