Electromagnetic driving device of dynamic triaxial apparatus

The utility model relates to the technical field of dynamic triaxial apparatuses, in particular to an electromagnetic driving device of a dynamic triaxial apparatus, which comprises a dynamic triaxial apparatus body, protective supporting mechanisms are fixedly sleeved at two ends of the dynamic triaxial apparatus body, each protective supporting mechanism comprises a protective cover, the outer side of each protective cover is fixedly connected with a first supporting seat, and a second supporting seat is fixedly connected with a second supporting seat. A transmission shaft is rotationally connected into the first supporting seat, connecting blocks are fixedly connected to the top face of the transmission shaft, and a threaded rod is rotationally connected to the top face of the end, away from the transmission shaft, of one connecting block. According to the utility model, the shifting block is shifted to enable the sliding plate to move towards the direction of the connecting rod, so that the sliding plate