JPH0768034B2 - Container transfer equipment for container ships - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a container crane installed on a quay, when the container ship is loaded and unloaded with a container crane, it is delivered to and from the container crane. The present invention relates to a container transfer device for transferring a stored container on the deck of a container ship.

"Prior Art" Conventionally, when cargo handling is performed between a quay and a docked container ship, for example, a container crane as shown in Fig. 4 is used. This container crane 30 is permanently installed on the quay 3, and a horizontal girder 17 is supported by a support leg 16 movable along the quay 3 toward the sea side, and at the tip of the girder 17. The boom 18 is vertically rotatably connected so as to extend its length, and the trolley 19 that moves along the girder 17 and the boom 18 is provided with the container lifting device 20. Is provided with a relay stand 31 for receiving the container 8 and an auxiliary girder 32 horizontally arranged above the relay stand 31.
32, container 8 between relay stand 31 and chassis 24 on land
An auxiliary trolley 33 for transferring the above is movably supported.

Then, with the boom 18 of the container crane 30 being placed above the container ship 5 docked as shown in FIG. 4, the trolley 19 is provided along the boom 18 and the girder 17.
While reciprocating, the containers 8 on the container ship 5 are lifted one by one and transferred to the relay stand 31, and sequentially transferred from the relay stand 31 to the chassis 24 by the auxiliary trolley 33.

[Problems to be Solved by the Invention] However, with such a technique, as can be seen from FIG. 4, the auxiliary trolley 33 reciprocates a short distance between the relay stand 31 and the chassis 24. On the other hand, the trolley 19 moving along the girder 17 and the boom 18 reciprocates over a long distance between the quay 3 and the side end of the container ship 5, so that the trolley 19 is mounted on the container ship 5. The time from when the container 8 is positioned above the container 8 to when the lifted container 8 is transferred to the relay stand 31 and returned to the container ship 5 again and positioned above the container 8 to be transferred next (hereinafter, The time required for one round trip is called cycle time)
However, it becomes longer than the cycle time of the auxiliary trolley 33, so the working time as a whole is determined by the cycle time of this trolley 19, and it is easy to prolong the working time and the cycle time of both trolleys 19 and 33. The difference causes a long waiting time in the auxiliary trolley 33. in this case,
It is possible to increase the traveling speed of the trolley 19, but there is a limit in terms of design. In addition, this type of container crane is generally designed so that the length of the boom 18 is the maximum width of a so-called Panamax type container ship, and the boom 18 is on the side of a container ship with a wider width. There is also a problem that the efficiency of the work is significantly deteriorated because it does not reach the end.

The present invention has been made in view of the above circumstances, shortens the container transfer distance handled by the container crane, shortens the cycle time thereof, and improves the efficiency of the work as a whole to shorten the cargo handling time, and An object of the present invention is to provide a container transfer device that does not impair the efficiency of cargo handling even in the case of a container ship with a wide hull.

“Means for Solving Problems” The present invention relates to a container transfer device for transferring a container transferred between a container crane and a container crane on a deck of a container ship so as to take charge of a part of cargo handling work. A gate-shaped frame that is arranged across one of the hatches on the partition wall of the container ship and travels in the width direction of the container ship, and a hoist mounted on a horizontal mount above the gate-shaped frame, Between the spreader, which is arranged in a suspended state on the hoist and holds the container, and which is mounted on the partition wall such that the position inside the gate frame can travel in the width direction of the container ship and between the container crane and the spreader. It employs a technology that includes a cradle that delivers containers.

[Operation] The transfer device of the present invention travels back and forth along the width direction of the container ship while straddling the hatch on the deck of the container ship and suspending the container with the spreader, to the container storage and the container crane. Transfer to and from the delivery location.

In other words, with the portal frame and spreader aligned with the upper position of the container storage on the deck or hold of the container ship, hold the container with the spreader and perform the vertical movement between the upper position of the deck and the container storage. In the case of a cradle, the transfer of containers to and from the spreader at the lower position of the spreader, the transfer of containers to and from the container crane at the berth side of the container ship, and the container ship between them In the container crane, the cargo is handled horizontally with the horizontal movement of the container, and in the case of the container crane, the cargo is handed between the cradle and the pier at the berth side of the container ship.

