Rotary circulative high-pressure grouting hole sealer
The utility model discloses a rotary circulative high-pressure grouting hole sealer. The sealer comprises a circular tube-shaped housing and a hollow shaft, an annular sealing ring, a bearing and a dirt discharge hole are arranged in the housing, and a rubber sealing ring and a pressure cover are ar...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a rotary circulative high-pressure grouting hole sealer. The sealer comprises a circular tube-shaped housing and a hollow shaft, an annular sealing ring, a bearing and a dirt discharge hole are arranged in the housing, and a rubber sealing ring and a pressure cover are arranged on the hollow shaft. The rotary circulative high-pressure grouting hole sealer is capable of rotating a drill stem while grouting, and avoiding the occurrence of a drill fixing accident for curtain grouting and deep hole consolidation grouting from the top down. |
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