Curtain wall keel structure for installing fireproof insulation board

The utility model discloses a curtain wall keel structure for installing a fireproof insulation board. The keel comprises a longitudinal keel frame, a transverse keel frame and bolts, the two sides of the longitudinal keel frame are fixedly connected with support blocks. An inserting hole is formed in the upper side of the bracket block in a penetrating manner; a positioning hole is formed in the front side of the bracket block in a penetrating manner; the inserting holes and the positioning holes are communicated with each other; a first clamping groove is formed in the lower part of the left side wall of the transverse keel frame; a second clamping groove is formed in the upper part of the left side wall of the transverse keel frame; an inserting column is fixedly connected to the bottom of the inner wall of the upper side of the second clamping groove; the heat preservation plate installation structure has the advantages that the structure is simple, the convenience and practicability are realized, the tra