Fabricated raised floor damping support device

The invention provides an assembly type raised floor vibration reduction support device, and belongs to the technical field of assembly floors, the assembly type raised floor vibration reduction support device comprises a connecting platform (1) and a base (2), the base (2) is connected with a supporting cylinder (3), and the base (2) is provided with at least two supporting plates (2-1) which are concentric with the supporting cylinder (3) and are annularly distributed at equal intervals on the periphery of the supporting cylinder (3); a viscous-elastic material ring (5) is arranged in the supporting cylinder (3), and the bottom of the connecting platform (1) is movably connected with an inner connecting rod (6). A spring steel sheet (4) is connected between the inner connecting rod (6) and the supporting plate (2-1); the outer diameter of the upper part of the inner connecting rod (6) is greater than the inner diameter of the viscoelastic material ring (5); a screw rod (6-2) is arranged at the lower part of