A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
PUMP CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
Disclosed is a pump control operating system of a construction machine. The present invention is a construction machine, such as an excavator, which comprises a plurality of hydraulically driven actuators, in which some of the actuators are provided in a one-to-one pump system (A) where hydraulic pumps are connected to the respective actuators such that a working fluid is supplied from the respective pumps, and the remaining actuators are provided in an auxiliary control valve system (B) where the working fluid is distributed by an auxiliary control valve (120) connected to one or more pumps. When an amount of the working fluid of an actuator associated with the auxiliary control valve (120) is insufficient, the actuator associated with the auxiliary control valve (120) is connected to a pump of the one-to-one pump system (A) to share the pump of the one-to-one pump system (A). Accordingly, an insufficient amount of the working oil of the auxiliary control valve can be supplemented by a pump of the one-to-one pump system to achieve a smooth operation of the actuator operated by the auxiliary control valve.
PUMP CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
Disclosed is a pump control operating system of a construction machine. The present invention is a construction machine, such as an excavator, which comprises a plurality of hydraulically driven actuators, in which some of the actuators are provided in a one-to-one pump system (A) where hydraulic pumps are connected to the respective actuators such that a working fluid is supplied from the respective pumps, and the remaining actuators are provided in an auxiliary control valve system (B) where the working fluid is distributed by an auxiliary control valve (120) connected to one or more pumps. When an amount of the working fluid of an actuator associated with the auxiliary control valve (120) is insufficient, the actuator associated with the auxiliary control valve (120) is connected to a pump of the one-to-one pump system (A) to share the pump of the one-to-one pump system (A). Accordingly, an insufficient amount of the working oil of the auxiliary control valve can be supplemented by a pump of the one-to-one pump system to achieve a smooth operation of the actuator operated by the auxiliary control valve.
PUMP CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
PUMPENSTEUERUNGSSYSTEM FÜR EINE BAUMASCHINE
SYSTÈME DE COMMANDE DE POMPE POUR ENGIN DE CHANTIER
JANG DAL SIK (author)
2017-03-15
Patent
Electronic Resource
English
| European Patent Office | 2019
Hydraulic pump control system for construction machinery
| European Patent Office | 2015
HYDRAULIC PUMP CONTROL SYSTEM FOR CONSTRUCTION MACHINERY
| European Patent Office | 2015
Hydraulic pump control system for construction machinery
| European Patent Office | 2016