EP1544358A1 - Unterwasservorrichtung - Google Patents

Unterwasservorrichtung Download PDF

Info

Publication number
EP1544358A1
EP1544358A1 EP04077662A EP04077662A EP1544358A1 EP 1544358 A1 EP1544358 A1 EP 1544358A1 EP 04077662 A EP04077662 A EP 04077662A EP 04077662 A EP04077662 A EP 04077662A EP 1544358 A1 EP1544358 A1 EP 1544358A1
Authority
EP
European Patent Office
Prior art keywords
machine according
frame
top frame
pin
bottom frame
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.)
Granted
Application number
EP04077662A
Other languages
English (en)
French (fr)
Other versions
EP1544358B1 (de
Inventor
Omiros Verheul
Paul Medard Vercruijsse
Oscar W. J. Ten Heggeler
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.)
IHC Holland lE BV
Original Assignee
IHC Holland NV
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 IHC Holland NV filed Critical IHC Holland NV
Publication of EP1544358A1 publication Critical patent/EP1544358A1/de
Application granted granted Critical
Publication of EP1544358B1 publication Critical patent/EP1544358B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/08—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with digging wheels turning round an axis
    • 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
    • E02F9/02—Travelling-gear, e.g. associated with slewing gears
    • E02F9/04—Walking gears moving the dredger forward step-by-step
    • E02F9/045—Walking gears moving the dredger forward step-by-step for moving on the underwater bottom

Definitions

  • the invention relates to a machine, such as a dredger for setting up on a substrate, such as the bed of a body of water, comprising a top frame and a bottom frame, each of which is provided with legs for supporting the frame concerned on the substrate, which legs of the top frame have a variable length, bearing means that allow rotational and translational movements of the top frame and bottom frame over one another, as well as drive means for rotational and/or translational movement of the top frame and the bottom frame over one another.
  • a machine such as a dredger for setting up on a substrate, such as the bed of a body of water, comprising a top frame and a bottom frame, each of which is provided with legs for supporting the frame concerned on the substrate, which legs of the top frame have a variable length, bearing means that allow rotational and translational movements of the top frame and bottom frame over one another, as well as drive means for rotational and/or translational movement of the top frame and the bottom frame over one another.
  • Such a machine is disclosed in GB-A 1 328 264.
  • This known machine is constructed as a dredger that has a ladder mounted on the top frame with a cutting head at the free end.
  • This top frame has a live ring, while the bottom frame has a linear roller track.
  • the bottom ring of the live ring joined to the top frame is supported on the roller track, such that the top frame is able to execute both rotational and translational movements with respect to the bottom frame.
  • the disadvantage of this known machine is that the construction thereof is complex.
  • the live ring and the roller track, which are operated underwater, are, moreover, vulnerable components that have to be protected well against the ingress of water, in particular sea water.
  • the aim of the invention is, therefore, to provide a machine of the abovementioned type that does not have these disadvantages. Said aim is achieved in that one of the frames has a pin and the other frame has an elongated track along which the pin can be slid and with respect to which the pin can be rotated.
  • the track can comprise a slot-shaped opening in one of the frames, such that the pin protrudes with respect to, and is fixed to, the other frame, in which slot the pin is accommodated such that it can be slid and rotated.
  • the slot can be defined between two longitudinal elements permanently joined to one of the frames.
  • the pin can have a collar that extends over said longitudinal elements on the side thereof that faces away from the frame that has the pin. In this way the relationship between the frames is ensured in a simple manner.
  • the pin is fixed to the bottom frame and the track is accommodated on the top frame.
  • the bearing means comprise at least sliding bearings.
  • the bottom frame can have supporting surfaces that are oriented upwards when the machine is in use, whilst the top frame can have bearing surfaces that are oriented downwards and bear on the supporting surfaces when the machine is in use.
  • the supporting surfaces are made of stainless steel and the bearing surfaces of polyethylene. The water from the surroundings can then act as lubricant.
  • the legs of the top frame can already be lengthened and shortened, the legs of the bottom frame can be fixed.
  • both frames are provided with three legs.
  • the top frame can then, for example, comprise three girders that define an equilateral or essentially equilateral triangular shape.
  • the bearing surfaces are then preferably close to the comers of the top frame.
  • the bottom frame can comprise three beams, one end of which, in each case, is joined to a core and the other, free end of which is oriented away from the core, which free ends are essentially equal distances apart.
  • the supporting surfaces are then preferably close to the free ends of the beams.
  • a dredging device such as a ladder that at one end is coupled to the top frame in a movable manner and that has dredging means, such as a dredging wheel, at the other end, can be mounted on the top frame.
  • the top frame and the bottom frame can be joined to one another by at least two hydraulic piston/cylinder devices for executing the mutual translational and rotational movements of said frames.
  • Fig. 1 shows a perspective view of a first embodiment of a machine according to the invention.
  • Fig. 2 shows, diagrammatically, a plan view of the machine in Fig. 1.
  • Figs 3A-F show, diagrammatically, successive positions when moving the two frames relative to one another in a specific direction.
  • Fig. 4 shows a perspective view of a bottom frame of a second embodiment of the machine according to the invention.
  • Fig. 5 shows a bottom perspective view of the top frame associated with the bottom frame according to Fig. 4.
  • Fig. 6 shows a plan view of the top frame according to Fig. 5.
  • the machine shown in the figures comprises a top frame 1 and a bottom frame 2.
  • the top frame 1 is provided with legs 3, the length L of the portion of these legs 3 that extends below the top frame being variable. Movement of the legs 3 can take place with the aid of cylinders containing pressure medium.
  • Three bearing surfaces 4 of the top frame 1 are in contact with supporting surfaces 5 of the bottom frame 2, which is provided with the legs 6.
  • the bottom frame 2 is arranged such that it can rotate on a hinge pin 7 that is fixed to a carriage 8 that is supported by the top frame 1 such that it can be moved in the direction indicated by the double-headed arrow P.
  • the top frame 1 is made up of three girders 9 serving to support the legs 3 and guides that support the carriage 8.
  • the bottom frame 2 is formed by three beams 10, which extend from the hinge pin 7 and are provided at their ends with the supporting surfaces 5.
  • the cylinders 11 are symmetrically arranged with respect to the direction of movement P of the carriage 8.
  • the top frame 1 has a dredge 12 that in a known manner is constituted by a ladder 13, which is connected to the top frame 1 such that it can pivot and slew.
  • a dredging wheel 14 that can be driven is fitted at the end of the ladder 13.
  • the material sucked up is pumped to a vessel, which is not shown, via a line 17.
  • the machine is lowered down onto the bed, and the entire machine is operated, from this vessel.
  • Fig. 3A shows a ladder 13 in the central, operating position.
  • the top frame 1 When the ladder 13 has executed its slewing movement, for example through approximately 90°, as indicated in Figure 2, the top frame 1 will be moved, for which purpose the ladder 13 is brought into the position shown in Figure 3B.
  • the legs 3 of the top frame 1 are now retracted, so that this frame comes to bear on the bottom frame 2 as shown in Figure 3C.
  • the top frame 1 is then slid over the bottom frame 2 with the aid of the cylinders 11 into the position in Figure 3D.
  • the legs 3 are pushed downwards again as shown in Figure 3E and further downwards into the position in Figure 3F, in which the bottom frame 2 has been moved again with respect to the top frame 1.
  • the dredge 12 can then be used again.
  • the legs 6 of the bottom frame 2 can also be made adjustable with respect to this frame. This can be advantageous when the machine has to be moved on a bed that is not uniform.
  • FIG. 4 Another construction where the hinge pin 7 is now fixed to the top frame 1 as shown in Figures 5 and 6 is shown in the embodiment in Figures 4, 5 and 6.
  • An elongated track 8 in which the pin 7 can be accommodated has been cut out in the bottom frame 2, as shown in Figure 4.
  • the collar 18 shown in Figure 5 is fixed to the free end of the pin.
  • the frames 1, 2 are secured with respect to one another, but are able to perform translational and rotational movements.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Movable Scaffolding (AREA)
  • Underground Or Underwater Handling Of Building Materials (AREA)
  • Motor Or Generator Frames (AREA)
EP04077662A 2003-12-16 2004-09-27 Unterwasservorrichtung Not-in-force EP1544358B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1025032 2003-12-16
NL1025032A NL1025032C2 (nl) 2003-12-16 2003-12-16 Werktuig, zoals een baggerwerktuig, voor opstelling op een onder water gelegen bodem.

