JPH0351497A - Conveying pipeline - 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 "Field of Industrial Application" This invention relates to a transportation pipeline that connects land and land on or under water such as the ocean or lakes using a transportation means such as a linear motor train. It is related to.

``Conventional technology'' In recent years, the concentration of technology in large cities has progressed, and the gap between rural areas and regions has become increasingly large. In order to avoid such concentration in large cities, it is necessary to create a mass logistics transportation system that allows for high-density, continuous transportation between rural areas, remote areas, and neighboring countries. It is considered desirable to create industrial bases on remote islands and neighboring countries.

By the way, when connecting remote islands or neighboring countries using such a mass logistics transportation system, it is necessary to connect land areas separated by oceans, lakes, etc. is required. As a conveyance means for carrying out distribution within such a conveyance path, proposals have already been made such as a linear motor type pallet transport train.

``Problems to be Solved by the Invention'' However, when constructing a tunnel that connects the land and the ocean as described above, it is necessary to construct the tunnel under the water using the N'ld construction method, or to construct a concrete or It is conceivable to install a steel box culver 1, etc., but if a tunnel is to be constructed for work at or below the seabed, the construction cost will be very high. It is profitable as a transportation route connecting remote areas such as remote islands and neighboring countries.
Since maintenance is extremely difficult at Hi-bottom, it was thought to be unfeasible in reality.

The object of the present invention is to provide a transport pipeline suitable as a transport path necessary for a mass distribution transportation system that performs high-density continuous transport between large cities and rural areas, remote islands, and neighboring countries.

``Means for Solving the Problems'' The conveying pipeline of the present invention is a conveying vibe line that traces 4 degrees between lands using a double-walled tube, and the inside of the tube serves as a conveying path. At the same time, the gap between the inner and outer tubes serves as a ballast tank that fills and drains water to increase buoyancy.

"Function" In the transportation pipeline of the present invention, a transportation path that connects land to ocean, etc. is formed in the inner tube of the two-city tube, and the gap between the inner and outer tubes allows water to be poured into the pipeline. Since it is a ballast tank that drains water and reduces buoyancy, it can be laid floating on the water, and if necessary, it can be easily submerged by introducing water into the ballast tank. It can also be installed underwater at a predetermined depth or on the bottom of the water.

Therefore, when using this transportation pipeline,
Even when connecting remote locations such as remote islands or neighboring countries, it can be easily constructed at an extremely low cost, and maintenance is extremely easy, as well as when external forces are applied to the transportation pipeline due to tidal currents, etc. Since the length of the conveyance pipeline is very long and the vibrate line is manufactured using a material with relatively low rigidity, the external force is dispersed by bending and deforming. Although the transportation pipeline may be carried away by the current and the route of the conveyance route changes somewhat, the conveyance pipeline will not be destroyed. In addition, when such a conveyance pipeline is laid on water, it is necessary to travel along the conveyance path when a storm or the like occurs and the waves become high and the conveyance pipeline becomes violently shaken. Running stability becomes a problem and it obstructs the ship's route, but this conveyance pipeline can be submerged or floated, and the installation depth can be easily changed, so if kept, it can be used for ships. It is also possible to submerge only the necessary part of the transport pipeline to a predetermined depth during the ship's voyage, and then resurface that part after the ship has passed.

Furthermore, if a floating conveyance means such as a linear motor train is run on the conveyance path of such a conveyance pipeline, the conveyance pipeline may bend due to tidal currents and the conveyance path may become distorted. Even if it is deformed or shakes slightly due to wind and rain, there is no problem with the running of the conveyance means, and even changes in the shape of the conveyance path due to changes in the water depth of Ichiro's conveyance pipeline as mentioned above will not hinder the running of the conveyance means. do not have. If there are still doubts about safety, the transport means may be allowed to run unmanned.

"Example" An embodiment of the present invention will be described below with reference to FIGS. 1 to I4. This will be explained with reference to FIG.

