JPH0257306U - - Google Patents
Info
- Publication number
- JPH0257306U JPH0257306U JP13806488U JP13806488U JPH0257306U JP H0257306 U JPH0257306 U JP H0257306U JP 13806488 U JP13806488 U JP 13806488U JP 13806488 U JP13806488 U JP 13806488U JP H0257306 U JPH0257306 U JP H0257306U
- Authority
- JP
- Japan
- Prior art keywords
- vertical direction
- helical
- drive part
- spiral
- excavation
- 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
- 238000009412 basement excavation Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第1図は本考案の螺旋状掘進装置の側面図、第
2図及び、第3図は同掘進装置の作動状態を示す
説明図である。
A……トラクタ、1……昇降ヒツチ、M……掘
進装置、m……螺旋掘進刃、p……ピツチ。
FIG. 1 is a side view of the spiral excavation device of the present invention, and FIGS. 2 and 3 are explanatory diagrams showing the operating state of the same excavation device. A...Tractor, 1...Elevating hitch, M...Drilling device, m...Spiral digging blade, p...Pitch.
Claims (1)
下方向にスライド自在に取付け、同駆動部の下部
に螺旋掘進刃mを回転自在に取付けてなる螺旋状
掘進装置において、 垂直方向に伸びた螺旋掘進刃mの各ピツチpを
上端から下端にいくに従つて漸次大きく形成した
ことを特徴とする螺旋状掘進装置。[Scope of Claim for Utility Model Registration] In a spiral excavation device in which a drive part is attached to a support frame 2 that can be raised and lowered so as to be slidable in the vertical direction, and a helical excavation blade m is rotatably attached to the lower part of the drive part. A spiral excavation device characterized in that each pitch p of a helical excavation blade m extending in the vertical direction is formed to be gradually larger from the upper end to the lower end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13806488U JPH0257306U (en) | 1988-10-21 | 1988-10-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13806488U JPH0257306U (en) | 1988-10-21 | 1988-10-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0257306U true JPH0257306U (en) | 1990-04-25 |
Family
ID=31400057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13806488U Pending JPH0257306U (en) | 1988-10-21 | 1988-10-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0257306U (en) |
-
1988
- 1988-10-21 JP JP13806488U patent/JPH0257306U/ja active Pending