Cable manhole cover

Cable manhole cover

The utility model provides a cable manhole cover which is simple in structure and improves reliability of manhole cover connection. The cable manhole cover comprises a cover frame, an upper cover, a lower cover and an interlocking mechanism. The center of the cover frame is provided with ladder hole...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WANG MINGMIN, HU JUN, SHEN FEIFEI, LI PEIPEI, CHEN YIBU, XU YONG
Format: Patent
Sprache:eng
Schlagworte:
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Beschreibung
Zusammenfassung:The utility model provides a cable manhole cover which is simple in structure and improves reliability of manhole cover connection. The cable manhole cover comprises a cover frame, an upper cover, a lower cover and an interlocking mechanism. The center of the cover frame is provided with ladder holes which gradually reduce from top to bottom. The upper cover and the lower cover are arranged in the ladder holes, and the center lines of the upper cover and the lower cover are in accordance with that of the ladder holes. The ladder holes comprise a first ladder hole, a second ladder hole and a third ladder hole. The upper cover is arranged in the first ladder hole in a matched mode, the lower cover is arranged in the second ladder hole, and the diameter of the lower cover is larger than the bore diameter of the third ladder hole. The cable manhole cover guarantees reliability of manhole cover connection and avoids potential safety hazards.