JP4350659B2 - Beach-type safety pool - Google Patents

Description

  The present invention relates to a beach-type safety pool that protects a swimmer in a sand beach from a drought accident.

Beaches that maintain natural sandy beaches are used by many people as a precious place for swimming, beach play, and walking in the summer, even though they have decreased considerably recently.
People like to interact with nature in nature where human hands are not added as much as possible. However, nature is not always safe for people. It is a so-called offshore current caused by the influence of the shoreline topography and tides that are swept away by the waves, swept by the waves, deeply fitted during swimming, and to be washed off to the locals and children. If a general visitor or swimmer who comes to play occasionally fits in a rip current, the swimmer feels upset when exposed to the rip current, and drowns in a place where his back reaches and lives. The case of dropping is not rare.

Therefore, various safety measures have been taken. Measures such as setting up anchors and placing observers and rescuing rescue personnel (trained rescue personnel) are also common, but they also require labor costs and respond to all beaches 24 hours a day. It is very difficult if not impossible.
It is also considered to install a facility such as a safety pool on the beach (see Patent Document 1 and Patent Document 2).
Both the “Swimming Net Pool” (Patent Document 1) laid on rivers and the sea, and the “Assembling Simple Pool” (Patent Document 2) floating on the surface of the sea and the lake, both have a net attached to the bottom. The person can be separated from the natural riverbed, seabed (beach), and lakebed.

  The “protective net for beaches” (Patent Document 3), in which a large number of nets that reach the seabed from the sea surface and are attached to a belt-like floating body, are connected by connecting metal fittings. Although it is designed to be in direct contact with the seabed of the sea, multiple floating bodies are wrapped in a sheet, and the outside of the compartment is not visible during swimming, or a sheet is attached around the net and the sheet is used Because it is supposed to be connected to each other, resistance to seawater that continues to move is large, and the lower part of the net is not fixed to the seabed, the waves get over the floating body, strong rip currents, etc. It may not be said that safety and the possibility of proximity to nature are satisfied at the same time, such as a person may be easily pushed out of the protective net together with the wave. Met.

Japanese Utility Model Publication No. 49-114727 JP 52-123535 A Japanese Patent Application Laid-Open No. 07-158041

  In view of the current situation as described above, the present invention is a temporary type beach that does not change the flow of seawater and the state of waves from the natural state as much as possible, and can ensure the safety of life even in a rip current. The challenge is to provide a type safety pool.

The beach-type safety pool of the present invention is a beach-type safety pool that uses a net that partitions a part of a swimming area in a beach and protects a swimmer from a water accident, and is a fixed pile 1 fixed at the beach shore. The main rope 2 extended from the sea surface separates the sea surface, the lower part of the large floating body 3 is fixed to the main rope 2 at an appropriate interval, and the small floating body A4 is appropriately disposed between the large floating bodies 3. A sub rope 5 is attached at an appropriate height from the water surface of the large floating body 3, and a net 6 on the water surface is stretched between the main rope 2 and the sub rope 5. The rope 2 has a net 7 below the surface of the water that reaches the bottom of the sea and has a margin for the difference in tidal range and the height of the waves that are prohibited from swimming. The net And the weight 8 is connected, the large floating body 3 is characterized in that the floating body for weight 9 are connected to serve the role of anchor.
It is preferable that life ropes 12 to which small floating bodies B11 are attached at appropriate intervals are stretched on the partitioned sea surface.

  According to the present invention, from a sandy beach, through a coral, over a certain range of water depth, due to tidal waves, waves, feeling of sandy sea bottom, offshore view, etc. You can completely avoid the risk of personal injury and enjoy recreational activities such as swimming and walking on the beach.

In the present invention, Kashima Kaoru who took a break in the middle of a drive, talked with a group of elementary school students who enjoyed swimming on a calm day of the wave, and one of the group of elementary school students was killed by an offshore current. I was shocked when I heard the news of the night that I met, and I was devised to deal with misfortune that even local people would encounter an accident on the shoreline.
The present invention applies a stationary network technique. In addition, the beach-type safety pool of the present invention is used when the waves suitable for the region are relatively calm, and when the waves are expected to increase, swimming in the beach-type safety pool of the present invention Suppose that measures are taken to prohibit entry.
Hereinafter, the present invention will be described in detail with reference to the drawings.

FIG. 1 is an explanatory bird's-eye view showing an embodiment of a beach-type safety pool according to the present invention.
In FIG. 1, a main rope 2 having both ends tied to two fixed piles 1 fixed at the time of beach surfing divides the sea surface from the coast toward the offshore. In FIG. 1, the section is rectangular, but the shape of the section is not limited to this, and may be an appropriate shape by adjusting to the terrain of the coast.
The main rope 2 is provided with large floating bodies 3 on the water surface at appropriate intervals, and small floating bodies A4 are attached between the large floating bodies 3 at appropriate intervals.

