Drainage pipeline mounting bracket

The utility model discloses a drainage pipeline installation support which comprises a supporting frame and an installation mechanism, and the installation mechanism comprises a movable frame, a sliding groove, a driving assembly, a fixed frame, a movable block, a clamping frame and a pressing assembly. The number of the movable frames, the number of the fixed frames, the number of the movable blocks, the number of the clamping frames and the number of the pressing assemblies are all two, the movable frames, the fixed frames, the movable blocks, the clamping frames and the pressing assemblies are divided into two groups and symmetrically installed on the supporting frame, relative movement of the two groups of movable frames can be achieved through the driving assembly, the clamping frames make contact with the outer wall of a pipeline conveniently, and the pipeline is conveniently limited and kept stable through the pressing assemblies. And vibration of the pipeline can be reduced, and the installation effec