EP1927569A1 - Ship to shore container crane and method of operating such crane - Google Patents
Ship to shore container crane and method of operating such crane Download PDFInfo
- Publication number
- EP1927569A1 EP1927569A1 EP06125258A EP06125258A EP1927569A1 EP 1927569 A1 EP1927569 A1 EP 1927569A1 EP 06125258 A EP06125258 A EP 06125258A EP 06125258 A EP06125258 A EP 06125258A EP 1927569 A1 EP1927569 A1 EP 1927569A1
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- European Patent Office
- Prior art keywords
- container
- coupling means
- cabin
- boom
- trolley
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- 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.)
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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
- B66C19/00—Cranes comprising trolleys or crabs running on fixed or movable bridges or gantries
- B66C19/002—Container cranes
Definitions
- the invention is related to a ship to shore container crane comprising a gantry structure, a boom supported with respect to said gantry structure, said boom in an operating position extending between a ship facing end and a shore facing end, trolley means movably supported along the boom in said operating position, two coupling means such as two spreaders, at least two cable hoisting means extending between the trolley means and a respective couplimg means, as well as an operator's cabin suspended from said trolley means.
- the object of the invention is therefore to provide a ship to shore container crane of the type described before by means of which a reduced handling period for loading or unloading of a container ship can be obtained, and which on the other hand provides the possibility to exert the required control on said containers.
- This object is obtained in that, in a direction parallel to the boom, one of the cable hoisting means is positioned on one side of the control cabin, and the other cable hoisting means is positioned on the opposite side of the cabin.
- a first advantage of the crane layout according to the invention is the close proximity of the cabin, and thus of the operator or driver, with respect to the coupling means, such as spreaders, hooks etc., and containers suspended from the adjacent trolleys.
- This proximity offers a sufficient view of the operator on the container and spreader which are being positioned and coupled or uncoupled.
- the distance between the cable hoisting means is preferably relatively small, e.g. in the order of 2-5 times the width of a container. Said width should be large enough to provide a safe distance between the operator's cabin and a lifted spreader/container, but small enough to provide the required view for the operator on both spreader/container combinations.
- this control is possible through one operator only.
- Such single operator control is further promoted by providing a cabin which is rotatable about an essentially vertical axis. The cabin is thus rotated towards the spreader/container being handled; subsequently the cabin can be rotated towards the other spreader/container.
- a further important advantage of this embodiment is that, under the control of one operator only, two containers can be handled quasi-simultaneously, which leads to the desired, more efficient process of loading/unloading of a ship.
- the trolley means may comprise two interconnected trolleys, each of said trolleys being provided with a respective cable hoisting means.
- the trolleys may be interconnected e.g through a beam structure or any other suitable connection, the cabin being suspended rotatably between the trolleys, e.g from the middle of the beam.
- the trolley means may comprise a single, unitary trolley from which the hoisting means with the cabin in between are suspended.
- the invention is moreover related to a method of handling containers by means of a ship to shore container crane comprising a gantry structure, a boom supported with respect to said gantry structure, said boom in an operating position extending between a ship facing end and a shore facing end, trolley means movably supported along the boom in said operating position, two coupling means such as spreaders and at least two cable hoisting means extending between the trolley means and a respective coupling means or spreader.
- said method comprises the steps of:
- This gain in handling time is also made possible by the fact that the handling process can be carried out simultaneously both under automatic, preprogrammed control and under operator control. This can play a role for instance under the circumstance that the process of lifting one of the spreader with container is continued while the other spreader is positioned on the other container. Said step of lifting the one spreader with container can then be carried out under programmed, automatic control, while the process of positioning and coupling the other spreader and container can be carried out under operator control, thus alleviating the operator's task of handling two containers.
- the method according to the invention may comprise the steps of:
- the method according to the invention may comprise the steps of:
- a time gain can be obtained by the steps of:
- the operator has always the required view for handling the spreaders and containers, by rotating the cabin towards a respective spreader before positioning said spreader on a respective container. Furthermore, the cabin can be rotated towards a respective spreader with container coupled thereto before positioning said respective spreader with container with respect to the target location.
- Figure 1 shows a ship to shore container crane according to the invention in side view.
