Deepwater heavy-load seabed conveying synthetic fiber cable winch system

The utility model provides a deepwater heavy-load seabed conveying synthetic fiber cable winch system which comprises a traction cable storage winch system, a straight pulling winch, a synthetic fiber cable and a pulley. The traction cable storage winch system comprises a cable storage winch and a double-drum traction winch which are arranged on one side of the deck, and the straight pulling winch is arranged on the other side of the deck; the pulley is arranged between the cable storage winch and the straight pulling winch; one end of the synthetic fiber cable is wound on the cable storage winch, and the other end of the synthetic fiber cable is wound on the double-drum traction winch, extends to a pulley to turn and is finally wound on the straight pulling winch; a cargo containing part is reserved between the pulley and the straight pulling winch, and the cargo containing part is hung on the synthetic fiber cable and lowered to the seabed of the deep sea. The conveying stability and the conveying efficienc