SCRAPER WITH WEIGHT TRANSFER DEVICE Russian patent published in 2002 - IPC

FIELD: earth moving machinery. SUBSTANCE: invention relates to traction machines operating with trailed earth-moving equipment. Proposed scraper with weight transfer device has prime mover, trailed scraper with draw-bar with weight transfer hydraulic cylinder installed between prime mover and scraper on ball supports. Draw-bar is connected with prime mover for turning in horizontal and longitudinal vertical planes. Draw-bar is connected to prime mover frame through longitudinal joint by means of cross horizontal joint. Supporting hydraulic cylinders hinge-coupled with load-bearing brackets rigidly secured of frame of prime mover are installed on draw-bar by means of ball supports. EFFECT: improved reliability of scraper owing to provision of equal vertical load on prime mover axles. 5 dwg