JPH0443434Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a container deck loading fitting attachment/detachment device that mechanizes the attachment/detachment of container deck loading fittings used when containers are loaded onto the deck of a container ship.

[Prior Art] Conventionally, attachment and detachment of container deck loading fittings has been done manually.

As shown in FIG. 1, when loading containers 3 onto the deck 2 of a container ship 1, it is necessary to prevent the containers 3 from collapsing due to the movement of the ship 1 or the like. Therefore, a container deck loading fitting 6 as shown in FIGS. 2 and 3 (an enlarged view of the X section in FIG. 1) is used. In Figures 2 and 3,
Holes 4a and 5a are provided in the lower corner fitting 4 on the upper container side and the upper corner fitting 5 on the lower container side, respectively.
is formed. The container deck stacking fitting 6 has an upper cone 7 and a lower cone 8 integrally formed with a base 9. Upper container 3a
When fixing the lower container 3b to the upper cone 7, the upper cone 7 is inserted into the hole 4a of the metal fitting 4, and the lower cone 8 is inserted into the hole 5a of the metal fitting 5. Here, the container deck loading fittings 6 are, for example, No. 4A.
It has a structure as shown in Figures 4B, 5A and 5B, and is usually called a twist lock. In the case of the container deck loading fittings shown in FIGS. 4A and 4B, the upper cone 7, pedestal 9, and lower cone 8 are integrally formed, and the upper cone is inserted into the hole 4a of the fitting 4. Rotate the entire container deck stacking fitting 6 to remove the container deck stacking fitting 6.
is fixed to the upper container 3a. Also, the 5th A
The container deck stacking fitting of the type shown in FIGS. 5B and 5B has a mechanism in which the upper cone 7 and the lower cone 8 rotate and lock relative to the base 9. Therefore, if the upper and lower cones 7, 8 are inserted into the holes 4a, 5a in the corner fittings 4, 5 and then rotated, the upper container 3a and the lower container 3
b are fixed.

Next, the conventional installation work of the container deck stacking fittings 6 as described above will be explained. When unloading container 3 loaded on deck 2, container 3
Since the container deck loading fittings 6 remain attached to the four corners of the lower surface of the container, it is necessary to remove the container deck loading fittings 6 before placing the container 3 on a trailer for land transport. Therefore, before a container is placed on a trailer by a container crane on the quay apron, lowering by the container crane is temporarily stopped, and the container deck loading fittings 6 are manually removed by two to four workers. After that, the container 3 was placed on the trailer.
On the other hand, when placing the container 3 on the deck 2,
Before placing the container on the deck or lower container, it is necessary to attach the container deck loading fittings 6 to the four corners of the lower surface of the container 3. Therefore, before hoisting the container from the trailer on the quay apron and loading it at a predetermined location, the container is temporarily stopped and the container deck loading fittings 6 are manually attached by two to four workers.

However, the above-mentioned removal and installation work of the container deck loading fittings is carried out on the quay apron where a large number of container cargo handling equipment is operating and running, so it is very dangerous, and the container deck loading fittings themselves are heavy ( (7 to 9 kg), it was extremely hard work.

[Purpose of the invention] The invention saves labor by mechanizing the work of attaching and removing container deck loading fittings, which is dangerous and hard work as described above, and can increase the speed of cargo handling operations and improve safety. The purpose is to provide a device for attaching and detaching container deck loading fittings.

[Structure of the invention] According to the invention, in a container stacking fitting attaching/detaching device for attaching and removing a container deck stacking fitting to and from a container, there is provided a cone pedestal for receiving the container deck stacking fitting, and a cone pedestal for placing the cone pedestal below the container. a positioning means for reliably positioning the container at a predetermined position; and an attachment/detachment means for attaching and detaching the container deck stacking fittings; A container deck comprising: an elastic means provided in the link mechanism and the extrusion mechanism; a cone rotating table provided in the cone pedestal; and an adapter disc for attaching and removing container deck stacking fittings. A stacking fitting attachment/detachment device is provided.

[Operations and Effects of the Invention] In the container deck stacking fitting attaching/detaching device of the present invention having such a configuration, the container deck stacking fitting received in the cone holder is moved between its upper cone and the bottom corner corner of the container by means of the positioning means. It is positioned so that the hole in it aligns with the hole inside. and,
The container deck loading fitting is removed from the bottom surface of the container by the attachment/detachment means. As described above, according to the present invention, the work of attaching and removing the container deck loading fittings is entirely mechanized without manual work, which greatly simplifies the work and improves safety.

[Preferred embodiment] The container deck loading fitting is of a type in which the upper cone 7 is inserted into a hole in the bottom corner fitting of the container and then the entire container deck loading fitting is rotated, as shown in FIGS. 4A and 4B. If it is a container, it is provided with an adapter disc having a hole corresponding to the shape of the lower cone and restraints on both sides of the hole, and the container deck loading fittings are attached by rotating the adapter disc, It is preferable to remove it.

