抓(zhua)斗(dou)起重機(ji)，俗名抓(zhua)斗(dou)吊車，英文名：Grab crane / grabbing crane 。抓(zhua)斗(dou)起重機(ji)是(shi)指(zhi)裝(zhuang)有抓(zhua)斗(dou)的起重機(ji)械，廣泛(fan)用(yong)于港口、碼頭、車站(zhan)貨(huo)場(chang)、礦山等方面(mian)裝(zhuang)載(zai)各(ge)種(zhong)散貨(huo)、圓木(mu)、礦物(wu)、煤(mei)炭、砂石料、土石方等。

抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)是(shi)一種(zhong)自(zi)動(dong)(dong)取物機(ji)械，它的抓取和卸出物料動(dong)(dong)作(zuo)是(shi)由(you)卸船機(ji)司機(ji)操縱，不需(xu)要輔(fu)助(zhu)人(ren)員，因而避免了工人(ren)的繁(fan)重(zhong)(zhong)(zhong)(zhong)勞動(dong)(dong)，節省(sheng)了輔(fu)助(zhu)工作(zuo)時(shi)間，大大提高(gao)了裝卸效率(lv)。抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)大體分為橋(qiao)式(shi)抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)，門式(shi)抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)，折(zhe)臂式(shi)抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)，通常人(ren)們常說(shuo)的抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)是(shi)指折(zhe)臂式(shi)的抓斗(dou)(dou)(dou)起重(zhong)(zhong)(zhong)(zhong)機(ji)，例如圓木吊。