JPH0450489U - - Google Patents
Info
- Publication number
- JPH0450489U JPH0450489U JP9072990U JP9072990U JPH0450489U JP H0450489 U JPH0450489 U JP H0450489U JP 9072990 U JP9072990 U JP 9072990U JP 9072990 U JP9072990 U JP 9072990U JP H0450489 U JPH0450489 U JP H0450489U
- Authority
- JP
- Japan
- Prior art keywords
- point
- adapter
- tongue
- lock pin
- tip
- 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
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000005552 hardfacing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
- Earth Drilling (AREA)
Description
第１図は本考案品の掘削時の断面図、第２図は
同引抜時の断面図、第３図は第１図のＡ−Ａ断面
図、第４図は掘削時の作用の説明図、第５図の引
抜時の作用の説明図、第６図は一般的な端部に掘
削歯を有するケーシングの斜視図、第７図は第６
図の要部の拡大図、第８図は第７図のＢ−Ｂ断面
図である。
１……ケーシング本体、２……歯先、３……コ
マ、４……ハードフエーシング、５……アダプタ
ー部、６……溶接、７……斜面、８……湾曲穴、
９……ポイント部、９′……歯先、１０……舌部
、１１……貫通孔、１２……ロツクピン、１３…
…ロツクピンワツシヤ、１４……土砂。
Figure 1 is a sectional view of the product of the present invention during excavation, Figure 2 is a sectional view when it is pulled out, Figure 3 is a sectional view taken along line A-A in Figure 1, and Figure 4 is an explanatory diagram of the action during excavation. , Fig. 5 is an explanatory diagram of the action during extraction, Fig. 6 is a perspective view of a casing having general drilling teeth at the end, and Fig. 7 is an explanatory diagram of the action during extraction.
FIG. 8 is an enlarged view of the main part of the figure, and is a sectional view taken along line BB in FIG. 7. 1... Casing body, 2... Tooth tip, 3... Piece, 4... Hard facing, 5... Adapter part, 6... Welding, 7... Slope, 8... Curved hole,
9... Point part, 9'... Tooth tip, 10... Tongue part, 11... Through hole, 12... Lock pin, 13...
...Lock pin washer, 14...Earth and sand.
Claims (1)
の歯先部を、内面側を勾配面としたアダプター部
と、これに沿う形状のポイント部とに分割し得る
ように構成し、これらポイント部とアダプター部
とは、アダプター部の前記勾配面に設けた湾曲穴
に嵌合するポイント部舌部とロツクピンとによつ
て連結し、該連結はポイント部舌部に穿設した上
下方向にゆとりのある貫通孔に、アダプター部か
らロツクピンを貫通せしめることにより行い、ポ
イント部の先端内外方向は揺動し得る如くしてな
ることを特徴とする掘削歯。 A plurality of tooth tips provided at the tip of a casing for an underground excavation machine are configured so that they can be divided into an adapter part whose inner surface is a sloped surface and a point part shaped to follow this, and these point parts and The adapter part is connected by a point part tongue part that fits into a curved hole provided in the sloped surface of the adapter part and a lock pin, and the connection is made by a point part tongue part bored in the point part tongue part with a space in the vertical direction. A digging tooth characterized in that the cutting tooth is formed by passing a lock pin from an adapter part through the through hole, and the tip of the point part is made swingable in the inward and outward directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9072990U JPH0724470Y2 (en) | 1990-08-31 | 1990-08-31 | Drilling tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9072990U JPH0724470Y2 (en) | 1990-08-31 | 1990-08-31 | Drilling tooth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0450489U true JPH0450489U (en) | 1992-04-28 |
| JPH0724470Y2 JPH0724470Y2 (en) | 1995-06-05 |
Family
ID=31825720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9072990U Expired - Fee Related JPH0724470Y2 (en) | 1990-08-31 | 1990-08-31 | Drilling tooth |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0724470Y2 (en) |
-
1990
- 1990-08-31 JP JP9072990U patent/JPH0724470Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0724470Y2 (en) | 1995-06-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |