WO2013157944A1 - Drague à aspiration à dispositif de coupe - Google Patents

Drague à aspiration à dispositif de coupe Download PDF

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Publication number
WO2013157944A1
WO2013157944A1 PCT/NL2013/050284 NL2013050284W WO2013157944A1 WO 2013157944 A1 WO2013157944 A1 WO 2013157944A1 NL 2013050284 W NL2013050284 W NL 2013050284W WO 2013157944 A1 WO2013157944 A1 WO 2013157944A1
Authority
WO
WIPO (PCT)
Prior art keywords
ladder
spud
spud pole
pontoon
suction dredger
Prior art date
Application number
PCT/NL2013/050284
Other languages
English (en)
Inventor
Gérard Louis Marie VAN DER SCHRIECK
Original Assignee
Van Der Schrieck Dredging Technology B.V.
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 Van Der Schrieck Dredging Technology B.V. filed Critical Van Der Schrieck Dredging Technology B.V.
Publication of WO2013157944A1 publication Critical patent/WO2013157944A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/8833—Floating installations
    • E02F3/8841—Floating installations wherein at least a part of the soil-shifting equipment is mounted on a ladder or boom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/24—Anchors
    • B63B21/26—Anchors securing to bed
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
    • E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
    • E02F3/905—Manipulating or supporting suction pipes or ladders; Mechanical supports or floaters therefor; pipe joints for suction pipes
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/06—Floating substructures as supports
    • E02F9/062—Advancing equipment, e.g. spuds for floating dredgers
    • E02F9/065—Advancing equipment, e.g. spuds for floating dredgers characterised by the use of lines with anchors and winches
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H19/00—Marine propulsion not otherwise provided for
    • B63H19/08—Marine propulsion not otherwise provided for by direct engagement with water-bed or ground

Definitions

  • the invention relates to a cutter suction dredger, comprising a pontoon, a ladder of which one end is suspended from the pontoon, which ladder can be brought into a position which is directed downwards with respect to the pontoon, a cutter head for cutting rock or soil at the other end of the ladder, an extractor system for extracting cut rock or soil and at least one spud pole cooperating with the pontoon for anchoring the pontoon with respect to a bed, wherein a connecting means of adjustable length extends between the spud pole and the ladder.
  • the invention relates in particular to the stabilization of the position of a cutter head of a floating cutter suction dredger in waves. It relates to the position in the horizontal direction of the longitudinal axis of the pontoon with respect to. the floor or bed.
  • Such a cutter suction dredger is known from US-A-5791074.
  • This known cutter suction dredger has two spud poles, each of which is connected to the ladder by means of a wire. By alternately easing and shortening the wires, it is possible to cause the ladder and thus the cutter head to swing to and fro during cutting of the ground. The position of the cutter head at the end of the ladder with respect to the floor can thus be controlled to a certain degree.
  • the connecting means is displaceably guided along a guide on the spud pole and is connected to and extends from the guide towards an anchorage which can be anchored in the bed and which is situated on that side of the spud pole which is turned away from the cutter head.
  • the position of the cutter head with respect to the floor during displacement is now also determined by the anchorage, to which the wire extending from the cutter head is connected.
  • This means that displacement of the spud pole can no longer adversely affect control of the position of the cutter head, since, during displacement, the spud pole is situated on the straight line between the anchorage and the cutter head and therefore no longer plays a part in the stabilization of the cutter head. This prevents any uncontrolled forward movement of the cutter head during the time when the spud pole does not cooperate with the ground.
  • a length-adjusting device is provided by means of which the length of the connection between the spud pole and the ladder can be adjusted.
  • the mounting of the connection to spud pole may be positioned at such a low level that the connection cannot touch the upper side of the bed during the rotating movement of the cutter head when it is tensioned.
  • the connecting means is configured as a wire, the length and/or prestress of which is adjustable. The wire may be guided over a pulley on the ladder and may be guided from the pulley to a winch.
  • the connecting means may comprise a fiexurally stiff or rigid connecting body, such as a beam, tube and/or truss which is displaceable or extendable with respect to the spud pole.
  • the guide along the spud pole may be displaceable.
