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A platform for research: civil engineering, architecture and urbanism
Cutting drill for double-layer ground rotary-expanding circular platform construction and construction method
The invention provides a cutting drill for double-layer ground rotary-expanding circular platform construction and a construction method. The cutting drill comprises an outer bushing, a hydraulic cylinder, a sliding shaft, cutting blades, driving rods, and a fixed shaft; first long holes are formed in both the left and right sides of the outer bushing; second long holes are formed in the upper part of the front side face and the rear side face of the outer bushing; connecting holes are formed in the lower part of the front side face and the rear side face of the outer bushing; the hydraulic cylinder is installed on the upper end of the inside of the outer bushing; an extensible connecting rod is connected with the bottom of the hydraulic cylinder; the sliding shaft is vertically connectedwith the bottom of the extensible connecting rod; the front end and the rear end of the sliding shaft are respectively inserted into the second long holes; two cutting blades are provided and are connected with the sliding shaft in a hinged mode; the front end and the rear end of the fixed shaft are inserted in the connecting holes; two driving rods are provided and are arranged between the two cutting blades and the fixed shaft; the upper ends of the driving rods are connected with the cutting blades respectively in a hinged mode; and the lower ends of the driving rods are connected with thefixed shaft in a hinged mode. The cutting drill for double-layer ground rotary-expanding circular platform construction and the construction method solve the technical problems of soil compacting effect, easy hole collapse, reduced diameter, and lower construction efficiency in the traditional construction method.
一种用于双层地基旋扩圆台桩施工的切削钻头及施工方法，包括外套管、液压缸、滑动轴、切削刃片、驱动杆和固定轴；外套管左右两侧开有第一长条孔；外套管前侧面和后侧面的上部开有第二长条孔；外套管前侧面和后侧面下部开有连接孔；液压缸安装在外套管内部上端位置；液压缸底部连接伸缩连杆；滑动轴纵向连接在伸缩连杆底部；滑动轴前后端分别插在第二长条孔中；切削刃片有两个，与滑动轴铰接连接；固定轴前后端插在连接孔中；驱动杆有两个，设在两个切削刃片与固定轴之间；驱动杆上端与切削刃片铰接连接，驱动杆下端与固定轴铰接连接。本发明解决了利用传统方法施工存在挤土效应、易造成塌孔、缩径和施工效率低的技术问题。
Cutting drill for double-layer ground rotary-expanding circular platform construction and construction method
The invention provides a cutting drill for double-layer ground rotary-expanding circular platform construction and a construction method. The cutting drill comprises an outer bushing, a hydraulic cylinder, a sliding shaft, cutting blades, driving rods, and a fixed shaft; first long holes are formed in both the left and right sides of the outer bushing; second long holes are formed in the upper part of the front side face and the rear side face of the outer bushing; connecting holes are formed in the lower part of the front side face and the rear side face of the outer bushing; the hydraulic cylinder is installed on the upper end of the inside of the outer bushing; an extensible connecting rod is connected with the bottom of the hydraulic cylinder; the sliding shaft is vertically connectedwith the bottom of the extensible connecting rod; the front end and the rear end of the sliding shaft are respectively inserted into the second long holes; two cutting blades are provided and are connected with the sliding shaft in a hinged mode; the front end and the rear end of the fixed shaft are inserted in the connecting holes; two driving rods are provided and are arranged between the two cutting blades and the fixed shaft; the upper ends of the driving rods are connected with the cutting blades respectively in a hinged mode; and the lower ends of the driving rods are connected with thefixed shaft in a hinged mode. The cutting drill for double-layer ground rotary-expanding circular platform construction and the construction method solve the technical problems of soil compacting effect, easy hole collapse, reduced diameter, and lower construction efficiency in the traditional construction method.
一种用于双层地基旋扩圆台桩施工的切削钻头及施工方法，包括外套管、液压缸、滑动轴、切削刃片、驱动杆和固定轴；外套管左右两侧开有第一长条孔；外套管前侧面和后侧面的上部开有第二长条孔；外套管前侧面和后侧面下部开有连接孔；液压缸安装在外套管内部上端位置；液压缸底部连接伸缩连杆；滑动轴纵向连接在伸缩连杆底部；滑动轴前后端分别插在第二长条孔中；切削刃片有两个，与滑动轴铰接连接；固定轴前后端插在连接孔中；驱动杆有两个，设在两个切削刃片与固定轴之间；驱动杆上端与切削刃片铰接连接，驱动杆下端与固定轴铰接连接。本发明解决了利用传统方法施工存在挤土效应、易造成塌孔、缩径和施工效率低的技术问题。
Cutting drill for double-layer ground rotary-expanding circular platform construction and construction method
一种用于双层地基旋扩圆台桩施工的切削钻头及施工方法
ZHOU YUQI (author) / LIU WEIWEI (author) / MA SHUJIE (author) / NIE YANXIA (author) / XIE ZHICHENG (author) / SHI JIANGCHUAN (author) / ZHAO XIAOBIN (author)
2020-07-28
Patent
Electronic Resource
Chinese
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