Building assembly type cantilever horizontal safety protection net support system

The utility model discloses a building assembly type cantilever horizontal safety protection net support system which is composed of a folding cantilever beam component unit, a cantilever beam connecting base, a pulley control mechanism for hanging a net and contracting a steel wire rope, an infrared calibrator and a protection net. Connecting net sleeves are arranged on the two sides of the protective net and arranged on the steel wire ropes in a sleeving mode in the using process, and front sleeve openings and rear sleeve openings of the connecting net sleeves are fixed through steel wires.Each folding cantilever beam unit is composed of a folding cantilever beam, a cantilever beam connecting piece, a cantilever beam fixing structure and a bearing middle beam. The two folding cantileverbeams are connected left and right, and the tops and the bottoms of the folding cantilever beams are connected through the cantilever beam connecting pieces. The utility model has the advantages thatthe difficulty of assembli