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[CN201820673325.X] Hydraulic control system of hydraulic press with synchronous cylinder
[CN201820673325.X] A hydraulic control system of a hydraulic machine with a synchronous cylinder Title: A hydraulic control system of a hydraulic machine with a synchronous cylinder Application number: CN201820673325.X Applicant: Lingyun Industrial Co., Ltd. Application date: 2018-5-8 Patent type: Utility model A hydraulic control system of a hydraulic machine with a synchronous cylinder, including main motor pump group, controllable check valve, overflow valve, check valve, pressure reducing valve, first reversing valve, accumulator, second reversing valve, right hydraulic cylinder, upward detection sensor, downward detection sensor, left hydraulic cylinder, right overflow valve, right check valve, left check valve, left check valve, synchronous cylinder and oil tank; Its special feature is that it is also equipped with a set of automatic oil replenishment mechanism, the automatic oil replenishment mechanism includes an auxiliary motor pump group, a third reversing valve, a low pressure relief valve, a left detection sensor and a right detection sensor; the left detection sensor and the right detection sensor are respectively arranged on the left and right sides of the synchronous cylinder, The third reversing valve and the low pressure relief valve are arranged in the auxiliary oil circuit connecting the pressure stabilizing mechanism and the oil tank, and the auxiliary motor pump group is arranged at the oil inlet end of the auxiliary oil circuit. The utility model solves the problem that the hydraulic press equipment cannot operate stably, and achieves the purpose of improving production efficiency and reducing the quantity of waste products.
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