JPH0340336U - - Google Patents
Info
- Publication number
- JPH0340336U JPH0340336U JP9975889U JP9975889U JPH0340336U JP H0340336 U JPH0340336 U JP H0340336U JP 9975889 U JP9975889 U JP 9975889U JP 9975889 U JP9975889 U JP 9975889U JP H0340336 U JPH0340336 U JP H0340336U
- Authority
- JP
- Japan
- Prior art keywords
- sides
- excavation
- shafts
- rotates
- utility
- 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.)
- Pending
Links
- 238000005553 drilling Methods 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 4
Landscapes
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Description
第１図はこの考案の一実施例に係る掘削装置の
概略正面図、第２図は従来の掘削装置の概略正面
図、第３図は従来の掘削装置によつて掘削孔群を
連続して形成した場合における掘削孔の状態を示
す概略平面図である。
１１……両側の掘削軸、１２……中央の掘削軸
。
Fig. 1 is a schematic front view of a drilling rig according to an embodiment of this invention, Fig. 2 is a schematic front view of a conventional drilling rig, and Fig. 3 is a schematic front view of a drilling rig according to an embodiment of the present invention. It is a schematic plan view showing the state of the excavation hole when it is formed. 11...Drilling shaft on both sides, 12...Drilling shaft in the center.
Claims (1)
央の掘削軸１２に、上記両側の掘削軸１１，１１
より径大になつたものを用いたことを特徴とする
掘削装置。 The excavation shafts 11, 11 on both sides are connected to the central excavation shaft 12 which rotates in the opposite direction to the excavation shafts 11, 11 on both sides.
A drilling device characterized by using a device with a larger diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9975889U JPH0340336U (en) | 1989-08-26 | 1989-08-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9975889U JPH0340336U (en) | 1989-08-26 | 1989-08-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340336U true JPH0340336U (en) | 1991-04-18 |
Family
ID=31648799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9975889U Pending JPH0340336U (en) | 1989-08-26 | 1989-08-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340336U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336540B2 (en) * | 1983-03-23 | 1988-07-20 | Hitachi Ltd |
-
1989
- 1989-08-26 JP JP9975889U patent/JPH0340336U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6336540B2 (en) * | 1983-03-23 | 1988-07-20 | Hitachi Ltd |
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