JPS63145991U - - Google Patents
Info
- Publication number
- JPS63145991U JPS63145991U JP3713387U JP3713387U JPS63145991U JP S63145991 U JPS63145991 U JP S63145991U JP 3713387 U JP3713387 U JP 3713387U JP 3713387 U JP3713387 U JP 3713387U JP S63145991 U JPS63145991 U JP S63145991U
- Authority
- JP
- Japan
- Prior art keywords
- hammer
- casing
- uneven portion
- chisel
- type excavator
- 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 3
- 238000009527 percussion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
第１図は本考案に係わる空圧打撃式掘進機の掘
進方向制御機構の一実施例を示す縦断側面図、第
２図は第１図の矢視―線に沿う縦断背面図、
第３図は第１図の矢印部分の拡大斜視図、第４
図，はその作用説明図、第５図は従来の空圧
打撃式掘進機を示す縦断側面図である。
１……ケーシング、２……チジエル、３……ハ
ンマー、４……外部給気管、５，１３，１４，１
５……ハンマー回転装置、〜……チジエル２
とハンマー３の打撃面に設けた凹凸部。
FIG. 1 is a longitudinal side view showing an embodiment of the excavation direction control mechanism of a pneumatic percussion excavator according to the present invention; FIG. 2 is a longitudinal rear view taken along the arrow line in FIG. 1;
Figure 3 is an enlarged perspective view of the arrowed part in Figure 1;
1 is an explanatory diagram of its operation, and FIG. 5 is a vertical side view showing a conventional pneumatic percussion type excavator. 1... Casing, 2... Chill, 3... Hammer, 4... External air supply pipe, 5, 13, 14, 1
5...Hammer rotation device, ~...Chijiel 2
and the uneven portion provided on the striking surface of the hammer 3.
Claims (1)
りハンマーをケーシング内に往復動させて、同ケ
ーシングの前端部に設けたチジエルを打撃するこ
とより前進を行う空圧打撃式掘進機において、前
記ハンマーと前記チジエルとの打撃面に凹凸部を
設け、前記ハンマーをその中心軸線を中心に回転
して同凹凸部の相対位置をずらすハンマー回転装
置を前記ケーシング内に設けたことを特徴とする
空圧打撃式掘進機の掘進方向制御機構。 In a pneumatic impact type excavator that moves forward by reciprocating a hammer within a casing using high-pressure air for excavation supplied from an external air supply pipe and striking a chisel provided at the front end of the casing, the hammer and A pneumatic impact blower characterized in that a hammer rotation device is provided in the casing to provide an uneven portion on the striking surface with the chisel, and rotate the hammer about its central axis to shift the relative position of the uneven portion. Excavation direction control mechanism of type excavator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3713387U JPS63145991U (en) | 1987-03-16 | 1987-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3713387U JPS63145991U (en) | 1987-03-16 | 1987-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63145991U true JPS63145991U (en) | 1988-09-27 |
Family
ID=30848183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3713387U Pending JPS63145991U (en) | 1987-03-16 | 1987-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63145991U (en) |
-
1987
- 1987-03-16 JP JP3713387U patent/JPS63145991U/ja active Pending