JPH07277269A - Tank barge, pusher boat, mother barge, and method for transporting tank barge - Google Patents

Abstract

PURPOSE:To enable different kinds of cargos to be loaded into each tank barge for efficient and economical cargo transportation to meet the demand by designing the tank barges so that the tank barges of the same size can be connected together via joints provided at both ends. CONSTITUTION:On a low deck 2 formed in a mother barge 1 for carrying tank barges, right and left tank barge compartments 2a, 2b are provided about the axis L of the hull of the mother barge, and a plurality of tank barges 3 are loaded in a line into each compartment 2a, 2b. Each tank barge 3 has joints (projecting and recessed portions) 4, 5 at both ends that are designed to fit with each other, and the tank barges 3 of the same size are longitudinally removably connected together via the joints 4, 5. With the tank barges 3 connected together, the mother barge 1 is pushed by pusher boats 7, 7 held in a pusher boat compartment 8 formed in the stern of the mother barge.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tank barge, a pusher boat, a mother barge and a tank barge transfer method which are used, for example, in the marine transportation of liquid cargo.

[0002]

2. Description of the Related Art Conventionally, tankers have been widely used in marine transportation systems for liquid cargo, etc., and dedicated tankers adapted to the types of these liquid cargoes, that is, the properties and weight of the cargo, are generally used. There is.

For this reason, it is necessary for the transport company to prepare a plurality of types of tankers that are uniquely designed according to the type of cargo, and for example, even if the cargo is not fully loaded, mixed loading is not possible. Uneconomical operation is obligatory.

[0004]

Since the conventional marine transportation system using tankers is as described above, it is necessary to individually prepare a dedicated tanker having equipment according to the type of cargo, for example, each tanker. Promotion, ship handling equipment,
It was necessary to prepare safety equipment and crew members, and there was a problem that the equipment investment cost, operation and management costs were extremely high.

[0005] Further, there is a problem in that the operating efficiency fluctuates according to the demand for cargo, and even if the cargo is extremely small, it is necessary to carry out uneconomical operations due to personnel expenses and the like, and in some cases it is necessary to cancel the operation. There was a point.

The present invention has been made by paying attention to the above-mentioned conventional problems, and makes it possible to load different types of cargo into a plurality of tank barges, and these tank barges can be loaded into a mother barge by a pusher boat. On the other hand, by making it possible to load and unload like a container, it is possible to efficiently and economically realize freight transportation that meets demand, and to greatly improve operational convenience Tank barge, pusher boat, mother barge and It is an object to provide a tank barge transfer method.

[0007]

A tank barge according to the present invention has a first joint portion at one end and a second joint portion at the other end, and those of the same size are connected to each other through these joints. The first joint portion and the second joint portion are configured to be connected to each other, and one and the other of the first joint portion and the second joint portion are configured to include a concave portion and a convex portion that receive and hold each other. .

The tank barge according to the present invention is
The first joint part or the second joint part is shaped so as to be received and held by a mother barge side joint part provided on the mother barge to be mounted, and the tank barge according to the present invention is The first joint portion or the second joint portion is shaped to be received and held by the pusher boat side joint portion of the pusher boat that sails between the mother barge and the loading area.

Further, in the pusher boat according to the present invention, a pusher boat side joint portion which is received and held by the mother barge side joint portion provided in the pusher boat accommodating portion at the rear portion of the mother barge is provided at one end. .

A mother barge according to the present invention includes a plurality of tank barge accommodating portions formed on both sides of a mother barge body, and the tank barge side joint portion provided in the tank barge accommodating portion when accommodating the tank barge. A mother-barge side joint portion to be held by and a pusher boat accommodating portion formed at the rear end portion of the mother barge body are provided, and the mother barge-side boat joint portion provided in the pusher boat accommodating portion is provided with the pusher boat at the time of accommodating the pusher boat. The joint part on the pusher boat side is received and held.

Further, in the method of transporting a tank barge according to the present invention, the tank barge loaded at the loading place is connected to the pusher boat and transported to the mother barge side, and the tank barge is housed in the tank barge housing portion of the mother barge and separated. After that, the pusher boat is accommodated in the pusher boat accommodation portion of the mother barge, the mother barge is pushed by the pusher boat to the vicinity of the landing site, and the tank barge on the mother barge is connected to the pusher boat at the landing site,
This is separated from the tank barge accommodating portion and conveyed to the landing site by the pusher boat.

