FIELD: pipelines.
SUBSTANCE: invention relates to connecting device for small-diameter pipelines, containing connection connector installed on equipment of underwater production system; connecting bushing configured to be connected to the connector; annular collet comprising a base and longitudinal sectors, wherein the base comprises an inner protrusion configured to be located in the annular recess on the outer surface of the end portion of the connecting sleeve, and the longitudinal sectors comprise inner lugs configured to be arranged in the annular recess on the outer surface of the end portion of the connector, so as to provide connection of the end parts of the connecting bushing and the connector; hydraulic drive; housing, which is a cylindrical element, enclosing end parts of connecting sleeve and connecting connector to form a cavity for arrangement of hydraulic drive and annular collet; handrail for capturing a remote unmanned underwater vehicle; hydraulic plug connector and first and second control lines, wherein the hydraulic plug connector is configured to transfer hydraulic fluid from the uncontrolled unmanned underwater vehicle into the control line.
EFFECT: technical result is reduction of overall dimensions of connecting device for small diameter pipelines with simultaneous remote control of device operation by means of remote unmanned underwater vehicle, as well as accurate and fast positioning of the device in the connector during installation also using remote unmanned underwater vehicle.
1 cl, 3 dwg
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