Anti-seismic composite support for long-piled wharf in soft mud land

The anti-seismic composite type support comprises an outer box body, a lower column is arranged in the middle of the outer wall of a bottom plate of the outer box body in the vertical direction, a damping box with an opening in the top face is installed in the outer box body, and two inserting rods are fixed to each outer wall of the damping box in the horizontal direction. Each insertion rod is sleeved with a compression spring, the outer end of each insertion rod is inserted into an installation through hole formed in the outer box body, four fixing rods arranged in the vertical direction are fixed in the shock absorption box, each fixing rod penetrates through a middle hole of the corresponding air bag, and the air bag is arranged in the middle of the shock absorption box. An upper cover is fixed to the top wall of the damping box, an upper column is fixed to the middle of the upper cover in the vertical direction, each fixing rod penetrates through a fixing hole of the upper cover and is in threaded conne