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[CN 201720888891.8] Oil leakage alarm system for forging hydraulic press
[CN 201720888891.8] Title of an oil leakage alarm system for forging hydraulic presses: Application number of an oil leakage alarm system for forging hydraulic presses: CN 201720888891.8 Applicant: Dalian Engineering Technology Co., Ltd. of Yizhong Group; China First Heavy Machinery Co., Ltd. Application Date: 2017-7-20 Patent Type: Utility Model An oil leakage alarm system for forging hydraulic presses, including hydraulic machine waste collection device and oil leakage alarm device, the waste liquid collection device of the hydraulic machine includes a waste liquid collection tray under the hydraulic valve table and a waste liquid collection oil tank. The waste liquid collection tray and the waste liquid collection oil tank are connected by a collection pipeline. The collection pipeline includes a branch pipeline and a collection pipeline. The oil leakage alarm device is arranged on the collection pipeline. The oil leakage alarm device includes a hydraulic control check valve, a flow switch, a programmable logic controller and a man-machine interface, the flow switch is connected to the programmable logic controller circuit, and the programmable logic controller is connected to the man-machine interface circuit. The beneficial effects are: it can monitor and alarm the leakage of the hydraulic valve station in a timely manner, so that protective actions can be taken faster, reduce oil waste and pollution, and avoid accidents; the original hydraulic system is very small and can be widely used; Low cost and fast recovery cost.
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