Rapid unfolding and folding device for large-array-plane overhead ground screen of antenna system

The utility model discloses a rapid unfolding and folding device for a large-array-plane overhead ground screen of an antenna system, which comprises 2n grounding foundations, vertical supporting rod assemblies are arranged on the foundations, the foundations are integrally arranged into a rectangle, the top ends of the supporting rod assemblies positioned on the transverse sides of the rectangle are connected together through transverse hanging rods, and the supporting rod assemblies are arranged on the ground. The top ends of the supporting rod assemblies located on the longitudinal sides of the rectangle are connected together through longitudinal hanging rods, a plurality of pull ropes are distributed along the edge of the ground net face, and the pull ropes are connected with the adjacent transverse hanging rods or the longitudinal hanging rods through hooks respectively. The rapid unfolding and folding device is simple, reliable, good in maneuverability and low in cost, plane projection is of a rectangu