A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
EXCAVATOR, AND CONTROL VALVE FOR EXCAVATOR
A shovel, etc., that can suppress a decrease in the responsiveness of bleed-off control in the case of supplying hydraulic oil to multiple directional control valves in parallel through a center bypass oil passage is provided. Therefore, a hydraulic pump, multiple hydraulic actuators, a center bypass oil passage supplied with hydraulic oil discharged from the hydraulic pump, multiple directional control valves arranged in tandem in the center bypass oil passage and configured to supply the hydraulic actuators with the hydraulic oil from the center bypass oil passage, wherein at least a directional control valve other than the most downstream directional control valve opens the center bypass oil passage, and a bleed-off valve connected to part of the center bypass oil passage upstream of at least one of the directional control valves are included.
EXCAVATOR, AND CONTROL VALVE FOR EXCAVATOR
A shovel, etc., that can suppress a decrease in the responsiveness of bleed-off control in the case of supplying hydraulic oil to multiple directional control valves in parallel through a center bypass oil passage is provided. Therefore, a hydraulic pump, multiple hydraulic actuators, a center bypass oil passage supplied with hydraulic oil discharged from the hydraulic pump, multiple directional control valves arranged in tandem in the center bypass oil passage and configured to supply the hydraulic actuators with the hydraulic oil from the center bypass oil passage, wherein at least a directional control valve other than the most downstream directional control valve opens the center bypass oil passage, and a bleed-off valve connected to part of the center bypass oil passage upstream of at least one of the directional control valves are included.
EXCAVATOR, AND CONTROL VALVE FOR EXCAVATOR
BAGGER UND STEUERVENTIL FÜR BAGGER
EXCAVATRICE ET SOUPAPE DE COMMANDE POUR EXCAVATRICE
KUROKAWA TOMOKI (author)
2023-11-01
Patent
Electronic Resource
English