Pressure-maintaining and regulating hydraulic control system of roll balance gear
A technology of hydraulic control system and balance device, which is applied in the direction of metal rolling, metal rolling, metal rolling rack, etc., which can solve the problems of pressure leakage, no pressure protection function, and pressure increase, so as to prevent the pressure from suddenly rising , protection of safe production, complete and rapid pressure relief
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[0020] like image 3 As shown, a hydraulic control system for maintaining pressure adjustment of a roll balancing device has a balancing hydraulic cylinder 1 with a built-in displacement sensor 2, which consists of a pressure reducing valve 11, a No. No. Ⅰ pressure gauge 15, No. Ⅱ pressure gauge 18 and hydraulic oil pipes form the pressure maintaining circuit of the roll balance device according to the conventional connection method; The valve 20, the relief valve 21 and the hydraulic oil pipe form the adjustment circuit of the roll balance device according to the conventional connection method. The two control circuits can work independently, and the pressure maintaining circuit and the adjusting circuit are separated and associated by the hydraulically controlled one-way valve 22 and the one-way valve 23 . Increase the No. Ⅱ electromagnetic reversing valve 19 to ensure that the roll device stays at any position at any time, and the adjustment is convenient; increase the hyd...
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