DE4226855A1 - Manipulator for inspection of places of a steam generator that are difficult to access - Google Patents
Manipulator for inspection of places of a steam generator that are difficult to accessInfo
- Publication number
- DE4226855A1 DE4226855A1 DE4226855A DE4226855A DE4226855A1 DE 4226855 A1 DE4226855 A1 DE 4226855A1 DE 4226855 A DE4226855 A DE 4226855A DE 4226855 A DE4226855 A DE 4226855A DE 4226855 A1 DE4226855 A1 DE 4226855A1
- Authority
- DE
- Germany
- Prior art keywords
- manipulator
- arm
- steam generator
- inspection device
- curved arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Plasma & Fusion (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Manipulator (AREA)
Abstract
Description
Die Erfindung bezieht sich auf einen Manipulator zur In spektion schwer zugänglicher Stellen eines Dampferzeugers.The invention relates to a manipulator for In inspection of hard-to-reach areas of a steam generator.
Bei aufrechtstehenden Dampferzeugern sind die U-förmig ge bogenen Heizrohre im Bereich des Rohrbogens mit Spannbän dern oder Versteifungen versehen, mit denen die Rohre im Bogenbereich gehaltert und stabilisiert werden. Diese Spannbänder werden in der Regel aus mehreren versetzt zu einander verschweißten oder verschraubten Blechen gebil det. In regelmäßigen Abständen ist es erforderlich, eine Sichtprüfung dieser Spannbänder durchzuführen. Der zwischen dem Bodenbereich und einer darüberliegenden Grobabscheider öffnung zur Verfügung stehende Raum ist jedoch begrenzt und schwer zugänglich, so daß zur optischen Kontrolle eine ferngesteuerte Videokamera oder ein Videoskop verwendet werden muß, die von einem in diesem Zwischenbereich einge brachten Manipulator über den Rohrbogenbereich verfahren werden kann. Dieser Manipulator muß sowohl in den Bereich unterhalb der Grobabscheideröffnung eingebracht werden können als auch eine ausreichende Reichweite und Beweglich keit haben, damit alle Prüfpositionen erreicht werden können.With upright steam generators, the U-shaped ge bent heating pipes in the area of the pipe bend with tensioning straps provided or stiffeners with which the pipes in Arch area are held and stabilized. This Tension straps are usually offset from several sheet metal welded or screwed together det. Periodically it is necessary to have one Visually inspect these straps. The between the floor area and a coarse separator above Opening space is limited and difficult to access, so that a visual control remotely controlled video camera or a videoscope must be turned on by one in this intermediate area brought manipulator over the pipe bend area can be. This manipulator must be in the area below the coarse separator opening can also have sufficient range and agility be able to reach all inspection positions can.
Der Erfindung liegt nun die Aufgabe zugrunde einen Mani pulator zur Inspektion eines Dampferzeugers anzugeben, der einfach handhabbar ist und mit dem auch schwer zugängliche Stellen im Dampferzeuger erreicht werden können. The invention is based on the task of a mani to specify pulator for inspection of a steam generator that is easy to handle and also difficult to access Places in the steam generator can be reached.
Die genannte Aufgabe wird gelöst mit den Merkmalen des Pa tentanspruches 1. Gemäß der Erfindung ist ein aus mehreren Gliedern zusammensetzbarer Manipulator vorgesehen, der einen der Krümmung des Rohrbogenbereiches angepaßten, schwenkbaren gebogenen Arm mit einem freien Ende enthält, auf dem ein Inspektionsgerät in Längsrichtung verfahrbar angeordnet ist.This task is solved with the characteristics of Pa tent Claims 1. According to the invention is one of several Linkable manipulator provided the one adapted to the curvature of the pipe bend area, includes pivoting curved arm with a free end on which an inspection device can be moved in the longitudinal direction is arranged.
