EP2944600B1 - Kranstütze und Kran zur Verwendung mit der Kranstütze - Google Patents

Kranstütze und Kran zur Verwendung mit der Kranstütze Download PDF

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Publication number
EP2944600B1
EP2944600B1 EP14171971.6A EP14171971A EP2944600B1 EP 2944600 B1 EP2944600 B1 EP 2944600B1 EP 14171971 A EP14171971 A EP 14171971A EP 2944600 B1 EP2944600 B1 EP 2944600B1
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EP
European Patent Office
Prior art keywords
crane
auxiliary
mast
sill
crane support
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.)
Not-in-force
Application number
EP14171971.6A
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English (en)
French (fr)
Other versions
EP2944600A1 (de
Inventor
Gerrit Van Wijk
Klaas Jacob Reinigert
Boaz Cochavi
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.)
Ardent Maritime Netherlands BV
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Ardent Maritime Netherlands 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 Ardent Maritime Netherlands BV filed Critical Ardent Maritime Netherlands BV
Priority to EP14171971.6A priority Critical patent/EP2944600B1/de
Priority to PCT/NL2015/050348 priority patent/WO2015174846A1/en
Publication of EP2944600A1 publication Critical patent/EP2944600A1/de
Application granted granted Critical
Publication of EP2944600B1 publication Critical patent/EP2944600B1/de
Priority to CY20171100855T priority patent/CY1119338T1/el
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • B66C23/60—Derricks
    • 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
    • B66C23/20—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 with supporting couples provided by walls of buildings or like structures
    • B66C23/206—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 with supporting couples provided by walls of buildings or like structures with supporting couples provided by iso containers

