Safety assessment device and safety assessment method for drag rope of crane

The invention provides a safety evaluation device and a safety evaluation method of a crane dragging rope, the safety evaluation device of the crane dragging rope comprises a base and two rope winding seats fixedly arranged on the top surface of the base, grooves are formed in the front and rear sides and one sides, far away from each other, of the two rope winding seats, and the grooves in the three sides are communicated to form a U-shaped rope winding groove; a plurality of fixing grooves perpendicular to the grooves are formed in the grooves in the front side and the rear side. The guide mechanisms are fixedly arranged on the base and located on the front side and the rear side of the rope winding seat; the plurality of fixing plates are movably connected with the guide mechanism and are arranged corresponding to the fixing grooves; the first driving mechanism is in transmission connection with the fixing plate; the second driving mechanism is fixedly arranged between the two rope winding seats, the secon