Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR
An excavator includes a lower travelling body; an upper turning body mounted on the lower travelling body; an engine installed in the upper turning body; a hydraulic pump connected to the engine; a hydraulic actuator driven by hydraulic oil discharged by the hydraulic pump to move a work element; a first control valve configured to control a flow rate of the hydraulic oil flowing from the hydraulic pump to the hydraulic actuator; a second control valve configured to control a flow rate of the hydraulic oil flowing from the hydraulic actuator to a hydraulic oil tank; and a control device configured to control opening and closing of the second control valve.
EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR
An excavator includes a lower travelling body; an upper turning body mounted on the lower travelling body; an engine installed in the upper turning body; a hydraulic pump connected to the engine; a hydraulic actuator driven by hydraulic oil discharged by the hydraulic pump to move a work element; a first control valve configured to control a flow rate of the hydraulic oil flowing from the hydraulic pump to the hydraulic actuator; a second control valve configured to control a flow rate of the hydraulic oil flowing from the hydraulic actuator to a hydraulic oil tank; and a control device configured to control opening and closing of the second control valve.
EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR
MISAKI YOUJI (Autor:in)
24.01.2019
Patent
Elektronische Ressource
Englisch