Intelligent and quick fault diagnosis instrument for bearing and diagnosis method thereof
A fault diagnosis instrument and bearing technology, applied in chemical industry, machinery manufacturing, metallurgy, printing, cement, electric power fields, can solve the problem of low intelligence, high intelligence, special skills and experience dependence of bearing fault diagnosis instrument, etc. problem, to achieve the effect of fast bearing fault diagnosis, high degree of intelligence, special skills and experience dependence
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[0025] The present invention will be described below in conjunction with the accompanying drawings.
[0026] The invention relates to an intelligent quick fault diagnosis instrument for bearings, such as figure 1 The structure shown includes a data acquisition device and a data processing device connected to each other, the data acquisition device includes a vibration sensor, and the data acquisition device collects and processes the vibration analog signal of the bearing based on the vibration sensor; the data processing device respectively processes the vibration analog signal through several preset frequencies Collect and obtain corresponding sets of vibration time-domain signals, and then perform Fourier transform on each vibration time-domain signal to obtain the amplitude of each frequency point of several groups of vibration spectrum, and estimate the bearing speed according to the amplitude distribution of each frequency point , and then divide the vibration accelerati...
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