In this way, the transfer device bears the container transfer work on the container ship, thereby shortening the container transfer distance by the container crane and bringing the cycle time of the container crane closer to the cycle time of the transfer device itself on the container ship. , It is possible to shorten the waiting time for relaying both parties.

[Embodiment] An embodiment of the container transfer device in the container ship of the present invention will be described below with reference to FIGS. 1 to 3.

In the figure, reference numeral 1 is a transfer apparatus according to the present invention, reference numeral 2 is a container crane arranged on the quay 3, and reference numeral 4 is an auxiliary for relaying between the transfer apparatus 1 and the container crane 2 in one embodiment. Each of the relay devices used in FIG.

This transfer device 1 has a gate-shaped frame 9 that is larger than the container 8 loaded on the deck 7 across one of the hatches 6 of the container ship 5. That is, in the gate-shaped frame 9, two legs 9a, which are higher than the loading height of the container 8 on the deck 7, are arranged on the left and right with a space larger than that of the hatch 9 of the container ship 5, and leg
A horizontal mount 9b is integrally provided on the upper end of 9a,
Wheels 10 are arranged at the lower end of 9a so that they can travel horizontally along the arrangement direction of the two legs 9a, and are driven by a drive mechanism 11. The hoisting machine 12 is provided in a fixed state on the horizontal frame 9b of the portal frame 9, and the spreader 13 for holding the container 8 is provided in the hoisting machine 12 in a grasping state. Further, in the container ship 5, as shown in FIG. 3, rails 15 are laid along the width direction of the container ship 5 on the deck 7 of the partition wall 14 on both sides of the hatch 6, and on the rails 15. The transfer device 1 is mounted so as to straddle the hatch 6.

In addition, to supplement the description of the container crane 2 and the relay device 4, in the illustrated example, the container crane 2 has a support leg 16 movable along the quay 3 and a horizontal girder 17 on the sea side. The girder 17 and the boom are connected to the tip of the girder 17 so as to be vertically rotatable so as to extend its length.
A trolley 19 that moves along 18 is provided with a suspender 20 that holds the container 8. Of course, it is also possible to use the container crane 30 having the relay stand 31 and the auxiliary trolley 33 as shown in FIG.

On the other hand, the relay device 4 is a leg of the portal frame 9 of the transfer device 1.
Wheels 22 on container cradle 21 that is slightly narrower than the 9a spacing
Is installed so as to straddle the hatch 6 on the rail 23 laid inside the rail 15 for the transfer device 1, and passes through between the legs 9a of the gate-shaped frame 9 to hold the container. It can move in the width direction of the ship 5. The pedestal 21 may be configured so that its height can be changed and a plurality of containers 8 can be placed as needed.

Next, a case where the container 8 on the deck 7 is loaded using the transfer device 1 and the like configured as described above will be described.

As shown in FIG. 3, the boom 18 of the container crane 2 is arranged above the container ship 5 which is docked, and the transfer device 1 and the relay device 4 are mounted on the container ship 5 so that the relay device 4 can be installed. For example, it is arranged at the side end (left end in FIG. 3) of the container ship 5 on the quay 3 side. Then, the transfer device 1 straddles the container 8 loaded on the deck 7 and suspends the deck 7 or one container 8 in the hold by the spreader 13, and the width direction of the container ship 5 toward the quay 3 side. To the position above the cradle 21 of the relay device 4,
After the container 8 is placed on 21, the container 8 is returned to the container storage area and the next container 8 is transferred. On the other hand, the trolley 19 of the container crane 2 suspends the container 8 on the pedestal 21 of the relay device 4 while reciprocating along the girder 17 and the boom 18, and sequentially transfers it to the chassis 24 on the quay 3. In other words, the work as a whole is divided into two on the container ship 5, and both work are performed in parallel.
The transfer device 1 bears the work of transferring the container 8 to the relay device 4 on the container ship 5. Further, in this case, the relay device 4 also causes the container 8 to be loaded or unloaded according to the loading position of the container 8 on the deck 7 or in the container yard on the deck or the position of the trolley 19 or the transfer device 1 each time the container 8 is loaded and unloaded. When the container crane 2 grips the container 8 received from the transfer device 1, the next container 8 is carried from the current position of the transfer device 1 at that time. It is moved to a position that minimizes the difference between the cycle time until it comes up and the cycle time until the empty trolley 19 returns. In addition, container 8 in one hatch 6
When the cargo handling is completed, the transfer device 1 and the relay device 4 are moved to another hatch 6 by the container crane 2.