In addition, the container deck loading fittings are shown in Figures 5A and 5B.
As shown in the figure, if the cone is inserted into the hole in the metal fitting at the bottom corner of the container and then rotated by the handle of the container deck loading fitting, the cone is inserted into the hole in the center hole and on both sides. an adapter disc having a retainer and a circumferentially extending slit;
Rather than rotating the adapter disc, it is preferable to install and remove the container deck stacker by moving the handle of the container deck stacker along the slit using a lever.

Here, it is preferable that all of the above-mentioned members or mechanisms be hydraulically driven (the hydraulic drive may be controlled manually, or may be fully automatically controlled by an electronic circuit, mechanical means, or the like).

Further, the device of the present invention is preferably installed on a container crane so as to ensure the efficiency of cargo handling operations and the safety of attaching and removing container deck loading fittings. The device of the present invention significantly improves workability and safety when installed in a so-called second trolley system. That is, the device of the present invention is preferably installed on a container crane equipped with a so-called second trolley system attached to the portal beam 11 near the container crane legs 10, as shown in FIGS. 6A and 6B. (In Fig. 6B, 12 is a telescoping platform, 13 is a hydraulic cylinder for the platform, and 1
4 and 15 each indicate a container. ) It is preferable that the device of the present invention is provided with two cone holders, and that one device of the present invention is installed at each of the front and rear ends of the container.

[Example] Hereinafter, an example of the present invention will be described with reference to FIGS. 7 to 10.

In FIGS. 7 and 8, the attachment/detachment device of the present invention is designated by the reference numeral 20 as a whole. One attachment/detachment device 20 is provided at each of the front end and the rear end of the container 22, but only one of them is shown in FIGS. 7 and 8.
The attachment/detachment device 20 has two cone holders 24, 24, and the cone holders 24, 24 are attached to the mounting portion 2.
6 to a link 28, and the link 28 together with the links 30, 30, 32 constitutes a link mechanism. and link 32
A buffer 36 of a hydraulic cylinder 34 is connected to. Here, the member indicated by 38 in FIG. 7 is a spring in the link mechanism constituted by the links 28, 30, 30, and 32 described above. 40 indicates a working platform.

In FIG. 8, 42 is a side flipper guide, 44 is an end flipper guide, and the end flipper guide 44 is a vertical stay 4.
The cone pedestal 2 is secured by a spring lock 46 including 6a.
4 is supported in an upright position. Since the container 22 enters the end flipper guide 44 while moving left and right from above, its inclined surface absorbs the movement of the container 22 and guides the container 22.
Then, the spring lock 46 locks the container 2 due to the spring force.
It's starting to suppress 2. Code 48 in the figure
indicates a cone turntable.

Until the container comes to a predetermined working position for attaching or removing the container deck loading fittings, the hydraulic cylinder 34 is in the contracted state, and the cone pedestal 24 is in the standby position outside the container 22 (Fig. 7). (Position indicated by dashed line and code 24A)
It is in.

Once the container 22 has arrived at the predetermined working position,
The hydraulic cylinder 34 is extended and the cone pedestal 24 is moved to the underside of the container 22. At this time, the cone pedestal 24 is guided by the side flipper guide 42 and the end flipper guide 44, and the cone holder 24 is fixed in a predetermined position. 4) Located directly below. Here, when the container 22 lifted by a crane (not shown) moves in the X-axis direction in FIG.
38, the cone pedestal 24 follows the movement of the container 22 and maintains a state directly below the metal fitting 4. On the other hand, when the container 22 moves in the Y-axis direction, the buffer 36 at the tip of the hydraulic cylinder 34
This allows the cone pedestal 24 to follow the movement of the container 22. Therefore, the cone pedestal 24 always maintains a positional relationship such that it is directly below the metal fitting 4 described above.

After the cone pedestal 24 is fixed directly below the metal fitting 4, the cone rotating pedestal 48 in the cone pedestal 24 is fixed.
is raised by a hydraulic mechanism (not shown), and the container deck loading fittings are installed or removed.

After installation or removal work is completed,
Cone cradle 2 is removed by reversing the above procedure.
4 back to its standby position 24A.

The installation work or removal work will be described in more detail below.

Various types of container deck stacking fittings 6 can be used for attaching or removing in the attachment/detachment device of the present invention, but as shown in Figs. 4A and 4B, the upper cone is inserted into the fitting 4 (Fig. 2) As shown in Figure 5A and Figure 5B, there is a type that rotates the entire container deck loading fitting by inserting it into the hole 4a of
The type in which the cone is rotated by moving the handle will be explained below.

