SU28455A1 - Cover for sewer manhole - Google Patents

Description

The proposed cover for the manhole is intended to give the opportunity to supply it with very small holes for the purpose of getting into the sewer system as clean as possible without debris.

In FIG. 1 shows a vertical section of the lid; FIG. the covers on top and FIG. 3 is a view of the propeller with a cleaner on top.

The cast iron lid 7 is provided with holes / 7; An iron cylinder 2 is attached to this cover, which has a spiral-shaped canopy 3 and a vertical roller 4 on the edge; an iron strip 5 is attached to the cylinder, in which the lining b is mounted, on a roller 4 is fixed, a propeller 7 with a washer 8, an automatic cleaner of dirt 9, rotated by the force of a stream of waste water flowing from the hole 77, and a fastening nut for it 10.

The action of the cover is as follows. The grun of water, entering the hole 77, descending along the spiral chute 5, meets the propeller blades 7, as a result of which the roller 4 causes the roller 4 to rotate with the upper cleaner 9 fixed tightly Yu, the cleaner 9 consists of inclined blades or one blade and thanks to the centrifugal force, throwing away all the stones, sticks, etc., falling into the water.

The subject matter of the invention.

A lid for the sewer manhole, characterized in that, under the openings 77 of the lid 7, an automatic wiper 9 is fixed against dirt, driven by force of a stream of waste water flowing from the holes 77, through the spiral chute 3 on the propeller blade 7 connected roller 4 with cleaner 9. to the author's witness (izl. IK Gr dasova Lz 28455

Fig.Z

FIG. i