水室内作業方法および水室内作業装置の治具

Japanese Patent JP5665349

B2

PROBLEM TO BE SOLVED: To provide a work method in a water chamber and a jig for a work apparatus in water chamber with which the workability of the work in a water chamber in a steam generator can be enhanced.SOLUTION: A work method in a water chamber includes a step for lifting an assembly of a base 2 and a connecting link 3 by means of a wire 12 to install the assembly on a pipe plate surface 137a of a water chamber 131 and a step in which a work apparatus 1 in a water chamber moves along the pipe plate surface 137a while mooring at the wire 12 to perform the work in the water chamber. In this case, the work apparatus 1 in a water chamber performs the work in a water chamber in the state in which a weight 19 is movably attached to the wire 12 and the winding amount of the wire 12 is set to more than a predetermined value so that the wire 12 sags.

JP2008076370	RADIATION SHIELDED CAMERA FOR WORKING
JPH11281789	INFURNACE STRUCTURE LASER MACHINING METHOD
WO/2005/024083	REACTOR STRUCTURE, PROCESS FOR PRODUCING THE SAME AND PROCESS FOR REPAIRING THE SAME

藤田 淳
山本 邦博

JP2010095484A

February 04, 2015

April 16, 2010

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三菱重工業株式会社

G21C19/02; F22B37/02

Hiroaki Sakai
Jun Takamura

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