門(men)(men)式(shi)(shi)起(qi)重(zhong)(zhong)機是橋式(shi)(shi)起(qi)重(zhong)(zhong)機的一種變(bian)形，又叫龍門(men)(men)吊。主(zhu)要用于室(shi)外的貨(huo)場、料場貨(huo)、散貨(huo)的裝卸作(zuo)(zuo)業，具有場地利用率高、作(zuo)(zuo)業范圍大、適應面廣、通用性(xing)強等特點。太重(zhong)(zhong)生產的門(men)(men)式(shi)(shi)起(qi)重(zhong)(zhong)機，主(zhu)要包含：通用門(men)(men)式(shi)(shi)起(qi)重(zhong)(zhong)機、水電站門(men)(men)式(shi)(shi)起(qi)重(zhong)(zhong)機等。