SYSTEM FÜR TAUCHERLOSE UNTERWASSERMESSTECHNIK UND STEIFE ROHRVERBINDUNG

Device for subsea metrology of distance and relative orientation of a first termination (10) with a local reference system (xr, yr, zr) and which by means of a jumper spool piece (5) is going to be connected to a separate second termination (20) having a local reference system (xB, yB, zB), characte...

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Bibliographische Detailangaben
Hauptverfasser:	WARD, NIC, WALKER, ANDY, SPARREVIK, PER
Format:	Patent
Sprache:	ger
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MECHANICAL ENGINEERING PHYSICS PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TESTING THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	Device for subsea metrology of distance and relative orientation of a first termination (10) with a local reference system (xr, yr, zr) and which by means of a jumper spool piece (5) is going to be connected to a separate second termination (20) having a local reference system (xB, yB, zB), characterized by a base metrology unit (2) arranged for being carried by an ROV (4), and arranged for aligned arrangement with the second or the first termination's (20, 10) reference system, and comprising the following features: a wire (3) with an extractable first end (31) being arranged for being attached to a receptacle device (7, 7') arranged on the termination (10, 20) for receiving the wire's (3) first end (31) or a metrology unit and with a wire tensioner device (32) arranged for tensioning the wire (3) between the base metrology unit (2) and the receptacle device (7, 7'); a wire length sensor (34) arranged for measuring the length (DrB) of the extended taut wire (3); a relative azimuth sensing device (92) arranged to measure [and store] the relative azimuth (thetaB, thetar) value of the taut wire (3) with respect to the base metrology unit's (2) mainly horizontal axes (xB, yB); and a submerged-depth sensor (52) arranged for measuring the submerged depth (dB) of the base metrology unit (2).