我矿主井提升系统每年提升50万t矿石,主井地表矿仓担负着所有矿石的输出,是制约矿石产量的咽喉,它的运行状况直接影响着分矿的生产能力,原设计矿仓结构如图1a所示。1存在问题分矿从1993年投产以来,主井箕斗装车仓开始暴露出以下问题,并随着产量的逐年增加而越来越明显。(1)箕斗 Mine main shaft hoist system to enhance 500,000 tons of ore each year, the main shaft of the surface ore mine responsible for the output of all ore is to control the output of the throat, its operating conditions directly affect the production capacity of sub-ore, the original design of the structure of the mine As shown in Figure 1a. 1 Existing Problems Since the sub-ore was put into operation in 1993, the main shaft skip loading warehouse started to expose the following problems and became more and more obvious as the output increased year by year. (1) skip