Induction quenching device for semicircular track surface of large bearing race

The utility model relates to an induction quenching device for a semicircular track surface of a large bearing race. Two mounting seats, two inductors are respectively fixed on the opposite surfaces of the two mounting seats; the end parts of two straight arms of a U-shaped induction coil are fixedly connected with the two inductors respectively; sensing parts are fixedly arranged on the upper endsurfaces of the two straight arms respectively; the upper end of each sensing part is provided with an arc surface; a U-shaped magnetizer is fixed on each of two straight arms of the induction coil;each magnetizer is wrapped on the induction part of the corresponding straight arm; the mounting base, the inductor, the induction coil and the induction part are all made of metal materials; a bracket is fixed on one mounting seat; a quenching agent spraying pipe is fixed to the upper end of the support, a plurality of quenching agent spraying holes are formed in the pipe wall of the upper end ofthe quenching agent sprayi