| 摘要 |
FIELD: control systems of road-building machines, river transport, flying vehicles, etc. SUBSTANCE: pressure hydraulic line of high-pressure pump is connected with working ports of plunger-type hydraulic distributor; suction hydraulic line of hinge-pressure pump is made in form of bore in cylinder block where capacity regulator is mounted; capacity regulator is provided with working ports made in form of trapezium whose larger bases are directed towards closing of ports; pressure hydraulic line of low-pressure pump is connected with control chamber of displacing device and with control chambers of plunger-type hydraulic distributor and nozzles by means of throttling orifices; suction hydraulic line of low-pressure pump is made in form of circular bore located on outer surface of cylinder block around zone of maximum heat release of hydraulic drive. EFFECT: enhanced reliability. 3 dwg
|
