Adjustable pre-deformation device of steel wire rope

The utility model relates to an adjustable pre-deformation device of a steel wire rope. The adjustable pre-deformation device of the steel wire rope comprises a connection base; the top of the connection base is provided with a core shaft; the upper section and the middle section of the core shaft are respectively provided with threads; the thread pitches of the upper section thread and the middle section thread are different; a big plate, a middle plate and a small plate are successively sleeved outside the core shaft from bottom to top, wherein the big plate is fixed on the connection base, the middle plate and the small plate are respectively connected with the middle section thread and the upper section thread, and an adjusting plate is further installed between the big plate and the core shaft; the angle adjusting plate is sleeved on the core shaft, and fixed by a radial set screw installed on the big plate; the angle adjusting plate is connected with the middle plate in series by a pull pin; and the big plate is connected with the small plate by an external support plate. The adjustable pre-deformation device of the steel wire rope is simple in structure, convenient to operate, and capable of adjusting the bending deformation of the steel wire rope and greatly improving the quality of the steel wire rope product in the use of double-twisted spinning equipment of the steel wire rope.