- Figure 2 shows an enlarged view of the trolley means with double cable hoisting means and rotatable cabin according to the invention.
- Figure 3 shows a front view of said trolley means.
- the ship to shore container crane as shown in figure 1 comprises, in a known way, a gantry structure 1 and a boom 2 supported on said gantry structure 1.
- Said boom 2 comprises a fixed boom part 3 as well as a rotatable pivoting boom part 4.
- this pivoting boom part 4 is supported.
- the boom 2 is shown in full lines in its operating position extending between a ship facing end 6 and a shore facing end 7.
- the gantry structure 1 is supported on a quay 8 by means of rails 9 and wheels 10 so as to be displaceable along a ship 11 moored to the quay 8.
- the ship 11 carries a load 17 which consists of a large number of containers 18 stacked upon and next to each other in a known way.
- the boom 2 comprises two boxlike girders 12, 13, onto which the trolley structure 14 is displaceably supported. This is obtained in a known way by means of rails 15 mounted on said boxlike girders 12, 13 and wheels 16 mounted to the trolley structure 14.
- the trolley structure 14 consists of two pairs of trolleys 19, 20 which are interconnected by the beam 21.
- This layout can also be considered to represent a single, unitary trolley.
- this beam is shown as a box type beam, but the construction of said beam can be of any type, such as a lattice structure.
- two cable hoisting means 22, 23 are suspended, each comprising cables 24 shored over the trolley sheaves 25 and sheaves 26 which are accomodated in the head block 34 mounted to the spreader 27.
- Such cable hoisting means 22, 23 are known per se, and will therefore not further be described.
- an operator's cabin 33 is suspended from the beam 21 by means of column 29. According to the invention, said cabin 33 is rotatable about a vertical axis through the slewing ring 30.
- the trolley structure 14 is put in a position above the container load 17 of the ship 11.
- the cabin 33 is rotated such that the operator is facing said ship facing end 6 as well.
- the operator has the required view on the spreader 28 situated on the ship facing side of the trolley structure 14.
- Said spreader 28 is then lowered by the corresponding cable hoisting means 23, and the spreader 28 can be positioned just above the container 32 in question under operator control.
- the spreader 28 is coupled in a known way to said the container 32, in such a way that said spreader 28 together with container 32 can be lifted by means of said cable hoisting means 23.
- the cabin 33 is rotated over about 180°, in such a way that the operator gets the required view of the spreader 27 positioned on the shore of facing end of the trolley structure 14.
- the operator is able to position said spreader 27 just above the container 31 in question, and to couple said spreader 27 to said container 31.
- the other container 32 has been lifted to such a height that it cannot collide with neighbouring structures when moving the trolley structure 20 somewhat along the beam in the process of positioning the shore facing spreader 27.
- the further lifting of the other container 32 can however largely be carried out under automatic control, which means that the operator, after initiating the lifting process of said other container 32, can turn his attention towards the process of coupling the shore facing spreader 27 to the container 31 in question.
- the process of lowering the containers 31, 32 will be started.
- the operator's cabin 33 will be in such a position that the operator faces the quay, which makes that he will be able to control the lowering of the spreader 27 together with the container 31.
- the process of lowering the other spreader 28 with container 32 will be temporarily halted. This means that the operator can concentrate on placing the container 31 at the desired location on the quay 8.
- the spreader 28 is uncoupled and lifted the way. Subsequently, the cabin 33 is rotated such that the operator can view the ship facing spreader 28 with container 32. The operator can now concentrate on positioning said container 32 on the desired location. After the container 32 has been positioned in such a way, the spreader 28 is uncoupled and lifted away. Subsequently, both spreaders 27, 28 can be lifted fully under automatic control, and a new cycle of unloading two containers from the shipload 17 can be commenced.
- coupling means carried out as spreaders also other coupling means can be used such as hooks.
- the hoisting means can be connected to a head block 34 each, known per se, which head blocks 34 each comprise a number of sheaves 26 over which the several loops of the hoisting means are guided.
- the coupling means such as spreaders 27, 28 can be mounted.
