JPH05149089A - Driving mechanism of double inversion cutter head of shield machine - Google Patents
Driving mechanism of double inversion cutter head of shield machineInfo
- Publication number
- JPH05149089A JPH05149089A JP33587991A JP33587991A JPH05149089A JP H05149089 A JPH05149089 A JP H05149089A JP 33587991 A JP33587991 A JP 33587991A JP 33587991 A JP33587991 A JP 33587991A JP H05149089 A JPH05149089 A JP H05149089A
- Authority
- JP
- Japan
- Prior art keywords
- cutter head
- cutter
- center
- driven
- central
- 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
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はシ−ルド掘進機の二重反
転カッタ−ヘッドの駆動機構の改良に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved drive mechanism for a counter rotating cutter head of a shield machine.
【０００２】[0002]
【従来の技術】シ−ルド工法は、軟弱な地盤に適用する
トンネル工法の１つとして開発され、シ−ルド（shiel
d）と呼ばれる掘進機を地中に推進させ土砂の崩壊を防
ぎながら、その内部で安全に掘削作業，覆工作業を行い
トンネルを構築していく工法である。2. Description of the Related Art The shield construction method was developed as one of tunnel construction methods applied to soft ground.
This is a method of constructing a tunnel by safely excavating and lining the interior of the tunnel while propelling an excavator called d) into the ground to prevent the collapse of earth and sand.
【０００３】このようなシ−ルド工法に使用するシ−ル
ド掘削機において、カッタ−ヘッド形状の１つである凸
形カッタ−ヘッド等における、二重カッタ−ヘッドの中
心部および外周部に夫々別個（２系統）の動力系統を設
けたカッタ−ヘッドの駆動装置は公知である。In a shield excavator used for such a shield construction method, a convex cutter head, which is one of the cutter head shapes, has a double cutter head having a central portion and an outer peripheral portion, respectively. A cutter head driving device provided with a separate (two systems) power system is known.
【０００４】この方式はカッタ−ヘッドの駆動系が２系
統で複雑なものとなり、排土系等必要な諸装置を含めた
シ−ルド掘進機内の配置が困難となる欠点がある。又一
般的即ちシングルカッタ−ヘッド型のシ−ルド掘進機
は、カッタ−の掘削反力により直進方向安定性が悪いこ
と、一定回転のため中心部のカッタ−周速度が過小とな
っていること等の問題がある。This system has a drawback that the cutter head has a complicated drive system with two systems, which makes it difficult to dispose the cutter head in the shield machine including necessary devices such as an earth discharging system. Generally, a single cutter head type shield machine has poor stability in the straight direction due to the excavation reaction force of the cutter, and the peripheral speed of the cutter at the center is too small due to constant rotation. There are problems such as.
【０００５】[0005]
【発明が解決しようとする課題】このような従来技術の
問題に鑑み、二重反転カッタ−ヘッドの新規な駆動機構
を提供し、中心部カッタ−速度を適正化して掘削性能
を向上すること、カッタ−ヘッド掘削反力を相殺する
ことによる直進性を向上させること、及び二重反転練
り混ぜ装置の装備による中心部練り混ぜ性能を向上させ
ること、等を目的とする。In view of the problems of the prior art described above, a novel drive mechanism for a counter rotating cutter head is provided to optimize the center cutter speed and improve excavation performance. The purpose of the present invention is to improve straightness by offsetting the reaction force of excavating the cutter head, and to improve the mixing performance of the central portion by equipping the counter rotating mixing device.
【０００６】[0006]
【課題を解決するための手段】二重カッタ−ヘッドのシ
−ルド掘進機において、外周カッタ−ヘッドと中心部カ
ッタ−ヘッドを一組の動力系統で駆動して二重反転を伝
達し、かつ夫々個別の回転を伝達するようにした。又チ
ャンバ−中心部にカッタ−ヘッドの動力系統で駆動する
二重反転する練り混ぜ装置を設けた。In a double cutter-head shield machine, the outer cutter head and the central cutter head are driven by a set of power systems to transmit double inversion, and Each rotation is transmitted individually. In addition, a counter-rotating kneading device driven by the power system of the cutter head was provided in the center of the chamber.
