Convenient high-speed rail seat rotating device

The utility model provides a convenient high-speed rail seat rotating device. The convenient high-speed rail seat rotating device is characterized in that a seat is fixed on a seat tray through a seat fixing screw; a steel bracket is connected below the seat tray through a seat slide rail; the second-stage telescopic disc is arranged below the seat tray, and the second-stage telescopic disc and the telescopic disc sliding rail form a sliding pair; the telescopic disc sliding rail is fixed to the upper end of the steel support. A seat rotating switch is further arranged and fixedly connected with a threaded section, the threaded section is connected with the second-stage telescopic disc and the seat tray, and the tail end of the threaded section is in threaded connection with a threaded opening in the seat tray. The first-stage telescopic disc is fixed on the seat base bracket through a base fixing screw, and meanwhile, the first-stage telescopic disc is fixedly connected with the lower end of the steel bracke