Road surface inspection well edge opening reserving device

A road surface inspection well edge opening reserving device relates to a road surface inspection well protective cover and is characterized in that a middle opening (3) is formed in the middle of an annular flat plate (1), an annular vertical plate (4) is arranged on the lower portion of the outer edge of the annular flat plate (1), a lower end opening of the annular vertical plate (4) is buckled on a reinforced ground (15) on the outer side of an upper opening of an inspection well (14), and an asphalt macadam surface layer (8) is arranged on the periphery of the upper end of the annular vertical plate (4); the cover plate (5) covers an upper opening of the inspection well (14); the cover plate is used for blocking the upper opening of the inspection well to prevent asphalt and macadam from entering the inspection well, and enough construction space is reserved around the upper opening of the inspection well when the joint filling macadam layer, the cement macadam layer, the asphalt concrete layer and the a