Fixing mechanism for submarine cable

The utility model discloses a fixing mechanism for a submarine cable, which comprises two groups of cable fixing clamps, positioning holes are arranged at two ends of the two groups of cable fixing clamps, bolts connected with nuts are sleeved inside the positioning holes, cable positioning grooves for limiting the submarine cable are arranged on opposite sides of the two groups of cable fixing clamps, and the two groups of cable fixing clamps are fixed on the cable positioning grooves. Wherein a screw hole is formed in the cable positioning groove of one group of cable fixing clamps, a screw rod used for extruding the submarine cable is in threaded connection with the interior of the screw hole, a rotating block for an operator to hold is arranged at one end of the screw rod, the cable is placed in the cable positioning groove according to the specification of the submarine cable to be fixed, the distance between the two groups of cable fixing clamps is adjusted, and the submarine cable is fixed. According t