JPH0342892U - - Google Patents
Info
- Publication number
- JPH0342892U JPH0342892U JP10394389U JP10394389U JPH0342892U JP H0342892 U JPH0342892 U JP H0342892U JP 10394389 U JP10394389 U JP 10394389U JP 10394389 U JP10394389 U JP 10394389U JP H0342892 U JPH0342892 U JP H0342892U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- spretsuda
- spring case
- side spring
- jack
- 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.)
- Granted
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図〜第４図は本考案の一実施例を示す図で
、第１図は第２図のＡ矢視図、第２図はシールド
ジヤツキ周辺部の側断面図、第３図は第２図のＢ
矢視図、第４図は第１図イ部の一部断面図で示し
た拡大図、第５図は本考案を適用するシールド掘
進機の中折れ時の状態を示す水平断面図、第６図
は従来技術の問題点を説明するための第５図右側
から見た図である。
１……前部シールド、２……後部シールド、３
……シールドジヤツキ、４……スプレツダ、５…
…後部シールドのスキンプレート、９……固定側
ばねケース、１０……可動側ばねケース、１１…
…押しばね、１２……ばねケース取付座。
Figures 1 to 4 are views showing one embodiment of the present invention, where Figure 1 is a view taken in the direction of arrow A in Figure 2, Figure 2 is a side sectional view of the surrounding area of the shield jack, and Figure 3 is a B in Figure 2
4 is an enlarged partial sectional view of part A in FIG. This figure is a view seen from the right side of FIG. 5 for explaining the problems of the prior art. 1...Front shield, 2...Rear shield, 3
...Shield Jatsuki, 4...Spretsuda, 5...
...Skin plate of rear shield, 9...Fixed side spring case, 10...Movable side spring case, 11...
...Press spring, 12...Spring case mounting seat.
Claims (1)
して結合し、シールドジヤツキを前部シールドに
保持させたシールド掘進機において、シールドジ
ヤツキのロツド先端に設けたスプレツダの中心線
をはさむ両側対称位置に押しばねを収納したばね
ケースを装備し、その固定側ばねケースをスプレ
ツダに取り付け、可動側ばねケースを後部シール
ドのスキンプレートに当接させたことを特徴とす
るシールド掘進機のスプレツダ回転防止装置。 In a shield excavator in which the front shield and rear shield are joined via a folding mechanism and the shield jack is held by the front shield, the symmetrical position on both sides of the center line of the spreader provided at the tip of the rod of the shield jack A spretsuda rotation prevention device for a shield excavator, characterized in that the fixed side spring case is attached to the spretsuda, and the movable side spring case is brought into contact with the skin plate of the rear shield. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10394389U JPH0712477Y2 (en) | 1989-09-06 | 1989-09-06 | Spreader rotation prevention device for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10394389U JPH0712477Y2 (en) | 1989-09-06 | 1989-09-06 | Spreader rotation prevention device for shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0342892U true JPH0342892U (en) | 1991-04-23 |
| JPH0712477Y2 JPH0712477Y2 (en) | 1995-03-22 |
Family
ID=31652756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10394389U Expired - Lifetime JPH0712477Y2 (en) | 1989-09-06 | 1989-09-06 | Spreader rotation prevention device for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0712477Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010068762A (en) * | 2000-01-10 | 2001-07-23 | 위성길 | Propelling Device for Laying Pipe under the Ground |
| JP2006274651A (en) * | 2005-03-29 | 2006-10-12 | Nishimatsu Constr Co Ltd | Shielding jack |
-
1989
- 1989-09-06 JP JP10394389U patent/JPH0712477Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010068762A (en) * | 2000-01-10 | 2001-07-23 | 위성길 | Propelling Device for Laying Pipe under the Ground |
| JP2006274651A (en) * | 2005-03-29 | 2006-10-12 | Nishimatsu Constr Co Ltd | Shielding jack |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0712477Y2 (en) | 1995-03-22 |