JPH02109889U - - Google Patents
Info
- Publication number
- JPH02109889U JPH02109889U JP1688389U JP1688389U JPH02109889U JP H02109889 U JPH02109889 U JP H02109889U JP 1688389 U JP1688389 U JP 1688389U JP 1688389 U JP1688389 U JP 1688389U JP H02109889 U JPH02109889 U JP H02109889U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- opening
- brake plate
- putting
- taking out
- 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
- 230000005641 tunneling Effects 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案の一実施例を示す側面図、第２
図は第１図のＡ―Ａ断面図、第３図は従来のシー
ルド掘進機のセグメント組立時の状態を示す側断
面図である。
１……シールド本体、７……ブレーキ板、８…
…ブレーキ板出し入れ用開口部、１０……駆動装
置である油圧ジヤツキ。
Figure 1 is a side view showing one embodiment of the present invention;
The figure is a sectional view taken along the line AA in FIG. 1, and FIG. 3 is a side sectional view showing the state of a conventional shield tunneling machine when the segments are assembled. 1... Shield body, 7... Brake plate, 8...
...Opening for putting in and taking out the brake plate, 10...Hydraulic jack that is the drive device.
Claims (1)
の開口部を設け、この開口部からシールド外に突
き出したりシールド内に引き入れたりできるよう
に、駆動装置により操作されるブレーキ板を装備
したことを特徴とするシールド掘進機の後退防止
装置。 An opening for putting in and taking out the brake plate is provided on the outer periphery of the shield body, and the brake plate is operated by a drive device so that it can be protruded from the opening or pulled into the shield. Backward prevention device for shield tunneling machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1688389U JPH02109889U (en) | 1989-02-17 | 1989-02-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1688389U JPH02109889U (en) | 1989-02-17 | 1989-02-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02109889U true JPH02109889U (en) | 1990-09-03 |
Family
ID=31230199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1688389U Pending JPH02109889U (en) | 1989-02-17 | 1989-02-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02109889U (en) |
-
1989
- 1989-02-17 JP JP1688389U patent/JPH02109889U/ja active Pending
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