Auxiliary device for lifting marine mooring rope

The invention discloses a marine mooring rope lifting auxiliary device which comprises a one-way clamping assembly, a supporting assembly and a locking assembly, the one-way clamping assembly comprises two clamping blocks and two elastic pieces, the supporting assembly comprises two first supporting rods, the clamping blocks are supported on a ship body through the first supporting rods, and the clamping blocks can rotate around the axes of the first supporting rods; a cable channel is formed between the two clamping blocks, a cable clamping face is arranged on the side, close to the cable channel, of each clamping block, protrusions making contact with a cable are arranged on the cable clamping faces in a protruding mode, a cable inlet and a cable outlet are formed in the two ends of the cable channel in the length direction, and the cable inlet and the cable outlet are sequentially distributed in the forward direction of cable lifting. The cable outlet faces the forward direction of cable lifting, each clam