JP2791262B2 - Multifunctional excavator reinforcement equipment - Google Patents
Multifunctional excavator reinforcement equipmentInfo
- Publication number
- JP2791262B2 JP2791262B2 JP5071874A JP7187493A JP2791262B2 JP 2791262 B2 JP2791262 B2 JP 2791262B2 JP 5071874 A JP5071874 A JP 5071874A JP 7187493 A JP7187493 A JP 7187493A JP 2791262 B2 JP2791262 B2 JP 2791262B2
- Authority
- JP
- Japan
- Prior art keywords
- gantry
- excavator
- work
- excavation
- 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.)
- Expired - Fee Related
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Earth Drilling (AREA)
- Lining And Supports For Tunnels (AREA)
- Leg Units, Guards, And Driving Tracks Of Cranes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、山岳トンネル等のトン
ネル工事における多機能掘削機におけるガントリー本体
の補強装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for reinforcing a gantry body in a multifunctional excavator in tunnel construction such as a mountain tunnel.
【０００２】[0002]
【従来の技術】従来、トンネル工事においては、地盤の
地質が比較的安定な場合にＮＡＴＭミニベンチ工法が採
用され、切羽からの掘削、ズリ積み、ズリ搬出、支保工
建て込み、一次覆工用吹き付け、ロックボルトの施工、
等の各作業区分がある。2. Description of the Related Art Conventionally, in tunnel construction, when the geology of the ground is relatively stable, the NATM mini-bench method has been adopted, and excavation from a face, piled up, slipped out, shoring built, spraying for primary lining. , Rock bolt construction,
And so on.
【０００３】前記掘削作業では削岩機が、ズリ積み作業
ではズリ積機が、ズリ搬出作業では機関車やズリトロ若
しくはダンプトラックが、支保工建て込み作業では移動
式等の支保工建込み装置が、吹き付け作業では吹き付け
ロボット及びコンクリートポンプ等の機械が各々使用さ
れている。In the above-mentioned excavation work, a rock drilling machine, in a shed stacking work, a shed pile machine, in a shed unloading work, a locomotive, a slipper or a dump truck, and in a shoring work, a mobile-type or other support-building device is used. In the spraying operation, machines such as a spraying robot and a concrete pump are used.
【０００４】かかる掘削作業では、上述の掘削作業から
一次覆工作業までの各作業は、各々単独の作業であっ
て、順次作業機械等の設置交換や人員配置の組み替えを
行うことにより、その入れ替え作業に時間が掛かって工
期が長期化する。In such excavation work, each of the above-mentioned works from the excavation work to the primary lining work is an independent work, and the work is exchanged by sequentially changing the installation of work machines and the like and the rearrangement of personnel. The work takes time and the construction period is lengthened.
【０００５】また、前記各作業は並行処理ができないの
で、例えばズリ処理に時間が掛かるとともに、切羽を開
けられないので掘削中は他の作業ができないこととなっ
て、ミニベンチ工法での上半部と下半部の同時掘削がで
きず工期の短縮化が図れないものであった。[0005] In addition, since the above-mentioned operations cannot be performed in parallel, it takes a long time to remove, for example, and the face cannot be opened, so that other operations cannot be performed during excavation. And the lower half could not be excavated at the same time, making it impossible to shorten the construction period.
【０００６】そこで、図４乃至図５に示すように、ガン
トリー型の掘削機に切羽部に必要な作業機械を搭載し、
作業の並行進行を可能にして作業能率の効率化と省力化
により工期の短縮及び安全性を図る多機能掘削機を提供
した。Therefore, as shown in FIGS. 4 and 5, a work machine required for a face portion is mounted on a gantry type excavator.
A multi-function excavator that enables parallel progression of work, thereby shortening the construction period and improving safety by improving work efficiency and saving labor was provided.