Definitions

  • the invention relates to a crane support and crane for use with the crane support useful in the offshore emergency unloading of container cargo from ships, such a crane is known from document US2051497A1 .
  • the offshore crane vessels there are at present no existing floating cranes available to unload containers from such a vessel.
  • these offshore crane vessels are either not available or far too expensive and it is doubtful if these cranes can come alongside due to their draft.
  • an object of the present invention to propose an improved crane support and crane for offshore emergency unloading of container cargo from ships.
  • the invention provides for a crane support and crane for use with the support as defined in one or more of the appended claims.
  • the crane support and crane of the invention is designed in such a way that all components of the crane can be lifted on board the stricken vessel with a helicopter and next erected to start discharging the containers.
  • the crane support and crane of the invention is intended to be used to unload containers from a large c.q. ultra large container vessel, when this vessel has been involved in a collision and subsequent grounding, stranding, explosion and /or fire or is partly submerged.
  • discharge of containers is possible onto a barge/supply vessel, which is moored alongside, port as well as starboard side depending on the local conditions. For design conditions a maximum list of 3 degrees and/or a trim of 6 degrees is envisioned.
  • FIG. 1 A front elevation of a crane support 1 and a crane 3 according to the invention is shown in Figure 1 .
  • the crane 3 as illustrated is of a derrick type.
  • the crane support structure 1 as shown in Figure 1 has main strut 5, with splayed individual first and second legs 5A, 5B.
  • the main strut 5 is positioned directly under a mast 7 of the derrick type crane 3.
  • the mast 7 is supported on a nodal base 9 from which also horizontal sill beams extend in diverging directions.
  • a first sill beam 11 is visible in Figure 1 .
  • a near end of the first sill beam 11 is connected to the nodal base 9, and a far end of the first sill beam 11 is supported by a first auxiliary strut 13.
  • the main strut 5, with its first and second legs 5A, 5B, and first auxiliary strut 13 are attached and supported from an upper surface 15 of a ship's structure.
  • This ship's structure can be a weatherdeck of a container vessel that has bays of stacked containers separated by gangways extending transversely of the ship's length.
  • Such a bay of containers is indicated by the reference numeral 17 and the main strut 5 and first auxiliary strut 13 are located in a gangway that separates the bay 17 from a next bay of containers.
  • bays of individual containers 19 can be stowed up to ten containers high on weatherdecks (about 28 m high).
  • the crane 3 of this example is a so-called stiff leg derrick and has a first stiff leg 21 that connects a top of the mast 7 to the far and of the first sill beam 11.
  • a boom 23 and a topping or luffing arrangement 25 Pivotally connected to the nodal base 9 is a boom 23 and a topping or luffing arrangement 25 that extends between a free end of the boom 23 and a top end of the mast 7.
  • the boom 23, as illustrated in Figure 1 is rotated to extend transversely of the ship's longitudinal direction.
  • a load hoisting cable 27 extends along the boom 23 and is schematically illustrated to carry a container 19. Topping of the boom 23 and hoisting of the load are controlled by an arrangement of winches, generally indicated by reference numeral 29.
  • the winch arrangement 29 is mounted on an outrigger structure 31.
  • FIG. 2 is a side elevation parallel to a ship's longitudinal direction.
  • the boom 23 of the derrick crane 3 has been rotated to extend in the longitudinal direction of the ship on which strucural surface 15 it is supported.
  • Visible in the view of Figure 2 are a second sill beam 33 and a second stiff leg 35.
  • a far end of the second sill beam 33 is supported on a second auxiliary strut 37.
  • the first auxiliary strut 13, and the main strut 5 hidden therebehind in Figure 2 are both positioned and attached to the ship structure upper surface 15 along a gangway on one side of the bay 17 of stowed containers 19.
  • the second auxiliary strut 37 is positioned and attached to the ship structure at an opposite side of the container bay 17.
  • the gangways between adjacent container bays, as explained above, are usually provided with lashing bridges and the level of such a lashing bridge is indicated by an interrupted line 39 in Figure 2 .
  • the other reference numerals indicated in Figure 2 have already been discussed in reference to Figure 1 .
  • FIG 3 a schematic partial top plan view of Figure 2 is shown.
  • the second sill beam 33 and the second stiff leg 35 which are now overlapping extend at an angle of 90 degrees with respect to the first sill beam 11 and the first stiff leg 21.
  • the boom 23 which is rotatable with respect to the nodal base 9 by a ring gear 41 can be slewed through an angle extending between a first boundary, indicated by interrupted line 43, and a second boundary, indicated by interrupted line 45. This slewing of the boom 23 is above the highest level of containers 19. Also visible in Figure 3 are the respective positions of the first and second auxiliary struts 13, 37.
  • FIG 4 an upper detail of the main strut 5 on an enlarged scale is shown.
  • the first leg 5A of the splayed legs at an upper end is provided with a spherical bearing mount 47 engaged between a pivot bracket 49 that supports the nodal base 9.
  • Figure 5 is a side view of Figure 4 and shows in cross section a spherical bearing 51 positioned in the bearing mount 47 and a pivot pin 53 which extends through both the spherical bearing 51 and the pivot bracket 49.
  • the second leg 5B of the main strut 5 is pivoted to the first leg 5A, as shown in Figure 4 , by means of a pivot connection 55.
  • Figure 6 is a partial side view from an opposite direction to that of Figure 5 , and generally corresponds to a partial view of Figure 2 .
  • Figure 6 again shows the arrangement of the main strut 5 supporting the nodal base 9 by means of the spherical bearing 51 and pivot pin 53.
  • the ring gear 41 is associated with a mast base 57 for slewing the boom 23 and mast 7 in respect of the nodal base 9, as will be explained below.
  • the outrigger structure 31 extends from the mast base 57 in a direction opposite to the boom 23.
  • the second sill beam 33 extending from the nodal base 9, as shown in Figure 6 is additionally supported using a top corner fitting 19A of an uppermost container 19 stowed on the vessel to which the crane support 1 and crane 3 are mounted.
  • a transverse beam 59 is mounted across two corner fittings 19A of the container 19 by twistlocks 61 and a height adjustable support 63 between the transverse beam 59 and a lower surface of the second sill beam 33.
  • a rigging cable 65 between the beam 59 and the second sill beam 33 is used to take up side loads acting on the crane support 1. Similar rigging can be applied to the first sill beam 11.
