Star wheel support structure of single-screw air compressor

The utility model discloses a star wheel support structure of a single-screw air compressor. The device comprises a star wheel shaft (1), wherein the bracket (2), the star wheel sheet (3), the pressing ring (4), the stop pad (5) and the round nut (6) are sequentially sleeved on the star wheel shaft (1) to realize fastening; namely, the star wheel shaft (1) and the bracket (2) are not integrally formed any more; instead, a split structure is employed, radial dovetail grooves (9) are formed in the plane of the support (2) from the end face of the outer circle to an inner hole along the tooth center position of each tooth, dovetail edges (10) matched with the dovetail grooves (9) are arranged on one side of the star wheel piece (3), and the dovetail edges (10) are clamped in the correspondingdovetail grooves (9) respectively to achieve fastening connection of the star wheel piece (3) and the support (2). According to the utility model, the bracket and the star wheel shaft are separatelyarranged for the first tim