In einer besonders bevorzugten Ausgestaltung der Erfindung enthält der Manipulator einen in eine Öffnung der Grobab scheiderplatte einführbaren Haltearm, an dessen freiem Ende ein eine den schwenkbaren Arm tragenden Welle gela gert ist, die wenigstens annähernd mit der Längsachse des Dampferzeugers fluchtend positionierbar ist.In a particularly preferred embodiment of the invention the manipulator contains one in an opening of the grobab insert insertable holding arm, on its free End of a shaft carrying the swiveling arm gert, which is at least approximately with the longitudinal axis of the Steam generator can be positioned in alignment.
Die zur Schwenkbewegung des Armes und zum Verfahren des Inspektionsgerätes erforderlichen Antriebe sind vorzugs weise in der Nähe der Öffnung angeordnet. Insbesondere sind zum Übertragen der zur Schwenkbewegung des Armes und zum Verfahren des Inspektionsgerätes von den Antrieben zum schwenkbaren Arm bzw. zum Inspektionsgerät biegsame Wellen vorgesehen.The for the pivoting movement of the arm and for moving the Inspection device required drives are preferred arranged wisely near the opening. Especially are used to transfer the arm and swivel movement for moving the inspection device from the drives to swiveling arm or flexible shafts to the inspection device intended.
Zur weiteren Erläuterung der Erfindung wird auf das Aus führungsbeispiel der Zeichnung verwiesen, in deren Fig. 1 ein unterhalb der Grobabscheiderplatte eines Dampferzeu gers eingebrachter Manipulator gemäß der Erfindung schema tisch dargestellt ist.To further explain the invention, reference is made to the exemplary embodiment from the drawing, in FIG. 1 of which a manipulator introduced below the coarse separator plate of a steam generator according to the invention is shown schematically.
Fig. 2 veranschaulicht den mit einem Manipulator gemäß der Erfindung erreichbaren Inspektionsbereich. Fig. 2 illustrates the achievable with a manipulator according to the invention the inspection area.
Gemäß Fig. 1 sind in einem aufrechtstehenden Dampferzeu ger 2 eines Kernkraftwerkes die Heizrohre 3 zu einem Rohr bündel zusammengefaßt, das einen U-förmigen Rohrbogenbe reich 6 bildet. In diesem Rohrbogenbereich 6 werden die Heizrohre 3 des Rohrbündels durch Spannbänder 4 fixiert. Diese Spannbänder 4 sind aus mehreren Blechen zusammenge setzt, die untereinander an Knotenpunkten 5 verschweißt oder verschraubt sind. Die Knotenpunkte 5 müssen in re gelmäßigen Abständen optisch kontrolliert werden, um die mechanische Stabilität des mit den Spannbändern 4 gehal tenen Spannverbandes sicherzustellen. Die optische Kon trolle erfolgt mittels eines ferngesteuerten Inspektions gerätes 8, beispielsweise eine Videokamera oder ein Videoskop, das auf einem gebogenen Arm 16 eines aus meh reren Gliedern 12, 14, 16 zusammengesetzten Manipulators 10 angeordnet ist. Die Videokamera 8 ist auf einem Kamera wagen 80 angeordnet, der entlang dem gebogenen Arm 16 in die durch den Doppelpfeil 82 angedeuteten Richtungen ver fahren werden kann.Referring to FIG. 1 ger 2, a nuclear power plant, the heating pipes summarized bunch into a pipe 3 in an upright Dampferzeu having a U-shaped Rohrbogenbe forming portion 6. The heating tubes 3 of the tube bundle are fixed in this tube bend region 6 by means of tensioning bands 4 . These straps 4 are put together from several sheets, which are welded or screwed together at nodes 5 . The nodes 5 must be checked optically at regular intervals to ensure the mechanical stability of the tension bandage held with the straps 4 . The optical control is carried out by means of a remote-controlled inspection device 8 , for example a video camera or a videoscope, which is arranged on a bent arm 16 of a manipulator 10 composed of several members 12 , 14 , 16 . The video camera 8 is arranged on a camera dare 80 , which can be moved along the curved arm 16 in the directions indicated by the double arrow 82 .
