Underground coal mine longitudinal rotation type high-voltage isolating switch
The utility model provides a coal mine underground longitudinal rotation type high-voltage isolating switch which comprises a support, a vacuum circuit breaker, a longitudinal rotation mechanism and a control box are respectively arranged on the support, the vacuum circuit breaker is connected with...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides a coal mine underground longitudinal rotation type high-voltage isolating switch which comprises a support, a vacuum circuit breaker, a longitudinal rotation mechanism and a control box are respectively arranged on the support, the vacuum circuit breaker is connected with the longitudinal rotation mechanism, and the control box is located on one side of the longitudinal rotation mechanism. A control unit and an execution unit are arranged in the control box, the longitudinal rotation mechanism is connected with the execution unit, and the vacuum circuit breaker and the execution unit are both connected with the control unit. The vacuum circuit breaker is provided with two operation modes of automatic and manual separation and closing isolation, that is, the execution unit is controlled to drive the longitudinal rotation mechanism to rotate through automatic control or manual input of the control unit, so that on-off of the vacuum circuit breaker is controlled, maintenance by a mine |
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