Building engineering water supply pipeline fixing device

The utility model discloses a constructional engineering water supply pipeline fixing device which comprises an installation bottom plate, a guide groove is formed in the upper end of the installation bottom plate, guide sliding blocks which are symmetrically arranged are connected in the guide groove in a sliding mode, a fixing block is fixedly connected to the upper ends of the guide sliding blocks, and a lifting block is movably connected to the inner side of the upper end of the fixing block. The upper end of the lifting block is fixedly connected with a fixed clamping block, V-shaped grooves are formed in the inner side of the fixed clamping block and the inner side of the other fixed clamping block, rubber pads are fixedly connected into the V-shaped grooves, damping grooves distributed at equal intervals are formed in the lower end of the mounting bottom plate, and the upper ends of the left side and the right side of the mounting bottom plate are fixedly connected with fixed bases. The fixed clamping