Movable safety level protection device

The utility model discloses a movable safety horizontal protection device which comprises bearing pieces, clamping pieces and a protective net, the two bearing pieces are symmetrically arranged, the two bearing pieces are arranged into one set, the multiple sets of bearing pieces are transversely arranged, each bearing piece comprises a movable base, a sliding frame is vertically fixed to the middle of the top face of the movable base, and the clamping pieces are arranged on the sliding frame. A plurality of springs are vertically fixed to the top face of the movable base, the clamping piece comprises a sliding block, the sliding block is vertically installed in the sliding frame in a sliding mode, the bottom end face of the sliding block is fixedly connected with the top ends of the springs, and a lower clamping plate is horizontally fixed to the vertical end face of one side of the sliding block. The problems that most existing protective nets are supported through steel cables, the two sides of each protec