Mechanical forced starting device applied to star triangle reduction voltage starting of fire pump

The invention provides a mechanical forced starting device applied to star triangle reduction voltage starting of a fire pump. The device includes a first circuit breaker, a second circuit breaker, and an operating mechanism. The first circuit breaker is provided with a first sliding block assembly, the first sliding block assembly drives closing or opening of the first circuit breaker, the secondcircuit breaker is provided with a second sliding block assembly, and the second sliding block assembly drives closing or opening of the second circuit breaker; the operating mechanism comprises a first rod body and a second rod body, wherein the first rod body and the second rod body are rotatably connected to a rotating shaft, and the first rod body is fixedly connected to the first sliding block assembly at the same time, and the second rod body is fixedly connected to the second sliding block assembly at the same time. Compared with the prior art, the device effectively overcomes the disadvantage that a motor can