Abstract
A ship to shore container crane comprises a gantry structure (1), a boom (2) supported with respect to said gantry structure (1), said boom (2) in an operating position extending between a ship facing end (6) and a shore facing end (7), trolley means (14) displaceably supported along the boom (2) in said operating position, two coupling means (27, 28), at least two cable hoisting means (22, 23) extending between the trolley means (14) and a respective coupling means (27, 28), as well as an operator's cabin (33) suspended from said trolley means (14). In a direction parallel to the boom (2), one of said cable hoisting means (22) is positioned on one side of the control cabin (33), and the other cable hoisting means (23) is positioned on the opposite side of the cabin (33).
Description
- The invention is related to a ship to shore container crane comprising a gantry structure, a boom supported with respect to said gantry structure, said boom in an operating position extending between a ship facing end and a shore facing end, trolley means movably supported along the boom in said operating position, two coupling means such as two spreaders, at least two cable hoisting means extending between the trolley means and a respective couplimg means, as well as an operator's cabin suspended from said trolley means.
- Such a crane is disclosed in World Cargo News, July 1997, . According to said publication, two separate trolleys are provided on the same boom, which trolleys can be operated independently from each other. This means that simultaneously two containers can be unloaded or loaded, resulting in shorter handling periods for load or unloading of a container ship. Although this proposal seems to be attractive, it nevertheless introduces other problems. For instance, anti-collision means should be provided so as to avoid collisions between the trolleys and the lifted containers which are being loaded/unloaded. Furthermore, this proposal introduces control problems related to the operation; in case each trolley is driven by its own driver, precautions should be taken to avoid interference of their tasks. On the other hand, operating both trolleys by one driver only seems unrealistic having regard to the fact that the independency of the trolleys may bring them in remote positions with respect to each other. Such remote positions however would forbid control by one operator only.
- The object of the invention is therefore to provide a ship to shore container crane of the type described before by means of which a reduced handling period for loading or unloading of a container ship can be obtained, and which on the other hand provides the possibility to exert the required control on said containers. This object is obtained in that, in a direction parallel to the boom, one of the cable hoisting means is positioned on one side of the control cabin, and the other cable hoisting means is positioned on the opposite side of the cabin.
- A first advantage of the crane layout according to the invention is the close proximity of the cabin, and thus of the operator or driver, with respect to the coupling means, such as spreaders, hooks etc., and containers suspended from the adjacent trolleys. This proximity offers a sufficient view of the operator on the container and spreader which are being positioned and coupled or uncoupled. In this connection, the distance between the cable hoisting means is preferably relatively small, e.g. in the order of 2-5 times the width of a container. Said width should be large enough to provide a safe distance between the operator's cabin and a lifted spreader/container, but small enough to provide the required view for the operator on both spreader/container combinations.
- In particular, this control is possible through one operator only. Such single operator control is further promoted by providing a cabin which is rotatable about an essentially vertical axis. The cabin is thus rotated towards the spreader/container being handled; subsequently the cabin can be rotated towards the other spreader/container.
- A further important advantage of this embodiment is that, under the control of one operator only, two containers can be handled quasi-simultaneously, which leads to the desired, more efficient process of loading/unloading of a ship.
- The trolley means may comprise two interconnected trolleys, each of said trolleys being provided with a respective cable hoisting means. In particular, the trolleys may be interconnected e.g through a beam structure or any other suitable connection, the cabin being suspended rotatably between the trolleys, e.g from the middle of the beam. Alternatively, the trolley means may comprise a single, unitary trolley from which the hoisting means with the cabin in between are suspended.
- The invention is moreover related to a method of handling containers by means of a ship to shore container crane comprising a gantry structure, a boom supported with respect to said gantry structure, said boom in an operating position extending between a ship facing end and a shore facing end, trolley means movably supported along the boom in said operating position, two coupling means such as spreaders and at least two cable hoisting means extending between the trolley means and a respective coupling means or spreader.
- According to the invention said method comprises the steps of:
- positioning one of said coupling means with respect to a container,
- coupling said container to said one coupling means,
- lifting said container to a height above neighbouring obstacles, such as neighbouring containers,
- after lifting said container coupled to said one coupling means, positioning the other coupling means with respect to another container,
- coupling said other container to said other coupling means,
- lifting said other container to a height at least above neighbouring obstacles, such as neighbouring containers,
- moving both lifted containers simultaneously to above a target location.
