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DY-150(100)型单滚筒采煤机是我国煤矿机械化高挡普采的主要机型之一。其牵引部为液压传动,靠低速大扭矩液压马达驱动链轮转动以实现采煤机的牵引行走。该油马达是DY采煤机的专用元件(件号DY0102),价格较贵(约一万元),目前只有无锡采煤机械厂和上海液压泵厂进行小批量生产,等候供货时间较长。因此,各矿若能自己动手承担一些不太严重的修理,把损坏的油马达修好,对提高采煤机使用率,减少煤矿经济开支是有意义的。
DY-150 (100) single-drum shearer is one of the main models for mechanized high-grade coal mining in China. The traction for the hydraulic transmission, low-speed high-torque hydraulic motor driven sprocket rotation to achieve shearer traction walking. The oil motor is a special part of the DY shearer (part number DY0102), the price is more expensive (about ten thousand yuan), at present only Wuxi Coal Mining Machinery Factory and Shanghai Hydraulic Pump Factory for small batch production, waiting for a long time supply . Therefore, if the mines themselves can undertake some less serious repairs, repairing the broken oil motors is of great significance to improving the utilization rate of coal mines and reducing the coal mine’s economic expenditure.