JPH04124396A - Shield excavator - Google Patents
Shield excavatorInfo
- Publication number
- JPH04124396A JPH04124396A JP24371490A JP24371490A JPH04124396A JP H04124396 A JPH04124396 A JP H04124396A JP 24371490 A JP24371490 A JP 24371490A JP 24371490 A JP24371490 A JP 24371490A JP H04124396 A JPH04124396 A JP H04124396A
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- shield excavator
- shield
- fixed
- tunnel
- 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
- 230000035515 penetration Effects 0.000 abstract description 13
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 238000009412 basement excavation Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、トンネルをその両側から掘削して一連の状態
に接合させる地中接合工法に使用するシールド掘削機２
こ関するものである。Detailed Description of the Invention (Industrial Field of Application) The present invention is directed to a shield excavator 2 used in an underground joint method in which a tunnel is excavated from both sides and joined in a series.
This is related to this.
（従来の技術）
トンネルをその両側から掘削して、一連の状態に接合さ
せる地中接合工法に使用するシールド掘削機を第７図（
１）（ＩＩ）に示した。（１）がトンネルの一端側から
掘削してきた第１シールド掘削機。(Prior art) Figure 7 shows a shield excavator used for the underground joint method in which a tunnel is excavated from both sides and joined in a series.
1) Shown in (II). (1) is the first shield excavator excavating from one end of the tunnel.
（２）がトンネルの他端側から掘削してきた第２シール
ド掘削機で、トンネル両側からの掘削が完了すると、第
１．第２シールド掘削機（１） （２）が第７図（Ｉ）
の状態になる。これら第１．第２シールド掘削機（１）
（２）のうち、第１シールド掘削機（１）には１貫入
リング（３）が設けられ、第２シールド掘削機（２）に
は５貫入リング受圧部（４）が設けられている。またこ
れら第１．第２シールド掘削機（１） （２）の先端部
には、カッタヘッド（５）が旋回可能に設けられ、同カ
ッタヘッド（５）には、カッタスポーク（６）が放射状
に突出している。これら第１、第２シールド掘削機（１
） （２）をトンネルの両側から掘進させる。そしてト
ンネルの掘削が完了して、第１．第２シールド掘削機（
１） （２）が対向したら、駆動装置（７）を縮み方向
に作動し、各カッタスポーク（６）を縮小させて、収納
した後、第１シールド掘削１機（１）の貫入リング（３
）を第２シールド掘削機（２）の方向に押し出し１貫入
リング受圧部（４）に押し込んで、第１シールド掘削機
（１）と第２シールド掘削機（２）とを接続する。(2) is the second shield excavator that excavated from the other end of the tunnel, and when the excavation from both sides of the tunnel is completed, the first shield excavator excavates from the other end of the tunnel. The second shield excavator (1) (2) is shown in Figure 7 (I)
becomes the state of These first. 2nd shield excavator (1)
Among (2), the first shield excavator (1) is provided with one penetration ring (3), and the second shield excavator (2) is provided with a five-penetration ring pressure receiving part (4). Also, these first. A cutter head (5) is rotatably provided at the tip of the second shield excavator (1) (2), and cutter spokes (6) protrude radially from the cutter head (5). These first and second shield excavators (1
) Excavate (2) from both sides of the tunnel. After the tunnel excavation was completed, the first stage. 2nd shield excavator (
1) When (2) are facing each other, actuate the drive device (7) in the retraction direction to contract and store each cutter spoke (6), and then insert the penetration ring (3) of the first shield excavator 1 (1).
) in the direction of the second shield excavator (2) and into the first penetration ring pressure receiving part (4) to connect the first shield excavator (1) and the second shield excavator (2).