The large floating body 3 is, for example, a closed cell plastic foam (a shape obtained by cutting a cylindrical body by a plane including an axis, or a columnar shape having an oval cross section, and is covered with a sheet. Are preferable), a hollow glass body, a metal body, and the like. The interval between the large floating bodies 3 can be appropriately set in consideration of the terrain, the roughness of the waves at the installation location, the strength of the offshore current, and the like.
The small floating body A4 is a floating body having an appropriate cross-sectional shape, such as a cork body or a closed cell plastic foam, and may be provided densely so as to be in contact with each other. Also good. The small floating body A4 keeps the main rope 2 on the water surface, and at the same time plays a role of a cushion so that even if a swimmer hits the main rope 2 by waves or the like, the swimmer is not injured such as injury or bruise. The thickness of the small floating body A can be selected as appropriate, but when the emphasis is placed on the buoyancy, it may be difficult to directly grip the small floating body A. It is preferable to expose the main rope 2 at intervals.

A sub rope 5 is attached at an appropriate height from the water surface of the large floating body 3, and a net 6 on the water surface is stretched between the main rope 2 and the sub rope 5.
The net 6 on the surface of the water is used to prevent a swimmer or the like from being washed offshore by waves or offshore currents. The height is 20 to 50 cm. In some cases, it is desirable to be about 1 m. Accordingly, the height of the large floating body 3 that stretches the sub rope 5 needs to be commensurate with it. The sub rope 5 may be attached to the uppermost part of the large floating body 3, but may be attached to the lower part of the uppermost part.

A water net 7 is suspended from the main rope 2.
The vertical length of the underwater net 7 is set so that the main rope 2 can always float on the sea surface due to tidal waves and rushing waves, so that it always reaches the seabed. It has a length corresponding to the depth of water, and has a margin for the difference in tidal range and the height of waves that are prohibited from swimming on the beach. Such a margin of the underwater net 7 ensures that the large floating body 3, and thus the overwater net 6, is always on the water surface, and it is ensured that a swimmer or the like is prevented from flowing offshore. .
Even when a net weight 8 is connected to the edge of the seabed side of the underwater net 7 at an appropriate interval and diving or the like, the swimmer is not dragged out of the beach type safety pool of the present invention. Thus, the underwater net 7 is prevented from leaving the seabed.

  When it is desired that the underwater net 7 is stretched in the vertical direction, the position of the underwater net 7 is reduced from the main rope 2 by a length corresponding to the depth from the sea level to the seabed at low tide (nearby ), A bar-shaped intermediate weight (not shown) can be attached in a plurality of stages so as to be arranged in a lateral direction at an appropriate interval below the upper part. However, in this case, when the large floating body 3 ascends at high tide or the like, the space between the sea bottom and the lowermost intermediate weight opens, and depending on the tide or the like, a part of the underwater net 7 may be outside. Care must be taken that there is a risk that a swimmer may get lost or drawn into the bag (it usually takes its head above the surface of the water by following the net 7 under the water sequentially) Is possible).

A floating body weight 9 that serves as a bag is connected to the large floating body 3 by a wire rope 10 so that the position of the large floating body 3 is not greatly shifted. In principle, the wire rope 10 is provided by being distributed inside and outside the beach-type safety pool of the present invention. However, the wire rope 10 is not limited to this and can be provided only outside. When it is provided only on the outside, it is less likely to cause obstacles such as swimming inside the beach-type safety pool.
Unexpected events can occur during swimming. For example, if you turn back (or wiggle) or the arch is spastic, or if you take a wave or drink water when breathing, or you feel tired and want to have a temporary rest. In such a case, it would be advantageous to be able to grab temporarily and float on the surface without panic.

Therefore, it is preferable to provide a lifesaving rope 12 passed through the small floating body B11 in the beach-type safety pool.
The lifesaving ropes 12 can be stretched together in one direction, or can be a combination of those stretched offshore and stretched substantially parallel to the shore along the same line of water depth.
FIG. 1 shows an example of a combination of one stretched offshore and one stretched almost parallel to the shore along the same line of water depth. In the illustrated example, the lifesaving rope 12 is stretched to the same length as the main rope 2, but either one of the four sides is removed, or the lifesaving rope 12 is further added to the inside of the four sides. It is also possible to increase the density of the main rope 2 and to stretch it in an oblique direction with respect to the main rope 2.

