JPH0321498U - - Google Patents
Info
- Publication number
- JPH0321498U JPH0321498U JP8006589U JP8006589U JPH0321498U JP H0321498 U JPH0321498 U JP H0321498U JP 8006589 U JP8006589 U JP 8006589U JP 8006589 U JP8006589 U JP 8006589U JP H0321498 U JPH0321498 U JP H0321498U
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- closing window
- same side
- side opening
- head
- 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
- 230000008602 contraction Effects 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 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３，４図は側面カツタ装
置の縦断正面図、第５図は第１図の矢印方向か
らみた油圧シリンダの伸縮検出用近接スイツチの
正面図、第６図は同伸縮検出用近接スイツチの作
用説明図、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
部を示す説明図である。
３……カツタヘツド、１０……側面カツタ装置
、１２……翼状の側面カツタ、１４……側面開閉
窓、１８……カツタヘツド回転軸、１６……油圧
シリンダ。
FIG. 1 is a vertical side view showing an 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 FIGS. 3 and 4 are vertical front views of the side cutter device. Fig. 5 is a front view of the proximity switch for detecting expansion and contraction of the hydraulic cylinder as seen from the direction of the arrow in Fig. 1, Fig. 6 is an explanatory diagram of the operation of the proximity switch for detecting expansion and contraction, and Fig. 7 shows a conventional shield excavator. The vertical side view, FIG. 8, is an explanatory view showing the over-digging part required during curved excavation. 3... cutter head, 10... side cutter device, 12... wing-shaped side cutter, 14... side opening/closing window, 18... cutter head rotating shaft, 16... hydraulic cylinder.
Claims (1)
同側面開閉窓内に翼状の側面カツタをカツタヘツ
ド回転軸に平行な側面カツタ回転軸を中心とした
回転を可能に設け、同側面カツタを回転してその
先端部を上記側面開閉窓から外側へ突出させる油
圧シリンダを同側面カツタと上記カツタヘツドと
の間に設けたことを特徴とするシールド掘削機。 In addition to installing a side opening/closing window on the head,
A wing-shaped side cutter is provided in the same side opening/closing window so that it can rotate around a side cutter rotation axis parallel to the cutter head rotation axis, and the same side cutter is rotated so that its tip protrudes outward from the side opening/closing window. A shield excavator characterized in that a hydraulic cylinder is provided between the cutter on the same side and the cutter head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006589U JPH0321498U (en) | 1989-07-10 | 1989-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8006589U JPH0321498U (en) | 1989-07-10 | 1989-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0321498U true JPH0321498U (en) | 1991-03-04 |
Family
ID=31624787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8006589U Pending JPH0321498U (en) | 1989-07-10 | 1989-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321498U (en) |
-
1989
- 1989-07-10 JP JP8006589U patent/JPH0321498U/ja active Pending