JPH0258640A - Execution of underwater work and device therefor - Google Patents

Execution of underwater work and device therefor

Info

Publication number
JPH0258640A
JPH0258640A JP20939988A JP20939988A JPH0258640A JP H0258640 A JPH0258640 A JP H0258640A JP 20939988 A JP20939988 A JP 20939988A JP 20939988 A JP20939988 A JP 20939988A JP H0258640 A JPH0258640 A JP H0258640A
Authority
JP
Japan
Prior art keywords
underwater
crane
hydraulic
work construction
driven
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP20939988A
Other languages
Japanese (ja)
Inventor
Michitaka Murakami
村上 道隆
Yoshiaki Nire
仁禮 吉昭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ASIA KAIYO SAGIYOU KK
Original Assignee
ASIA KAIYO SAGIYOU KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ASIA KAIYO SAGIYOU KK filed Critical ASIA KAIYO SAGIYOU KK
Priority to JP20939988A priority Critical patent/JPH0258640A/en
Publication of JPH0258640A publication Critical patent/JPH0258640A/en
Pending legal-status Critical Current

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Landscapes

  • Jib Cranes (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Control And Safety Of Cranes (AREA)

Abstract

PURPOSE:To easily carry out working by driving an underwater hydraulic unit consisting of a hydraulic motor driven by an electric motor from an electric power source on the land or on a vessel and operating an underwater hydraulic driving crane in the vicinity of a working part at the top edge part of the crane which is driven by the unit. CONSTITUTION:Pressurized oil is supplied into an underwater hydraulic driving crane 2 by driving an underwater hydraulic unit 14 equipped with a hydraulic motor driven by an electric motor from an electric power source on the land or on a vessel. Working is carried out through a suction port 10 installed at the top edge part 11 of the crane 2 by allowing a diver to operate a hydraulic control valve 13 in an operation part installed at the top edge part 11.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 この発明は、水中の油圧駆動クレーンによって水中作業
を容易に施工できるようにした水中作業施工方法および
その装置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an underwater work construction method and an apparatus therefor, which enable underwater work to be easily performed using an underwater hydraulically driven crane.

〔従来の技術〕[Conventional technology]

従来、水中作業を行うには潜水夫が水中に潜って陸上の
サクションポンプ等に連結したホースの先端を把持して
操作するか、または陸上に設けられた油圧ポンプの圧油
を油圧ホースで水中の油圧機器に導き潜水夫が操作する
ようにしていた。
Conventionally, to perform underwater work, a diver would go underwater and grasp the end of a hose connected to a land-based suction pump, or use a hydraulic hose to pump pressure oil from a land-based hydraulic pump. It was guided to hydraulic equipment and operated by the diver.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

前記従来の潜水夫による作業においては、水深が深くな
るにつれてエヤーボースの重量が重くなり自由に操作す
ることが困難になり、水深が30m程度以上の深さでは
作業が実施できない問題点があり、また油圧ホースによ
り油圧機器を作動させる場合も水深が深くなるにつれて
水圧のために油圧の損失が多くなり、これを防ぐには機
器を水圧に耐えるように頑丈な構造のものとしなければ
ならず機体が大きくなり、したがって大きな重量のため
操作が困難となり、やはり30m程度以上の水深では作
業が実施できない問題点があった。この発明はこれらの
問題点を解決することを課題とするものである。
In the conventional work performed by divers, as the water depth increases, the weight of the air hose becomes heavier, making it difficult to operate it freely, and there is a problem that the work cannot be carried out at a depth of about 30 m or more. Even when hydraulic equipment is operated using hydraulic hoses, the loss of hydraulic pressure increases as the water gets deeper, and to prevent this, the equipment must have a sturdy structure that can withstand water pressure. The large size and therefore the large weight make it difficult to operate, and there is also the problem that work cannot be carried out at a depth of about 30 m or more. This invention aims to solve these problems.

