Fusion diagnosing method of centrifugal pump vibration accidents and vibration signals sampling device
A technology of vibration signal and diagnosis method, which is applied in the field of vibration signal acquisition device and centrifugal pump vibration fault fusion diagnosis, can solve the problem of inability to accurately diagnose centrifugal pump faults, inability to truly and effectively comprehensively collect signals and accurately diagnose centrifugal pumps. Consider issues such as sensor multi-information resources
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[0058] The centrifugal pump vibration signal acquisition device will be described in detail below using the accompanying drawings and examples.
[0059] Referring to FIGS. 2-6 , the centrifugal pump vibration signal collection device includes an experimental device 26 , a data collector 18 , a computer 20 and a dongle 21 . The structure of the experimental device 26 is that the motor 1 and the centrifugal pump 7 are fixed on the foundation 25, the shaft 4 of the motor 1 is connected with the pump shaft 14 of the centrifugal pump 7 through a shaft coupling 15, and the shaft coupling 15 is provided with The flange 16 is fixed with a bracket 13 on the foundation 25, and the radial vertical displacement sensor 10, the radial horizontal displacement sensor 11 and the axial displacement sensor 12 for collecting the vibration signal of the centrifugal pump 7 are arranged on the bracket 13, and the centrifugal pump 7 Acceleration sensor 3 is installed on the pump bearing seat of the p...
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