A Feature Extraction Method for Early Damage State of Rolling Bearings
A rolling bearing and feature extraction technology is applied in the field of feature extraction of the early damage state of rolling bearings, which can solve the problems of difficult bearing early damage state diagnosis, inability to effectively extract bearing early damage vibration signal feature information, etc., and achieve reliable judgment basis, algorithm and program. Easy, accurate and effective effects
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[0059] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0060] The device of the present invention for feature extraction of early damage state of rolling bearings is as follows: figure 1 As shown, it includes the motor 1 set on the base 3 and the support base for installing the chemical centrifugal pump 6. The output shaft of the motor 1 is connected to the rotating shaft 5 through the coupling 2, and the rotating shaft 5 is set on the support base through the rolling bearing 4. Above, a chemical centrifugal pump 6 is installed on the rotating shaft 5, a vibration acceleration sensor 7 is arranged on the rolling bearing 4, the vibration acceleration se...
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