COMPOUND WHEEL ASSEMBLING APPARATUS

The present disclosure provides a compound wheel assembling apparatus including a tensioning and fixing component and a locating ring; the tensioning and fixing component is arranged to extend into a center hole of a flange to tension and fix a flange; the tensioning and fixing component includes a base plate, a flange plate, springs, expanding petals and an expanding core; the locating ring is arranged around the base plate, and has a center axis overlapping a center axis of the base plate; the locating ring has a circle of circular-ring-shaped protrusion on its outer side.