JP2012077526A - Seabed deposit excavator - Google Patents

Seabed deposit excavator Download PDF

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JP2012077526A
JP2012077526A JP2010224260A JP2010224260A JP2012077526A JP 2012077526 A JP2012077526 A JP 2012077526A JP 2010224260 A JP2010224260 A JP 2010224260A JP 2010224260 A JP2010224260 A JP 2010224260A JP 2012077526 A JP2012077526 A JP 2012077526A
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seabed
excavator
body frame
excavating
deposit
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JP5729960B2 (en
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Jun Tsurumoto
順 鶴元
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Mitsui Miike Machinery Co Ltd
Mitsui Miike Engineering Corp
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Mitsui Miike Machinery Co Ltd
Mitsui Miike Engineering Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a seabed deposit excavator capable of performing excavating and loading work from a work barge having bulk enough to load the seabed deposit excavator without requiring a conventional large-sized work barge having a large deck where both of an excavator and a recovery machine are loaded.SOLUTION: An inventive seabed deposit excavator which is movable on a sea bottom and seabed deposits includes: a body frame provided with a pair of left and right crawlers; and an excavating unit for excavating the seabed deposits provided at the front end of the body frame via an excavating boom such that the excavating unit can swing up and down and right and left. The excavating unit provided on the body frame is removable, and an accumulation unit can be mounted to the excavating boom, for feeding debris of seabed minerals excavated and scattered on the sea bottom to an accumulation bin installed in the body frame.

Description

本発明は、海底、特に深海に存在する鉱床を掘削するために用いられる海底鉱床掘削機に関するものである。   The present invention relates to a seabed ore excavator used for excavating a seabed, particularly a deposit existing in the deep sea.

近頃、水深1000mを超える大深海の海底に金、銅、鉛、亜鉛、ニッケル、コバルト、白金その他レアメタル、レアアースなどのメタル資源を有する海底鉱床が多数存在することが各種の探査により確認されている。   Recently, it has been confirmed by various exploration that there are many seabed deposits with metal resources such as gold, copper, lead, zinc, nickel, cobalt, platinum, other rare metals, rare earths, etc. .

ところで、前記海底鉱床の資源を利用するには海底鉱床を破砕して採鉱する手段が必要であり、従来から例えば特開平7−217361号公報や特開2004−143741号公報に提示されているように船から掻き取り機を降下させたり岩盤破砕用爪を落下させたりする手段が知られているが、殆どが比較的浅い海域での使用を前提としたものやサンプリングに関するものであり、特に、1000mを越える深海に適用するには精度や破砕効果の面で問題がある。   By the way, in order to use the resources of the seabed deposits, means for crushing and mining the seabed deposits is necessary, and it has been conventionally proposed in, for example, JP-A-7-217361 and JP-A-2004-143741. There are known methods for lowering the scraper from the ship and dropping the claw for rock crushing, but most of them are for use in relatively shallow water and sampling, There are problems in terms of accuracy and crushing effect when applied to deep seas exceeding 1000 m.

また、直接、海底に沈降させて鉱床を掘削する海底掘削機が特開昭63−130829号公報に提示されているが、この公報に提示されている海底掘削機は、平面が矩形状の枠体の四隅に伸縮脚を設けた本体フレームと同様な移動フレームとを長手方向に直交する方向に移動可能にスライダーにより支持するとともに、本体フレームの先方にロードヘッタと下方にドラムカッターを備えたものであり、ドラムカッターで掘削した鉱砕を本体フレームの前方に配置した吸引管で吸引し、これを本体フレームの後方へ吐出するものであり、後方へ排出した鉱砕を別の集積機により集積するものである。   Further, a seabed excavator that directly sinks into the seabed and excavates a deposit is disclosed in Japanese Patent Application Laid-Open No. 63-13029. The seabed excavator presented in this publication has a rectangular plane. A body frame similar to a body frame with telescopic legs at the four corners of the body is supported by a slider so that it can move in a direction perpendicular to the longitudinal direction, and a load head at the front of the body frame and a drum cutter below. Yes, the ore excavated by the drum cutter is sucked by the suction pipe arranged in front of the main body frame and discharged to the rear of the main body frame. The ore discharged to the rear is collected by another accumulator. Is.

