Method for preventing garbage from entering sewer from sewer manhole cover
A technology for sewers and shade wells, applied to waterway systems, water supply devices, drainage structures, etc., can solve problems such as increasing sewer blockage, increasing the workload of sewer garbage, and sewage not being discharged, so as to reduce losses and reduce cleaning and drainage The effect of the number of tubes
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[0011] Example 1: A manhole cover with a length of 0.7 meters and a width of 0.5 meters. The upper layer is made of hard steel material in a grid state. The main body of the grid is 2 cm thick and 4 cm wide. The grid gap is also 4 cm. The size and shape of the lower layer Similar to the upper one, but the material is made of hard resin, 0.7 meters long, 0.5 meters wide, the main body of the grid is 0.5 cm thick, 4 cm wide, and the grid gap is also 4 cm. In the case of no electricity, the lower layer and the upper layer are in a parallel dislocation state, and the main part of the grid of the lower layer just blocks the gap of the upper layer. The battery of the present invention is installed in a sealed box that prevents rainwater from entering, and the micro switch is installed under the hard upper layer when installing the shaded well cover to prevent pressure damage from vehicles, and is installed in the low-lying place where the rainwater first comes, and the shaded well co...
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