JP2005336915A - Shaft excavation device - Google Patents

Shaft excavation device Download PDF

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JP2005336915A
JP2005336915A JP2004159516A JP2004159516A JP2005336915A JP 2005336915 A JP2005336915 A JP 2005336915A JP 2004159516 A JP2004159516 A JP 2004159516A JP 2004159516 A JP2004159516 A JP 2004159516A JP 2005336915 A JP2005336915 A JP 2005336915A
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scaffold
excavation
shaft
excavator
machine
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JP4272591B2 (en
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Isao Kataigi
功 片居木
Kiyoshi Matsushita
清 松下
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Sumitomo Mitsui Construction Co Ltd
三井住友建設株式会社
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<P>PROBLEM TO BE SOLVED: To provide a shaft excavation device excavating even pit bottom working face having many rock-beds by a machine excavator mounted on a scaffold without using blasting, constructing on even the ground having, in particular, many rock-beds without disturbing peripheral ground by loading digged muck on a kibble by a muck loading machine provided so as to elevate, to lower, and to move for the scaffold, and the excavation device providing sufficient effect even when applying to shaft excavation having comparatively small cross section and large depth. <P>SOLUTION: These shaft excavation devices 1A, 1B are constituted in such a way that the machine excavator 4 enabling free cross section excavation is mounted on the scaffold 3, the muck loading mechines 5, 55 performing turn operation for loading muck digged by the machine excavator 4 on the muck kibble 6 lowered on the pit bottom working face and rising and falling-down operation by expansion and contraction are arranged along a side part of the scaffold 3 so as to elevate, to lower, and to move, and locking holding means 41, 42, 43, 44, 45 for connecting lining concrete 16 and the scaffold 3 mutually and detachably are provided on upper part sides of the muck loading machines 5, 55. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、坑底切羽を機械掘削してずりを地上へ排出させながら、掘削孔の内壁面に覆工を施して立坑を構築する立坑掘削装置に係り、特に岩盤などが多い地盤に対しても周辺地盤を乱すことなく施工できると共に、比較的小断面で且つ大深度の立坑掘削にも適用することが可能な立坑掘削装置に関する。   The present invention relates to a shaft excavating apparatus that constructs a shaft by covering the inner wall surface of a drilling hole while mechanically excavating the bottom face and discharging the shear to the ground, especially for ground with many rocks and the like Further, the present invention relates to a shaft excavating apparatus that can be constructed without disturbing the surrounding ground and can be applied to shaft excavation with a relatively small cross section and a large depth.
従来技術による立坑掘削装置は、例えば特許文献1に開示されているように、スカフォード(昇降移動式の作業足場)に穿孔装置を搭載し、穿孔した坑底切羽に発破を仕掛けて粉砕したり、特許文献2に開示されているように、坑底切羽に吊り降ろした自走式のバックホー掘削機又は、覆工コンクリートと同型枠間に敷設したガイドレール上を昇降移動させたバックホー掘削機で地山を掘削し、これらの掘削手段で掘削したずりをキブルで地上へ排出する形態のものがある。   For example, as disclosed in Patent Document 1, a shaft excavating device according to the prior art is equipped with a drilling device on a scaffold (lifting / moving work scaffold) and blasting the drilled bottom bottom face for pulverization. As disclosed in Patent Document 2, a self-propelled backhoe excavator suspended from a bottom face or a backhoe excavator moved up and down on a guide rail laid between lining concrete and the same frame There is a type of excavating natural ground and discharging the excavation by these excavation means to the ground with a kibble.
また、特許文献3に開示されているように、スカフォードにカッターを備えた機械掘削機及びバキュームによる吸引装置を旋回可能に搭載し、カッターで掘削したずりをバキュームによる吸引装置で地上へ排出する形態のもの、特許文献4に開示されているように、特許文献3の場合と同様にスカフォードに機械掘削機及びバキュームによる吸引装置を旋回可能に搭載し、坑底切羽に注水してビットで水中掘削してスラリー状のずりをバキュームによって地上へ排出する形態のもの、などがある。
特許第2797244号公報 特許第3350761号公報 特公平5−34475号公報 特許第2566427号公報
Further, as disclosed in Patent Document 3, a machine excavator equipped with a cutter and a vacuum suction device are mounted on the scaffold so as to be able to turn, and debris excavated by the cutter is discharged to the ground by a vacuum suction device. As disclosed in Patent Document 4, as in the case of Patent Document 4, a mechanical excavator and a vacuum suction device are mounted on the scaffold so as to be able to swivel. There is a form of excavating underwater and discharging slurry-like shear to the ground by vacuum.
Japanese Patent No. 2797244 Japanese Patent No. 3350761 Japanese Patent Publication No. 5-34475 Japanese Patent No. 2566427
しかしながら、これらの従来技術には改善を必要とする幾つかの課題が残されており、例えば特許文献1などのように掘削手段として単独で発破を用いたり、他の掘削手段と併用して岩盤の破砕に発破を用いた場合には、発破によって立坑の周辺地盤を崩壊又は緩める恐れがあると共に、発破を仕掛ける際にその都度スカフォードを坑底切羽から離れた高位置へ退避させておく必要がある。   However, these prior arts still have some problems that need improvement. For example, as disclosed in Patent Document 1, blasting is used alone as a drilling means, or the rock mass is used in combination with other drilling means. When blasting is used for crushing, the ground around the shaft may be collapsed or loosened by blasting, and each time the blasting is performed, the scaffold must be retreated to a high position away from the bottom face of the shaft. There is.
また、特許文献2における従来技術のように掘削手段として坑底切羽で自走式のバックホー掘削機を用いる場合には、バックホー掘削機が移動可能で掘削作業や型枠設置作業を阻害しない大断面の立坑掘削に対しては有効に機能するが、バックホー掘削機の移動が困難な小断面の立坑掘削に対しては、特に機体下の掘削及びずり出しができず且つ機体が型枠の設置作業を阻害したり、バックホーで掘削できない岩盤を発破で破砕するので周辺地盤を崩壊又は緩める恐れがあると共に、発破の際にはバックホー掘削機を吊り上げて坑底切羽から離れた高位置へ退避させておく必要がある。   In addition, when a self-propelled backhoe excavator is used as a drilling means as a drilling means as in the prior art in Patent Document 2, the backhoe excavator is movable and has a large cross section that does not hinder excavation work or formwork installation work. It works effectively for vertical shaft excavation, but it is difficult to excavate and project under the fuselage, especially for vertical excavation of small sections where the backhoe excavator is difficult to move. The rocks that cannot be excavated by the backhoe are crushed by blasting, so the surrounding ground may collapse or loosen, and when blasting, the backhoe excavator is lifted and retreated to a high position away from the bottom face. It is necessary to keep.