Der gebogene Arm 16 ist in seiner Krümmung der Krümmung des Rohrbogenbereiches angepaßt. Die Kamera 8 ist in Rich tung des Doppelpfeils 84 schwenkbar auf dem Kamerawagen 80 angeordnet. Der Arm 16 ist über eine Welle 15 mit dem freien Ende eines Haltearms 14 verbunden. Die Welle 15 ist drehbar im Haltearm 14 gelagert und am Arm 16 fixiert.The curved arm 16 is adapted in its curvature to the curvature of the pipe bend region. The camera 8 is pivotally arranged on the camera carriage 80 in the direction of the double arrow 84 . The arm 16 is connected via a shaft 15 to the free end of a holding arm 14 . The shaft 15 is rotatably mounted in the holding arm 14 and fixed on the arm 16 .
In die Welle 15 greift ein Getriebe 17 ein, mit dem der Arm 16 um die Wellenachse geschwenkt werden kann.A gear 17 engages in the shaft 15 , with which the arm 16 can be pivoted about the shaft axis.
Der Haltearm 14 und die Welle 15 sind dabei vorzugsweise so positioniert, daß die Wellenachse annähernd mit der vertikalen Längsachse 18 des Dampferzeugers 2 fluchtet. The holding arm 14 and the shaft 15 are preferably positioned so that the shaft axis is approximately aligned with the vertical longitudinal axis 18 of the steam generator 2 .
Der horizontale Haltearm 14 ist über eine Steckverbindung 13 mit einem in einer Adapterplatte 36 einer in der Grob abscheiderplatte 22 befindlichen Öffnung 24 fixierten, senkrecht nach unten in den Raum zwischen der Grobabschei derplatte 22 und dem Rohrbogen 6 hineinragenden Oberarm 12 verbunden. Der gebogene Arm 16, der Haltearm 14 und der Oberarm 12 sind lösbar miteinander verbunden, um ein Ein führen des Manipulators 10 in die Öffnung 24 zu ermög lichen. An der Adapterplatte 36 sind Antriebe 38 und 40 für das Schwenkgetriebe 17 bzw. den Kamerawagen 80 ange ordnet. Die Antriebsmomente für die Längsverschiebung des Kamerawagens 80 und für die Drehbewegung des gebogenen Arms 16 werden durch biegsame Wellen 44 bzw. 42 übertragen.The horizontal arm 14 is connected via a plug connection 13 with a in an adapter plate 36 a in the coarse separator plate 22 opening 24 disposed fixed, vertically downwards in the space between the Grobabschei the plate 22 and projecting into the tube sheet 6 humeral 12th The curved arm 16 , the holding arm 14 and the upper arm 12 are releasably connected to one another to guide the manipulator 10 into the opening 24 to make it possible. On the adapter plate 36 drives 38 and 40 for the swivel gear 17 and the camera carriage 80 are arranged. The drive torques for the longitudinal displacement of the camera carriage 80 and for the rotary movement of the curved arm 16 are transmitted by flexible shafts 44 and 42 , respectively.
In der Draufsicht gemäß Fig. 2 ist zu erkennen, wie durch eine 360°-Schwenkbewegung des gebogenen Armes 16 bei fest gehaltenen Haltearm 14 praktisch alle Knotenpunkte des Rohrbogens 6 erreicht werden können.In the top view according to FIG. 2 it can be seen how practically all nodes of the pipe bend 6 can be reached by a 360 ° pivoting movement of the bent arm 16 with the holding arm 14 held firmly.
