JPH09277869A - Container carrying vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To ensure a simultaneous carrying of containers by arranging a pair of movable bodies protrudable rearward with respect to a load carrying base at a distance longer than the width of container in the width direction of vehi cle, and arranging a container lifter over these movable bodies. SOLUTION: On a load carrying base 5, a pair of movable bodies 10 protrudable rearward with respect to the base 5 are arranged in the width direction of a vehicle at a longer interval than the width 30L of a container 30. On both sides of the base 5, guide rails 8 having the sectional form of C are fixed so that the openings face the outside of the sides. The bodies 10, 10, each having a rectangular cylindrical form in section, are positioned outside of sides of both guide rails 8. A plurality of guide rollers 11 are arranged in the lengthwise direction on the sides of the movable bodies 10 to be fitted to the guide rails 8. At the front and rear of both movable bodies 10 cylinder units 21 and piston units 23 fitted therein are respectively arranged. On the pistons 23 a container lifter 20 is mounted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container transport vehicle used to transport various containers such as marine containers and industrial containers.

[0002]

2. Description of the Related Art Conventionally, various equipment such as large forklifts, dedicated cargo handling vehicles (container carriers), and cranes have been used to transport containers in a place where a large number of containers are handled, such as a container terminal at a port. .

[0003]

However, according to the above-mentioned conventional method, since the containers are transported one by one by various devices, there is a problem in efficiency particularly when the transportation distance is long. In a place where a large number of containers are handled, such as a container base, a large number of large-sized various devices are required, which is economically problematic.

Therefore, an object of the present invention is to provide a container transport vehicle capable of simultaneously transporting a plurality of containers.

[0005]

In order to achieve the above-mentioned object, the container transport vehicle according to claim 1 of the present invention is provided with a movable body, which is capable of projecting rearward with respect to the cargo bed, in the cargo bed. The movable body is provided in a pair in the vehicle width direction with a space longer than the width of the container, and a container lifting device is provided between the movable bodies.

Therefore, according to the first aspect of the present invention, after the rear end of the luggage carrier is stopped so as to face the container, both movable bodies that have been retracted to the sides of the luggage carrier are caused to project rearward,
Position the container lifting device above the container. At this time, by making the interval between both movable bodies longer than the width of the container, these movable bodies can be moved outwardly on both sides of the container. Next, after the container lifting device is connected to the container, the container lifting device is lifted to move the container so that the lower surface of the container is above the upper surface of the loading platform.

Then, both movable bodies are moved back and forth, and the container lifted by the container lifting device is positioned above the loading platform. Then, the container lifting device can be lowered to place (land) the container on the bed, and the connection between the container lifting device and the container is released. When the above work is repeated by changing the stroke of the movable body, a plurality of containers can be placed on the platform.

[0008] In this way, after the container loading operation is completed and the container transport vehicle is run, it is possible to transport a single container or a plurality of containers at the same time. And
With the rear end of the loading platform facing the intended wholesale location,
By carrying out the opposite action to the above, the transported container can be unloaded at the intended unloading place.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. 1 to 3, a track head 1 is composed of wheels 2 and a driving unit 3, and a trailer 4 connected to a rear portion of the track head 1 has wheels 6 and outriggers 7 at a rear portion of a carrier 5. It is configured by arranging.

The loading platform 5 is provided with a movable body 10 capable of projecting rearward with respect to the loading platform 5. The movable body 10 is arranged in the vehicle width direction with a space 10L longer than the width 30L of the container 30. It is provided in a pair. That is, a guide rail 8 having a C-shaped cross section is fixed to each of both side surfaces of the loading platform 5 with its open portion facing outward. Each of the movable bodies 10 has a rectangular tubular cross-section, is positioned outside the both guide rails 8, and has a length of a guide roller 11 fitted and supported by the guide rails 8 facing each other. It is provided at multiple points in the direction (front end, rear end, etc.).

An output / retraction drive device 12 for synchronously causing the movable bodies 10 to project or retreat is provided. The output / retraction drive device 12 is of a multi-stage cylinder type, and its base end is the loading platform 5. The free end is inserted into the movable body 10 and connected to the intermediate portion of the movable body 10 while being connected to the front end side of the movable body 10. Further, folding-type auxiliary wheels 17 are provided at a plurality of positions (front portion, rear portion, etc.) on the lower surface side of both movable bodies 10 via swing leg bodies 18 and the like.

