Positioning tool for induction hardening of brake shoe

The utility model provides a positioning tool for induction hardening of a brake shoe, which comprises a base and a supporting piece, the supporting piece is used for supporting the brake shoe, a pressing mechanism for pressing the brake shoe is arranged on one surface of the supporting piece far away from a brake shoe bending plate, and the positioning tool further comprises a pre-positioning mechanism and a positioning and clamping mechanism; wherein the pre-positioning mechanism comprises positioning pieces and a translation assembly, the distance between the positioning pieces is matched with the distance between two quenching inductors on induction quenching equipment, and the translation assembly is used for enabling the positioning pieces to be matched with or separated from semicircular holes in the brake shoes; the two sets of positioning and clamping mechanisms are symmetrically arranged relative to the supporting piece and abut against the two ends of the outer surface of a bent plate in the horizo