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    • 93. 发明公开
    • JOURNAL BEARING
    • 中国轴承CHINA
    • EP2402621A1
    • 2012-01-04
    • EP09840837.0
    • 2009-11-13
    • Mitsubishi Heavy Industries, Ltd.
    • WAKI, YuichiroNAKANO, TakashiYAMASUE, ShingoTANAKA, ShingoKAIKOGI, TakaakiHIROKAWA, Kazuharu
    • F16C17/03F16C33/10
    • F16C33/1025F16C17/03F16C32/067F16C32/0685F16C33/08F16C33/108F16C33/1085F16C2360/00
    • To reduce the amount of lubricating oil released (supplied) between the outer circumferential surface of a rotation shaft and the inner circumferential surfaces of pads, so as to reduce the churning loss, and to reduce the bearing loss. The journal bearing comprises: a plurality of pads (13a and 13b) arranged radially inside a lower half-carrier ring (17) at intervals, for receiving load from the rotation shaft; and a plurality of pad stops (14a, 14b, 14c, 14d, and 15) respectively arranged at the circumferentially opposite ends of the respective pads (13a and 13b), for restraining circumferential movements of the respective pads (13a and 13b), wherein, among these pad stops (14a, 14b, 14c, 14d, and 15), the pad stops (14a, 14b, 14c, and 14d) other than the pad stop (15) located in the most forward position in the axial rotation direction of the rotation shaft have functions as oiling nozzles for releasing lubricating oil between the outer circumferential surface of the rotation shaft and the inner circumferential surfaces of the pads (13a and 13b).
    • 为了减少旋转轴的外周面与衬垫的内周面之间的释放(供给)润滑油的量,降低搅拌损失,降低轴承损失。 所述轴颈轴承包括:多个衬垫(13a和13b),所述衬垫(13a和13b)间隔地布置在下半承载环(17)的径向内侧,用于接收来自所述旋转轴的负载; 以及分别设置在相应衬垫(13a和13b)的圆周相对端处的多个衬垫挡块(14a,14b,14c,14d和15),用于限制相应衬垫(13a和13b)的周向运动,其中 在这些制动块止动部(14a,14b,14c,14d,15)中,除了位于轴向旋转方向的最前方位置的制动块止动部(15)以外的制动块停止(14a,14b,14c,14d) 作为用于在旋转轴的外周面与衬垫(13a,13b)的内周面之间释放润滑油的注油嘴起作用。