护筒驱动器通过动力头与驱动盘、连接盘、套管驱动器及套管。筒靴连接，将扭矩及加压力传递给套管、筒靴，边旋转边下压钻入地层，套管钻入与钻机取土交替进行，降低了埋设套管阻力。护筒驱动器上部通过销轴与连接盘连接，下部与套管连接。护筒驱动器直径需与全套筒直径相符；护筒驱动器下部有定位凹槽及止口，便于与套管连接。护筒驱动器的作用是将扭矩和加压力传递给套筒及筒靴。

TAOGUANSHANGDUANTONGGUOXIAOZHOUKEYUHUTONGQUDONGQIHUOTAOGUANLIANJIE，TAOGUANXIADUANKEYUTONGXUEHUOTAOGUANLIANJIE。TAOGUANJUYOUFANGHUZHICHENGJIDAOXIANGZUOYONG。XUANWAZUANJISHIGONGYULIUSUDIZHISHI，YOUYUDIZHIHANSHUILIANGGAOQIEQIANGDUDI，YICHUXIANSUOJINGXIANXIANG，YANZHONGSHIKEYINFATAKONG。CISHICAIYONGTAOGUANGONGYISHIGONG，TONGGUOTAOGUANDUILIUSUDICENGZHICHENG，FANGZHISUOJINGTAKONG。XUANWAZUANJISHIGONGYUSONGSANDIZHIQIEDIXIASHUIFENGFUSHI，KECAIYONGTAOGUANGONGYI，TONGGUOTAOGUANZHICHENGKONGBIFANGZHITAKONGJIFANGHUDIXIASHUI。