Internal recycle balance pressure oil cylinder
A technology of balancing pressure and internal circulation, applied in the field of hydraulic devices, can solve problems such as hydraulic cylinders not working independently, and achieve the effects of simple structure, convenient debugging and installation, and high sensitivity
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[0014] The present invention will be further described below in conjunction with the accompanying drawings.
[0015] like Figure 1 to Figure 5 As shown, the internal circulation balanced pressure oil cylinder device of the present invention is composed of a double-acting oil cylinder assembly, two one-way valves 1 and 8, and two relief valves 5 and 6. The double-acting oil cylinder assembly includes an oil cylinder block 3, a piston 2 and a piston rod 21, the two ends of the piston rod 21 respectively protrude from the end caps at both ends of the cylinder block 3, the piston 2 is located in the middle of the piston rod 21 and the cylinder block 3 is divided into two left and right oil chambers 31 and 32, the left The oil chamber 32 is connected with a check valve 8 and a relief valve 6, and the right oil chamber 31 is connected with a check valve 1 and a relief valve 5. The oil inlet of the relief valve 5 is communicated with the oil chamber 31, and the overflow valve 5 is c...
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