  • the connecting body may be displaceable by means of a lifting member which can be moved up and down the spud pole.
  • the spud pole is preferably suspended in a spud carriage which is displaceable in the longitudinal direction of the pontoon, in which case said lifting member cooperates with a hoisting device which is provided on the spud carriage.
  • the connecting body may be securable with respect to the guide in its longitudinal direction.
  • the connecting body may be provided with a fork- shaped end into which the spud pole is accommodated.
  • That end of the connecting body which is turned away from the ladder may carry an anchorage which is securable with respect to the floor.
  • the position of the connecting body with respect to the guide may be varied by the fact that the guide is provided with a first cable which extends towards the ladder and with a second cable which has at least a part which extends away from the ladder, which cables are each connected to an actuator for displacing the connecting body along the guide by means of said cables.
  • the first cable may be guided over one or more pulleys towards the actuator which is fitted to the ladder.
  • the second cable may be guided over a return pulley on the connecting body and may then be guided to said actuator via a part which extends towards the ladder and then via one or more pulleys.
  • at least a prestress device such as a piston/cylinder device may be provided in order to prestress the cables.
  • the invention also relates to a number of methods for operating the cutter suction dredger. According to a first possibility, the method may comprise the following steps:
  • the method may comprise the following steps:
  • the method may comprise the following steps:
  • the method may comprise the following steps:
  • the connecting means are configured as a flexurally stiff or rigid rod or bar or the like, the method may comprise the following steps:
  • the method may comprise the steps of shortening the first cable and simultaneously lengthening the second cable while displacing the connecting means with respect to the spud pole and moving the cutter head forwards. In addition, this may also involve shortening or lengthening the first cable or the second cable by extending the actuator.
  • Fig. 1 shows a diagrammatic cross section of a known cutter suction dredger.
  • Fig. 2 shows a diagrammatic top view of a known cutter suction dredger.
  • Figs. 3 a and b show a vertical cross section of examples of ground profiles in a bed which may be cut into using the cutter head.
  • Fig. 4a shows a definition sketch of the orbital movement of a long surface wave in shallow water.
  • Fig. 4b shows a definition sketch of the six main movements of a floating cutter suction dredger.
  • Fig. 5 shows a side view of a first embodiment of a cutter suction dredger according to the invention.
  • Fig. 6 shows a top view of the cutter suction dredger according to a slightly modified variant of the first embodiment.
  • Fig. 7 shows a side view of a second embodiment of the cutter suction dredger.
  • Fig. 8 shows a top view of the cutter suction dredger according to the second embodiment.
  • Fig. 9 shows a front view according to IX-IX from Fig. 7.
  • Fig. 1 shows a diagrammatic cross section of a cutter suction dredger with a floating pontoon 1 which is provided at the front with a ladder 2 which is suspended from the pontoon by means of a hinge 20. Underneath the ladder, a rotating cutter head 3 is fitted on a rotation shaft which runs virtually parallel to the longitudinal axis of the ladder.
  • a spud pole 4 On the rear of the pontoon, there is a spud pole 4 which is anchored in the solid floor at point 41 with a penetration depth 26 as a result of its own weight. Point 41 is situated in the spud pole and near the underside of the spud pole.
  • the spud pole 4 has a certain flexural stiffness against bending at right angles to its longitudinal axis and is fitted vertically to a spud carriage 9 by two tightly fitting guide rings 42.
  • Spud pole 4 can freely be moved up and down vertically through both guide rings 42 by the lifting device 64 and thus ensures an anchorage of the pontoon to the solid floor 24, which anchoring is horizontally pivotable about a vertical axis.
  • the spud carriage 9 can travel in the direction of the longitudinal axis of the pontoon on wheels 12.
  • the wheels 12 are clamped in the vertical direction between the guide rails 1 1 , so that the spud carriage 9 cannot rotate.
  • the spud carriage 9 can be displaced in the direction of the longitudinal axis of the pontoon by means of the piston/cylinder device 10 and be set at a desired position.
  • the ladder 2 with cutter head 3 is suspended from the top side in hinge 20 on the pontoon 1 and is suspended on the underside by means of a hoisting wire 6 at a desired depth.
