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Hydraulic cylinder of the hydraulic system is the implementation of components, and hydraulic motors, are to be hydraulic mechanical energy into the energy conversion devices, collectively referred to as liquid motive. Hydraulic cylinders at home and abroad in a wide range of industrial uses, such as agricultural machinery, engineering machinery, shipbuilding, aviation, etc.. At present, the domestic production of hydraulic cylinders technical level is not enough mature, low-tech, raising the technological level of production of hydraulic engineering machinery and other heavy industries and rapid development of important tasks. In this paper, the hydraulic cylinders used for tensile steel wire rope, the main design study its structure and installation methods. Mainly from the sealed buffer, exhaust and other devices started. Thus the selection of its ring, buffer and exhaust design and installation of hydraulic cylinders structural design, installation design for the ma