Publications (2)

Publication Number Publication Date
EP1544358A1 true EP1544358A1 (de) 2005-06-22
EP1544358B1 EP1544358B1 (de) 2009-06-17

Family

ID=34511339

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04077662A Not-in-force EP1544358B1 (de) 2003-12-16 2004-09-27 Unterwasservorrichtung

Country Status (4)

Country Link
EP (1) EP1544358B1 (de)
AT (1) ATE434089T1 (de)
DE (1) DE602004021548D1 (de)
NL (1) NL1025032C2 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018117842A1 (en) 2016-12-23 2018-06-28 Carpdredging Ip B.V. Rectangular frame
CN109501880A (zh) * 2018-12-18 2019-03-22 罗厚博 独轮双足行走机器人

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218739A (en) * 1963-05-13 1965-11-23 Ellicott Machine Corp Dredge
GB1328264A (en) * 1971-05-17 1973-08-30 Hollandsche Aannemings Mij Nv Apparatus for performing dredging and other underwater operations
GB2064624A (en) * 1979-11-01 1981-06-17 Koninkl Volker Stevin Nv Apparatus for Performing Work Under Water
GB2151671A (en) * 1983-12-21 1985-07-24 Komatsu Mfg Co Ltd Levelling apparatus
SU1266941A1 (ru) * 1985-06-20 1986-10-30 Красноярское Производственное Объединение Тяжелых Экскаваторов "Крастяжмаш" Шагающе-рельсовый механизм

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60104474A (ja) * 1983-11-09 1985-06-08 Nippon Kokan Kk <Nkk> 歩行装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218739A (en) * 1963-05-13 1965-11-23 Ellicott Machine Corp Dredge
GB1328264A (en) * 1971-05-17 1973-08-30 Hollandsche Aannemings Mij Nv Apparatus for performing dredging and other underwater operations
GB2064624A (en) * 1979-11-01 1981-06-17 Koninkl Volker Stevin Nv Apparatus for Performing Work Under Water
GB2151671A (en) * 1983-12-21 1985-07-24 Komatsu Mfg Co Ltd Levelling apparatus
SU1266941A1 (ru) * 1985-06-20 1986-10-30 Красноярское Производственное Объединение Тяжелых Экскаваторов "Крастяжмаш" Шагающе-рельсовый механизм

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Section PQ Week 198724, Derwent World Patents Index; Class Q42, AN 1987-169163, XP002289324 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018117842A1 (en) 2016-12-23 2018-06-28 Carpdredging Ip B.V. Rectangular frame
CN109501880A (zh) * 2018-12-18 2019-03-22 罗厚博 独轮双足行走机器人
CN109501880B (zh) * 2018-12-18 2021-07-13 罗厚博 独轮双足行走机器人

Also Published As

Publication number Publication date
NL1025032C2 (nl) 2005-06-20
ATE434089T1 (de) 2009-07-15
EP1544358B1 (de) 2009-06-17
DE602004021548D1 (de) 2009-07-30

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