JPH0193282U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例に係る装置の断面図
、第２図は同上のスイベル装置の断面図、第３図
は同上の水平断面図、第４図は同上の空気管と排
出管の断面図、第５図は鋼管ケーシングを併用す
る場合の断面図、第６図ａ，ｂは場所打ち杭の形
成過程を示す断面図、第７図及び第８図は鋼管ケ
ーシングの一例を示す部分正面図と水平断面図で
あつて、３はシヤフト、４はオーガヘツド、５は
空気管、６は排出管、６０は受け皿を示す。 Fig. 1 is a sectional view of a device according to an embodiment of the present invention, Fig. 2 is a sectional view of the swivel device of the same, Fig. 3 is a horizontal sectional view of the same, and Fig. 4 is an air pipe and a discharge pipe of the same. Figure 5 is a cross-sectional view when steel pipe casing is used together, Figures 6 a and b are cross-sectional views showing the process of forming cast-in-place piles, and Figures 7 and 8 are examples of steel pipe casing. In the partial front view and horizontal sectional view, 3 shows the shaft, 4 shows the auger head, 5 shows the air pipe, 6 shows the discharge pipe, and 60 shows the saucer.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] オーガヘツドが下端に装着されて回転駆動され
るシヤフトと、シヤフトに併設された水管と空気
管と排出管と、集泥装置とからなり、掘削土砂の
泥水化用液体が供給される水管はその下端が開口
しており、空気が供給される空気管は下端が開口
した排出管の下端部に接続され、排出管の上端は
シヤフトの上部を取り巻く環状の受け皿に向けて
下方に屈曲され、上記集泥装置はこの受け皿に接
続されていることを特徴とする掘孔装置。 It consists of a shaft with an auger head attached to its lower end and driven to rotate, a water pipe, an air pipe, a discharge pipe attached to the shaft, and a mud collection device. is open, and the air pipe through which air is supplied is connected to the lower end of the discharge pipe whose lower end is open, and the upper end of the discharge pipe is bent downward toward the annular receiving tray surrounding the upper part of the shaft. A drilling device characterized in that a mud device is connected to this saucer.