また、特許文献2の発明における昇降移動式のバックホー掘削機を用いる場合には、一定スパンを掘削して覆工コンクリートを施工する毎に、バックホー掘削機を吊り上げて新たな覆工コンクリートに対してガイドレールの付け替え作業を行う必要があり、養生期間の短い坑底切羽近くの覆工コンクリートにバックホー掘削機の偏荷重が加わる恐れがあり、バックホーで掘削できない岩盤を発破で破砕するので周辺地盤を崩壊又は緩める恐れがあると共に、発破の際にはバックホー掘削機を吊り上げて坑底切羽から離れた高位置へ退避させておく必要がある。   Moreover, when using the back-and-forth movement type backhoe excavator in the invention of Patent Document 2, every time when excavating a certain span and constructing the lining concrete, the backhoe excavator is lifted to a new lining concrete. It is necessary to replace the guide rail, and there is a risk that the backhoe excavator's unbalanced load may be applied to the lining concrete near the bottom face of the tunnel, which has a short curing period. In addition to the possibility of collapse or loosening, it is necessary to lift the backhoe excavator and evacuate it to a high position away from the bottom face when blasting.
また、特許文献3などのようにずり出し手段としてバキュームによる吸引装置を用いた場合には、大深度の立坑掘削に適用した際に大型のバキュームポンプが必要であり、ずりの粒径の大小やポンプの吸引能力などによって目詰まりを生ずる恐れがあると共に、特に岩石などの大径のずりは吸引によるずり出しが困難であるので、ずりキブルなどによるずり出し手段を用いて別途ずり出しを行う必要がある。   In addition, when a vacuum suction device is used as the projecting means as in Patent Document 3, a large vacuum pump is required when applied to deep shaft excavation, and the particle size of the shear is large or small. There is a risk of clogging due to the suction capacity of the pump, etc. In addition, it is difficult to slide out large diameters such as rocks by suction. There is.
また、特許文献4などのように掘削手段として坑底切羽に注水して水中掘削を行う場合には、スラリー状にしてずり出しを行うので目詰まりは少ないが、岩石などの大径のずりはキブルなどのずり出し手段を用いて別途ずり出しを行う必要があること、注水によって周辺地山が緩んだり崩壊する恐れがあると共に、地下水の多寡に対応して水位を一定に保持する設備及び制御が必要である。   In addition, when water is excavated by injecting water into the bottom face as an excavating means as in Patent Document 4, etc., since the slurry is pushed out, clogging is small, but large diameter shear such as rocks is Equipment and control that keeps the water level constant according to the amount of groundwater, as well as the need to carry out a separate extraction using a kibble or other means, the surrounding ground may loosen or collapse due to water injection is required.
本発明は、これら従来技術の課題を解決し得る立坑掘削装置であって、掘削手段としてスカフォードに装着した機械掘削機を用いて、岩盤などが多い坑底切羽でも発破を用いずに掘削できるようにし、ずり出し手段として掘削したずりをスカフォードに対して昇降移動可能に設けたずり積み機でキブルに積み込むようにすることで、特に岩盤などが多い地盤に対しても周辺地盤を乱すことなく施工できると共に、比較的小断面で且つ大深度の立坑掘削に適用しても十分に効果を発揮することが可能な立坑掘削装置を提供する。   The present invention is a shaft excavator that can solve these problems of the prior art, and can be excavated without blasting even with a bottom face having a lot of rock or the like by using a machine excavator attached to a scaffold as excavation means. In this way, it is possible to disturb the surrounding ground even in the case of ground with a lot of rocks, etc. There is provided a shaft excavation apparatus that can be constructed without any problem and that can exhibit a sufficient effect even when applied to shaft excavation with a relatively small cross section and a large depth.
本発明による立坑掘削装置は、自由断面掘削が可能な機械掘削機をスカフォードに装着すると共に、この機械掘削機で掘削したずりを坑底切羽に吊り降ろしたずりキブルにずり積みする旋回作動及び伸縮による起伏作動が可能なずり積み機が、スカフォードの側部に沿って昇降移動可能に配置され、このずり積み機の上部側には覆工コンクリート及びスカフォードの間を着脱可能に連結する係止保持手段を設けた。(請求項1)   The shaft excavation device according to the present invention is equipped with a swing excavation operation in which a machine excavator capable of excavating a free cross section is mounted on a scaffold and the shear excavated by the mechanical excavator is piled up into a shear kibble suspended from a bottom face and A stacking machine capable of undulating operation by expansion and contraction is arranged to be movable up and down along the side of the scaffold, and the upper side of the stacker is detachably connected between the lining concrete and the scaffold. Locking and holding means was provided. (Claim 1)
請求項1の立坑掘削装置における前記ずり積み機は、スカフォード上に装着する形態を採ったり(請求項2)、地上から懸吊する形態を採る(請求項3)ことができると共に、前記ずり積み機の上部側にはスカフォードの上段デッキの上方と下段デッキの下方との間で昇降移動可能な作業者が搭乗する操作室を設け、この操作室が前記係止保持手段を介して、覆工コンクリート及びスカフォードの間で着脱可能に連結される形態を採る(請求項4)ことができる。   The pile stacker in the shaft excavator of claim 1 can take the form of being mounted on a scaffold (Claim 2), or can be suspended from the ground (Claim 3), and the shear On the upper side of the stacker is provided an operation room on which an operator who can move up and down between the upper deck of the scaffold and the lower deck is boarded. It is possible to adopt a form in which the lining concrete and the scaffold are detachably connected (claim 4).
請求項1の立坑掘削装置では、掘削時にはずり積み機を作業の邪魔にならない上方の待避位置に上昇させて係止保持手段で固定支持した状態にし、スカフォードを下降させてスカフォードに装着した自由断面掘削が可能な機械掘削機を用いて坑底切羽の掘削作業を行い、ずり積み及びずり出し時には機械掘削機が作業の邪魔にならない位置までスカフォードを上昇させると共に、ずり積み機を坑底切羽近くまで下降させて係止保持手段で固定支持した状態にし、坑底切羽に吊り降ろしたずりキブルにずり積みを行うことができる。   In the shaft excavation device according to claim 1, when the excavator is raised to an upper retreat position that does not interfere with work during excavation, it is fixedly supported by the locking holding means, and the scaffold is lowered and attached to the scaffold. Drilling the bottom face using a machine excavator capable of free-section excavation, raising the scaffold to a position where the machine excavator does not interfere with the work at the time of stacking and projecting, and moving the stacker to the Lowering to near the bottom face and fixing and supporting by the locking and holding means, it is possible to carry out the stacking in the shear kibble suspended from the bottom face.
