Protective device convenient to splice for wharf

The utility model discloses a protective device convenient to splice for a wharf. Supporting frames which are distributed in parallel are arranged at the bottom of the transverse handrail, and the supporting frames are used for supporting the installation of the device; the first connecting rods are in butt joint above the position between every two adjacent supporting frames; comprising a sliding groove formed in the surface of one side of the transverse handrail; and the protective net is arranged between the first connecting rod and the second connecting rod. According to the protective device convenient to splice for the wharf, the supporting frame and the mounting base are positioned and mounted, a locking pin penetrates through the mounting base and the supporting frame for locking and fixing, and positioning blocks on the edges of the upper side and the lower side of the protective net are connected with clamping grooves in the surfaces of a first connecting rod and a second connecting rod in a clamped