Traction steel wire rope breaking quick brake device for power transmission line construction

The utility model discloses a traction steel wire rope breakage quick brake device for power transmission line construction. The device comprises a shell, a guide wheel, a dynamic friction plate, a static friction plate, a spring and a drag hook, guide wheels are mounted at two ends of the bottom of the shell; the static friction plate is fixed between the guide wheels at two corresponding ends ofthe bottom of the shell; the upper end of the dynamic friction plate is hinged above the corresponding static friction plate on the shell through a pin shaft; a gap between the lower end of the dynamic friction plate and the upper side of the static friction plate is smaller than the outer diameter of the traction steel wire rope, the drag hooks are hinged to the two ends of the shell through pinshafts and correspond to the upper portion of the dynamic friction plate, and the two ends of the spring are connected to the dynamic friction plate and pin shafts, the traction steel wire rope sequentially penetrates through