Adjustable swinging top blowing device and using method thereof

The invention relates to the technical field of car washing machines, and particularly discloses an adjustable swing top blowing device and a using method thereof.The adjustable swing top blowing device comprises a car washing machine frame, a moving assembly and a swing assembly, the moving assembly is fixedly connected to the car washing machine frame, and the swing assembly is fixedly connected to the lower end of the moving assembly; the swing assembly comprises a box body, a lead screw, a left gear, a right gear, a left fan and a right fan, the lead screw is located in the box body, one end of the lead screw is rotationally connected to the left side of the box body, a driving motor is fixedly arranged at the other end of the lead screw, the left gear is rotationally connected to the box body through a left rotating shaft, and the right gear is rotationally connected to the box body through a right rotating shaft. The distance position of the top of the vehicle can be automatically detected, the blowing