  • the legs 5A, 5B of the main strut 5, and the first and second auxiliary struts 13, 37 are each made of individual sections having a first section end 67 and an opposite end second section end 69.
  • the individual sections have lengths that are convenient to transport or air lift by helicopter. It is to be understood that only intermediate secion will be provided with both the first and second ends 67, 69.
  • Upper and lower end sections of each main 5 and auxiliary struts 13, 37 will only have one of the first and second ends 67, 69.
  • the first section end 67 is formed with a central bore 71 in opposite walls.
  • the second section end 69 has a nose section 73, which snuggly fits inside of the opposite walls of the first section end 67.
  • the nose section 73 can be welded to the inside of the second section end 69, and also has opposite central bores 75 in its portion that aligns with the central bores 71 of the first section end 67.
  • the central bores 75 in the nose section 73 have a smaller diameter than the central bores 71 in the first section end 67.
  • the transverse bolt 77 has an excentric head 77A on one end that fits into the larger bore 71 of the first section end 67 on one side, whereas on an opposite side an excentric sleeve 79 is fitted in the opposite larger bore 71 of the first section end 67.
  • the first and second section ends 67, 69 can be firmly engaged with one another, by taking up any play. Thereafter the connection can be immobilised by firmly fastening a nut 81 on the bolt 77.
  • the skilled person will be aware of many other arrangements that will substantially accomplish the same function with similar means.
  • an appropriate selection of varying lengths will also enable the crane support 1 to be adapted to different heights of stacked containers, or to achieve the best possible vertical position for the struts to compensate for list and trim of the ship.
  • a lower end of the struts 5A, 5B, 13, 37 which will be attached by wielding or the like to a ship's structural upper surface 15, are provided with an adjusting arrangement to cope with differences smaller than a smallest strut section.
  • a bottom end of a lower section of a main strut leg 5A, 5B or one of the first and second auxiliary struts 13, 37 is engaged with a bottom section 83 to telescope therein.
  • a rotatable threaded sleeve 85 Inside the bottom section 83 is a rotatable threaded sleeve 85, which engages a threaded screw spindle 87 that is connected at 89 to the lower section of the strut 5A, 5B, 13, 37.
  • FIG. 9A shows a partial elevation of the bottom section 83 perpendicular to the view of Figure 9B .
  • Figure 9A shows that a pedestal 91 for attachment to a ship's structure, such as surface 15, is connected to the bottom section 83 by a spherical bearing arrangement 93 that is very similar to the spherical bearing connection explained in reference to Figures 4 and 5 .
  • Figure 10 shows an extreme situation of use of the crane support 1 and crane 3 of the invention.
  • the ship structure's upper surface 15 has a list of 30 degrees, and full use is made of the capability of varying the individual lengths of each of the first and second legs 5A, 5B of the main strut 5, as well as of the first auxiliary strut 13, and the second auxiliary strut 37 (the latter only indicated as a dotted line).
  • These individual lengths are obtained by combining appropriate lengths of strut sections and by using the length adjustment described in reference to Figures 9A and 9B .
  • Appropriate section lengths can be 2.6 and 5.2 meters, in combination with bottom sections that offer 0.8 meters of adjustment. This is clearly not a limiting exampole and other and more section lengths or adjustment ranges can be employed.
  • Figure 11 shows the mast base 57 and the nodal base 9 in somewhat more detail.
  • the ring gear 41 is driven by an electric or hydraulic motor 95 through a pinion 97 for slewing the boom 23.
  • the boom 23 (deleted in Figure 11 ) is pivotally connected to pivot bearing 99.
  • Figure 12 shows a top view of the mast base 57 and reveals a stub shaft 101 that extends all the way through the mast base 57 and the nodal base 9 to pivotally journal the mast base 57 with respect to the nodal base 9 for slewing the boom 23 between the boundaries 43, 45 indicated in Figure 3 .
  • Figure 13 shows a top view of the nodal base 9, which has a bore 103 for receiving the stub shaft 101 of the mast base 57. It is further clear from Figure 13 that the nodal base 9 is substantially in the form of a "T", with a first branch 9A, and opposite second and third branches 9B, 9C.
  • the first branch 9A forms a connection for the second sill beam 33.
  • the second and third branches 9B, 9C form optional connections for the first sill beam 11, which thereby can optionally extend in one of the two opposite directions.
  • This option is convenient and offers versability in that it offers freedom to have the mast 7 of the crane 3 selectively in front of, or behind a bay of containers 17
  • the stiff leg derrick crane 3 used in the present invention is generally similar to the stiff leg derrick type crane described in patent publication US 3148778 the mast top connection has been further improved as shown in Figure 14 .
  • the top of the mast 7 has a writst pin 105 about which a collar 107 is journalled.
  • the collar 107 has a lug 109, which is pivotally mounted by a transverse pin 111 to the second shift leg 35, as well as by a further lug (not visible, but perpendicular to the lug 109) to the first stiff leg 21 (also not visible in Figure 14 , but analogue to the connection of the second stiff leg).
  • the collar 107 allows the mast 7, together with the boom 23 at its lower end to rotate or slew about the wrist pin 105.
  • the improvement is that the forces introduced into the collor 107 by the luffing arrangement 25 are equally distributed over top and bottom cable socket connections 113, 115.
  • Each of the top and bottom cable socket connectors 113, 115 is equally spaced at a distance 117 from a center of the wrist pin 105 and collar 107. This arrangement prevents the introduction-of-skewing forces in the mast top bearing and thereby allows to reduce weight in the construction.
  • a ship's container unloading device that comprises a crane support 1 for supporting from a ship structure a derrick type crane 3 for offshore emergency unloading of container cargo, and the derrick type crane 3 for use with the support 1.
  • the derrick type crane 3 has a nodal base 9 supporting a substantially vertical mast 7, and first and second sill beams 11, 33 extending horizontally from the nodal base 9 in substantially perpendicular directions.
  • the lower ends of the main, first auxiliary, and second auxiliary struts 5, 13, 37 are adapted to be attached to a ship structure, and an upper end of at least one of the main, first auxiliary, and second auxiliary struts 5, 13, 37 is adapted to be rigged to at least one of a ship structure, and a container cargo attached to the ship structure.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
  • Ship Loading And Unloading (AREA)

