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[CN 201720667967.4] 220kV circuit breaker hydraulic mechanism vacuum and purification oil injection device
[CN 201720667967.4] 220kV Circuit Breaker Hydraulic Mechanism Vacuum and Purify Oil Injection Device Title: 220kV Circuit Breaker Hydraulic Mechanism Vacuum and Purify Oil Injection Device Application Number: CN 201720667967.4 Applicant: Chaoyang Power Supply Company of State Grid Liaoning Electric Power Co., Ltd.; State Grid Corporation Application Date: 2017-6-9 Patent Type: Utility Model This utility model relates to 220kV circuit breaker hydraulic mechanism vacuum and purification oil injection device, including upper oil storage cabinet, lower oil storage cabinet, vacuum pump, oil filter device, the upper oil conservator is connected to the exhaust hole of the hydraulic mechanism of the circuit breaker through the oil discharge pipeline, the upper oil conservator is connected to the lower oil conservator, the upper oil conservator is connected to the vacuum pump, the upper oil conservator is connected to the pressure gauge, the upper oil conservator is provided with a purifying agent container box, the lower oil conservator is connected to the oil filter device, and the oil filter device is connected to the hydraulic mechanism of the circuit breaker through the oil return pipe. The utility model prevents the hydraulic oil from flowing out when the opening and closing valves are replaced, resulting in the waste of the hydraulic oil. Convenient replacement of opening and closing valves and oil-free maintenance in the mechanism. Quickly and effectively solve equipment failures and improve the stability of equipment. Simple operation, easy to carry.
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