従って、特許文献1及び特許文献2などのように発破を使用しなくても岩盤の多い坑底切羽の掘削を行うことができ、立坑の周辺地盤を崩壊又は緩める恐れがないと共に、掘削機やずり積み機及びスカフォードなどを坑底切羽から離れた高位置へ退避させる必要もなく、機械掘削機とずり積み機とが相互に干渉することなく掘削作業とずり積み及びずり出し作業を行うことが可能であるから、特に小断面で大深度の立坑掘削であっても安全且つ能率的に作業を行うことができる。   Therefore, as in Patent Document 1 and Patent Document 2, it is possible to excavate the bottom face with a lot of rock without using blasting, and there is no fear of collapsing or loosening the surrounding ground of the shaft, There is no need to retract the pile stacker and scaffolding to a high position away from the bottom face, and the excavator and pile stacker do not interfere with the machine excavator and the pile stacker. Therefore, it is possible to work safely and efficiently even when excavating a shaft with a small cross section and a large depth.
また、特許文献2における従来技術の自走式のバックホー掘削機を用いる場合に比べて、小断面立坑の掘削が可能であって型枠直下の掘削及びずり出し作業も容易であり、且つずり積み機が型枠設置を阻害することもなく、特許文献2の発明による昇降移動式のバックホー掘削機を用いる場合に比べて、覆工コンクリートに対して煩雑なガイドレールの付け替え作業を行う必要もなく、特にずり積み機は十分に養生された上方側の覆工コンクリートとスカフォードとの間で固定支持されているので、養生期間の短い坑底切羽近くの覆工コンクリートにずり積み機の偏荷重が加わることもない。   Compared to the case of using the self-propelled backhoe excavator of the prior art in Patent Document 2, it is possible to excavate a small cross-section vertical shaft, facilitate excavation and projecting directly under the formwork, and pile up The machine does not obstruct formwork installation, and it is not necessary to perform complicated guide rail replacement work on the lining concrete as compared with the case of using the back-and-forth movement backhoe excavator according to the invention of Patent Document 2. In particular, since the pile stacker is fixedly supported between the well-cured upper lining concrete and the scaffold, the load of the pile stacker on the lining concrete near the bottom face of the short curing period Will not be added.
また、ずり出しはずりキブルによって行われるので、特許文献3及び特許文献4のようにバキュームポンプを用いる場合に比べて、大深度の立坑掘削や岩盤の多い立坑掘削でも容易にずり出しを行うことが可能であると共に、特に特許文献4のように坑底切羽に注水する場合に比べると、周辺地山を緩めたり崩壊させる恐れがなく且つ水位を一定にさせる制御設備及び操作が不要であるから、安価な設備で容易に作業を行うことができる。   In addition, since it is performed by a sliding-off kibble, it is easy to project even in deep shaft excavation or shaft excavation with a lot of rock compared to the case of using a vacuum pump as in Patent Document 3 and Patent Document 4. In comparison with the case where water is poured into the bottom face as in Patent Document 4, there is no risk of loosening or collapsing the surrounding ground, and control equipment and operation for making the water level constant are unnecessary. It is easy to work with inexpensive equipment.
請求項2の立坑掘削装置のように、ずり積み機をスカフォード上に装着する形態を採ることによって、スカフォードに設置した巻上げ機の吊りロープで懸吊したり、その他公知の直線移動機構を用いた昇降移動手段によって昇降移動させることが可能であり、また請求項3の立坑掘削装置ように、ずり積み機を地上から懸吊する形態を採ることによって、地上に設置した巻上げ機の吊りロープで懸吊する簡単な構成にすることが可能である。   As in the shaft excavator of claim 2, by adopting a form in which a laminating machine is mounted on the scaffold, it is suspended by a hoisting rope of a hoist installed in the scaffold, or other known linear moving mechanism is used. The hoisting rope of the hoisting machine installed on the ground can be moved up and down by the hoisting and moving means used, and the hoisting machine is suspended from the ground as in the shaft excavating device of claim 3. It is possible to make it a simple configuration to suspend with.
請求項4の立坑掘削装置のように、ずり積み機の上部側に作業者が搭乗する操作室を設けると、作業者が至近距離から係止保持手段の着脱操作を行うことができると共に、ずり積み機によるずり積み作業及びずりキブルによるずり出し作業を至近距離で目視しながら操作することが可能である。   If the operation room where an operator board | substrates is provided in the upper part side of a stacking machine like the shaft excavation apparatus of Claim 4, while an operator can perform attachment / detachment operation of a latching holding means from a near distance, a shear It is possible to operate the stacking operation by the stacker and the projecting operation by the shearing kibble while visually checking at a close distance.
本発明の立坑掘削装置について、本発明を適用した好適な実施形態を添付図面に基づいて詳細に説明すると、図1〜8は第1の実施形態による立坑掘削装置を示し、図9及び図10は第2の実施形態による立坑掘削装置を示すが、いずれの実施形態の場合にもスカフォードには機械掘削機を装着すると共に、ずりキブルにずり積みを行うずり積み機がスカフォードの側部に沿って昇降移動可能に装着されており、第1の実施形態ではずり積み機をスカフォードに搭載し、第2の実施形態ではずり積み機を地上から懸吊している。   A preferred embodiment to which the present invention is applied will be described in detail with reference to the accompanying drawings with respect to the shaft excavating apparatus of the present invention. FIGS. 1 to 8 show the shaft excavating apparatus according to the first embodiment, and FIGS. Shows a shaft excavator according to the second embodiment. In any of the embodiments, the scaffold is equipped with a mechanical excavator, and a laminator for carrying out the laminating load is a side portion of the scaffold. In the first embodiment, the loader is mounted on the scaffold, and in the second embodiment, the loader is suspended from the ground.
第1の実施形態による立坑掘削装置1Aは、図1の正面図及び図2の側面図で示すように、立坑2内を昇降移動可能なスカフォード3を作業者の作業足場とし、スカフォード3の下端側に装着した機械掘削機4で坑底切羽の掘削を行い、掘削したずりはスカフォード3の側部を昇降移動可能なずり積み機5で掻き出すと共に、立坑2内を昇降移動可能なずりキブル6に受け渡して地上に排出するようにしており、地上とスカフォード3との間には機材や作業者の搬入及び搬出を行う移送用のエレベータ7が設けられている。   As shown in the front view of FIG. 1 and the side view of FIG. 2, the shaft excavating apparatus 1 </ b> A according to the first embodiment uses a scaffold 3 that can move up and down in the shaft 2 as a working scaffold for workers. The excavation of the bottom face is carried out by a machine excavator 4 attached to the lower end of the shaft, and the excavated shear is scraped out by a laminator 5 capable of moving up and down the side of the scaffold 3 and can be moved up and down in the shaft 2 A transfer elevator 7 is provided between the ground and the scaffold 3 for carrying in and out equipment and workers.
