Імпульсний гідропривід

Abstract

The invention relates to the field of machine-building. The hydro-drive has pressure and discharge hydro-lines, pump, safety valve, executive cylinder, brake and boost hydro-accumulators. To hydro-drive pressure tank is included, power dozing unit and controlled valve, at that the pressure tank is arranged as gas-hydraulic low pressure accumulator, power dozing unit is cylinder with piston, and pressure tank is connected to brake and boost hydro-accumulators through back valves, boost accumulator is connected to power dozing unit, and boost cavity of the working cylinder is connected to discharge hydro-line through controlled valve.