〔課題を解決するための手段〕[Means to solve the problem]

前記の課題を解決するため、この発明は、陸」二または
船上の電源により電動機駆動油圧モータ20からなる水
中油圧ユニット14を駆動し、この水中油圧ニット14
により駆動される水中駆動クレーン2の先端部11の作
業部付近でこのクレーン2を操作する水中作業実施方法
、陸上まはた船上に設置した遠隔操作装置34により水
中油圧ユニット14を制御し水中油圧駆動クレーン29
を操作する水中作業施工方法、内部にオイルを封入した
均圧容器18内の電動機と、貯油タンクを均圧容器26
を介して連通した油圧モーフ20とを連結した水中油圧
ユニット14で駆動される水中油圧駆動クレーン2,2
9からなる水中作業施工装置、水中油圧駆動クレーン2
.29のブーム4゜43の先端部II、44にサクショ
ンホース、エアリフトポンプ、岩盤カッターまはた排土
ブレードを取付けるとともに水中油圧駆動クレーン2゜
29にクローラ28を取付けた水中作業施工装置および
水中油圧ユニット14で駆動される水中油圧駆動クレー
ン29のブーム43の先端部44に作業用アタッチメン
トを取付け、前記クレーン29にはクローラ28を取付
けるとともに感知装置を設け、この感知装置を陸上また
は船上の遠隔操作装置34に連絡させた水中作業施工装
置の手段を講じるものである。
In order to solve the above-mentioned problems, the present invention drives an underwater hydraulic unit 14 consisting of an electric motor-driven hydraulic motor 20 by a power source on land or on a ship.
An underwater work implementation method in which the underwater drive crane 2 is operated near the working part of the tip 11 of the underwater drive crane 2 driven by the underwater hydraulic system. Drive crane 29
An underwater work construction method that operates an electric motor in a pressure equalizing container 18 filled with oil and an oil storage tank in a pressure equalizing container 26.
Underwater hydraulic drive cranes 2, 2 driven by an underwater hydraulic unit 14 connected to a hydraulic morph 20 communicated via
Underwater work construction equipment consisting of 9, underwater hydraulic drive crane 2
.. A suction hose, an air lift pump, a rock cutter or an earth removal blade are attached to the tip II and 44 of the boom 4゜43, and a crawler 28 is attached to the underwater hydraulic drive crane 2゜29. Underwater work construction equipment and underwater hydraulic A working attachment is attached to the tip 44 of the boom 43 of an underwater hydraulically driven crane 29 driven by the unit 14, a crawler 28 is attached to the crane 29, and a sensing device is provided, and this sensing device can be remotely operated on land or on a ship. This means that the underwater work construction equipment connected to the equipment 34 is used.

〔作 用〕[For production]

この発明の作用を実施例を参照して説明する。 The operation of this invention will be explained with reference to Examples.

第1図において、水底に設置された水平基台1上の水中
油圧駆動クレーン2を操作するには、水中油圧ユニット
14を陸上または船上の電源から電動機を駆動して油圧
モータ20を作動させた状態で、潜水夫12が水中油圧
駆動クレーン2のブーム4の先端部に乗り操作部13の
油圧コントロルハルブを操作することによりブーム4を
前後、上下、左右に移動させてエヤーリフトパイプ9の
吸引口10を所定の位置に位置させて吸引口10から水
底の土砂を吸引して陸上に排出することができる。
In FIG. 1, in order to operate the underwater hydraulic crane 2 on the horizontal base 1 installed on the bottom of the water, the hydraulic motor 20 is operated by driving the electric motor of the underwater hydraulic unit 14 from a power source on land or on a ship. In this state, the diver 12 rides on the tip of the boom 4 of the underwater hydraulically driven crane 2 and operates the hydraulic control valve of the operation unit 13 to move the boom 4 back and forth, up and down, and left and right to suction the air lift pipe 9. By positioning the mouth 10 at a predetermined position, earth and sand on the water bottom can be sucked through the suction mouth 10 and discharged onto land.

その際、第2図において、水中油圧ユニット14は水深
が深くなるにつれてゴム製ベローズ型バッグからなる均
圧容器18が水圧によって圧縮されハウジング16内に
封入されたオイルと等圧となるためハウジング16は大
きな水圧のもとにおいても破壊されることなく、形態に
何等変化も生じない。この場合スプリング19は均圧容
器18の圧縮を容易にするように働くものである。また
、均圧容器26は油圧モータ20と貯油タンク内のオイ
ルを等圧とするように働き、均圧容器I8と相まって水
深のいかんにかかわらず容器内外の圧力を等圧とするも
のである。
At this time, in FIG. 2, as the underwater hydraulic unit 14 becomes deeper, the pressure equalizing container 18 made of a rubber bellows type bag is compressed by water pressure, and the pressure becomes equal to the oil sealed in the housing 16. It does not break down even under large water pressure, and its form does not change in any way. In this case, the spring 19 serves to facilitate compression of the pressure equalizing container 18. Further, the pressure equalizing container 26 works to equalize the pressure between the hydraulic motor 20 and the oil in the oil storage tank, and together with the pressure equalizing container I8, the pressure inside and outside the container is made equal regardless of the water depth.

第3図において、水中油圧駆動クレーン29を操作する
には、感知装置を収納したボックス31内のモニターカ
メラおよびブーム姿勢センサーからの情報を遠隔操作装
置34の作業監視テレビ36、姿勢監視テレビ37およ
びモニターパネル38によって把握し、これに基づいて
遠隔操作スイッチ39を操作してブーム43の先端部4
4の岩盤カッター45その他のアタッチメントを作動さ
せて水中作業を遠隔操作によって施工するものである。
In FIG. 3, in order to operate the underwater hydraulically driven crane 29, information from a monitor camera and a boom attitude sensor in a box 31 containing a sensing device is transmitted to a work monitoring television 36, an attitude monitoring television 37, and a remote control device 34. The tip part 4 of the boom 43 is grasped by the monitor panel 38, and the remote control switch 39 is operated based on this.
4, the rock cutter 45 and other attachments are activated to carry out underwater work by remote control.

〔実施例〕〔Example〕

この発明の実施例について図面を参照して説明する。 Embodiments of the invention will be described with reference to the drawings.

第1図は、水中作業施工装置を示すもので、水平基台1
上に水中油圧駆動クレーン2の基台3がが固定され、基
台3上に水平回転自在にブーム4の基部5が設置され、
このブーム4に続くブーム4は油圧ピストン6によって
起伏自在に枢着され、さらにその先のブーム4は油圧ピ
ストン7によって回転自在に枢着されるとともにエヤー
リフトホス8に連結されたエヤーリフトバイブ9が取付
けられ、その長さを伸縮できるようになっており、エヤ
ーリフトバイブ9の先端の吸引口10を有する先端部I
Iには潜水夫I2が操作できるように油圧コントロール
バルブの操作部13が設置されている。水平基台1上に
は水中油圧ユニット14が設置され、その油圧出入口か
ら油圧ホース15で油圧駆動クレーン2と連結されてい
る。
Figure 1 shows the underwater work construction equipment, with horizontal base 1
A base 3 of an underwater hydraulically driven crane 2 is fixed on top, and a base 5 of a boom 4 is installed on the base 3 so as to be horizontally rotatable.
The boom 4 following this boom 4 is pivotably mounted by a hydraulic piston 6, and the boom 4 further ahead is rotatably pivotably mounted by a hydraulic piston 7, and an air lift vibe 9 connected to an air lift host 8. is attached so that its length can be expanded and contracted, and the tip part I has a suction port 10 at the tip of the air lift vibe 9.
A hydraulic control valve operating section 13 is installed in I so that the diver I2 can operate it. An underwater hydraulic unit 14 is installed on the horizontal base 1, and is connected to a hydraulically driven crane 2 through a hydraulic hose 15 from its hydraulic inlet/outlet.

第2図は水中油圧ユニット14の詳細を示すもので、1
6は絶縁オイルを封入し電動機を内蔵したハウジングで
電源ケーブル17に連絡しており、外部のゴム製ベロー
ズ型バッグからなる均圧容器18と連通し、その外方か
らスプリングI9で適度の圧力で押圧するようにされて
いる。ハウジング16内の電動機は油圧モータ20を駆
動し圧油出口バイブ21を経て圧油出口22から油圧ホ
ース15へ連通し、油圧駆動クレーン2からの戻りの圧
油は油圧ホース15から圧油戻り口23を経て圧油戻り
ロバイブ24から油圧モータ20に戻るようになってい
る。25は油圧検出用ケーブルで、ゴム製ベローズ型バ
ッグからなる均圧容器26中には絶縁オイルが満たされ
ておりスプリング27で適度の圧力で均圧容器26を押
圧するようになっている。
FIG. 2 shows details of the underwater hydraulic unit 14.
6 is a housing filled with insulating oil and has a built-in electric motor, and is connected to a power cable 17, which communicates with an external pressure equalizing container 18 consisting of a bellows-shaped bag made of rubber. It is designed to be pressed. The electric motor in the housing 16 drives a hydraulic motor 20 and communicates from the pressure oil outlet 22 to the hydraulic hose 15 via the pressure oil outlet vibrator 21, and the pressure oil returned from the hydraulically driven crane 2 is transferred from the hydraulic hose 15 to the pressure oil return port. The pressure oil returns to the hydraulic motor 20 from the return lever 24 via the line 23. Reference numeral 25 denotes an oil pressure detection cable, and a pressure equalizing container 26 made of a rubber bellows type bag is filled with insulating oil, and a spring 27 presses the pressure equalizing container 26 with an appropriate pressure.

