High-voltage switchgear circuit breaker trolley propulsion mechanism integral structure, relying on a mobile frame carrying the circuit breaker in a fixed frame equipped with rails to move back and forth to achieve the movement of the circuit breaker from the test position to the working position, the switchgear only needs to carry the fixed frame of the bracket, not the rail, the movement of the circuit breaker only in the body of the propulsion mechanism and no relative movement between the switchgear, so that the operation is flexible and reliable. This makes the propulsion operation flexible and reliable. The drive mechanism is a set of screw nut mechanism with clutch device, when the circuit breaker trolley advances to the working position or withdraws to the test position, the clutch device is automatically disengaged, even if the operator continues to turn the screw the circuit breaker will not move, thus avoiding the operator to rely on the feeling to determine whether the circuit breaker moves in place.
The feed mechanism is KYN61-40.5 switch cabinet fittings, used to promote ZN85, circuit breaker series and all kinds of handcart, etc all removed parts.
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