Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Drilling and cutting device for cement soil two-way mixing pile and drilling method
The invention belongs to the technical field of geological construction, and particularly relates to a drilling and cutting device for a cement soil two-way mixing pile in a special stratum and a drilling method. The drilling and cutting device for the cement soil two-way mixing pile in the special stratum is provided with an upper drill rod and a lower drill rod, wherein the upper drill rod and the lower drill rod are connected into a whole, and a group of horizontal blades are arranged on the upper drill rod. The drilling and cutting device is characterized in that an upper group of blades and a lower group of blades are arranged on the lower drill rod, and the group of blades which are located on the upper part of the lower drill rod are horizontal blades; the group of blades which are located on the lower part of the lower drill rod are inclined blades, and the inclined blades are inclined downwards from the ends connected with the lower drill rod; and cutting edges are arranged on the inclined blades, and comb tooth holes are formed in the lower edges of the cutting edges. According to the drilling and cutting device, the problems that soil is difficult to cut and cutting is uneven are solved; and the blades are inclined, so that the drilling full-coverage cutting is achieved, and the problems that the horizontal blades can only conduct horizontal cutting, and a soil cutting blind area exists are solved.
本发明属于地质施工技术领域，具体涉及一种特殊地层下水泥土双向搅拌桩钻进切削装置及钻进方法。涉及的一种特殊地层下水泥土双向搅拌桩钻进切削装置，切削装置具有连接一体的上钻杆和下钻杆；所述的上钻杆上设置有一组水平叶片；其特征在于：所述的下钻杆上设置有上下两组叶片，其中位于下钻杆上部的一组叶片为水平叶片；位于下钻杆下部的一组叶片的叶片为倾斜叶片，且所述倾斜叶片由与下钻杆连接的一端向下倾斜设置；所述的倾斜叶片上设有刀刃，并在所述刀刃下缘设有梳齿孔。本发明解决了切削土体困难，切削不均匀的问题；利用叶片倾斜设置，实现了钻进全覆盖切削，解决了水平叶片只能水平切削，存在切土盲区问题。
Drilling and cutting device for cement soil two-way mixing pile and drilling method
The invention belongs to the technical field of geological construction, and particularly relates to a drilling and cutting device for a cement soil two-way mixing pile in a special stratum and a drilling method. The drilling and cutting device for the cement soil two-way mixing pile in the special stratum is provided with an upper drill rod and a lower drill rod, wherein the upper drill rod and the lower drill rod are connected into a whole, and a group of horizontal blades are arranged on the upper drill rod. The drilling and cutting device is characterized in that an upper group of blades and a lower group of blades are arranged on the lower drill rod, and the group of blades which are located on the upper part of the lower drill rod are horizontal blades; the group of blades which are located on the lower part of the lower drill rod are inclined blades, and the inclined blades are inclined downwards from the ends connected with the lower drill rod; and cutting edges are arranged on the inclined blades, and comb tooth holes are formed in the lower edges of the cutting edges. According to the drilling and cutting device, the problems that soil is difficult to cut and cutting is uneven are solved; and the blades are inclined, so that the drilling full-coverage cutting is achieved, and the problems that the horizontal blades can only conduct horizontal cutting, and a soil cutting blind area exists are solved.
本发明属于地质施工技术领域，具体涉及一种特殊地层下水泥土双向搅拌桩钻进切削装置及钻进方法。涉及的一种特殊地层下水泥土双向搅拌桩钻进切削装置，切削装置具有连接一体的上钻杆和下钻杆；所述的上钻杆上设置有一组水平叶片；其特征在于：所述的下钻杆上设置有上下两组叶片，其中位于下钻杆上部的一组叶片为水平叶片；位于下钻杆下部的一组叶片的叶片为倾斜叶片，且所述倾斜叶片由与下钻杆连接的一端向下倾斜设置；所述的倾斜叶片上设有刀刃，并在所述刀刃下缘设有梳齿孔。本发明解决了切削土体困难，切削不均匀的问题；利用叶片倾斜设置，实现了钻进全覆盖切削，解决了水平叶片只能水平切削，存在切土盲区问题。
Drilling and cutting device for cement soil two-way mixing pile and drilling method
一种水泥土双向搅拌桩钻进切削装置及钻进方法
YANG LI (Autor:in) / WANG MING (Autor:in) / YU ANWEN (Autor:in) / SONG PING (Autor:in) / CUI YUFENG (Autor:in) / DUAN LIGANG (Autor:in) / LIU MING (Autor:in) / ZHANG ZHIPENG (Autor:in) / LIAO WENXIN (Autor:in) / XU PENGWEI (Autor:in)
02.11.2021
Patent
Elektronische Ressource
Chinesisch
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