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    • 6. 发明公开
    • LINEAR STOPPER
    • LINEARER STOPPER
    • EP2520815A4
    • 2016-04-20
    • EP10841064
    • 2010-12-28
    • TALKSYSTEM CO LTD
    • WAKO SHIGERUKOMIYA YOSHIKAZU
    • F16C29/02F16B2/16F16C29/04F16C29/10F16D63/00
    • F16D63/008F16B2/16F16C23/088F16C29/02F16C29/04F16C29/10F16C33/36
    • The present invention is to provide a simple linear stopper which is capable of stopping the movement of an object in a reliable manner with a simple structure. The present invention is characterized by comprising: a stopper body has an inclined surface formed thereon, with a wedge-like space being constructed between the inclined surface and a surface of the guide member with a gap decreasing gradually toward one side of an extending direction of the guide member; rolling elements that are arranged in said wedge-like space so as to be rollable therein; and rolling element pressing means that presses the rolling elements in a direction to bite into the wedge-like space, so that the rolling elements are forced into pressure contact with the surface of the guide member and the inclined surface of the stopper body; wherein a one-way stopper mechanism is provided which restricts the relative movement of the stopper body with respect to said guide member toward a side at which the gap in the wedge-like space is large, due to a biting action caused by the rolling contact of the rolling elements in said wedge-like space, and allows the relative movement of the stopper body with respect to said guide member toward a side at which the gap in the wedge-like space is small, due to the sliding contact of the rolling elements in said wedge-like space.
    • 本发明提供一种简单的线性止动器,其能够以简单的结构以可靠的方式停止物体的移动。 本发明的特征在于包括:塞体,其上形成有倾斜面,在倾斜面与引导构件的表面之间形成有楔形空间,其间隙朝着延伸方向的一侧逐渐减小 导向件; 布置在所述楔形空间中以便在其中可滚动的滚动元件; 以及将滚动体沿着楔入空间的方向按压滚动体的滚动体按压机构,使滚动体与引导部件的表面和止动体的倾斜面受到压力接触; 其特征在于,设置有单向止动机构,其由于所述滚动接触引起的咬合动作,所述单向止动机构将所述止动器体相对于所述引导部件的相对移动限制在所述楔形空间中的间隙较大的一侧 的楔形空间中的滚动元件,并且允许止动器本体相对于所述引导构件相对于楔形空间中的间隙较小的一侧由于滚动体的滑动接触而相对移动 所述楔形空间中的元件。
    • 9. 发明公开
    • Bearing unit for fluid machinery application
    • 轴承单元的透平机械的应用
    • EP2871377A1
    • 2015-05-13
    • EP14189979.9
    • 2014-10-23
    • Aktiebolaget SKF
    • Kullin, JonasWendeberg, HansReichert, Jürgen
    • F16C23/08F16C19/54
    • F16C23/082F16C19/38F16C19/543F16C23/086F16C33/36F16C2300/14F16C2360/31
    • The present invention relates to a bearing unit (1) for a fluid machinery application (100) having a double-row bearing (10), the double-row bearing (10) comprising: a first angular self-aligning contact bearing (11) arranged next to a second angular self-aligning contact bearing (31) for locating and rotatably support a shaft (2); the first angular self-aligning contact bearing (11) having a first set of rolling elements formed of rollers (15) arranged in a first row (22) and interposed between a first curved inner raceway (20a) and a first curved outer raceway (21a), wherein each roller (15) is a symmetrical barrel shaped roller having a curved raceway-contacting surface (15a) being engageable with the first curved inner raceway (20a) and the first curved outer raceway (21a), and wherein each roller (15) of the first angular self-aligning contact bearing (11) is inclined in relation to the axial direction of the shaft (2) by a first contact angle (α 1 ); whereby the rollers (15) are arranged to cooperate with the first curved inner raceway (20a) and the first curved outer raceway (21a) for supporting an axial force (F 1 ) and a radial force (F 2 ); the second angular self-aligning contact bearing (31) having a second set of rolling elements formed of rollers (35) arranged in a second row (32) and interposed between a second curved inner raceway (40a) and a second curved outer raceway (41a), wherein each roller (35) is a symmetrical barrel shaped roller having a curved raceway-contacting surface (35a) being engageable with the second curved inner raceway (40a) and the second curved outer raceway (41a), and wherein each roller (35) of the second angular self-aligning contact bearing (31) is inclined in relation to the axial direction of the shaft (2) by a second contact angle (α 2 ); whereby the rollers (35) are arranged to cooperate with the second curved inner raceway (40a) and the second curved outer raceway (41a) for supporting the axial force (F 1 ) and the radial force (F 2 ). The present invention also relates to a fluid machinery application (100), such as wind turbine arrangement, water turbine arrangement or a propulsion turbine arrangement, comprising a bearing unit (1).