What is a combined hydraulic cylinder?

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What is a combined hydraulic cylinder?
Time: 2014-01-20 Source: http://

The combined hydraulic cylinder is a new hydraulic cylinder that has emerged in recent years and is also a hydraulic cylinder produced by engineering and application needs. There are currently two types of combined hydraulic cylinders:
1. Piston hydraulic cylinder consists of two piston hydraulic cylinders to form a combined hydraulic cylinder: one piston cylinder has a piston rod that is another piston cylinder cylinder.
Features: 1) reliable operation, stable performance, simple structure, can realize the combination of multiple pressure chambers; 2) easy to achieve speed control, especially to meet the various speed requirements of the large hooks of drilling rigs and workover rigs. Scope of application: Combined hydraulic cylinders for large hydraulic equipment such as hydraulic energy storage oil drilling rigs and hydraulic energy storage oil workover rigs. Experience: Provide a combination hydraulic cylinder for processing, maintenance and control of large hydraulic equipment such as hydraulic energy storage oil rigs and hydraulic energy storage oil workover rigs. Disadvantages: It does not have the functions of large hydraulic cylinders, long strokes and other hydraulic cylinders. Suitable for small power, short stroke and other power and motion needs.
2. Principle and composition of cylinder combined hydraulic cylinder: The combination of multi-section cylinder and cylinder is a conical surface meshing and positioning connection; the fasteners for coupling are hydraulic nut fastening technology; the piston seal structure adopts two-stage alternating Sealing technology.
Application advantages: 1) The length of the integrated cylinder of at least two cylinders is several times the length of the conventional single cylinder, as long as the length that can be achieved by the piston rod can be matched with it, so as to achieve the long stroke action and constant output of the hydraulic cylinder. Ideal value of force; 2) Easy to install, adjust, disassemble and overhaul, especially in the installation of equipment, difficult to disassemble or special work place; 3) can directly reduce the cost of use, the inevitable meeting of hydraulic cylinders at work In the case of damage or wear of the inner hole, this type of structure can repair or update only a certain segment of the cylinder without replacing the full-length cylinder. Disadvantages: It does not have the functions of large hydraulic cylinders, long strokes and other hydraulic cylinders. Suitable for small power, short stroke and other power and motion needs.

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