Pipeline aligning clamp for online or offline pipeline assembly

The pipeline aligning clamp comprises an upper clamp body, a lower clamp body and an opening adjusting screw rod, the upper clamp body and the lower clamp body are arranged up and down, the tail portions of the clamp openings are hinged through a fixing pin, and an upper pin shaft and a lower pin shaft are arranged in the middle of the upper clamp body and the middle of the lower clamp body respectively. The opening adjusting screw rod is screwed into the screw hole of the upper pin shaft, and the bottom end of the opening adjusting screw rod is movably connected with the lower pin shaft. According to the aligning clamp, the defects of traditional pipeline assembling operation are overcome, the pipeline assembling operation difficulty and risk are reduced, the assembling operation efficiency is effectively improved, the operation time is effectively shortened, the operation cost is reduced, the safety and the assembling stability are improved, and the pipeline assembling quality is guaranteed. 本实用新型公开了一种用于在线或