JPS6312593A - Container shifter - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] "Industrial Application Field" The present invention relates to unloading from a docked container ship to a quay,
It also relates to a newly developed container transfer device to improve the efficiency of loading cargo from a quay to a container ship.

``Prior Art'' Conventionally, container cranes have been used to unload and load containers between a quay and a container ship that has docked.

FIG. 4 shows a conventional example, in which reference numeral I is a container crane, 2 is a container ship, and 3 is a container loaded on the container ship 2.

The container crane I is permanently installed on the quay 4, and a girder 6 is horizontally supported by the frame body 5 toward the sea side, and the length can be extended at the tip of the girder 6. In this way, the booms 7 are connected so as to be movable up and down, and the spreader 9, which is a container hoist, is wrapped around the trolley 8 that moves along the girder 6 and the boom 7. It is provided. In the frame body 5, the tips of the legs 11 spaced apart from each other at a predetermined interval rest on guide rails 12 laid along the quay 4, and the guide rails 12 support the container ship 2 in the longitudinal direction of the hull of the container ship 2. It is possible to move to. The frame body 5 also includes a relay stand 14 on which the container 3 is temporarily placed, and an auxiliary car 1 horizontally arranged on one side of the relay stand I4.
5, and the auxiliary girder 15 is provided with an auxiliary trolley 17 that is equipped with a container hanger 16 and can run along the auxiliary cark 15.

The cargo handling operation using the container crane 1 as described above is explained as follows in the case of unloading as Example 1.

First, as shown in Figure 4, container ship 2 has arrived at the berth.
Second, the boom 7 is extended, and then the trolley 8 is moved back and forth along the girder 6 and the boom 7,
The containers 3 loaded on the container ship 2 are sequentially transferred to the transfer stand 14.

Then, the containers 3 carried onto the transfer stand] 4 are sequentially moved over the quay 4 by the container hoist 16 of the auxiliary trolley 17 until the trolley 8 brings the next container 3. 8 and transported to a desired location by this Nyaso 18.

"Problems to be solved by the invention" By the way, in the above-mentioned container crane I,
As can be seen from FIG. 4, the transport distance of the container 3 by the auxiliary 1 to the trolley 17 is much smaller than the transport distance of the trolley 8, and therefore the time required to unload one container 3 is 1. After the opening 8 is located on one side of a given container 3, the container 3 is moved to the relay stand 1.
The time it takes for the container 3 to be moved to the trolley 8 and then returned to the ``-'' (hereinafter referred to as cycle time) to be unloaded again. It is necessary to shorten the time.

One possible way to shorten this cycle time is to increase the running speed of the trolley 8 and the lifting speed of the spreader 9 in the container crane 1.
With such a method, it is difficult to significantly shorten the design from "2nd class", and although it is still possible to install a new container crane 1, when using an existing container crane 1, significant modification is required. Virtually impossible.

In addition, this type of container crane 1 is generally designed so that the length of its boom 7 is the maximum width of a so-called Panamax type ship. Since the tip cannot reach the side edge of the hull, the efficiency of the work is extremely poor.In such a case, the method of increasing the traveling speed of the trolley 8 or the traveling speed of the spreader 9 described above has no effect. I can't get over it.

This invention was made in view of the above-mentioned circumstances, and even when using an existing container crane or in the case of a ship with a very wide hull, it is possible to effectively utilize the trolley cycle time of the container crane. It is an object of the present invention to provide a container transfer device that can significantly reduce the time and therefore the working time and efficiency of container cargo handling.

A container transfer device according to the present invention is installed in a container guide installed on the deck of a container ship and used in combination with a container crane installed on a quay. The main body frame has a height dimension capable of accommodating containers, and is installed on a container guide erected on a container ship and can run in the width direction of the ship, and a two-part frame of this main body frame. The spreader is equipped with a spreader that is movably lifted and lowered by a hoisting device to suspend the container, and a relay container holder that is arranged so as to be movable horizontally so as to open and close the lower part of the main body frame. It has become.

