Steel wire rope tightening device

The utility model discloses a steel wire rope tightening device which comprises a fixing piece, and inner threaded holes are formed in the two ends of the fixing piece. The two adjusting rods are connected to the two ends of the fixing piece correspondingly, the first ends of the adjusting rods are connecting parts used for being connected with a steel wire rope, the second ends of the adjusting rods extend into the fixing piece and are provided with limiting pieces, screw rod parts are arranged between the connecting parts and the limiting pieces, and the screw rod parts are in threaded fit with the inner threaded holes. The screw portions of the adjusting rods at the two ends of the fixing piece are opposite in rotation direction. When the steel wire rope needs to be tightened, the fixing piece is rotated, so that the two adjusting rods are close to each other, the steel wire rope is driven to be tightened, and the tightening stroke of the steel wire rope reaches a proper and effective range. A limiting pie