X-ray imaging device and X-ray imaging system

The invention discloses an X-ray imaging device and an X-ray imaging system including the imaging device. The X-ray imaging device comprises a track assembly, a supporting column assembly, an X-ray imaging assembly installed on the supporting column assembly and a chargeable-dischargeable power supply device installed on the supporting column assembly, wherein the power supply device is used for supplying power for the X-ray imaging assembly to produce X rays and complete X-ray imaging. The X-ray imaging system comprises the X-ray imaging device and multiple X-ray receiving devices. The X-rayimaging device can perform large-range movements to meet different X-ray imaging demands, and the X-ray imaging system can complete X-ray imaging of a large number of patients in a short time.