スカフォード3は、図3の平面図で示すように上段デッキ8と中段デッキ9及び下段デッキ10を連結支柱11で相互に連結し、各デッキ間には連絡梯子12を設けて作業者が移動できるように構成され、上段デッキ8にはスカフォード3用の吊りロープ14を巻装するテールシーブ13を設け、地上に設けたトップシーブを介して巻上げ機(図示を省略)に連繋して昇降移動可能に懸吊されると共に、上段デッキ8と下段デッキ10には水平方向へ伸縮作動する複数の固定用ジャッキ15を設け、伸長時に覆工コンクリート16に圧接させて立坑2内の所望位置で係止保持できるようにしている。   As shown in the plan view of FIG. 3, the scaffold 3 connects the upper deck 8, the middle deck 9, and the lower deck 10 to each other by a connecting column 11, and a connecting ladder 12 is provided between the decks so that an operator can move. The upper deck 8 is provided with a tail sheave 13 around which the suspension rope 14 for the scaffold 3 is wound, and is moved up and down linked to a hoisting machine (not shown) via a top sheave provided on the ground. The upper deck 8 and the lower deck 10 are provided with a plurality of fixing jacks 15 that extend and contract in the horizontal direction, and are brought into pressure contact with the lining concrete 16 at the time of extension to be engaged at a desired position in the shaft 2. It can be stopped and held.
また、スカフォード3用の吊りロープ14には振れ止め用のライダー17を設け、ライダー17に係脱するライダー受けを取り付けた吊りロープ19でずりキブル6を懸吊すると共に、同様にして吊りロープ20でエレベータ7が懸吊されており、各デッキ8,9,10にはずりキブル6を通過させるキブル用通孔21,22,23及び、ずり積み機5や風管その他の配管類24を通過させる切欠部25,26,27が、それぞれ整合する位置に設けられている。   Further, the suspension rope 14 for the scaffold 3 is provided with a rider 17 for steadying, and the shearing kibble 6 is suspended by a suspension rope 19 to which a rider receiver to be engaged with and disengaged from the rider 17 is attached. 20, the elevator 7 is suspended, and through the decks 8, 9, 10, the kibble through holes 21, 22, 23 through which the skiving kibble 6 passes and the pile stacker 5, wind pipes and other piping 24 are provided. Notch portions 25, 26, and 27 to be passed are provided at positions where they are aligned.
また、上段デッキ8にはエレベータ7に乗り降りするための乗降台28と、ずり積み機5を操作するための操作室29などを設け、下段デッキ10のキブル用通孔23の周囲には座張り受け金具30を設け、掘削作業時には開口しているキブル用通孔23に対して覆工コンクリート16を打設する際に座張り31を取り付けできるようにし、この座張り31にはコンクリートを供給するシュート32及び、後述するコンクリート型枠内にホースを介してコンクリートを流し込む回転ホッパー33が装着されている。   The upper deck 8 is provided with a boarding platform 28 for getting on and off the elevator 7, an operation room 29 for operating the stacking machine 5, and the like. A receiving bracket 30 is provided so that a covering 31 can be attached when lining concrete 16 is placed in the opening 23 for the kibble that is open during excavation work, and concrete is supplied to the covering 31. A chute 32 and a rotating hopper 33 for pouring concrete through a hose into a concrete mold described later are mounted.
機械掘削機4は、下段デッキ10の下部側に装着されるが、図示の実施形態では坑底切羽の全域に対して掘削可能なロードヘッダーなどによる自由断面掘削機が使用されており、旋回機構部34Aと起伏機構部34Bを備えたスィングブーム34の先端に対して、掘削手段として回転デイスク型のカッターヘッド35が装着され、カッターヘッド35を坑底切羽に押し当てて回転することによって、岩盤などを含む切羽を破砕することが可能であり、このロードヘッダーによる自由断面掘削機は運転席36から操作される。   The machine excavator 4 is mounted on the lower side of the lower deck 10. However, in the illustrated embodiment, a free section excavator such as a load header that can excavate the entire bottom face is used. A rotary disk-type cutter head 35 is mounted as an excavating means on the tip of the swing boom 34 provided with the portion 34A and the undulation mechanism portion 34B, and the rock head is rotated by pressing the cutter head 35 against the bottom face. It is possible to crush the face including the like, and the free-section excavator with this load header is operated from the driver's seat 36.
ずり積み機5は、スカフォード3上からずり積み機5を昇降可能に懸吊する吊下げ部5Aと、作業者がずり積み機5を操作してずり出し作業を行う操作部5Bと、ずりキブル6にずり積みを行うずり積み機本体5Cで構成され、吊下げ部5Aは上段デッキ8の上部側に門形架台37を設けて吊りロープ38の巻上げ機39を取り付け、巻上げ機39の操作で吊りロープ38を介して操作部5B及びずり積み機本体5Cを昇降可能に懸吊するようにしている。   The pile stacker 5 includes a suspension portion 5A for suspending the pile stacker 5 from above the scaffold 3 so as to be movable up and down, an operation portion 5B in which an operator operates the pile stacker 5 and performs a slide-out operation, and a slide It consists of a pile stacker main body 5C that piles up on the kibble 6, and the suspension part 5A is provided with a portal frame 37 on the upper side of the upper deck 8, and a hoisting machine 39 for the hoisting rope 38 is attached. Thus, the operation unit 5B and the laminator main body 5C are suspended through the suspension rope 38 so as to be movable up and down.
操作部5Bには、ずり出し作業に必要な各種の制御装置を搭載して作業者が搭乗する操作室29を設け、操作室29の上下には水平方向に伸縮作動して覆工コンクリート16と係止保持する固定用ジャッキ41,42を装着し、操作室29の上部の両側と下部の中央にはスカフォード3の下段デッキ10及び上段デッキ8と着脱可能にフック状態で係止保持する支持受け具46,47を装着している。   The operation unit 5B is provided with an operation chamber 29 in which various control devices necessary for the projecting work are mounted and on which the operator is boarded. Fixing jacks 41 and 42 for locking and holding are mounted, and support for holding and holding the lower deck 10 and the upper deck 8 of the scaffold 3 in a hook state at both sides of the upper portion of the operation chamber 29 and the center of the lower portion is provided. The receivers 46 and 47 are attached.
図4及び図5は、操作部5Bを介してずり積み機5をスカフォード3と覆工コンクリート16の間で係止保持させる説明図であって、図4は掘削作業時に上方で待機する際における上段デッキ8に対する係止保持状態を示すが、上段デッキ8には先端に支持具43aを設けた油圧シリンダなどによる伸縮可能なロッドを枢着すると共に、当該ロッドの基部側との間を油圧シリンダなどによる伸縮可能なロッド43bで連結し、伸縮可能で且つ起伏可能に揺動回転できる支持アーム43を構成している。   4 and 5 are explanatory views in which the stacker 5 is locked and held between the scaffold 3 and the lining concrete 16 via the operation unit 5B. FIG. The upper deck 8 is shown in a state of being locked and held. The upper deck 8 is provided with a telescopic rod, such as a hydraulic cylinder having a support 43a at the tip, and hydraulically connected to the base side of the rod. The support arm 43 is connected by a rod 43b that can be expanded and contracted by a cylinder or the like, and can swing and rotate so as to expand and contract.
