Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to the field of public facilities, and particularly discloses a safe sewer manhole. The safe sewer manhole comprises a manhole wall and a manhole cover, a circle of evenly distributed spring pieces are arranged on the manhole wall, the lower ends of the spring pieces are fixed on the manhole wall, the upper ends of the spring pieces are each shaped like a T, the back face of the manhole cover is provided with evenly distributed convex grooves of which the number is the same as that of the spring pieces, the convex grooves are formed in the radius direction of the manhole cover, and one side of each convex groove is provided with a notch which can allow the T-shaped end of the corresponding spring piece to pass through. When rainwater is too much in a sewer, due to the fact that the sewer does not have enough time to discharge flood, the rainwater can jack up the manhole cover upwards, at this time, due to the fact that the pressure is reduced, the spring pieces are rebounded, the T-shaped ends of the spring pieces slide from inside to outside in the convex grooves, therefore, the manhole cover is pressed against the upper portion of the manhole mouth and can not be washed away, and damage to pedestrians is avoided; when maintenance is conducted, a person only needs to lift up the manhole cover, and when the T-shaped ends slide to the notches, the person slightly rotates the manhole cover to make the T-shaped ends located in the notches so as to take down the manhole cover very conveniently.
The invention relates to the field of public facilities, and particularly discloses a safe sewer manhole. The safe sewer manhole comprises a manhole wall and a manhole cover, a circle of evenly distributed spring pieces are arranged on the manhole wall, the lower ends of the spring pieces are fixed on the manhole wall, the upper ends of the spring pieces are each shaped like a T, the back face of the manhole cover is provided with evenly distributed convex grooves of which the number is the same as that of the spring pieces, the convex grooves are formed in the radius direction of the manhole cover, and one side of each convex groove is provided with a notch which can allow the T-shaped end of the corresponding spring piece to pass through. When rainwater is too much in a sewer, due to the fact that the sewer does not have enough time to discharge flood, the rainwater can jack up the manhole cover upwards, at this time, due to the fact that the pressure is reduced, the spring pieces are rebounded, the T-shaped ends of the spring pieces slide from inside to outside in the convex grooves, therefore, the manhole cover is pressed against the upper portion of the manhole mouth and can not be washed away, and damage to pedestrians is avoided; when maintenance is conducted, a person only needs to lift up the manhole cover, and when the T-shaped ends slide to the notches, the person slightly rotates the manhole cover to make the T-shaped ends located in the notches so as to take down the manhole cover very conveniently.
Safe sewer manhole
YU MIAOYAO (Autor:in)
30.12.2015
Patent
Elektronische Ressource
Englisch
IPC:
E03F
SEWERS
,
Abwasserkanäle