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Cement mixing pile drill bit
The cement mixing pile drill bit comprises a drill rod body, a plurality of forward rotation blades and a reverse rotation mechanism, a plurality of first titanium alloy sawteeth are arranged on the lower portions of the forward rotation blades, and the multiple forward rotation blades are fixed to the two sides of the drill rod body; the reversing mechanism comprises an upper side annular part, two upper layer reversing pieces, two middle layer reversing pieces, two lower layer reversing pieces and two connecting plates, the two upper layer reversing pieces are connected to the two sides of the upper side annular part, the middle layer reversing pieces are located under the upper layer reversing pieces, and the lower layer reversing pieces are located under the middle layer reversing pieces; a plurality of second titanium alloy sawteeth are arranged at the lower parts of the upper-layer inversion sheet, the middle-layer inversion sheet and the lower-layer inversion sheet; and the first titanium alloy sawteeth and the second titanium alloy sawteeth are U-shaped. And drilling machining is conducted through cooperation of the forward rotation blades and the reverse rotation mechanism, the soil cutting capacity in the drilling process is enhanced, cement and soil are evenly mixed, and the integrity of a pile body is improved.
本发明公开了一种水泥搅拌桩钻头，包括钻杆主体、若干个正转叶片、反转机构，正转叶片的下部设置有多个第一钛合金锯齿，若干个正转叶片固定于钻杆主体的两侧；反转机构包括上侧环形部、2个上层反转片、2个中层反转片、2个下层反转片、2个连接板，2个上层反转片衔接于上侧环形部的两侧，中层反转片位于上层反转片的正下方，下层反转片位于中层反转片的正下方，上层反转片、中层反转片、下层反转片的下部均设置有多个第二钛合金锯齿，第一钛合金锯齿、第二钛合金锯齿均呈U型。采用若干个正转叶片、反转机构的配合进行钻进加工，增强钻进过程中切土能力，使水泥和土体混合均匀，提升桩身完整性。
Cement mixing pile drill bit
The cement mixing pile drill bit comprises a drill rod body, a plurality of forward rotation blades and a reverse rotation mechanism, a plurality of first titanium alloy sawteeth are arranged on the lower portions of the forward rotation blades, and the multiple forward rotation blades are fixed to the two sides of the drill rod body; the reversing mechanism comprises an upper side annular part, two upper layer reversing pieces, two middle layer reversing pieces, two lower layer reversing pieces and two connecting plates, the two upper layer reversing pieces are connected to the two sides of the upper side annular part, the middle layer reversing pieces are located under the upper layer reversing pieces, and the lower layer reversing pieces are located under the middle layer reversing pieces; a plurality of second titanium alloy sawteeth are arranged at the lower parts of the upper-layer inversion sheet, the middle-layer inversion sheet and the lower-layer inversion sheet; and the first titanium alloy sawteeth and the second titanium alloy sawteeth are U-shaped. And drilling machining is conducted through cooperation of the forward rotation blades and the reverse rotation mechanism, the soil cutting capacity in the drilling process is enhanced, cement and soil are evenly mixed, and the integrity of a pile body is improved.
本发明公开了一种水泥搅拌桩钻头，包括钻杆主体、若干个正转叶片、反转机构，正转叶片的下部设置有多个第一钛合金锯齿，若干个正转叶片固定于钻杆主体的两侧；反转机构包括上侧环形部、2个上层反转片、2个中层反转片、2个下层反转片、2个连接板，2个上层反转片衔接于上侧环形部的两侧，中层反转片位于上层反转片的正下方，下层反转片位于中层反转片的正下方，上层反转片、中层反转片、下层反转片的下部均设置有多个第二钛合金锯齿，第一钛合金锯齿、第二钛合金锯齿均呈U型。采用若干个正转叶片、反转机构的配合进行钻进加工，增强钻进过程中切土能力，使水泥和土体混合均匀，提升桩身完整性。
Cement mixing pile drill bit
水泥搅拌桩钻头
HE LIANG (author) / ZHANG YI (author) / LIU KAIHUANG (author) / XIE SHENHUI (author) / LIU SHUIQING (author) / LI GUODONG (author) / LI CHANGCHUN (author) / KANG LIJUN (author) / LI ZHIQIANG (author) / DAI YIPENG (author)
2022-07-29
Patent
Electronic Resource
Chinese
Single-shaft bidirectional cement mixing pile machine drill bit
| European Patent Office | 2024
| European Patent Office | 2021