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    • 5. 发明授权
    • Cofferdam for 4', 8' and 12' diameter tanks
    • 4',8'和12'直径坦克的围堰
    • US5595459A
    • 1997-01-21
    • US537622
    • 1995-10-02
    • Stenis LoMonaco
    • Stenis LoMonaco
    • E02D17/02E02D29/12E21D5/00E02D17/00E21D1/00
    • E21D5/00E02D17/02E02D29/12
    • A hole shoring device that includes a support frame, a first hollow octagonal shaped sleeve, a frame linkage, a hollow second octagonal shaped sleeve, a first linkage, a second hollow octagonal shaped sleeve, a second linkage, a third hollow octagonal shaped sleeve, a third linkage, and a fourth hollow octagonal shaped sleeve. The support frame is positioned on an area around a hole in which a tank is to be buried. The first hollow octagonal shaped sleeve is disposed below the support frame and is positioned in the hole. The frame linkage removably connects the first hollow octagonal shaped sleeve and the support frame. The hollow second octagonal shaped sleeve is removably mounted within and extends below the hollow first octagonal shaped sleeve and is positioned in the hole. The first linkage removably connects the hollow second octagonal shaped sleeve and the hollow first octagonal shaped sleeve. The hollow third octagonal shaped sleeve is removably mounted within and extends below the hollow second octagonal shaped sleeve and is positioned in the hole. The second linkage removably connects the hollow third octagonal shaped sleeve and the hollow second octagonal shaped sleeve. The hollow fourth octagonal shaped sleeve is removably mounted within and extends below the hollow third octagonal shaped sleeve and positioned in the hole. And, the third linkage removably connects the hollow fourth octagonal shaped sleeve and the hollow third octagonal shaped sleeve.
    • 一种孔支撑装置,其包括支撑框架,第一空心八边形套筒,框架连杆机构,中空的第二八角形套筒,第一连杆机构,第二空心八边形套筒,第二连杆机构,第三空心八边形套筒, 第三连杆机构和第四空心八角形套筒。 支撑框架位于围绕要被埋置的槽的孔周围的区域上。 第一中空八角形套筒设置在支撑框架的下方并定位在孔中。 框架连杆可拆卸地连接第一空心八角形套筒和支撑框架。 空心的第二八角形套筒可移除地安装在中空的第一八角形套筒内并在其中延伸并位于孔中。 第一连接件可移除地连接中空的第二八角形套筒和中空的第一八角形套筒。 中空的第三八角形套筒可拆卸地安装在中空的第二八角形套筒内并在其中延伸并位于孔中。 第二连杆可拆卸地连接中空的第三八角形套筒和中空的第二八角形套筒。 中空的第四个八角形套筒可移除地安装在中空的第三个八角形的套筒内并延伸到中空的第三个八角形的套筒之下并且定位在孔中。 并且,第三连杆可拆卸地连接中空的第四八角形套筒和中空的第三八角形套筒。