A pull-out device comprises a pull-out device with a crane and a pull-out device without the crane, the pull-out device with the crane is composed of a pull-out chain, a correction line, a pull-out head and the crane, the pull-out head comprises a crosspiece and a pull-out ring, and the crane is a conventional crane. The device has the beneficial effect that the pump body in the well can be pulled out to the maximum extent.

    一种拉出装置,包括有起重机的拉出装置、没有起重机的拉出装置,有起重机的拉出装置由拉出链、矫正线、拉出头、起重机组成,拉出头包括横档和拉出环,起重机是常规的起重机。本发明的有益效果是,可以最大程度拉出井中泵体。


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    Title :

    Pull-out device


    Additional title:

    拉出装置


    Contributors:
    LI HONG (author)

    Publication date :

    2022-11-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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