This series of flat car can be used in vertical track, L-track, S-track, curved track and explosive, swinging occasions; hydraulic lifting system can be added to the flat car; the DC motor of the flat car has the advantages of smooth starting, large starting torque, small impact on the reducer, low voltage and long service life; its running distance is not restricted and the requirements for track laying are not high, which is suitable for various transport occasions. However, the battery requires regular maintenance. Due to the limited capacity of the battery, its use time is limited.
