To provide an electrically-driven work machine that suppresses an action of connecting a power supply cable from an external power supply to a machine that is being driven and prevents arc discharge even when the power supply cable is connected.SOLUTION: An electrically-driven hydraulic excavator 1 comprising an electric motor 7 using a commercial power supply 5 and a battery 62 as a driving power source, and a hydraulic actuator using a hydraulic pump 113 driven by the electric motor 7 as a hydraulic source, has: a first power supply mode in which the electric motor 7 is driven while continuing to charge the battery 62 from the commercial power supply 5; and a second power supply mode in which the electric motor 7 is driven only by the battery 62. When a power supply cable 51 for supplying power to the commercial power supply 5 is connected to a power supply port and a rotation of the electric motor 7 is stopped, the second power supply mode is shifted to the first power supply mode.SELECTED DRAWING: Figure 4

    【課題】駆動中の本機に外部電源からの給電ケーブルを接続する行為を抑止し、仮に給電ケーブルを接続した場合にもアーク放電が起こることを防止できる電動式作業機械を提供する。【解決手段】商用電源5及びバッテリ62を駆動電源とする電動モータ7と、電動モータ7によって駆動される油圧ポンプ113を油圧源とする油圧アクチュエータとを備える電動式の油圧ショベル1であって、商用電源5からバッテリ62への充電を継続しながら電動モータ7を駆動させる第1電源モードと、バッテリ62のみで電動モータ7を駆動させる第2電源モードとを備え、商用電源5を給電するための給電ケーブル51が給電口に接続され、かつ電動モータ7の回転が停止されている場合に、第2電源モードから第1電源モードに移行する。【選択図】図4


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    Titel :

    ELECTRICALLY-DRIVEN WORK MACHINE


    Weitere Titelangaben:

    電動式作業機械


    Beteiligte:
    KANEDA KENSUKE (Autor:in) / TERASHIMA JUN (Autor:in)

    Erscheinungsdatum :

    31.10.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    E02F Baggern , DREDGING / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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