Submarine cable turntable structure of ship special for submarine cable repair

The invention relates to the field of submarine cable turntables, and particularly discloses a submarine cable turntable structure of a special submarine cable repair ship, which comprises a submarine cable turntable, a moving trolley is mounted on the outer side of an annular guide rail, a cable pushing mechanism is mounted on one side, close to the circle center of the submarine cable turntable, of the moving trolley, and the cable pushing mechanism comprises a hydraulic cylinder, a hydraulic telescopic rod and a submarine cable clamping ring. A ball sleeve is installed in the submarine cable clamping ring, a universal ball is installed on the inner side of the ball sleeve, a driven gear ring is installed on the outer side of the lower end of the submarine cable rotating disc, a guide ring is arranged in the bottom rotating disc, an embedded groove is formed in the upper surface of the guide ring, a rotating lug plate is installed on the outer side of the embedded groove, and a guide rotating wheel is insta