The invention relates to a non-beam head sheave pumping unit. The non-beam pumping unit is composed of a tower frame, a head sheave, a bearing block, an involute roller, a tensioning device, a drive steel wire rope, a bearing steel wire rope, a reversing speed reducer and a motor. According to the pumping unit, a crank, a connecting rod and other components of a common beam pumping unit are omitted, and the non-beam pumping unit has the beneficial effects of being long in stroke, low in manufacturing cost and energy consumption, good in reliability, convenient to maintain and adjust, and the like.


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    Title :

    Non-beam pumping unit


    Contributors:
    WANG YI (author)

    Publication date :

    2015-11-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66D Haspeln , CAPSTANS / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren



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