PURPOSE: To improve the workability by connecting an upper part unit for pin-engaging the hook of a crane and a lower part unit for pin-suspending a plug under the presence of a one direction center-of-gravity adjusting means and the other direction center-of-gravity adjusting means and controlling each pin through the remote operation, as for a suspending jig for a well plug for a nuclear reactor.
CONSTITUTION: A cylinder 27 for driving a pin 23 is operated by the operation of an operating box, and the pin 23 of an upper part unit 21 is engaged with the hook 9 of a crane. Then, a suspending jig is positioned at a suspension-up position of the lug 7 of a well plug, and a cylinder 28 for driving a pin 25 is driven by the operation of the operating box, and the pin 25 is allowed to penetrate through the lug 7, and the well plug 6 is installed. In this case, the position of the center of gravity is previously calculated for each element 6a of the well plug 6, and setting is performed so that the degree of horizontal attitude is secured. When the deflection of the center of gravity exists, adjustment is performed by the handles 54 for one direction center-of-gravity adjusting means 24 and the other direction center-of-gravity adjusting means 26.
DOI KAZUYUKI
ITOU SETSUROU
WATANABE YOSHIFUMI
TOSHIBA CORP
TOSHIBA ENGINEERING CO