従って、海底鉱床を掘削して鉱砕を船上に回収するには重量がある掘削機と集積機の両方を船に積んで掘削現場に向かう必要があり、甲板の広い大型の作業船が必要であり、多くの設備費や運航費などが掛かることから経済面で不利であるという問題がある。   Therefore, in order to excavate seabed deposits and collect the debris on board, it is necessary to load both heavy excavator and stacker on the ship and head to the excavation site, and a large work boat with a wide deck is required. In addition, there is a problem that it is disadvantageous in terms of economy because it requires a lot of equipment costs and operation costs.

特開平7−217361号公報JP-A-7-217361 特開2004−143741号公報JP 2004-143741 A 特開昭63−130829号公報JP-A-63-130829

本発明は、上記のような問題を解決しようとするものであり、従来の掘削機と回収機の両方を積み込むような広い甲板を有する大型の作業船を必要とすることなく、掘削機を積載可能な程度の船により掘削、集積作業を可能にする海底鉱床掘削機を提供するものである。   The present invention is intended to solve the above-described problems, and loads an excavator without requiring a large work boat having a wide deck on which both a conventional excavator and a recovery machine are loaded. It is intended to provide a submarine ore excavator that enables excavation and accumulation work with as many ships as possible.

前記課題を解決するためになされた本発明である海底鉱床掘削機は、左右一対のクローラが備えられている本体フレームの先方に海底鉱床を掘削する掘削装置が掘削ブームを介して上下左右に揺動可能に備えられている海底および海底鉱床を走行可能とした海底鉱床掘削機において、前記本体フレームに備えた掘削装置が取り外し可能であるとともに前記掘削ブームに海底に散在する掘削された海底鉱物の鉱砕を前記本体フレームに設置された
集積槽に送入するための集積装置が取り付け可能であることを特徴とする。
The seabed ore excavator according to the present invention, which has been made to solve the above-mentioned problems, has a drilling device that excavates the seabed deposit in front of the main body frame provided with a pair of left and right crawlers. An excavator provided on the main body frame is removable, and the excavated boom is scattered of the excavated submarine minerals scattered on the sea floor. An accumulation device for sending the ore into the accumulation tank installed in the main body frame can be attached.

本発明によれば、海底鉱床掘削機の掘削装置を取り外して集積装置を取り付けることにより、1台の海底鉱床掘削機により海底鉱床の掘削と掘削作業により取り出した鉱砕も集積して回収可能とすることにより少ない機材で作業が行える。また、大型の作業船を必要としないので経済的に有利である。   According to the present invention, by removing the drilling device of the seabed ore excavator and attaching the accumulating device, it is possible to collect and collect the ore that has been taken out by the drilling and drilling operation of the seabed deposit by one seabed ore excavator. By doing so, you can work with less equipment. Moreover, since a large work ship is not required, it is economically advantageous.

また、本発明において、前記本体フレームに設置した前記回収槽が、縦方向に取り外し可能である場合には、鉱砕の入った回収槽を海底鉱床掘削機を海底に置いた状態で船上へ回収することができる。   In the present invention, when the recovery tank installed in the main body frame is removable in the vertical direction, the recovery tank containing the crushed material is recovered on the ship with the submarine ore excavator placed on the seabed. can do.

本発明によれば、大深海の凹凸や傾斜地である海底であっても安定した状態で走行ならびに掘削作業を行うことができるばかりか、掘削した鉱砕を掘削に用いた海底鉱床掘削機の部品を替えるだけで集積ならびに回収することができるので使用する作業船を含めて経済面できわめて有利である。   According to the present invention, it is possible not only to run and excavate in a stable state even on the seabed which is unevenness or sloping ground in the deep sea, but also a component of a submarine ore excavator that uses excavated ore for excavation. It is very advantageous in terms of economy including the work boat to be used because it can be collected and recovered simply by changing the slab.

