JP2003276984A - Cargo handling method and device for container - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cargo handling device for containers capable of enhancing the safety and efficiency in the cargo handling operations for containers. <P>SOLUTION: The cargo handling device to load or unload a container 14 in/from a ship 18 using a container crane 1 installed at a quay 2 is to place the container 14 once on a provisionally placing table 8. The table 8 is furnished with recesses 13a-13d to avoid interference with a coupling metal piece 12 installed on each container 14. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container handling method and apparatus, and more particularly to loading and unloading containers stacked on a ship by a container crane arranged on a quay, or loading containers on a ship. The present invention relates to a container handling method and apparatus for loading containers.

[0002]

2. Description of the Related Art In a container handling method for loading and unloading containers stacked in multiple stages on a ship by a container crane arranged on a quay, or for loading containers in multiple stages on a ship, a spreader is used to reduce the loading time. Once the container is hung on the temporary storage stand, it is transported to a predetermined place by another cargo handling device, or the container placed on the temporary storage stand is lifted by a spreader to be a ship. A method of loading and unloading multi-tiers is known.

For example, a case of unloading a multi-tiered container on a ship will be described. Normally, the multi-tiered container travels along a quay and is spread by a spreader suspended on a trolley traveling on a girder. Although it is hoisted and stacked on a trailer that travels in the container yard, it takes a long time to work if the timing of moving the trailer to a predetermined position and the timing of suspending the container deviate from each other.

For this reason, a temporary placing table is previously arranged on the quay, and the container suspended by the spreader is once placed on this temporary placing table, and the spreader performs the next container loading and unloading while the temporary placing table is carried out. When the trailer arrives, the container placed on is loaded on the trailer by another cargo handling device.

By the way, in recent years, the size of ships for container transportation has been increasing, and further speeding of cargo handling work has been demanded. Therefore, it has been proposed to dispose the above-mentioned temporary stand on the container crane body. For example, a temporary stand is placed on the gantry that makes up a container crane, and a spreader that is suspended from the main trolley transfers the containers stacked in multiple stages to the temporary stand, and then suspended from the auxiliary trolley. It is known that a container placed on this temporary placing table is mounted on a trailer by a spreader (see, for example, Japanese Patent Laid-Open No. 10-
194671).

On the other hand, when the containers are stacked in multiple stages on the ship, in order to prevent the containers from being displaced due to the rocking of the ship,
It is practiced to arrange a connecting metal fitting between each container in the vertical direction.

[0007]

By the way, when loading and unloading multi-tiered containers on a ship or multi-tiered containers on a ship, it is necessary to attach or detach the connecting fittings to or from the container. Become. Conventionally, this work is performed by a worker under a suspended container, but not only is this work itself dangerous, but because the container is still suspended, there is a risk of shaking due to disturbances such as wind. There are some cases. Further, this work needs to be performed promptly because it needs to be performed during the suspension or suspension of the container.

[0008]

The present invention has been made to solve such a conventional problem, and the container handling method according to the invention of claim 1 is installed on a quay. A method of loading and unloading a container loaded on a ship by a container crane, or a container loading method for temporarily placing the container on a temporary stand when loading the container on the ship, comprising: A method of loading and unloading a container is characterized in that a connecting metal fitting is attached to and detached from a container placed on a temporary placing table.

A container handling apparatus according to a second aspect of the present invention uses a container crane installed on a quay for unloading a container loaded on a ship or when loading a container on a ship. A container handling apparatus, which is temporarily placed on a temporary placing table, wherein the temporary placing table is provided with a recess that does not interfere with a connecting metal fitting attached to the container. It is a device.

According to a third aspect of the present invention, there is provided a container handling apparatus according to the second aspect, in which a housing for the coupling fitting is provided in the vicinity of the recess provided in the temporary placing table.

According to a fourth aspect of the present invention, there is provided the container cargo handling device, wherein the concave portion is provided in the corner portion of the temporary placing table.
Alternatively, the container handling device according to the item 3 is provided.

According to a fifth aspect of the present invention, there is provided a container handling apparatus according to claim 2, wherein a guide member for measuring the positioning of the container is provided upright on the edge of the temporary placing table. is there.

According to a sixth aspect of the container handling apparatus of the present invention, the temporary placing table is arranged on the quay.
The cargo handling device for a container according to any one of 1.

A container handling apparatus according to a seventh aspect of the present invention is the container loading apparatus according to any one of the second to fifth aspects, wherein the temporary placing table is arranged on the main body of the container crane.

In the container handling method and apparatus having the above-mentioned structure, when unloading a multi-tiered container on a ship, the spreader provided on the container crane keeps the upper container with the connecting metal fittings attached to its lower surface. Then, the trolley suspending the spreader is run until the container reaches the upper part of the temporary storage table.

