SCRAPER WITH ELEVATOR LOADING Russian patent published in 2001 - IPC

FIELD: road-building machinery; scrapers. SUBSTANCE: proposed scraper has spatial frame installed on driven wheels, bucket with blade connected with frame by means of hinge joints at one side and by means of hydraulic cylinder, at other side, and elevator. Scraper is furnished additionally with hopper-accumulator installed over bucket is made to circular curve. Driven shaft of bucket elevator is installed inside bucket and is hinge-coupled with the latter by means of axle passing simultaneously through side walls of bucket and center of circular curve. Driving shaft is installed on upper part of frame over- hopper-accumulator. Scraper is furnished additionally with chain drive connecting driven wheels of scraper and driving shaft of bucket elevator by means of thrust shaft installed on rear end face of frame lower belt. EFFECT: improved efficiency of operation under any earth conditions owing to elimination of resistance to bucket filling, reduced specific power consumption for earth work. 1 dwg