【０００７】[0007]
【実施例１】図１に基いて説明する。図１において、１
はカッタ−モ−タである。３はカッタ−モ−タ１の出力
軸２に設けたピニオンである。出力軸２は前胴枠体４に
支持されている。５はピニオン３とかみ合う内歯歯車
で、中間支持リング６、中間支持ア−ム７を介して外周
カッタ−ヘッド８に連結されている。Example 1 will be described with reference to FIG. In FIG. 1, 1
Is a cutter motor. 3 is a pinion provided on the output shaft 2 of the cutter-motor 1. The output shaft 2 is supported by the front body frame 4. Reference numeral 5 denotes an internal gear that meshes with the pinion 3, and is connected to an outer peripheral cutter head 8 via an intermediate support ring 6 and an intermediate support arm 7.
【０００８】９はピニオン３とかみ合うセンタ−ギヤ
で、キ−又はスプライン１０を介しセンタ−軸１１を駆
動し、センタ−軸１１には中心部カッタ−ヘッド１２が
取付けられている。13a は外周カッタ−ヘッド８に、又
13b は中心部カッタ−ヘッド１２に設けた練り混ぜ翼、
13c は中間支持ア−ムに設け中心部カッタ−ヘッドに設
けた練り混ぜ翼13b と対向して取り付けられている。A center gear 9 meshes with the pinion 3 and drives a center shaft 11 via a key or spline 10. A center cutter head 12 is attached to the center shaft 11. 13a is attached to the outer cutter head 8 and
13b is a mixing blade provided in the central cutter head 12,
Reference numeral 13c is provided so as to face the mixing blade 13b provided at the central cutter head provided on the intermediate support arm.
【０００９】[0009]
【作動】カッタ−モ−タ１を駆動すると、その駆動力は
ピニオン３より内歯歯車５、中間支持リング６、中間支
持ア−ム７を介して外周カッタ−ヘッド８を駆動する。
同時にピニオン３に噛合うセンタ−ギヤ−９、センタ−
軸１１を介して中心部カッタ−ヘッド１２を駆動する。When the cutter motor 1 is driven, its driving force drives the outer peripheral cutter head 8 from the pinion 3 via the internal gear 5, the intermediate support ring 6, and the intermediate support arm 7.
At the same time, the center gear 9 that engages with the pinion 3 and the center
The central cutter head 12 is driven via the shaft 11.
【００１０】この機構によりカッタ−モ−タ１の１系統
動力により、外周カッタ−ヘッド８と中心部カッタ−ヘ
ッド１２は夫々個別の回転数（カッタ−速度）で互いに
反対方向に回転、即ち二重反転させることができる。With this mechanism, the one-system power of the cutter motor 1 causes the outer peripheral cutter head 8 and the central cutter head 12 to rotate in mutually opposite directions at respective individual rotational speeds (cutter speeds), that is, two It can be flipped over.
【００１１】又、中間支持ア−ム７に練り混ぜ翼13c を
取付けた場合には、これと外周カッタヘッドに取り付け
た練り混ぜ翼13a は中心部カッタ−ヘッド１２に取付け
られた練り混ぜ翼13b と互いに反対方向に回転するの
で、練り混ぜ性能を向上させることができる。When the mixing blade 13c is attached to the intermediate support arm 7, this and the mixing blade 13a attached to the outer peripheral cutter head are mixed with the mixing blade 13b attached to the central cutter head 12. Since they rotate in the opposite directions, the kneading performance can be improved.
【００１２】[0012]
【実施例２】図２に基いて説明する。図２で２１はカッ
タ−モ−タ、２２はピニオン、２３はピニオン２２とか
み合う外歯歯車である。２４は外歯歯車と連結した中間
支持リング、２５は中間支持リング２４と連結された中
間支持ア−ム、２６は外周カッタ−ヘッドである。Second Embodiment A second embodiment will be described with reference to FIG. In FIG. 2, 21 is a cutter motor, 22 is a pinion, and 23 is an external gear that meshes with the pinion 22. Reference numeral 24 is an intermediate support ring connected to the external gear, 25 is an intermediate support arm connected to the intermediate support ring 24, and 26 is an outer peripheral cutter head.
