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Safety Manhole Cover / Manhole Cover

Safety Manhole Cover
Safety Manhole Cover

"Safety Manhole Cover" add two reflecting light bands to the buckle on the edge of the cover, when the cover loose, two reflecting light bands will stagger to remind the pedestrians and drivers to avoid the manhole and remind the worker to repair it timely. There are also a connecting rod structure under the manhole cover, when it needs to drain off water, workers don't need lift the cover. The middle of the cover sink and form a staggered floor with the edge of cover which can drain off water quickly and effectively, what's more, this structure doesn't affect use of the road safely.


Dalian Nationalities University

Dalian Minzu University
Dalian, China

Xinyue Zhang,
Dalian Nationalities University

Zhen Ye,
Dalian Nationalities University

Jie Zhang,
Dalian Nationalities University

Jiale Hou,
Dalian Nationalities University

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