  • the horizontal distance R from the front of the cutter head to the axis of the spud pole 4 is determined and fixed by adjusting and fixing the position of the spud pole 4 with respect to the pontoon 1 in the direction of the longitudinal axis of the pontoon using piston/cylinder device 10.
  • an auxiliary spud pole 63 with lifting device 64 is present at the rear of the pontoon 1.
  • Cutter head 3 cuts a certain ground profile around the axis of spud pole 4 by means of a horizontal slewing or rotating movement Z (see Fig. 2).
  • Fig. 3 shows examples of ground profiles A to H which can be cut using the cutter head 3.
  • the slewing movement in one of two directions takes place by using two winches 62 to shorten and ease the lateral wires 60 which are anchored to two front lateral anchors 61.
  • the soil which is cut during the slewing movement is sucked up by pump 16 via suction pipe 14 with flexible suction bag 15.
  • the ladder 2 and the pontoon 1 follow the slewing movement of the cutter head 3 by pivoting about the spud pole 4 in the horizontal plane.
  • the cutter head 3 runs along a circular path Z with a radius R about the axis of spud pole 4.
  • the point of departure (pulley) 47 of the lateral wires from the ladder is situated at the bottom of the ladder 2, as close as possible to the cutter head 3, as the required pulling force in the lateral wires 60 is largely the result of the cutting forces on the cutter head.
  • the position of the cutter head with respect to the ground surface which is cut at the front and at the pulling side has to be controlled in order to achieve a regular and controlled cutting process.
  • the easing lateral wire 60 is eased using a certain brake force and a controlled speed while the pulling lateral wire 60 is pulled inwards at a controlled speed and thus provides the required force for the cutting forces and for the brake force in the easing lateral wire 60 and for displacement of the pontoon and the ladder.
  • Fig. 3a and Fig. 3b diagrammatically show straight identical profiles having a width s and a height h of the ground profile to be excavated by the cutter head with curved cutter head profile. In reality, the diagrammatically shown straight sections correspond to the curved profile of the cutter head which cuts the soil. Step s results in a new ground profile B which is to be cut into by the cutter head.
  • the cutter head can also be lowered to ground profile E by easing hoisting wire 6.
  • the ground profiles which are situated behind one another at the same depth, for example A to D, are worked upon in direct succession with a fixed depth of the cutter head and subsequently, the cutter head travels along the length P to start on ground profile E.
  • the maximum horizontal distance which can be cut in a single layer in this manner from a fixed position of the (operating) spud pole 4 equals the maximum stroke length P of the piston/cylinder device 10.
  • the spud pole 4 In order to be able to dredge the next ground profiles to the right of D and H, the spud pole 4 first has to be moved, the so-called 'displacement'. This is carried out as follows: while dredging the last ground profile D or H or a deeper layer situated further below, the slewing movement is stopped in the middle of the slewing movement on the axis 48 and the (auxiliary) spud pole 63 is lowered. Then, the spud pole 4 is lifted and spud carriage 9 is driven along the length P to its starting position in the direction of the cutter head 3 by means of the piston/cylinder device 10, following which spud pole 4 is lowered again. The spud pole 63 is lifted and the displacement is finished. Subsequently, the slewing movement is continued at the smaller radius R-P. In this way, several sets of ground profiles A to D at a fixed depth can be cut in succession.
  • the above-described cutter suction dredger and method are generally known.
  • the pontoon 1 and the ladder 2 with cutter head 3 may be subjected to significant movements as a result of the waves. Such movements are undesirable since they can lead to excessive forces being exerted on the cutter head 3 and the ladder 2 and the spud poles 4 and 63, in particular in cases where the floor is solid, which may result in considerable damage.
  • the lateral wires 60 are substantially at right angles to the vertical plane perpendicular to the hauling movement and these wires are eased and pulled in at a controlled speed and at a certain prestress, the movements of the ladder and the cutter head can take place in the vertical plane perpendicular to the hauling movement virtually unimpeded.
  • waves also lead to considerable forces and moments in the spud pole 4 and in its guide rings 42.
  • the movements of the cutter head resulting from the waves are caused by the movements of the pontoon with ladder due to the forces on the pontoon and the ladder caused by the orbital movement of the water from the waves.