- As already indicated, two containers can be handled quasi-simultaneously. However, the phases of picking up and depositing the containers are carried out separately, so as to enable accurate positioning and coupling of the spreader onto the container. Conversely, also the process of depositing the containers is carried out separately. Between these phases however, the process of moving the containers between ship and shore is carried out simultaneously for both containers, which leads to an appreciable reduction in handling time of a shipload of containers.
- This gain in handling time is also made possible by the fact that the handling process can be carried out simultaneously both under automatic, preprogrammed control and under operator control. This can play a role for instance under the circumstance that the process of lifting one of the spreader with container is continued while the other spreader is positioned on the other container. Said step of lifting the one spreader with container can then be carried out under programmed, automatic control, while the process of positioning and coupling the other spreader and container can be carried out under operator control, thus alleviating the operator's task of handling two containers.
- With the aim of avoiding collisions between the hoisted spreaders/containers, the method according to the invention may comprise the steps of:
- lifting said coupling means or spreaders, hooks etc. with respective containers to different height levels,
- moving said coupling means with the respective containers to above or near said target location while maintaining said different height levels.
- With the aim of depositing containers, the method according to the invention may comprise the steps of:
- lowering one of the coupling means with container coupled thereto,
- positioning said one coupling means with container with respect to the target location,
- placing the container on said target location,
- disconnecting said one coupling means from the container,
- lifting said one coupling means away from the container,
- after lifting said one coupling means away, lowering the other coupling means with container coupled thereto,
- positioning said other coupling meanswith container with respect to the other target location,
- placing the container on said other target location,
- disconnecting said other coupling means from the container,
- lifting said other coupling means away from the container.
- In this connection, a time gain can be obtained by the steps of:
- lowering the coupling means with respective container simultaneously,
- continuing the step of lowering the coupling means with container to be placed first on the target location while interrupting the step of lowering of the other coupling meanswith container,
- continuing the step of lowering said other coupling means with container after the container to be placed first has been placed on the target location and the respective coupling means has been uncoupled from said container and lifted away.
The method according to the invention can preferably be carried out by means of a ship to shore container crane comprising an operator's cabin which is rotatable about an essentially vertical axis and which, in the longitudinal direction of the boom, is located between both cable hoisting means of the spreaders, comprising the step of; - rotating the cabin towards the spreader which is to be coupled to, or to be uncoupled from, the respective container.
- Thus, the operator has always the required view for handling the spreaders and containers, by rotating the cabin towards a respective spreader before positioning said spreader on a respective container. Furthermore, the cabin can be rotated towards a respective spreader with container coupled thereto before positioning said respective spreader with container with respect to the target location.
- The invention will now be described further with reference to an embodiment of the invention shown in the drawings.
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Figure 1 shows a ship to shore container crane according to the invention in side view. -
Figure 2 shows an enlarged view of the trolley means with double cable hoisting means and rotatable cabin according to the invention. -
Figure 3 shows a front view of said trolley means. - The ship to shore container crane as shown in
figure 1 comprises, in a known way, a gantry structure 1 and aboom 2 supported on said gantry structure 1.Said boom 2 comprises afixed boom part 3 as well as a rotatable pivoting boom part 4. By means of thesupport structure 5, this pivoting boom part 4 is supported. Infigure 1 , theboom 2 is shown in full lines in its operating position extending between a ship facing end 6 and a shore facing end 7. - The gantry structure 1 is supported on a
quay 8 by means ofrails 9 andwheels 10 so as to be displaceable along aship 11 moored to thequay 8. Theship 11 carries aload 17 which consists of a large number ofcontainers 18 stacked upon and next to each other in a known way. As shown in the cross-section offigure 3 , theboom 2 comprises twoboxlike girders trolley structure 14 is displaceably supported. This is obtained in a known way by means ofrails 15 mounted on saidboxlike girders wheels 16 mounted to thetrolley structure 14. - The
