Discharging platform capable of being disassembled and turned over

The discharging platform comprises main beams, secondary beams, a panel, guardrails and steel wire ropes, the main beams are two pieces of H-shaped steel which are horizontally arranged in the transverse direction, the secondary beams are a plurality of pieces of channel steel which are horizontally arranged in the longitudinal direction, and the two ends of each secondary beam are inserted between upper flanges and lower flanges of the two main beams respectively and fixedly connected with the main beams through bolts. The face plates are laid on the tops of the secondary beams, the two main beams are fixedly connected with a floor of the floor and extend out of a building in an overhanging mode, the overhanging ends are fixed to an upper floor through steel wire ropes in a cable-stayed mode, a plurality of sleeves are welded to the top faces of upper flanges of the main beams in the length direction, and the guardrails comprise vertically-arranged stand columns and horizontally-arranged transverse rods conn