JPH0321496U - - Google Patents
Info
- Publication number
- JPH0321496U JPH0321496U JP8006689U JP8006689U JPH0321496U JP H0321496 U JPH0321496 U JP H0321496U JP 8006689 U JP8006689 U JP 8006689U JP 8006689 U JP8006689 U JP 8006689U JP H0321496 U JPH0321496 U JP H0321496U
- Authority
- JP
- Japan
- Prior art keywords
- pressure water
- water injection
- cutaway
- dirt
- circumferential surface
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 238000009412 basement excavation Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案に係わるシールド掘削機の一実
施例を示す縦断側面図、第２図は第１図の矢印
方向からみた斜視図、第３図は高圧水噴射ノズル
の縦断側面図、第４図は高圧水スイベルの縦断側
面図、第５図は第４図の矢視−線に沿う縦断
正面図、第６図は曲線掘削時に必要な余掘り部を
示す正面図、第７図は従来のシールド掘削機を示
す縦断側面図、第８図は曲進掘削時に必要な余掘
り部を示す平面図である。
２……スキンプレート、４……カツタヘツド、
１０……余掘り部、１３……カツタチヤンバ、１
４……高圧水噴射ノズル、１５……高圧水噴射ノ
ズル側の高圧水供給通路、１６……高圧水スイペ
ル、１７……高圧水供給源から延びた高圧水供給
配管、１８，１９……土砂取込みスリツト機構。
Fig. 1 is a vertical side view showing one embodiment of a shield excavator according to the present invention, Fig. 2 is a perspective view seen from the direction of the arrow in Fig. 1, and Fig. 3 is a longitudinal side view of a high-pressure water injection nozzle. Figure 4 is a vertical side view of the high-pressure water swivel, Figure 5 is a vertical front view taken along the arrow line in Figure 4, Figure 6 is a front view showing the extra excavation required when excavating a curved line, and Figure 7 is a front view of the high-pressure water swivel. FIG. 8 is a longitudinal sectional side view showing a conventional shield excavator, and a plan view showing an over-digging portion required during curved excavation. 2...Skin plate, 4...Katsuta head,
10... extra digging part, 13... katsutachiyamba, 1
4...High-pressure water injection nozzle, 15...High-pressure water supply passage on the high-pressure water injection nozzle side, 16...High-pressure water swipel, 17...High-pressure water supply piping extending from the high-pressure water supply source, 18, 19... Earth and sand Intake slit mechanism.
Claims (1)
へ超高圧水を噴射する高圧水噴射ノズルを同円筒
状外周面に取付け、同各高圧水噴射ノズルと高圧
水供給源から延びた高圧水供給配管の先端部とを
高圧水スイベルにより接続し、上記各高圧水噴射
ノズルから噴射した高圧水により破砕された余掘
り部の土砂を取込んで後方へ導く土砂取込みスリ
ツト機構をカツタチヤンバの周りのスキンプレー
トに設けたことを特徴とするシールド掘削機。 High-pressure water injection nozzles that inject ultra-high pressure water radially outward from the cylindrical outer circumferential surface of the cut head are attached to the cylindrical outer circumferential surface, and each high-pressure water injection nozzle and high-pressure water supply piping extending from the high-pressure water supply source are The skin plate around the cutaway chamber is connected to the top end by a high-pressure water swivel, and a dirt-taking slit mechanism is installed on the skin plate around the cutaway chamber to take in the dirt in the excess excavation part that has been crushed by the high-pressure water sprayed from each of the high-pressure water injection nozzles and guide it to the rear. A shield excavator characterized by the following:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006689U JPH0321496U (en) | 1989-07-10 | 1989-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006689U JPH0321496U (en) | 1989-07-10 | 1989-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321496U true JPH0321496U (en) | 1991-03-04 |
Family
ID=31624790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8006689U Pending JPH0321496U (en) | 1989-07-10 | 1989-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020084608A (en) * | 2018-11-27 | 2020-06-04 | 鹿島建設株式会社 | Tunnel excavator and installation method of linear body in tunnel |
-
1989
- 1989-07-10 JP JP8006689U patent/JPH0321496U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020084608A (en) * | 2018-11-27 | 2020-06-04 | 鹿島建設株式会社 | Tunnel excavator and installation method of linear body in tunnel |
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