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加斯帕铜矿公司尼特尔山(Needle Mountain)矿位于加拿大斯佩半岛默多克维尔城区下,采用斜坡道(5×5米)开拓。井下作业大约有80辆小型车辆、10台生产汽车和8台维修车辆。冬季,斜坡道采用两扇自动门密闭。矿石通过运输机提升到地面。近年来,随着斜坡道运输量的增加,由于斜坡道多处狭窄、坡度大和弯道多,加上能见度小,而给交会让车造成困难,为了提高运输能力,显然需要安装某种型式的控制装置。明显的解决方法是安装交通灯。
Needle Mountain Mine, Gaspar Copper Company, is located on the slopes (5 × 5 meters) under the city of Murdochville, Spey, Canada. There are about 80 small vehicles, 10 production vehicles and 8 maintenance vehicles in the downhole operation. In winter, the ramp uses two automatic doors closed. The ore is lifted to the ground by the transporter. In recent years, as the amount of ramp traffic has increased, due to many narrow ramps, large slopes and large bends, coupled with low visibility, which renders the car difficult to meet and in order to increase transport capacity, it is clear that some type of Control device. The obvious solution is to install the traffic light.