WORKING EQUIPMENT OF ROAD MACHINE Russian patent published in 2020 - IPC E02F3/76 E02F9/20 

FIELD: machine building.

SUBSTANCE: invention relates to road machines, namely, to machines for cleaning roads from soil deposits and loading into a vehicle. Working equipment of road machine includes base machine, boom with bucket and their hydraulic drives, frame of working equipment with transverse bar, side skew and middle sections of dump. Working equipment is equipped with blade rotor with rotation drive, hydraulic accumulator, reduction hydraulic valve, four-position hydraulic distributor and additional hydraulic cylinders, hingedly connected with bucket, and rods with rear ends of levers, which are hingedly fixed on ladle and their front ends are pivotally connected to working equipment frame. Hydraulic cylinders are connected by hydraulic lines with four-position hydraulic distributor communicated with pressure and drain hydraulic lines and hydraulic accumulator, connected to pressure hydraulic line through reduction hydraulic valve, made with possibility to set pressure value of hydraulic accumulator charging, which provides specified value of pressing of working equipment to bearing surface, in one of slide valve positions. Blade rotor with drive is installed on working equipment frame behind middle section of dump and is equipped with metal wire bundles and obliquely installed blades with possibility of soil distribution along width and volume of bucket.

EFFECT: higher efficiency and reliability.

1 cl, 2 dwg