PRESS HYDRAULIC DRIVE Russian patent published in 2002 - IPC

FIELD: forging and pressing equipment, applicable in high-speed presses of continuously acting units, for example, for molding of tile. SUBSTANCE: the hydraulic drive has a hydro-station, hydraulic control valve and a hydraulic cylinder of the press. The piston cavity of the hydraulic cylinder through a check valve is connected to the first outlet of the hydraulic control valve, and through a pilot controlled check valve - to a hydraulic accumulator and a safety valve. The rod cavity of the hydraulic cylinder is connected to the second outlet of the hydraulic control valve, and through a pilot controlled check valve - to the hydraulic accumulator and the safety valve. EFFECT: enhanced speed of the press without any increase of the level of power consumption. 1 dwg _