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    • 5. 发明申请
    • Swivel joint for construction machine
    • 建筑机械用旋转接头
    • US20070024052A1
    • 2007-02-01
    • US10567908
    • 2004-12-06
    • Junya KawamotoKazuyoshi YamadaYasutaka TsurugaKenji Itou
    • Junya KawamotoKazuyoshi YamadaYasutaka TsurugaKenji Itou
    • F16L27/00
    • E02F9/2275B66C23/84E02F9/006F16L27/093Y10T403/257
    • A swivel joint for a construction machine, is mounted to an upper track frame, and a body is rotatable together with a swing structure main frame in an opening through engagement between a stopper projection and a stopper plate. Tubes on the swing structure side are connected to an upper end surface of the body by using fittings in concentrated layout, and tubes on the travel structure side are connected to a lower portion of the spindle by using fittings. The body has thicker wall portions in sidewalls thereof, and a plurality of axial passages communicating with a plurality of circumferential grooves are formed inside the thicker wall portions. The plurality of axial passages are opened at the upper end surface of the body, and the tubes on the swing structure side are connected to the upper end surface of the body in concentrated layout.
    • 一种用于建筑机械的旋转接头安装在上部履带架上,并且主体通过止动器突起和止动板之间的接合而与摆动结构主框架一起旋转在开口中。 摆动结构侧的管通过集中布置的配件连接到主体的上端表面,并且行进结构侧的管通过使用配件连接到主轴的下部。 主体在其侧壁具有较厚的壁部,并且在较厚的壁部内部形成有与多个周向沟槽连通的多个轴向通道。 多个轴向通道在主体的上端面开口,并且摆动结构侧的管以集中的布局连接到主体的上端面。