EXCAVATOR BUCKET Russian patent published in 2019 - IPC E02F3/40 E02F9/22 

FIELD: mining.

SUBSTANCE: invention relates to mining equipment and can be used in excavators. Excavating bucket comprises front, rear and side walls, hinged bottom pivotally connected with rear wall, and opening mechanism of flap bottom in the form of hydraulic cylinders, piston cavities of which are communicated via hydraulic throttle with hydraulic accumulator, including controlled hydraulic valve, reducing hydraulic valve and return hydraulic valve, wherein hydraulic line connecting piston cavities of hydraulic cylinders with hydraulic accumulator is equipped with controlled hydraulic valve having control element with load and made with possibility of opening only at horizontal position of ladle bottom, wherein hydraulic line between controlled hydraulic valve and hydraulic accumulator are arranged in parallel with controlled hydroelectric power plant and reverse hydraulic valve, and hydraulic accumulator is connected by inlet with reverse hydraulic valve and reduction hydraulic valve.

EFFECT: technical result consists in improvement of productivity, reliability and safety when performing works excavator.

1 cl, 1 dwg