| 摘要 |
PURPOSE: A jig is provided to enable a worker to perform an installing work before welding since a curved plate makes tight contact with an inner member. CONSTITUTION: A jig comprises a pipe-shaped out-pipe(110), an in-pipe module(120), a support(130), and a pressure unit. The in-pipe module is stretchably coupled into the out pipe and supports a curved plate. The support is arranged on the upper part of the out pipe and is coupled to the in-pipe module. The pressure unit is arranged on the support and presses the bottom of the curved plate. The support comprises a pair of fasteners(131) and a prop(137). The fastener has a semi circle shape and ends of the fastener are hinge-coupled to each other. The prop is coupled to the fastener and supports the pressure unit. |
