Power transmission systems 71A, 71B, 71C connected to connectors 59A, 59B, 59C are all caused to join with a common system 73 at a junction before being connected to a control unit 35. The power transmission systems 71A, 71B, and 71C include switches 74Aa, 74Ab, 74Ba, 74Bb, 74Ca, 74Cb. In relay circuits 75A, 75B, 75C, when a plug for an external power supply is connected to corresponding one of the connectors 59A, 59B, 59C, connection of the corresponding connector connection detecting terminals and plug connection detecting terminals energizes a coil of the corresponding control relay (either 76A, 76B, or 76C), then after switching contact points of the corresponding control relay to a closed state, energizes coils of the corresponding switches via the contact points, and switches contact points of the corresponding switches to a closed state.


    Access

    Download


    Export, share and cite



    Title :

    Electric construction machine


    Contributors:

    Publication date :

    2018-02-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / E02F Baggern , DREDGING



    Electric construction machine

    NOMURA TAKUYA / YUNOUE MASAYUKI / TAKAGI WATARU et al. | European Patent Office | 2021

    Free access

    ELECTRIC CONSTRUCTION MACHINE

    MORI KAZUSHIGE / INOUE RYOYA / KAWAGUCHI HIROSHI et al. | European Patent Office | 2025

    Free access

    ELECTRIC CONSTRUCTION MACHINE

    ISHII TAKESHI / TAKAHASHI KIWAMU / MAEHARA TAIHEI et al. | European Patent Office | 2024

    Free access

    ELECTRIC CONSTRUCTION MACHINE

    NISHIKORI HIDE / KANEDA KENSUKE | European Patent Office | 2021

    Free access

    ELECTRIC CONSTRUCTION MACHINE

    KUWABARA TAKUMA / KIHARA SEIICHI / FURUKAWA YUTA | European Patent Office | 2024

    Free access