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由煤炭科学研究总院上海分院开发的ＹＫＤ调速型液力偶合器 ,已经被广泛配套用于该院及兖州煤矿机械厂等设计、制造的带式输送机上 ,在许多矿区的生产应用中取得了良好效果。这个研究课题属于国家科技攻关项目。他们首先完成了功率为 2 50ｋＷ的ＹＫＤ560型和功率为 2 0 0ｋＷ
The YKD speed governing fluid coupling, developed by the Shanghai Branch of the Coal Research Institute, has been widely used in belt conveyors designed and manufactured by the institute and Yanzhou Coal Mining Machinery Factory. It has been obtained in many mining production applications Good effect. This research project belongs to the national scientific and technological project. They first completed the YKD560 type with a power of 250kW and the power with 200kW