The invention discloses an electric steering mechanism. The electric steering mechanism comprises a motor, a linear displacement transfer device and two position feedback units. Each position feedback unit comprises a position sensor in transmission connection with a motor rotor, and a motor is directly connected with the linear displacement transfer device without adoption of a speed reducer to drive the linear displacement transfer device to move. When the motor is in loss of power, a manual part can be inserted to the rear portion of the motor to directly drive the motor rotor. Each position feedback unit is designed in a dual-redundancy feedback structure, and a screw nut, a roller screw or a planetary roller screw serve as the linear displacement transfer device. The electric steering mechanism further comprises a guide mechanism, and a roller linear guide rail with a vibration damping slider serves as the guide mechanism. The electric steering mechanism has the advantages of high bearing capacity, high reliability, quietness, miniaturization, convenience in maintenance and the like, and a goal of complete electrification of ships can be fulfilled.


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    Title :

    Electric steering mechanism


    Contributors:
    ZHU CHENGLIN (author) / MA DESEN (author) / ZHAO GUOPING (author) / WEI JUAN (author) / WANG SHUIMING (author)

    Publication date :

    2015-06-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING



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