Building water supply and drainage pipeline mounting and fixing device

The utility model belongs to the technical field of building fixing devices, and particularly relates to a building water supply and drainage pipeline mounting and fixing device which comprises a base, a sleeve is fixedly mounted at the top of the base, a vertical shaft is rotatably mounted at the top of the base, a driving gear is fixedly mounted at the bottom end of the vertical shaft, and an adjusting screw rod is rotatably mounted at the top of the base. A driven gear is fixedly installed at the bottom end of the adjusting lead screw, and the driving gear is meshed with the driven gear. The pipeline fixing device is reasonable in structural design, through cooperation of the vertical shaft, the driving gear, the driven gear, the adjusting lead screw, the supporting rod, the clamping groove, the sleeve and the fixing screw rod, the height and angle of the device can be conveniently adjusted according to the position of a pipeline, through cooperation of the worm, the worm gear, the threaded cylinder, the d