Core material for shock insulation support, shock insulation support having friction core and preparation method therefor

A shock insulation support, comprising:

• a support main body, wherein the support main body comprises a plurality of steel plate layers and a plurality of rubber layers, wherein the plurality of steel plate layers and the plurality of rubber layers are horizontally laminated in an alternate manner, and the rubber layers are at both ends along a lamination direction;
• and the steel plate layers and the rubber layers are each provided with a through hole, and through holes of the plurality of steel plate layers and the plurality of rubber layers overlap along the lamination direction;
• a support core, wherein the support core comprises a core hole rubber protective layer, and a core material for shock insulation filled inside the core hole rubber protective layer;
• and the support core is embedded in the through holes of the plurality of steel plate layers and the plurality of rubber layers, wherein the core material comprising, in parts by weight:
• 150˜300 parts of steel shots, 50˜150 parts of zirconia particles, and 50˜100 parts of rubber particles;
• and
• a connecting plate, wherein the connecting plate comprises an upper connecting plate provided in a top portion of the support main body and a lower connecting plate provided in a bottom portion of the support main body, and the upper connecting plate and the lower connecting plate are oppositely arranged;
• wherein a protective layer is further provided on an inner wall of the core hole rubber protective layer.