[0012]

According to the present invention, the tank barges loaded in the loading area are connected to the pusher boats through the respective joint portions, and the tank barges are conveyed to the mother barge side by the pusher boats, and the tank barges are connected to the respective joints. Via the mother barge side to the tank barge accommodation section, after separating the tank barge from the pusher boat here, the pusher boat is connected to the mother barge side pusher boat accommodation section via the respective joint sections, Subsequently, the mother barge is pushed by the pusher boat, and at the landing, the pusher boat is moved separately from the mother barge side accommodation section, connected to the tank barge on the mother barge through each joint, and the tank Separate the barge from the tank compartment and So as to be transported to the area later above by Yaboto.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a front view showing the entire mother barge of the present invention. In FIG. 1, 1 is a mother barge for mounting a tank barge, 2 is a low deck portion formed on the mother barge 1, and 3 is this low deck portion 2. In the above, as shown in FIG. 2, there are a plurality of tank barges mounted in one row in the left and right tank barge accommodating portions 2a, 2b around the axis L of the hull of the mother barge 1. Each tank barge 3 is filled and filled with heavy oil, gasoline, or any other liquid cargo.

Further, the tank capacity of each of these tank barges 3 is constant, and normally the capacity is, for example, 500 kiloliters and all sizes are standardized. It should be noted that each of these tank barges 3 has a first end at one end as shown in FIG.
Has a joint part 4 and a second joint part 5 at the other end.
Have.

Here, the first joint portion 4 is a convex portion and the second joint portion 5 is a concave portion so that they can receive and hold each other. Then, the other tank barges 3 of the same size are detachably connected in series in the front and rear (one end and the other end described above) via these joint parts 4 and 5, and towed in such a connected state. Has become. The detachable connection structure is not shown,
A well-known connection structure is employed in which the connection state is stable and the connection and disconnection can be easily performed by one push.

Reference numeral 6 is a mother barge side joint portion which is provided along the axis L of the lower deck portion 2 of the mother barge 1 and which separates the tank barge accommodating portions 2a and 2b from each other. Barge housing 2
It has a joint structure similar to that of the second joint portion 5 that receives and holds the first joint portion 4 of each tank barge 3 mounted on a and 2b.

Further, 7 is a pusher boat for pushing the mother barge 1, which can be held in a pusher boat accommodating portion 8 formed at the tail of the mother barge 1. Here, two pusher boat accommodating portions 8 are provided, and one pusher boat 7 can be accommodated in each of them.

Each of the pusher boats 7 has a pusher boat side joint portion 9 at the tip portion thereof, and the pusher boat side joint portion 9 is arbitrarily attached to the mother barge side boat joint portion 10 formed in the pusher boat accommodating portion 8. It can be accepted and held with one push.

The pusher boat side joint portion 9 has the same shape as the first joint portion 4 of the tank barge 3, and the mother barge side boat joint portion 10 also has the same shape as the second joint portion 5 of the tank barge 3. Have the same shape.

Next, a system for transporting a liquid cargo by sea using the tank barge, pusher boat and mother barge having the above construction will be described. First, as shown in FIG. 4, the tank barge 3 loaded in the loading area A is connected to the pusher boat side joint portion 9 of the pusher boat 7 through the second joint portion 5, and the tank is held by the pusher boat 7. The barge 3 is transported to the mother barge 1 side by sea, and the first joint part 4 of the tank barge 3 is connected to the mother barge side joint part 6 provided in the tank barge accommodating part 2a or 2b of the mother barge.

Next, after separating the tank barge 3 from the pusher boat 7, the pusher boat 7 is accommodated in the pusher boat accommodating portion 8 on the mother barge 1 side, and the joint portions 9 and 10 are connected to each other. The pusher boat 7 pushes the mother barge 1 while sailing.

In this way, when reaching the vicinity of the landing site B, the pusher boat 7 is again separated from the mother-barge-side accommodating section 8 and moved, and either tank in the tank-barge accommodating section 2a or 2b of the mother barge 1 is moved. The tank barge 3 is connected to the barge 3 via the respective joints 9 and 5, so that the tank barge 3 is separated from the tank barge accommodating portions 2a and 2b, and is conveyed to the landing site B by the pusher boat 7. The unloading work is performed for all necessary tank barges 3.

After finishing the unloading of the tank barge 3 to the landing site B, another pusher boat 7 connects another tank barge 3, for example, an empty tank barge 3 from the landing site B, and the tank barge 3 is mounted on the mother barge 1. Tank barge housing 2a, 3a
To the loading site A again through the same connection work as above.

When loading and unloading the tank barge 3 with respect to the mother barge 1 by the pusher boat 7, the mother barge 1 itself is sunk by the ballast to the water surface (drainage can be adjusted), and the tank barge on the low deck portion 2 is loaded. The tank barge 3 can be easily carried in and out of the storage portions 2a, 2b.

Therefore, according to this method of transporting the tank barge 3, the personnel operating the two pusher boats 7 can distribute the tank barge 3 and the mother barge 1, and after the pusher boat 7 and the mother barge 1 are combined. Is
It will be possible to operate with the personnel of one ship, and the number of operating personnel can be reduced compared to the operation of a normal tanker. The remaining personnel can then be assigned to work in the loading area.

