KPJ系(xi)列卷(juan)纜電(dian)(dian)動(dong)平(ping)車是(shi)一種在電(dian)(dian)動(dong)平(ping)車上(shang)設有電(dian)(dian)纜卷(juan)線(xian)器,電(dian)(dian)纜的一端在卷(juan)線(xian)器上(shang),另一端在地面電(dian)(dian)源上(shang),當(dang)平(ping)車往返運(yun)行時(shi),卷(juan)線(xian)器自動(dong)將(jiang)電(dian)(dian)纜卷(juan)起來和(he)放下,通過(guo)卷(juan)纜給(gei)電(dian)(dian)機供電(dian)(dian)驅動(dong)平(ping)車行駛。


