In order to prevent the steel tube from damaging the sensor when it passes through the induction furnace, the sensor is damaged. We have a power steel pipe alignment center device at the inlet end of each power supply matching device, which can effectively ensure that the steel pipe passes through the sensor without passing through the sensor. Collision with the furnace body. The height of the device is adjustable, suitable for φ95-1305 steel pipe, variable speed motor and inverter.