これにより、支持アーム43は各伸縮ロッドを操作して先端の支持具43aを支持受け具47にフック状態で係止させ、スカフォード3の上段デッキ8に操作室29を連結させることにより、掘削作業時には操作室29を含むずり積み機5の全体を立坑2内の所望な待機位置で係止保持することができ、掘削作業の終了時にはこの係止保持状態を解除して吊下げ部5Aを操作すると、ずり積み及びずり出し位置まで降下させることができる。   As a result, the support arm 43 operates each telescopic rod to lock the support 43 a at the tip to the support receiver 47 in a hook state, and connects the operation chamber 29 to the upper deck 8 of the scaffold 3 to excavate. At the time of work, the entire stacking machine 5 including the operation chamber 29 can be locked and held at a desired standby position in the shaft 2, and when the excavation work is finished, the locked holding state is released and the hanging portion 5 </ b> A is When operated, it can be lowered to the stacking and protruding position.
図5は、ずり積み作業時に坑底切羽側に吊り降ろした際における下段デッキ10に対する係止保持状態を示すが、下段デッキ10には支持アーム43の場合と同様に先端に支持具44aを設けた油圧シリンダなどによる伸縮可能なロッドを枢着すると共に、当該ロッドの基部側との間を油圧シリンダなどによる伸縮可能なロッド44bで連結し、伸縮可能で且つ起伏可能に揺動回転できる支持アーム44を構成している。   FIG. 5 shows a state in which the lower deck 10 is locked and held when it is hung down to the bottom face at the time of stacking work, and the lower deck 10 is provided with a support tool 44a at the tip as in the case of the support arm 43. A support arm capable of pivoting and rotating in an undulating manner by pivoting a rod that can be extended and retracted by a hydraulic cylinder or the like, and by connecting a rod 44b that is extendable and retractable by a hydraulic cylinder or the like. 44 is constituted.
また、下段デッキ10には先端に支持具45aを設けた油圧シリンダなどによる伸縮可能なロッドの基端側を枢着軸45bで連結すると共に、当該枢着軸45bを伝動ベルト及びモータなどによる揺動回転機構に連結させ、伸縮可能で且つ起伏可能に揺動回転できる支持アーム45を構成している。   Further, the lower deck 10 is connected to the base end side of a rod that can be expanded and contracted by a hydraulic cylinder or the like provided with a support 45a at the tip by a pivot shaft 45b, and the pivot shaft 45b is rocked by a transmission belt, a motor, or the like. A support arm 45 that is connected to a dynamic rotation mechanism and can swing and rotate so as to be extendable and undulating is configured.
これにより、支持アーム44の支持具44aを支持受け具46にフック状態で係止させ、支持アーム45の支持具45aを支持受け具47にフック状態で係止させて押圧し、スカフォード3の下段デッキ10に操作室29を連結させると共に、固定用ジャッキ41,42を伸長させて覆工コンクリート16に圧接させることによって、下段デッキ10の下方に降下させたずり積み及びずり出し位置で、操作室29を含むずり積み機5の全体を立坑2内ので係止保持することができる。   As a result, the support tool 44a of the support arm 44 is hooked to the support receiver 46 in a hook state, and the support tool 45a of the support arm 45 is hooked to the support receiver 47 in a hook state and pressed. The operation room 29 is connected to the lower deck 10, and the fixing jacks 41 and 42 are extended and pressed against the lining concrete 16, so that the operation is performed at the stacking and protruding positions lowered below the lower deck 10. The entire stacking machine 5 including the chamber 29 can be locked and held in the shaft 2.
ずり積み機本体5Cは、操作部5Bの下端側に対して旋回作動及び起伏作動が可能な回動機構部48を介して伸縮ブーム49を連結すると共に、伸縮ブーム49の先端側にはずり積み手段として下向きのバケット(バックホウ)50を装着したシャフトマッカーが使用されており、掘削切羽で掘削作業が行われている間は機械掘削機4の邪魔にならない上方位置で待機させ、掘削作業で一定量のずりが得られたところでずりキブル6と共に坑底切羽に吊り降ろし、ずりキブル6に対して掘削したずりのずり積みを行う。   The shear stacker main body 5C connects the telescopic boom 49 to the lower end side of the operation unit 5B via a rotation mechanism unit 48 capable of turning and raising and lowering, and is stacked on the distal end side of the telescopic boom 49. As a means, a shaft macker equipped with a downward bucket (backhoe) 50 is used, and while excavation work is being carried out with the excavation face, it is kept waiting at an upper position that does not interfere with the machine excavator 4, and constant during the excavation work When the amount of shear is obtained, it is suspended from the bottom face together with the shearing kibble 6 and the shearing excavation of the shearing kibble 6 is performed.
次に、第1の実施形態による立坑掘削装置1Aを用いた立坑構築方法を図6〜8で説明すると、図6は機械掘削機4を用いて行う掘削作業工程を示すものであって、吊りロープ14で懸吊したスカフォード3は立坑2の坑底切羽の近くまで降下させた位置で、伸長させた固定用ジャッキ15を介して覆工コンクリート16に支持させ、運転席36に搭乗した作業者はロードヘッダーを操作してスィングブーム34を適性位置に移動させながら、坑底切羽に対してカッターヘッド35による掘削作業が行われる。   Next, a shaft construction method using the shaft excavation apparatus 1A according to the first embodiment will be described with reference to FIGS. 6 to 8. FIG. 6 shows a drilling operation process performed using the machine excavator 4, The scaffold 3 suspended by the rope 14 is supported by the lining concrete 16 via the extended fixing jack 15 at a position lowered to the bottom face of the vertical shaft 2 and boarded in the driver's seat 36. A person operates the load header to move the swing boom 34 to an appropriate position, and the excavation work by the cutter head 35 is performed on the bottom face.
なお、この掘削作業時にはずり積み機5は吊下げ部5Aの巻き上げ操作によって、掘削作業の邪魔にならない待避位置まで上昇させると共に、操作部5Bに支持アーム43を係止してスカフォード3の上段デッキ8で支持させ、作業に必要な作業者や機材及び資材は吊りロープ19や移送用エレベータ7などを用いて予め地上から上段デッキ8に搬入し、必要に応じて連絡梯子12を用いて中段デッキ9又は下段デッキ10に移送したり、下段デッキ10から吊り梯子で坑底切羽へ移送することができる。   In this excavation work, the stacker 5 is raised to a retracted position that does not interfere with the excavation work by the lifting operation of the suspension part 5A, and the upper arm of the scaffold 3 is locked with the support arm 43 on the operation part 5B. Workers, equipment, and materials that are supported by the deck 8 are carried into the upper deck 8 in advance from the ground using a suspension rope 19 and a transfer elevator 7, and the middle stage using a connecting ladder 12 as necessary. It can be transferred to the deck 9 or the lower deck 10, or can be transferred from the lower deck 10 to the bottom face by a suspension ladder.
