雙(shuang)梁起(qi)重(zhong)(zhong)機(ji)一般由機(ji)械(xie)(xie)、電(dian)氣和金屬結構三大部分(fen)組(zu)成，外(wai)形象一個兩端支(zhi)承在平行的(de)(de)兩條(tiao)架空軌道上平移運(yun)行的(de)(de)單跨平板橋，是現代工(gong)(gong)業生(sheng)產和起(qi)重(zhong)(zhong)運(yun)輸(shu)中實現生(sheng)產過程機(ji)械(xie)(xie)化(hua)(hua)、自動化(hua)(hua)的(de)(de)重(zhong)(zhong)要(yao)工(gong)(gong)具和設備(bei)。雙(shuang)梁起(qi)重(zhong)(zhong)機(ji)在室(shi)內外(wai)工(gong)(gong)礦(kuang)企業、鋼鐵化(hua)(hua)工(gong)(gong)、鐵路(lu)交通、港口碼(ma)頭以及物流周轉等(deng)部門和場所均得到廣泛(fan)的(de)(de)運(yun)用