冠航單(dan)軌小車(che)又叫(jiao)單(dan)軌行(xing)(xing)車(che),分手(shou)(shou)推(tui)行(xing)(xing)車(che)和(he)手(shou)(shou)拉行(xing)(xing)車(che)兩種(zhong),手(shou)(shou)拉行(xing)(xing)車(che)以(yi)手(shou)(shou)鏈驅(qu)動(dong),手(shou)(shou)推(tui)行(xing)(xing)車(che)以(yi)手(shou)(shou)推(tui)吊重物驅(qu)動(dong),能自(zi)如地行(xing)(xing)走于工字鋼軌的下翼緣上,而且(qie)車(che)輪(lun)輪(lun)緣間距(ju)可以(yi)按工字鋼軌道寬(kuan)度要求調整,將手(shou)(shou)動(dong)葫(hu)蘆懸掛(gua)在行(xing)(xing)車(che)下方,可組成手(shou)(shou)動(dong)起重運輸小車(che)。