As shown in FIG. 1, the conveyance pipeline l of this embodiment is laid in water 2, underwater 3, and underwater 4, and connects land 5 around a large city and remote areas (not shown) to the ocean, etc. As shown in Figures 2 to 4,
It has a double structure consisting of an outer tube 6, an inner tube 7, and an inner conveyor tube 8,
The inside of the transport tube 8 serves as a transport path for running the linear motor train 9, and the outer tube 6
The gap between the ballast tank 10 and the inner tube 7 forms a ballast tank 10 that injects surrounding water S to reduce buoyancy. It also has drainage (not shown).

The tubes 6 and 7 are each made of a material such as FRP or other plastic material or steel, and the outer tube 6 has a diameter of several meters to several tens of meters, and is made of a prefabricated material. It is constructed by connecting a large number of units each having a length of approximately several hundred meters between both ends.

A plurality of magnets I+ are attached to the inside of the conveyance tube 8 (well, floating the linear motor train 9) in the upper, lower, left, and right directions (in four locations in the figure), and The wall of the transport tube 8 is provided with the linear motor train 9.
When the linear motor train 9 is running, the compressed air in front of it is discharged to reduce air resistance. ing.

Such a conveying pipeline l is shown in FIGS. 2 to 4.
As shown in the figure, even if the structure is the same, by injecting surrounding water S into the ballast tank 10 and adjusting the buoyancy, any of the above water 2, the bottom 4, and the underwater 3 can be adjusted. It is possible to lay it at great depth.

This conveyance pipeline I is provided with a mooring mechanism to prevent it from being washed away even when an external force such as the i1PII flow is applied. There are different cases in which the cable is laid in a floating state, in the case where it is laid in the water 2 at a predetermined depth, and in the case where it is laid in a state where it touches the bottom of the water 3.

In other words, if the pipeline is laid floating in water, as shown in FIG.
Anchor 15 is attached to the mounting brackets L3 provided on both sides of
By connecting to the transport pipeline l, the transport pipeline l is moored in a state where it is allowed to swing slightly and move horizontally within a predetermined range.

In addition, if it is laid at a predetermined depth underwater 2 (;J
By attaching the chain l4 to the handle 1 metal fitting l3 provided at the bottom of the transport pipeline l, and suspending the chain 14 with the lower part of the chain 14 touching the water bottom 4, the transport pipeline l The installation depth is maintained at a predetermined depth, and the horizontal movement of the conveying pipeline 1 is suppressed to some extent by friction between the garden floor 4 and the lower part of the chain 14.

In addition, if the conveying pipeline 1 is laid on the bottom of the water 3, it can be prevented from horizontal movement or shaking by attaching the conveying pipeline 1 to the concrete base 16 installed on the water bottom 4. It is laid in a completely restrained state.

In addition, when a ship 17 sailing on the sea 22 passes across the transport pipeline 1, this transport pipeline 1 receives a passing sign from the ship 17 (or a sensor). etc.), the ballast tank 1 of the conveyance pipeline 1 in the part through which the ship 17 passes.
By pouring water S into the tank 1 (if detected by the sensor, water S is automatically poured and drained), thereby reducing the buoyancy of a predetermined section of the transport vibration line l in that part. For example, submerge it to about 10 z below the water surface.

After the ship 17 has passed, the water S in the ballast tank IO is drained, thereby making the conveying pipeline 1 float again in the water.

Next, a method of constructing the carrier river pipeline 1 of this embodiment will be explained with reference to FIGS. 5 to 7.

When this conveyance pipeline line 1 is to be laid in the ocean or the like, first, as shown in FIG.
is pulled out onto the surface of the water 2 by a tugboat 18 with its end closed to prevent water S from flowing in.

After the conveying pipeline l has been laid to a predetermined distance offshore in this way, as shown in FIG. The unit of tube 6 carried to ship 19 is transferred to barge 1.
9" Connect by joining with two.

In this case, any method may be used to join the tubes 6, 6 on the barge 19. For example, if the tubes 6, 6 are made of plastic, etc., the tubes 6, 6 may be joined together on the barge 19, as shown in FIG. Then, ring-shaped heaters 20, 20 are attached to the inside and outside of the joint of each tube 6, 6, and 2 liters of resin for fusion is filled between the ends of each tube 6, 6,
Next, by heating the heater 20 with a force I1, the resin 21 is melted and the ends of the tubes 6 are fused together.

