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    • 2. 发明授权
    • Method and apparatus for shaft support for turbine pumps
    • 用于涡轮泵的轴支撑的方法和装置
    • US4448551A
    • 1984-05-15
    • US5993
    • 1979-01-24
    • Reuel A. Murphy
    • Reuel A. Murphy
    • E21B4/00E21B17/10E21B43/12F16C23/02
    • E21B17/10E21B4/003E21B43/126
    • This is a method for supporting a pump shaft, or the like, within a tubing wherein bearing supports are provided which can be inserted and removed from the tube for maintenance purposes, or the like, with or without disturbing the location of the tube, and wherein the method is practiced by utilizing expanding bushings within the tubing, which bushings will support a shaft extending through the bushings. The bushings are caused to clamp to the internal surface of the tubing by means of an expandable split sleeve as a part of each such bushing which is normally of a smaller size than the interior of the tubing, but which is caused to expand by having a tapered inner surface which is forced upward on a tapered supporting surface by means of a threaded sleeve and, thus, is caused to expand against the interior of the tubing.
    • 这是一种用于在管道内支撑泵轴等的方法,其中提供轴承支撑件,其可以在管道或其类似物的情况下从管中被插入和移除,同时或不影响管的位置,以及 其中所述方法通过利用在管道内扩张的衬套来实施,所述衬套将支撑延伸穿过衬套的轴。 通过作为每个这样的衬套的一部分的可扩展的开口套筒将套管夹紧到管道的内表面,该套管通常尺寸比管道内部的尺寸更小,但是通过具有 锥形内表面通过螺纹套筒在锥形支撑表面上被迫向上,并且因此被压缩以抵靠管道内部膨胀。