| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a device and method for working in a water chamber, improving the work efficiency in the water chamber in a steam generator. <P>SOLUTION: This working device 1 in the water chamber is equipped with: a base 2 fixed on a tube plate surface 137a while holding heat transfer tubes 132 set on the plate surface 137a; and a manipulator 4 connected to the base 2 and suspendedly disposed in a water chamber 130. The base 2 has: a base body 21 connected to the manipulator 4; wings 22a and 22b forward/backward displaceable relative to the base body 21; and clampers 23a and 23b disposed on the wings 22, inserted into the heat transfer tubes 132 and clamp-holding the heat transfer tubes 132. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
