Tray drier and connection structure of drag arm and main shaft thereof

The utility model discloses a connection structure of tray drier drag arm and main shaft relates to drying device technical field, including first connecting piece and second connecting piece, first connecting piece and second connecting piece inboard all be equipped with with main shaft complex arc wall, the drag arm radially sets up in the outside of first connecting piece and second connecting piece, drag arm central line perpendicular to center line of the spindle, first connecting piece and second connecting piece swing joint are equipped with the reinforcement between first connecting piece and/or second connecting piece and the main shaft. Fix the drag arm on the main shaft through first connecting piece and second connecting piece, utilize the reinforcement can make first connecting piece and/or second connecting piece fixed more firm with the main shaft, avoid first connecting piece and second connecting piece and the phenomenon that the main shaft skidded in rotatory in -process emergence, guarantee