本発明の好ましい実施の形態を示す分解した状態を示す側面図である。It is a side view which shows the state which decomposed | disassembled which shows preferable embodiment of this invention. 図1に示した実施の形態における掘削装置を装着した状態の側面図である。It is a side view of the state which mounted | wore the excavation apparatus in embodiment shown in FIG. 図3の正面図である。FIG. 4 is a front view of FIG. 3. 図1に示した実施の形態における使用状態を示す説明図である。It is explanatory drawing which shows the use condition in embodiment shown in FIG. 図1に示した実施の形態における掘削装置を集積装置に付け替えた状態の側面図である。It is a side view of the state which replaced the excavation apparatus in embodiment shown in FIG. 1 with the integration | stacking apparatus. 図5の正面図である。FIG. 6 is a front view of FIG. 5. 図5に示した実施の形態における使用状態を示す説明図である。It is explanatory drawing which shows the use condition in embodiment shown in FIG.

以下に、本発明を図面に示す実施の形態に基づいて詳細に説明する。   Hereinafter, the present invention will be described in detail based on embodiments shown in the drawings.

図面は本発明の好ましい実施の形態の側面図を示すものであり、図1に示す海底鉱床掘削機1は、図1(a)に示すように、本体フレーム2に左右一対のクローラ3,3が備えられており、このクローラ3,3は陸上で使用されるものと変わりなく例えば後方の駆動輪31に配置したモータや減速機などの本体フレームに搭載される駆動手段(図示せず)により走行するものであり、本実施の形態では船上から例えば有線により運転される。   The drawing shows a side view of a preferred embodiment of the present invention. As shown in FIG. 1 (a), the seabed ore excavator 1 shown in FIG. The crawlers 3 and 3 are not different from those used on land, for example, by driving means (not shown) mounted on a main body frame such as a motor or a speed reducer disposed on the rear driving wheel 31. In this embodiment, the vehicle is driven by, for example, a wired connection.

また、前記本体フレーム2に前後方向へスライド可能なスライドブーム4が配置されているとともに、このスライドブーム4の先方に伸縮シリンダ51および固着部52を有する固定ブーム5が上下左右方向に揺動可能に配置されている。   In addition, a slide boom 4 slidable in the front-rear direction is disposed on the main body frame 2, and a fixed boom 5 having a telescopic cylinder 51 and a fixing portion 52 at the front of the slide boom 4 can swing in the vertical and horizontal directions. Is arranged.

また、前記固定ブーム5には、図1(b)に示す掘削装置6または図1(c)に示す鉱砕の集積装置7がそれぞれ固着可能となっている。   The excavator 6 shown in FIG. 1B or the collapsible accumulator 7 shown in FIG. 1C can be fixed to the fixed boom 5.

尚、本実施の形態では、掘削装置6は駆動源を内臓しているとともに、先端に複数の切削部を突設した前記駆動源により回転する掘削ドラム61を、降端に前記固定ブーム5に固着するための固着部62が形成されている。   In the present embodiment, the excavator 6 has a built-in drive source, and the excavating drum 61 rotated by the drive source with a plurality of cutting portions projecting from the tip is attached to the fixed boom 5 at the descending end. A fixing portion 62 for fixing is formed.

また、鉱砕の集積装置7は、先端に下方を開口した取り込み口71を有するとともに後端に前記固定ブーム5に固着するための固着部72が形成された枠状体73であって、内部に無端ベルトの外周面に所定の間隔で掻き板を立設させた積み込み部材74が配置され
ている。
The ore accumulation device 7 is a frame-like body 73 having an intake port 71 having a lower opening at the front end and a fixing portion 72 for fixing to the fixed boom 5 at the rear end. A loading member 74 is disposed on the outer peripheral surface of the endless belt.

そして、本実施の形態である海底鉱床掘削機1は、作業船(図示せず)に積み込まれて作業現場に運ばれ、船上で前記掘削装置6または集積装置7のいすれかを固定して装着した状態で例えばワイヤなどにより吊り下げられて海底に降ろされて作業を行い、また、異なる作業を行う場合には船上に引き上げて掘削装置6または集積装置7を交換、固定して装着し、再度、海底に降ろして作業を繰り返すものである。   Then, the submarine ore excavator 1 according to the present embodiment is loaded onto a work ship (not shown) and carried to a work site, and either the excavation apparatus 6 or the accumulation apparatus 7 is fixed on the ship. In the mounted state, for example, it is suspended by a wire or the like and lowered to the sea floor to perform the work, and when performing a different work, the excavator 6 or the stacking device 7 is replaced by being lifted on the ship and fixed, and then mounted. Again, the work is repeated on the seabed.

