The utility model discloses a high pressure power frequency alternating current overpressure resistant measuring platform of system automatic alignment system is fixed with current -limiting resistor and measuring mechanism on the removal base, the current -limiting resistor front end be equipped with and lead electrical pillar with testing transformer is connected, the electrical pillar that leads be located and remove the base front end, it is equipped with two infrared sensor to remove the base front end, testing transformer on install with two infrared external reflections of two infrared sensor matched with body, the removal base support by power wheel and universal wheel, the power wheel fix on steering mechanism, infrared sensor output sensing signal to controller, controller output control signal to the drive unit and the steering mechanism of power wheel. The utility model provides a heaviness of power -frequency withstand voltage test device practitioner ordinary in skill utensil, not easily movable and the big scheduling problem of occupation space to utilized infrared butt joint technology portable power -frequency withstand voltage measuring platform with the experiment transformer the butt joint improved the degree of automation who has looked into the platform.