Belt conveyors are the equipment with relatively high conveying efficiency in conveying equipment, especially fixed belt conveyors, not only have large conveying capacity, but also convey long distances, so they are favored by industries such as mines and coal yards. But the belt conveyor used in these places has a big test, 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 life of mining belt conveyors?