LF2 mesh belt of mesh belt blocking device

In order to solve the problem that when a horseshoe net belt climbs, materials are prone to falling off, the LF2 net belt of the net face belt blocking device comprises a plurality of force bones arranged in parallel at intervals, horseshoe-shaped connecting plates, left spiral lines, right spiral lines and anti-falling net belts, the left spiral lines and the right spiral lines are alternately wound between every two adjacent force bones, the anti-falling net belts are wound on the right spiral lines, and the left spiral lines and the right spiral lines are connected through the horseshoe-shaped connecting plates. The two sides of the left spiral and the two sides of the right spiral, namely the two ends of each force bone are each provided with a horseshoe-shaped connecting plate, the lower end of each horseshoe-shaped connecting plate is arranged on one force bone in a penetrating mode, and the upper end of each horseshoe-shaped connecting plate is arranged on the force bone which is located above the forc