国内外在上下山开采中广泛采用带式输送机运输，其中下运输送机占相当大的比重。当前下运输送机容易出问题的是，由于制动系统的失效导致输送机断带、撒落煤炭、堵塞巷道、超速飞车。快速制动时，闸瓦冒烟或冒火等事故也时有发生。因此，使输送机在正常情况下平稳制动，在... Belt conveyor transportation is widely used in the mining both at home and abroad, among which the lower conveyor accounts for a large proportion. The problem with the current undercarriage is that, due to the failure of the braking system, the car is broken, the coal is scattered, the roadway is blocked, and the speeding car is over. Rapid braking, brake shoe smoke or incineration and other accidents have also occurred. Therefore, make the conveyor steady under normal circumstances, in ...