Belt conveyors are the equipment with relatively high conveying efficiency i n conveying equipment, especially fixed belt conveyors, not only have larg✘e conveying capacity, but also convey long distances, so they are favored by i≠ndustries such as mines and coal yards. But the belt conveyor used in these places has a big te♠st, that is, it needs to face the harsh conveying environment. Therefore, the service life of many ¥belt conveyors is relatively short, so how to prolong the service lεife of mining belt conveyors?