WO1998058861A1 - Method and apparatus for loading a vessel with containers and for unloading the vessel - Google Patents
Method and apparatus for loading a vessel with containers and for unloading the vessel Download PDFInfo
- Publication number
- WO1998058861A1 WO1998058861A1 PCT/FI1998/000542 FI9800542W WO9858861A1 WO 1998058861 A1 WO1998058861 A1 WO 1998058861A1 FI 9800542 W FI9800542 W FI 9800542W WO 9858861 A1 WO9858861 A1 WO 9858861A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transfer
- vessel
- containers
- container crane
- transfer body
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G63/00—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations
- B65G63/002—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations for articles
- B65G63/004—Transferring or trans-shipping at storage areas, railway yards or harbours or in opening mining cuts; Marshalling yard installations for articles for containers
Definitions
- the invention relates to a method of loading a vessel with contain- ers and of unloading the vessel, according to which method at least one container crane movable in the direction of the vessel moored at the quay and at least one movable transfer body, on which the container crane can lift the containers from the vessel and from which it can take the containers to be loaded on the vessel, respectively, and also means for displacing the transfer body are used for loading and unloading a vessel transporting containers.
- the invention relates further to an apparatus for loading a vessel with containers and for unloading the vessel, the apparatus comprising at least one container crane movable in the direction of the vessel moored at the quay, at least one movable transfer body, on which the container crane is arranged to lift the containers to be unloaded from the vessel and from which it is arranged to take the containers to be loaded on the vessel, respectively, and also means for displacing the transfer body.
- Con- tainers have the advantage that they are quick-handled and that a container protects its content well against weather conditions and impacts.
- Container ships specialized in transporting containers are usually divided roughly into two types of vessels, i.e. ro-ro (roll on - roll off) and lo-lo (lift on - lift off) ships.
- the first-mentioned ship type is loaded in such a way that a transfer body and containers loaded thereon are drawn into the ship by a special harbour vehicle, and as regards the latter type, the containers are lifted by a container crane usually on the deck of the ship.
- the ship company gets its income according to transport perform- ances, i.e. from transporting freight from port A to port B. Orderers of a transport service do not pay for the time used for stowing, but only for the transport itself. On the other hand, they may be prepared to pay more, if the total transport time is short.
- containers are unloaded from and loaded on a vessel by driving the ship to the quay and by mooring it at the edge of the basin. Subsequently, a container crane, or two cranes, if necessary, are driven to the ship on rails or similar means parallel with the edge of the basin and thus also with the ship moored at it, and an unloading and a simultaneous loading are started.
- Containers are lifted by the container crane from the ship on a particular transfer body intended for harbour use, drawn by a transport vehicle and positioned below the crane, after which the transport vehicle displaces the transfer bodies with the containers thereon to the storage area of the harbour.
- the containers are arranged and stacked in the storage area by means of reach trucks, mobile cranes and straddle carriers of different kinds.
- the transfer bodies are driven manually by means of transport vehicles below the crane, whereby human factors always make the positioning of the transport bodies below the crane somewhat inaccurate, which leads to that lifting con- tainers by the crane on the transfer body and away from there does not always occur as desired.
- a need has arisen to develop container handling apparatuses and methods.
- the object of the present invention is to provide a novel and efficient method and apparatus for loading and unloading a container ship.
- the method according to the invention is characterized in that a supply point and a removal point are arranged at a distance from each other at the quay, between which points travels at least one transfer trolley and to which points the transfer bodies are brought and from which they are taken for loading and unloading, and that the transfer bodies are displaced between the supply point, the container crane and the removal point by means of the transfer trolley.
- the apparatus according to the invention is characterized in that a supply point and a removal point are arranged at a distance from each other at the quay, between which points at least one transfer trolley is arranged to travel and that displacing the transfer body between the supply point, the container crane and the removal point is arranged to take place by means of the transfer trolley.
- An essential idea of the invention is that transfer trolleys transporting transfer bodies to container cranes for loading and unloading are arranged to move automatically, controlled by a control system of the apparatus, from the supply point of transfer bodies below the container cranes and further to the removal point.
- the traffic from the removal point to the storage area can be attended to in a conventional manner by means of transport vehicles, in the same way as from the storage area to the supply point.
- Another essential idea is that a transfer trolley positions a transfer body automatically at the right place according to the container crane.
- rails or similar guide means are arranged at the edge of the quay, on which rails transfer trolleys are arranged to travel.
- a transfer trolley without a load is capable of travelling below a transfer body, which is positioned below the container crane and stands on its feet. Accordingly, the transfer trolley is capable of operating, even if transfer bodies are positioned in the direction of its path of movement.
- An advantage of the invention is that, in the future, also so-called fifth generation gigantic container ships can now be handled efficiently in har- bours, because the solution of the invention decisively increases the container handling capability of a harbour. This leads to that the lay days of both new and present ships will be less, which increases their transport performance and improves the cost-effectiveness. Further, the solution of the invention is flexible, for it is suitable for stowing both small and big vessels, which is due to that the number of container cranes and transfer trolleys can be proportioned according to the size of the vessel. Moreover, the solution can be automated rather far, and therefore, it can be applied with a limited manning, even entirely without a crew.
