JPH01160087U - - Google Patents
Info
- Publication number
- JPH01160087U JPH01160087U JP5535288U JP5535288U JPH01160087U JP H01160087 U JPH01160087 U JP H01160087U JP 5535288 U JP5535288 U JP 5535288U JP 5535288 U JP5535288 U JP 5535288U JP H01160087 U JPH01160087 U JP H01160087U
- Authority
- JP
- Japan
- Prior art keywords
- excavator
- rotational direction
- view
- cutter bit
- bit
- 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
- 238000010586 diagram Methods 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は、この考案のビツトの一実施例を示す
平面図、第２図はその側面図、第３図は正面図、
第４図は他の実施例の平面図、第５図はシールド
トンネル掘進機の概要を示す正面図、第６図はそ
の要部の側面視断面図、第７図及び第８図は従来
ビツトの斜視図、第９図はナイフカツタの斜視図
、第１０図ａは本考案ビツトの、同図ｂ，ｃは従
来ビツトの、同図ｄはナイフカツタの各掘削状態
を示す線図である。
１０……ビツト、１１……シヤンク、１２……
刃部、１３……山形の刃先、１４……稜線、１５
……ボルト孔、１６……キー溝、α……すくい角
、γ……逃げ角、θ……１３の山の角度、β……
シヤンクの屈曲角。
Figure 1 is a plan view showing an embodiment of the bit of this invention, Figure 2 is its side view, Figure 3 is its front view,
Fig. 4 is a plan view of another embodiment, Fig. 5 is a front view showing an overview of the shield tunneling machine, Fig. 6 is a side cross-sectional view of its main parts, and Figs. 7 and 8 are conventional bit tunneling machines. FIG. 9 is a perspective view of a knife cutter, FIG. 10a is a diagram showing the bit of the present invention, FIGS. 10b and 10c are diagrams of a conventional bit, and FIG. 10...bit, 11...shank, 12...
Blade portion, 13...Chevron-shaped cutting edge, 14...Ridge line, 15
...Bolt hole, 16...Keyway, α...Rake angle, γ...Relief angle, θ...Angle of the peak of 13, β...
shank bending angle.
Claims (1)
掘削機或いは掘進機用のカツタービツトにおいて
、超硬材料で形成される刃部をシヤンクの前後（
回転方向両端部）に設け、かつ、それぞれの刃部
には、回転方向視図において山形をなす刃先を並
列に２個以上設けたことを特徴とするカツタービ
ツト。 In a cutter bit for an excavator or excavator that excavates while rotating the cutter head forward and backward, the blade part made of carbide material is attached to the front and back of the shank (
A cutter bit provided at both ends in the rotational direction), and each blade portion is provided with two or more cutting edges that form a chevron in parallel when viewed in the rotational direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5535288U JPH01160087U (en) | 1988-04-25 | 1988-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5535288U JPH01160087U (en) | 1988-04-25 | 1988-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160087U true JPH01160087U (en) | 1989-11-07 |
Family
ID=31281253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5535288U Pending JPH01160087U (en) | 1988-04-25 | 1988-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160087U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006009538A (en) * | 2004-06-23 | 2006-01-12 | Sanwa Kizai Co Ltd | Excavating bit and excavating head |
| JP2015001112A (en) * | 2013-06-17 | 2015-01-05 | 株式会社丸和技研 | Casing bit and casing pipe |
| JP2015098755A (en) * | 2013-11-18 | 2015-05-28 | 三和機材株式会社 | Enlargement excavation device attached with kensaki bit with a plurality of ridges |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60156900A (en) * | 1984-01-25 | 1985-08-17 | 石川島播磨重工業株式会社 | Reinforced concrete drilling method and apparatus by mechanical shield |
-
1988
- 1988-04-25 JP JP5535288U patent/JPH01160087U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60156900A (en) * | 1984-01-25 | 1985-08-17 | 石川島播磨重工業株式会社 | Reinforced concrete drilling method and apparatus by mechanical shield |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006009538A (en) * | 2004-06-23 | 2006-01-12 | Sanwa Kizai Co Ltd | Excavating bit and excavating head |
| JP2015001112A (en) * | 2013-06-17 | 2015-01-05 | 株式会社丸和技研 | Casing bit and casing pipe |
| JP2015098755A (en) * | 2013-11-18 | 2015-05-28 | 三和機材株式会社 | Enlargement excavation device attached with kensaki bit with a plurality of ridges |