JPH0340391U - - Google Patents
Info
- Publication number
- JPH0340391U JPH0340391U JP10223589U JP10223589U JPH0340391U JP H0340391 U JPH0340391 U JP H0340391U JP 10223589 U JP10223589 U JP 10223589U JP 10223589 U JP10223589 U JP 10223589U JP H0340391 U JPH0340391 U JP H0340391U
- Authority
- JP
- Japan
- Prior art keywords
- frame
- radial direction
- cam ring
- shield machine
- displacement means
- 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
- 238000006073 displacement reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図はシールド機の概略断面図、第２図はフ
レーム部材の斜視図、第３図はフレーム部材とカ
ム環の係合状態の説明図、第４図は補助テールを
取着した場合の概略図である。
尚図中、１……シールド機、３……フレーム、
５……カツター部、１７……フレーム前部、１９
……後方のフレーム部分、３９……フレーム部材
、４５……カム環、４５Ａ……カム面である。
Figure 1 is a schematic sectional view of the shield machine, Figure 2 is a perspective view of the frame member, Figure 3 is an explanatory diagram of the engaged state of the frame member and cam ring, and Figure 4 is the state in which the auxiliary tail is attached. It is a schematic diagram. In the figure, 1...shield machine, 3...frame,
5... Cutter part, 17... Frame front part, 19
... Rear frame portion, 39 ... Frame member, 45 ... Cam ring, 45A ... Cam surface.
Claims (1)
回転可能に配置されたカツター部とを備えたシー
ルド機において、 前記フレームを、カツター部を支持するフレー
ム前部と、その後方のフレーム部分とで構成し、 前記後方のフレーム部分を、前端が前記フレー
ム前部に枢支され、後端がフレームの径方向に変
位可能な複数のフレーム部材で構成し、 前記複数のフレーム部材の内側に、該フレーム
部材の後端を径方向に変位させる変位手段を設け
た、 ことを特徴とするシールド機のフレーム構造。 (2) 前記変位手段は各フレーム部材に係合する
複数のカム面が形成されたカム環と、このカム環
を回動する回動手段とから構成されている請求項
１記載のシールド機のフレーム構造。[Claims for Utility Model Registration] (1) In a shield machine comprising a cylindrical frame and a cutter section rotatably disposed at the front end of the frame, the frame is connected to a frame front section that supports the cutter section. and a frame portion at the rear thereof, and the rear frame portion is constituted by a plurality of frame members whose front ends are pivotally supported by the front portion of the frame and whose rear ends are movable in the radial direction of the frame, A frame structure for a shield machine, characterized in that displacement means for displacing the rear ends of the frame members in the radial direction is provided inside the plurality of frame members. (2) The shielding machine according to claim 1, wherein the displacement means comprises a cam ring having a plurality of cam surfaces that engage with each frame member, and a rotation means for rotating the cam ring. frame structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989102235U JPH0735912Y2 (en) | 1989-08-30 | 1989-08-30 | Shield machine frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989102235U JPH0735912Y2 (en) | 1989-08-30 | 1989-08-30 | Shield machine frame structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0340391U true JPH0340391U (en) | 1991-04-18 |
| JPH0735912Y2 JPH0735912Y2 (en) | 1995-08-16 |
Family
ID=31651145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989102235U Expired - Lifetime JPH0735912Y2 (en) | 1989-08-30 | 1989-08-30 | Shield machine frame structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735912Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020094442A (en) * | 2018-12-14 | 2020-06-18 | 東急建設株式会社 | Steel shell of drilling machine, and drilling machine |
| JP2020094440A (en) * | 2018-12-14 | 2020-06-18 | 東急建設株式会社 | Boring machine |
| JP2020100992A (en) * | 2018-12-21 | 2020-07-02 | 東急建設株式会社 | Bulkhead of drilling machine and drilling machine |
| JP2021031942A (en) * | 2019-08-23 | 2021-03-01 | 東急建設株式会社 | Cross-section enlargement segment, and cross-section enlargement system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6053896U (en) * | 1983-09-22 | 1985-04-16 | 鹿島建設株式会社 | Shield excavator for widening |
-
1989
- 1989-08-30 JP JP1989102235U patent/JPH0735912Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6053896U (en) * | 1983-09-22 | 1985-04-16 | 鹿島建設株式会社 | Shield excavator for widening |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2020094442A (en) * | 2018-12-14 | 2020-06-18 | 東急建設株式会社 | Steel shell of drilling machine, and drilling machine |
| JP2020094440A (en) * | 2018-12-14 | 2020-06-18 | 東急建設株式会社 | Boring machine |
| JP2020100992A (en) * | 2018-12-21 | 2020-07-02 | 東急建設株式会社 | Bulkhead of drilling machine and drilling machine |
| JP2021031942A (en) * | 2019-08-23 | 2021-03-01 | 東急建設株式会社 | Cross-section enlargement segment, and cross-section enlargement system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735912Y2 (en) | 1995-08-16 |