【００１３】２７は前記中間支持リング２４と一体に回
転する内歯歯車、28aと28bは軸２９に対し回転自在に支
持されたアイドルギヤである。アイドルギヤ28b にはセ
ンタ−ギヤ３０がかみ合っている。センタ−ギヤ３０の
回転はキ−又はスプライン３１を介しセンタ−軸３２を
駆動する。センタ−軸３２の先端には中心部カッタ−ヘ
ッド３３が取付けられている。３４は外周カッタ−ヘッ
ド３６と中心部カッタ−ヘッド３３を連結する連結ピン
である。３５はアイドルギヤ28aと28bとの間に設けた嵌
脱クラッチである。Reference numeral 27 is an internal gear that rotates integrally with the intermediate support ring 24, and 28a and 28b are idle gears that are rotatably supported by a shaft 29. A center gear 30 meshes with the idle gear 28b. The rotation of the center gear 30 drives the center shaft 32 via a key or spline 31. A center cutter head 33 is attached to the tip of the center shaft 32. Reference numeral 34 is a connecting pin that connects the outer peripheral cutter head 36 and the central cutter head 33. Reference numeral 35 is an engagement / disengagement clutch provided between the idle gears 28a and 28b.
【００１４】[0014]
【作動】カッタ−モ−タ２１の駆動力はピニオン２２よ
り外歯歯車２３、中間支持リング２４、中間支持ア−ム
２５を介して外周カッタ−ヘッド２６を駆動すると共
に、中間支持リング２４に取付けられた内歯歯車２７、
アイドルギヤ−28a，28b、センタ−ギヤ−３０、センタ
−軸３２を介して中心部カッタ−ヘッド３３を駆動す
る。この機構により、カッタ−モ−タ２１の１系統動力
により外周カッタ−ヘッド２６と中心部カッタ−ヘッド
３３は夫々個別の回転数（カッタ−速度）で互いに反対
方向に回転する。The driving force of the cutter / motor 21 drives the outer peripheral cutter head 26 from the pinion 22 via the external gear 23, the intermediate support ring 24, and the intermediate support arm 25, and the intermediate support ring 24 is driven. The attached internal gear 27,
The central cutter head 33 is driven via the idle gears 28a and 28b, the center gear 30, and the center shaft 32. By this mechanism, the outer cutter head 26 and the central cutter head 33 are rotated in the opposite directions at individual rotational speeds (cutter speeds) by one system power of the cutter motor 21.
【００１５】尚、アイドルギヤ28aと28bの中間に嵌脱ク
ラッチ３５を装備すると共に中心部カッタ−ヘッド３３
に伸縮するカッタ−ヘッド連結ピン３４を装備し、嵌脱
クラッチ３５と連結ピン３４の嵌脱を互いに逆に連動さ
せることにより、外周カッタ−ヘッド２６と中心部カッ
タ−ヘッド３３は同一回転又は二重反転とすることも可
能となる。A fitting / disengaging clutch 35 is provided between the idle gears 28a and 28b and the center cutter head 33 is provided.
By equipping the cutter head connecting pin 34 that expands and contracts with each other and interlocking the engagement and disengagement of the engagement / disengagement clutch 35 and the connection pin 34 with each other, the outer peripheral cutter head 26 and the central cutter head 33 rotate in the same rotation or two directions. It is also possible to perform double inversion.
【００１６】[0016]
【実施例３】図３に基いて説明する。図３で４１はカッ
タ−モ−タ、４２はピニオンである。４３はピニオンと
かみ合う外歯歯車、４４は外歯歯車４３に連結されセン
タ−バルクヘッド44a を有する中間支持リング、４５は
中間支持リング４４に連結された中間支持ア−ムで、こ
れに外周カッタ−ヘッド４６が取付けられている。[Third Embodiment] A third embodiment will be described with reference to FIG. In FIG. 3, 41 is a cutter motor and 42 is a pinion. 43 is an external gear that meshes with the pinion, 44 is an intermediate support ring that is connected to the external gear 43 and has a center bulkhead 44a, and 45 is an intermediate support arm that is connected to the intermediate support ring 44, to which an outer peripheral cutter is attached. The head 46 is attached.
