Gantry anti-seismic support hanger

The utility model relates to a gantry anti-seismic support hanger, which comprises a suspension arm, a mounting seat, a cross beam, and a suspension arm and an inclined suspension arm fixedly mountedat two ends of the cross beam respectively, wherein the lazy arm is formed by manufacturing left-hand threads at two ends of a steel rod, threads at the upper end of the lazy arm and a connecting seatform an adjusting device and are fixedly connected with a mounting seat through the adjusting device, and the lower end of the lazy arm is fixedly connected with a cross beam through a thread adjusting device; the adjusting device is formed by matching threads at the upper end of the lazy arm with a screw hole in the center of the lower plane of the connecting base, U-shaped openings in the upperportion of the connecting base are fixedly embedded in the two sides of a vertical plate in the middle of the lower portion of the installing base, and locking nuts are installed between the upper face and the lower face of th