EP0313695A1 - Kranschiff - Google Patents

Kranschiff Download PDF

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Publication number
EP0313695A1
EP0313695A1 EP87309514A EP87309514A EP0313695A1 EP 0313695 A1 EP0313695 A1 EP 0313695A1 EP 87309514 A EP87309514 A EP 87309514A EP 87309514 A EP87309514 A EP 87309514A EP 0313695 A1 EP0313695 A1 EP 0313695A1
Authority
EP
European Patent Office
Prior art keywords
sheerleg
deck
carriage
load
translating
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.)
Withdrawn
Application number
EP87309514A
Other languages
English (en)
French (fr)
Inventor
Willem Lambertus Cornelis Van Dam
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.)
HEEREMA ENGINEERING SERVICE BV
Original Assignee
HEEREMA ENGINEERING SERVICE BV
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 HEEREMA ENGINEERING SERVICE BV filed Critical HEEREMA ENGINEERING SERVICE BV
Publication of EP0313695A1 publication Critical patent/EP0313695A1/de
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • B66C23/36—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating cranes

Definitions

  • This invention relates to a crane vessel.
  • GB 383730 proposes mounting its sheerleg on a carriage which is movable over the deck on rails. Since this carriage is in the form of a platform which extends right across the deck, this again makes the barge of GB 383730 an unrealistic practical proposal because it denies the use of any area of the deck covered by the travel of the carriage; even the hatches to the cargo holds would present an obstruction, if not battened down.
  • the present invention provides a crane vessel comprising a deck for supporting loads, at least one sheerleg, carriage means pivotally connected to the lower end of the sheerleg to mount the sheerleg on the deck for linear movement in a direction longitudinally of the vessel and for pivotal movement about a horizontal axis extending transversely of the vessel, means supporting the sheerleg at a variable angle relative to the deck, the sheerleg supporting means comprising first cable means extending between the sheerleg and first winch means mounted on the deck in a first fixed position, with the sheerleg extending upwardly and away from said first fixed position on the deck, means for carrying a load by the sheerleg, the load carrying means comprising second winch means mounted on the deck in a second fixed position, pulley means mounted at the upper end of the sheerleg and second cable means having at one end means for attachment to a load and passing over the pulley means to a second end engaged by the second winch means, means for translating the sheerleg carriage means over the deck in said longitudinal direction towards or away from said first fixed position whilst the sheerleg is
  • first and second winch means When the sheerleg is under loading and being translated over the deck at a relatively slow speed it may be possible for an operator to manually operate the first and second winch means to control the vertical position of the load.
  • the sheerleg supporting includes derrick means mounted on the deck between the sheerleg and said first fixed position, which derrick means may conveniently comprise a jib with carriage means mounting the jib for longitudinal movement over the deck, third cable means extending between the jib and the sheerleg, and translating means operable between the jib carriage means and the deck for translating the jib longitudinally along the deck towards or away from the said first fixed position.
  • derrick means may conveniently comprise a jib with carriage means mounting the jib for longitudinal movement over the deck, third cable means extending between the jib and the sheerleg, and translating means operable between the jib carriage means and the deck for translating the jib longitudinally along the deck towards or away from the said first fixed position.
  • the sheerleg carriage means and the jib carriage means may be connected so that the sheerleg and the jib are translatable in unison.
  • the respective carriage means may be integrally formed.
  • Either carriage means may comprise a wheeled vehicle, which wheeled vehicle may have wheels running on cooperating rails of the deck. Additionally or alternatively, either carriage means may comprise sliding blocks engageable with a sliding surface of the deck or skidding beams.
  • Either translating means may be integral with the carriage means and comprise drive means mounted on the vehicle, or it may comprise pulling means, such as a cable and winch, connected to the vehicle.
  • the crane vessel may comprise a plurality of like sheerlegs which are operable in parallel for lifting and/or translating a load.
  • the invention further provides a method of handling a load using a crane vessel as defined herein, which method includes the steps of attaching the load to the second cable means, actuating the second winch means to tension the second cable means so as to lift the load into a position in which it is supported beneath the pulley means of the sheerleg, actuating the sheerleg carriage translating means while the sheerleg is under loading to thereby translate the sheerleg and hence the load relative to the deck in a longitundinal direction towards or away from the said first fixed position, and controlling the vertical position of the load by synchronising operation of the first and second winch means with the sheerleg translating means whilst the sheerleg is being translated along the deck.
  • lifting apparatus is provided on a crane vessel 10 according to the invention.
