Load reversal protection loop of closed system

The utility model relates to a closed system load reverse rotation protection loop which comprises a main oil pump, a motor and an oil tank, the main oil pump and the motor are connected end to end through an oil way to form a closed system, and the oil tank is connected with the oil way between the...

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Bibliographische Detailangaben
Hauptverfasser:	YU CHAO, WEI HUACHAO, WANG XIAOHAN, JIN CHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The utility model relates to a closed system load reverse rotation protection loop which comprises a main oil pump, a motor and an oil tank, the main oil pump and the motor are connected end to end through an oil way to form a closed system, and the oil tank is connected with the oil way between the main oil pump and the motor. The communication oil supplementing valve is connected with the motor in parallel through an oil way; a valve element of the communicating oil supplementing valve has a first state and a second state, and when the valve element is in the first state, hydraulic oil can pass through the communicating oil supplementing valve; when the valve element is in the second state, the communicating oil supplementing valve blocks the hydraulic oil; an auxiliary oil pump is arranged on the oil tank and connected with an oil way between the main oil pump and the motor and a communicating oil supplementing valve. An oil way between the main oil pump and the motor is designed to be a closed system, the