"Operation" The container transfer device according to the present invention is used by being installed on a container guide erected on the deck of a berthed container ship, and is used in cooperation with a container crane provided on the quay side. Carry out a series of cargo handling tasks.

The main body frame of this container transfer device is installed via a rail, etc. at the upper end of a container guide erected on the deck, so that the spreader can go in and out of the container loading area. It is possible to travel in the width direction of the hull using a traveling means.

This equipment allows container cargo handling to be carried out from the container ship to the quay.
Taking the case of unloading onto the second chassis as an example, the explanation is as follows.

First, as shown in FIG. 3, the main body frame is moved to three sides of the container to be unloaded first, and the spreader is positioned directly above the container to be unloaded.

Then, the relay container receiver 'J stand is moved out from below the spreader, leaving the lower part of the main body frame open.

Then, the spreader is lowered to grasp the containers loaded in the container ship as shown in FIG. Next, install the spreader as shown in Figure 1.
- Raise the spreader and pull the container. When the lower end of the container reaches a position that is slightly higher than the relay container holder, stop raising the spreader and place the relay container holder below the spreader. to close the bottom of the main body frame. Then, the spreader is lowered to place the lifted container on the relay cradle, and then the grip by the spreader is released, and the relay container cradle is moved out of the main body frame.

Next, as shown in Fig. 3, the spreader suspended on the trolley of the container crane is lowered, and the container placed on the relay cradle is lifted up.
In the following, the container crane "2" trolley runs and the container is lowered onto the quay "2 chassis in the same manner as in the past. During this time, the container transfer device moves the second container from inside the vessel by the same operation as described above. Take it out.

Furthermore, the main body frame is moved toward the quay so that it can meet the trolley of the container crane returning after lowering the first container onto the chassis at an earlier stage. The location where the container crane's trolley meets the container transfer device is the second point on land, the next location of the container to be loaded by the container transfer device, and the location of the trolley and container transfer device at the moment. The optimum position that eliminates waiting time is calculated from the position and the like.

Then, at the point where they meet, the container crane trolley and the container transfer device stop running, and the container is transferred between them.The container transfer device takes out the third container, and the container crane takes out the second container. ”I go to drop him off. Repeat the same steps below.

When cargo handling is carried out as described above, for the second and subsequent containers, the travel distance of the container crane's second trolley is reduced by the distance that the container transfer device travels and approaches the quay; This will significantly shorten the cycle time of the trolley on the container crane, making it possible to significantly reduce container handling time and efficiency.

Furthermore, if such a container transfer device is used, even in the case of a ship whose hull width exceeds the maximum width of the Panamax type, the container transfer device can be used to travel within the range that the container crane cannot reach. Even in the case of a ship with a very wide hull, the container transfer device can be effectively utilized, and the work and efficiency of container cargo handling can be significantly reduced.

Embodiment FIGS. 1 to 3 show an embodiment of a container transfer device according to the present invention.

Reference numeral 20 in these figures is a container transfer device, and parts common to conventional container cranes, container ships, etc. are given the same numbers to simplify the explanation.

As shown in FIG. 1, this container transfer device 20 has a height dimension capable of accommodating the containers 3, and is arranged on a container guide G that is erected on the deck of the container ship 2. A main body frame 21 that can run in the width direction of the hull;
A hoisting device 22 attached to the upper frame 21a of the main body frame 21, a spray bar 23 which is held movably up and down by the hoisting device 22 and hangs the container 3, and a lower part of the main body frame 21 that opens and closes. Relay container pedestal 24 arranged so that it can move forward and backward in the horizontal direction
It is configured with the following.

The above-mentioned container kite G is a frame body installed on the deck 2a of the container ship 2 in order to save the manpower required for lashing.
As shown in FIGS. 1 and 2, gaps C between the containers 3 loaded on the deck 2a are also provided. Further, on the upper frame Gl of the container guide G, a rail 25 that serves as a travel path for the container transfer device 20 is provided extending along the hull width direction.

