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通常情况下,下运带式输送机运送原煤时,允许倾角为15°。因为当倾角大于15°时,原煤在胶带上的摩擦力过小,会发生下滑现象,给矿井的生产和安全带来很多问题。由于受地质条件的影响,个别工作面带式输送机布置的巷道倾角有可能超过其运行允许的最大角度。因此,如何保证带式输送机在超过允许角度下安全运行,成为亟待解决的难题。
Under normal circumstances, the lower conveyor belt convey coal, allowing the inclination of 15 °. Because when the inclination is greater than 15 °, the coal in the adhesive tape on the friction is too small, there will be a decline in the production and safety of the mine to bring many problems. Due to the influence of geological conditions, the inclination angle of the roadway arranged by the individual face belt conveyors may exceed the maximum allowable angle of its operation. Therefore, how to ensure the safe operation of the belt conveyor beyond the allowable angle has become an urgent problem to be solved.