Novel sulfur hexafluoride circuit breaker

The invention discloses a novel sulfur hexafluoride circuit breaker, and relates to the technical field of circuit breakers. The device comprises a mounting box and a control box, a circuit breaker shell is arranged at the top of the mounting box, a heating device is arranged at the top of the mounting box, the bottom end of the circuit breaker shell movably penetrates through the mounting box and extends into the mounting box, the control box is arranged on one side of the mounting box, and a fixing mechanism is arranged in the mounting box. A driving mechanism is arranged on the front face of the mounting box and matched with the fixing mechanism, the fixing mechanism comprises an adjusting screw rod, the adjusting screw rod is rotationally connected between the front side and the rear side of the inner wall of the mounting box, a driving block is in threaded connection with the adjusting screw rod, and a connecting rod is connected to the top of the driving block. Through the cooperation of the adjusting s