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 an arm cylinder (8) driven by hydraulic oil discharged from a main pump (14) to move an arm (5); a control valve (176B) disposed in a center bypass pipeline (42R); a control valve (177) disposed in a parallel pipeline (42R); and a controller (30) for controlling the movement of the control valve (177). The control valve (176B) and the control valve (177) are formed in a valve block (17B) of control valves (17), and the control valve (177) is disposed upstream of the control valve (176B).
An excavator according to an embodiment of the present invention includes an arm cylinder (8) driven by hydraulic oil discharged from a main pump (14) to move an arm (5); a control valve (176B) disposed in a center bypass pipeline (42R); a control valve (177) disposed in a parallel pipeline (42R); and a controller (30) for controlling the movement of the control valve (177). The control valve (176B) and the control valve (177) are formed in a valve block (17B) of control valves (17), and the control valve (177) is disposed upstream of the control valve (176B).
SHOVEL AND CONTROL VALVE FOR SHOVEL
SCHAUFEL UND STEUERUNGSVENTIL FÜR SCHAUFEL
PELLETEUSE ET SOUPAPE DE COMMANDE POUR PELLETEUSE
MISAKI YOUJI (author)
2024-02-28
Patent
Electronic Resource
English
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