The utility model discloses a pipeline auxiliary installation device which comprises a square base, two grooves are formed in the top face of the square base, rotating seats are arranged in the grooves, the tops of the rotating seats are connected with a supporting seat through lifting assemblies, a top plate is arranged at the top of the supporting seat, a fixing sleeve is arranged at the top of the top plate, and a
threaded rod is arranged in the fixing sleeve. The top end of the screw rod is connected with a first rotating
handle, the bottom end of the screw rod is connected with a clamping plate, a cavity is formed in the square base, a worm gear is arranged in the cavity through a rotating shaft, the top end of the rotating shaft is connected with the bottom of the rotating seat, a worm is arranged in the cavity, one end of the worm is connected with a rotating rod, and the other end of the rotating rod extends to the outside and is connected with a second rotating
handle; the second rotating
handle is rotationally connected with the outer side surface of the square base; according to the device, the two supporting seats can be adjusted to rotate to be perpendicular to each other, at the moment, the right-angle bent position of the pipeline can be well supported and assisted, operation is easy and convenient, the working efficiency is greatly improved, use flexibility is high, and the device is worthy of popularization.