Gear synchronous quenching device

The invention discloses a gear synchronous quenching device. The device comprises a quenching power supply extension machine, an annular sensor and a clamping tooling used for clamping to-be-quenchedgears. The annular sensor is fixed to the quenching power supply extension machine and connected with a quenching power supply extension machine output power supply. A lifting mechanism is arranged atthe lower end of the quenching power supply extension machine. An annular water pouring ring is arranged at the lower end of the annular sensor and fixed to the outer wall of the quenching power supply extension machine. A plurality of water pouring nozzles are formed in the inner wall of the annular water pouring ring. The clamping tooling comprises a rotating turntable and self-rotating toolingbodies uniformly arranged on the rotating turntable along a rotating turntable rotary shaft. The to-be-measured gears are mounted on the self-rotating tooling bodies correspondingly and driven by theself-rotating tooling bodie