EP0558155A1 - Portalkran - Google Patents

Portalkran Download PDF

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Publication number
EP0558155A1
EP0558155A1 EP93200556A EP93200556A EP0558155A1 EP 0558155 A1 EP0558155 A1 EP 0558155A1 EP 93200556 A EP93200556 A EP 93200556A EP 93200556 A EP93200556 A EP 93200556A EP 0558155 A1 EP0558155 A1 EP 0558155A1
Authority
EP
European Patent Office
Prior art keywords
portal
cables
gantry crane
transport path
hoisting
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.)
Ceased
Application number
EP93200556A
Other languages
English (en)
French (fr)
Inventor
Hans Maarten Wijga
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.)
CROESE ENGINEERING CONSULTANTS BV
Original Assignee
CROESE ENGINEERING CONSULTANTS 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 CROESE ENGINEERING CONSULTANTS BV filed Critical CROESE ENGINEERING CONSULTANTS BV
Publication of EP0558155A1 publication Critical patent/EP0558155A1/de
Ceased 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
    • B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries

Definitions

  • the invention relates to a gantry crane for loading/unloading cargo, packets or break-bulk such as paper rolls, coils, drums, bundled timber and the like from ships, which crane comprises a portal, a girder supported by the portal and having a first horizontal transport path, a trolley provided with hoisting winches movable along this transport path.
  • the invention has for its object to obviate the above-stated drawback and provides for this purpose a gantry crane which is distinguished in that the portal is provided with a transfer station at a lower level than the girder, wherein at least a second horizontal conveyor is arranged in the portal, which extends between the transfer station and a delivery, receiving station at the level of the quay.
  • the second transport path preferably has a horizontal transport section with a vertical transport section connecting thereto. It can be advantageous herein to split the horizontal as well as the vertical portion of the transport path into two or more paths.
  • FIG. 1 Designated in the drawings with the numeral 1 is the portal of the gantry crane according to the invention, which portal can be constructed from a framework of columns and beams with stiffening shores.
  • a girder 2 Arranged in the top of the portal 1 is a girder 2 which is provided with a transport path 3 for the reciprocal movement of a trolley 4 which in the embodiment shown can be moved from a position indicated with the full line on the right in fig. 1 to a position indicated with the dashed line of the girder 2 and vice-versa.
  • the portion of the girder 2 situated above the loading/-unloading location for the ocean-going vessel can be swung back according to the known art by a pivot construction arranged in the girder and by means of a tackle 5 which extends between a point of the movable part of girder 2 to a tower construction 6 on top of portal 1.
  • the swung-back position of the girder 2 is shown in fig. 2 and designated 2'.
  • the portal is provided with a transfer station, wherein the load is delivered by the trolley and subsequently transferred to a second conveyor situated in the portal 1.
  • the transfer station is designated in figure 1 with the numeral 10 and is situated at a determined height above the quay K such that free transport of land vehicles through the portal remains possible.
  • the transfer station and the second conveyor are indicated schematically in fig. 3.
  • the transfer station consists of an unloading bay 11 onto which the load L can be set down and where the box or cage 12 containing the load on either side can be taken away.
  • the box or cage 12 is adapted to the load.
  • This cage forms part of the transport system in the crane.
  • the cage 12 is suspended from the trolley via a yoke 20, which will be further elucidated below.
  • Such a cage 12 enables handling of so-called break-bulk, that is, loose cargo not packed in containers.
  • the load is then transported in the direction of the arrow P1 to a lift construction which is situated at a distance from the unloading bay 11 and which forms a vertical transport part of the second conveyor.
  • This lift construction is also supplied on both sides by the two transport paths 13 of the horizontal transport part such that the load L can be pushed from two opposite sides into the lift construction and be placed on a horizontal transverse transport part 14 consisting of two sections. These sections operate in opposing directions as according to the arrow P3 such that the load can be carried to the end edge of each transport section. There the load can be taken over by land transport vehicles, for example forklift trucks, if the load is stowed on pallets.
  • lift construction 14 is arranged on the quay side of portal 1, as are the transport sections 14.
  • the girder 2 protrudes on the quay side so far outside portal 1 that it is possible to set the load down directly from the trolley onto the quay to the side of the lift construction 14 and the transport sections 15.
  • the two transport paths 13 of the horizontal part run parallel at a mutual distance so that a vertical passage space becomes available therebetween. This makes it possible for the load L to be set down directly by the trolley hoist system onto the quay between the legs of the portal.
  • the transport paths 13 and 14 can serve therein as buffer for adapting the unloading times by the land transport vehicles and those of the trolley 4.
  • Fig. 4 shows an embodiment wherein use is made of a lifting yoke 20 for suspending the cage 12 or the like which hangs using hoisting cables 21 from a hoisting platform 22 situated on the trolley.
  • the hoisting cables are guided on the hoisting platform such that the loose parts can extend to two points per side of the lifting yoke 20, whereby swinging of the lifting yoke relative to the trolley 4 is limited to a minimum. This improves the accuracy of placing of the load L on the unloading bay 11 which likewise results in considerable time-saving.
  • the cables 21 are wound onto winch drums 23 such that when the winch drums are driven synchronously all the cables are simultaneously paid out or drawn in.
  • the cables are further guided on the trolley by means of the guide discs such that an equal free cable length between the point of attachment of the cables on the load and drum respectively is obtained for each pair.
  • the points of attachment of the cable ends of the cables in each case of a pair can lie mutually staggered on the yoke, that is, at different distances relative to a side of the yoke 20, see points of attachment 24 and 25 in fig. 4.
  • An exact free cable length is thus obtained for all the cables of a pair, whereby length differences as a result of temperature and load weight is kept the same for all cables.
  • the yoke 20 will therefore not start to hang askew whereby it would be possible for a load to fall out of the open cage 12 during transport. Balancing yokes and the like are also not necessary.
  • transport of the load along the second conveyor consisting of the path sections 13, 14 and 15 can take place in fully automated manner, because the transport paths and movements of the conveyors along these paths can be fully synchronously adapted to each other.
  • a proposed embodiment of the transport member on the path section 13 is a carriage reciprocally movable along a guide and having blades similar to those of a forklift truck which can for instance lift up, fixedly hold and transport the pallets under the load.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ship Loading And Unloading (AREA)
EP93200556A 1992-02-28 1993-02-26 Portalkran Ceased EP0558155A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9200376 1992-02-28
NL9200376A NL9200376A (nl) 1992-02-28 1992-02-28 Havenkraan.

