-
功能用途
升降(jiang)系統(tong)是用(yong)(yong)(yong)于海洋(yang)平臺升降(jiang)的傳動裝置(zhi)。作(zuo)業時將樁腿下伸到船底,使(shi)其站立在(zai)海床(chuang)上(shang),然后平臺在(zai)升降(jiang)裝置(zhi)的作(zuo)用(yong)(yong)(yong)下被(bei)托起(qi)并離開(kai)水(shui)面,平臺穩(wen)定(ding)后開(kai)始(shi)作(zuo)業。在(zai)自升式鉆井平臺托航時,樁腿在(zai)系統(tong)的作(zuo)用(yong)(yong)(yong)下被(bei)收(shou)回,使(shi)平臺處于漂浮狀態。該升降(jiang)系統(tong)通過齒輪齒條結構實現(xian)樁腿的升降(jiang)。鎖緊系統(tong)利用(yong)(yong)(yong)楔形塊的特點,同時從垂(chui)直和水(shui)平方向約束(shu)鎖緊齒條,進(jin)行鎖緊及解鎖操(cao)作(zuo)