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    • 3. 发明申请
    • TUBULAR HANDLING DEVICE
    • 管状处理装置
    • WO2008085700A2
    • 2008-07-17
    • PCT/US2007/088524
    • 2007-12-21
    • CANRIG DRILLING TECHNOLOGY LTD.WEEMS, CraigSULIMA, Stanislaw, CasimirELLIS, Brian
    • WEEMS, CraigSULIMA, Stanislaw, CasimirELLIS, Brian
    • F16L37/22F16L17/00B66C1/42F16L3/00
    • E21B19/06B66C1/42
    • A tubular handling apparatus comprising a slotted member having a plurality of elongated slots each extending in a direction, a recessed member slidably coupled to the slotted member and having a plurality of recesses each tapered in the direction from a shallow end to a deep end, and a plurality of rolling members each retained between one of the recesses and one of the slots, wherein each rolling member partially extends through the adjacent slot when located in the shallow end of the recess, and wherein each rolling member retracts within an outer perimeter of the slotted member when located in a deep end of the recess. The apparatus may further comprise a plurality of biasing elements each biasing a corresponding one of the rolling members towards the shallow end of the corresponding recess.
    • 一种管状处理装置,包括具有多个沿一个方向延伸的细长槽的开槽部件,一个可滑动地连接到该开槽部件并具有多个从浅端到深端方向逐渐缩小的凹部的凹形部件,以及 多个滚动构件,每个滚动构件保持在一个凹部和一个凹槽之间,其中当位于凹部的浅端中时,每个滚动构件部分地延伸通过相邻的狭槽,并且其中每个滚动构件在该外部周边内缩回 开槽部件位于凹槽的深端。 该装置还可以包括多个偏置元件,每个偏置元件将对应的一个滚动元件偏压到相应凹部的浅端。