JPH0711885A - Shielding machine - Google Patents
Shielding machineInfo
- Publication number
- JPH0711885A JPH0711885A JP15532693A JP15532693A JPH0711885A JP H0711885 A JPH0711885 A JP H0711885A JP 15532693 A JP15532693 A JP 15532693A JP 15532693 A JP15532693 A JP 15532693A JP H0711885 A JPH0711885 A JP H0711885A
- Authority
- JP
- Japan
- Prior art keywords
- cone
- sand
- shaped section
- skin plate
- soil
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、シールド工法に用いる
カッタディスクを備えないで機体を押出すことによりス
キンプレートの前面に形成した開口部から掘削した土砂
を機内に取込むいわゆるブラインド式のシールド機に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a so-called blind type shield which takes in the earth and sand excavated from the opening formed in the front surface of the skin plate into the machine by extruding the machine body without the cutter disk used in the shield construction method. Regarding the machine.
【０００２】[0002]
【従来の技術】先ず、従来のブラインド式シールド機を
説明する。2. Description of the Related Art First, a conventional blind type shield machine will be described.
【０００３】図７及び図８において、円筒形のスキンプ
レート１の前面板２には、長方形の開口部３が形成さ
れ、このスキンプレート１に設けたシールドジャッキ４
を既設セグメントＳに反力を取って伸長し、スキンプレ
ート１を押し出すことにより地山Ｇを掘削し、掘削した
土砂を矢印Ａで示すように、開口部３から機内に取込
み、坑外に搬出して処理を行っている。In FIG. 7 and FIG. 8, a rectangular opening 3 is formed in a front plate 2 of a cylindrical skin plate 1, and a shield jack 4 provided in this skin plate 1.
Of the existing segment S is extended by taking a reaction force, and the skin plate 1 is pushed out to excavate the natural ground G, and the excavated earth and sand is taken into the aircraft through the opening 3 as shown by an arrow A, and is carried out to the outside of the mine. And then processing.
【０００４】[0004]
【発明が解決しようとする課題】上記のシールド機にお
いては、坑外への土砂の搬出及び土捨て場までの搬送に
多くの手間及び費用を要するという問題がある。The shield machine described above has a problem that it takes a lot of time and money to carry out the earth and sand to the outside of the mine and to convey it to the earth dumping site.
【０００５】本発明は、掘削した土砂の坑外への搬出量
を減少させるシールド機を提供することを目的としてい
る。An object of the present invention is to provide a shield machine that reduces the amount of excavated earth and sand carried out of the mine.
【０００６】[0006]
【課題を解決するための手段】本発明によれば、カッタ
ディスクを備えないで機体を押出すことによりスキンプ
レートの前面に形成した開口部から掘削した土砂を機内
に取込むシールド機において、前記スキンプレートに前
方に縮径するコーン状部を形成している。According to the present invention, there is provided a shield machine for taking in earth and sand excavated from an opening formed in a front surface of a skin plate into a machine by extruding the machine body without a cutter disk, A cone-shaped portion is formed on the skin plate to reduce its diameter forward.
【０００７】また、本発明によれば、コーン状部の外周
に沿って掘削した土砂の移送手段を設けている。Further, according to the present invention, means for transferring the earth and sand excavated along the outer periphery of the cone-shaped portion is provided.
【０００８】上記移送手段は、スクリューコンベア、リ
ボンスクリュー又はコーン状部の外周に形成したスクリ
ューで構成するのが好ましい。The above-mentioned transfer means is preferably constituted by a screw conveyor, a ribbon screw or a screw formed on the outer periphery of the cone-shaped portion.
【０００９】[0009]
【作用】上記のように構成されたシールド機においてス
キンプレートの前進により掘削された土砂の大部分は、
コーン状部にガイドされスキンプレートに沿って移送さ
れ、更に移送手段により移送され、地山と既設セグメン
トとの間に充填される。したがって、坑外への搬出量は
大幅に減少される。In the shield machine constructed as described above, most of the earth and sand excavated by advancing the skin plate are
It is guided by the cone-shaped portion and transferred along the skin plate, further transferred by the transfer means, and filled between the ground and the existing segment. Therefore, the amount of export to the outside of the mine is greatly reduced.
【００１０】[0010]
【実施例】以下図面を参照して本発明の実施例を説明す
る。なお、これらの図面において図７に対応する部分に
ついては、同じ符号を付して重複説明を省略する。Embodiments of the present invention will be described below with reference to the drawings. Note that in these drawings, parts corresponding to those in FIG.
【００１１】図１において、スキンプレート１０の、前
部には前方に縮径するコーン状部１１が形成され、その
コーン状部１１の軸線上には、機内取込用のスクリュー
コンベア５が設けられている。しかし、このスクリュー
コンベヤ５は必須のものではなく省いても良い。In FIG. 1, a skin-shaped plate 10 is provided with a cone-shaped portion 11 which is reduced in diameter in the front portion, and a screw conveyor 5 for taking-in the machine is provided on the axis of the cone-shaped portion 11. Has been. However, the screw conveyor 5 is not essential and may be omitted.
【００１２】次に作用について説明する。Next, the operation will be described.
