Method for detecting and evaluating sound emission of crane
An acoustic emission detection and crane technology, applied in the field of non-destructive testing, can solve problems such as inapplicability, structural type and detection signal influence, and achieve the effect of avoiding danger
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[0030] The specific embodiments of the present invention will be described in further detail below in conjunction with the drawings and embodiments. The following examples are used to illustrate the present invention, but not to limit the scope of the present invention.
[0031] In this embodiment, a bridge crane is taken as an example. The method of detecting and evaluating the crane by acoustic emission technology includes the division of the activity and intensity of the acoustic emission location source area, and the evaluation of the danger degree of the acoustic emission source, including the following steps:
[0032] 1. According to the crane inspection requirements, the basic requirements of the acoustic emission detection system are specified, including the recommended range of the resonant response frequency of the probe (ie sensor) at 100kHz to 400kHz, and the basic requirements of the preamplifier and acoustic emission detection equipment.
[0033] 2. According to the cha...
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