第3図は、水中油圧ユニットによって駆動されろ水中油
圧駆動クレーンの遠隔操作の状況を示すもので、クロー
ラ28上に水中油圧駆動クレーン29を載せ、その基台
30上には水中油圧ユニット14およびモニターカメラ
、ブーム姿勢センサー等の感知装置を収納したボックス
31のばかライト32等が設けられており、水中油圧ユ
ニット14と陸上または船上に設置された発電機33に
連絡する遠隔操作装置34とはケーブル35で連結され
ている。遠隔操作装置Z34は作業監視テレビs 6 
、姿勢監視テレビ37、モニターパネル38、遠隔操作
スイッチ39、各種メーター40、配電盤41等からな
るもので、水中油圧ユニット14からの圧油はバイブ4
2を経て水中油圧駆動クレン29に導かれ、そのブーム
43の先端部44に岩盤カッター45その他サクション
ホースの先端部、エヤーリフトポンプ、排土ブレード等
の各種の作業用アタッチメントを取付けることができる
FIG. 3 shows the situation of remote control of an underwater hydraulic crane driven by an underwater hydraulic unit, in which an underwater hydraulic crane 29 is mounted on a crawler 28, and an underwater hydraulic unit 14 and an underwater hydraulic crane are mounted on a base 30. A light 32 of a box 31 containing sensing devices such as a monitor camera and a boom attitude sensor is provided, and a remote control device 34 is connected to the underwater hydraulic unit 14 and a generator 33 installed on land or on a ship. They are connected by a cable 35. Remote control device Z34 is work monitoring TV s 6
, an attitude monitoring television 37, a monitor panel 38, a remote control switch 39, various meters 40, a switchboard 41, etc., and the pressure oil from the underwater hydraulic unit 14 is supplied to the vibrator 4.
2 to the submersible hydraulically driven crane 29, and various work attachments such as a rock cutter 45, the tip of a suction hose, an air lift pump, and an earth removal blade can be attached to the tip 44 of the boom 43.

第1図において、陸上または船上の電源から電動機によ
り駆動される油圧モータ20を有する水中油圧ユニット
14を駆動することにより氷中油圧駆動クレーン2に圧
油を送給し、このクレーン2の先端部11に取付けられ
た吸引口10を先端部11に設けられた操作部13の油
圧コントロールバルブを潜水夫12が操作することによ
り希望する作業部位に位置させ水底の土砂を排出する等
の作業を行うことができる。
In FIG. 1, pressure oil is supplied to the ice hydraulic drive crane 2 by driving an underwater hydraulic unit 14 having a hydraulic motor 20 driven by an electric motor from a power source on land or on a ship, and the tip of the crane 2 is supplied with pressure oil. The diver 12 operates the hydraulic control valve of the operation part 13 provided at the tip 11 to position the suction port 10 attached to the diver 11 at the desired work site and perform work such as discharging sediment from the bottom of the water. be able to.

第3図において、陸上または船上の発電機に連絡する遠
隔操作装置34によって水中油圧駆動クレーン29の基
台30上の油圧モータ20を有する水中油圧ユニット1
4を駆動することにより水中油圧駆動クレーン29に圧
油を送給するとともに感知装置からの情報に従って遠隔
操作装置34の遠隔操作スイッチ39を操作することに
よって水中油圧駆動クレーン29のブーム43を前後、
上下、左右に移動させ、その先端部44に取付けた岩盤
カッター45その他の各種のアタッチメントを作動させ
るように操作することができる。
In FIG. 3, a submersible hydraulic unit 1 with a hydraulic motor 20 on a base 30 of a submersible hydraulically driven crane 29 by means of a remote control device 34 communicating with a generator on land or on a ship.
4 to supply pressure oil to the underwater hydraulically driven crane 29, and also to move the boom 43 of the underwater hydraulically driven crane 29 back and forth by operating the remote control switch 39 of the remote control device 34 according to information from the sensing device.
It can be moved up and down, left and right, and operated to operate the rock cutter 45 attached to its tip 44 and other various attachments.

