JPS59192981U - Expanded auger head for medium excavation method - Google Patents
Expanded auger head for medium excavation methodInfo
- Publication number
- JPS59192981U JPS59192981U JP8565383U JP8565383U JPS59192981U JP S59192981 U JPS59192981 U JP S59192981U JP 8565383 U JP8565383 U JP 8565383U JP 8565383 U JP8565383 U JP 8565383U JP S59192981 U JPS59192981 U JP S59192981U
- Authority
- JP
- Japan
- Prior art keywords
- main body
- pair
- separated
- excavation method
- auger head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の一実施例を示し、第１図は正面図、第２
図は側面図、第３図は拡開状態を示す正面図である。
１・・・・・・本体、２・・・・・・空洞部、３，３ａ
・・・・・・噴出口、４，４ａ・・・・・・螺旋翼、５
，５ａ・・・・・・規制板、６゜６ａ、７，７ａ・・・
・・・ストッパー、８，８ａ・・・・・・ブラケット、
９． ９ａ・・・・・・拡大ビット、１１．１１ａ・・
・・・・バネ、１３・・・・・・先端掘削刃。The drawings show one embodiment of the present invention, with Figure 1 being a front view and Figure 2 being a front view.
The figure is a side view, and FIG. 3 is a front view showing the expanded state. 1...Main body, 2...Cavity part, 3, 3a
・・・・・・Ejection port, 4, 4a ・・・・Spiral blade, 5
, 5a...Regulation plate, 6°6a, 7, 7a...
...stopper, 8,8a...bracket,
9. 9a...Expansion bit, 11.11a...
...Spring, 13...Tip drilling blade.
Claims (1)
てなる有底筒状の本体に一対の分断された螺旋翼を設け
、この螺旋波の分断箇所の本体外周にその切線方向に向
う一対の規制板を対称関係に設け、このそれぞれの規制
板に上下ストッパーを設けると共に、この上下ストッパ
ーに規制される一対の拡大ビットを本体に枢支し、この
拡大ビットを本体に拡縮自在に設けると共に、その枢支
部を支点として前記本体の切線方向に対して僅か揺動す
るようにしたことを特徴とする中掘工法用の拡大オーガ
ーヘッド。A pair of separated helical blades are provided in a bottomed cylindrical main body having a hollow part and a plurality of jet ports communicating with the hollow part, and a pair of separated spiral blades are provided on the outer periphery of the main body at the part where the spiral wave is separated, facing in the tangential direction. A pair of regulation plates are provided in a symmetrical relationship, each regulation plate is provided with a top and bottom stopper, and a pair of enlarged bits regulated by the top and bottom stoppers are pivotally supported on the main body, and the enlarged bits are provided on the main body so as to be freely expandable and contractible. Further, an enlarged auger head for use in a medium excavation method, characterized in that the pivot portion is used as a fulcrum to swing slightly with respect to the cutting line direction of the main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8565383U JPS59192981U (en) | 1983-06-03 | 1983-06-03 | Expanded auger head for medium excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8565383U JPS59192981U (en) | 1983-06-03 | 1983-06-03 | Expanded auger head for medium excavation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192981U true JPS59192981U (en) | 1984-12-21 |
| JPS6323506Y2 JPS6323506Y2 (en) | 1988-06-28 |
Family
ID=30215618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8565383U Granted JPS59192981U (en) | 1983-06-03 | 1983-06-03 | Expanded auger head for medium excavation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192981U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004324274A (en) * | 2003-04-25 | 2004-11-18 | Nippon Koatsu Concrete Kk | Fluid jetting device of auger drill |
| JP2018091094A (en) * | 2016-12-06 | 2018-06-14 | 三谷セキサン株式会社 | Pile hole drilling head |
-
1983
- 1983-06-03 JP JP8565383U patent/JPS59192981U/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004324274A (en) * | 2003-04-25 | 2004-11-18 | Nippon Koatsu Concrete Kk | Fluid jetting device of auger drill |
| JP2018091094A (en) * | 2016-12-06 | 2018-06-14 | 三谷セキサン株式会社 | Pile hole drilling head |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6323506Y2 (en) | 1988-06-28 |
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