In addition, as shown in FIG. 1, in this conveyance pipeline I, the outer surface of the portion submerged from the land 5 into the water 3 is covered with concrete 22, thereby protecting the portion that is heavily eroded by waves. It is desirable to protect it and keep it 4-5 times.

Further, in the conveying pipeline 1 of this embodiment, the tube 7 and the conveying tube 8 are arranged inside the outer tube 6.
However, in the conveying pipeline I of the present invention, the outer tube 6 shown in FIG.
Two tubes 7 and two conveying tubes 8 may be provided inside the outer tube 6, and three tubes 7 and three conveying tubes 8 may be provided on the circular side of the outer tube 6 shown in FIG. Four tubes 7 and four transport tubes 8 are provided inside the outer tube 6 shown in FIG.

"Effects of the Invention" According to the conveyance pipeline of the present invention, the conveyance path connecting the land and the ocean is formed in the inner cove of the double-walled tube, and each inner and outer tube The gap between the ballast and the tank is used to adjust the buoyancy by pouring water, so it can be laid floating on the water, and if necessary, the ballast can be filled with water to adjust the buoyancy. By introducing this, it can be easily submerged, and it can also be installed underwater at a predetermined depth or on the bottom of the water.

Therefore, when using this transportation pipeline,
Even when connecting remote areas such as remote islands or neighboring countries, it can be constructed easily and at an extremely low cost, and maintenance is also extremely easy. Also, the length of the conveyance pipeline is very long, and the vibrating line is made by using jA F+, which has comparatively low rigidity, so the external force is dispersed by bending and deforming. Therefore, although the transport pipeline may be swept up by tidal currents and the route of the transport path changes somewhat, the transport pipeline will not be destroyed. In addition, if such a transportation pipeline is laid over water, 11 windstorms, etc. will occur, and 4! J. When the waves become high and the transport line becomes violently swaying, the running stability of the transport means traveling along the transport route becomes a problem, and it may interfere with the ship's route. This 7-ply line for conveyance is designed so that it can be easily submerged or floated, and the installation depth can be changed, so that it can be submerged in deep water where it is less affected by waves in the event of a strong wind. 3. Manoko receives a signal from a navigating vessel at the time of /fjLi+ of the ship {J and moves the section of the conveyance pipeline necessary for the vessel's navigation at a predetermined water depth. It is also possible to submerge the area and resurface it after the ship has passed.

Furthermore, when a levitation type conveyance means such as a motorized train is run on the conveyance path of such a conveyance pipeline, the conveyance pipeline may bend due to tidal currents, etc. Even if the conveyance path is deformed or shakes slightly due to strong winds or waves, there will be no hindrance to the operation of the conveyance means.
:; <, -1- 1; Changes in the shape of the conveying path due to changes in the water depth of some of the conveying pipelines do not impede the running of the conveying means. And if you still have doubts about safety, it is best to run the transportation vehicle unmanned. 3

[Brief explanation of drawings]

Figures 1 to 7 are diagrams showing one embodiment of the present invention, in which Figure 1 is a schematic diagram of a conveying pipeline, and Figure 2 shows a mooring mechanism for water. Schematic configuration diagram,
Figure 3 is a schematic structural diagram showing a mooring mechanism underwater, Figure 4 is a schematic diagram showing a mooring mechanism at the bottom of the water, and Figures 5 to 7 explain the method of laying a conveyance pipeline. FIGS. 8 to 10 are cross-sectional views showing the cross-sectional structure of a conveying pipeline according to another embodiment of the present invention. ., 3... Underwater, 4... Underwater, 5... On land, 6... Outer tube, 7 Inner tube, 8 Transport tube, IO, ballast tank, S, seawater, etc.

Claims (1)

[Claims] A transport pipeline that connects land using double-walled tubes, with the inner tube serving as the transport path, and the gap between the inner and outer tubes allowing water to be injected and drained to adjust buoyancy. A transportation pipeline characterized by a ballast tank.