單梁橋式起重機橋架的主梁多采用工字型鋼或鋼型與鋼板的組合截麵。起重小車常為手拉葫蘆
、電動葫蘆或用葫蘆作為起升機構部件裝配而成。按橋架方式分為支承式和懸掛式兩種。前者橋架沿車梁上的起重機軌道運行
；後者的橋架沿懸掛在廠房屋架下的起重機軌道運行。單梁橋式起重機分手動、diandongliangzhong。shoudongdanliangqiaoshiqizhongjigejigoudegongzuosudujiaodi
，qizhongliangyejiaoxiao
，danzishenzhiliangxiao，bianyuzuzhishengchan
，chengbendi，shiheyongyuwudianyuanhoubanyunliangbuda，duisuduyushengchanlvyaoqiubugaodechanghe。shoudongdanliangqiaoshiqizhongjicaiyongshoudongdanguixiaochezuoweiyunxingxiaoche
，yongshoulahuluzuoweiqishengjigou
，qiaojiayouzhuliangheduanliangzucheng。zhuliangyibancaiyongdangengongzigang，duanliangzeyongxingganghuoyawanchengxingdegangbanhancheng。

電動單梁橋式起重機工作速度
、生產率較手動的高
，起重量也較大。電動單梁橋式起重機由橋架
、大車運行機構