Many mining venture build an anti-horizontal ramp as the subservient tunnel besides the main shaft. They use large tram to carry equipment and staff through the ramp.
很多矿山和大型企业在主运输巷道外单独修建一条负水平的斜坡道作为辅助运输巷道，利用大型矿用胶轮车通过井下斜坡道运送设备、人员。
It has rigid structure, main shaft SKF bearings and overload safety device with long life and no malfunction. It is a high value feed producing equipment.
结构坚牢，主轴采s KF轴承，寿命特长，设有过负荷安全装置，零故障，是一部高价值的饲料生产设备。
The hoisting device serving the main shaft of Yinying Mine is not able to meet the need of production, so it is necessary to make reform for the main belt conveying equipment of the hoisting.
荫营煤矿主井提升设备不能满足生产要求，因此对设备的主胶带输送装置进行改造。
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