The main body frame 21 is provided with running wheels 21c at the lower ends of legs 21b located at both ends of the upper frame 21a, and the running wheels 2]c are set on the rails 25 as shown in the figure. The running wheels 21 are driven by a drive device.
When c is driven, it can run along the rail 25 from one end of the ship to the other, and as a result, the quay 4
It is possible to run in the same direction as the trolley 8 directly under the trolley 8 of the container crane ■ installed on the side. The main body frame 21 or the container transfer device 20 itself is set onto the container guide G by the container crane I on the quay side.
It is carried out by

The relay container pedestal 24 is a lower frame 2I that extends horizontally from the lower part of the legs 21b of the main body frame 21.
It is installed on d.

A rail 27 is installed on the aforementioned lower frame 21dl along the width direction of the hull, and on the other hand, running wheels 28 that ride on the rail 27 are installed on the relay container holder 24. The relay container cradle 24 is made movable in the width direction of the hull by a drive device (not shown), and when it moves outward, the lower part of the main body frame 21 is opened and the container 3 can be inserted into the main body frame 21. , and when it advances inward, the lower part of the main body frame 21 is closed to support the lifted container 3.Then, as this relay container holder (pull stand 24) moves outward, the second
As shown in the figure, the container 3 received within the main body frame 21 is carried out of the main body frame 21.

The drive device for driving the body frame 21 described above is controlled by a control device (not shown).

This control device determines the location of the container 18 on land, and then the location of the container 3 to be loaded by the container transfer device 20.
location, current location of trolley 8 and container transfer device 20
and a calculation device that receives signals from these position detection devices and calculates the moving distance of the main body frame 21 so that the cycle time of the trolley 8 is minimized. The control device automatically adjusts the position where the container transfer device 20 and the trolley 8 meet.

The container transfer device 20 as described above is installed on the container guide G of the berthed container ship 2 by the container crane 1 or the like provided on the quay 4 side, and is operated in a series of manners in cooperation with the container crane 1. Cargo handling.

Container cargo handling by this device 20 will be explained below, taking as an example a case where the container is unloaded from the container ship 2 onto the chassis 18 on the quay 4.

First, as shown in FIG. 3, move the main body frame 21 to one side of the container 3 to be unloaded first, and
3 is located directly above the container 3 to be unloaded. Then, the relay container holder 24 is moved out from below the spreader 23, leaving the lower part of the main body frame 21 open. Then, the spreader 23 is lowered and the third
As shown in the figure, a container 3 loaded in a container ship 2 is grasped.

Next, raise the spreader 23 to pull up the container 3 as shown in FIG. Then, the relay container holder 24 is advanced below the spreader 23 to close the lower part of the main body frame 21. Next, the spreader 23 is lowered to place the lifted container 3 on the relay container holder 24 , and then the grip by the spreader 23 is released, and the relay container holder 24 is placed on the main body frame 21 . Exit outside.

Next, as shown in FIG. 3, the spreader 9 suspended from the trolley 8 of the container crane 1 is lowered, and the container 3 placed on the relay cradle 24 is lowered.
The trolley 8 on the container crane I is run as before, and the chassis 18 on the quay 4 is pulled up.
During this time, the container transfer device 20 takes out the second container 3 from the hull by the same operation as described above. Furthermore, the main body frame 21 is run toward the quay 4 side so that the first container 3 can be lowered onto the shear 18 and meet the trolley 8 of the container crane 1 returning earlier. The location where the trolley 8 of the container crane 1 meets the container transfer device 20 is the location of the noyarn 18 on land, the location of the container 3 to be loaded by the container transfer device 20, and the current trolley. 8, the position of the container transfer device 20, etc., the optimal position that eliminates waiting time is calculated.

At the point where we met, trolley 8 of container crane 1
Then, the container transfer device 20 stops running, the container 3 is transferred between the two, and the container transfer device 20
To take out the second container 3, the container crane I goes to lower the second container 3 onto the shear 18.