（発明が解決しようとする課題）
前記第７図（１）（ＩＩ）に示す従来のシールド掘削機
では、各カッタスポーク（６）を取り囲む円環状部材が
なくて、掘進時、各カッタスポーク（６）の周りの地山
を中心部の方向へ落下させる恐れがあって、掘進を不安
定にする。また上記のように各カッタスポーク（６）の
周りの地山を中心部の方向へ落下させるので、カッタを
早Ｍｌこ摩耗させるという問題があった。(Problems to be Solved by the Invention) In the conventional shield excavator shown in FIGS. 7(1) and (II), there is no annular member surrounding each cutter spoke (6), and during excavation, each cutter spoke (6) 6) There is a risk that the surrounding ground may fall toward the center, making excavation unstable. Further, as described above, since the ground around each cutter spoke (6) falls toward the center, there is a problem that the cutter wears out quickly.
本発明は前記の問題点に鑑み提案するものであり、その
目的とする処は、掘進を安定的に行うことができる上に
、カッタの摩耗を低減できるシールド掘削機を提供しよ
うとする点にある。The present invention has been proposed in view of the above-mentioned problems, and its purpose is to provide a shield excavator that can perform stable excavation and reduce cutter wear. be.
（課題を解決するための手段）
上記の目的を達成するために７本発明のシールド掘削機
は、カッタヘッドから放射状に突設した伸縮可能なカッ
タスポークと、同各カッタスポークの先端部に固定した
取付板と、同各取付板と上記カッタヘッドの周りに配設
したカッタ外周リングとを固定するピンとを具えている
。(Means for Solving the Problems) In order to achieve the above objects, the shield excavator of the present invention has seven extendable cutter spokes projecting radially from a cutter head and fixed to the tip of each cutter spoke. and a pin for fixing each of the mounting plates and a cutter outer ring disposed around the cutter head.
（作用）
本発明のシールド掘削機は前記のように構成されており
、各カッタリングを第１．第２シールド掘削機の各カッ
タスポークの先端部に固定した取付板に外側から接触さ
せて、互いを固定ピンにより固定し３次いで第１．第２
シールド掘削機をトンネルの両側から掘進させ、トンネ
ルの掘削が終わって、第１．第２シールド掘削機が対向
したら切断装置により固定ピンを切断して、各カッタ外
周リングを第１．第２シールド掘削機の各取付板から取
外し１次いで各カッタスポークを縮小させて、これを収
納した後、第１シールド掘削機の貫入リングを第２シー
ルド掘削機の方向に押し出しこれを貫入リング受圧部に
押し込んで、第１．第２シールド掘削機を接続する。(Function) The shield excavator of the present invention is configured as described above, and each cutter is connected to the first. A mounting plate fixed to the tip of each cutter spoke of the second shield excavator is contacted from the outside, and the two are fixed with fixing pins. Second
The shield excavator excavates from both sides of the tunnel, and after the tunnel excavation is completed, the first. When the second shield excavator faces the second shield excavator, the fixing pin is cut by a cutting device, and each cutter outer ring is separated from the first shield excavator. After removing the second shield excavator from each mounting plate and then reducing each cutter spoke and storing it, push the penetration ring of the first shield excavator toward the second shield excavator and press the penetration ring receiving pressure. 1. Connect the second shield excavator.
