The power source of the four-column hydraulic cylinder

The power source of the four-column hydraulic cylinder

The four-column hydraulic press refers to the power source and transmission method of the elevator during the lifting process. Of course, the hydraulic transmission cannot be separated from the most important part - the hydraulic cylinder.

The hydraulic system is an important part of the hydraulic machine, and the hydraulic cylinder is the actuator in the hydraulic system; it is generally composed of a cylinder block, a cylinder rod and a seal. The interior of the cylinder block is divided into two parts by a piston, each through an oil hole. Because the compression ratio of the liquid is very small, when one of the oil holes enters the oil, the piston will be pushed to make the other oil hole come out, and the piston will drive the piston rod to extend, and vice versa.

The hydraulic cylinder used in the hydraulic lift usually consists of five parts: piston and piston rod, cylinder barrel and cylinder head, buffer device, sealing device, and exhaust device. The working principle is basically similar to the ordinary hydraulic cylinder. Take a manual jack as an example, the jack is actually the simplest oil cylinder. By manually pressurizing the stalk, the hydraulic oil enters the cylinder through a one-way valve. At this time, the hydraulic oil entering the cylinder can no longer be reversed due to the single valve, forcing the cylinder rod upward, and then continuing to make the hydraulic oil continue to enter the hydraulic cylinder. In this way, it continues to rise. When it is about to fall, open the hydraulic valve to make the hydraulic oil return to the oil tank. This is the simplest working principle. Others are improved on this basis. The principle of the cylinder is basically the same as that of the oil cylinder.

The hydraulic cylinder is the most important part of the four-column hydraulic press, but the hydraulic cylinder is not very important in the maintenance of the entire equipment, because the structure and material of the hydraulic cylinder determine its high bearing capacity, simple structure and not easy to damage. This article is from the official website of the manufacturer WORLD Press Machine www.pressmachine-world.com, please indicate the source for reprinting!

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