Scraper conveyor chain fluttering fault diagnosis method
A scraper conveyor and fault diagnosis technology, which is applied in the field of coal mining, can solve the problem of no good detection method for floating chain faults, and achieve the effects of reasonable design, simple implementation, and high recognition accuracy
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[0017] The content of the present invention will be described in detail below in conjunction with the drawings:
[0018] 1. In the production process of fully mechanized mining face, the source of equipment sound is the scraper conveyor and the shearer. The shearer is mainly the sound of the body vibration and the drum cutting the coal wall, and the scraper conveyor is mainly It is the sound of the scraper and the chain rubbing against the trough. The sound of these two devices is relatively stable under normal conditions. When a floating chain failure occurs somewhere on the scraper conveyor, there will be a scraper and chain hitting the trough. Metal impact sound. When the shearer drum cuts to the shovel plate of the scraper conveyor, there will also be a metal impact sound of the shearer knife teeth colliding with the shovel plate of the scraper conveyor. The other two equipment have encountered the cutting and transportation. Different abnormal sounds will be emitted when it ...
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