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    • 7. 发明授权
    • Device for supporting and recentering the shaft of a turbojet fan after uncoupling
    • 拆卸后支撑和重新安装涡轮喷气风扇的轴的装置
    • US06799416B2
    • 2004-10-05
    • US10387392
    • 2003-03-14
    • Daniel PlonaPatrick Morel
    • Daniel PlonaPatrick Morel
    • F02K306
    • F01D21/045F01D25/16F05B2260/3011F05D2260/30F16C19/52F16C2360/23
    • The invention provides a device for supporting and recentering a shaft (2) after decoupling. The device comprises an annular support (4) surrounding the shaft (2), a bearing (5) secured to the annular support (4) and having an inner ring (9) which is spaced apart from the shaft by clearance J. The inner ring (9) has two webs or tenons (14a, 14b) that are normally held to the periphery of two troughs (16a, 16b) carried by the shaft (2). Two sets of balls (28a, 28b) normally bear against the bottoms of indentations (25, 26) formed facing one another in the adjacent radial walls of the troughs (16a, 16b) and of the inner ring (9). Resilient means (26) tend to urge the troughs (16a and 16b) towards each other. In the event of the webs or tenons (14a, 14b) breaking due to a large unbalance, the balls (28a, 28b) roll on the walls of the indentations (25, 26) and move the troughs (16a, 16b) apart from each other. The resilient mans (20) tend to bring the balls (28a, 28b) back towards the bottoms of the indentations and to recenter the shaft (2) relative to the inner ring (9).
    • 本发明提供一种用于在解耦之后支撑和重新调节轴(2)的装置。 该装置包括围绕轴(2)的环形支撑件(4),固定到环形支撑件(4)并具有内部环(9)的轴承(5),该内圈与轴间隔开。 环(9)具有通常保持在由轴(2)承载的两个槽(16a,16b)的周边的两个腹板或榫头(14a,14b)。 两组球(28a,28b)通常抵靠在槽(16a,16b)和内圈(9)的相邻径向壁中彼此面对形成的凹陷(25,26)的底部。 弹性装置(26)趋向于朝向彼此推动槽(16a和16b)。 在由于大的不平衡导致腹板或榫头(14a,14b)断裂的情况下,滚珠(28a,28b)在压痕(25,26)的壁上滚动并使槽(16a,16b)从 彼此。 弹性杆(20)倾向于将球(28a,28b)返回到凹陷的底部并且相对于内圈(9)更换轴(2)。