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    • 7. 发明授权
    • Linear motion bearing
    • 直线运动轴承
    • US4278305A
    • 1981-07-14
    • US95225
    • 1979-11-19
    • Armin OlschewskiManfred BrandensteinLothar WalterHorst M. Ernst
    • Armin OlschewskiManfred BrandensteinLothar WalterHorst M. Ernst
    • F16C29/00F16C29/06
    • F16C29/069
    • A linear motion ball bearing having an outer sleeve and a cylindrical ball-guide cage with endless rows of balls axially movable on a central shaft, the cage defining for each row a main guideway for loaded balls engaged by a race plate and a return guideway for unloaded balls, this race plate situated partially in a recess extending radially inward in the cage and partially in a depression extending radially outward in an adjacent portion of the bore surface of the outer sleeve. During assembly of the bearing the race plates are movable radially inward when the cage is inserted axially into the bore of the outer sleeve, and the race plates are moved radially outward into the depressions of the sleeve when balls are inserted in the cage's guideways.
    • 一种直线运动球轴承,其具有外套筒和圆柱形导轨保持架,其具有可在中心轴上轴向移动的圆柱形球,所述保持器限定每排用于由赛道板接合的加载球的主导轨和用于 卸载的球,该座板部分地位于在保持架内径向向内延伸的凹部中,并且部分地位于在外套筒的孔表面的相邻部分中径向向外延伸的凹陷中。 在组装轴承期间,当保持架轴向插入外套筒的孔中时,座板可径向向内移动,并且当球插入保持架的导轨中时,座板径向向外移动到套筒的凹部中。
    • 8. 发明授权
    • Mechanism for lubricating the bearings of the cutting rollers of a
roller bit
    • 用于润滑滚子钻头切割辊轴承的机构
    • US4158394A
    • 1979-06-19
    • US878155
    • 1978-02-15
    • Horst M. ErnstArmin OlschewskiLothar WalterManfred Brandenstein
    • Horst M. ErnstArmin OlschewskiLothar WalterManfred Brandenstein
    • E21B10/24E21B9/18F16C19/00
    • E21B10/24F16C21/00F16C2352/00
    • A system for lubricating bearings in a drilling apparatus including a roller bit with at least one pivot and a cutting roller rotatably supported on the pivot by bearings. A cavity or chamber is formed in the roller bit for a non-compressible flushing liquid. The flow channel which communicates with the chamber at one end and the bearing cavity at the other end, provides a flow path for the flushing liquid to the bearing cavity. In one form the flushing liquid discharges to the bearing cavity at a point remote from an annular gap between the outer axial end face of the cutting roller and the roller bit. In another embodiment circumferentially spaced discharge ports are located between the bearings so that a portion of the flushing liquid is discharged to the environment and the remainder flows through the bearings and out the annular gap.
    • 一种用于在钻孔设备中润滑轴承的系统,包括具有至少一个枢轴的滚子钻头和通过轴承可旋转地支撑在枢轴上的切割滚子。 用于不可压缩冲洗液体的滚子钻头中形成空腔或腔室。 在一端与腔室连通的流动通道和另一端的轴承腔体提供了用于冲洗液体到轴承腔的流路。 在一种形式中,冲洗液体在远离切割辊的外轴向端面和滚子钻头之间的环形间隙的点处排出到轴承腔。 在另一个实施例中,周向间隔开的排出口位于轴承之间,使得冲洗液体的一部分被排放到环境中,其余部分流过轴承并从环形间隙出来。