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本文介绍了使用PG-Ⅰ型爬罐在复杂矿脉进行先行天井的掘进试验。经过三年多的实践证明:爬罐基本上适应急倾斜薄矿脉的变化,它能够拐弯,使天井始终沿脉掘进。为矿房回采起了先导作用,确保资源不受损失;爬罐与装运设备配套,实现了天井掘进机械化作业,改善了作业条件,减轻了劳动强度,掘进速度比普通支柱法提高了二倍多。
This article describes the use of PG-Ⅰ type cantilever in the complexity of the vein vestige tunneling test. After more than three years of practice, it has been proved that climatic cans basically adapt to the changes of steeply dipping thin veins. It can be turned so that the pavements are always driven along the veins. It plays a leading role in mining recovery and ensures that resources are not lost. Climbing and shipping facilities are matched with mechanized tunneling operations to improve working conditions and labor intensity. The speed of tunneling has more than doubled that of conventional props .