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    • 1. 发明申请
    • SLEW BEARING, METHOD FOR USING A SLEW BEARING, HOISTING CRANE AND VESSEL
    • 滚子轴承,使用滚子轴承,起重机和船的方法
    • WO2017179986A1
    • 2017-10-19
    • PCT/NL2017/050239
    • 2017-04-17
    • ITREC B.V.
    • SLOB, Wouter JohannesTIELEMAN, Hubertus Lourens LeendertROODENBURG, JoopVAN DER HOEK, Teunis
    • B66C23/84F16C35/06F16C39/02F16C21/00F16C19/30B66C23/52
    • The invention relates to a slew bearing (10, 107) comprising a stationary bearing ring (11) to be fixed to a base (3; 106), a moveable bearing ring (12) to be fixed to a moveable object (7; 102), wherein the stationary bearing ring and the moveable bearing ring are configured to enable rotation of the moveable bearing ring relative to the stationary bearing ring about a rotation axis (9). A main axial bearing (20) and an auxiliary bearing (60) are provided between the stationary bearing ring and the moveable bearing ring, wherein the moveable bearing ring comprises one or more main portions (13a) and one or more auxiliary portions (13b), which one or more main portions are moveable relative to the one or more auxiliary portions between an operational position, in which the main axial bearing transfers the axial loads between moveable bearing ring and stationary bearing ring, and a maintenance position, in which the auxiliary axial bearing transfers the axial loads between moveable bearing ring and stationary bearing ring and the main bearing is allowed to be inspected and/or maintained so that the slew bearing during inspection and/or maintenance is still operational.
    • 本发明涉及一种旋转轴承(10,107),其包括待固定到基座(3; 106)的固定轴承环(11),待固定的可移动轴承环(12) 到可移动物体(7; 102),其中所述静止轴承环和所述可移动轴承环配置为使得所述可移动轴承环能够围绕旋转轴线(9)相对于所述静止轴承环旋转。 主轴向轴承(20)和辅助轴承(60)设置在固定轴承环和可移动轴承环之间,其中可移动轴承环包括一个或多个主要部分(13a)和一个或多个辅助部分(13b) ,所述一个或多个主要部分可相对于所述一个或多个辅助部分在其中主轴向轴承在可移动轴承环和静止轴承环之间传递轴向负荷的操作位置与维护位置之间移动, 轴向轴承传递可移动轴承环和静止轴承环之间的轴向载荷,允许对主轴承进行检查和/或维护,以便在检查和/或维护期间旋转轴承仍在运行。