JPH0229992U - - Google Patents
Info
- Publication number
- JPH0229992U JPH0229992U JP10730888U JP10730888U JPH0229992U JP H0229992 U JPH0229992 U JP H0229992U JP 10730888 U JP10730888 U JP 10730888U JP 10730888 U JP10730888 U JP 10730888U JP H0229992 U JPH0229992 U JP H0229992U
- Authority
- JP
- Japan
- Prior art keywords
- body part
- shield excavator
- rear body
- sliding contact
- center
- 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
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000008602 contraction Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
簡略縦断側面図、第２図はその縦断正面図、第３
図は摺接部の拡大断面図である。
１……シールド本体、１ａ……前胴部、１ｂ…
…後胴部、１ｃ……テール部、２……摺接部、５
，６……前後部中折ジヤツキ、１２……連結装置
、１４……ジヤツキ、１４ａ……ロツド、１５…
…嵌合凹所。
The drawings show an embodiment of the present invention, and FIG. 1 is a simplified vertical side view, FIG. 2 is a vertical front view, and FIG.
The figure is an enlarged sectional view of the sliding contact portion. 1...Shield body, 1a...Front body part, 1b...
...Rear body part, 1c...Tail part, 2...Sliding contact part, 5
, 6... Front and rear folding jack, 12... Connection device, 14... Jacket, 14a... Rod, 15...
...Mating recess.
Claims (1)
１ｂとに分割し、該後胴部１ｂの前端部外周面を
前胴部１ａの後端部内周面に屈折自在に摺接させ
ると共にこれらの前後胴部１ａ，１ｂ間を複数個
の方向制御用中折ジヤツキ５，５で連結し、さら
に、前記摺接部における数個所に前後胴部１ａ，
１ｂ間を固定する連結装置１２を配設してなるこ
とを特徴とする中折式シールド掘削機。 連結装置１２は前胴部１ａにジヤツキ１４を
そのロツドが摺接部側に向かつて進退自在となる
ように固着する一方、後胴部１ｂの内周面に該ロ
ツドを挿脱させる嵌合凹所１５を設けてなる請求
項記載の中折式シールド掘削機。 連結装置１２のジヤツキ１４にそのロツドの
伸縮量を検出するセンサー１６を設けた請求項
又は記載の中折式シールド掘削機。 連結装置１２は前記摺接部の左右に設けられ
、該摺接部の上下には後胴部１ｂに対して前胴部
１ａを左右首振り自在に枢着した固定枢着ピン１
７，１７を設けている請求項，又は記載の
中折式シールド掘削機。[Claims for Utility Model Registration] The main body 1 of the shield excavator is divided into a front body part 1a and a rear body part 1b, and the outer circumferential surface of the front end of the rear body part 1b is the inner circumferential surface of the rear end of the front body part 1a. The front and rear body parts 1a, 1b are brought into sliding contact with each other in a bendable manner, and the front and rear body parts 1a, 1b are connected by a plurality of center-folding jacks 5, 5 for direction control.
A middle-folding shield excavator characterized by being provided with a connecting device 12 for fixing between 1b and 1b. The coupling device 12 fixes a jack 14 to the front body part 1a so that the rod can move forward and backward toward the sliding contact side, and has a fitting recess on the inner peripheral surface of the rear body part 1b for inserting and removing the rod. A center-folding shield excavator according to claim 1, further comprising a slot 15. A center-folding shield excavator according to claim 1, wherein the jack 14 of the coupling device 12 is provided with a sensor 16 for detecting the amount of expansion and contraction of the rod. The connecting devices 12 are provided on the left and right sides of the sliding contact portion, and fixed pivot pins 1 are provided above and below the sliding contact portion, and the front body portion 1a is pivotally connected to the rear body portion 1b so as to be swingable from side to side.
7, 17. A center-folding shield excavator as claimed or described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10730888U JPH0229992U (en) | 1988-08-13 | 1988-08-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10730888U JPH0229992U (en) | 1988-08-13 | 1988-08-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0229992U true JPH0229992U (en) | 1990-02-26 |
Family
ID=31341604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10730888U Pending JPH0229992U (en) | 1988-08-13 | 1988-08-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0229992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622988A (en) * | 1985-06-29 | 1987-01-08 | 株式会社 タカラ | Telephone toy |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282198A (en) * | 1985-10-07 | 1987-04-15 | 東京電力株式会社 | Middle bent type shield excavator and its operation |
-
1988
- 1988-08-13 JP JP10730888U patent/JPH0229992U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6282198A (en) * | 1985-10-07 | 1987-04-15 | 東京電力株式会社 | Middle bent type shield excavator and its operation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS622988A (en) * | 1985-06-29 | 1987-01-08 | 株式会社 タカラ | Telephone toy |
| JPH0439350B2 (en) * | 1985-06-29 | 1992-06-29 |
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