Publications (1)

Publication Number Publication Date
EP0558155A1 true EP0558155A1 (de) 1993-09-01

Family

ID=19860497

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93200556A Ceased EP0558155A1 (de) 1992-02-28 1993-02-26 Portalkran

Country Status (2)

Country Link
EP (1) EP0558155A1 (de)
NL (1) NL9200376A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771396A1 (fr) * 1997-11-26 1999-05-28 Nfm Tech Dispositif de manutention de conteneurs
WO2000069768A1 (en) * 1999-05-19 2000-11-23 Man Yop Han Trolley moving mechanism in circulating type gantry crane

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212654A (en) * 1963-11-21 1965-10-19 Lansing Bagnall Ltd Apparatus for loading and unloading goods
FR1549447A (de) * 1966-11-04 1968-12-13
US3783792A (en) * 1972-01-20 1974-01-08 J Cullom Repair facility for overhead crane
GB1346520A (en) * 1971-02-05 1974-02-13 Andersson L Loading and unloading installations for use with ships
US3812987A (en) * 1970-12-30 1974-05-28 Ishikawajima Harima Heavy Ind Container loading and unloading
DE2502713A1 (de) * 1974-12-20 1976-07-01 Bbc Brown Boveri & Cie Hubwerk
GB2029374A (en) * 1978-08-30 1980-03-19 Hitachi Ltd Container handling apparatus
EP0246922A2 (de) * 1986-05-23 1987-11-25 James S. Albus Kabelanordnung und Hebeplattform zum Stabilisieren einer Last beim Heben
US4973219A (en) * 1986-04-30 1990-11-27 Sea-Land Corporation Grid rail container transport and storage system

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3212654A (en) * 1963-11-21 1965-10-19 Lansing Bagnall Ltd Apparatus for loading and unloading goods
FR1549447A (de) * 1966-11-04 1968-12-13
US3812987A (en) * 1970-12-30 1974-05-28 Ishikawajima Harima Heavy Ind Container loading and unloading
GB1346520A (en) * 1971-02-05 1974-02-13 Andersson L Loading and unloading installations for use with ships
US3783792A (en) * 1972-01-20 1974-01-08 J Cullom Repair facility for overhead crane
DE2502713A1 (de) * 1974-12-20 1976-07-01 Bbc Brown Boveri & Cie Hubwerk
GB2029374A (en) * 1978-08-30 1980-03-19 Hitachi Ltd Container handling apparatus
US4973219A (en) * 1986-04-30 1990-11-27 Sea-Land Corporation Grid rail container transport and storage system
EP0246922A2 (de) * 1986-05-23 1987-11-25 James S. Albus Kabelanordnung und Hebeplattform zum Stabilisieren einer Last beim Heben

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2771396A1 (fr) * 1997-11-26 1999-05-28 Nfm Tech Dispositif de manutention de conteneurs
EP0919509A1 (de) * 1997-11-26 1999-06-02 NFM Technologies Vorrichtung zum Handhaben von Containern
WO2000069768A1 (en) * 1999-05-19 2000-11-23 Man Yop Han Trolley moving mechanism in circulating type gantry crane

Also Published As

Publication number Publication date
NL9200376A (nl) 1993-09-16

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