The development history of drainage pump trucks can be traced back to ancient water-lifting tools, and has undergone many technological innovations and improvements in modern times.
Ancient water-lifting tools
As early as the Shang and Zhou dynasties before the birth of Christ, primitive water-lifting tools such as the cistern, the windlass, and the barrel appeared in rural China. In the Eastern Han Dynasty and the Three Kingdoms period, these tools further developed into pedal-operated wheels (i.e., water wheels), becoming the predecessors of modern water pumps 1. In addition, the "well cart" of the Sui and Tang Dynasties was also a deep well water-lifting tool developed from the windlass, which was produced in the Sui and Tang Dynasties (618-907 AD). The well cart uses human or animal power to drive the vertical wheel through the corresponding device, and is mainly used for deep well water lifting
