F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
F - Mech Eng,Light,Heat,Weapons
16
L
26/155
F16L 55/02 (2006.01) F22B 37/00 (2006.01)
Patent
CA 1237880
ABSTRACT OF THE DISCLOSURE The present invention provides a manipulator device for use in the inspection and/or repairing of the tubing used in a steam generator for a nuclear reactor, which generator has at least one chamber in which a bundle of tubes open into a tube plate, said manipulator device being adapted to be introduced through an opening in the steam generator locked to the tube plate and carry remotely controlled inspection instruments and/or tools which may be monitored, said device comprising a column adjustable along its principle axis, a main arm connected to said column which is adapted to be moved relative to the column and relative to an associated tool carrier or together therewith and means by which the device may be temporarily releasably connected with an installation rod. With this device the checking and repairing process may proceed in such a manner that operating personnel do not have to enter the steam generator chamber in order to install or remove the manipulator device in the steam generator chamber. In addition, exact positioning and smooth course of the work is ensured. Thus the manipulator device comprises a column and a main arm connected to the column by a coupling as well as a tool carrier that is associated with the main arm. After the column has been installed and locked by pins in two tubes in the tube plate of the steam generator the column is secured by supporting the foot thereof on the floor by means of a vertical drive. By means of a guide rail and an installation rod the main arm together with the tool carrier are introduced through the opening and con- nected to the column through the coupling. The coupling segment is integrated into a combined vertical and traverse drive that is associated with the column. Using this, the main arm is moved vertically upwards into its measuring position. The drive element associated with the tool carrier together with the vertical and traverse drive allows relative movement of the tool carrier and the main arm in relation to each other and in relation to the column.
404510
Brown Boveri Reaktor G.m.b.h.
Marks & Clerk
LandOfFree
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