| 摘要 |
<p>PROBLEM TO BE SOLVED: To fix a unit box at a base, suspend the unit box, and connect together the unit boxes by a signal fixing metal fitting, to reduce the number of parts, and to reduce a cost. SOLUTION: By fixing a box fixing part 56 at the side of a unit box 16 by means of a bolt 66 inserted in the hole of the box fixing part 5, a fixing metal fitting is attached to the unit box 16. When the unit box 16 is installed on a base 14, a rope is locked in the hole of a suspension part 60, and the unit box 16 is suspended and inputted to a site. Consecutively a bolt 70 is inserted in a hole formed in a box connection part 58, a nut 80 is joined in a screwed-in state with the bolt 70 to connect together the adjoining unit boxes 16 and 18. Thereafter, an anchor bolt 62 is inserted in the hole of a base fixing part 54 and a nut 78 is screwed-in to the anchor bolt 62 and the base fixing part 54 is fixed on the base 14.</p> |
