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功能用途
頂(ding)部(bu)驅(qu)動鉆(zhan)(zhan)井(jing)(jing)裝(zhuang)置(zhi),可以直(zhi)接(jie)(jie)從井(jing)(jing)架空間(jian)上部(bu)直(zhi)接(jie)(jie)旋(xuan)轉(zhuan)鉆(zhan)(zhan)柱,并沿(yan)井(jing)(jing)架內專用導軌(gui)向(xiang)下送進,完成鉆(zhan)(zhan)柱旋(xuan)轉(zhuan)鉆(zhan)(zhan)進、循環鉆(zhan)(zhan)井(jing)(jing)液、接(jie)(jie)單(dan)根、上卸扣和(he)倒劃眼等多種鉆(zhan)(zhan)井(jing)(jing)操作的鉆(zhan)(zhan)井(jing)(jing)裝(zhuang)備。頂(ding)驅(qu)減速機為頂(ding)驅(qu)裝(zhuang)置(zhi)中(zhong)的主要傳動部(bu)件,實現從電(dian)機到鉆(zhan)(zhan)柱力矩與速度的傳遞和(he)鉆(zhan)(zhan)井(jing)(jing)鉆(zhan)(zhan)具(ju)的提(ti)升(sheng)