A container lifting device 20 is provided between both movable bodies 10 having the above structure. That is, in both movable bodies 10,
Cylinder devices (hoist cylinders) 21 are provided separately for each front and rear, and these cylinder devices 21 are
A cylinder body (22) standing upright from the movable body (10), a piston body (23) which is fitted in the cylinder body (22) and is raised by the supply of pressure fluid, and the like.

An elevating body 24 is fixed between the upper ends of the left and right piston bodies 23, and the front and rear elevating bodies 24 are connected by a pair of left and right connecting members 25. Both lifting bodies 24 are provided with engaging and disengaging tools (twist shaft locks, etc.) 26 at two positions on the lower surface side, and further, an engaging and disengaging cylinder device (twist for engaging and disengaging the engaging and disengaging tools 26). A cylinder device) 27, a position adjusting cylinder device (skew cylinder device) 28 for laterally moving the engaging / disengaging tool 26, and the like are provided. An example of the container lifting device 20 is configured by the above 21 to 28.

[0014] The advance / retreat drive device 12 and the container lifting device
A wired operation panel (wired remote controller) 29 for operating the devices 20 and the like is provided. Incidentally, the container 30 is, for example, a rack type, a rectangular plate-shaped receiving stand 31, and a vertical rod 32 standing from four corners of the receiving stand 31,
It is composed of an engaged portion 33 and the like formed on the upper end of each vertical rod 32. And the long object 35, which is an example of the transported object,
It is placed on the pedestal 31 between the left and right vertical rods 32.

The operation of the above embodiment will be described below. Before carrying the container 30, as shown in FIG.
The movable body 10 that has been raised is moved into and out of the side of the loading platform 5 to raise and lower the lifting body 24 and the like of the container lifting device 20. In such a state, the vehicle is made to travel forward (or backward), and finally in the vicinity of the container 30 to run backward, and as shown in FIG.
To face and stop.

Next, the driver of the container-carrying vehicle holds the operation panel 29 taken out from the intended storage location (not shown) and operates from the rear of the container 30. That is, by operating the operation panel 29, the outrigger 7 is first brought out and landed, and at the same time, the swing leg 18 is swung to land the auxiliary wheel 17.

Then, the movable member 10 is caused to project rearward by the operation of the retractable drive device 12. This projection is carried out stably and smoothly by the guide roller 11 being supported and guided by the guide rail 8 and the auxiliary wheels 17 being rolled on the road surface. At that time, the space 10L between both movable bodies 10 is the container 30.
These movable bodies 10 can be
It can be moved outward on both sides of 30. As shown in FIG. 5, the rearward projecting movement of both the movable bodies 10 causes the engaging tool 26 to move above the vertical rod 32.
Position and stop.

Then, the engagement / disengagement tool 26 is moved to the left / right by the position adjusting cylinder device 28 to align the engagement / disengagement tool 26 with the engaged portion 33. Then, the elevating body 24 is lowered by the contracting movement of the cylinder device 21, and the descending engagement / disengagement tool group 26 is fitted to the engaged portion 33 group from above,
An elevating body 24 is placed (landed) between the upper surfaces of the vertical rods 32 group. By operating the engagement / disengagement cylinder device 27 in this state, the engagement / disengagement device 26 group is engaged (locked) with the engaged portion 33 group.
You can

By raising the lifting body 24 side by the extension movement of the cylinder device 21, the lifting force can be transmitted to the container 30 through the group of engaging / disengaging tools 26. As shown in, the lower surface is lifted so as to be higher than the upper surface of the loading platform 5.

Next, both movable bodies 10 are moved in and out by the reverse operation of the retractable drive device 12, and as shown in FIG.
Is located in the center of the carrier 5. Then, by the contraction movement of the cylinder device 21 to lower the lifting body 24 side,
As shown in FIG. 8, the container 30 is placed (landed) on the platform 5. By reversely operating the engagement / disengagement cylinder device 27 in this state, as shown in FIG. 3, the engagement / disengagement device 26 group can be disengaged (unlocked) from the engaged portion 33 group.

