| 摘要 |
FIELD: machine building.SUBSTANCE: invention relates to excavating equipment. Dragline excavator working tool comprises boom with head units, ladle, winch with rope system. Boom is equipped with two symmetrically arranged relative to ladle grippers arranged to move along perpendicular axis of excavator boom, interacting with additional head unit and winch by means of rope for fixation of ladle, due to engagement with support rollers. Support rollers are arranged on outer surface of ladle.EFFECT: higher efficiency is achieved due to elimination from working cycle of rotation of excavator for unloading ladle.3 cl, 4 dwg |
