The utility model relates to a cylindrical pile leg for a jack up platform. The utility model mainly solves the problems that the existing local structure of the cylindrical pile leg is unreasonable in the mode of force and the stress concentration at the technological hole. It is characterized in that the legs of the cylinder wall (1) inside the corresponding rack (3) where the longitudinal rib (4), two (4) between the transverse reinforcing ribs with a plurality of supporting plates (5), and the reinforcing rib (4) and the support plate (5) between the strengthening of the elbow the connection plate (6); the pipeline joint (8) and leg tube panel (1) between the reinforcing plates (7). The cylindrical leg used in the jack up platform has the characteristics of high fatigue resistance and strengthening reinforcement at the technological hole and avoids the stress concentration.
【技术实现步骤摘要】
【技术保护点】
１．一种自升式平台所用的圆柱形桩腿，包括桩腿筒壁板（１）、环梁（２）、管线接头（８），其特征在于：所述的桩腿筒壁板（１）内侧对应齿条（３）的位置有纵向加强筋（４），两个加强筋（４）之间横向有若干个支撑板（５），并且加强筋（４）与支撑板（５）之间有加强肘板（６）连接；所述的管线接头（８）与桩腿筒壁板（１）之间有补强板（７）。
【技术特征摘要】
【专利技术属性】
技术研发人员：郭洪升，刘忠彦，孙培东，尹会存，朱玉江，王聚英，苏德安，康荣玉，路继臣，郑庆涛，蔡德军，代树纲，朱伟华，
申请(专利权)人：中国石油集团海洋工程有限公司，
类型：实用新型
国别省市：11[中国|北京]
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