Claims (4)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4226855A DE4226855A1 (en) | 1992-08-13 | 1992-08-13 | Manipulator for inspection of places of a steam generator that are difficult to access |
PCT/DE1993/000677 WO1994004869A1 (en) | 1992-08-13 | 1993-08-02 | Manipulator for the inspection of difficultly accessible locations in a steam generator |
EP93917523A EP0655118A1 (en) | 1992-08-13 | 1993-08-02 | Manipulator for the inspection of difficultly accessible locations in a steam generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4226855A DE4226855A1 (en) | 1992-08-13 | 1992-08-13 | Manipulator for inspection of places of a steam generator that are difficult to access |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4226855A1 true DE4226855A1 (en) | 1994-02-17 |
Family
ID=6465501
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4226855A Withdrawn DE4226855A1 (en) | 1992-08-13 | 1992-08-13 | Manipulator for inspection of places of a steam generator that are difficult to access |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0655118A1 (en) |
DE (1) | DE4226855A1 (en) |
WO (1) | WO1994004869A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29703255U1 (en) * | 1997-02-24 | 1998-07-02 | Siemens AG, 80333 München | Device for checking a weld seam on the outer jacket of a reactor pressure vessel |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5860138A (en) * | 1995-10-02 | 1999-01-12 | International Business Machines Corporation | Processor with compiler-allocated, variable length intermediate storage |
FR2773255B1 (en) * | 1997-12-30 | 2000-03-24 | Framatome Sa | METHOD FOR FITTING THE INTERNAL STRUCTURES OF A STEAM GENERATOR |
Citations (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2440962A1 (en) * | 1973-08-27 | 1975-03-13 | Commissariat Energie Atomique | DEVICE FOR CHECKING DIFFICULT WALL PARTS BY REMOTE CONTROL |
DE2552341A1 (en) * | 1974-12-05 | 1976-06-16 | Framatome Sa | DEVICE FOR POSITIONING AN EQUIPMENT ON A TUBE PLATE |
DE2712060A1 (en) * | 1977-03-18 | 1978-12-07 | Kraftwerk Union Ag | Transfer mechanism for ultrasonic inspection head manipulator - esp. for reactor pressure vessels, facilitating operation, reducing downtime |
DE2913742A1 (en) * | 1979-04-05 | 1980-10-09 | Maschf Augsburg Nuernberg Ag | UNIVERSAL MANIPULATOR FOR REPEAT CHECK ON REACTOR PRESSURE TANKS |
DE3104859A1 (en) * | 1981-02-11 | 1982-08-26 | Siemens AG, 1000 Berlin und 8000 München | Device for salvaging samples from solid deposits in steam generators |
FR2514108A1 (en) * | 1981-10-06 | 1983-04-08 | Framatome Sa | PROCESS AND DEVICE FOR REMOVING SLUDGE FROM THE TUBULAR PLATE OF STEAM GENERATORS |
SU1073090A1 (en) * | 1982-12-10 | 1984-02-15 | Рыбинский Авиационный Технологический Институт | Manipulator |
DE2830908C2 (en) * | 1978-07-13 | 1985-06-05 | Kraftwerk Union AG, 4330 Mülheim | Testing device for non-destructive testing of a reactor pressure vessel |
DE3524390A1 (en) * | 1985-07-08 | 1987-01-08 | Kraftwerk Union Ag | Test manipulator |
SU1283087A1 (en) * | 1984-10-30 | 1987-01-15 | Павлодарский Проектно-Конструкторский Технологический Институт Автоматизации И Механизации Научно-Производственного Объединения "Сборочные Механизмы" | Manipulator |
US4696612A (en) * | 1984-09-20 | 1987-09-29 | Commissariat A L'energie Atomique | Tool holder robot for intervening in an enclosure having an access opening |
WO1988007156A2 (en) * | 1987-03-18 | 1988-09-22 | Electric Power Research Institute, Inc. | Flexible lance for steam generator secondary side sludge removal |
DE3916061A1 (en) * | 1989-05-17 | 1990-11-22 | Siemens Ag | DEVICE AND METHOD FOR TESTING A CONTAINER WALL |