【０００７】当該多機能掘削機１は、自己保持型の走行
レール１３上を自走し、水平架台３を脚柱４で支承する
セミボックス型ガントリー本体２を設け、前記架台３の
上部には、その先端側ではトンネル軸方向に自走可能な
自由断面掘削機５と吹付け機６と、前記架台３の中央部
から後端部に亘ってトンネル軸方向に移動自在なクレー
ン７と、その側部でトンネル軸方向に移動自在なエレク
ター兼用のマンケージ８とを各々設け、前記ガントリー
本体２にはトンネル軸方向に移動自在な削岩機９を設け
るとともに、前記ガントリー本体２の先端部の架台３下
部スペースに別体の掘削兼用ズリ搬出機１０を収納自在
にして構成したものである。The multifunctional excavator 1 is provided with a semi-box type gantry body 2 which runs on a self-holding traveling rail 13 and supports a horizontal gantry 3 with a pedestal 4. A free-section excavator 5 and a spraying machine 6 capable of self-propelling in the tunnel axial direction on the tip side thereof; a crane 7 movable in the tunnel axial direction from the center to the rear end of the gantry 3; The gantry body 2 is provided with a rock drill 9 that is movable in the tunnel axis direction, and a gantry at the tip of the gantry body 2 is provided. 3. A separate excavation / slipping unloader 10 can be stored in the lower space.
【０００８】前記多機能掘削機１によれば、ミニベンチ
工法において、上半部と下半部の掘削・ズリ出し、支保
工建て込み、吹き付け、ロックボルト施工の一連の作業
が、作業の安全性を確保しつつ並行作業が可能となる。
そして、作業の交代では、ガントリー本体２の各種作業
機５，６，８，９，１０，等を切羽側に進出・後退の移
動を行うだけでよく、迅速な作業交代が実現されて、工
期が短縮されるのである。According to the multifunctional excavator 1, in the mini bench method, a series of operations of excavation / slipping of the upper and lower halves, embedding of the support, spraying, and rock bolting work are performed with safety. Parallel work is possible while securing
In the work change, it is only necessary to move the various working machines 5, 6, 8, 9, 10, etc. of the gantry body 2 toward and away from the face side, and a quick work change is realized, Is shortened.
【０００９】[0009]
【発明が解決しようとする課題】しかしながら、上述の
多機能掘削機１において、ガントリー本体２には、多数
の作業機械を搭載していることや、自由断面掘削機５の
掘削時の反力をとること等から、脚柱４，４が本体内側
に片寄ったり、アウトリガー４ａで反力を受けるには不
安定であると言った問題点がある。However, in the multifunctional excavator 1 described above, the gantry body 2 has a large number of working machines mounted thereon, and the reaction force of the free-section excavator 5 during excavation is reduced. For this reason, there is a problem that the pillars 4 and 4 are biased toward the inside of the main body or are unstable to receive a reaction force by the outrigger 4a.
【００１０】本発明は、上記の課題に鑑みてなされたも
ので、多機能掘削機のガントリー本体を構造的に補強
し、掘削作業の安定性に優れた多機能掘削機のガントリ
ー本体用の補強装置を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has a structure in which a gantry main body of a multifunctional excavator is structurally reinforced, and a gantry main body of a multifunctional excavator excellent in excavation work stability is provided. It is intended to provide a device.
【００１１】[0011]
【課題を解決するための手段】本発明の上記課題を解決
し上記目的を達成するための要旨は、自己保持型の走行
レール上を自走し、水平架台を脚柱で支承するセミボッ
クス型ガントリー本体を設け、前記架台若しくはガント
リー本体に、トンネル軸方向に移動自在な自由断面掘削
機や吹付け機等の切羽面の掘削に必要な作業機械を設け
た多機能掘削機における補強装置であって、前記ガント
リー本体の対向する脚柱間に所定幅の平板体を上下移動
自在に架設し、該平板体の下面にスベリ止め用のリブを
トンネル軸方向と直交する方向に突設したものである。The gist of the present invention to solve the above-mentioned problems and achieve the above-mentioned object is to provide a semi-box type in which a self-propelled traveling rail is supported and a horizontal gantry is supported by pillars. A reinforcing device for a multi-function excavator provided with a gantry body and provided with a work machine necessary for excavation of a face such as a free-section excavator or a spraying machine movable in the tunnel axis direction on the gantry or the gantry body. A flat plate having a predetermined width is vertically erected between opposing pillars of the gantry main body, and a rib for preventing slippage is provided on the lower surface of the flat plate so as to protrude in a direction perpendicular to the tunnel axis direction. is there.
