a protective manhole cover

Abstract

The invention provides a protection well cover which comprises a well cover body, a drainage cage and a fixed base. The protection well cover has the advantages that the well cover body is prevented from being separated from a well mouth, the connection is steady and the drainage is facilitated; people and vehicles passing by can be prevented from falling into a well or sinking into the well due to carelessness, thus casualties or vehicle economic losses are avoided; in addition, the protection well cover has a pollutant obstructing function and can prevent waste from entering the well to cause drainage obstruct.

Description

technical field [0001] The invention relates to the field of municipal facilities, in particular to a protective manhole cover. Background technique [0002] Under normal circumstances, there are two situations where the manhole cover is separated from the wellhead: 1) When there is a lot of water on the road, in order to speed up the drainage of the water on the road as soon as possible, people usually lift the manhole cover and place it on the road or the side of the road at will. This speeds up the dredging of accumulated water, but due to neglect of management and care after the well cover is lifted, it even occurs that the well cover is forgotten to return to the well head position, so that the well head is completely exposed; 2) When the drainage well is filled with water, the water in the drainage well will It will be ejected through the wellhead. At this time, the well cover is pushed open by the water flow, and the well cover is washed away from the well head or eve...

AI Technical Summary

Problems solved by technology

[0002] Under normal circumstances, there are two situations where the manhole cover is separated from the wellhead: 1) When there is a lot of water on the road, in order to speed up the drainage of the water on the road as soon as possible, people usually lift the manhole cover and place it on the road or the side of the road at will. This speeds up the dredging of accumulated water, but due to neglect of management and care after the well cover is lifted, it even occurs that the well cover is forgotten to return to the well head position, so that the well head is completely exposed; 2) When the drainage well is filled with water, the water in the drainage well will It will be ejected through the wellhead. At this time, the well cover is pushed open by the water flow, and the well cover is washed away from the well head or even lost, so that the well head is completely exposed. Both of the above two situations can cause passing people and vehicles to fall into the well without paying attention. Falling into the well, causing casualties or vehicle economic losses

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