Submarine cable traction winch for submarine cable repair ship

The invention discloses a submarine cable traction winch for a submarine cable repair ship, and belongs to the technical field of submarine cable repair equipment. Two parallel extension frame bodies are connected to the left side end of a frame, and the outer side ends of the two extension frame bodies are connected through an arc-shaped distributor plate; an arc-shaped frame plate is installed at the bottom of the stretching frame body, lead frame bodies are symmetrically arranged at the two ends of the arc-shaped frame plate, rotating mechanisms are installed on the left sides of the lead frame bodies, and a retracting and stretching mechanism for extruding and fixing submarine cables is installed at the bottom of the arc-shaped frame plate; a traction part is installed on the right side of the frame and comprises an upper traction unit and a lower traction unit, a wire leading piece is installed on the stretching frame body, and the rotating mechanism is used for adjusting a hoisting supporting point of a