- transfer bodies need not be positioned manually below a container crane any more, but they are positioned automatically according to the position of the container crane, through which it is possible to eliminate human errors and inaccuracies at the positioning and the loading and unloading take place flexibly, because the transfer body always is at the right position.
- transfer bodies it is possible to arrange more transfer bodies than previously side by side below the container crane, when the transfer bodies are displaced accurately by means of a transfer trolley and no big safety distances between the transfer bodies are needed any more.
- Figure 1 shows schematically an arrangement of the invention for unloading and loading a container ship
- Figure 2 shows schematically a transfer trolley of the invention seen in its direction of travel and partially in section.
- Figure 1 shows the solution of the invention for unloading and loading a container ship schematically and from above.
- a vessel 1 which may be a container freight carrier similar to that shown in the figure and bigger than previously, is moored at a quay 2.
- Rails 3 or similar means are arranged for movable container cranes 4 at the edge of the quay 2, parallel with the edge.
- a number of container cranes 4, depending on the size of the vessel, can be driven on the rails 3 to a desired place at the vessel 1 , and after that, lifting means of the container cranes 4 can start lifting containers 5 from the deck of the vessel 1 , the lifting means being arranged to move in the transverse direc- tion of the vessel.
- Modern harbour cranes are capable of handling two containers simultaneously by their lifting means.
- the container crane 4 is displaced in the longitudinal direction of the vessel 1 according to container rows 6.
- the structure and operation of the container cranes are not described in more detail in this connection, because they are considered to belong to the know-how of one skilled in the art.
- the solution of the invention differs from the previously known solutions therein that transfer bodies 7, on which the container cranes 4 lift containers 5, are not displaced by means of transport vehicles 8 below the container cranes 4 any more, but the transfer bodies 7 are displaced by means of transfer trolleys 9 between a supply point 10, the container cranes 4 and a removal point 11. Accordingly, more container cranes 4 than previously have place to operate simultaneously, because no space is required between the container cranes 4 for the routes of the transport vehicles 8.
- transfer bodies 7 are displaced from the storage area to the supply point 10 and from the removal point 11 to the storage area, respectively, preferably in a conventional manner by means of transport vehicles 8.
- a transfer trolley 9 is positioned automatically at the right place according to the position of the container crane 4. The positioning may take place for instance on the basis of a signal sent by the container crane 4, by means of photocells or in some other manner known per se. The advantage of this is that a time-consuming manual positioning of the transfer body 7 by means of the transport vehicle 8 is thus avoided.
- fixed guides can be arranged in the earth for positioning the transfer body 7 at the supply point 10, these guides facilitating the right positioning of the transfer body 7 at the supply point 10. It is possible to use fixed guides, for the position of the supply point 10 remains constant.
- a control system is arranged to control the system. In its simplest form, it controls only the operation of the transfer trolleys 9.
- the control system attends to that a transfer trolley 9 displaces transfer bodies 7 in the most efficient way between the supply point 10 and the removal point 11 so that a container crane 4 always has at its disposal a transfer body 7 from which to unload containers 5 and on which to unload containers 5 from the vessel 1.
- the control system can also be more versatile, whereby it controls the whole loading and unloading operation, i.e. also the container cranes 4.
- a control system of this kind enables an efficient co-ordination of unloading and loading.
- the control system may comprise a computer, which calculates how to unload and load a vessel 1 in a manner as efficient as possible.
- FIG. 2 shows schematically a transfer trolley in its direction of travel and partially in section.
- the reference numerals of Figure 2 correspond to those of Figure 1.
- the transfer trolley 9 is preferably a device moving on rails or on other corresponding control means 12 by means of its own power source, the device being capable of driving below a transfer body 7, lifting up the transfer body 7 in such a way that the legs 13 of the transfer body 7 are loose from the ground, and transporting the transfer body 7 to a desired place and laying it down to support on its own legs 13.
- Six parallel transfer trolleys 9 or even more can be arranged to move in the way seen in Figure 1.
- Four containers 5 can be lifted on the transfer body 7 of Figure 2, two side by side and two on each other.
- Such a transfer body 7 is especially suitable for being used with modern container cranes handling two containers 5 at a time.
- Lifting up a transfer body 7 can be arranged to take place by means of hydraulic cylinders 14 or other suitable lifting means, for instance.
- the transfer trolley 9 obtains its operating energy preferably from conductors arranged in connection with the control means 12, but also other manners may be applied. Control information can also be transmitted by conductors or by radio waves, for instance.
- a control cable can be sunk into the earth, which cable the transfer trolley follows like a so-called automatic guided vehicle, or the transfer trolley can be controlled entirely without control means by transmitting the control information by radio.
- the concept "below the container” in this application means an area into which a crane is capable of moving its load and from which it is capable of taking load to be loaded on a vessel.