（実施例）
次に本発明のシールド掘削機を第１図乃至第６図に示ず
一実施例により説明すると、第６図の（１）がトンネル
の一端側から掘削してきた第１シールド掘削機、（２）
がトンネルの他端側から掘削しできた第２シールド掘削
機、（３）が同第１シールド掘削機（１）に設けた貫入
リング、第１図乃至第６図の（４）が同第２シールド掘
削機（２）に設けた貫入リング受圧部、（５）がこれら
第１．第２シールド掘削機（１）（２）の先端部に旋回
可能に設けたカッタヘッド、（６）が同カッタヘッド（
５）から放射状に突設した伸縮可能な複数本のカッタス
ポーク、（１２）が上記第１シールド掘削機（１）の各
カッタスポーク（６）の先端部及び上記第２シールド掘
削機（２）の各カッタスポーク（６）の先端部に固定し
た取付板、 （１３）が同各取付板（１２）に設けたボ
スで、同ボス（１３）は後記ポーリングロッ） （１８
）を後記固定ピン（１４）に導くために設けられている
。また（１１）が上記第１シールド掘削機（１）の各取
付板（１２）及び上記第２シールド掘削機（２）の各取
付板（１２）に外側から接触するカッタ外周リング、
（１４）が固定ピンで、同固定ピン（１４）をカッタ外
周リング（１１）に穿設したピン孔と各取付板（１２）
に穿設したピン孔とに嵌挿して、この固定ピン（１４）
をカッタ外周リング（１１）と各取付板（１２）とに溶
接固定するようになっている（第３図（Ｂ）参照）６ま
た（１５）が上記第１．第２シールド掘削機（１） （
２）内に設置した切削機、 （１５ａ）が同切削機（１
５）の駆動部、第４図（Ｉ）の（１８）が同駆動部（１
５ａ）により回転される突出・収納可能なボーリングロ
ッド、第１図（１）と第４図（Ｉ）と第６図（１）の（
１６）が同ポーリングロッ） （１８）を回転可能に支
持するロットガイド部材で、同ロフトガイド部材（１６
）が隔壁を貫通している。また（１７）が同ロットガイ
ド部材（１６）に設けた止水弁である。(Example) Next, the shield excavator of the present invention will be explained using an example not shown in FIGS. 1 to 6. (1) in FIG. Machine, (2)
is the second shield excavator that was able to excavate from the other end of the tunnel, (3) is the penetration ring installed on the first shield excavator (1), and (4) in Figures 1 to 6 is the second shield excavator that excavated from the other end of the tunnel. The penetration ring pressure receiving part (5) provided on the two-shield excavator (2) is the first of these. The cutter head (6) is rotatably provided at the tip of the second shield excavator (1) (2).
5) a plurality of extendable and retractable cutter spokes protruding radially from (12) the tips of each cutter spoke (6) of the first shield excavator (1) and the second shield excavator (2); The mounting plate fixed to the tip of each cutter spoke (6), (13) is the boss provided on each of the mounting plates (12), and the boss (13) is a polling rod (described later) (18).
) is provided to guide the fixing pin (14) to be described later. Further, (11) is a cutter outer peripheral ring that contacts each mounting plate (12) of the first shield excavator (1) and each mounting plate (12) of the second shield excavator (2) from the outside;
(14) is the fixing pin, and the fixing pin (14) is connected to the pin hole drilled in the cutter outer ring (11) and each mounting plate (12).
This fixing pin (14) is inserted into the pin hole drilled in the
are welded and fixed to the cutter outer ring (11) and each mounting plate (12) (see Fig. 3 (B)) 6 and (15) are the above-mentioned No. 1. 2nd shield excavator (1) (
2) The cutting machine installed in (15a) is the same cutting machine (1
5), and (18) in Figure 4(I) is the drive unit (1).
1 (1), 4 (I), and 6 (1)
16) is a rod guide member that rotatably supports the same pole rod (18), and the same loft guide member (16)
) penetrates the bulkhead. Further, (17) is a water stop valve provided on the lot guide member (16).
次に前記第１図乃至第６図に示すシールド掘削機の作用
を具体的に説明する。２つのカッタ外周リング（１１）
を第１．第２シールド掘削機（１）（２）の各カッタス
ポーク（６）の先端部に固定した取付板（１２）に外側
から接触させ（第１．２図参照）１次いで固定ピン（１
４）をこれらカッタ外周リング（１１）と各取付板（１
２）とのピン孔に嵌挿して、同固定ピン（１４）をこれ
らカッタ外周リング（１１）と各取付板（１２）とに溶
接固定して（第３図（Ｂ）参照）、カッタ外周リング（
１１）を各カッタスポーク（６）の周りに取付け５次い
でこれら第１．第２シールド掘削機（１） （２）をト
ンネルの両側から掘進させる。そしてトンネルの掘削が
完了して、第１．第２ンールト掘削機（１） （２）が
対向したら、カッタヘッド（５）を若干回転させて、一
つのボス（１３）をロットガイド部材（１６）の延長線
上に位置させ１次いで止水弁（１７）を開き、ポーリン
グロフト（１８）を突出させその先端部をボス（１３）
内に入れて、固定ピン（１４）に押し当てるとともに、
駆動部（１５ａ）によりポーリングロフト（１８）を回
転させて、固定ピン（１４）を切断しく第４，５図参照
）１次いでポーリングロフト（１８）を収納し、カッタ
ヘッド（５）を若干回転させて、他のボス（１３）をロ
ットガイド部材（１６）の延長線上に位置させ１次いで
ポーリングロフト（１８）を前進させて、上記の要領で
固定ピン（１４）を切断し、その後も同じ要領で他の各
固定ピン（１４）を次々に切断し、全ての固定ピン（１
４）を切断したら第１．第２シールド掘削機（１） （
２）のカッタ外周リング（１］）を外し１次いで駆動装
置（７）を縮み方向に作動し、各カッタスポーク（６）
を縮小させて。Next, the operation of the shield excavator shown in FIGS. 1 to 6 will be explained in detail. Two cutter outer rings (11)
First. Contact the mounting plate (12) fixed to the tip of each cutter spoke (6) of the second shield excavator (1) (2) from the outside (see Figure 1.2).
