Compaction grouting device for sandy foundation in intertidal zone: Fid-Bau Portal

Compaction grouting device for sandy foundation in intertidal zone

TANG QINLIANG / WANG HAOJIE / QIAN DONG / ZHU JIACHAO / ZHANG FENG

The invention provides a compaction grouting device for a sandy foundation in an intertidal zone. The compaction grouting device for the sandy foundation in the intertidal zone comprises a communicating pipe, a grouting mechanism, a rotating mechanism, a press grouting mechanism, a cleaning mechanism, a drill rod, a discharging mechanism and a driving mechanism. The press grouting mechanism comprises a second blade, a bottom rod, a spraying pipe, a spring, a fixing block and a fixing plug, the bottom rod is installed at the bottom end of the grouting mechanism, the spiral second blade is installed on the side wall of the bottom rod, and the spraying pipe with the arc-shaped side wall is installed in the middle of the side wall of the bottom rod; and the cleaning mechanism comprises a rubber pad, a scraping plate, spray heads, a supporting rod, a piston and a connecting hose, the piston and the scraping plate are slidably connected to the inner side wall of the grouting mechanism, the supporting rod is rotatably connected into the piston, and the spray heads are obliquely installed on the side wall of the supporting rod at equal intervals. The compaction grouting device for the sandy foundation in the intertidal zone has the advantages that grout seepage is avoided, and residual mortar in the grouting pipe is convenient to clean.

本发明提供一种潮间带沙性地基压密注浆装置。所述潮间带沙性地基压密注浆装置包括连通管；注浆机构；转动机构；压浆机构，所述压浆机构包括第二刀片、底杆、喷管、弹簧、固定块和固定塞，所述底杆安装于所述注浆机构的底端，所述底杆的侧壁安装螺旋形的所述第二刀片，所述底杆的侧壁居中处安装侧壁为弧形的所述喷管；清理机构，所述清理机构包括橡胶垫、刮板、喷头、支撑杆、活塞和连接软管，所述注浆机构的内侧壁滑动连接所述活塞和所述刮板，所述活塞的内部转动连接所述支撑杆，所述支撑杆的侧壁倾斜等距安装所述喷头；钻杆；下料机构；驱动机构。本发明提供的潮间带沙性地基压密注浆装置具有避免渗浆，方便清理注浆管内部残余砂浆的优点。

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