本実施の形態は、このように固定ブーム5に装着する掘削装置6または集積装置7を交換することにより、1台の海底鉱床掘削機1で海底鉱床の掘削作業と掘削作業により削り取った鉱砕の集積、回収作業を行うことができる。   In the present embodiment, the excavator 6 or the accumulator 7 attached to the fixed boom 5 is replaced as described above, so that the submarine deposit excavator 1 excavates the excavation and excavation work of the submarine deposit. Can be collected and recovered.

図2乃至図4は、前記図1に示した実施の形態において、先端の固定ブーム5に掘削部材6を装着して掘削作業を行う場合を示したものであり、船上からワイヤなどにより吊り下げて海底へ沈降させ、船上からの操作により図4に示すように海底9を走行させる。このとき、本実施の形態では走行手段としてクローラ3を用いているので海底に凹凸があったり傾斜面であっても支障なく迅速に且つ方向を問わずに走行可能であり、また所定の掘削箇所で確実に停止させることができる。   2 to 4 show a case where excavation work is performed by attaching the excavation member 6 to the fixed boom 5 at the tip in the embodiment shown in FIG. 1, and it is suspended from the ship by a wire or the like. Then, it is allowed to sink to the seabed, and the seabed 9 is caused to travel as shown in FIG. At this time, since the crawler 3 is used as traveling means in the present embodiment, even if the sea floor has irregularities or is inclined, it is possible to travel promptly and regardless of the direction, and a predetermined excavation location. Can be stopped reliably.

そして、図4に示すように、海底鉱床8を海底鉱床掘削機1の先端に備えた掘削装置6の掘削ドラム61により掘削して鉱砕81にする。   Then, as shown in FIG. 4, the submarine deposit 8 is excavated by the excavating drum 61 of the excavator 6 provided at the tip of the submarine deposit excavator 1 to make the ore 81.

次に、掘削装置6を装着した海底鉱床掘削機1をワイヤなどで作業船上に吊り上げて図1に示したように、前記掘削装置6を固定ブーム5から取り外し、集積装置7を装着して再び海底9に降ろし、図7に示すように前記掘削装置6を装着した海底鉱床掘削機1により掘削されて海底9に散在している鉱砕81を本体フレーム2に形成された凹所21に作業船(図示せず)から降ろしたワイヤ22などにより上下方向に昇降することにより着脱可能な頂面を開口した回収槽23に集積、回収する。   Next, the seabed ore excavator 1 equipped with the excavating device 6 is lifted on a work ship with a wire or the like, and the excavating device 6 is detached from the fixed boom 5 as shown in FIG. As shown in FIG. 7, as shown in FIG. 7, as shown in FIG. 7, the crushed 81 that is excavated by the seabed ore excavator 1 equipped with the excavator 6 and scattered on the seabed 9 is worked in the recess 21 formed in the main body frame 2. The wire 22 is lowered from a ship (not shown) and moved up and down in the vertical direction to collect and collect in a collection tank 23 having an openable top surface.

更に詳細に説明すると、本実施の形態である海底鉱床掘削機1に装着される集積装置7は、積み込み部材74を回転駆動させた状態で海底鉱床掘削機1を前進させ、海底9に散在している鉱砕81を先端に形成した取り込み口71で枠状体73内に取り込み、前記積み込み部材74により後方へ移送して前記回収槽23へと自動的に集積、回収し、鉱砕81が溜まったならば、回収槽23をワイヤ22により作業船(図示せず)に引き上げ、再び空になった回収槽23を海底鉱床掘削機1の本体フレーム2に形成された凹所21に収装して、回収作業を繰り返す。   More specifically, the stacking device 7 attached to the seabed ore excavator 1 according to the present embodiment advances the seabed ore excavator 1 while the loading member 74 is driven to rotate, and is scattered on the seabed 9. The crushed 81 is taken into the frame 73 by the intake port 71 formed at the tip, transferred backward by the loading member 74, and automatically collected and collected in the collection tank 23. If collected, the recovery tank 23 is pulled up to a work ship (not shown) by the wire 22, and the empty recovery tank 23 is accommodated in the recess 21 formed in the main body frame 2 of the submarine ore excavator 1. Then, the collection operation is repeated.

