JPS5910171Y2 - Water guide device - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a water flow guiding device for guiding the water of a tributary of a river downstream along the main stream without substantially mixing it with the water of the main stream downstream of a confluence point.

In general, in rivers, when polluted water is discharged from cities or factories into river tributaries, this polluted water flows down along the tributaries and flows into the main stream at the confluence of the tributaries and the main stream. will be contaminated.

In such a case, if the water guiding device as described above is used, the entire river will not be contaminated downstream of the confluence point.

The purpose of this invention is to provide an optimal structure for a water guiding device for preventing pollution from spreading from the above-mentioned tributaries to the main stream, and thus to the entire river.

To achieve this purpose, the water guiding device of this invention consists of two ropes extending along the main stream downstream of the confluence of the main stream and the tributary stream, and two ropes extending along each rope, respectively. two floating bodies capable of floating on water connected to the rope along substantially the entire length thereof; and a deformable strip member extending along both floating bodies and connected to each floating body at each side edge thereof; The upstream ends of the two ropes are fixed to each bank of the tributary at the confluence, and the upstream ends of the belt are connected to the tributary at the confluence. It is characterized by being installed on the river bed.

It should be noted that it is not an essential matter which of the two rivers that meet at the confluence point is called the main stream and which is called the tributary.
It is clear that tributaries and main streams can be interpreted interchangeably with the above idea.

This invention will be explained in detail below with reference to the drawings.

As is clear from Figures 1 and 2, which show the water guiding device of this invention installed in a river, the flowing water guiding device 1 is connected to the downstream end of the tributary 2 at the confluence of the tributary 2 and the main stream 3. It has an upstream end and extends downstream from there along the main stream 3.

The water flowing in the tributary stream 2 is guided downstream through a channel 1a formed in the flow guide device 1 in a similar orientation to the water in the main stream 3.

As shown in Fig. 3, the water guide device 1 has a concave belt shape in the center of its cross section, and on both sides there are bars shaped like a swim bladder that have buoyancy and can float on water. There are long floating bodies 4 a and 4 b, respectively.

The floating bodies 4 a and 4 b are made of, for example, a tube having a peripheral wall that does not allow water to pass through and filled with cork material having a small apparent specific gravity.

Instead of each long floating body, a number of floating bags arranged in a row and each capable of floating may be used, and in this case, if all the floating bags in the row form one floating body. can be considered.

Ropes 5 a and 5 b are arranged so as to extend along each of the floating bodies 4 a and 4 b.
b is connected to the corresponding rope over substantially the entire length of the ropes 5a, 5b.

The floating bodies 4a and 4b are connected to each other by a deformable strip member 6, such as a cloth, which extends along the floating body and is connected to the corresponding floating body at both side edges.

This deformable band-like member 6 is formed of, for example, waterproof cloth.

When installing this flowing water guide device 1 in a river (1.2
．． (See Figure 3) The upstream ends of the ropes 5a, 5b (7) are respectively fixed to the downstream ends of both banks of the tributary 2 at the confluence point, and the upstream ends of the strip members 6 are attached to the river bed at the downstream end of the tributary 2.

At this time, the ropes 5a, 5b, and therefore the entire water guiding device, are arranged so as to extend along the main stream 3 downstream of the confluence point.

When laid in this way, the floating bodies 4 a and 4 b float on the water surface, so the strip member 6 has a cross section with a low depression in the center. A waterway 1a is formed having both sides a and 4b as its limits.

When the water guide device 1 is arranged as described above, the water flowing along the tributary 2 clearly flows down along the main stream 3 in the water channel 1a without mixing with the water of the main stream 3 downstream of the confluence point.

In this water guiding device 1, when the amount of water flowing through the water channel 1a is large, the strip member 6 becomes greatly depressed as shown in FIG. As shown in the figure, the concavity of the strip member 6 becomes smaller, and the cross-sectional area of the water channel 1a becomes smaller.

Therefore, the flowing water guide device 1 has self-deformability (i.e., self-adjustability) such that the height of the water surface in the waterway 1a always matches the height of the water in the main stream 3 that does not pass through the waterway 1a, regardless of the amount of water.

The water guide device 1 preferably has a sand discharge section 7 as shown in FIG. The opening provided in the opening is defined as an inlet 7a, and extends outward from there to an outlet 7b in the shape of a blind pipe.

If this earth and sand discharge part 7 is provided, the earth and sand that settles in the waterway 1a and collects on the strip member 6 will pass through the earth and sand discharge part 7 from the inlet 7a, reach the outlet 7b, and fall from the outlet 7b to the river bed of the main stream 3. .

When there is sediment to be discharged, the earth and sand discharge section 7 extends diagonally downward toward the downstream as shown in FIG.
When such soil is not present, it extends downstream almost horizontally following the water flow, as shown in Figure 8.

As mentioned above, the water flowing in the tributary 2 of the river is guided downstream by the waterway 1a, so if the water in the tributary 2 becomes contaminated, a sewage treatment plant (not shown) is installed at the downstream end of the water guiding device 1.
If the water from the tributary stream 2 is guided to this treatment plant via the waterway 1a, purification of the river can be achieved.

Note that, for example, when the water volume increases during the rainy season, the water in the tributary 2 flows into the main stream 3 over the floating bodies 4 a and 4 b.
Generally, when the amount of water is large, contamination of the water in the tributary stream 2 is not a problem, so this inflow does not substantially pose a problem.

Of course, once the amount of water is reduced to the normal amount again, all of the water in the tributary stream will flow through the channel 1a.

[Brief explanation of the drawing]

Figure 1 is a plan view of a river in which the water guide device of this invention has been installed, Figure 2 is a sectional view taken along line 2-2 in Figure 1, Figure 3 is a cutaway perspective view of the water guide device, and Figure 4 is a cross-sectional view of the ice guiding device when the amount of water is large, FIG. 5 is a cross-sectional view of the flowing water guiding device when the amount of water is small, and FIG. FIG. 7 is a sectional view of the earth and sand discharge section when the earth and sand are discharged, and FIG. 8 is a sectional view of the earth and sand discharge section when the earth and sand are not discharged. In the drawings, 1 is a flowing water guiding device, 2 is a tributary stream, 3 is a main stream, 4a and 4b are floating bodies, 5a and 5b are ropes, and 6 is a belt-shaped member.

Claims (1)

[Scope of utility model registration request] Two ropes 5a and 5b extending along the main stream downstream of the confluence of the main stream and the tributary, and water extending along each rope and connected to the ropes over substantially the entire length of each rope. It is constructed by two floating bodies 4a and 4b that can float on the ground, and a deformable strip member 6 extending along both floating bodies and connected to each floating body at each side edge thereof. and that the upstream ends of the two ropes are fixed to each bank of the tributary at the confluence point, and the upstream end of the strip member is attached to the bed of the tributary at the confluence point. A flowing water guide device for guiding the water of a tributary of a river downstream along the main stream without substantially mixing it with the water of the main stream downstream of a confluence point.