Door type protection device for intelligent charging column based on electric power system

The invention provides a door type protection device for an intelligent charging column based on an electric power system, and relates to the field of charging pile protection devices, the door type protection device comprises a metal protection cylinder, the whole section of the metal protection cylinder is of a rectangular structure, and a vertically-arranged charging column is installed in the inner space of the metal protection cylinder; two gun holes are symmetrically formed in the middles of the left side and the right side of the charging column, two charging guns are symmetrically installed in the two gun holes in an inserted mode, and no resistance exists between the two charging guns and the two gun holes; two vertical supporting positioning shafts are symmetrically welded to the middles of the left side and the right side of a metal protection barrel base, through power transmission of a pull rod and a T-shaped pressing rod, when a synchronous sliding frame slides downwards to open three door plate