Repeat the same steps below.

When cargo handling is carried out as described above, the container crane 1 is moved for the second and subsequent containers 3 by the distance that the container transfer device 20 travels and approaches the quay 4.
The travel distance of the second trolley 8 is reduced, and the cycle time of the second trolley 8 of the container crane 1 is thereby significantly shortened, making it possible to significantly shorten the working time and efficiency of container cargo handling.

Moreover, if such a container transfer device 20 is used,
Even in the case of a ship whose hull width exceeds the maximum value of the Panamax type, it is sufficient to run the container transfer device 20 in areas that the container crane I cannot reach, and even in the case of a ship with a very large hull width, The container transfer device 20 can be effectively utilized, and the work and efficiency of container cargo handling can be significantly reduced.

In the above embodiment, the container transfer device 20 runs on rails, but it may be of a trackless type that does not use rails, or a combination of a rack and pinion. You can also do it.

``Effects of the Invention'' As is clear from the explanation in 2 below, the container transfer device of the present invention has a height dimension capable of accommodating containers, and is suitable for use on container ships and container guides installed upright. A main body frame that is deployed and can travel in the width direction of the ship, a spreader that is suspended vertically by a hoisting device provided on the upper frame of the main body frame to suspend the container, and a spreader that suspends the container horizontally so as to open and close the lower part of the main body frame. It is equipped with a relay container cradle that can be moved forward and backward in any direction, and by using a container crane installed on the quay side, it can easily be placed on the container guide of a container ship that is berthed. It can be installed in A series of cargo handling operations are carried out in cooperation with the container crane. In this case, the container transfer device of the present invention is equipped with a winding device, a spreader, a relay container receiver, etc. ) By operating the platform etc. appropriately, containers can be freely transferred between any loading location on the container ship and the above-mentioned transit container receiving platform. , the container can be transported to any position along the running direction of the trolley of the container crane, and therefore the container can be transferred to and from the trolley of the container crane at any position on the running path of the trolley. Can be done.

While the container crane trolley is loading and unloading the container between the chassis on the quay, the container transfer device finishes loading and unloading the container on the ship, and then transfers the container to the quay side so that the next container can be delivered more quickly. If the container transfer device moves closer to the quay, the traveling distance of the trolley on the C3 container crane will be reduced by the distance that the container transfer device approaches the quay, and this will significantly shorten the cycle time of the trolley on the container crane. It will be possible to significantly reduce the working time and efficiency of container cargo handling.

Furthermore, if such a container transfer device is used, even in the case of a ship whose hull width exceeds the maximum width of the Panamax type, the container transfer device can be used to travel within the range that the container crane cannot reach. Even in the case of a ship with a very wide hull, the container transfer device can be effectively utilized, and the work and efficiency of container cargo handling can be significantly reduced.

[Brief explanation of the drawing]

FIG. 1 is a front view of an embodiment of the container transfer device according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is an explanatory diagram of the use of the embodiment, and FIG. It is an explanatory diagram. 2... Container ship, 2a... Deck, 3...
... Container, 4 ... Quay, 8 ... Trolley, 18 ... Chassis, 20 ... Container transfer device, G ... Container guide, 21 ...
Body frame, 21. a... Upper frame, 22...
...Hoisting device, 23...Spreader-12
4...Relay container cradle, 25...
Rail, 27...Rail, 28...Traveling wheels. Applicant Ishikawajima Harima Heavy Industries Co., Ltd. Figure 2

Claims (1)

[Claims] The main body frame has a height dimension that can accommodate containers, is placed on a container guide installed on the container ship, and can run in the width direction of the ship, and can be raised and lowered by a hoisting device installed on the upper frame of this main body frame. A container transfer device comprising: a spreader for suspending a container; and a relay container receiving stand disposed so as to be horizontally movable so as to open and close a lower part of the main body frame.