The present application discloses an on-line
induction heating device for a wheel blank, consisting of a frame, a
servo motor, guide posts I, guide sleeves I, a lower fixed plate, a lifting top plate, a bearing seat, a jacking cylinder, a
piston connecting rod, a top cone, reset springs, radial positioning blocks, upper fixed plates,
induction heating cylinders, connecting rods, double-head fastening nuts,
fixed slide rails, mounting plates, outer protective jackets, induction coils, a displacement sensor I, a compression cylinder, a guide sleeve II, a guide post II, a gland, pressure sensors,
asbestos, a displacement sensor II, water inlet pipes, water outlet pipes, a roller
bed, transverse sliding tables, positioning cylinders, a supporting plate and lifting cylinders.