SCRAP BUCKET Russian patent published in 2019 - IPC E02F3/64 E02F3/65 

FIELD: excavating equipment.

SUBSTANCE: invention relates to excavating equipment, namely, to scrapers. Scrap bucket comprises side and rear sliding walls, front gate, main bottom with cutting blade and additional lifting bottom with lifting mechanism in form of hydraulic cylinders with tie-rods in guides on side walls. Bucket is equipped with end walls of upper section of ladle, hydraulic accumulator, reduction hydraulic valve and adjustable hydro-lift. At that, traction rods of additional bottom are equipped with rollers and are pivotally connected with rods of hydraulic cylinders, piston cavities of which are communicated via hydraulic distributor and controlled hydro-turbine with hydraulic accumulator, connected to reduction hydraulic valve, which is configured to maintain charging pressure higher than required, for lifting additional bottom with soil.

EFFECT: technical result is higher efficiency and reduced power consumption.

4 cl, 2 dwg