EP0473221A1 (en) * | 1990-08-17 | 1992-03-04 | Innus Industrial Nuclear Services S.A. | Process and device for the linear positioning of a high pressure lance in a steam generator |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4575185A (en) * | 1983-08-01 | 1986-03-11 | Combustion Engineering, Inc. | System for a fiber optic cable for remote inspection of internal structure of a nuclear steam generator |
US4822238A (en) * | 1986-06-19 | 1989-04-18 | Westinghouse Electric Corp. | Robotic arm |
FR2644281B1 (en) * | 1989-03-09 | 1991-06-07 | Framatome Sa | DEVICE FOR STABILIZING THE TUBES OF THE BEAM OF A STEAM GENERATOR COMPRISING ANTI-VIBRATION BARS |
-
1992
- 1992-08-13 DE DE4226855A patent/DE4226855A1/en not_active Withdrawn
-
1993
- 1993-08-02 EP EP93917523A patent/EP0655118A1/en not_active Ceased
- 1993-08-02 WO PCT/DE1993/000677 patent/WO1994004869A1/en not_active Application Discontinuation
Patent Citations (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2440962A1 (en) * | 1973-08-27 | 1975-03-13 | Commissariat Energie Atomique | DEVICE FOR CHECKING DIFFICULT WALL PARTS BY REMOTE CONTROL |
DE2552341A1 (en) * | 1974-12-05 | 1976-06-16 | Framatome Sa | DEVICE FOR POSITIONING AN EQUIPMENT ON A TUBE PLATE |
DE2712060A1 (en) * | 1977-03-18 | 1978-12-07 | Kraftwerk Union Ag | Transfer mechanism for ultrasonic inspection head manipulator - esp. for reactor pressure vessels, facilitating operation, reducing downtime |
DE2830908C2 (en) * | 1978-07-13 | 1985-06-05 | Kraftwerk Union AG, 4330 Mülheim | Testing device for non-destructive testing of a reactor pressure vessel |
DE2913742A1 (en) * | 1979-04-05 | 1980-10-09 | Maschf Augsburg Nuernberg Ag | UNIVERSAL MANIPULATOR FOR REPEAT CHECK ON REACTOR PRESSURE TANKS |
CH644545A5 (en) * | 1979-04-05 | 1984-08-15 | Maschf Augsburg Nuernberg Ag | Universal manipulator for in-service inspection at reactor pressure vessels |
DE3104859A1 (en) * | 1981-02-11 | 1982-08-26 | Siemens AG, 1000 Berlin und 8000 München | Device for salvaging samples from solid deposits in steam generators |
FR2514108A1 (en) * | 1981-10-06 | 1983-04-08 | Framatome Sa | PROCESS AND DEVICE FOR REMOVING SLUDGE FROM THE TUBULAR PLATE OF STEAM GENERATORS |
SU1073090A1 (en) * | 1982-12-10 | 1984-02-15 | Рыбинский Авиационный Технологический Институт | Manipulator |
US4696612A (en) * | 1984-09-20 | 1987-09-29 | Commissariat A L'energie Atomique | Tool holder robot for intervening in an enclosure having an access opening |
SU1283087A1 (en) * | 1984-10-30 | 1987-01-15 | Павлодарский Проектно-Конструкторский Технологический Институт Автоматизации И Механизации Научно-Производственного Объединения "Сборочные Механизмы" | Manipulator |
DE3524390A1 (en) * | 1985-07-08 | 1987-01-08 | Kraftwerk Union Ag | Test manipulator |
WO1988007156A2 (en) * | 1987-03-18 | 1988-09-22 | Electric Power Research Institute, Inc. | Flexible lance for steam generator secondary side sludge removal |
DE3916061A1 (en) * | 1989-05-17 | 1990-11-22 | Siemens Ag | DEVICE AND METHOD FOR TESTING A CONTAINER WALL |
EP0473221A1 (en) * | 1990-08-17 | 1992-03-04 | Innus Industrial Nuclear Services S.A. | Process and device for the linear positioning of a high pressure lance in a steam generator |
Non-Patent Citations (2)
Title |
---|
MÜLLER, Günter * |
OTTE, Heinz-Josef: Mechanisierte Ultraschall-Wiederholungsprüfungen am Primärkreis von Druckwasserreaktoren. In: Atomkernenergie- Kerntechnik, Vol.47, 1985, No.1, S.7-11 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29703255U1 (en) * | 1997-02-24 | 1998-07-02 | Siemens AG, 80333 München | Device for checking a weld seam on the outer jacket of a reactor pressure vessel |
Also Published As
Publication number | Publication date |
---|---|
WO1994004869A1 (en) | 1994-03-03 |
EP0655118A1 (en) | 1995-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OM8 | Search report available as to paragraph 43 lit. 1 sentence 1 patent law | ||
8139 | Disposal/non-payment of the annual fee |