Top bracing type anti-falling system attached to lifting scaffold

The utility model relates to the field of attached scaffolds, and discloses a back shore type anti-falling system attached to a lifting scaffold. In the lifting process of the frame body, the anti-falling ejector rod abuts against the guide rail under the action of the reset spring, and it is guaranteed that the frame body can only ascend. In the descending process of the frame body, the flexible steel wire rope is connected to the lifting pull rod of the lifting support and the pull ring of the anti-falling ejector rod, when the electric block is stressed, the displacement compression spring is compressed, the anti-falling ejector rod is pulled up by the flexible steel wire rope, the anti-falling ejector rod is not stressed, the frame body normally descends, and when the emergency situation that the electric block fails suddenly occurs, the electric block does not bear loads any more; at the moment, the displacement compression spring bounces, the flexible steel wire rope is not stressed any more, the anti-f