Pier column construction device and construction method

The invention provides a pier column construction device and method, and relates to the technical field of pier column construction. The number of the reinforcing units is two, and the two reinforcing units are installed outside the hoop unit. The number of the auxiliary units is two, and the two auxiliary units are installed outside the hoop unit. Four rows of protection stabilizing heads are arranged, and the four rows of protection stabilizing heads are installed on the two semicircular reinforcing blocks in a sliding mode; the inner ends of the four rows of protection stabilizing heads are of a conical structure, and the outer ends of the four rows of protection stabilizing heads are of a hemispherical structure. Four rows of reset springs A are arranged in total, and the four rows of reset springs A are installed outside the four rows of protection stabilizing heads and located on the outer sides of the two semicircular reinforcing blocks. According to the invention, the semicircular reinforcing plate ca