  • the theory of surface waves in water says that with waves in relatively deep water with a water depth h greater than half the wave length L, the floor has no effect on the orbital movement. In that case, the orbital movement is circular and at its maximum at the water surface. With waves in relatively shallow water with a water depth h which is smaller than half the wavelength L/2, the floor does influence the orbital movement. In this case, the orbital movement has an elliptical shape, the longest axis of symmetry of which runs in the horizontal direction.
  • FIG. 4a shows an example of a shallow water wave of h ⁇ l/2L.
  • the associated flat elliptical shape of the orbital movement of the water can clearly be seen.
  • the orbital movement at the water surface is at a maximum, with an amplitude w in the vertical direction which equals half the wave height H.
  • the maximum horizontal movement amplitude u is significantly larger here than the vertical movement amplitude w.
  • these large horizontal wave movements resulting from waves having a long period and a long wavelength exert large forces on the pontoon and ladder and thus result in large movements of the pontoon and the ladder and the cutter head.
  • the frequency of these forces may be in the vicinity of the natural frequencies of the system consisting of pontoon with ladder and spud pole and its suspension, as a result of which the movements of the pontoon and the cutter head may in addition also be reinforced due to amplification.
  • Fig. 4b shows the possible 6 degrees of freedom for the movement of a floating pontoon.
  • the orbital movement of the waves ensures lateral movements of the pontoon, both a vertical up and down lateral movement w in the Z direction (heaving) and a horizontal to and fro lateral movement u in the X direction (slacking) and lateral movement v in the Y direction (shifting).
  • the vertical movement w is the direct result of the variation of the upwards force in the vertical direction due to the wave movement as a result of the buoyancy of the pontoon.
  • the horizontal movements u and v are caused inter alia by the horizontal thrust force resulting from the thrust and suction pressure against the side walls of the pontoon and the ladder as a consequence of the horizontal component of the orbital speed.
  • the differences in local wave height also cause rotations of the pontoon at different positions along the pontoon in 3 different directions: the rotation at angle ⁇ about the longitudinal axis X of the pontoon, the so- called 'rolling', and the rotation at angle ⁇ about the transverse axis Y of the pontoon, the so-called 'pitching' and the rotation at angle ⁇ about the vertical Z axis of the pontoon, the so-called 'yawing'.
  • Anchoring to the floor takes place, on the one hand, on the rear side of the pontoon at point 41 by means of the spud pole 4 which is fitted in a vertical guide on the rear side of the pontoon with a certain stiffness against rotation in a vertical plane and, on the other hand, to the front of the ladder with the two transversely projecting lateral wires 60.
  • the point of engagement 31 of the resulting forces of the anchorage which is formed by the two wires 60 via the pulleys 47 is situated closer to the cutter head 3 and therefore also close above the floor 24. Both points 31 and 41 are situated under the longitudinal axis of the pontoon.
  • Point 41 of the spud pole acts as an omnidirectional hinge point and the two lateral wires 60 form a virtually
  • the omnidirectional hinge point 31 approximately in the centre between the pulleys 47.
  • the horizontal movement of the cutter head 3 caused by waves in the Y direction at right angles to the longitudinal axis X of the pontoon is prevented by the lateral wires 60.
  • the hinge points 41 and 31 are situated in and close above the floor, respectively, it will be possible to perform a lateral movement v at right angles to the longitudinal direction of the pontoon which is situated at a higher position (shifting) and cause a rotation about the longitudinal axis X of the pontoon (rolling).
  • a rotation of the pontoon about the longitudinal axis X will cause a transverse movement v (shifting) of the pontoon.
  • both movements can take place freely, as described above, without those movements caused by waves resulting in large movements of the cutter head 3.
  • a movement in the form of 'yawing' about the vertical Z axis of the pontoon is prevented by the abovementioned anchorage and will not cause large movements of the cutter head 3 either.
  • the above-described method of anchoring the pontoon in particular the lateral movements w and u, being the 'heaving' and 'slackening', respectively, and the rotation ⁇ , being the 'pitching', will lead to considerable movements of the cutter head 3 caused by waves.
  • the pontoon in Fig. 4b will move to the left.
