公开(公告)号：US09116025B2

公开(公告)日：2015-08-25

申请号：US13689970

申请日：2012-11-30

申请人： KOREA ATOMIC ENERGY RESEARCH INSTITUTE

发明人： Yong Chil Seo ,  Kyung Min Jeong ,  Ho Cheol Shin

IPC分类号： B25G3/20 ,  F16B2/00 ,  F16B7/04 ,  G01D21/00 ,  G21C17/017 ,  G21C17/013

CPC分类号： G01D21/00 ,  G21C17/013 ,  G21C17/017 ,  Y10T403/7051

摘要： A cam-locking dissimilar material sleeve installed on an outer surface of an expansion shaft of an inspection robot inserted into a heat transfer tube of a steam generator for generating nuclear power to inspect the heat transfer tube, the cam-locking dissimilar material sleeve includes: a tension part formed of steel and including a plurality of upwardly opened slits and a plurality of downwardly opened slits alternately formed in zigzags and legs formed between the upwardly opened slits and the downwardly opened slits; a plurality of upper contact parts formed of a synthetic resin through injection-molding to surround an upper end of the tension part and surround parts located between the upwardly opened slits; and a plurality of lower contact parts formed of a synthetic resin through injection-molding to surround a lower end of the tension part and surround parts located between the downwardly opened slits.

摘要翻译： 凸轮锁定异种材料套筒，其安装在插入到用于产生核能的蒸汽发生器的传热管的检查机器的膨胀轴的外表面上，以检查传热管，所述凸轮锁定异种材料套筒包括： 由钢构成的张力部分，包括多个向上开口的狭缝和多个向下开口的狭缝，交替地形成在形成在向上开口的狭缝和向下开口的狭缝之间的之字形和腿部; 由合成树脂通过注射成型形成的多个上部接触部分，以围绕所述张力部分的上端并围绕位于所述向上开口的狭缝之间的部分; 以及由合成树脂通过注射成型形成的多个下接触部分，以围绕所述张紧部分的下端并围绕位于所述向下打开的狭缝之间的部分。