trolley structure 14 consists of two pairs oftrolleys beam 21. This layout can also be considered to represent a single, unitary trolley. Infigures 2 and 3 this beam is shown as a box type beam, but the construction of said beam can be of any type, such as a lattice structure. From thebeam 21, two cable hoisting means 22, 23 are suspended, each comprisingcables 24 shored over the trolley sheaves 25 andsheaves 26 which are accomodated in thehead block 34 mounted to thespreader 27. Such cable hoisting means 22, 23 are known per se, and will therefore not further be described. Furthermore, an operator'scabin 33 is suspended from thebeam 21 by means ofcolumn 29. According to the invention, saidcabin 33 is rotatable about a vertical axis through the slewingring 30. - The operation of the ship to shore container crane according the invention will now be further described. As shown in
figure 1 , thetrolley structure 14 is put in a position above thecontainer load 17 of theship 11. As thetrolley structure 14 is travelling towards the ship facing end 6 of theboom 2, thecabin 33 is rotated such that the operator is facing said ship facing end 6 as well. Thereby, the operator has the required view on thespreader 28 situated on the ship facing side of thetrolley structure 14. Saidspreader 28 is then lowered by the corresponding cable hoisting means 23, and thespreader 28 can be positioned just above thecontainer 32 in question under operator control. Subsequently, thespreader 28 is coupled in a known way to said thecontainer 32, in such a way that saidspreader 28 together withcontainer 32 can be lifted by means of said cable hoisting means 23. - Subsequently, the
cabin 33 is rotated over about 180°, in such a way that the operator gets the required view of thespreader 27 positioned on the shore of facing end of thetrolley structure 14. Next, the operator is able to position saidspreader 27 just above thecontainer 31 in question, and to couple saidspreader 27 to saidcontainer 31. In this respect, it is important to note that theother container 32 has been lifted to such a height that it cannot collide with neighbouring structures when moving thetrolley structure 20 somewhat along the beam in the process of positioning theshore facing spreader 27. The further lifting of theother container 32 can however largely be carried out under automatic control, which means that the operator, after initiating the lifting process of saidother container 32, can turn his attention towards the process of coupling theshore facing spreader 27 to thecontainer 31 in question. - After coupling the
shore facing spreader 27 to thecontainer 31, they can be lifted by means of the cable hoisting means 22, and subsequently bothcontainers boom 2 towards theshore 8. With the aim of avoiding possible collisions between thecontainers boom 2, they are preferably lifted to different heights in such a way that any swinging motion of thesecontainers - As soon as the
trolley structure 14 approaches thequay 8, the process of lowering thecontainers cabin 33 will be in such a position that the operator faces the quay, which makes that he will be able to control the lowering of thespreader 27 together with thecontainer 31. During this positioning of thespreader 27 withcontainer 31, the process of lowering theother spreader 28 withcontainer 32 will be temporarily halted. This means that the operator can concentrate on placing thecontainer 31 at the desired location on thequay 8. - After said
container 31 has been placed in the proper position at the target location, thespreader 28 is uncoupled and lifted the way. Subsequently, thecabin 33 is rotated such that the operator can view theship facing spreader 28 withcontainer 32. The operator can now concentrate on positioning saidcontainer 32 on the desired location. After thecontainer 32 has been positioned in such a way, thespreader 28 is uncoupled and lifted away. Subsequently, bothspreaders shipload 17 can be commenced. - It will be clear that the process of loading a ship with containers will take place in the opposite order, however with the same advantage of handling two containers by one operator within a relatively short cycle time. Furthermore it should be noted that the order of handling the
containers shore facing spreader 27 firstly, in which case the cabin is firstly oriented towards the shore facing end 7. Also, it is possible to firstly deposit thecontainer 32 coupled to theship facing spreader 28, in which case thecabin 33 is firstly rotated towards the ship facing end 6. - Although in the description before reference is made to coupling means carried out as spreaders, also other coupling means can be used such as hooks. Furthermore, as addressed before the hoisting means can be connected to a
head block 34 each, known per se, which head blocks 34 each comprise a number ofsheaves 26 over which the several loops of the hoisting means are guided. Onto said head blocks 34, the coupling means such asspreaders
Claims (21)
- Ship to shore container crane comprising a gantry structure (1), a boom (2) supported with respect to said gantry structure (1), said boom (2) in an operating position extending between a ship facing end (6) and a shore facing end (7), trolley means (14) displaceably supported along the boom (2) in said operating position, two coupling means (27, 28), at least two cable hoisting means (22, 23) extending between the trolley means (14) and a respective coupling means (27, 28), as well as an operator's cabin (33) suspended from said trolley means (14), characterised in that, in a direction parallel to the boom (2), one of said cable hoisting means (22) is positioned on one side of the control cabin (33), and the other cable hoisting means (23) is positioned on the opposite side of the cabin (33).
