The invention discloses a workover rig wellhead centering device and a workover rig elevator wellhead centering method.The workover rig wellhead centering device is characterized in that a supporting leg inner shell is arranged in a supporting leg outer shell, a supporting leg oil cylinder is fixed in the inner shell, an upper piston rod of the supporting leg oil cylinder is hinged to the upper end of the supporting leg outer shell, and the lower end of a supporting leg of the supporting leg oil cylinder is connected to the upper end of a translation sliding column; the periphery of the middle section of the translation sliding column is sleeved with a shackle, and the bottom of the translation sliding column is supported in a sliding groove of the translation sliding seat; a shackle hinge lug on the outer wall of the shackle is hinged to the end of a piston rod of a translation oil cylinder, and a cylinder body of the translation oil cylinder is hinged to a translation oil cylinder hinge seat at one end of the translation sliding seat. The translation sliding seats are rotated to enable the direction of the workover rig to be translated to be aligned with a wellhead, then the piston rods of the translation oil cylinders contract, the supporting legs are put down, a foundation is compacted, the piston rods of the translation oil cylinders stretch out synchronously, and the translation sliding columns are pushed to bear the workover rig chassis to slide towards the wellhead until centering is achieved. According to the invention, the elevator and the center of a wellhead can be quickly and accurately centered.

    本发明公开了一种修井机井口对中装置及修井机吊卡井口对中的方法,支腿外壳体中设有支腿内壳体,内壳体中固定有支腿油缸,支腿油缸的上活塞杆与支腿外壳体的上端相铰接,支腿油缸的支腿下端连接在平移滑柱的上端,平移滑柱的中段外周套有卸扣,平移滑柱的底部支撑在平移滑座的滑槽中;卸扣外壁的卸扣铰接耳与平移油缸的活塞杆端部相铰接,平移油缸的缸体铰接在平移滑座一端的平移油缸铰座上。先旋转各平移滑座的朝向,使修井机需要平移的方向对准井口,然后平移油缸的活塞杆收缩,放下各支腿并压实地基,各平移油缸的活塞杆同步伸出,推动平移滑柱承载着修井机底盘向井口方向滑动,直至对中。本发明能够使吊卡与井口中心可以实现快速精确对中。


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    Titel :

    Well mouth centering device of workover rig and well mouth centering method of elevator of workover rig


    Weitere Titelangaben:

    修井机井口对中装置及修井机吊卡井口对中的方法


    Beteiligte:
    ZHU HONG (Autor:in) / LEI YONGMING (Autor:in) / CHEN YU (Autor:in) / LYU WEIXIANG (Autor:in) / SUN JIANCHAO (Autor:in) / SHI LILI (Autor:in)

    Erscheinungsdatum :

    2022-07-08


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren




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