  • the lifting apparatus comprises a sheerleg 11 which is supported on the deck 12 of the vessel 10 by means of a travelling carriage 13.
  • the sheerleg 11 is pivotally connected to the travelling carriage 13 by a pivot 14 at the lower end of the sheerleg.
  • a hoisting cable (or cables) 16 passes over the pulley unit 15 and at one end the hoisting cable has a block 17 for attachment of a load 18, whilst the other end of the hoisting cable is engaged by a winching unit 19.
  • the sheerleg 11 here is supported by means of a jib 20, which is supported on the deck 12 of the vessel 10 by means of another travelling carriage 21, in this embodiment fixedly connected with the other travelling carriage 13, and first and second derrick tackles 22 and 23.
  • the jib 20 is pivotably connected to its travelling carriage 21 by a pivot 24 at the lower end of the jib.
  • the first derrick tackle 22 is connected via suitable pulleys between the sheerleg 11 and jib 20 and its adjustment is controlled by a winching unit 25.
  • the second derrick tackle 23 is connected via suitable pulleys between the jib 20 and a support structure 26 on the deck 12 and its adjustment is controlled by a winching unit 27.
  • the support structure 26 is fixedly anchored on the deck 12 of the vessel 10 and may conveniently be an A-frame.
  • the winching units are also mounted fixedly relative to the deck.
  • a storage and workshop facility 28 with power plants and accommodation 29.
  • the two travelling carriages 13 and 21 are wheeled and are arranged to run on rails 30.
  • Alternative arrangements are of course possible, such as sliding blocks engagable with a sliding surface of the vessel for example. Movement of the two travelling carriages 13 and 21 here is effected by a common travelling drive unit 31.
  • the load 18 is attachable to the block 17 using suitable slings 32 and can be lifted off the deck 12 by using the winching unit 19 to tension the hoisting cable 16 urging the load upwardly towards the pulley unit 15.
  • the sheerleg 11 can be translated along the vessel 10 by using the travelling drive unit 31 to drive the sheerleg carriage 13 along the deck rails 30. Handling of a load, particularly a bulky load, is facilitated because the load is translated by moving the sheerleg relative to the deck while it is under loading, which does not necessitate varying the angle of the sheerleg.
  • means is provided to control operation of the hoisting cable winching unit 19 so as to winch in or pay out the cable 16 during translation of the sheerleg carriage 13.
  • control means may be by computer.
  • Similar control conveniently also by computer, is preferably also provided for the jib and derrick tackle winching units 25 and 27.
  • an operator may be possible for an operator to manually operate the winching units to control the height of the load, although an automatic system would be desirable.
  • a synchronising control system is illustrated diagrammatically in Figure 12.
  • the lifting apparatus seen in Figures 2A and 2B differs from that seen in Figures 1A and 1B in that separate travelling drive units, 33 and 34 respectively, are provided for the sheerleg carriage 13 and the jib carriage 21.
  • the lifting apparatus is without a jib. Instead, support for the sheerleg 11 is provided by means of tackle 37 connected between the shearing and the support structure 26 by suitable pulleys. Adjustment of the tackle 37 here is controlled by winching unit 38.
  • liftingapparatus having a pair of sheerlegs 11A and 11B arranged side by side and working in unison with load 18.
  • lifting apparatus having only one sheerleg 11.
  • four blocks 17 are being used for handling the load 18, but any number of blocks, even only one, may be used.
  • FIG 7 shows the deck layout of the lifting apparatus seen in Figs. 5A and 5B. Some features, such as the sheerlegs and jibs, have been omitted. However, there can be seen the two sets of deck rails 30 on which the sheerleg carriages travel. Also seen are the sheerleg winching units 19, the power plant and accommodation 29 and the storage and workshop facility 28. Anchor lines 39 are shown in dashed lines. The anchor lines 39 are installed prior to handling of the load, e.g. if the load is a platform module, for installing or removing the module on or from its support jacket.
  • FIG 8 there is seen a preferred form of travelling carriage 13 for the sheerleg 11.
  • the sheerleg 11 can be seen pivotally connected to the carriage 13 by its pivot 14.
  • the pivot 14 here is in the form of a pin 40 mounted in a bifurcated bracket 41 on the carriage 13.
  • the lower end of the sheerleg 11 is journalled on the pin 40 by a spherical bearing 42.
  • the carriage 13 has side by side wheelsets 43, which run on the deck rails 30 and which are mounted to the carriage via spherical bearings 44.
  • the sheerleg carriage 13 can be seen together with part of its travelling drive unit 31.
  • the carriage 13 is connected to the drive unit 31 by a strut 45.
  • Both the carriage 13 and the drive unit 31 might be arranged to travel along the same deck rails 30.
  • the carriage 13 has front and back wheelsets 43.
  • the drive unit might work with a rack and pinion system or a hydraulic gripping system or a power screw system etc.
  • the driving force may be obtained by the system shown in Figure 11 which uses pulling lines 46 and a winching unit 47 on at least one side of the carriage 13.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
EP87309514A 1986-09-26 1987-10-28 Kranschiff Withdrawn EP0313695A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8623247A GB2196603B (en) 1986-09-26 1986-09-26 Vessel.