【００１２】[0012]
【作用】本発明の補強装置によれば、セミボックス型の
ガントリー本体が補強用の平板体によって脚柱間が係合
されて強固な筐体となり、かつ、当該平板体のリブがト
ンネル地盤に良く食い込んでガントリー本体で作業機械
の反力を十分にとれるようになる。According to the reinforcing device of the present invention, the semi-box type gantry main body is connected to the pillars by the reinforcing flat body to form a strong housing, and the ribs of the flat body are connected to the tunnel ground. The gantry body will be able to squeeze well and take sufficient reaction force from the work machine.
【００１３】[0013]
【実施例】次に、本発明に係る一実施例について図面を
参照して詳細に説明する。図１は、本発明に係る補強装
置を設けた多機能掘削機の正面図、図２はその側面図、
図３は平板体の底面図である。図において符号２０は平
板体、２１はリブ、２２，２３は油圧ジャッキを各々示
している。なお、従来例に対応する部分には同符号を付
けてある。Next, an embodiment of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view of a multifunctional excavator provided with a reinforcing device according to the present invention, FIG. 2 is a side view thereof,
FIG. 3 is a bottom view of the flat body. In the figure, reference numeral 20 denotes a flat plate, 21 denotes a rib, and 22, 23 denote hydraulic jacks. Note that the same reference numerals are given to portions corresponding to the conventional example.
【００１４】本発明の補強装置は、図１乃至図３に示す
ように、ガントリー本体２の対向する脚柱４，４間に所
定幅の平板体２０を上下移動自在に架設し、該平板体２
０の下面にスベリ止め用のリブ２０をトンネル軸方向と
直交する方向に突設したものである。As shown in FIGS. 1 to 3, the reinforcing device according to the present invention comprises a flat body 20 having a predetermined width, which is vertically movable between opposing pillars 4 and 4 of the gantry body 2, and 2
A rib 20 for preventing slippage is provided on the lower surface of the reference numeral 0 in a direction perpendicular to the axial direction of the tunnel.
【００１５】平板体２０は、図１に示すように、断面Ｕ
字状であり、図３で示すように所定幅にしてある。そし
て、その下面には、リブ２０が適宜間隔で並列に突設さ
れている。As shown in FIG. 1, the flat body 20 has a cross section U
It has a predetermined width as shown in FIG. On the lower surface, ribs 20 are provided in parallel at appropriate intervals.
【００１６】この平板体２０を、ガントリー本体２に複
数垂設されている脚柱４において、トンネル軸方向に直
交する方向で対向している脚柱４，４間に架設する。よ
って、ガントリー本体２のトンネル軸方向の全長に亘っ
て、少なくとも２箇所〜４箇所程度に前記平板体２０を
架設するものである。The plurality of flat plates 20 are provided between a plurality of pillars 4 vertically extending from the gantry body 2 and opposed to each other in a direction orthogonal to the tunnel axis direction. Therefore, the flat body 20 is erected at at least about two to four places over the entire length of the gantry body 2 in the tunnel axial direction.
【００１７】そして、前記平板体２０を上下方向に移動
自在とするために、図１乃至図２に示すように、平板体
２０の両端部に油圧ジャッキ２２，２３のロッド２２
ａ，２３ａ先端を連結し、該油圧ロッド２２，２３は脚
柱４に固設するものである。As shown in FIGS. 1 and 2, rods 22 of hydraulic jacks 22, 23 are provided at both ends of the flat plate 20 so that the flat plate 20 can be moved vertically.