- Crane according to claim 1, wherein the cabin (33) is rotatable about an essentially vertical axis.
- Crane according to any of the preceding claims, wherein the cabin (33) is rotatable back and forth over at least 180 degrees.
- Crane according to any of the preceding claims, wherein the cabin (33) is rotable over at least 360 degrees.
- Crane according to any of the preceding claims, wherein the cabin contains a rotatable seat.
- Crane according to any of the preceding claims, wherein the trolley means comprise a single, unitary trolley.
- Crane according to any of claims 1-5, wherein the trolley means (14) comprise two interconnected trolleys (19, 20), each of said trolleys (19, 20) being provided with a respective cable hoisting means (22,23).
- Crane according to claim 4, wherein the trolleys means (19, 20) comprise a beam structure (21), the cabin (33) being suspended rotatably from said beam structure (21).
- Crane according to claim 7 and 8, wherein the two trolleys (19, 20) are interconnected through the beam structure (21).
- Crane according to any of the preceding claims, wherein the distance between the cable hoisting means is equal to 2-5 times the width of a container.
- Crane according to any of the preceding claims, wherein each hoisting means (22, 23) comprises a respective head block (34).
- Crane according to any of the preceding claims, wherein each cable hoisting means (22, 23) extends between the trolley means (14) and a respective spreader (27, 28).
- Method of handling containers by means of a ship to shore gantry crane comprising a gantry structure (1), a boom (2) supported with respect to said gantry structure (1), said boom (2) in an operating position extending between a ship facing end (6) and a shore facing end (7), trolley means (14) displaceably supported along the boom (2) in said operating position, two coupling means, such as two spreaders (27, 28) and at least two cable hoisting means (22, 23) extending between the trolley means (14) and a respective spreader (27, 28), said method comprising the steps of:- positioning one (28) of said coupling means with respect to a container (32),- coupling said container (32) to said one coupling means (28),- lifting said container (32) to a height above neigbouring obstacles, such as neighbouring containers (18),- after lifting said container (32) coupled to said one coupling means (28), positioning the other coupling means (27) with respect to another container (31),- coupling said other container (31) to said other coupling means (27),- lifting said other container (31) to a height at least above neigbouring obstacles, such as neighbouring containers (18),- moving both lifted containers (31, 32) simultaneously towards a respective target location.
- Method according to claim 13, comprising the step of:- continuing the lifting of said one coupling means (28) with container (32) while positioning the other coupling means (27) on said other container (31) and/or lifting the other coupling means (27) with the other container (31).
- Method according to claim 13 or 14, comprising the steps of:- lifting said coupling means (27, 28) with respective containers (31, 32) to different height levels,- moving said coupling means (27, 28) with the respective containers (31, 32) to above or near said target location while maintaining said different height levels.
- Method according to any of claims 13-15 of handling containers (31, 32) by means of a ship to shore container crane comprising an operator's cabin (33) which is rotatable about an essentially vertical axis and which, in the longitudinal direction of the boom (2), is located between both cable hoisting means (22, 23) of the coupling means (27, 28), comprising the step of:- rotating the cabin (33) towards the spreader (27, 28) which is to be coupled to, or to be uncoupled from, the respective container (31, 32).
- Method according to claim 16, comprising the step of:- rotating the cabin (33) towards a respective coupling means before positioning said coupling means on a respective container.
- Method of handling containers by means of a ship to shore container crane comprising a gantry structure (1), a boom (2) supported with respect to said gantry structure, said boom (2) in an operating position extending between a ship facing end (6) and a shore facing end (7), trolley means (14) displaceably supported along the boom (2) in said operating position, two coupling means, such as spreaders (27, 28), two containers (31, 32), each of said containers being coupled to a respective coupling means, and at least two cable hoisting means (22, 23) extending between the trolley means and a respective coupling means, said method comprising the steps of:- lowering one of the spreaders (27) with container (31) coupled thereto,- positioning said one coupling means (27) with container (31) with respect to the target location,- placing the container (31) on said target location,- disconnecting said one coupling means (27) from the container (31),- lifting said one coupling means (27) away from the container (31),- after lifting said one coupling means (27) away, lowering the other coupling means (28) with container (32) coupled thereto,- positioning said other coupling means (28) with container (32) with respect to the other target location,- placing the container (32) on said other target location,- disconnecting said other coupling means (28) from the container (32),- lifting said other coupling means (28) away from the container (32).