また、図7はずり積み機5とずりキブル6を用いて行うずり積み及びずり出し作業工程を示すものであって、機械掘削機4が作業の邪魔にならない位置までスカフォード3を上方へ移動させ、固定用ジャッキ15で覆工コンクリート16に係止保持すると共に、上段デッキ8に係止していた支持アーム43を操作室29から取り外し、巻上げ機39の操作で吊りロープ38を繰り出して操作室29を下段デッキ10の下方まで移動し、ずり積み機5が坑底切羽で作業できる位置まで降下させ且つ、吊りロープ19を繰り出してずりキブル6を坑底切羽上に載置させる。   FIG. 7 shows a stacking and unloading operation process using the stacker 5 and the shear kibble 6, and the scaffold 3 is moved upward to a position where the machine excavator 4 does not interfere with the operation. The support jack 43 that is locked to the upper deck 8 is removed from the operation chamber 29, and the suspension rope 38 is extended by the operation of the hoisting machine 39. The chamber 29 is moved to a position below the lower deck 10 and lowered to a position where the pile stacker 5 can work on the bottom face, and the suspension rope 19 is fed to place the shear kibble 6 on the bottom face.
操作室29は、支持アーム44のフック44aを支持受け部46に係止し、支持アーム45のフック45aを支持受け部47に係止した状態で、支持アーム44,45をそれぞれ伸長すると共に、上下の固定用ジャッキ41,42を伸長して覆工コンクリート16に圧接させ、下段デッキ10と覆工コンクリート16の間で固定支持した後に、操作室29に搭乗した作業者がずり積み機5を操作して、ずりキブル6に対するずり積みを行い、地上との間でずりキブル6を往復させながらずり出しを行うことができる。   The operation chamber 29 extends the support arms 44 and 45 in a state where the hook 44a of the support arm 44 is locked to the support receiving portion 46 and the hook 45a of the support arm 45 is locked to the support receiving portion 47, respectively. The upper and lower fixing jacks 41, 42 are extended and pressed against the lining concrete 16, fixed and supported between the lower deck 10 and the lining concrete 16, and then an operator who has boarded the operation chamber 29 moves the stacker 5. It is possible to carry out the shearing operation with respect to the shearing kibble 6 and perform the shearing out while reciprocating the shearing kibble 6 with the ground.
また、図8はショートステップ工法(例えば、1.2〜2.3m程度の短尺なピッチで掘削と逆巻工法によるコンクリートライニングを繰り返す)で覆工コンクリート16を打ち継ぐ覆工工程を示すものであって、掘削及びずり出しを行った坑底切羽の内周面に移動型枠51を設けると共に、下段デッキ10上の座張り31に設けたシュート32に対し、吊りロープ19で懸吊したコンクリートキブル52からコンクリートを供給し、ホース53を連結した回転ホッパー33を介して移動型枠51内にコンクリートを打設し、既に構築済みの覆工コンクリート16に連続した新たな覆工コンクリート16を構築する。   FIG. 8 shows a covering process in which the covering concrete 16 is handed over by a short step method (for example, repeating excavation and concrete lining by a reverse winding method at a short pitch of about 1.2 to 2.3 m). From the concrete kibble 52 suspended from the chute 32 provided on the seat 31 on the lower deck 10 from the concrete kibble 52 while being provided with the movable frame 51 on the inner peripheral surface of the bottom face that has been excavated and pulled out. Concrete is supplied, and concrete is placed in the movable mold 51 via the rotary hopper 33 to which the hose 53 is connected, and a new lining concrete 16 that is continuous with the lining concrete 16 that has already been constructed is constructed.
なお、移動型枠51は予め枠状に組み立てられた鋼製の移動型枠を使用し、既に構築済みの覆工コンクリート16の内側に装着しておいたものを取り外して1段下に盛り替えるようにしており、またホース53は着脱可能な連結具(図示を省略)を介して機械掘削機4のブームに連結し、運転席36の作業者がブームと一緒にホース53を旋回させながらコンクリートを打設すると共に、この覆工作業中はずり積み機5を上段デッキ8側へ退避させておく(図示を省略)ようにし、一定の養生期間の後に図6の状態に戻して新たな掘削作業を開始する。   In addition, the movable mold 51 uses a steel movable mold that has been assembled in a frame shape in advance, and removes the one already installed on the inside of the lining concrete 16 that has already been constructed, and replaces it one step below. The hose 53 is connected to the boom of the machine excavator 4 through a detachable connector (not shown), and the operator of the driver's seat 36 turns the hose 53 together with the boom to make concrete. In this lining operation, the stacker 5 is retracted to the upper deck 8 side (not shown), and after a certain curing period, the state is returned to the state shown in FIG. Start work.
次に、第2の実施形態による立坑掘削装置1Bについて、図9の掘削工程時における側面図と、図10のずり積み及びずり出し工程時における側面図に基づいて説明するが、第1の実施形態による立坑掘削装置1Aとの主な相違点は、スカフォードに搭載していたずり積み機を地上から懸吊していること及びずり積み機の支持構造であるから、共通する構成要素には同一の符号を付して詳細な説明を省略し、主として相違する構成要素とその動作を中心に説明を行う。   Next, the shaft excavating apparatus 1B according to the second embodiment will be described based on the side view at the time of the excavation process in FIG. 9 and the side view at the time of the laminating and projecting process in FIG. The main difference from the shaft excavation device 1A according to the form is that the loader mounted on the scaffold is suspended from the ground and the support structure of the loader. The same reference numerals are attached and detailed description is omitted, and description will be made mainly on different components and their operations.
立坑掘削装置1Bでは、地上に設置した巻上げ機(図示を省略)に巻装した吊りロープ54でずり積み機55を懸吊させ、吊りロープ54の巻き上げ又は巻き戻し操作によって立坑2内でずり積み機55を昇降可能にしており、このずり積み機55は第1の実施形態におけるずり積み機5から吊下げ部5Aを取り外した形態であり、スカフォード3の各デッキ8,9,10に設けた切欠部25,26,27を介して、下段デッキ10の下方まで吊り降ろすことができる。   In the shaft excavation apparatus 1B, the shearing machine 55 is suspended by a hoisting rope 54 wound on a hoisting machine (not shown) installed on the ground, and the hoisting machine 54 is hoisted or unwound in the vertical shaft 2 by the hoisting or unwinding operation. The machine 55 can be moved up and down, and this pile machine 55 has a form in which the suspension portion 5A is removed from the pile machine 5 in the first embodiment, and is provided on each deck 8, 9, 10 of the scaffold 3. It can be hung down to the lower part of the lower deck 10 through the notches 25, 26, 27.
