Concrete node poured in steel hemisphere

The utility model discloses a concrete node poured in a steel hemisphere. The node component comprises a buckled shell-shaped steel hemisphere, a circular bottom sealing plate, a steel skeleton connected with the lower part of a building structure and a bracket connected with the upper part of the building structure, wherein the four parts are connected. One end of the bracket is connected with the periphery of the casing of the shell-shaped steel hemisphere, and the other end of the bracket is connected with the upper part of the building structure; the circular bottom sealing plate is welded on the bottom surface of the shell-shaped steel hemisphere; a pouring hole is formed in the center of the circular bottom sealing plate; concrete is poured inside the casing of the shell-shaped steel hemisphere through the pouring hole; the circular bottom sealing plate is welded with the top surface of the steel skeleton; a steel rib of the steel skeleton comprises a circular supporting top plate on the top surface and