An interlock operating mechanism and high-voltage switchgear having the same
An operating mechanism and interlocking technology, used in high-voltage/high-current switches, electric switches, high-voltage air circuit breakers, etc., can solve the problems of disconnecting switches and circuit breakers without independent and reliable interlocking, and prone to misoperation accidents. The effect of avoiding live operation of the isolation switch and improving the safety of the equipment
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Embodiment 1
[0079] This embodiment provides an interlock operation mechanism, such as Figure 1-4 As shown, it includes: an isolation main shaft 1, which can rotate around its own axis under the action of an external force, and then drive the isolation switch to open and close; the first linkage structure is linked with the isolation main shaft 1, and the isolation main shaft 1 drives the When the isolating switch is in the opening position or closing position, the closing operation of the circuit breaker is not blocked; when the isolating main shaft 1 drives the isolating switch to switch between the opening position and the closing position, the The closing operation of the circuit breaker is blocked so that the circuit breaker cannot be closed.
[0080] The interlock operating mechanism of this embodiment can prevent the circuit breaker from closing when operating the isolated main shaft 1 (such as switching from opening to closing, or switching from closing to opening), thereby avoidi...
Embodiment 2
[0122] This embodiment provides a high-voltage switchgear with the interlock operation mechanism as described in Embodiment 1.
[0123] The high-voltage switchgear of this embodiment, since it has the above-mentioned interlocking operating mechanism, naturally has all the advantages brought by the above-mentioned interlocking operating mechanism; the high-voltage switchgear provided with the above-mentioned interlocking operating mechanism can guide users one step The circuit breaker can be operated correctly in a step, and there will be no misoperation, so the safety is high.
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