The hydraulic rods 22 and 23 are fixed to the pillar 4.
【００１８】このようにガントリー本体２に補強用の平
板体２０を設けることで、ガントリー本体２に装備され
た、自由断面掘削機５や吹付け機６、クレーン７やエレ
クター兼用のマンケージ８、削岩機９等の作業機械の重
量に十分な強度を発揮し、また、切羽面の掘削作業にお
ける反力が、トンネル地盤に油圧ジャッキ２２，２３で
押圧されたリブ２１付の平板体２０と、トンネル地盤に
向けて伸長されたアウトリガー４ａと協同してとること
になり、掘削作業が安定する。By providing the reinforcing flat body 20 in the gantry body 2 in this manner, the free-section excavator 5, the spraying machine 6, the crane 7, the mancage 8 also serving as an erector, and the cutting machine provided in the gantry body 2 are provided. A flat plate 20 with ribs 21 pressed against hydraulic pressure jacks 22 and 23 against the tunnel ground, and exhibits a sufficient strength against the weight of the working machine such as the rock drill 9; It is taken in cooperation with the outrigger 4a extended toward the tunnel ground, and the excavation work is stabilized.
【００１９】また、多機能掘削機１を切羽側に前進させ
る時には、前記油圧ジャッキ２２，２３のロッド２２
ａ，２３ａを引き込んで平板体２０をトンネル地盤から
上方に離間させるものであり、掘削時における掘削兼用
ズリ搬出機１０や車両等は平板体２０の上を通過するも
のである。When the multi-function excavator 1 is advanced to the face side, the rods 22 of the hydraulic jacks 22 and 23 are required.
The flat body 20 is pulled upward from the tunnel ground by drawing in the a and 23a. The excavation / slipping unloader 10 and the vehicle during excavation pass over the flat body 20.
【００２０】[0020]
【発明の効果】以上説明したように、本発明の多機能掘
削機の補強装置は、自己保持型の走行レール上を自走
し、水平架台を脚柱で支承するセミボックス型ガントリ
ー本体を設け、前記架台若しくはガントリー本体に、切
羽面の掘削に必要な作業機械を設けた多機能掘削機にお
ける補強装置であって、前記ガントリー本体の対向する
脚柱間に所定幅の平板体を上下移動自在に架設し、該平
板体の下面にスベリ止め用のリブをトンネル軸方向と直
交する方向に突設したものなので、セミボックス型のガ
ントリー本体が補強用の前記平板体によって脚柱間が係
合されて強固な筐体となって強度的に補強され、かつ、
当該平板体に突設したリブがトンネル地盤に良く食い込
んでガントリー本体の作業機械の反力を十分にとれるよ
うになり作業の安定性が増すと云う優れた効果を奏す
る。As described above, the reinforcement device for a multi-function excavator according to the present invention is provided with a semi-box type gantry body which runs on a self-holding traveling rail and supports a horizontal gantry with a pillar. A reinforcing device in a multi-function excavator provided with a work machine required for excavation of a face face on the gantry or the gantry body, wherein a flat body having a predetermined width is vertically movable between opposed pillars of the gantry body. The semi-box type gantry body is engaged between the pillars by the reinforcing flat plate, because a rib for preventing slippage is provided on the lower surface of the flat plate so as to protrude in the direction perpendicular to the tunnel axis direction. To become a strong housing, reinforced in strength, and
The ribs protruding from the flat body penetrate well into the tunnel ground, so that the reaction force of the working machine of the gantry main body can be sufficiently obtained, and an excellent effect that work stability is improved is exhibited.
【図１】本発明に係る補強装置を設けた多機能掘削機の
正面図である。FIG. 1 is a front view of a multi-function excavator provided with a reinforcing device according to the present invention.
【図２】同その側面図である。FIG. 2 is a side view of the same.
