The utility model discloses a rib wall caving protection network dedicated connection fastener, connecting seat welded fastening on support beam, the articulated locking dog that is equipped with of the one end of connecting seat, the other end of connecting seat is equipped with jack catch no. 2, connecting hole setting that the jack catch no. 1 of connecting the claw passed the protecting wire net, one of them jack catch no. 1 and two block settings of jack catch, another jack catch no. 1 sets up with the locking dog block, and the articulated check lock lever that is equipped with still onthe connecting seat, the tip of check lock lever pass locking dog's through -hole, and the tip of check lock lever adopts the locking bolt to lock the block on jack catch no. 1 with locking dog, the utility model discloses not only can be fine fix the protecting wire net is locked on support beam, moreover, convenience simple to use, it is fixed effectual, the slippage effect of protecting wire net appearance after strutting can be effectively prevented, and then the problem of wall caving flake -off is prevented, the utility model discloses it is simple to use, construction convenience, the fine emergence that prevents the roof fall.