Thereafter, the lifting / lowering body 24 side is raised by the extension movement of the cylinder device 21, so that the group of engaging / disengaging tools 26 can be disengaged upward with respect to the group of engaged parts 33. Then, the auxiliary wheels 17 and the outriggers 7 are raised, and the operation panel 29 is stored in the storage place, whereby the loading operation of the container 30 on which the long object 35 is placed in the container transport vehicle is completed.

If the container 30 is empty,
When the long object 35 is not placed on the container 30, the stroke of the movable body 10 is changed and the work is repeated, so that two containers are mounted on the loading platform 5 as shown in FIG.
30 can be placed, and in the same manner, the carrier 5 and the container 30.
Depending on the length relationship, three or more containers 30 can be placed at the same time.

By running the container-carrying vehicle in this state, it is possible to carry a single container 30 or a plurality of containers 30 simultaneously. Then, with the rear end of the loading platform 5 facing the intended unloading place, the container 30 that has been transported can be unloaded to the intended unloading place by causing the container 30 to reversely operate as described above. One after another can be wholesale to the intended wholesale place.

In the above-mentioned embodiment, the container 30 is shown in the rack form, but it can handle containers 30 of various shapes such as a box form. In the above-described embodiment, the movable body 10 has a rectangular tubular cross section, but the movable body 10 having a T-shaped cross section or an I-shaped cross section can also be used.

In the embodiment described above, the advance / retreat drive device 12
Although a multi-stage cylinder type is adopted as this, a rack and pinion type, a type equipped with driving wheels acting on the guide rails 8, or the like may be used.

As shown in the above-mentioned embodiment, when the twist shaft lock type is adopted as the engagement / disengagement tool 26 of the container lifting device 20, the engagement / disengagement can be performed safely by remote control. It may be a wire sling type or the like.

In the above-described embodiment, the container lifting device 20 uses the cylinder device 21 which also serves as a guide. However, this may be a type in which a guide mechanism is provided separately.

In the above-described embodiment, the operation panel 29 is of a wired type, but it may be of another type such as a wireless type.

[0029]

According to the above-mentioned claim 1 of the present invention, a single piece or a plurality of pieces are attached to the loading platform by the combined operation of the projecting / retracting movement of both movable bodies and the lifting / lowering movement of the container lifting device. Individual containers can be loaded, and by traveling, a single container or a plurality of containers can be transported at the same time, and due to the adverse effect, the transported containers can be unloaded to the intended unloading place. Therefore, the containers can be efficiently transported even when the transportation distance is long, and the number of containers can be reduced accordingly, thereby improving the economical efficiency.

[Brief description of drawings]

FIG. 1 shows an example of an embodiment of the present invention and is a perspective view of a cargo bed portion of a container transport vehicle.

FIG. 2 is a side view of the container transport vehicle.

FIG. 3 is a rear view of a cargo bed portion of the container transport vehicle.

FIG. 4 is a side view of the same container transport vehicle before loading a container.

FIG. 5 is a side view of the container transport vehicle when a movable body is projected.

FIG. 6 is a side view of the container transport vehicle when the container is lifted.

FIG. 7 is a side view of the container transport vehicle when the container is pulled in.

FIG. 8 is a side view of the same container-carrying vehicle when a container is loaded.

FIG. 9 is a side view of the same container-carrying vehicle when a plurality of containers are loaded.

[Explanation of symbols]

 1 Track head 5 Loading platform 7 Outrigger 8 Guide rail 10 Movable body 10L Distance between movable bodies 11 Guide roller 12 Extending / retracting drive device 17 Auxiliary wheel 20 Container lifting device 21 Cylinder device 24 Elevating body 26 Engaging / dismounting tool 29 Control panel 30 Container 30L container Width 33 Engaged part

Claims (1)

[Claims] 1. A luggage carrier is provided with a movable body that can project rearward with respect to the luggage carrier, and the movable bodies are provided in a pair in the vehicle width direction with an interval longer than the width of the container. A container-carrying vehicle, characterized in that a container lifting device is provided over the entire area.