A control system for construction machinery includes a first hydraulic pump (100), first and second actuators (20) connected to the first hydraulic pump through first and second hydraulic lines (220,222) respectively and operable by a working oil discharged from the first hydraulic pump, first and second control valves (320,322) installed in the first and second hydraulic lines respectively and configured to control operations of the first and second actuators, a first spool displacement adjusting valve (420) supplying a pilot signal pressure to a spool of the first control valve (320) in proportion to an inputted control signal to control a displacement amount of the spool of the first control valve, and a controller (500) configured to output the control signal to the first spool displacement adjusting valve (420) corresponding to a manipulation signal (600) of an operator, and configured to adjust a spool displacement amount of the first control valve (320) according to an amount of the working oil to be supplied to the first actuator (20) when the first actuator performs a single or multiple operation by self-load.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    CONTROL SYSTEM FOR CONSTRUCTION MACHINERY AND CONTROL METHOD FOR CONSTRUCTION MACHINERY


    Weitere Titelangaben:

    STEUERUNGSSYSTEM FÜR BAUMASCHINEN UND STEUERUNGSVERFAHREN FÜR BAUMASCHINEN
    SYSTÈME DE COMMANDE POUR MACHINES DE CONSTRUCTION ET PROCÉDÉ DE COMMANDE POUR MACHINES DE CONSTRUCTION


    Beteiligte:
    KIM KI-YONG (Autor:in) / AHN HYEON-SIK (Autor:in) / JUNG WOO-YONG (Autor:in) / KIM CHANG-MOOK (Autor:in)

    Erscheinungsdatum :

    2021-12-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    E02F Baggern , DREDGING / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL



    CONSTRUCTION MACHINERY CONTROL METHOD, AND CONSTRUCTION MACHINERY CONTROL DEVICE

    HUANG GUOYONG / YU LIHU / SU ZHU | Europäisches Patentamt | 2021

    Freier Zugriff

    Control system for construction machinery and control method for construction machinery

    KIM KI-YONG / AHN HYEON-SIK / JUNG WOO-YONG et al. | Europäisches Patentamt | 2019

    Freier Zugriff

    CONTORL SYSTEM FOR CONSTRUCTION MACHINERY AND CONTROL METHOD FOR CONSTRUCTION MACHINERY

    KIM KI YONG / AHN HYEON SIK / JUNG WOO YONG et al. | Europäisches Patentamt | 2018

    Freier Zugriff

    TRAVEL CONTORL SYSTEM FOR CONSTRUCTION MACHINERY AND TRAVEL CONTROL METHOD FOR CONSTRUCTION MACHINERY

    KIM KI YONG / KIM CHANG MOOK / SEO YOUNG MIN et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    MANAGEMENT SYSTEM OF CONSTRUCTION MACHINERY, CONSTRUCTION MACHINERY

    SANO YUSUKE / HONDA KEIJI / ONODERA SUSUMU | Europäisches Patentamt | 2023

    Freier Zugriff