High-strength insulation board

The utility model discloses a high-strength heat insulation board which comprises a composite material heat insulation main board, a compression-resistant spring is arranged in the composite material heat insulation main board, one end of the compression-resistant spring is fixed, and the other end of the compression-resistant spring can move in the composite material heat insulation main board. The non-fixed ends of the compression-resistant springs extend to the right side of the composite material heat preservation main plate and are fixedly connected with buffering pressing blocks, the number of the compression-resistant springs and the number of the buffering pressing blocks are both six, and the six buffering pressing blocks are distributed in a rectangular array mode. The high-strength heat preservation board and the composite material heat preservation main board are integrally formed by compositing the reinforcing installation panel, the heat preservation foam board and the fireproof flame-retardant