【００１７】他方４７は中間支持リングに取付けられた
内歯歯車で、アイドルギヤ４８を介しセンタ−ギヤ４９
とかみ合い、キ−又はスプライン５０を介しセンタ−軸
５１と連結されている。センタ−軸５１により中心部カ
ッタ−ヘッド５２が駆動される。The other 47 is an internal gear attached to the intermediate support ring, and has a center gear 49 via an idle gear 48.
It is meshed with and is connected to a center shaft 51 via a key or spline 50. The center cutter head 52 is driven by the center shaft 51.
【００１８】５３は中間支持リング４４に取付けられた
練り混ぜ翼、５４は中心部カッタ−ヘッドに取付けられ
た練り混ぜ翼で、両者は互に対向している。53 is a mixing blade attached to the intermediate support ring 44, and 54 is a mixing blade attached to the central cutter head, both of which face each other.
【００１９】[0019]
【作動】カッタ−モ−タ４１の駆動力はピニオン４２よ
り、外歯歯車４３、センタ−バルクヘッド付中間支持リ
ング４４、中間支持ア−ム４５を介して外周カッタ−ヘ
ッド４６を駆動する。同時にセンタ−バルクヘッド44a
に取付けられた内歯歯車４７、アイドルギヤ４８、セン
タ−ギヤ４９、センタ−軸５１を介して中心部カッタ−
ヘッド５２を駆動する。Operation The driving force of the cutter motor 41 drives the outer peripheral cutter head 46 from the pinion 42 through the external gear 43, the intermediate support ring 44 with the center bulkhead, and the intermediate support arm 45. At the same time center bulkhead 44a
Through the internal gear 47, the idle gear 48, the center gear 49, and the center shaft 51 attached to the center cutter.
The head 52 is driven.
【００２０】この機構によりカッタ−モ−タ４１の１系
統動力により外周カッタ−ヘッド４６と中心部カッタ−
ヘッド５２は、夫々個別の回転数で互に反対方向に回転
する。又センタ−バルクヘッド44a に取付けられた練り
混ぜ翼５３と中心部カッタ−ヘッド５２に取付けられた
練り混ぜ翼５４は互いに反対方向に回転し、練り混ぜ性
能を向上させる。With this mechanism, the outer cutter head 46 and the central cutter are driven by one system power of the cutter motor 41.
The heads 52 rotate in mutually opposite directions at their respective numbers of rotations. Further, the mixing blade 53 attached to the center bulkhead 44a and the mixing blade 54 attached to the central cutter head 52 rotate in opposite directions to improve the mixing performance.
【００２１】[0021]
【効果】二重カッタ−ヘッドの駆動用動力を１系統とす
ることにより駆動系が簡素化された。又二重カッタ−ヘ
ッドの二重反転によりシ−ルド機の掘進方向（直進）安
定性が向上すること、および中心部カッタ−速度の適正
化が可能となり掘進性能が向上する。[Effect] The drive system is simplified by using only one drive power for the double cutter head. Further, the double inversion of the double cutter head improves the excavation direction (straight) stability of the shield machine, and the center cutter speed can be optimized to improve the excavation performance.
【００２２】又中心部の二重反転練り混ぜ装置により混
練り性能が向上する。更に、中心部のカッタ−速度適正
化と合せた練り混ぜ性能の向上は、大口径シ−ルドに装
備されている別動力による練り混ぜ装置が不要となる、
等の諸効果を奏する。Further, the kneading performance is improved by the counter rotating kneading device at the center. Furthermore, the improvement of the kneading performance combined with the optimization of the cutter speed in the central part does not require the kneading device with another power equipped to the large diameter shield.
And other effects.
【図１】本発明第１実施例断面図。FIG. 1 is a sectional view of a first embodiment of the present invention.
【図２】本発明第２実施例断面図。FIG. 2 is a sectional view of a second embodiment of the present invention.
【図３】本発明第３実施例断面図。FIG. 3 is a sectional view of a third embodiment of the present invention.
