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发明公开
CN101210609A 带有整体过耦合保护的齿轮 有权

带有整体过耦合保护的齿轮
摘要：
本发明涉及一种小齿轮(20)，与通过被布置成以便在小齿轮(20)与轴(201)之间发生过耦合时使小齿轮(20)从轴(201)脱离的可裂部件(40、50)旋转安装在支架(100)上的轴(201)是整体的。悬挂在小齿轮(20)与轴(201)之间的导向轴承(80、90)被布置成以便在小齿轮(20)从轴(201)上脱离时围绕轴(201)旋转引导小齿轮(20)。在涡轮机中，带有这种齿轮的齿轮箱在齿轮箱中的轴损坏时可以驱动备用机器。
摘要（英）：

The present invention relates to a pinion being integral with a rotatably mounted shaft in a support by means of a cleavable element arranged to disengage the pinion from the shaft in case of an overcouple between the pinion and the shaft. A guiding bearing, pending between the pinion and the shaft, is arranged to rotatably guide the pinion around the shaft, in case of a disengagement of the pinion from the shaft. In a turbomachine, a gear box comprising such a gear allows the driving of auxiliary machines in case of a breakdown of a shaft in the gear box.

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