【図３】平板体の底面図である。FIG. 3 is a bottom view of the flat body.
【図４】従来例に係る多機能掘削機の斜視図である。FIG. 4 is a perspective view of a multifunctional excavator according to a conventional example.
【図５】同正面図である。FIG. 5 is a front view of the same.
２０ 平板体、 ２１ リブ、 ２２，２３ 油圧ジャッキ。 20 flat body, 21 rib, 22, 23 hydraulic jack.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 岡村 光政 東京都中央区京橋１−７−１ 戸田建設 株式会社内 (72)発明者 石垣 和明 東京都中央区京橋１−７−１ 戸田建設 株式会社内 (72)発明者 宮内 政男 東京都中央区京橋１−７−１ 戸田建設 株式会社内 (72)発明者 中村 吉男 東京都北区西ヶ原１−27−３ 古河ドリ ルテック株式会社内 (56)参考文献 特開 昭53−63723（ＪＰ，Ａ) 特開 平６−257376（ＪＰ，Ａ) 特開 平６−280476（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) E21D 9/10 E21C 11/00 E21D 11/10──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Mitsumasa Okamura 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Kazuaki Ishigaki 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. In-house (72) Inventor Masao Miyauchi 1-7-1 Kyobashi, Chuo-ku, Tokyo Toda Construction Co., Ltd. (72) Inventor Yoshio Nakamura 1-27-3, Nishigahara, Kita-ku, Tokyo Furukawa Drill Tech Co., Ltd. (56) References JP-A-53-63723 (JP, A) JP-A-6-257376 (JP, A) JP-A-6-280476 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name ) E21D 9/10 E21C 11/00 E21D 11/10
Claims (1)
平架台を脚柱で支承するセミボックス型ガントリー本体
を設け、前記架台若しくはガントリー本体に、トンネル
軸方向に移動自在な自由断面掘削機や吹付け機等の切羽
面の掘削に必要な作業機械を設けた多機能掘削機におけ
る補強装置であって、前記ガントリー本体の対向する脚
柱間に所定幅の平板体を上下移動自在に架設し、該平板
体の下面にスベリ止め用のリブをトンネル軸方向と直交
する方向に突設したことを特徴としてなる多機能掘削機
の補強装置。1. A semi-box type gantry main body which runs on a self-holding type traveling rail and supports a horizontal pedestal with a pillar, and a free section excavation is provided on said gantry or gantry main body so as to be movable in a tunnel axial direction. A multi-functional excavator provided with a working machine necessary for excavation of a face such as a drilling machine or a spraying machine, wherein a flat body having a predetermined width is vertically movable between opposed legs of the gantry body. A reinforcing device for a multifunctional excavator, wherein the reinforcing member is provided, and a rib for preventing slippage is provided on a lower surface of the flat plate so as to protrude in a direction orthogonal to a tunnel axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071874A JP2791262B2 (en) | 1993-03-30 | 1993-03-30 | Multifunctional excavator reinforcement equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5071874A JP2791262B2 (en) | 1993-03-30 | 1993-03-30 | Multifunctional excavator reinforcement equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06280477A JPH06280477A (en) | 1994-10-04 |
| JP2791262B2 true JP2791262B2 (en) | 1998-08-27 |
Family
ID=13473105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5071874A Expired - Fee Related JP2791262B2 (en) | 1993-03-30 | 1993-03-30 | Multifunctional excavator reinforcement equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2791262B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107605492A (en) * | 2017-09-19 | 2018-01-19 | 北京迈弛科技发展有限公司 | A kind of tunneling equipment for carrying Multi Loading and Unloading Functions |
| CN113501437B (en) * | 2021-05-27 | 2024-03-05 | 中铁十九局集团第三工程有限公司 | Foundation pit portal type slag discharging and lifting device |
-
1993
- 1993-03-30 JP JP5071874A patent/JP2791262B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06280477A (en) | 1994-10-04 |
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