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�������պ����ѧѧ�� 2010, Vol. 36 Issue (3) :303-306    DOI:
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Vertical cantilever rotor machines vibration self-recovery regulation system with continuously dripping liquid-injection automatic balance device
Li Yan, Wang Weimin, Li Shuangxi, Gao Jinji*
Diagnosis and Self-recovering Research Center, Beijing University of Chemical Technology, Beijing 100029, China

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Abstract�� To improve the disadvantage of normal injection balance device, the continuously dripping liquid-injection automatic balance device was developed. The balance device can change the mass distribution of rotor with injecting liquid to right chamber, and it-s balance capability can-t be reduced by dripping. If this balance device applied in equipments which the vibration phase varying, it has two advantages to normal injection balance head, that are fast response to varying vibration and the balance ability not lost. A vibration self-recovery system was constructed using the device. The system can analyze the vibration signal on real time and output the amplitude and phase, make sure the balance device-s installation position, to balance the unbalance directly by inject liquid, so the rotor vibration will fall in a short time. The balance device was installed on a high gravity machine which is a typical vertical cantilever rotor machine. The experiment results show that the continuously dripping liquid-injection balance device can decrease the vibration effectively, and response to the phase shift in a short time, satisfy the safe long ruing of equipment.
Keywords�� cantilever rotor   high-gravity machine   rotor vibration   auto balance device     
Received 2009-03-10;
Fund:

������Ȼ��ѧ����������Ŀ(50635010,50575016)

About author: �� ��(1980-),��,ɽ����Ӫ��,��ʿ��,gaojinji@263.net.
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�� ��, ��ά��, ��˫ϲ, �߽�.��ʽ����ת���豸����ע��Һʽ������ϵͳ[J]  �������պ����ѧѧ��, 2010,V36(3): 303-306
Li Yan, Wang Weimin, Li Shuangxi, Gao Jinji .Vertical cantilever rotor machines vibration self-recovery regulation system with continuously dripping liquid-injection automatic balance device[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(3): 303-306
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