The marine propeller with the adjustable pitch angle comprises a propeller hub, an adjusting key and blades, a propeller hub key groove is formed in the propeller hub, each blade comprises a blade base and a blade body, and a blade key groove is formed in the bottom of each blade base; the adjusting key comprises a key seat and a key body, the key body is fixed above the key seat, the shape of the propeller hub key groove is the same as that of the key seat, the shape of the propeller blade key groove is the same as that of the key body, the adjusting key is used for limiting the mounting angle of the propeller blade, and the propeller blade is mounted on the propeller hub through a fastener. According to the marine propeller with the adjustable pitch angle, the load of the propeller can be adjusted by adjusting the pitch angle of the propeller.

    本发明公开了一种螺距角可调的船用螺旋桨,包括桨毂、调节键和桨叶,所述桨毂上设有桨毂键槽,所述桨叶包括叶片底座和叶片主体,所述叶片底座的底部设有桨叶键槽;所述调节键包括键座和键体,所述键体固定于所述键座上方,所述桨毂键槽的形状和所述键座的形状相同,所述桨叶键槽的形状和所述键体的形状相同,所述调节键用于限定所述桨叶的安装角度,所述桨叶通过紧固件安装在所述桨毂上。本发明所述的一种螺距角可调的船用螺旋桨可通过调整螺旋桨的螺距角,调整螺旋桨负荷。


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    Title :

    Marine propeller with adjustable pitch angle


    Additional title:

    一种螺距角可调的船用螺旋桨


    Contributors:
    LIU WENSHENG (author) / ZHOU ZHIPENG (author) / ZHANG YONGHAO (author) / XIONG DAOSEN (author) / LIN NANSHENG (author)

    Publication date :

    2022-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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