抓斗起重(zhong)(zhong)機(ji)(ji)，俗名(ming)抓斗吊車，英文名(ming)：Grab crane / grabbing crane 。抓斗起重(zhong)(zhong)機(ji)(ji)是指(zhi)裝有抓斗的(de)起重(zhong)(zhong)機(ji)(ji)械，廣泛用于港口、碼(ma)頭、車站(zhan)貨場(chang)、礦山等方面裝載(zai)各(ge)種散貨、圓(yuan)木(mu)、礦物、煤炭、砂石(shi)料、土(tu)石(shi)方等。

抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)是一種自動(dong)取物機(ji)(ji)(ji)械，它(ta)的抓(zhua)(zhua)取和(he)卸(xie)(xie)出物料(liao)動(dong)作(zuo)是由(you)卸(xie)(xie)船機(ji)(ji)(ji)司機(ji)(ji)(ji)操縱，不需要輔助人員(yuan)，因而(er)避(bi)免了(le)工(gong)人的繁重(zhong)(zhong)(zhong)勞動(dong)，節省了(le)輔助工(gong)作(zuo)時間，大(da)大(da)提高了(le)裝卸(xie)(xie)效率。抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)大(da)體(ti)分為橋式(shi)抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)，門式(shi)抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)，折臂式(shi)抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)，通常(chang)人們常(chang)說的抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)是指折臂式(shi)的抓(zhua)(zhua)斗(dou)起(qi)(qi)重(zhong)(zhong)(zhong)機(ji)(ji)(ji)，例如圓木吊。