That is, the transfer apparatus 1 takes charge of the work on the container ship 5 among the two container transfer operations, thereby shortening the container transfer distance by the container crane 2 to, for example, about half of the entire container transfer operation. Cycle time can be shortened and the container crane 2
It is possible to improve the efficiency of the work by bringing the cycle time according to (1) closer to the cycle time of the transfer device 1 itself on the container ship 2 and shortening the waiting time thereof near the relay device 4.

The transfer device 1 and the relay device 4 may be permanently installed in the container ship 5, or may be permanently installed on the quay 3 and mounted by the container crane 2 on the docked container ship 5. Good. Further, in the above description, an example in which the container 8 loaded on the container ship 5 is transferred onto the quay 3 has been shown, but it goes without saying that the container 8 can be transferred from the quay 3 to the container ship 5 by the reverse procedure.

"Effects of the Invention" As described above, the container transfer device of the present invention is designed to bear the container transfer work on the container ship. Therefore, by shortening the container transfer distance by the container crane on the quay, The cycle time can be shortened, the cycle time of the container crane can be brought close to the cycle time of the transfer device itself on the container ship, and the standby time for relaying the both can be shortened to improve work efficiency, The working time as a whole can be shortened. Further, since the container is mounted on the container ship and the container is transferred on the container ship, even in the case of a container ship having a larger hull width than the existing container crane on the quay, the container crane can be used for effective cargo handling. Can be performed without impairing work efficiency. Furthermore, since it is installed on the deck while straddling one hatch, the operations of lifting and lowering the containers are stabilized, and the effects such as the accuracy of container stacking can be improved.

[Brief description of drawings]

1 and 3 show an embodiment of the container transfer device of the present invention. FIG. 1 is a front view and FIG. 2 is a front view.
A view taken along the line II-II, FIG. 3 is a front view showing an arrangement with a container ship during cargo handling work, and FIG. 4 is a front view showing a container crane used for conventional container cargo handling work. . 1 ... Transfer device, 2 ... Container crane, 3 ... Quay, 4 ... Relay device, 5 ... Container ship, 6 ... Hatch, 7 ... Deck, 8 ... Container, 9 ... Gate type Frame, 9a ... Leg, 9b ... Horizontal frame, 10 ... Wheels, 11 ... Drive mechanism, 12 ... Winding machine, 13 ... Spreader, 14 ...
Partition walls, 15 …… rails, 16 …… support legs, 17 …… girders,
18 …… Boom, 19 …… Trolley, 20 …… Hangers, 21 …… Cradle, 22 …… Wheels, 23 …… Rail, 24 …… Chassis.

Claims (1)

[Claims] 1. When a container ship (5) docked by a container crane (2) installed on a quay (3) is loaded and unloaded with a container (8), the container crane (2) is delivered to and from the container crane. Deck for container vessels (7)
A transfer device (1) to be transferred above, which is arranged on the partition wall (14) of the hatch (6) of the container ship across one of the hatches and travels in the width direction of the container ship. (9), a hoisting machine (12) mounted on a horizontal mount (9b) above the portal frame, a spreader (13) arranged in a suspended state on the hoisting machine to hold a container, and the partition. A container, which is mounted on a wall so as to be able to travel in a width direction of the container ship at a position inside the gate-shaped frame, and is provided with a cradle (21) for transferring the container between the container crane and the spreader. Container transfer equipment for ships.