Claims (11)

  1. Kranstütze zum Stützen, von einer Schiffsstruktur aus, eines Derrickkrans (3) zur Offshore-Notabladung von Containerfracht, welcher Derrickkran eine nodale Basis (9), die einen vertikalen Mast (7) stützt, und erste und zweite Ausleger, die horizontal von der nodalen Basis in im Wesentlichen lotrechte Richtungen verlaufen, hat, dadurch gekennzeichnet, dass die Kranstütze Folgendes umfasst:
    eine Hauptstrebe (5) mit abwärts auseinandergehenden ersten und zweiten Beinen (5a, 5b), wobei jedes Bein obere und untere Enden hat und angeordnet ist, um eine nodale Basis eines Derrickkrans von den oberen Enden aus zu stützen;
    eine erste Hilfsstrebe (13) mit oberen und unteren Enden, geeignet um von ihrem oberen Ende einen ersten Simsausleger (11) eines Derrickkrans an einer Stelle des ersten Simsauslegers, entfernt von der nodalen Basis, zu stützen; und
    eine zweite Hilfsstrebe (37) mit oberen und unteren Enden und geeignet, um von ihrem oberen Ende einen zweiten Simsausleger (33) eines Derrickkrans an einer Stelle des zweiten Simsauslegers, entfernt von der nodalen Basis, zu stützen,
    wobei die unteren Enden der Haupt-, ersten Hilfs- und zweiten Hilfsstreben geeignet sind, um an einer Schiffsstruktur befestigt zu werden, und
    wobei ein oberes Ende von mindestens einer der Haupt-, ersten Hilfs- und zweiten Hilfsstreben geeignet ist, um an mindestens einer von einer Schiffsstruktur und einer an der Schiffsstruktur befestigten Containerfracht aufgetakelt zu werden.
  2. Kranstütze nach Anspruch 1, wobei kugelförmige Lager (47) zwischen den oberen Enden der Streben und der entsprechenden nodalen Basis oder den darauf gestützten Simsauslegern und zwischen den unteren Enden der Streben und der Schiffsstruktur bereitgestellt sind.
  3. Kranstütze nach Anspruch 1 oder 2, wobei mindestens eines der ersten und zweiten Beine der Hauptstrebe und der ersten und zweiten Hilfsstreben von einer Vielzahl trennbarer einzelner Abschnitte mit einer gegebenen vordefinierten Länge gebildet werden.
  4. Kranstütze nach Anspruch 3, wobei die Vielzahl der einzelnen Abschnitte mit einer gegebenen vordefinierten Länge einzelne Abschnitte mit verschiedenen vordefinierten Längen umfassen.
  5. Kranstütze nach einem der Ansprüche 1 bis 4, wobei das obere Ende der mindestens einen der Haupt-, ersten Hilfs- und zweiten Hilfsstreben geeignet ist, um an mindestens drei Eckbeschlägen von obersten Containern, die die an der Schiffsstruktur befestigte Containerfracht bilden, aufgetakelt zu werden.
  6. Kranstütze nach Anspruch 5, wobei ein Querausleger über zwei Eckbeschläge durch Regelbolzen montiert ist.
  7. Kranstütze nach Anspruch 6, wobei eine höhenverstellbare Stütze zwischen dem Querausleger und einer unteren Fläche von einem der ersten und zweiten Simsausleger eingefügt ist.
  8. Kranstütze nach Anspruch 5, 6 oder 7, wobei ein Takelkabel zwischen dem Querausleger und einem der ersten und zweiten Simsausleger verläuft, um Lasten, die auf die Kranstütze einwirken, aufzunehmen.
  9. Kranstütze nach einem der Ansprüche 1 bis 8, wobei die unteren Enden der Haupt-, ersten Hilfs- und zweiten Hilfsstreben geeignet sind, um durch Schweißen an einer Schiffsstruktur befestigt zu werden.
  10. Kran zur Verwendung mit der Kranstütze nach einem der vorhergehenden Ansprüche, umfassend eine nodale Basis, die einen im Wesentlichen vertikalen Mast stützt, und erste und zweite Simsausleger, die horizontal von der nodalen Basis in im Wesentlichen lotrechte Richtungen verlaufen, ein erstes starres Bein, verlaufend zwischen einer Spitze des Mastes und einem entfernten Ende des ersten Simsauslegers, und ein zweites starres Bein, verlaufend zwischen der Spitze des Mastes und einem entfernten Ende des zweiten Simsauslegers, und einen Baum, drehend verbunden mit einer Unterseite des Mastes und mit einem freien Ende, hängend von der Spitze des Mastes durch eine Wippanordnung, wobei die Mastspitze einen Anlenkbolzen hat, mit dem sie in einen Kragen eingesetzt ist, der an jedem der ersten und zweiten starren Beine befestigt ist, und wobei die Wippanordnung an der Spitze des Mastes in gleichen Abständen über und unter einem Zentrum des Anlenkbolzens verankert ist.
  11. Kran nach Anspruch 10, wobei die nodale Basis eine T-Form hat, mit einem der ersten und zweiten Simsausleger befestigt an einem Schaft der T-förmigen nodalen Basis, und die selektive Befestigung des anderen der ersten und zweiten Simsausleger an einer der lateral verlaufenden Stangen der T-förmigen nodalen Basis erlaubt.
EP14171971.6A 2014-05-16 2014-06-11 Kranstütze und Kran zur Verwendung mit der Kranstütze Not-in-force EP2944600B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14171971.6A EP2944600B1 (de) 2014-05-16 2014-06-11 Kranstütze und Kran zur Verwendung mit der Kranstütze
PCT/NL2015/050348 WO2015174846A1 (en) 2014-05-16 2015-05-15 Crane support and crane for use with the crane support
CY20171100855T CY1119338T1 (el) 2014-05-16 2017-08-09 Εδραση γερανογεφυρας και γερανος για χρηση με την εδραση γερανογεφυρας

