The invention discloses a vehicle pointing device based on a differential gear train. The vehicle pointing device comprises a box body, wherein a wheel A shaft and a wheel B shaft inserted into the left and right sides in the box body are respectively arranged at the left and right sides in the box body; a first bevel gear is connected with the wheel A shaft; a second bevel gear is connected with the wheel B shaft; the first bevel gear and the second bevel gear are respectively engaged with a third bevel gear and a fourth bevel gear; the fourth bevel gear, a sixth bevel gear, a fifth bevel gear and the third bevel gear coats a center shaft from top to bottom in sequence, and are fixedly connected with the center shaft; the fifth bevel gear and the sixth bevel gear are both engaged with a planetary wheel; the planetary wheel is fixed on the center shaft; the center shaft extends into the box body through a long sleeve, and fits a first deep groove ball bearing; in the straight vehicle driving process, the center shaft is stationary, and a pointing mark is stationary; when a vehicle is turned, the planetary wheel drives the center shaft to rotate in a direction opposite to a vehicle body, a turning angle is equal to a turning angle of a small vehicle, and the mark pointing direction is still stationary to finally achieve the pointing purpose; and the vehicle pointing device has the characteristics of small error, stability and reliability.


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    Title :

    Vehicle pointing device based on differential gear train


    Contributors:
    CHEN WEI (author) / LYU ZHENGLIN (author) / XIA ZHISEN (author)

    Publication date :

    2015-07-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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