High-accuracy reduction driving device and operation method thereof

The invention provides a high-accuracy reduction driving device and an operation method thereof. The high-accuracy reduction driving device comprises a driving motor and a transmission gearbox; the transmission gearbox comprises an intermediate shaft and an output rod; a driving gear fixedly sleeves an output shaft of the driving motor; the driving gear is engaged with a first driven gear sleevingthe intermediate shaft and a second driven gear fixedly sleeving the output rod; an output gear fixedly sleeves the output rod; a locating gear fixedly sleeves the output rod; the locating gear is engaged with the transmission gearbox; a locating gearbox drives a sensor at the tail end to rotate; and when the output gear moves for one travel, the sensor rotates for less than one circle. Accordingto the high-accuracy reduction driving device, the high-accuracy reduction driving device is used on a high speed train electric seat, and high accuracy and high reliability in seat rotation angle and position collection, con