１,21,41 カッタ−モ−タ ２ 出力軸 ３,22,42 ピニオン ４ 前胴枠体 ５,27,47 内歯歯車 ６,24,44 中間支持
リング ７,25,45 中間支持ア−ム ８,26,36,46 外周
カッタ−ヘッド ９,30,49 センタ−ギヤ 10,31,50 キ− 11,32,51 センタ−軸 12,33,52 中心部カ
ッタ−ヘッド 13a,13b,13c,53,54 練り混ぜ翼 23,43 外歯歯車 28a,28b,48 アイドルギヤ 29 軸 34 連結ピン 35 嵌脱クラッチ 44a センタ−バルクヘッド1,21,41 Cutter motor 2 Output shaft 3,22,42 Pinion 4 Front body frame 5,27,47 Internal gear 6,24,44 Intermediate support ring 7,25,45 Intermediate support arm 8,26,36,46 Outer peripheral cutter head 9,30,49 Center gear 10,31,50 Key 11,32,51 Center shaft 12,33,52 Center cutter head 13a, 13b, 13c, 53,54 Mixing blade 23,43 External gear 28a, 28b, 48 Idle gear 29 Shaft 34 Connecting pin 35 Fitting / disengaging clutch 44a Center bulkhead
Claims (2)
おいて、外周カッタ−ヘッドと中心部カッタ−ヘッドを
一組の動力系統で駆動して二重反転を伝達し、かつ夫々
個別の回転を伝達するようにしたことを特徴とするシ−
ルド掘進機の二重反転カッタ−ヘッドの駆動機構。1. In a double cutter head shield machine, the outer cutter head and the central cutter head are driven by a set of power systems to transmit double inversion and to rotate individually. Is characterized by transmitting the
Drive mechanism for counter-rotating cutter head of rudder machine.
力系統で駆動する二重反転する練り混ぜ装置を設けた請
求項１のシ−ルド掘進機の二重反転カッタ−ヘッドの駆
動機構。2. The drive mechanism for the counter-rotating cutter head of a shield machine according to claim 1, further comprising a counter-rotating kneading device driven by the power system of the cutter head in the center of the chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03335879A JP3092872B2 (en) | 1991-11-27 | 1991-11-27 | Counter-rotating cutter head for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP03335879A JP3092872B2 (en) | 1991-11-27 | 1991-11-27 | Counter-rotating cutter head for shield machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1889096A Division JP2755380B2 (en) | 1996-02-05 | 1996-02-05 | Drive mechanism for double cutter head shield machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05149089A true JPH05149089A (en) | 1993-06-15 |
| JP3092872B2 JP3092872B2 (en) | 2000-09-25 |
Family
ID=18293400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP03335879A Expired - Fee Related JP3092872B2 (en) | 1991-11-27 | 1991-11-27 | Counter-rotating cutter head for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3092872B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011032819A (en) * | 2009-08-05 | 2011-02-17 | Ihi Corp | Shield machine |
| CN106050251A (en) * | 2016-07-29 | 2016-10-26 | 天津大学 | Two-stage telescopic heading machine combined cutterhead with adjustable open rate |
| CN110656946A (en) * | 2019-11-04 | 2020-01-07 | 中铁工程装备集团有限公司 | Shield constructs inside and outside double-deck main drive system of machine |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58595A (en) * | 1981-06-24 | 1983-01-05 | 日立造船株式会社 | Shield excavator |
| JPH02266093A (en) * | 1989-04-05 | 1990-10-30 | Nippon Tsushin Kensetsu Kk | Shield excavator |
-
1991
- 1991-11-27 JP JP03335879A patent/JP3092872B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58595A (en) * | 1981-06-24 | 1983-01-05 | 日立造船株式会社 | Shield excavator |
| JPH02266093A (en) * | 1989-04-05 | 1990-10-30 | Nippon Tsushin Kensetsu Kk | Shield excavator |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011032819A (en) * | 2009-08-05 | 2011-02-17 | Ihi Corp | Shield machine |
| CN106050251A (en) * | 2016-07-29 | 2016-10-26 | 天津大学 | Two-stage telescopic heading machine combined cutterhead with adjustable open rate |
| CN110656946A (en) * | 2019-11-04 | 2020-01-07 | 中铁工程装备集团有限公司 | Shield constructs inside and outside double-deck main drive system of machine |
| CN111963185A (en) * | 2020-07-30 | 2020-11-20 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
| CN111963185B (en) * | 2020-07-30 | 2022-02-01 | 上海隧道工程有限公司 | Cutter head driving device of hard rock dual-mode center deslagging TBM (tunnel boring machine) |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3092872B2 (en) | 2000-09-25 |
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