A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
An excavator according to an embodiment of the present invention includes a lower traveling body (1), an upper turning body (3) mounted on the lower traveling body (1), an engine (11) installed in the upper turning body (3), a main pump (14) connected to the engine (11), an arm cylinder (8) driven by hydraulic oil discharged from the main pump (14) to move an arm (5), a control valve (176A) for controlling a flow rate of the hydraulic oil flowing from the main pump (14) to the arm cylinder (8), a control valve (177A) for controlling a flow rate of the hydraulic oil flowing from the arm cylinder (8) to the hydraulic oil tank, and a controller (30) for controlling opening and closing of the control valve (177A).
An excavator according to an embodiment of the present invention includes a lower traveling body (1), an upper turning body (3) mounted on the lower traveling body (1), an engine (11) installed in the upper turning body (3), a main pump (14) connected to the engine (11), an arm cylinder (8) driven by hydraulic oil discharged from the main pump (14) to move an arm (5), a control valve (176A) for controlling a flow rate of the hydraulic oil flowing from the main pump (14) to the arm cylinder (8), a control valve (177A) for controlling a flow rate of the hydraulic oil flowing from the arm cylinder (8) to the hydraulic oil tank, and a controller (30) for controlling opening and closing of the control valve (177A).
EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR
BAGGER UND STEUERVENTIL FÜR BAGGER
EXCAVATRICE ET VANNE DE COMMANDE POUR EXCAVATRICE
MISAKI YOUJI (author)
2019-07-17
Patent
Electronic Resource
English