JPH02125008U - - Google Patents
Info
- Publication number
- JPH02125008U JPH02125008U JP3219289U JP3219289U JPH02125008U JP H02125008 U JPH02125008 U JP H02125008U JP 3219289 U JP3219289 U JP 3219289U JP 3219289 U JP3219289 U JP 3219289U JP H02125008 U JPH02125008 U JP H02125008U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- tip
- carbide
- road surface
- pins
- 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 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 229910052742 iron Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 238000005553 drilling Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Road Repair (AREA)
- Earth Drilling (AREA)
Description
添付図面は本考案の実施例を示し、第１図は路
面堀削車の簡略化した平面図、第２図は第１図の
Ｘ−Ｘ′線に沿つた断面図、第３図は堀削用超硬
ビツドの簡略図、第４図は堀削用超硬ビツドを堀
削用ドラムのホルダーに差し込んだ断面図、第５
図は第４図のＳ部分の拡大図、第６図は使用途中
の第４図のＳ部分の拡大図であり、図中１は路面
堀削車、２は堀削用ドラム、３は路面堀削用超硬
ビツド、４はコンクリート、５は路床、６はホル
ダー、７は支持穴、８はスプリング、９は嵌合テ
ーパ穴、１０はビツド用チツプ、１１は超硬ピン
、１２はピン圧入穴、１３はビツド用チツプの本
体のコンクリート面との接触部分である。
The accompanying drawings show an embodiment of the present invention, in which Fig. 1 is a simplified plan view of a road excavation vehicle, Fig. 2 is a sectional view taken along the line A simplified diagram of the carbide bit for drilling, Figure 4 is a cross-sectional view of the carbide bit for drilling inserted into the holder of the drilling drum, and Figure 5 is a simplified diagram of the carbide bit for drilling.
The figure is an enlarged view of the S part of Fig. 4, and Fig. 6 is an enlarged view of the S part of Fig. 4 during use. Carbide bit for drilling, 4 is concrete, 5 is roadbed, 6 is holder, 7 is support hole, 8 is spring, 9 is fitting taper hole, 10 is bit tip, 11 is carbide pin, 12 is The pin press-fit hole 13 is the part of the body of the bit tip that comes into contact with the concrete surface.
Claims (1)
より成り、路面に当てて回転せしめることにより
、上記のビツド用チツプで路面を堀削する超硬ビ
ツドに於いて； 上記したビツド用チツプ１０を鉄系金属にする
と共に、このビツド用チツプ１０に所定の分布で
多数のピン穴１２を開口し、上記ピン穴１２に超
硬合金製のピン１１を圧入し、この圧入したピン
１１群をもつてビツド用チツプ１０としたことを
特徴とする路面堀削用超硬ビツド。[Claims for Utility Model Registration] In a carbide bit consisting of a bit body and a bit tip at the tip of the bit body, the bit tip excavates the road surface by applying it to the road surface and rotating it; The chip 10 for the bit is made of iron-based metal, and a large number of pin holes 12 are opened in this chip 10 in a predetermined distribution, and pins 11 made of cemented carbide are press-fitted into the pin holes 12. A carbide bit for road surface excavation, characterized in that a bit tip 10 has a group of 11 pins.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3219289U JPH02125008U (en) | 1989-03-22 | 1989-03-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3219289U JPH02125008U (en) | 1989-03-22 | 1989-03-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02125008U true JPH02125008U (en) | 1990-10-15 |
Family
ID=31535114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3219289U Pending JPH02125008U (en) | 1989-03-22 | 1989-03-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02125008U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5532900A (en) * | 1978-08-30 | 1980-03-07 | Elfgen Apex | Tool for paved layer cutter |
| JPS5972397A (en) * | 1982-09-17 | 1984-04-24 | ケンナメタル・インコ−ポレイテツド | Multiple insert cutter bit |
| JPS6471908A (en) * | 1987-09-14 | 1989-03-16 | Yoshihiro Nakayama | Roadbed surface grinder |
-
1989
- 1989-03-22 JP JP3219289U patent/JPH02125008U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5532900A (en) * | 1978-08-30 | 1980-03-07 | Elfgen Apex | Tool for paved layer cutter |
| JPS5972397A (en) * | 1982-09-17 | 1984-04-24 | ケンナメタル・インコ−ポレイテツド | Multiple insert cutter bit |
| JPS6471908A (en) * | 1987-09-14 | 1989-03-16 | Yoshihiro Nakayama | Roadbed surface grinder |
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