  • the cutter head will in theory make a circular movement in the vertical plane about anchor point 41 of spud pole 4.
  • the movement of the cutter head will be directed substantially vertically.
  • the spud pole itself and its connection to the pontoon are not infinitely stiff and a certain degree of bending of the pole and its suspension will occur. As a result thereof, the cutter head will also undergo a horizontal displacement.
  • This movement may be further reinforced by amplification due to the natural frequencies of the multiple mass spring system consisting of the spud pole 4 with its own mass and stiffness and the flexible connection 42 to the pontoon and the masses of the pontoon and ladder, hingedly connected to the pontoon, with the flexible connection of hoisting wire 6 between pontoon and ladder.
  • the pontoon itself floats flexibly in the water at a certain natural frequency.
  • the wire 101 of connecting means 21 runs between the ladder 2 and the spud pole 4 via a guide structure 39 which cooperates with the spud pole 4 to an anchorage 40 with the bed, which anchorage is positioned behind the spud pole 4 on the axis of the cut which the cutter head makes in the floor 24.
  • the tensioning force Fs in the wire 101 is in this case adjusted using piston/cylinder device 10 and is absorbed by the fixed floor via the wire 101 and anchorage 40.
  • the axis of the pontoon is on the axis 48 of the cut in the centre of the slewing motion.
  • auxiliary spud pole 63 may also be designed as, for example, a tilting pole in order to continue to supply the pretensioning force Fs during displacement.
  • the spud pole 4 can be resiliently suspended, just like the auxiliary spud pole 63, because the connecting means 8, 21 ensures the horizontal position of the cutter head 3.
  • the pretensioning force Fs during displacement can also be supplied by means of a forward bow wire 37 and winch 7 (see Fig. 5).
  • the pretensioning force Fs can also be supplied by the stern wires 24 and winches 7, as is illustrated in Fig. 6.
  • the slewing movement of the cutter head 3 is produced by means of the wires 60, anchors 61 and winches 62.
  • a rigid connecting means in the form of the tube 8 is used between the ladder 2 and the spud pole 4.
  • the tube 8 On the end which is turned away from the ladder 2, the tube 8 has an anchoring means 41 with downwardly directed tips.
  • the anchoring means can be lowered onto the floor by easing the lifting wire 5 using the winch 17, in which case the downwardly directed tips are forced firmly into the floor.
  • the spud pole can be lifted and displaced, while the position of the cutter head 3 remains secured by the tube 8 which is fixed with respect to the floor by the anchoring means 65.
  • the anchoring means is lifted just sufficiently to raise the downwardly directed tips so that they are clear from the floor.
  • the tube 8 has a fork-shaped end 25 whose prongs 18 engage around the spud pole 4, as is illustrated in Fig. 8.
  • the guide 39 is provided around the spud pole 4 and has pulleys 19.
  • a prong 18 is accommodated in between in each case one pair of pulleys.
  • the adjustment of the position of the tube 8 with respect to the spud pole 4 is carried out by means of the wires 38, 46 and the piston/cylinder device 58 which is fitted to the ladder 4.
  • One end of wire 38 is connected to the piston rod of the piston/cylinder device 58 and is guided over the ladder 2 via pulleys and towards the guide 39 on the spud pole 4, to which guide 39 the other end of the wire 38 is connected.
  • Both ends of the other wire 46 are also connected to the piston rod of the piston/cylinder device 58 connected. From there, the two parts of the wire 46 run over the ladder 2 to pulleys on the anchoring means 41, and subsequently to the guide 39.
  • the tube 8 protrudes more or less far, respectively, with respect to the spud pole 4.
  • the pulleys 19 are blocked in such a manner that the distance between the spud pole 4 and the ladder 2 with cutter head 3 is fixed.
