JPH0165389U - - Google Patents
Info
- Publication number
- JPH0165389U JPH0165389U JP1987158622U JP15862287U JPH0165389U JP H0165389 U JPH0165389 U JP H0165389U JP 1987158622 U JP1987158622 U JP 1987158622U JP 15862287 U JP15862287 U JP 15862287U JP H0165389 U JPH0165389 U JP H0165389U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- shield jack
- jack
- segment
- fixed side
- 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
- 230000002265 prevention Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図〜第５図は本考案の一実施例を示し、第
１図および第２図はシールド掘進機の平面断面図
および側面断面図、第３図は第１図に示す―
矢視図、第４図ａ，ｂは第１図に示す部分拡大
図および第４図に示す―矢視図、第５図はシ
ールド掘進機の作用を示す平面断面図、第６図お
よび第７図はそれぞれ受圧部材の他の実施例を示
す斜視図、第８図および第９図は他のシールド掘
進機の実施例を示す正面断面図および連結ジヤツ
キを示す側面図、第１０図および第１１図は従来
例を示す概略平面断面図およびその動作を説明す
る平面断面図である。
１……前胴、２……後胴、３……シールド本体
、４……ピン、１５……シールドジヤツキ、１５
ａ……ジヤツキ本体、１５ｂ……作動体、１６…
…支持部材、１７……抜止め部材、１８……受圧
部材、２４……セグメント、２５……当接部材。
1 to 5 show an embodiment of the present invention, FIGS. 1 and 2 are a plan sectional view and a side sectional view of a shield tunneling machine, and FIG. 3 is shown in FIG. 1.
4a and 4b are partially enlarged views shown in FIG. 1, and FIG. 7 is a perspective view showing another embodiment of the pressure receiving member, FIGS. 8 and 9 are a front sectional view and a side view showing a connecting jack, and FIGS. FIG. 11 is a schematic cross-sectional plan view showing a conventional example and a cross-sectional plan view explaining its operation. 1... Front body, 2... Rear body, 3... Shield body, 4... Pin, 15... Shield jacket, 15
a... Jacket main body, 15b... Operating body, 16...
...Supporting member, 17... Removal prevention member, 18... Pressure receiving member, 24... Segment, 25... Contact member.
Claims (1)
た複数の胴からなるシールド本体を設け、セグメ
ント前部に外嵌する後端部側胴内に前後方向に移
動自在に支持された複数のシールドジヤツキを設
け、前部側胴内に、シールドジヤツキの固定側端
部に係合してシールドジヤツキを抜止めする抜止
め部材と、シールドジヤツキの固定側端面に摺動
自在に当接する受圧部材とを設け、シールドジヤ
ツキの作動側端部にセグメント前端部に当接可能
な当接部材を設けたことを特徴とするシールド掘
進機。 A shield main body consisting of a plurality of bodies divided into front and rear parts and connected to each other so as to be tiltable is provided, and a plurality of shield jacks are supported movably in the front and rear directions within the rear end side body which is fitted onto the front part of the segment. A retaining member that engages with the fixed side end of the shield jack to prevent the shield jack from coming out, and a pressure receiving member that slidably abuts on the fixed side end of the shield jack are provided in the front side body. 1. A shield excavator, characterized in that the shield jack is provided with an abutting member that can abut on the front end of the segment at the operating end of the shield jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158622U JPH0545670Y2 (en) | 1987-10-16 | 1987-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987158622U JPH0545670Y2 (en) | 1987-10-16 | 1987-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0165389U true JPH0165389U (en) | 1989-04-26 |
| JPH0545670Y2 JPH0545670Y2 (en) | 1993-11-24 |
Family
ID=31439112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987158622U Expired - Lifetime JPH0545670Y2 (en) | 1987-10-16 | 1987-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0545670Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61290196A (en) * | 1985-06-18 | 1986-12-20 | 川崎重工業株式会社 | Method of shielding propulsion construction |
| JPS62141296A (en) * | 1985-12-17 | 1987-06-24 | 日本鋼管株式会社 | Propulsion device for shield excavator |
-
1987
- 1987-10-16 JP JP1987158622U patent/JPH0545670Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0545670Y2 (en) | 1993-11-24 |