Landscapes
- Ship Loading And Unloading (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU79200/98A AU7920098A (en) | 1997-06-19 | 1998-06-18 | Method and apparatus for loading a vessel with containers and for unloading the vessel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI972687A FI972687A (fi) | 1997-06-19 | 1997-06-19 | Menetelmä ja laitteisto konttien lastaamiseksi alukseen ja purkamiseksi aluksesta |
FI972687 | 1997-06-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998058861A1 true WO1998058861A1 (fi) | 1998-12-30 |
Family
ID=8549100
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FI1998/000542 WO1998058861A1 (fi) | 1997-06-19 | 1998-06-18 | Method and apparatus for loading a vessel with containers and for unloading the vessel |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7920098A (fi) |
FI (1) | FI972687A (fi) |
WO (1) | WO1998058861A1 (fi) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1112949A1 (de) * | 1999-12-23 | 2001-07-04 | Atecs Mannesmann AG | Container-Terminal für den Umschlag von Stückgut |
AU744903B2 (en) * | 1997-10-20 | 2002-03-07 | Tts Handling Systems As | Method and arrangement for transporting load units |
NL1022696C2 (nl) * | 2003-02-14 | 2004-08-17 | Rotterdam Short Sea Terminals | Overslagstelsel voor containers. |
EP1995189A1 (en) * | 2006-03-13 | 2008-11-26 | Hirata Corporation | Storage device |
US7780390B2 (en) * | 2004-03-12 | 2010-08-24 | Mitsui Engineering & Shipbuilding Co., Ltd. | Container inspection/cargo-handling method and container inspection/cargo-handling system |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3543952A (en) * | 1968-03-29 | 1970-12-01 | Kaiser Ind Corp | Container handling and storage system |
US3559822A (en) * | 1968-02-22 | 1971-02-02 | Krupp Gmbh | Container transloading installation |
US4172685A (en) * | 1976-10-22 | 1979-10-30 | Hitachi, Ltd. | Method and apparatus for automatic operation of container crane |
GB2065076A (en) * | 1979-12-11 | 1981-06-24 | Ishikawajima Harima Heavy Ind | Container terminal |
EP0302569A1 (en) * | 1987-08-03 | 1989-02-08 | Europe Container Terminus B.V. | Storage and trans-shipment system for containers |
US5142658A (en) * | 1991-10-18 | 1992-08-25 | Daniel H. Wagner Associates, Inc. | Container chassis positioning system |
US5511923A (en) * | 1993-04-09 | 1996-04-30 | The Robotic Container Handling Co. | Container terminal apparatus and method |
-
1997
- 1997-06-19 FI FI972687A patent/FI972687A/fi not_active Application Discontinuation
-
1998
- 1998-06-18 AU AU79200/98A patent/AU7920098A/en not_active Abandoned
- 1998-06-18 WO PCT/FI1998/000542 patent/WO1998058861A1/fi active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3559822A (en) * | 1968-02-22 | 1971-02-02 | Krupp Gmbh | Container transloading installation |
US3543952A (en) * | 1968-03-29 | 1970-12-01 | Kaiser Ind Corp | Container handling and storage system |
US4172685A (en) * | 1976-10-22 | 1979-10-30 | Hitachi, Ltd. | Method and apparatus for automatic operation of container crane |
GB2065076A (en) * | 1979-12-11 | 1981-06-24 | Ishikawajima Harima Heavy Ind | Container terminal |
EP0302569A1 (en) * | 1987-08-03 | 1989-02-08 | Europe Container Terminus B.V. | Storage and trans-shipment system for containers |
US5142658A (en) * | 1991-10-18 | 1992-08-25 | Daniel H. Wagner Associates, Inc. | Container chassis positioning system |
US5511923A (en) * | 1993-04-09 | 1996-04-30 | The Robotic Container Handling Co. | Container terminal apparatus and method |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU744903B2 (en) * | 1997-10-20 | 2002-03-07 | Tts Handling Systems As | Method and arrangement for transporting load units |
EP1112949A1 (de) * | 1999-12-23 | 2001-07-04 | Atecs Mannesmann AG | Container-Terminal für den Umschlag von Stückgut |
NL1022696C2 (nl) * | 2003-02-14 | 2004-08-17 | Rotterdam Short Sea Terminals | Overslagstelsel voor containers. |
WO2004071911A1 (en) | 2003-02-14 | 2004-08-26 | Rotterdam Short Sea Terminals B.V. | Transshipment system for containers |
US7780390B2 (en) * | 2004-03-12 | 2010-08-24 | Mitsui Engineering & Shipbuilding Co., Ltd. | Container inspection/cargo-handling method and container inspection/cargo-handling system |
EP1995189A1 (en) * | 2006-03-13 | 2008-11-26 | Hirata Corporation | Storage device |
EP1995189A4 (en) * | 2006-03-13 | 2009-04-01 | Hirata Spinning | STORAGE DEVICE |
Also Published As
Publication number | Publication date |
---|---|
FI972687A0 (fi) | 1997-06-19 |
AU7920098A (en) | 1999-01-04 |
FI972687A (fi) | 1998-12-20 |
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