  • the prongs 18 have a length which is such that they can absorb both the stroke which the spud carriage 9 performs and the additional displacement of the tube 8 with respect to the spud pole 4 which occurs when the ladder 2 is lifted.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

L'invention porte sur une drague à aspiration à dispositif de coupe, laquelle drague comprend un ponton (1), une échelle (2) dont une extrémité est suspendue à partir du ponton, cette échelle pouvant être amenée dans une position qui se dirige vers le bas par rapport au ponton, une tête de dispositif de coupe (3) pour couper une roche ou un sol à l'autre extrémité de l'échelle, un système d'extracteur pour extraire de la roche ou du sol coupé et au moins un montant de forage (4) coopérant avec le ponton pour ancrer le ponton par rapport à un lit (24). Des moyens de liaison (21) de longueur réglable s'étendent entre le montant de forage et l'échelle. Lesdits moyens de liaison (21) sont guidés de façon à pouvoir être déplacés le long d'un guide (39) sur le montant de forage (4), et s'étendent à partir du guide vers un ancrage (40) qui peut être ancré dans le lit (24) et qui est situé du côté du montant de forage (4) qui est orienté à l'opposé de la tête de dispositif de coupe (3).
PCT/NL2013/050284 2012-04-19 2013-04-18 Drague à aspiration à dispositif de coupe WO2013157944A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL2008658 2012-04-19
NL2008658 2012-04-19

Publications (1)

Publication Number Publication Date
WO2013157944A1 true WO2013157944A1 (fr) 2013-10-24

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Cited By (22)

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CN104058067A (zh) * 2013-11-27 2014-09-24 卜建余 一种水下吸泥清淤船用水面定位装置
NL2011489C2 (nl) * 2013-09-23 2015-03-24 Schrieck Dredging Technology B V V D Snijkopzuiger met gestabiliseerde snijkop.
CN104859798A (zh) * 2015-04-01 2015-08-26 广西建工集团第五建筑工程有限责任公司 一种绞吸式挖泥船用于挖泥施工的移动与定位方法
JP2016182957A (ja) * 2010-05-28 2016-10-20 ロッキード マーティン コーポレイションＬｏｃｋｈｅｅｄ Ｍａｒｔｉｎ Ｃｏｒｐｏｒａｔｉｏｎ 海中アンカリングのシステムおよび方法
CN106869078A (zh) * 2017-03-23 2017-06-20 中交天航滨海环保浚航工程有限公司 一种绞吸挖泥船开挖珊瑚礁的方法
CN107284611A (zh) * 2017-07-07 2017-10-24 山东浩海疏浚装备有限公司 锡矿采集筛分包装多功能船
CN107938739A (zh) * 2017-12-07 2018-04-20 浙江海洋大学 一种挖泥船
CN108265777A (zh) * 2018-01-29 2018-07-10 芜湖市皖南造船有限公司 一种挖泥船双桩落地后横移绞车自动停止装置
CN108532660A (zh) * 2018-04-13 2018-09-14 瑞港（天津）工程技术有限公司 一种绞吸式挖泥船桥架轴承维护方法
CN108589811A (zh) * 2018-06-26 2018-09-28 裘尧云 一种破岩绞吸船
US10106953B2 (en) * 2015-03-02 2018-10-23 Ihc Holland Ie B.V. Drive system for a spud carrier
US10145083B2 (en) * 2014-05-16 2018-12-04 Ihc Holland Ie B.V. Spud carrier system
CN109403401A (zh) * 2018-09-25 2019-03-01 中交天航滨海环保浚航工程有限公司 一种绞吸船开挖粗砾砂的方法
CN109415883A (zh) * 2016-04-22 2019-03-01 波斯卡里斯疏浚有限公司 具有定位桩杆组件的船
CN109518752A (zh) * 2018-12-10 2019-03-26 河海大学常州校区 一种绞吸挖泥船的自主移锚装置及移锚方法
CN109653279A (zh) * 2018-12-07 2019-04-19 朱海斌 一种绞吸式挖泥船及淤泥治理方法
US10378177B2 (en) * 2015-03-20 2019-08-13 Ihc Holland Ie B.V. Spud carrier
CN110258689A (zh) * 2019-07-18 2019-09-20 山东未来机器人有限公司 一种龙门式绞吸机
CN111038652A (zh) * 2019-12-25 2020-04-21 微山瀚海建工有限公司 一种多功能工程船
CN111776185A (zh) * 2020-06-09 2020-10-16 青海省盐业股份有限公司 一种无动力源采盐船
CN115094967A (zh) * 2022-06-17 2022-09-23 江苏筑港建设集团有限公司 一种绞吸船疏挖施工方法
WO2023185753A1 (fr) * 2022-04-01 2023-10-05 中国港湾工程有限责任公司 Drague suceuse coupeuse et dérocheuse et procédé de construction de associé

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JP2016182957A (ja) * 2010-05-28 2016-10-20 ロッキード マーティン コーポレイションＬｏｃｋｈｅｅｄ Ｍａｒｔｉｎ Ｃｏｒｐｏｒａｔｉｏｎ 海中アンカリングのシステムおよび方法
NL2011489C2 (nl) * 2013-09-23 2015-03-24 Schrieck Dredging Technology B V V D Snijkopzuiger met gestabiliseerde snijkop.
