The double-piston rod hydraulic cylinder is mainly composed of sealing ring, guide sleeve, piston, cylinder tube, cylinder head, gland, piston rod and other parts. The movable cylinder tube is generally made of seamless steel pipe, and the processing accuracy of the inner wall is very high; the piston and the piston rod are connected by a cylindrical split pin; the piston rod is guided by a guide sleeve and sealed with a sealing ring, and the screw between the cylinder head and the gland can be adjusted. Adjust the tightness of the sealing ring; a gap seal is adopted between the piston and the cylinder.
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