Adjustable anti-seismic support special for fire-fighting pipeline

The utility model relates to the technical field of fire-fighting pipeline anti-seismic supports, and discloses an adjustable fire-fighting pipeline special anti-seismic support which comprises a bottom plate, supporting columns are fixedly connected to the left side and the right side of the upper surface of the bottom plate respectively, height adjusting devices are arranged on the outer sides of the supporting columns, and a damping device is arranged above the bottom plate. The height adjusting device comprises sliding rails arranged in the two supporting columns, pulley pieces are slidably connected to the inner sides of the two sliding rails correspondingly, fixing boxes are fixedly connected to the sides, away from each other, of the two pulley pieces correspondingly, threaded holes are formed in the sides, away from each other, of the two fixing boxes correspondingly, and threaded bolts are connected to the interiors of the threaded holes in a threaded mode. According to the adjustable anti-seismic su