FIELD: oil-and-gas production.
SUBSTANCE: invention related to oil-and-gas production, particularly to design of devices for piping elements fastening, installed on automatic drilling tongues, meant for screwing/loosening pipes thread connections. Device for piping elements fastening contains drive rotor gear with connector, which meshed to drive gear and additional rotor gear, installed in alignment with the first one. At that on rotor gear fixed coil with rope wrapped around, equipped with backward string mechanism, and guiding rollers, made for rope movement direction guiding, and on the additional rotor gear installed carrier, needed for rope end fixing.
EFFECT: device allows to work with all the pipe types, used in oil-and-gas production, also allows without special operations switch from one pipe type to another, which allows to fasten and automatise boring rig descending - lifting up operations.
6 dwg
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