Hole cleaning device for spun-digging pile hole and construction method thereof
A technology of hole cleaner and rotary digging pile, applied in sheet pile wall, foundation structure engineering, construction and other directions, can solve the problem of difficult cleaning of sediment
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[0019] Such as Figure 1-Figure 7 As shown, the rotary pile hole cleaner of the present invention includes a cylindrical hole cleaner steel casing pipe 1, a slag pump 2, a filter screen 3, a circular central slag hole 4, and a cylindrical hole 11 uniformly provided with water filtering holes 11 A slag outlet 5, a second slag outlet 6, compressed gas pipeline 7, foaming agent pipeline 8, sediment collection chamber 9, steel plate 10, spring 12, rubber sheet 13, fastening bolt 14, rotating bolt 15, compressed gas outlet 16. Foaming agent outlet 17, gas distributor 18, retainer 19, filter screen fastening bolt 20, circular insert rod 21, filter screen rotating bolt 22, steel cable 23, guide wheel 24 and fixed shaft 25; The filter hole 11 is circular, penetrating the wall of the cylindrical hole cleaner, and a geotextile with water filtering function is arranged inside the filter hole; the compressed gas pipe 7 is in a circular shape and is fixed on the inner wall of the cylindrica...
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