提(ti)升(sheng)(sheng)(sheng)機(ji)是(shi)通過(guo)改變勢能(neng)進(jin)行運輸的大(da)(da)型(xing)(xing)機(ji)械設備(bei)，如礦井(jing)提(ti)升(sheng)(sheng)(sheng)機(ji)、過(guo)壩提(ti)升(sheng)(sheng)(sheng)機(ji)等。廣義地說，電梯、天車、卷揚、穩(wen)車、吊(diao)車、啟閉(bi)機(ji)等均(jun)可稱(cheng)為(wei)小(xiao)型(xing)(xing)提(ti)升(sheng)(sheng)(sheng)機(ji)。提(ti)升(sheng)(sheng)(sheng)機(ji)一般指功率較大(da)(da)、提(ti)升(sheng)(sheng)(sheng)能(neng)力較強(qiang)的大(da)(da)型(xing)(xing)機(ji)械設備(bei)。