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    挖掘机伸缩臂拖拉机挖掘机械的组成


    挖掘机伸缩臂介绍拖拉机挖掘机械的组成?
     
         拖拉机挖掘机械一般由动力装置、传动装置、行走装置和工作装置等组成。单斗挖掘机和斗轮挖掘机还有转台,多斗挖掘机还有物料输送装置。

    动力装置有柴油机、电动机、柴油发电机组或外电源变流机组。辽宁挖掘机伸缩臂介绍柴油机和电动机大多用于中、小型挖掘机械,用一台原动机集?#26143;?#21160;,两者可互换。柴油发电机组和外电源变流机组用于大、中型挖掘机械,用多台电机分散驱动。

         行走装置主要用来支承机器、使机器变换工作位置和转移作业场地;另外,链斗式挖掘机和环轮式挖掘机的铲斗,随着行走装置的连续行走而切削土壤。辽宁挖掘机伸缩臂介绍行走装置?#26032;?#24102;式、轮胎式、步行式、轨行式、浮游式和拖挂式等几种。

        作业场地固定、要求接地比压?#31995;?#26102;用履带式;作业场地多变时用轮胎式;因施工条件特殊而必须架设专用轨道时,用轨行式;挖掘水?#23653;?#22303;用浮游式;辽宁挖掘机伸缩臂介绍小型单斗挖掘机的行走装置无动力源时,用拖挂式;作业场地固定、机器重量大时,用步行式。步行式行走装置大多用于单斗挖掘机?#26800;?#22823;、中型拖拉机挖掘机和斗轮挖掘机。

     

    挖掘机伸缩臂拖拉机挖掘机械的组成


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