The utility model relates to a reclosing circuit breaker of kingpin formula output shaft turning arm, reclosing circuit breaker includes that shell, self -locking mechanism, separating brake end the parasite aircraft structure, only son, output shaft turning arm, energy storage mechanism, driving medium and transmission linkage close a floodgate, self -locking mechanism connects the separating brake end the parasite aircraft construct with close a floodgate and end the son, the separating brake end the parasite aircraft construct with the connection that cooperatees of the roller of output shaft turning arm one end, first driving medium and the secondary drive spare of driving medium for mutually supporting, secondary drive spare pass through on the secondary drive spare the cam with the connection that cooperatees of the roller of the output shaft turning arm other end, the output shaft turning arm passes through transmission linkage links to each other with the separating brake spring, the both ends of output shaft turning arm all are equipped with roller, every the inside of roller all is equipped with a plurality of kingpins. The utility model discloses avoid the surface wearing and tearing of part under the multiple repetition action, lengthened mechanism's life -span, improved the safety and stability nature of part.