CD1、MD1型(xing)電(dian)動(dong)葫(hu)蘆(lu)的(de)運(yun)行(xing)機(ji)構(gou)也(ye)稱(cheng)電(dian)動(dong)小(xiao)車(che),由(you)帶(dai)製(zhi)動(dong)器(qi)的(de)錐(zhui)形(xing)轉(zhuan)子(zi)電(dian)動(dong)機(ji)通(tong)過(guo)運(yun)行(xing)減(jian)速(su)器(qi)帶(dai)動(dong)小(xiao)車(che)的(de)一(yi)對(dui)主(zhu)動(dong)輪(lun),使(shi)整(zheng)個(ge)電(dian)動(dong)葫(hu)蘆(lu)沿(yan)著(zhe)工(gong)字(zi)鋼(gang)軌(gui)道(dao)移(yi)動(dong)的(de)裝(zhuang)置(zhi)。