尚、例えば、海底鉱床掘削機1の本体フレーム2に形成された凹所21に海水中で検知可能な位置センサー(図示せず)を配置しておくことにより、確実に且つ迅速に回収槽23を凹所21に戻すことができる。   For example, a position sensor (not shown) that can be detected in seawater is disposed in a recess 21 formed in the main body frame 2 of the seabed ore excavator 1 so that the recovery tank 23 can be surely and quickly collected. Can be returned to the recess 21.

以上のように、本実施の形態では海底鉱床掘削機1に掘削ドラム61により掘削する掘削装置6と無端ベルトを用いた掻きこみ式の集積装置7とを交換可能に装着することにより1台の海底鉱床掘削機1で掘削と鉱砕の回収を行うことができるが、掘削装置6ならびに集積装置7は一例であって、例えば削岩機のような掘削装置6や吸い込み式の集積装置7(図示せず)など他の形式のものを固定部5に交換可能に装着できるものであればよい。   As described above, in the present embodiment, one excavator 6 excavating with the excavating drum 61 and the scraping-type accumulator 7 using an endless belt are attached to the seabed ore excavator 1 in a replaceable manner. The submarine ore excavator 1 can perform excavation and recovery of the ore, but the excavator 6 and the accumulator 7 are examples, and the excavator 6 such as a rock drill or the suction type accumulator 7 ( Any other type can be used as long as it can be attached to the fixing portion 5 in a replaceable manner.

1 海底鉱床掘削機、2 本体フレーム、3 クローラ、4 スライドフレーム、5
ウェイト ブーム、6 積み降ろし装置、9 海底、41 掘削装置、51 カウンターウェイト、54 位置センサー

1 submarine ore excavator 2 main frame 3 crawler 4 slide frame 5
Weight boom, 6 loading / unloading device, 9 seabed, 41 excavator, 51 counterweight, 54 position sensor

Claims (2)

左右一対のクローラが備えられている本体フレームの先方に海底鉱床を掘削する掘削装置が掘削ブームを介して上下左右に揺動可能に備えられている海底および海底鉱床を走行可能とした海底鉱床掘削機において、前記本体フレームに備えた掘削装置が取り外し可能であるとともに前記掘削ブームに海底に散在する掘削された海底鉱物の鉱砕を前記本体フレームに設置された集積槽に送入するため集積装置が取り付け可能であることを特徴とする海底鉱床掘削機。   Excavation equipment that excavates the seabed deposit ahead of the main body frame equipped with a pair of left and right crawlers can swing up and down and left and right via the excavation boom, and the seabed deposit excavation that can travel the seabed deposit In the machine, the excavator provided in the main body frame is removable, and the accumulator is used for sending the excavated seabed minerals scattered in the excavation boom to the accumulation tank installed in the main body frame. A seabed ore excavator characterized in that can be attached. 前記本体フレームに設置した前記集積槽が、縦方向に取り外し可能であることを特徴とする請求項1記載の海底鉱床掘削機。


The seabed ore excavator according to claim 1, wherein the accumulation tank installed in the main body frame is removable in a vertical direction.


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Citations (3)

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Publication number Priority date Publication date Assignee Title
JPH0941423A (en) * 1995-08-03 1997-02-10 Mitsui Fudosan Kensetsu Kk Underwater excavation method
JP2001220725A (en) * 2000-02-08 2001-08-17 Toa Harbor Works Co Ltd Attachment of underwater back hoe for sea weed removal and measure to shore-burning
JP2006248477A (en) * 2005-03-14 2006-09-21 Mitsui Eng & Shipbuild Co Ltd Navigation controlling method of underwater vehicle, and underwater vehicle

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JPH0941423A (en) * 1995-08-03 1997-02-10 Mitsui Fudosan Kensetsu Kk Underwater excavation method
JP2001220725A (en) * 2000-02-08 2001-08-17 Toa Harbor Works Co Ltd Attachment of underwater back hoe for sea weed removal and measure to shore-burning
JP2006248477A (en) * 2005-03-14 2006-09-21 Mitsui Eng & Shipbuild Co Ltd Navigation controlling method of underwater vehicle, and underwater vehicle

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