Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
HYDRAULIC ACTUATOR CONTROL DEVICE FOR DUMP TRUCK
An engine (12) drives a variable capacity-type hydraulic pump (16), discharged hydraulic oil is selectively supplied to a cooling fan (19) and a hoist cylinder (11) in accordance with switching of a selection valve (17), thereby controlling the same on the basis of each target value. A pump discharge pressure (Pp) of the hydraulic oil discharged from the hydraulic pump (16) and a motor supply pressure (Pm) of the hydraulic oil supplied to a hydraulic motor (18) via the selection valve (17) are detected by sensors (27, 28) and are compared with pressure determination values stored in advance as a pump discharge pressure (Pp) and an actuator supply pressure (Pm) generated when the target value is achieved. Presence/absence of abnormality in the hydraulic actuator control device (15) is determined on the basis of a result of the comparison, and when abnormality is determined to have occurred, control is performed to minimize the capacity of the hydraulic pump (16).
HYDRAULIC ACTUATOR CONTROL DEVICE FOR DUMP TRUCK
An engine (12) drives a variable capacity-type hydraulic pump (16), discharged hydraulic oil is selectively supplied to a cooling fan (19) and a hoist cylinder (11) in accordance with switching of a selection valve (17), thereby controlling the same on the basis of each target value. A pump discharge pressure (Pp) of the hydraulic oil discharged from the hydraulic pump (16) and a motor supply pressure (Pm) of the hydraulic oil supplied to a hydraulic motor (18) via the selection valve (17) are detected by sensors (27, 28) and are compared with pressure determination values stored in advance as a pump discharge pressure (Pp) and an actuator supply pressure (Pm) generated when the target value is achieved. Presence/absence of abnormality in the hydraulic actuator control device (15) is determined on the basis of a result of the comparison, and when abnormality is determined to have occurred, control is performed to minimize the capacity of the hydraulic pump (16).
HYDRAULIC ACTUATOR CONTROL DEVICE FOR DUMP TRUCK
STEUERUNGSVORRICHTUNG EINES HYDRAULISCHEN AKTUATORS FÜR MULDENKIPPER
DISPOSITIF DE COMMANDE D'ACTIONNEUR HYDRAULIQUE POUR CAMION-BENNE
TANAKA TAKAAKI (Autor:in) / ISHIHARA KAZUNORI (Autor:in) / IKEDA JUN (Autor:in) / SHIMIZU JURI (Autor:in)
20.03.2024
Patent
Elektronische Ressource
Englisch
IPC:
F04B
Verdrängerkraft- und Verdrängerarbeitsmaschinen für Flüssigkeiten
,
POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS
/
B60P
Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände
,
VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
/
E02F
Baggern
,
DREDGING
/
F01P
Kühlung von Kraft- und Arbeitsmaschinen oder Kraftmaschinen allgemein
,
COOLING OF MACHINES OR ENGINES IN GENERAL