Deep cement mixing pile drilling guniting assembly
The invention discloses a deep cement mixing pile drilling guniting assembly which comprises a drill rod of an internal hollow structure, a plurality of mixing assemblies are distributed on the periphery of the bottom of the drill rod from bottom to top at intervals, and the adjacent mixing assembli...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a deep cement mixing pile drilling guniting assembly which comprises a drill rod of an internal hollow structure, a plurality of mixing assemblies are distributed on the periphery of the bottom of the drill rod from bottom to top at intervals, and the adjacent mixing assemblies are synchronously and reversely driven through gear linkage assemblies in a rotating mode. The gear linkage assembly comprises linkage helical teeth which rotate outside the drill rod and are close to the positions between every two adjacent stirring assemblies, and the sides, close to the linkage helical teeth, of the stirring assemblies are fixedly connected with driving helical teeth in meshing transmission with the linkage helical teeth. According to the concrete spraying device, the multiple stirring assemblies rotate in the staggered, synchronous and reverse directions, the stirring uniformity is further improved, the drill rod does not need to rotate in the axial direction, the concrete spraying assembly |
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