JPS62129467U - - Google Patents
Info
- Publication number
- JPS62129467U JPS62129467U JP1779186U JP1779186U JPS62129467U JP S62129467 U JPS62129467 U JP S62129467U JP 1779186 U JP1779186 U JP 1779186U JP 1779186 U JP1779186 U JP 1779186U JP S62129467 U JPS62129467 U JP S62129467U
- Authority
- JP
- Japan
- Prior art keywords
- cutting edge
- tip
- point
- base metal
- civil engineering
- 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
- 239000010953 base metal Substances 0.000 claims description 3
- 238000005553 drilling Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000009412 basement excavation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
Description
第１図は本考案の掘削刃で岩盤を掘削する状況
を示す模式図、第２図は従来の掘削刃による掘削
模式図、第３図は従来のリツパーポイントの側面
図イと正面図ロであり、第４図は本考案のリツパ
ーポイントのイ側面図とロ正面図であり、第５図
は第４図ロのＡ―Ａ断面図及び第６図は第４図イ
のＢ，Ｃ方向から見た刃先正面図である。
１：リツパーポイント（掘削刃）、２：硬質チ
ツプ、３：シヤンク、４：締止ピン、５：内部ソ
ケツト、６，８：台金、７：岩盤、２′，９：先
端部。
Figure 1 is a schematic diagram showing the situation in which rock is excavated with the excavation blade of the present invention, Figure 2 is a schematic diagram of excavation with a conventional excavation blade, and Figure 3 is a side view and front view of a conventional ripper point. 4 is a side view and a front view of the ripper point of the present invention, FIG. 5 is a sectional view taken along line AA in FIG. It is a front view of the cutting edge seen from direction C. 1: Ripper point (drilling blade), 2: Hard tip, 3: Shank, 4: Locking pin, 5: Internal socket, 6, 8: Base metal, 7: Rock, 2', 9: Tip.
Claims (1)
取付けられるリツパーポイントにおいて、該リツ
パーポイントの刃先先端部に鋼製台金より硬度の
高い超硬合金製硬質チツプが該台金に固着され、
掘削方向形状は、シヤンクと締合するための内部
ソケツトが形成され、これから刃先先端部に向つ
て幅が狭くなつており、刃先部の側面は掘削方向
の上記幅より充分に広く、刃先部分のすくい面に
は１０°〜４５°の角度の山型が形成され、又逃
げ面にも同様の角度がついてそれらの交線が一点
に交るように形成されていることを特徴とする土
木機械用掘削爪。 In a ripper point that is replaceably attached to a hard soil splitting device for civil engineering work machines, a hard chip made of cemented carbide, which is harder than a steel base metal, is fixed to the base metal at the tip of the cutting edge of the ripper point. is,
The shape in the digging direction has an internal socket for tightening with the shank, and the width becomes narrower towards the tip of the cutting edge.The sides of the cutting edge are sufficiently wider than the above width in the digging direction. A civil engineering machine characterized in that the rake face is formed with a chevron with an angle of 10° to 45°, and the flank face is also formed with a similar angle so that the intersection line intersects at one point. For drilling nails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986017791U JPH0417647Y2 (en) | 1986-02-10 | 1986-02-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986017791U JPH0417647Y2 (en) | 1986-02-10 | 1986-02-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62129467U true JPS62129467U (en) | 1987-08-15 |
| JPH0417647Y2 JPH0417647Y2 (en) | 1992-04-20 |
Family
ID=30810868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986017791U Expired JPH0417647Y2 (en) | 1986-02-10 | 1986-02-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0417647Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009506232A (en) * | 2005-08-24 | 2009-02-12 | ジエームス エイ カルダーウツド | Vertical saw boot |
| JP2014531545A (en) * | 2011-10-08 | 2014-11-27 | キャタピラー インコーポレイテッドＣａｔｅｒｐｉｌｌａｒ Ｉｎｃｏｒｐｏｒａｔｅｄ | Claw assembly for ground engaging device with tip and adapter |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3341253A (en) * | 1964-11-13 | 1967-09-12 | Joseph F Brunner Jr | Ripper apparatus and method of using same |
| US3844619A (en) * | 1971-04-30 | 1974-10-29 | Gewerk Eisenhuette Westfalia | Cutter devices for use in mineral mining |
| GB1484047A (en) * | 1973-12-17 | 1977-08-24 | Caterpillar Tractor Co | Ripper tip |
-
1986
- 1986-02-10 JP JP1986017791U patent/JPH0417647Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3341253A (en) * | 1964-11-13 | 1967-09-12 | Joseph F Brunner Jr | Ripper apparatus and method of using same |
| US3844619A (en) * | 1971-04-30 | 1974-10-29 | Gewerk Eisenhuette Westfalia | Cutter devices for use in mineral mining |
| GB1484047A (en) * | 1973-12-17 | 1977-08-24 | Caterpillar Tractor Co | Ripper tip |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009506232A (en) * | 2005-08-24 | 2009-02-12 | ジエームス エイ カルダーウツド | Vertical saw boot |
| JP4820414B2 (en) * | 2005-08-24 | 2011-11-24 | ジエームス エイ カルダーウツド | Vertical saw boot |
| JP2014531545A (en) * | 2011-10-08 | 2014-11-27 | キャタピラー インコーポレイテッドＣａｔｅｒｐｉｌｌａｒ Ｉｎｃｏｒｐｏｒａｔｅｄ | Claw assembly for ground engaging device with tip and adapter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0417647Y2 (en) | 1992-04-20 |
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