Circuit breaker maintenance car

The utility model discloses a circuit breaker maintenance car which comprises a car body, a first supporting plate and a second supporting plate are arranged on the car body, a fixing plate used for fixing a circuit breaker grabbing manipulator is movably arranged on the two supporting plates, and a connecting plate and a lifting mechanism vertically arranged on the connecting plate are arranged on the car body. The upper ends of the lifting mechanisms are connected with the corresponding supporting plates; the circuit breaker grabbing manipulator is provided with a width adjusting mechanism, and the vehicle body is further provided with a telescopic mechanism connected with the two supporting plates. According to the utility model, the circuit breaker grabbing manipulator, the telescopic mechanism, the lifting mechanism and the width adjusting mechanism are arranged, so that the grabbing manipulator can conveniently move in the front and back directions and grab the circuit breaker, the fixed position of the