Cable-direction-adaptive rov winch applied to non-dynamic-positioning-equipped motherships

A cable-direction-adaptive ROV winch applied to non-dynamic-positioning-equipped motherships, comprising:

• a non-dynamic-positioning-equipped mothership, an A-shaped support and a winch cable-drawing roller provided on the non-dynamic-positioning-equipped mothership, and an underwater vehicle, wherein a pulley is rotatably connected to the A-shaped support, the underwater vehicle is connected to an umbilical cable, and the umbilical cable passes around the pulley to be connected to the winch cable-drawing roller;
• a locating unit for guiding the umbilical cable is provided on the non-dynamic-positioning-equipped mothership;
• the A-shaped support is provided with a rod;
• the pulley comprises a sliding section and a rotating section, and the sliding section is annular and slides on the rod along a direction of the rod;
• the rod has a groove, and a bulge portion is formed on the sliding section;
• the rotating section is rotatably connected to an outer circle of the sliding section via a shaft bearing.