CN104058067A (zh) * 2013-11-27 2014-09-24 卜建余 一种水下吸泥清淤船用水面定位装置
US10145083B2 (en) * 2014-05-16 2018-12-04 Ihc Holland Ie B.V. Spud carrier system
US10106953B2 (en) * 2015-03-02 2018-10-23 Ihc Holland Ie B.V. Drive system for a spud carrier
US10378177B2 (en) * 2015-03-20 2019-08-13 Ihc Holland Ie B.V. Spud carrier
CN104859798A (zh) * 2015-04-01 2015-08-26 广西建工集团第五建筑工程有限责任公司 一种绞吸式挖泥船用于挖泥施工的移动与定位方法
CN109415883B (zh) * 2016-04-22 2021-07-16 波斯卡里斯疏浚有限公司 具有定位桩杆组件的船
CN109415883A (zh) * 2016-04-22 2019-03-01 波斯卡里斯疏浚有限公司 具有定位桩杆组件的船
CN106869078A (zh) * 2017-03-23 2017-06-20 中交天航滨海环保浚航工程有限公司 一种绞吸挖泥船开挖珊瑚礁的方法
CN107284611A (zh) * 2017-07-07 2017-10-24 山东浩海疏浚装备有限公司 锡矿采集筛分包装多功能船
CN107938739A (zh) * 2017-12-07 2018-04-20 浙江海洋大学 一种挖泥船
CN108265777A (zh) * 2018-01-29 2018-07-10 芜湖市皖南造船有限公司 一种挖泥船双桩落地后横移绞车自动停止装置
CN108532660A (zh) * 2018-04-13 2018-09-14 瑞港（天津）工程技术有限公司 一种绞吸式挖泥船桥架轴承维护方法
CN108532660B (zh) * 2018-04-13 2021-02-05 瑞港（天津）工程技术有限公司 一种绞吸式挖泥船桥架轴承维护方法
CN108589811A (zh) * 2018-06-26 2018-09-28 裘尧云 一种破岩绞吸船
CN109403401A (zh) * 2018-09-25 2019-03-01 中交天航滨海环保浚航工程有限公司 一种绞吸船开挖粗砾砂的方法
CN109653279B (zh) * 2018-12-07 2020-12-18 朱海斌 一种绞吸式挖泥船及淤泥治理方法
CN109653279A (zh) * 2018-12-07 2019-04-19 朱海斌 一种绞吸式挖泥船及淤泥治理方法
CN109518752A (zh) * 2018-12-10 2019-03-26 河海大学常州校区 一种绞吸挖泥船的自主移锚装置及移锚方法
CN110258689A (zh) * 2019-07-18 2019-09-20 山东未来机器人有限公司 一种龙门式绞吸机
CN110258689B (zh) * 2019-07-18 2024-04-30 山东未来机器人有限公司 一种龙门式绞吸机
CN111038652A (zh) * 2019-12-25 2020-04-21 微山瀚海建工有限公司 一种多功能工程船
CN111776185A (zh) * 2020-06-09 2020-10-16 青海省盐业股份有限公司 一种无动力源采盐船
WO2023185753A1 (fr) * 2022-04-01 2023-10-05 中国港湾工程有限责任公司 Drague suceuse coupeuse et dérocheuse et procédé de construction de associé
CN115094967A (zh) * 2022-06-17 2022-09-23 江苏筑港建设集团有限公司 一种绞吸船疏挖施工方法
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