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功能用途
升降(jiang)(jiang)(jiang)系(xi)(xi)統是用(yong)(yong)于(yu)海(hai)(hai)洋平(ping)(ping)臺升降(jiang)(jiang)(jiang)的傳動(dong)裝(zhuang)置(zhi)。作(zuo)業時將(jiang)樁(zhuang)腿下伸到船底(di),使其站(zhan)立在(zai)海(hai)(hai)床上,然(ran)后平(ping)(ping)臺在(zai)升降(jiang)(jiang)(jiang)裝(zhuang)置(zhi)的作(zuo)用(yong)(yong)下被托(tuo)(tuo)起并離開(kai)水面(mian),平(ping)(ping)臺穩定(ding)后開(kai)始作(zuo)業。在(zai)自升式(shi)鉆井平(ping)(ping)臺托(tuo)(tuo)航時,樁(zhuang)腿在(zai)系(xi)(xi)統的作(zuo)用(yong)(yong)下被收回,使平(ping)(ping)臺處于(yu)漂浮狀態。該升降(jiang)(jiang)(jiang)系(xi)(xi)統通(tong)過齒(chi)輪齒(chi)條(tiao)結構實現(xian)樁(zhuang)腿的升降(jiang)(jiang)(jiang)。鎖(suo)緊系(xi)(xi)統利用(yong)(yong)楔形塊的特點,同時從垂直和水平(ping)(ping)方向約(yue)束鎖(suo)緊齒(chi)條(tiao),進行(xing)鎖(suo)緊及解(jie)鎖(suo)操作(zuo)