Publications (1)

Publication Number Publication Date
EP0313695A1 true EP0313695A1 (de) 1989-05-03

Family

ID=10604873

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87309514A Withdrawn EP0313695A1 (de) 1986-09-26 1987-10-28 Kranschiff

Country Status (2)

Country Link
EP (1) EP0313695A1 (de)
GB (1) GB2196603B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2007064C2 (en) * 2011-07-07 2013-01-08 Itrec Bv Shear leg crane and transportation vessel.
US9162736B2 (en) 2007-01-19 2015-10-20 Ronald J. Thibodaux Apparatus for performing overhead work using air-propelled vessel with articulating member

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2196603B (en) * 1986-09-26 1990-01-10 Heerema Engineering Vessel.
GB2204853A (en) * 1987-05-22 1988-11-23 Heerema Engineering Improvements in cranes
DE8808248U1 (de) * 1988-06-28 1989-08-24 Wilcke, Hans, 5484 Bad Breisig Verfahrbarer Kran für schwere Güter
AU726963B2 (en) * 1996-02-29 2000-11-30 Mammoet Europe B.V. Hoisting device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL47542C (de) * 1936-01-15 1900-01-01
GB383730A (en) * 1931-10-28 1932-11-24 Pierre Jean Marchaut Improvements in or relating to derricks or like hoisting apparatus
DE966884C (de) * 1953-05-27 1957-09-12 Demag Ag Schwimmkran
DE1962895A1 (de) * 1969-11-11 1971-05-19 Kone Osakeyhtioe Fa Schiffskran
FR2322817A1 (fr) * 1975-09-05 1977-04-01 Howaldtswerke Deutsche Werft Grue flottante avec une fleche principale susceptible d'etre deposee sur le pont
US4297961A (en) * 1979-12-31 1981-11-03 Weaver Shipyard And Drydock, Inc. Outrigger-stabilized floating crane system
GB2196603A (en) * 1986-09-26 1988-05-05 Heerema Engineering Movable sheerleg structure and operation

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB311533A (en) * 1928-04-21 1929-05-16 Brooke Hodgson Improvements in or relating to breakdown cranes and the like
DE1227925B (de) * 1963-01-23 1966-11-03 Beteiligungs & Patentverw Gmbh Vorrichtung mit Plattform und Hubmittel zum Ausmauern von Konvertern und anderen metallurgischen Gefaessen und OEfen mit Grossformatsteinen

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB383730A (en) * 1931-10-28 1932-11-24 Pierre Jean Marchaut Improvements in or relating to derricks or like hoisting apparatus
NL47542C (de) * 1936-01-15 1900-01-01
DE966884C (de) * 1953-05-27 1957-09-12 Demag Ag Schwimmkran
DE1962895A1 (de) * 1969-11-11 1971-05-19 Kone Osakeyhtioe Fa Schiffskran
FR2322817A1 (fr) * 1975-09-05 1977-04-01 Howaldtswerke Deutsche Werft Grue flottante avec une fleche principale susceptible d'etre deposee sur le pont
US4297961A (en) * 1979-12-31 1981-11-03 Weaver Shipyard And Drydock, Inc. Outrigger-stabilized floating crane system
GB2196603A (en) * 1986-09-26 1988-05-05 Heerema Engineering Movable sheerleg structure and operation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SHIPPING WORLD & SHIPBUILDER, vol. 167, no. 3897, September 1974, pages 949-950; "'Musashi' The world's largest floating crane" *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9162736B2 (en) 2007-01-19 2015-10-20 Ronald J. Thibodaux Apparatus for performing overhead work using air-propelled vessel with articulating member
NL2007064C2 (en) * 2011-07-07 2013-01-08 Itrec Bv Shear leg crane and transportation vessel.
WO2013006041A1 (en) * 2011-07-07 2013-01-10 Itrec B.V. Shear leg crane and transportation vessel

Also Published As

Publication number Publication date
GB2196603B (en) 1990-01-10
GB2196603A (en) 1988-05-05
GB8623247D0 (en) 1986-10-29

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