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    1、多媒體語音通信裝置應用;

    2、液動罐內阻車器應用;

    3、機械外動力罐內阻車器的應用;

    4、液動罐簾門的應用;


    箕斗

    1、解決斗箱卸煤口積煤的結構;

    2、斗箱側板防止塊煤沖擊的結構;

    3、閘門防沖擊變形,轉動不靈活的結構;

    4、防止井筒鋼罐道磨損的調節罐耳機構。


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