Thereafter, the container is hung and placed on a temporary placing table, and then the trolley is moved to move the spreader to a position where the next container is loaded. While the spreader transfers the next container to the temporary placing table, the connecting metal fittings are manually removed from the lower surface of the container, and then the container is mounted on the trolley by another cargo handling device. Of course, when the containers are stacked in multiple layers on the ship, the reverse operation of the above operation is performed.

Therefore, the work of removing and attaching the connecting fittings under the suspended and unstable container is eliminated, so that the work safety and the cargo handling efficiency can be improved.

At this time, the connecting metal fitting projecting on the lower surface of the container by forming the concave portion in the corner portion of the temporary placing table is inserted into the concave portion provided in this corner portion, and the load of the container is temporarily set. Can be received on the entire surface of the table. Therefore, it is possible to prevent damage to the container, the connecting fitting, and the temporary placing table, and it is possible to easily remove the connecting fitting from the container.

By disposing the guide member at the corner portion of the temporary placing table of the container, it is possible to facilitate the positioning when the container is placed on the temporary placing table and improve the cargo handling efficiency.

Further, it is preferable to provide a storage room for the connecting metal fittings at the corner portion of the temporary placing table of the container. In this case, it is easy to store the connecting metal fittings removed by the temporary placing table, and it is possible to easily attach the connecting metal fittings to the container.

Further, it is preferable to provide an automatic attachment / detachment device for connecting metal fittings at the corners of the temporary placing table of this container. In this case, the safety and cargo handling efficiency of attaching or removing the connecting metal fittings to / from the container are further improved. Can be improved.

[0022]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic side view of a container loading / unloading apparatus for carrying out the container loading / unloading method according to the present invention. 1 is a set of rails 3 laid along a quay 2.
It is a container crane that travels on a and 3b. The container crane 1 supports a girder 5 with front legs 4a and rear legs 4b, and includes a trolley 6 traveling along the girder 5 and a spreader 7 suspended from the trolley 6.

Reference numeral 8 denotes a temporary stand placed on the quay 2, and the temporary stand 8 is composed of a support leg 9 and a receiving stand 10 as shown in FIGS. The corner portions 11a to 11d of the receiving table 10 that constitutes the temporary placing table 8
In the recesses 13a to which the connecting fittings 12 described later can be inserted.
13d is provided. Further, the recesses 13a to 13
Guide members (flippers) 15a to 15d for positioning the container 14 are arranged in the vicinity of the respective d, and in the vicinity of the respective concave portions 13a to 13d,
That is, storage chambers 16a to 16d for storing the connection fittings 12a detached from the container 14 are arranged below the storage chambers 16a to 16d, respectively.

As the connecting metal fitting 12, a method of holding the upper container and loading and unloading is mainly used, and a metal fitting suitable for this work is used. For example, a wide variety of connecting fittings have been devised, such as one that allows the upper and lower locks to be operated independently, and one in which the upper and lower fittings are out of phase by 90 degrees and finally fixed at the 45-degree position. In this embodiment, an example of a connecting fitting that allows the upper and lower locks to be independently operated.

Now, as shown in FIG. 1, a case of loading and unloading the containers 14 stacked in multiple stages on the ship 18 via the connecting fittings 12 (not shown) will be described. The trolley 6 along the girder 5 will be described. Is run, and the spreader 7 hung on this is hung on the container 14. Then, a twist lock (not shown) is operated to engage the uppermost container 14 with the spreader 7.

At this time, the connecting fitting 12 for connecting the uppermost container 14 and the container 14 immediately below the uppermost container 14 releases only the lower lock connected to the lower container 14, and the upper part is attached to the lower surface of the upper container 14. Put the lock connected. Then, after the spreader 7 of the container crane 1 is lifted, the trolley 6 is caused to travel, and the container 14 is placed on the temporary placing table 8 arranged on the quay 2.

In this way, when the container 14 is placed on the temporary placing table 8, the container crane 1 hoists the spreader 7, and the lower container 14 (in this case, the upper container 14). Move to loading and unloading.

In the meantime, the connecting metal fitting 12 (see FIG. 3) attached to the lower surface of the container 14 on the temporary table 8 is manually removed, and the removed connecting metal fitting 12 is stored in the storage chamber 16.
It is stored in a to 16d and mounted on the trailer 19 by a cargo handling device (not shown).