The small floating body B11 arranged on the lifesaving rope 12 may be the same as the small floating body A4 arranged on the main rope 2, and can be arranged in the same manner. Further, the lifesaving rope 12 may have an appropriate length as a unit, and carabiner-like hooks may be provided at both ends. It is preferable that the lifesaving rope 12 can be freely connected and disconnected using an appropriate ring or the like.
The beach-type safety pool of the present invention can be provided with a netted portion at the bottom for children, if desired. It is desirable for the net stretched on the bottom to be applied with a stronger tension than the above-mentioned nets so as not to be greatly deformed even when walking on the net. Therefore, it may be recommended to use stakes for the four enclosures for children.

In addition, it is possible to lay a pedestal for resting the swimmer, a monitoring platform for watching the safe use of the swimmer, and the like. A relatively hard and firm plate-like body made of wood, foamed plastic or the like can be spread on the resting pedestal or the monitoring stand.
The material and size of each member constituting the beach-type safety pool of the present invention will be described here.
The fixed pile 1 may be made of an appropriate material such as wooden or metal. The fixed pile 1 is firmly embedded in the shore so that it can be used continuously for at least one season, and a horizontal rail for preventing the fixed pile 1 is provided below the fixed pile 1.
The same applies to the lifesaving rope fixed pile 13, but the degree of fixation can be lighter than that of the fixed pile 1.
For the cores of the main rope 2, the sub rope 5, the wire rope 10, and the lifesaving rope 12, a natural material such as hemp or an appropriate material made of a synthetic resin can be used. It is selected in consideration of flexibility, strength and impact cut resistance. (Specifically, polyethylene can be exemplified.)

The large floating body 3, the small floating body A4, and the small floating body B11 can be made of, for example, cork, closed cell plastic foam, hollow glass body, or metal body. Select the size so that the buoyancy required for each item can be obtained. The small floating body A4 and the small floating body B11 may be the same. (Specifically, urethane foam or the like may be recommended as a preferable one.)
The water net 6 and the water net 7 can be appropriately selected from those used for fishing nets. (Specifically, polypropylene and polyurethane nets may be recommended as preferred.)
If the size of the nets 6 on the surface of the water and the net 7 on the surface of the water is too fine, resistance to the flow of seawater will increase, and if it is too rough, a part of the swimmer's body may jump out of the net and become difficult to pull out. Therefore, an 8-15 cm stitch is suitable. If it is in this range, the resistance of water flow does not exceed the strength of the net, and there is little concern about adhesion of algae and seaweed. It is preferable that the water net 6 and the water net 7 are further subjected to adhesion prevention treatment so that algae and seaweed do not adhere and grow.

Net weight 8, floating body weight 9, and intermediate weight are made of stainless steel metal, high specific gravity metal such as lead, refractory material such as solidified slag, and shinkansen sleepers. A heavy concrete can be exemplified. Appropriate rings and hooks are incorporated in each weight so as to be attached to a net or a floating body.
The overall size of the beach-type safety pool of the present invention is not particularly limited, and can be appropriately determined according to the topography such as the depth of the sea, the opening of the coastline, the tidal current, the strength of the waves, etc. For example, 50 to 150 m from the beach shore to the offshore direction, 100 to 500 m along the beach shore, about 1000 m in some cases, and the lifeline rope interval may be about 20 to 50 m.

  Because it is a beach-type safety pool that is basically surrounded by the net, it is safe for swimmers and visitors, and you can enjoy swimming without worrying about being exposed to waves or offshore currents. You can build a facility.

It is explanatory bird's-eye view which shows one Embodiment of the beach-type safety pool of this invention.

Explanation of symbols

1: Fixed pile 2: Main rope 3: Large floating body 4: Small floating body A
5: Sub rope 6: Water net 7: Water net 8: Net weight 9: Floating weight 10: Wire rope 11: Small floating body B
12: Life rope 13: Fixed pile for life rope

Claims (2)

It is a beach-type safety pool that uses a net that divides part of the swimming area at the beach and protects swimmers from water accidents,
The sea level is demarcated by the main rope 2 extending from the fixed pile 1 fixed at the beach shore,
The main rope 2 has a lower part of the large floating body 3 fixed at an appropriate interval, and a small floating body A4 is attached between the large floating bodies 3 at an appropriate interval.
A sub rope 5 is attached at an appropriate height from the water surface of the large floating body 3, and a net 6 on the water surface is stretched between the main rope 2 and the sub rope 5.
The main rope 2 is suspended by a net 7 below the surface of the water that reaches the bottom of the sea and provides a margin for the difference in tidal range and the height of the waves that prohibit swimming.
A net weight 8 is connected to the seafloor side edge of the underwater net 7,
A floating body weight pool 9 is connected to the large floating body 3 so as to serve as a ridge. The beach-type safety pool according to claim 1, wherein life ropes 12 to which small floating bodies B11 are attached at appropriate intervals are stretched on the partitioned sea surface.

Images