Radioactive source detection simulation device

The radioactive source detection simulation device comprises a longitudinal guide rail and a transverse guide rail which are arranged in a crossed mode, and the transverse guide rail is installed on the upper side of the longitudinal guide rail in a sliding fit mode and can move in the length direction of the longitudinal guide rail; a mounting base is arranged on the transverse guide rail, the mounting base is in sliding fit connection with the transverse guide rail and can move in the length direction of the transverse guide rail, a rotating rod capable of rotating around the mounting base is arranged on the mounting base, and a radioactive source mounting box is mounted at the end, away from the mounting base, of the rotating rod and used for containing a radioactive source; the detector is arranged at a fixed position and is used for acquiring radioactivity monitoring data of the radioactive source in the moving process, and the monitoring data is used for analyzing the monitoring performance of the detec