FIG. 9 shows an adapter disk 50 provided at the top of the cone rotating table 48 when using the container deck stacking fitting 6 as shown in FIGS. 4A and 4B. A hole 52 is formed in the center of the adapter disc 50, and the hole 52 fits into the hole 5a of the corner fitting 5 (FIG. 2) on the top surface of the container.
The shape corresponds to the figure). When installing the container deck loading fittings, install the container deck loading fittings 6.
When inserted into the hole 52, the retainers 5 on both sides of the hole 52
4 and 54, the metal fitting 6 is connected to the adapter disc 50.
It is prevented from rotating against the Next, the cone rotating table 48 is raised, and the upper cone 7 (FIG. 2) of the container deck stacking fitting 6 is inserted into the hole 4a of the fitting 4 on the lower surface of the container. When the pedestal 9 of the container deck stacking fitting 6 comes into contact with the fitting 4, the entire adapter disc 50 rotates in the direction (direction of arrow A in Fig. 9) in which the container deck stacking fitting 6 is locked (the rotation angle is is the rotation angle required for axis OO to overlap axis AA). As a result, the container deck stacking fitting 6 rotates and the fitting 6 is attached to the fitting 4. Thereafter, when the rotating table 48 is lowered and the adapter disk 50 is lowered, the installation work of the container deck stacking fittings 6 is completed.

When removing the container deck loading fittings 6, turn the cone rotating table 48 with the axis AA in the extrusion direction.
is raised, the lower cone 8 of the container deck stacking fitting 6 is inserted into the hole 52, and the container deck stacking fitting 6 is held down and fixed by the restraints 54, 54. Then, a device (hydraulic drive) not shown inside the cone rotating table 48 releases the rotation stopper of the container deck stacking fitting 6, and moves the entire adapter disk 50 in the unlocking direction (direction of arrow B in FIG. 9). Rotate. (Here, the rotation amount is the rotation angle necessary for the axis AA to overlap the axis OO.) Thereafter, when the cone rotating table 48 is lowered, the upper cone 7 of the container deck stacking fitting 6 is moved to the fitting 4 (the second (Fig.) and remove the adapter disc 5.
0 and descends from the bottom of the container.

As shown in FIGS. 5A and 5B, the handle 5
If the container deck loading fitting 6 is of a type that locks or unlocks by moving the container 8, an adapter disk 60 as shown in FIG. 10 is used. The hole 62 provided in the center of the adapter disc 60 and the retainers 64, 64 on both sides are similar to the hole 52 and retainers 54, 5 of the adapter disc 50 in FIG.
It has the same function as 4. The procedure for attaching or removing the container deck stacking fittings 6 using the adapter disk 60 shown in FIG. 10 is approximately the same as when using the adapter disk 50 shown in FIG. 9. However, the adapter disk 60 itself does not rotate, and by moving the handle 58 in the circumferential direction along the slit 66 by a lever (not shown), the container deck loading fitting 6 can be locked (installation work) or locked. Release (removal work) is performed. That is,
When locking, move the handle 58 to position 5 in Figure 10.
8A to position 58B in the direction of arrow C (note that when the handle 58 is moved from position 58B to position 58C, the lower cone 8 rotates). To release the lock, move from position 58C to position 58A.
It moves in the direction of arrow D. When the handle 58 is moved as described above, the upper cone 7 (FIG. 2) rotates relative to the base 9, and the container deck stacking fitting 6 is attached to or removed from the fitting 4.

[Summary] As explained above, according to the present invention, the work of attaching or removing container deck loading fittings is mechanized, which eliminates heavy manual labor and saves labor. By assigning one person at a time, work can be done quickly. Furthermore, compared to work that is performed manually on the apron, accidents can be prevented when the cargo handling equipment is running, and the safety of the workers can be maintained. Furthermore, mechanization increases work speed and improves the efficiency of container handling operations.

[Brief explanation of the drawing]

Figures 1 to 3 are diagrams explaining the outline of attachment and detachment of the container deck loading fittings, Figures 4A and 4B are a plan view and side view of the container deck loading fittings, respectively, and Figures 5A and Figure 5B is a plan view and side view of another type of container deck loading fittings, and Figure 6A is a side view of another type of container deck loading fittings.
6B are views showing the installed state of the device of the present invention, FIG. 7 is a plan view of the detachable device of the present invention, and FIG. 8 is a side view of the detachable device of the present invention. FIG. 9 is a diagram showing an adapter disc used in the present invention, and FIG. 10 is a diagram showing another type of adapter disc. 3, 3a, 3b, 22... Container, 4, 5...
...Container corner fittings, 4a, 5a...Container corner fitting holes, 6...Container deck loading fittings,
7, 8... Cone, 20... Attachment/detachment device, 24...
Cone pedestal, 28, 30, 32...link, 34
...Hydraulic cylinder, 42, 44... Flipper guide, 48... Cone rotary table, 50, 60... Adapter disc.

Claims (1)

[Scope of utility model registration request] In a container deck stacking fitting attaching/detaching device for attaching and removing a container deck stacking fitting from a container, there is provided a cone pedestal for receiving the container deck stacking fitting, and a positioning means for reliably positioning the cone pedestal at a predetermined position below the container. and an attachment/detachment means for attaching and detaching the container deck stacking fittings, and the attachment/detachment means includes a link mechanism that supports the cone cradle, an extrusion mechanism that pushes out and moves the cone cradle, and a mechanism provided in the link mechanism and the extrusion mechanism. 1. A container deck stacking fitting attaching/detaching device comprising: a cone rotating table provided in a cone holder; and an adapter disc for attaching and removing a container deck stacking fitting.