4) to these cutter outer ring (11) and each mounting plate (1).
2), and weld and fix the same fixing pin (14) to the cutter outer ring (11) and each mounting plate (12) (see Fig. 3 (B)), and then ring(
11) around each cutter spoke (6). The second shield excavator (1) (2) is made to excavate from both sides of the tunnel. After the tunnel excavation was completed, the first stage. When the second Noord excavators (1) and (2) are facing each other, rotate the cutter head (5) slightly to position one boss (13) on the extension line of the rot guide member (16) and then the water stop valve. (17), protrude the polling loft (18), and attach the tip to the boss (13).
and press it against the fixing pin (14),
The poling loft (18) is rotated by the driving part (15a) to cut the fixed pin (14) (see Figures 4 and 5).Then, the polling loft (18) is stored and the cutter head (5) is slightly rotated. Then, position the other boss (13) on the extension line of the lot guide member (16), move the polling loft (18) forward, and cut the fixing pin (14) in the same manner as described above. Cut each of the other fixing pins (14) one after another in the same manner, and cut all the fixing pins (14) one after another.
4) After cutting 1. 2nd shield excavator (1) (
2) Remove the cutter outer circumferential ring (1]), then operate the drive device (7) in the retraction direction, and each cutter spoke (6)
Let's shrink it.
収納した後、第１シールド掘削機（１）の貫入リング（
３）を第２シールド掘削機（２）の方向に押し出し、こ
れを貫入リング受圧部（４）に押し込んで。After stowing, insert the penetration ring (
3) in the direction of the second shield excavator (2) and push it into the penetration ring pressure receiving part (4).
第１シールド掘削機（１）と第２シールド掘削機（２）
とを接続する（第６図参照）。First shield excavator (1) and second shield excavator (2)
(See Figure 6).
（発明の効果）
本発明のシールド掘削機は前記のように各カッタリング
を第１．第２シールド掘削機の各カッタスポークの先端
部に固定した取付板に外側から接触させて、互いを固定
ピンにより固定し１次いで第１．第２シールド掘削機を
トンネルの両側から掘進させ、トンネルの掘削を終わっ
て、第１．第２シールド掘削機が対向したら、切断装置
により固定ピンを切断して、各カッタ外周リングを第１
゜第２シールド掘削機の各取付板から取外し１次いで各
カッタスポークを縮小させて、これを収納した後、第１
シールド掘削機の貫入リングを第２シールド掘削機の方
向に押し出し、これを貫入リング受圧部に押し込んで、
第１．第２シールド掘削機を接続するので、掘進時、各
カッタスポークをそれとともに旋回するカッタ外周リン
グにより取り囲むことになって、掘進を安定的に行うこ
とができる上に、カッタの摩耗を低減できる効果がある
。(Effects of the Invention) The shield excavator of the present invention has each cutter in the first position. A mounting plate fixed to the tip of each cutter spoke of the second shield excavator is brought into contact with the mounting plate from the outside, and each cutter spoke is fixed with a fixing pin. The second shield excavator excavates from both sides of the tunnel, and after the tunnel excavation is completed, the first shield excavator excavates the tunnel from both sides. When the second shield excavator is facing the second shield excavator, the cutting device cuts the fixed pin and each cutter outer ring is connected to the first shield excavator.
