Fastening device for mounting main cable of suspension bridge

The utility model discloses a fastening device for suspension bridge main cable installation, belongs to the field of suspension bridge main cable installation construction, and solves the problem that an existing fastening device is inconvenient to use. The device comprises a fixed plate and a movable plate, a first screw rod is vertically fixed to one side of the top of the fixed plate, sliding grooves are formed in the front side and the rear side of the first screw rod, a first inserting groove is formed in the top of the movable plate, sliding rods are arranged on the two sides of the inner wall of the first inserting groove, and the sliding rods are movably inserted into the sliding grooves; the first screw rod on one side of the movable plate is in threaded connection with a limiting nut; a second inserting groove is formed in the bottom of the movable plate, a threaded seat is rotationally installed in the second inserting groove through a rotating shaft, a second screw rod is in threaded connection w