JPS63171494U - - Google Patents
Info
- Publication number
- JPS63171494U JPS63171494U JP6152887U JP6152887U JPS63171494U JP S63171494 U JPS63171494 U JP S63171494U JP 6152887 U JP6152887 U JP 6152887U JP 6152887 U JP6152887 U JP 6152887U JP S63171494 U JPS63171494 U JP S63171494U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- jack
- shield jack
- attached
- arc plate
- 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
- 230000037431 insertion Effects 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 238000009412 basement excavation Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Description
第１図は本考案のシールド掘進機におけるシー
ルドジヤツキの支持装置の斜視図、第２図はシー
ルドジヤツキの支持装置を備えたシールド掘進機
を平面的に見た断面図、第３図は四分の一円弧プ
レートの斜視図、第４図は後部支持装置の断面図
、第５図は第４図の―線矢視図、第６図は曲
進掘削におけるシールドジヤツキの姿勢変化を示
す作動図、第７図はスプリングの変形状態図であ
る。
１……シールド掘進機、２……シールド本体、
２Ａ……前胴本体、２Ｂ……後胴本体、９……シ
ールドジヤツキ、９ａ……前方側、９ｂ……シリ
ンダ本体後部（後方側）、９ｎ……軸線、１０Ｌ
１，１０Ｌ２，１０Ｒ１，１０Ｒ２……四分の一
円弧プレート（シールドジヤツキサポートリング
）、１７……油圧ジヤツキ、１９……リングガー
ダ、２０……ウエブ、２１……挿通穴、２４……
スプリング、２８……セグメント、２９……スプ
レツダ、２９ｎ……取付軸線。
Fig. 1 is a perspective view of the shield jack support device in the shield jack of the present invention, Fig. 2 is a cross-sectional view of the shield jack equipped with the shield jack support device, viewed from above, and Fig. 3 is a perspective view of the shield jack support device of the shield jack of the present invention. A perspective view of the quarter-arc plate, Fig. 4 is a sectional view of the rear support device, Fig. 5 is a view taken along the - line arrow in Fig. 4, and Fig. 6 shows the change in posture of the shield jack during curved excavation. The operating diagram shown in FIG. 7 is a diagram of the deformed state of the spring. 1... Shield excavator, 2... Shield body,
2A...front body, 2B...rear body, 9...shield jack, 9a...front side, 9b...rear part of cylinder body (rear side), 9n...axis, 10L
1, 10L2, 10R1, 10R2... Quarter arc plate (shield jack support ring), 17... Hydraulic jack, 19... Ring girder, 20... Web, 21... Insertion hole, 24...
Spring, 28...Segment, 29...Spreader, 29n...Mounting axis line.
Claims (1)
ルドジヤツキの前方側が前胴本体に変位自在に装
着され、セグメントを押圧するスプレツダの取付
軸線が、シールドジヤツキの軸線よりシールド本
体の半径方向の外方へずれて設けられているシー
ルド掘進機において、 シールドジヤツキの前方側は四分の一円弧プレ
ートに揺動自在に取り付けられ、その四分の一円
弧プレートが前胴本体に対して左右方向に変位可
能に設置され、その四分の一円弧プレートを変位
させる油圧ジヤツキが設けられ、 後胴本体に取り付けられたリングガーダのウエ
ブに、前記シールドジヤツキのシリンダ本体後部
の挿通穴が穿設され、 その挿通穴にはシリンダ本体後部を左右方向に
変位可能としかつそれを復元させるスプリングが
介装されていることを特徴とするシールド掘進機
におけるシールドジヤツキの支持装置。[Scope of Claim for Utility Model Registration] The shield body has a center-folding structure, the front side of the shield jack is displaceably attached to the front body, and the mounting axis of the spreader that presses the segment is aligned with the axis of the shield jack. In a shield excavator that is installed offset outward in the radial direction of the shield body, the front side of the shield jack is swingably attached to a quarter arc plate, and the quarter arc plate is A hydraulic jack is installed to be displaceable in the left-right direction with respect to the front fuselage body and displaces the quarter arc plate, and the cylinder of the shield jack is attached to the web of the ring girder attached to the rear fuselage body. A shield jack in a shield excavation machine characterized in that an insertion hole is bored in the rear part of the cylinder body, and a spring is inserted in the insertion hole to enable displacement of the rear part of the cylinder body in the left and right direction and to restore it to its original state. Support device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6152887U JPH053590Y2 (en) | 1987-04-22 | 1987-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6152887U JPH053590Y2 (en) | 1987-04-22 | 1987-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63171494U true JPS63171494U (en) | 1988-11-08 |
| JPH053590Y2 JPH053590Y2 (en) | 1993-01-28 |
Family
ID=30894952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6152887U Expired - Lifetime JPH053590Y2 (en) | 1987-04-22 | 1987-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH053590Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH032094U (en) * | 1989-05-29 | 1991-01-10 |
-
1987
- 1987-04-22 JP JP6152887U patent/JPH053590Y2/ja not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH032094U (en) * | 1989-05-29 | 1991-01-10 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH053590Y2 (en) | 1993-01-28 |