Intelligent detection device and detection method for void defect of concrete filled steel tube

The invention discloses a steel tube concrete void defect intelligent detection device and method, the intelligent detection device comprises two detection trolleys, each detection trolley is provided with at least one permanent magnet, a moving device, a tracking and positioning device, a signal transmitting and receiving device, a detection assembly and an intelligent control device, the intelligent detection device further comprises a communication system and a far-end control center. The intelligent detection device capable of being remotely controlled is adopted to replace manpower to accurately detect the steel tube concrete void defect, manpower resources are saved, the risk of data errors caused by improper manual operation is reduced, the defect detection difficulty of the steel tube concrete arch structure is reduced, meanwhile, the potential safety hazard that detection personnel fall from high altitude is solved, and the detection efficiency is improved. And meanwhile, the overall precision and ef