Pipeline supporting device

The utility model discloses a pipeline supporting device which comprises a bottom plate, an installation frame is fixedly installed on the bottom plate, a fixing frame is arranged at the top end of the installation frame, a second threaded rod is connected into the fixing frame in a rotating mode, two clamping frames are arranged on the top of the fixing frame, sliding seats are fixedly installed at the bottom ends of the two clamping frames, and the two sliding seats are arranged on the second threaded rod in a sleeved mode. Sleeve rods are fixedly mounted on the sides, away from each other, of the two clamping frames, limiting blocks are slidably connected into the two sleeve rods, extension rods are fixedly mounted on the sides, away from each other, of the two limiting blocks, and the sides, away from each other, of the two extension rods extend out of the sleeve rods, so that the mounting efficiency is further improved. Meanwhile, due to the fact that the clamping frames are arc-shaped and arranged on th