Novel highway subgrade drainage device
A novel highway subgrade drainage device comprises a limiting block, a cement bearing table, a cement drainage block, a rotating shaft and a driving nut, a lower drainage channel is formed in the bottom of the cement bearing table, the cement bearing table is matched with the cement drainage block,...
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| Hauptverfasser: | , , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | A novel highway subgrade drainage device comprises a limiting block, a cement bearing table, a cement drainage block, a rotating shaft and a driving nut, a lower drainage channel is formed in the bottom of the cement bearing table, the cement bearing table is matched with the cement drainage block, the cement bearing table is connected with the cement drainage block, and the cement drainage block is connected with the rotating shaft. The cement drainage block is placed in the cement bearing table and provided with a plurality of drainage grooves, a limiting sliding groove is formed in the front portion of the cement drainage block and matched with the limiting block, the limiting sliding groove is connected with the limiting block, the limiting block slides in the limiting insertion groove, and a limiting insertion groove is formed in the rear portion of the cement drainage block and matched with the limiting block. The limiting insertion groove is matched with the limiting block and connected with the limiti |
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