JPS62129498U - - Google Patents
Info
- Publication number
- JPS62129498U JPS62129498U JP1473086U JP1473086U JPS62129498U JP S62129498 U JPS62129498 U JP S62129498U JP 1473086 U JP1473086 U JP 1473086U JP 1473086 U JP1473086 U JP 1473086U JP S62129498 U JPS62129498 U JP S62129498U
- Authority
- JP
- Japan
- Prior art keywords
- bit
- base
- rotary cutter
- tapered surface
- receiving portion
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Description
第１図は本案のシールド機用カツターの掘削刃
及びビツト受入部の側面図、第２図は第１図の他
の実施例の側面図、第３図は分離用機構の実施例
の側面図、第４図は掘削刃挿入状態の斜視図、第
５図は地中掘進状態の側面図、第６図は第５図を
左方から見た正面図、第７図は従来のビツトの斜
視図、第８図は従来のビツトの平面図である。
１……シールド筒、２……回転カツター、３…
…ジヤツキ、４……アーム、５，６……テーパー
面、７……ビツト受入部、８……掘削刃、９……
基部、１０……分離用機構。
Figure 1 is a side view of the excavation blade and bit receiving part of the shield machine cutter of the present invention, Figure 2 is a side view of another embodiment of Figure 1, and Figure 3 is a side view of an embodiment of the separation mechanism. , Fig. 4 is a perspective view of the digging blade inserted, Fig. 5 is a side view of the excavation state, Fig. 6 is a front view of Fig. 5 seen from the left, and Fig. 7 is a perspective view of the conventional bit. 8 are plan views of conventional bits. 1... Shield tube, 2... Rotating cutter, 3...
...Jacket, 4...Arm, 5, 6...Tapered surface, 7...Bit receiving part, 8...Drilling blade, 9...
Base, 10... Separation mechanism.
Claims (1)
ジヤツキで推進させる地中掘進機において、回転
カツターのアームに前方に開くテーパー面を形成
したビツト受入部を設け、掘削刃の基部に上記テ
ーパー面の開き角と同一開き角のテーパー面を形
成し、同基部を上記受入部に嵌合し、かつ同受入
部と上記基維との分離用機構を形成してなるシー
ルド機用ビツト。 In an underground excavator in which a rotary cutter is provided at the front of a shield cylinder and the cylinder is propelled by a jack, a bit receiving part with a tapered surface that opens forward is provided on the arm of the rotary cutter, and the taper surface is attached to the base of the excavation blade. A bit for a shielding machine, the bit comprising: a tapered surface having the same opening angle as the base fiber; the base portion thereof being fitted into the receiving portion; and a mechanism for separating the receiving portion from the base fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1473086U JPS62129498U (en) | 1986-02-03 | 1986-02-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1473086U JPS62129498U (en) | 1986-02-03 | 1986-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129498U true JPS62129498U (en) | 1987-08-15 |
Family
ID=30804988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1473086U Pending JPS62129498U (en) | 1986-02-03 | 1986-02-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129498U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6047128A (en) * | 1983-07-26 | 1985-03-14 | アクチボラゲツト・ボツフオ−ス・ウエア・パ−ツ | Structure of abrasion part |
-
1986
- 1986-02-03 JP JP1473086U patent/JPS62129498U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6047128A (en) * | 1983-07-26 | 1985-03-14 | アクチボラゲツト・ボツフオ−ス・ウエア・パ−ツ | Structure of abrasion part |
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