Ring main unit circuit breaker shaft welding detection device

The invention discloses a ring main unit circuit breaker shaft welding detection device which comprises a first support and a second support, the first support and the second support are movably connected, a shaft fixing part is connected with the first support, a sliding rail is arranged on the second support, multiple sets of deviation detection parts are arranged, a linkage moving mechanism is arranged between the deviation detection parts and the sliding rail and used for associating movement of the deviation detection parts with rotation of the circuit breaker shaft, according to the ring main unit circuit breaker shaft welding detection device, the circuit breaker shaft is fixed through the arrangement of the shaft fixing part, then deviation detection is conducted through the deviation detection parts, and in the detection process, under the action of the linkage moving mechanism, the deviation detection parts can move in the axial direction of the circuit breaker shaft, the movement is related to rota