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功能用途
升(sheng)(sheng)降(jiang)系統(tong)是(shi)用(yong)于(yu)海洋平臺升(sheng)(sheng)降(jiang)的傳動裝置(zhi)。作(zuo)(zuo)業時(shi)將樁腿(tui)(tui)下伸到船底,使其(qi)站立在海床上,然后(hou)平臺在升(sheng)(sheng)降(jiang)裝置(zhi)的作(zuo)(zuo)用(yong)下被(bei)托起并離開水面,平臺穩定后(hou)開始作(zuo)(zuo)業。在自升(sheng)(sheng)式鉆井平臺托航時(shi),樁腿(tui)(tui)在系統(tong)的作(zuo)(zuo)用(yong)下被(bei)收回,使平臺處于(yu)漂浮(fu)狀態。該升(sheng)(sheng)降(jiang)系統(tong)通過齒(chi)輪齒(chi)條結(jie)構實現樁腿(tui)(tui)的升(sheng)(sheng)降(jiang)。鎖(suo)緊(jin)系統(tong)利(li)用(yong)楔形塊的特點,同時(shi)從(cong)垂直(zhi)和水平方向(xiang)約束(shu)鎖(suo)緊(jin)齒(chi)條,進行鎖(suo)緊(jin)及(ji)解鎖(suo)操作(zuo)(zuo)