船吊也可(ke)叫(jiao)港口(kou)起(qi)重(zhong)(zhong)機、船用(yong)(yong)起(qi)重(zhong)(zhong)機、船尾(wei)吊,由吊桿、起(qi)重(zhong)(zhong)柱(或起(qi)重(zhong)(zhong)桅)、索具和絞(jiao)車(che)(或起(qi)貨(huo)機)等(deng)組成。吊桿裝置是船上傳(chuan)統的起(qi)貨(huo)設備,雖(sui)然繩(sheng)索繁多,操作麻煩,但因(yin)結(jie)構簡單(dan),制造容易,成本低廉(lian),至今(jin)仍被(bei)廣泛采用(yong)(yong)。油泵(beng)電機組幾大部(bu)件(jian)構成組成.成360度(du)旋轉,主要用(yong)(yong)于港口(kou)或廠(chang)房和車(che)間的室內的起(qi)重(zhong)(zhong)機。