Further, by handling the tank barge 3 as a container, it is possible to simultaneously carry a small amount of various types of cargo to a required place, and by handling the barge ship, the work can be simplified, the number of workers can be reduced, and the operating cost can be reduced. Can be achieved.

[0027]

As described above, according to the present invention, a plurality of tank barge accommodating portions formed on both sides of the mother barge body, and the tank barge side provided at the tank barge accommodating portion when the tank barge is accommodated. A mother barge side joint part for receiving and holding the joint part and a pusher boat accommodating part formed at the rear end part of the mother barge body are provided, and the mother barge side boat joint part provided in the pusher boat accommodating part is provided with a pusher boat. The joint part on the pusher boat side is received and held at the time of accommodation, and the tank barge loaded in the loading area is connected to the pusher boat and conveyed to the mother barge side, and the tank barge is accommodated in the tank barge accommodation part of the mother barge. Then, the pusher boat is separated from the pusher boat storage section of the mother barge. It is accommodated, and the mother barge is pushed by the pusher boat to the vicinity of the landing site, and the tank barge on the mother barge is connected to the pusher boat at the landing site. Since it is transported to the landing site, it is possible to load different types of cargo into multiple tank barges, and these tank barges can be freely loaded and unloaded from the mother barge with a pusher boat to meet demand. There is an effect that it is possible to realize freight transportation efficiently and economically and to greatly improve the convenience of operation.

Further, in the method of transporting a tank barge according to the present invention, the tank barge and the mother barge can be dispatched only by the personnel who operate the two pusher boats. Therefore, after the pusher boat and the mother barge are combined, It is possible to operate with the personnel of one ship, which has the effect of reducing the number of operating personnel compared to the operation of a normal tanker.

Further, by handling the tank barge 3 as a container, it is possible to simultaneously carry a small amount of a wide variety of cargo to a required place, and by handling it as a barge, the work can be simplified, the number of workers can be reduced, and the operating cost can be reduced. There is an effect that can be achieved.

[Brief description of drawings]

FIG. 1 is a front view showing a tank barge, a pusher boat and a mother barge according to an embodiment of the present invention.

FIG. 2 is a plan view showing a tank barge, a pusher boat, and a mother barge in FIG.

FIG. 3 is a plan view showing a tank barge connection structure according to the present invention.

FIG. 4 is an explanatory view showing a tank barge transfer method according to the present invention.

[Explanation of symbols]

 1 mother barge 2a, 2b tank barge housing part 3 tank barge 4 first joint part 5 second joint part 6 mother barge side joint part 7 pusher boat 8 pusher boat housing part 9 pusher boat side joint part 10 mother barge side boat joint part A Loading land B Landing

Claims (8)

[Claims] 1. A tank barge having a first joint portion at one end and a second joint portion at the other end, and those having the same size are cascade-connected to each other through them. 2. The tank barge according to claim 1, wherein one and the other of the first joint portion and the second joint portion are formed of a concave portion and a convex portion that receive and hold each other. 3. The first joint part or the second joint part is shaped to be received and held by a mother-barge side joint part provided on a mother barge to be mounted. Tank barge. 4. The first joint portion or the second joint portion has a shape that is received and held by a pusher boat side joint portion provided in a pusher boat that sails between a mother barge and a loading area. The tank barge according to claim 1, which is characterized. 5. A pusher boat having a pusher boat side joint portion, which is received and held by a mother barge side boat joint portion provided in a pusher boat accommodating portion at a rear portion of the mother barge, at one end thereof. 6. A plurality of tank barge accommodating portions formed on both sides of a mother barge body, and a mother barge side joint which is provided in the tank barge accommodating portion and receives and holds the tank barge side joint portion when accommodating the tank barge. Portion, a pusher boat accommodating portion formed at a rear end portion of the mother barge body, and a mother barge side boat which is provided in the pusher boat accommodating portion and receives and holds the pusher boat side joint portion when the pusher boat is accommodated. A mother barge characterized by having a joint part. 7. The mother barge is a tank barge 3 for the tank barge accommodating parts 2a, 2b on the low deck part 2.
7. The mother-harge according to claim 6, further comprising a ballast tank for allowing the mother barge itself to settle with respect to the water surface by adjusting the ballast when carrying in and out. 8. A tank barge loaded in a loading area is connected to a pusher boat and conveyed to the mother barge side, and the tank barge is housed in a tank barge housing portion of the mother barge and separated, and then the pusher boat is mounted on the mother barge pusher. The mother barge is accommodated in the boat accommodating section, and the mother barge is pushed to the vicinity of the landing by the pusher boat, the tank barge on the mother barge is connected to the pusher boat at the landing, and this is separated from the tank barge accommodating section. Tank barge transfer method to transfer to the above landing area by pusher boat.