Machining tool for pipes

US4657450A · kind A · utility

Assignee

• Kraftwerk Union Aktiengesellschaft · DE

Inventors

• Siegfried Forner · Erlangen, DE
• Georg Gebald · Kirchehrenbach, DE

Key dates

• Filing date: Mar 18, 1986
• Grant date: Apr 14, 1987
• Expiry date: Mar 18, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T409/304424
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A manipulator head for the remotely controlled positioning and operation of a tool in the interior of a pipe includes: PA0 first support flanges having guiding elements and clamping devices; PA0 a tubular tool holder frame having second support flanges interconnecting the first support flanges and being rotatably supported thereby; PA0 a rotating tool including a milling cutter at an assembly opening in the tool holder for machining the inner wall surface of a pipe; PA0 a first guide rail attached to the inner wall surface of the tool holder, a first slide axially movable on the first guide rail, a first driving device coupled to the first slide for axially moving the tool; PA0 a second guide rail fastened to the first slide, a second slide radially movable on the second guide rail, a second driving device coupled to the second slide for radially setting the tool; PA0 the milling cutter being fastened to the second slide, a third driving device coupled to the milling cutter for a working motion of the tool; and PA0 a fourth driving device disposed at one of the first support flanges for rotating the tool holder relative thereto including a worm gear transmission having a worm gear …