FIG. 4 is a schematic side view of another embodiment of the container loading / unloading apparatus for carrying out the container loading / unloading method according to the present invention, in which a lower carder 20 constituting the main body of the container crane 1a is mounted. The temporary loading platform 8a and the auxiliary trolley 21 as another cargo handling device are provided to configure a cargo handling device for the container. As shown in the first embodiment, the temporary placing table 8a is provided with a concave portion in the corner portion of the receiving table and, if necessary, a storage chamber for the guide member and the connecting fitting, and is fixed on the girder 20. Alternatively, a traveling roller is provided to move on the girder 20.

According to the container handling apparatus having such a structure, the trolley 6 is caused to travel and the container 14 is suspended by the spreader 7 and placed on the temporary placing table 8a. And
After removing the unillustrated connecting fitting 12, the auxiliary trolley 2
1 is run and the container 14 is placed on the trailer 19 by the spreader 7a.

FIG. 5 is a schematic side view of still another embodiment of the container loading / unloading apparatus for carrying out the container loading / unloading method according to the present invention, in which the girder 5 constituting the main body of the container crane 1b includes: Traverser 2 with trolley 6
2 and an auxiliary trolley 21a as another cargo handling device are provided, and a temporary placing table 8b is arranged in the traverser 22. As shown in the above-described first and second embodiments, the temporary placing table 8b is also provided with a recess in the corner of the receiving table and, if necessary, a storage chamber for the guide member and the connecting fitting.

In the container handling apparatus having such a structure, the trolley 6 is run and the container 14 lifted by the spreader 7 is placed on the temporary placing table 8b provided in the traverser 22. And traverser 2
While the vehicle 2 is traveling, the connecting fitting 12 is removed, and the container 14 on the temporary placing table 8b is placed on the trailer 19 by the spreader 7b suspended on the auxiliary trolley 21a.

In the above embodiment, the case of loading and unloading the containers 14 stacked on the vessel 18 has been described.
On the contrary, when the containers 14 are stacked on the ship 18 in multiple stages, the reverse operation of the above operation may be performed.

[0035]

As described above, according to the container loading and unloading method and device of the present invention, the containers can be loaded and unloaded on a ship in multiple stages via connecting fittings.
Alternatively, when containers are stacked on a ship in multiple stages via connecting metal fittings, the connecting metal fittings arranged between the upper and lower containers may be mounted or removed on the lower surface after placing the upper container on the temporary stand. Therefore, the safety of the work and the cargo handling efficiency can be improved.

[Brief description of drawings]

FIG. 1 is a schematic side view of a container handling apparatus for carrying out the container handling method according to the present invention.

FIG. 2 is a perspective view of a temporary holder.

FIG. 3 is a view on arrow AA of FIG.

FIG. 4 is a schematic side view showing another embodiment of the container loading / unloading apparatus for carrying out the container loading / unloading method according to the present invention.

FIG. 5 is a schematic side view showing still another embodiment of the container loading / unloading apparatus for carrying out the container loading / unloading method according to the present invention.

[Explanation of symbols]

1 container crane 2 quay 3a, 3b rail 4a, 4b legs 5 girder 6 Trolley 7 spreader 8 Temporary stand 9 Support legs 10 cradle 11a-11d corner part 12 Connecting bracket 13a to 13d Recess 14 containers 15a to 15d guide member 16a-16d storage room 18 ships 19 trailer 20 girder 21 Auxiliary trolley 22 Traverser

Continued front page    (72) Inventor Shinya Kasuga             Mitsui Shipbuilding, 3-1-1 Tamama, Tamano City, Okayama Prefecture             Tamano Works Co., Ltd. (72) Inventor Muneshi Sato             Mitsui Shipbuilding, 3-1-1 Tamama, Tamano City, Okayama Prefecture             Tamano Works Co., Ltd.

Claims (7)

[Claims] 1. When a container crane installed on a pier unloads a container loaded on a ship or when a container is loaded on a ship, the container is temporarily placed on a temporary stand. A method of loading and unloading a container, wherein a connecting fitting is attached to and detached from the container placed on the temporary placing table. 2. The container is temporarily placed on a temporary stand when loading or unloading a container loaded on a ship by a container crane installed on a quay or when loading a container on a ship. A container handling apparatus, wherein the temporary placing table is provided with a recess that does not interfere with a connecting fitting attached to the container. 3. The container loading / unloading device according to claim 2, wherein a storage room for the connecting metal fitting is provided in the vicinity of the recess provided in the temporary placing table. 4. The container loading / unloading device according to claim 2, wherein the recess is provided at a corner of the temporary placing table. 5. The container loading / unloading device according to claim 2, wherein a guide member for positioning the container is provided upright on the edge of the temporary placing table. 6. The container loading / unloading device according to claim 2, wherein the temporary placing table is arranged on the quay. 7. The container loading / unloading device according to claim 2, wherein the temporary placing table is arranged on the main body of the container crane.