掘削作業時には、図9のようにスカフォード3を立坑2内の坑底切羽近くに吊り降ろすと共に、固定用ジャッキ15を伸長して覆工コンクリート16の内壁面に固定支持させ、機械掘削機4のカッターヘッド35で掘削を行うが、その際に伸縮ブーム49及びバケット50が掘削作業の邪魔にならないように、予め操作室29を上段デッキ8上方の退避位置まで引き上げておく。   At the time of excavation work, as shown in FIG. 9, the scaffold 3 is suspended near the bottom face of the shaft 2, and the fixing jack 15 is extended and fixedly supported on the inner wall surface of the lining concrete 16. The cutter head 35 is used for excavation. At this time, the operation chamber 29 is pulled up to a retracted position above the upper deck 8 so that the telescopic boom 49 and the bucket 50 do not disturb the excavation work.
ずり積み及びずり出し作業時には、機械掘削機4が作業の邪魔にならないように、スカフォード3を図10のように立坑2内の坑底切羽から離れた待避位置まで上昇させると共に、吊りロープ54でずり積み機55を坑底切羽近くの作業位置まで吊り降ろし、操作室29を下段デッキ10の下方位置で覆工コンクリート16に固定支持させ、吊りロープ19で坑底切羽に吊り降ろしたずりキブル6に対して、伸縮ブーム49及びバケット50を操作してずり積みを行う。   During the stacking and unloading operations, the scaffold 3 is lifted to a retreat position away from the bottom face of the shaft 2 as shown in FIG. The sludge kibble is hung down to the working position near the bottom bottom face, the operation room 29 is fixedly supported on the lining concrete 16 at the lower position of the lower deck 10 and hung down on the bottom bottom face with the suspension rope 19. 6, the telescopic boom 49 and the bucket 50 are operated and stacked.
ずり積み機55に対する固定支持は、覆工作業時に予め覆工コンクリート16中にアンカーボルト56を埋設しておき、アンカーボルト56と操作室29との間をチェーンやロープなどによって少なくとも上下2個所で連結すると共に、操作室29の上下に設けた固定用ジャッキ41,42を伸長して覆工コンクリート16に当接させることによって、覆工コンクリート16の内壁面に固定支持させる。   The fixed support for the laminating machine 55 is such that anchor bolts 56 are embedded in the lining concrete 16 in advance during the lining operation, and the anchor bolts 56 and the operation chamber 29 are at least two places above and below by means of chains or ropes. At the same time, the fixing jacks 41 and 42 provided above and below the operation chamber 29 are extended and brought into contact with the lining concrete 16 to be fixedly supported on the inner wall surface of the lining concrete 16.
また、覆工作業時には図8で示す第1の実施形態の場合と同様に、坑底切羽の上方外周に盛り替えた移動型枠51を用い、下段デッキ10上の座張り31に設けたシュート32に対し、吊りロープ19で懸吊したコンクリートキブル52からコンクリートを供給し、ホース53を連結した回転ホッパー33を介して移動型枠51内にコンクリートを打設するが、その際に移動型枠51内にアンカーボルト56を装着させ、新たな覆工コンクリート16中にアンカーボルト56を埋設しておく。   Further, as in the case of the first embodiment shown in FIG. 8, during the lining operation, a chute provided on the seat 31 on the lower deck 10 is used by using the movable mold frame 51 that is relocated to the upper outer periphery of the bottom face. 32, concrete is supplied from a concrete kibble 52 suspended by a suspension rope 19, and concrete is placed in the movable mold 51 via a rotary hopper 33 to which a hose 53 is connected. An anchor bolt 56 is attached in 51 and the anchor bolt 56 is embedded in a new lining concrete 16.
以上のように、本発明による立坑掘削装置は第1及び第2の実施形態を採ることができるが、これらの実施形態に限定されることなく、要旨の範囲内において各種の変形を採り得るものであり、例えば図示の実施形態ではずり積み機5,55の上部側に操作室29を一体に設け、この操作室29から作業者がずり積み操作を行っているが、操作室29の代わりに固定支持部を設けて覆工コンクリート又は及びスカフォードとの間を着脱可能に連結すると共に、作業者がスカフォード3上又は運転席36からずり積み操作を行うようにした形態を採ることも可能である。   As described above, the shaft excavation device according to the present invention can adopt the first and second embodiments, but is not limited to these embodiments, and various modifications can be made within the scope of the gist. For example, in the illustrated embodiment, the operation chamber 29 is integrally provided on the upper side of the stacking machines 5 and 55, and the operator performs the stacking operation from the operation chamber 29. It is also possible to adopt a form in which a fixed support portion is provided so that the concrete can be detachably connected to the lining concrete or the scaffold, and the operator can perform a stacking operation on the scaffold 3 or from the driver's seat 36. It is.
また、第1の実施形態による立坑掘削装置1Aにおいて、図示の実施形態では上段デッキ8に設けた門形架台37に巻上げ機39を装着し、ずり積み機5を吊りロープ38で懸吊するようにしているが、例えばモータで回転駆動されるピニオンにラックを噛合させたり、その他公知の直線移動機構による昇降移動手段をスカフォード3とずり積み機5の間に装着させ、スカフォード3に対してずり積み機5を昇降移動可能にする形態を採ることもできる。   Further, in the shaft excavation apparatus 1A according to the first embodiment, in the illustrated embodiment, the hoisting machine 39 is mounted on the portal frame 37 provided on the upper deck 8, and the pile stacker 5 is suspended by the suspension rope 38. However, for example, the rack is meshed with a pinion that is rotationally driven by a motor, or other lifting / lowering means by a known linear moving mechanism is mounted between the scaffold 3 and the stacker 5, It is also possible to adopt a form in which the lever stacker 5 can be moved up and down.
また、第2の実施形態による立坑掘削装置1Bにおいて、立坑2内におけるずり積み機55の係止保持手段として、第1の実施形態の立坑掘削装置1Aと同様の構成による支持アーム45をスカフォード3の下段デッキ10に設けると共に、ずり積み機55の操作室29に支持受け具47を設け、支持アーム45を介して操作室29を覆工コンクリート16側へ押圧する手段を追加することによって、ずり積み及びずり出し作業時におけるずり積み機55をより安定化させることができる。   Further, in the shaft excavating apparatus 1B according to the second embodiment, a support arm 45 having the same configuration as that of the shaft excavating apparatus 1A according to the first embodiment is used as the scaffolding holding means of the pile stacker 55 in the shaft 2. 3 is provided on the lower deck 10, and a support receiver 47 is provided in the operation chamber 29 of the pile stacker 55, and a means for pressing the operation chamber 29 toward the lining concrete 16 through the support arm 45 is added. It is possible to further stabilize the stacking machine 55 during the stacking and unloading operations.
