Elbow or bent tube manipulator, especially for ultrasonic testing in nuclear reactor installation

US4131018A · kind A · utility

Assignee

• Kraftwerk Union Aktiengesellschaft · DE

Inventors

• Otto Muller · Konstanz, DE
• Georg Gugel · Kalchreuth, DE
• Hans Kastl · Neustadt, DE

Key dates

• Filing date: Sep 7, 1977
• Grant date: Dec 26, 1978
• Expiry date: Sep 7, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E30/30
• WIPO field: Measurement
• WIPO sector: Instruments

Abstract

Manipulator assembly for testing the material of a pipe elbow from the inside thereof, the pipe elbow being secured to a pipe union extending from a pressure vessel openable for receiving therein a vertically extending manipulator mast having an arm carrying a manipulator, the manipulator being movable by the arm in vertical direction, rotatably about the axis of the mast and in direction of the longitudinal axis of the arm and transversely thereto, the manipulator includes a multimember vehicle drivable in direction of the pipe-union and pipe-elbow axis, the members of the vehicle being articulatingly connected to one another and having extensible and retractable support legs for supporting the respective vehicular members centered relative to the inner periphery of the pipe elbow, the support legs having roller members at the end thereof for transporting the vehicular members in axial direction of the pipe union and the pipe elbow, the vehicular member located at the head of the multimember vehicle being a test system carrier and being drivable with the vehicle in axial direction of the pipe union and the pipe elbow, the test system carrier having a test system fastened to at lea…