Friction sliding isolation bearing based on STF

The utility model provides an STF-based friction sliding shock insulation support, which comprises an upper cover plate, a bolt, a friction surface, an STF, a square sliding block, a hollow sliding block, a spring, a rubber pad, a metal shell and a lower bottom plate, the upper cover plate is placed at the upper part of the metal shell of which the upper surface is provided with a friction material, and the upper cover plate and the square sliding block are connected into a whole through the bolt; the square sliding block is placed in the hollow sliding block, concave gaps are formed in the two sides of the square sliding block, a gap is formed in the bottom, metal springs are placed on the front face and the rear face of the square sliding block and make contact with the inner wall of the hollow sliding block, and the internal space is filled with STF. The hollow sliding block is placed in the metal shell, concave gaps are formed in the two sides and the bottom of the hollow sliding block, the springs are pl