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Smart manhole covers / Smart manhole covers

Smart manhole covers

When the water level of underground sewage up to the wellhead, it will produce the enormous pressure on the manhole cover, then the manhole cover is opened,people is very easy to fall.

Now we make constructure of the manhole cover like valves. Therefore Valve cover hinge will naturally open, meanwhile reduce the area that be pressed, compared with ordinary well maximum cover bearing pressure increase by 6-8 times.

When the water level drops the hinge of manhole cover naturally fall , the manhole cover back to original condition.

University

Hunan University

Hunan University
Changsha, China

Ruoshi Zhuang,
Hunan University

University

Hunan University

Hunan University
Changsha, China

Ruoshi Zhuang,
Hunan University