On the main problem in running of Yanzishan Coal Mine main well belt conveyer decelerator and the problem of mending damage gears, we transform the original decelerator.

针对燕子山矿主井带式输送机减速器运行中存在的主要问题和损坏齿轮补配问题，对原减速器进行了改造。

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An control system of underground belt conveyer is developed on the specific condition in mine based on dynamic load forecasting.

文章设计了基于动态负荷预测的矿用井下皮带输送机控制系统。

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The antistatic principle, composition and technical process about PVC conveyer belt used in coal mine are introduced.

介绍了煤矿用PVC 阻燃输送带的抗静电原理、配方以及工艺过程。

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