゜After removing the second shield excavator from each mounting plate and then reducing each cutter spoke and storing it,
Push out the penetration ring of the shield excavator in the direction of the second shield excavation machine, push it into the penetration ring pressure receiving part,
1st. Since the second shield excavator is connected, each cutter spoke is surrounded by the cutter outer circumferential ring that rotates with it during excavation, which not only allows stable excavation but also reduces wear on the cutter. There is.
第１図（１）は本発明に係わるシールド掘削機の一実施
例のカッタ外周リング取付状態を示す縦断側面図、第１
図（ＩＩ）はそのときの正面図、第２図はカッタスポー
クと取付板とカッタ外周リングとの拡大正面図、第３図
は第２図の矢視■−■線に沿う縦断側面図、第４図（Ｉ
）は同シールド掘削機の固定ピン切断状態を示す縦断側
面図、第第４図（ＩＩ）はそのときの正面図、第５図は
ポーリングロフトの切削直径を示す正面図、第６図（１
）は第１．第２シールド掘削機の接続状態を示す縦断側
面図、第６図（ｎ）はそのときの正面図、第７図（１）
は従来の第１．第２シールド掘削機の接続状態を示す縦
断側面図、第７図（ＩＩ）はそのときの正面図である。
（１）・・・第１シールド掘削機、（２）・・・第２シ
ールド掘削機
（５）・
・カッタヘッド
（６）・
カッタスポーク、 （１１）
・カッタ外周リング。
・取付板、（１４，）
・固定ピン。FIG. 1 (1) is a longitudinal cross-sectional side view showing a state in which the cutter outer circumferential ring is attached to an embodiment of the shield excavator according to the present invention;
Figure (II) is a front view at that time, Figure 2 is an enlarged front view of the cutter spokes, mounting plate, and cutter outer circumferential ring, Figure 3 is a vertical sectional side view taken along the arrow ■-■ line in Figure 2, Figure 4 (I
) is a vertical side view showing the fixed pin cutting state of the same shield excavator, FIG. 4 (II) is a front view at that time, FIG. 5 is a front view showing the cutting diameter of the polling loft, and FIG. 6 (1
) is the first. A longitudinal side view showing the connection state of the second shield excavator, Fig. 6 (n) is a front view at that time, Fig. 7 (1)
is the conventional 1st. FIG. 7 (II) is a longitudinal sectional side view showing the connected state of the second shield excavator, and is a front view at that time. (1) First shield excavator, (2) Second shield excavator (5) Cutter head (6) Cutter spoke, (11) Cutter outer ring.・Mounting plate, (14,) ・Fixing pin.
Claims (1)
ポークと、同各カッタスポークの先端部に固定した取付
板と、同各取付板と上記カッタヘッドの周りに配設した
カッタ外周リングとを固定するピンとを具えていること
を特徴としたシールド掘削機。Expandable cutter spokes projecting radially from the cutter head, mounting plates fixed to the tips of the cutter spokes, and a cutter outer ring arranged around the cutter head are fixed to each mounting plate. A shield excavator characterized by being equipped with a pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24371490A JP2820517B2 (en) | 1990-09-17 | 1990-09-17 | Shield excavator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24371490A JP2820517B2 (en) | 1990-09-17 | 1990-09-17 | Shield excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04124396A true JPH04124396A (en) | 1992-04-24 |
| JP2820517B2 JP2820517B2 (en) | 1998-11-05 |
Family
ID=17107897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24371490A Expired - Fee Related JP2820517B2 (en) | 1990-09-17 | 1990-09-17 | Shield excavator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2820517B2 (en) |
-
1990
- 1990-09-17 JP JP24371490A patent/JP2820517B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2820517B2 (en) | 1998-11-05 |
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