| 摘要 |
<p>The present invention provides an insulation box fixing device including a setting plate that covers clits of secondary insulation boxes constituting a secondary insulating layer of a hold for LNG storage and a cross-shaped insulating material fitted between the clits; a rod that has a lower end which is coupled with a fixing nut fixed to a hull and extends through the cross-shaped insulating material and the setting plate; a securing nut that has an upper hollow which is coupled with a lower end of a color stud positioned between primary insulation boxes constituting a primary insulating layer of the hold and a lower hollow coupled with an upper end of the rod; and a plywood wedge that has a thin portion having a hollow into which the securing nut is inserted and thick portions positioned on both sides of the thin portion to be in contact with the setting plate.</p> |