【００１３】シールドジャッキ４を伸長しスキンプレー
ト１０を押し出して掘進すると、掘削された土砂の一部
は、スクリューコンベア５により機内に取込まれる。そ
して、大部分の土砂は、コーン状部１１にガイドされて
矢印Ｂのように、コーン状部１１に沿って移送され、高
密度化されて地山ＧとセグメントＳとの間に充填され、
高密度層Ｄが形成される。したがって、坑外への搬出量
は、スクリューコンベア５による量なので従来より大幅
に減少される。When the shield jack 4 is extended, the skin plate 10 is pushed out, and is advanced, a part of the excavated earth and sand is taken into the machine by the screw conveyor 5. Then, most of the earth and sand is guided by the cone-shaped portion 11 and is transferred along the cone-shaped portion 11 as shown by the arrow B, is densified, and is filled between the ground G and the segment S,
The high density layer D is formed. Therefore, the amount carried out to the outside of the mine is the amount by the screw conveyor 5, so that it is significantly reduced as compared with the conventional case.
【００１４】図２及び図３は本発明の別の実施例を示
し、コーン状部１１の外周に沿い、移送手段である複数
（図示の例では８個）のスクリューコンベア１２を円周
等配に設けた例である。この実施例では、掘削した土砂
の移送をより容易に行う事ができる。FIGS. 2 and 3 show another embodiment of the present invention, in which a plurality of (8 in the illustrated example) screw conveyors 12 serving as transfer means are circumferentially equally distributed along the outer periphery of the cone-shaped portion 11. It is an example provided in. In this embodiment, excavated earth and sand can be transferred more easily.
【００１５】図４及び図５も本発明の別の実施例を示
し、移送手段を、コーン状部１１の外周に形成したスク
リュー１３で構成した例である。この実施例でも図２の
実施例と同様な作用効果がある。4 and 5 also show another embodiment of the present invention, in which the transfer means is constituted by a screw 13 formed on the outer periphery of the cone-shaped portion 11. This embodiment also has the same effects as the embodiment of FIG.
【００１６】図６も本発明の別の実施例を示し、移送手
段を、コーン状部１１の外周に形成した２個のスクリュ
ー１３ａ、１３ｂで構成した例である。この実施例でも
図４の実施例と同様の作用効果がある。FIG. 6 also shows another embodiment of the present invention, in which the transfer means is constituted by two screws 13a and 13b formed on the outer periphery of the cone-shaped portion 11. This embodiment also has the same effects as the embodiment of FIG.
【００１７】[0017]
【発明の効果】本発明は、以上説明したように形成され
ているので、掘削した土砂の一部分を地山とセグメント
との間に充填して坑外への搬出量を減少することができ
る。EFFECTS OF THE INVENTION Since the present invention is formed as described above, a part of excavated earth and sand can be filled between the ground and the segment to reduce the amount of digging out.
【図１】本発明の第１実施例を示す側断面図。FIG. 1 is a side sectional view showing a first embodiment of the present invention.
【図２】本発明の第２実施例を示す側断面図。FIG. 2 is a side sectional view showing a second embodiment of the present invention.
【図３】図２の正面図。FIG. 3 is a front view of FIG.
【図４】本発明の第３実施例を示す側断面図。FIG. 4 is a sectional side view showing a third embodiment of the present invention.
【図５】図４の正面図。5 is a front view of FIG.
【図６】本発明の第４実施例を示す側断面図。FIG. 6 is a side sectional view showing a fourth embodiment of the present invention.
【図７】従来のブラインド式シールド機を示す側断面
図。FIG. 7 is a side sectional view showing a conventional blind type shield machine.
【図８】図７の正面図。FIG. 8 is a front view of FIG.
Ｄ・・・高密度層 Ｇ・・・地山 Ｓ・・・セグメント １・・・スキンプレート ２・・・前面板 ３・・・開口部 ４・・・シールドジャッキ ５・・・スクリューコンベア １０・・・スキンプレート １１・・・コーン状部 １２・・・スクリューコンベア １３、１３ａ、１３ｂ・・・スクリュー D ... High-density layer G ... Solid ground S ... Segment 1 ... Skin plate 2 ... Front plate 3 ... Opening 4 ... Shield jack 5 ... Screw conveyor 10. ..Skin plate 11 ... Cone-shaped portion 12 ... Screw conveyor 13, 13a, 13b ... Screw
Claims (2)
すことによりスキンプレートの前面に形成した開口部か
ら掘削した土砂を機内に取込むシールド機において、前
記スキンプレートに前方に縮径するコーン状部を形成し
たことを特徴とするシールド機。1. A shield machine for taking in earth and sand excavated from an opening formed in the front surface of a skin plate by extruding the machine body without a cutter disk into the machine, and a cone-shaped member having a diameter reduced forward to the skin plate. A shield machine characterized by forming parts.
の移送手段を設けたことを特徴とする請求項１記載のシ
ールド機。2. The shield machine according to claim 1, further comprising means for transferring earth and sand excavated along the outer periphery of the cone-shaped portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15532693A JPH0711885A (en) | 1993-06-25 | 1993-06-25 | Shielding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15532693A JPH0711885A (en) | 1993-06-25 | 1993-06-25 | Shielding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0711885A true JPH0711885A (en) | 1995-01-13 |
Family
ID=15603449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15532693A Pending JPH0711885A (en) | 1993-06-25 | 1993-06-25 | Shielding machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0711885A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941970A (en) * | 1972-04-10 | 1974-04-19 | ||
| JPH04213694A (en) * | 1990-12-12 | 1992-08-04 | Kido Kensetsu Kogyo Kk | Jacking method of buried pipe without earth removal |
-
1993
- 1993-06-25 JP JP15532693A patent/JPH0711885A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4941970A (en) * | 1972-04-10 | 1974-04-19 | ||
| JPH04213694A (en) * | 1990-12-12 | 1992-08-04 | Kido Kensetsu Kogyo Kk | Jacking method of buried pipe without earth removal |
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