本発明を適用した第1の実施形態による立坑掘削装置の正面図。BRIEF DESCRIPTION OF THE DRAWINGS The front view of the shaft excavation apparatus by 1st Embodiment to which this invention is applied. 図1の立坑掘削装置の側面図。The side view of the shaft excavation apparatus of FIG. 図1の立坑掘削装置で使用するスカフォードにおける各段デッキの側面図。The side view of each stage deck in the scaffold used with the shaft excavator of FIG. 図3のスカフォードの上段デッキに対するずり積み機の連結支持状態の説明図。Explanatory drawing of the connection support state of the stacker with respect to the upper deck of the scaffold of FIG. 図3のスカフォードの下段デッキに対するずり積み機の連結支持状態の説明図。Explanatory drawing of the connection support state of the stacker with respect to the lower deck of the scaffold of FIG. 図1の立坑掘削装置の機械掘削機4を用いて行う掘削作業工程の説明図。Explanatory drawing of the excavation operation process performed using the machine excavator 4 of the shaft excavation apparatus of FIG. 図1の立坑掘削装置の機械掘削機4を用いて行うずり積み及びずり出し作業工程の説明図。Explanatory drawing of the stacking and the projecting work process performed using the machine excavator 4 of the shaft excavation apparatus of FIG. 図1の立坑掘削装置の機械掘削機4を用いて行う覆工作業工程の説明図。Explanatory drawing of the lining work process performed using the machine excavator 4 of the shaft excavation apparatus of FIG. 本発明を適用した第2の実施形態による立坑掘削装置の掘削工程時における側面図。The side view at the time of the excavation process of the shaft excavation apparatus by 2nd Embodiment to which this invention is applied. 図9の立坑掘削装置のずり積み及びずり出し工程時における側面図。FIG. 10 is a side view of the shaft excavation apparatus in FIG.
符号の説明Explanation of symbols
1A,1B 立坑掘削装置
2 立坑
3 スカフォード
4 機械掘削機(ロードヘッダー)
5,55 ずり積み機(シャフトマッカー)
6 ずりキブル
7 エレベータ
8 上段デッキ
9 中段デッキ
10 下段デッキ
14,19,20,38,54 吊りロープ
15 固定用ジャッキ(スカフォードの)
16 覆工コンクリート
21,22,23 キブル通過孔
25,26,27 切欠部
29 操作室(ずり積み機の)
32 シュート
33 回転ホッパー
34 スイングブーム
35 カッターヘッド
36 運転席(機械掘削機の)
37 門形架台
39 巻上げ機(ずり積み機の)
41,42 固定用ジャッキ(ずり積み機の)
43,44,45 支持アーム
46,47 支持受け部
48 回転機構部
49 伸縮ブーム
50 バケット(バックホウ)
51 移動型枠
52 コンクリートキブル
53 ホース
56 アンカーボルト
1A, 1B shaft excavator 2 shaft 3 scaffold 4 machine excavator (road header)
5,55 shear pile machine (shaft mucker)
6 Shear kibble 7 Elevator 8 Upper deck 9 Middle deck 10 Lower deck 14, 19, 20, 38, 54 Suspension rope 15 Fixing jack (of Scaffold)
16 Clay concrete 21, 22, 23 Kibble passage holes 25, 26, 27 Notch 29 Operation room (for pile stacker)
32 Chute 33 Rotating hopper 34 Swing boom 35 Cutter head 36 Driver's seat (for mechanical excavator)
37 Portal frame 39 Winding machine (for stacking machines)
41, 42 Fixing jack (for stacking machine)
43, 44, 45 Support arm 46, 47 Support receiving part 48 Rotating mechanism part 49 Telescopic boom 50 Bucket (backhoe)
51 Movable formwork 52 Concrete kibble 53 Hose 56 Anchor bolt

Claims (4)

  1. 自由断面掘削が可能な機械掘削機をスカフォードに装着すると共に、この機械掘削機で掘削したずりを坑底切羽に吊り降ろしたずりキブルにずり積みする旋回作動及び伸縮による起伏作動が可能なずり積み機が、スカフォードの側部に沿って昇降移動可能に配置され、このずり積み機の上部側には覆工コンクリート及びスカフォードの間を着脱可能に連結する係止保持手段を設けたことを特徴する立坑掘削装置。   A machine excavator capable of free section excavation is mounted on the scaffold, and the excavation by the swing excavation and expansion and contraction is possible. The stacker is arranged so as to be movable up and down along the side of the scaffold, and the upper side of the stacker is provided with a retaining means for detachably connecting the lining concrete and the scaffold. Vertical shaft excavator characterized by.
  2. 前記ずり積み機は、スカフォード上に装着する請求項1に記載した立坑掘削装置。   The shaft excavator according to claim 1, wherein the pile stacker is mounted on a scaffold.
  3. 前記ずり積み機は、地上から懸吊する請求項1に記載した立坑掘削装置。   The shaft excavator according to claim 1, wherein the shear piler is suspended from the ground.
  4. 前記ずり積み機には、スカフォードの上段デッキの上方と下段デッキの下方との間で昇降移動可能な作業者が搭乗する操作室を上部側に設け、この操作室が前記係止保持手段を介して、覆工コンクリート及びスカフォードの間で着脱可能に連結される請求項1〜3のいずれかに記載した立坑掘削装置。   The shear stacker is provided with an operation room on the upper side on which an operator who can move up and down between the upper deck of the scaffold and the lower deck is mounted, and the operation chamber includes the locking and holding means. The shaft excavation device according to claim 1, wherein the shaft excavation device is detachably connected between the lining concrete and the scaffold.
JP2004159516A 2004-05-28 2004-05-28 Shaft excavator Expired - Fee Related JP4272591B2 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101084645B1 (en) * 2011-05-26 2011-11-17 (주)성풍건설 Carriage for grouting vertical tunnel
WO2015024069A1 (en) * 2013-08-23 2015-02-26 Technological Resources Pty. Limited Skip and crosshead

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101084645B1 (en) * 2011-05-26 2011-11-17 (주)성풍건설 Carriage for grouting vertical tunnel
WO2015024069A1 (en) * 2013-08-23 2015-02-26 Technological Resources Pty. Limited Skip and crosshead
CN105492724A (en) * 2013-08-23 2016-04-13 技术资源有限公司 Skip and crosshead
AU2014308561B2 (en) * 2013-08-23 2017-09-21 Technological Resources Pty. Limited Skip and crosshead
RU2669971C2 (en) * 2013-08-23 2018-10-17 Текнолоджикал Ресорсиз Пти. Лимитед Skip and crosshead
US10385691B2 (en) 2013-08-23 2019-08-20 Technological Resources Pty. Limited Skip and crosshead

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