〔発明の効果〕〔Effect of the invention〕

請求項1の発明は、水中において電動機で駆動する油圧
モータからなる水中油圧ユニットで駆動される水中油圧
駆動クレーンを水中に設置し、作業部付近で潜水夫がク
レーンを操作することにより大きな重量のエヤーホース
を機械力で的確に操作できるので、水深が70m〜10
0m以上の水深の深い水底の作業を容易に正確に行うこ
とができ、請求項2の発明は、陸上または船上に設置し
た遠隔操作装置によって水中油圧ユニットを制御し水中
油圧駆動クレーンを潜水夫によることなく操作できるの
で、水深に影響されることなく深い水深の作業を行うこ
とができ、請求項3の発明は、均圧容器に電動機を収容
し、貯油タンク内のオイルを均圧容器と連結したので水
深100m以上において100 ton/n(以上の重
圧にも影響を受けることがなく深い水深における作業を
行うことができる装置を得ることができ、請求項4〜7
の発明は、水中油圧駆動クレーンのブームの先端部に各
種作業用のアタッチメントを取付けることにより各種の
作業を行うことができ、請求項8の発明は、水中油圧駆
動クレーンにクローラを取付けることにより自由に移動
でき広範囲の作業を容易に行うことができ、請求項9の
発明は請求項2の方法を実施する装置を得ることができ
る。
The invention as claimed in claim 1 is characterized in that an underwater hydraulically driven crane is installed underwater, which is driven by an underwater hydraulic unit consisting of a hydraulic motor driven by an electric motor, and a diver operates the crane near the working part, so that a large weight can be lifted off. Since the air hose can be operated accurately by mechanical force, the water depth can be adjusted from 70m to 10m.
It is possible to easily and accurately carry out work at a depth of 0 m or more, and the invention of claim 2 allows a diver to control an underwater hydraulic unit by a remote control device installed on land or on a ship, and operate an underwater hydraulically driven crane. Since the operation can be performed without being affected by the water depth, work can be carried out at deep water depths without being affected by the water depth.The invention of claim 3 houses the electric motor in the pressure equalization container and connects the oil in the oil storage tank with the pressure equalization container. Therefore, it is possible to obtain an apparatus that can perform work at a deep water depth without being affected by a heavy pressure of 100 ton/n (or more) at a water depth of 100 m or more, and claims 4 to 7
The invention of claim 8 allows various types of work to be performed by attaching attachments for various types of work to the tip of the boom of an underwater hydraulically driven crane, and the invention of claim 8 allows freedom to be performed by attaching a crawler to an underwater hydraulically driven crane. The invention of claim 9 can provide an apparatus for implementing the method of claim 2.

【図面の簡単な説明】[Brief explanation of the drawing]

図面は、この発明の実施例を示すので、第1図は水中を
透視した正面図、第2図は水中油圧ユニットの平面図、
第3図は陸上部分と水中を透視した部分の斜視図である
The drawings show an embodiment of the invention, so FIG. 1 is a front view seen through the water, FIG. 2 is a plan view of the underwater hydraulic unit,
FIG. 3 is a perspective view of the land portion and the underwater portion.

Claims (1)

