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IMPROVED HYDRAULIC ARRANGEMENT FOR A WORK MACHINE, CONTROL METHOD THEREOF, AND WORK MACHINE COMPRISING SUCH HYDRAULIC ARRANGEMENT
A hydraulic arrangement (14, 214) for a work machine (1) comprising: a body (2) and a hydraulically actuated work implement (6); said hydraulic arrangement (14) comprises: pumping means (17) to suck hydraulic fluid from a tank (18) and to provide at outlet a pressurized flow of hydraulic fluid; one actuator (7) to operate the hydraulically actuated work implement (6); a hydraulic circuit (20) to put the source of hydraulic fluid (17) in communication with the hydraulic actuator (7); and a control valve arrangement (22) to selectively put the hydraulic circuit (20) in fluid communication with the hydraulic actuator (7); the hydraulic circuit (20) comprises: a first hydraulic line (21a) connecting the pumping means (17) with the actuator (7); a second hydraulic line (21c) connecting the tank (18) with the actuator (7); one hydraulic accumulator (26, 28) fluidly connected to the first hydraulic line (21a);the hydraulic accumulator (26, 28) comprises a first chamber (31a) connected to the first hydraulic line (21a) and a second preload chamber (31b), opposite to the first chamber (31a), connected to pumping means (17).
IMPROVED HYDRAULIC ARRANGEMENT FOR A WORK MACHINE, CONTROL METHOD THEREOF, AND WORK MACHINE COMPRISING SUCH HYDRAULIC ARRANGEMENT
A hydraulic arrangement (14, 214) for a work machine (1) comprising: a body (2) and a hydraulically actuated work implement (6); said hydraulic arrangement (14) comprises: pumping means (17) to suck hydraulic fluid from a tank (18) and to provide at outlet a pressurized flow of hydraulic fluid; one actuator (7) to operate the hydraulically actuated work implement (6); a hydraulic circuit (20) to put the source of hydraulic fluid (17) in communication with the hydraulic actuator (7); and a control valve arrangement (22) to selectively put the hydraulic circuit (20) in fluid communication with the hydraulic actuator (7); the hydraulic circuit (20) comprises: a first hydraulic line (21a) connecting the pumping means (17) with the actuator (7); a second hydraulic line (21c) connecting the tank (18) with the actuator (7); one hydraulic accumulator (26, 28) fluidly connected to the first hydraulic line (21a);the hydraulic accumulator (26, 28) comprises a first chamber (31a) connected to the first hydraulic line (21a) and a second preload chamber (31b), opposite to the first chamber (31a), connected to pumping means (17).
IMPROVED HYDRAULIC ARRANGEMENT FOR A WORK MACHINE, CONTROL METHOD THEREOF, AND WORK MACHINE COMPRISING SUCH HYDRAULIC ARRANGEMENT
VERBESSERTE HYDRAULISCHE ANORDNUNG FÜR EINE ARBEITSMASCHINE, STEUERUNGSVERFAHREN DAFÜR UND ARBEITSMASCHINE MIT SOLCH EINER HYDRAULISCHEN ANORDNUNG
AGENCEMENT HYDRAULIQUE AMÉLIORÉ POUR UNE MACHINE DE TRAVAIL, SON PROCÉDÉ DE COMMANDE ET MACHINE DE TRAVAIL COMPRENANT UN TEL AGENCEMENT HYDRAULIQUE
CHIOCCOLA FRANCESCO (author)
2025-01-15
Patent
Electronic Resource
English
IPC:
E02F
Baggern
,
DREDGING
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