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[CN 201821306889.6] Hydraulic system and hydraulic movement of barrier machine
[CN 201821306889.6] Title of Hydraulic Movement of Hydraulic System and Barrier Machine: Application Number of Hydraulic Movement of Hydraulic System and Barrier Machine: CN 201821306889.6 Applicant: Taizhou Sirius Hydraulic Machinery Co., Ltd. Application Date: 2018-8-14 Patent Type: Utility Model The utility model belongs to the technical field of hydraulic transmission technology, specifically refers to a hydraulic system and the hydraulic movement of barrier machine containing the hydraulic system. It includes an oil tank, a hydraulic cylinder, and a communication assembly for communicating the oil tank and the hydraulic cylinder. The hydraulic cylinder is divided into an extension cavity and a recovery cavity through a piston rod. The communication assembly includes a first channel for communicating the oil tank and the extension cavity. For the second channel connecting the oil tank and the recovery cavity, a two-way pump is also arranged between the first channel and the second channel. By changing the output direction of the two-way pump, the hydraulic oil in the first channel and the second channel can be respectively increased, and at least one check valve is provided on each of the first channel and the second channel; and an accumulator is installed on the first channel. The beneficial effect of the utility model is that it has better pressure holding performance, can effectively prevent the piston rod from falling, and has the function of power-off and pressure relief.
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