An underground optical cable transfer box for preventing from being submerged in water
An optical cable transfer box and buried technology, which is applied in the field of waterproof protection of optical cable transfer boxes, can solve the problems of signal transmission monitoring equipment damage, buried optical cable transfer boxes are easy to be submerged in water, etc., so as to prolong the service life and prevent artificial Destructive, hard-to-exit effects
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[0037] Embodiment: a kind of buried optical cable splicing box that prevents from being submerged in water, see figure 1 Shown, comprise base 9, annular buoyant tank 3 and the telescopic pull rod 2 that prevents rotation; At the center of the upper surface of the base, be provided with a spherical shape that protrudes upward and matches the inner ring outer wall of the circular buoyant tank. Convex cap 4; Lock pin power cavity 11, pull rod placement cavity 12 and optical cable placement cavity 13 are respectively provided in the base, and a pull rod telescopic hole 10 leading to the pull rod placement cavity is provided on the upper surface of the spherical convex cap. The seat is provided with an inlet hole and an outlet hole 6 communicating with the optical cable placement cavity, and the inlet hole is provided with an inlet hole on each side of the base, see figure 1 The shown wire inlet hole 7 and wire inlet hole 8. The outer surface of the base is provided with several f...
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