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14168717 2014-05-16
EP14171971.6A EP2944600B1 (de) 2014-05-16 2014-06-11 Kranstütze und Kran zur Verwendung mit der Kranstütze

Publications (2)

Publication Number Publication Date
EP2944600A1 EP2944600A1 (de) 2015-11-18
EP2944600B1 true EP2944600B1 (de) 2017-07-12

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EP14171971.6A Not-in-force EP2944600B1 (de) 2014-05-16 2014-06-11 Kranstütze und Kran zur Verwendung mit der Kranstütze

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EP (1) EP2944600B1 (de)
CY (1) CY1119338T1 (de)
WO (1) WO2015174846A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004002424U1 (de) * 2004-02-17 2005-07-07 Liebherr-Werk Ehingen Gmbh Derrickkran
CN107150963A (zh) * 2017-06-30 2017-09-12 天津大学 一种海洋平台起重机
CN113336108A (zh) * 2021-04-21 2021-09-03 中国化学工程第三建设有限公司 一种冷塔内高空移动式塔机拆除用桅杆工具
WO2022241715A1 (zh) * 2021-05-18 2022-11-24 常熟通润汽车零部件股份有限公司 一种吊机
CN113830685A (zh) * 2021-10-12 2021-12-24 临工集团济南重机有限公司 转台回转速度的控制方法及其控制系统、高空作业平台

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2051497A (en) * 1932-09-19 1936-08-18 Sasgen Derrick Company Multiple derrick construction
FR1188952A (fr) * 1957-12-24 1959-09-28 Appareil de levage, à flèche basculante, pour tuiles ou autres applications
US3148778A (en) 1962-12-03 1964-09-15 American Hoist & Derrick Co Stiff leg derrick
CN1076710C (zh) * 1996-02-29 2001-12-26 玛莫伊特迪卡里弗特国际有限公司 起重设备

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WO2015174846A1 (en) 2015-11-19
CY1119338T1 (el) 2018-02-14
EP2944600A1 (de) 2015-11-18

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