- Method according to claim 18 of handling containers by means of a a ship to shore container crane comprising an operator's cabin (33) which is rotatable about an essentially vertical axis and which, in the longitudinal direction of the boom (2), is located between both cable hoisting means (22, 23) of the coupling means (27, 28), comprising the step of:- rotating the cabin (33) towards a respective coupling means with container coupled thereto before positioning said respective coupling means with container with respect to the target location.
- Method according to claim 18 or 19, comprising the step of;- moving both disconnected coupling means (27, 28) simultaneously away from the target location.
- Method according to any of claims 18-20, comprising the steps of:- lowering the coupling means (27, 28) with respective container (31,32) simultaneously,- continuing the step of lowering the coupling means (27) with container (31) to be placed first on the target location while interrupting the step of lowering of the other coupling means (28) with container (32),- continuing the step of lowering said other coupling means (28) with container (32) after the container (31) to be placed first has been placed on the target location and the respective coupling means (27) has been uncoupled from said container (31) and lifted away.
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EP06125258A EP1927569A1 (en) | 2006-12-01 | 2006-12-01 | Ship to shore container crane and method of operating such crane |
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EP06125258A EP1927569A1 (en) | 2006-12-01 | 2006-12-01 | Ship to shore container crane and method of operating such crane |
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CN105000480A (en) * | 2015-07-17 | 2015-10-28 | 润邦卡哥特科工业有限公司 | Container crane with double main trolleys |
US9381979B1 (en) | 2013-02-26 | 2016-07-05 | The United States Of America As Represented By The Secretary Of The Navy | Portable lightweight apparatus and method for transferring heavy loads |
CN107285208A (en) * | 2017-08-23 | 2017-10-24 | 上海振华重工(集团)股份有限公司 | Double main carriage bank bridges |
CN110745708A (en) * | 2019-11-28 | 2020-02-04 | 江苏焱森电力安装工程有限公司 | Lifting device for mounting power equipment for power engineering |
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DE19713489A1 (en) * | 1997-03-19 | 1998-09-24 | Ke Kranbau Eberswalde Gmbh | Travelling bridge for transfer of goods |
US20060182526A1 (en) * | 2003-03-22 | 2006-08-17 | Otto Weis | Multi-trolley container crane |
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US5515982A (en) * | 1994-04-11 | 1996-05-14 | Paceco Corp. | Telescoping shuttle for a cargo container handling crane |
DE19713489A1 (en) * | 1997-03-19 | 1998-09-24 | Ke Kranbau Eberswalde Gmbh | Travelling bridge for transfer of goods |
US20060182526A1 (en) * | 2003-03-22 | 2006-08-17 | Otto Weis | Multi-trolley container crane |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102616666A (en) * | 2011-01-30 | 2012-08-01 | 交通运输部水运科学研究所 | Semi-traction dolly type light-weight portal crane |
US9381979B1 (en) | 2013-02-26 | 2016-07-05 | The United States Of America As Represented By The Secretary Of The Navy | Portable lightweight apparatus and method for transferring heavy loads |
US10259539B1 (en) | 2013-02-26 | 2019-04-16 | The United States Of America As Represented By The Secretary Of The Navy | Portable lightweight apparatus for transferring heavy loads |
CN105000480A (en) * | 2015-07-17 | 2015-10-28 | 润邦卡哥特科工业有限公司 | Container crane with double main trolleys |
CN107285208A (en) * | 2017-08-23 | 2017-10-24 | 上海振华重工(集团)股份有限公司 | Double main carriage bank bridges |
CN110745708A (en) * | 2019-11-28 | 2020-02-04 | 江苏焱森电力安装工程有限公司 | Lifting device for mounting power equipment for power engineering |
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