【特許請求の範囲】 1、陸上または船上の電源により電動機駆動油圧モータ
(20)からなる水中油圧ユニット(14)を駆動し、
この水中油圧ユニット(14)により駆動される水中油
圧駆動クレーン(2)の先端部(11)の作業部付近で
このクレーン(2)を操作する水中作業施工方法。 2、陸上または船上に設置した遠隔操作装置(34)に
より水中油圧ユニット(14)を制御し水中油圧駆動ク
レーン(29)を操作する水中作業施工方法。 3、内部にオイルを封入した均圧容器(18)内の電動
機と、貯油タンクを均圧容器(26)を介して連通した
油圧モータ(20)とを連結した水中油圧ユニット(1
4)で駆動される水中油圧駆動クレーン(2)、(29
)からなる水中作業施工装置。 4、水中油圧駆動クレーン(2)、(29)のブーム(
4)、(43)の先端部(11)、(44)にサクショ
ンホースを取付けた請求項3記載の水中作業施工装置。 5、水中油圧駆動クレーン(2)、(29)のブーム(
4)、(43)の先端部(11)、(44)にエヤーリ
フトポンプを取付けた請求項3記載の水中作業施工装置
。 6、水中油圧駆動クレーン(2)、(29)のブーム(
4)、(43)の先端部(11)、(44)に岩盤カッ
ターを取付けた請求項3記載の水中作業施工装置。 7、水中油圧駆動クレーン(2)、(29)のブーム(
4)、(43)の先端部(11)、(44)に排土ブレ
ードを取付けた請求項3記載の水中作業施工装置。 8、水中油圧駆動クレーン(2)、(29)にクローラ
(28)を取付けた請求項3、4、5、6または7記載
の水中作業施工装置。 9、請求項3記載の水中油圧駆動クレーン(29)のブ
ーム(43)の先端部(44)に作業用アタッチメント
を取付け、前記クレーン(29)にはクローラ(28)
を取付けるとともに感知装置を設け、この感知装置を陸
上または船上の遠隔操作装置(34)に連絡させた水中
作業施工装置。
[Claims] 1. An underwater hydraulic unit (14) comprising an electric motor-driven hydraulic motor (20) is driven by a power source on land or on a ship;
An underwater work construction method in which the crane (2) is operated near the working part of the tip (11) of the underwater hydraulic drive crane (2) driven by the underwater hydraulic unit (14). 2. An underwater work construction method in which an underwater hydraulic unit (14) is controlled by a remote control device (34) installed on land or on a ship to operate an underwater hydraulic drive crane (29). 3. A submersible hydraulic unit (1) that connects an electric motor in a pressure equalizing container (18) filled with oil and a hydraulic motor (20) communicating with an oil storage tank via a pressure equalizing container (26).
Submersible hydraulically driven cranes (2) and (29) driven by
) Underwater work construction equipment. 4. Booms of underwater hydraulic drive cranes (2) and (29) (
4) The underwater work construction apparatus according to claim 3, wherein suction hoses are attached to the tips (11) and (44) of the parts (4) and (43). 5. Booms of underwater hydraulic drive cranes (2) and (29) (
4) The underwater work construction apparatus according to claim 3, wherein an air lift pump is attached to the tip portions (11) and (44) of the parts (4) and (43). 6. Booms of underwater hydraulic drive cranes (2) and (29) (
4) The underwater work construction apparatus according to claim 3, wherein rock cutters are attached to the tip portions (11) and (44) of the sections (4) and (43). 7. Booms of underwater hydraulic drive cranes (2) and (29) (
4) The underwater work construction apparatus according to claim 3, wherein earth removal blades are attached to the tip portions (11) and (44) of the blades 4) and (43). 8. The underwater work construction apparatus according to claim 3, 4, 5, 6 or 7, wherein a crawler (28) is attached to the underwater hydraulic drive crane (2), (29). 9. A working attachment is attached to the tip (44) of the boom (43) of the underwater hydraulic drive crane (29) according to claim 3, and the crane (29) is equipped with a crawler (28).
An underwater work construction device that is equipped with a sensing device and connected to a remote control device (34) on land or on a ship.
JP20939988A 1988-08-25 1988-08-25 Execution of underwater work and device therefor Pending JPH0258640A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20939988A JPH0258640A (en) 1988-08-25 1988-08-25 Execution of underwater work and device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20939988A JPH0258640A (en) 1988-08-25 1988-08-25 Execution of underwater work and device therefor

Publications (1)

Publication Number Publication Date
JPH0258640A true JPH0258640A (en) 1990-02-27

Family

ID=16572251

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20939988A Pending JPH0258640A (en) 1988-08-25 1988-08-25 Execution of underwater work and device therefor

Country Status (1)

Country Link
JP (1) JPH0258640A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720333U (en) * 1993-09-16 1995-04-11 三菱重工業株式会社 Driving device for excavation part in underwater working machine
NL1003291C2 (en) * 1996-06-07 1997-12-10 Fribag B V Driving means for a sand suction dredger or the like device and method for supplying electric current to a sand suction dredger or the like device.
JP2011526334A (en) * 2008-07-02 2011-10-06 マリーン リソーシーズ エクスプロレイション インターナショナル ビーヴイ Mining and processing seabed sediments
CN103030064A (en) * 2012-12-20 2013-04-10 中联重科股份有限公司 Control system and control method of engineering mechanical equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0720333U (en) * 1993-09-16 1995-04-11 三菱重工業株式会社 Driving device for excavation part in underwater working machine
NL1003291C2 (en) * 1996-06-07 1997-12-10 Fribag B V Driving means for a sand suction dredger or the like device and method for supplying electric current to a sand suction dredger or the like device.
JP2011526334A (en) * 2008-07-02 2011-10-06 マリーン リソーシーズ エクスプロレイション インターナショナル ビーヴイ Mining and processing seabed sediments
CN103030064A (en) * 2012-12-20 2013-04-10 中联重科股份有限公司 Control system and control method of engineering mechanical equipment
CN103030064B (en) * 2012-12-20 2015-05-13 中联重科股份有限公司 Control system and control method of engineering mechanical equipment

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