Safety protection mechanism and port wharf

The utility model provides a safety protection mechanism and a port wharf, and belongs to the technical field of protection devices. The safety protection mechanism comprises a mounting box body, a lifting mechanism and a protection assembly, the bottom of the mounting box body is open, the bottom of the mounting box body is fixedly connected with a baffle assembly, a plurality of sliding grooves are formed in the front face of the mounting box body, and the lifting mechanism comprises a floating plate, a plurality of connecting rods and a plurality of sliding blocks. By arranging the mounting box body, the mounting box body is mounted on the harbor quay wall, the sliding block slides up and down in the sliding groove, meanwhile, the protection assembly is connected with the sliding block, the bottom of the sliding block is connected with the floating plate through the connecting rod, the floating plate is arranged on the water surface, supporting buoyancy is provided for the protection assembly, and when the