JP2013017425A - Vegetation float island - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vegetation float island capable of preventing a planting base from being destroyed, a planting plant from encountering feeding damages, or being used for building a nest or the like by animals.SOLUTION: The vegetation float island planting plants and installed in a water area such as rivers or lakes and marshes in a floating manner is composed of: foamed buoyant bodies (16 and 17); planting bases (31, 32 and 33) to be in a floating state by the foamed buoyant bodies (16 and 17); and a wire net (25) covering the planting bases.

Description

  The present invention relates to a vegetation floating island used for waterside scenery and the like.

  Traditionally, vegetation floating islands have been used in lakes, rivers, dams, and other waters to conserve and restore the natural environment such as the creation of biological habitats, water purification, and landscape repair. Such vegetation floating islands are generally composed of a structure having buoyancy and a planting base made of soil or the like. By planting, for example, reeds on the planting base in such a vegetation floating island, and mooring it on the waterside, it becomes possible to increase waterside comfort, increase biodiversity, improve scenery, or purify water.

As a vegetation floating island as described above, for example, in Patent Document 1 (Japanese Patent Laid-Open No. 8-72787), a float is attached to a frame of an arbitrary shape assembled with strips, and the frame is held below the surface of the water. There is disclosed a vegetation floating island characterized in that a planting base material laminated on a frame and a float is held on a water surface.
JP 2003-35703 A

  However, conventional vegetation floating islands have problems such as destruction of the planting base of animals such as rats and nutria, and damage to plants planted by these animals. In addition, in the conventional vegetation floating island, there was a problem that mice and the like built a nest in the planting base.

  Due to the problems mentioned above, attempts have been made to apply repellents with animal odors or to prevent invasion by sound waves, etc., but they were not effective or did not last. .

  In addition, since plants planted on vegetation floating islands often have a thin planting base on vegetation floating islands, there is a problem that it is difficult to hold the plants with roots, and the plants are likely to fall off by waves and winds.

  This invention solves the said subject, The invention which concerns on Claim 1 is a vegetation floating island which plants a plant and installs in a floating state in water areas, such as a river and a lake. It consists of the planting base made into a floating state by a foam buoyancy body, and the wire mesh which covers the said planting base.

  The invention according to claim 2 is characterized in that in the vegetation floating island according to claim 1, the wire mesh is made of a stainless material.

  The invention according to claim 3 is characterized in that, in the vegetation floating island according to claim 1 or 2, the mesh length of the wire mesh is 10 mm or less.

  According to a fourth aspect of the present invention, in the vegetation floating island according to any one of the first to third aspects, a plurality of the wire meshes are stacked.

The invention according to claim 5 is characterized in that, in the vegetation floating island according to any one of claims 1 to 4, a pressing net is placed on the wire net.

  The invention according to claim 6 is characterized in that, in the vegetation floating island according to any one of claims 1 to 5, a pressing mat is placed on the wire net.

  The invention according to claim 7 is the vegetation floating island according to any one of claims 1 to 6, wherein a surface net is placed on the pressing mat.

  The invention according to claim 8 is characterized in that, in the vegetation floating island according to any one of claims 1 to 7, a heat-sealing culture soil is used as an outermost layer of the planting base.

  In the vegetation floating island according to the present invention, since the planting base is covered with a wire mesh, it is possible to block the head portion of an animal such as a mouse or nutria from entering the planting base. For this reason, according to such a vegetation floating island according to the present invention, the planting base is destroyed by animals, the plant being planted is damaged by food, or a nest or the like in the planting base Can be prevented.

  Moreover, since the vegetation floating island which concerns on this invention is a structure where the planting base was covered with the wire mesh, according to the vegetation floating island which concerns on this invention, it becomes possible to suppress omission of the planted plant. .

It is a perspective view explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is sectional drawing explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is a perspective view explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is a perspective view explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is a figure explaining the dimension of the wire mesh used by the vegetation floating island which concerns on embodiment of this invention. It is a perspective view explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is sectional drawing explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is a perspective view explaining the manufacturing process of the vegetation floating island which concerns on embodiment of this invention. It is a perspective view which shows the vegetation floating island 50 which concerns on embodiment of this invention. It is sectional drawing which shows the vegetation floating island 50 which concerns on embodiment of this invention. It is a figure which shows a mode that the plant was planted to the vegetation floating island 50 which concerns on embodiment of this invention. It is sectional drawing which shows the state which planted the plant to the vegetation floating island 50 which concerns on embodiment of this invention, and was installed in water areas, such as a river and a lake. It is a figure which shows the vegetation floating island 50 which concerns on other embodiment of this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view illustrating a manufacturing process of a vegetation floating island according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view illustrating a manufacturing process of a vegetation floating island according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the vegetation floating island cut by a vertical plane including the line X-X ′ in FIG. 1. This viewpoint is used in the sectional views in the following drawings.

The frame body 10 is manufactured, for example, by connecting four pieces of wood, and has a structure in which the top surface and the bottom surface are removed. A waste tire 11 is filled with a foamed buoyant body 16 made of foamed polyurethane resin. Also, the waste tire 11 and the frame 10
Between the two, the foamed buoyant body 17 made of polyurethane foam resin is also filled, and both the foamed buoyant body 16 and the foamed buoyant body 17 can earn the buoyancy necessary for the vegetation floating island to float on the water surface.

  The foam buoyancy body 17 filled between the waste tire 11 and the frame body 10 also plays a role of integrating the waste tire 11 and the frame body 10.

  A basket 14 is fitted below the waste tire 11. The basket 14 is a deep-bottomed bowl-shaped body having a predetermined depth and having a substantially cylindrical shape with a lower diameter slightly smaller than an upper diameter. This basket 14 can be comprised from a polyethylene resin molded product, for example.

  A covering net 19 is stretched on the lower surface of the vegetation floating island so as to cover the basket 14 and the entire lower surface of the waste tire 11. The covering net 19 may be a polyethylene resin fiber woven cloth net that is coarsely woven with strength and openings that can sufficiently hold the planting base accommodated in the basket 14. As shown in FIG. 2, the end portion of the covering net 19 is fixed so as to be embedded in the foam buoyancy body 17 filled between the waste tire 11 and the frame body 10.

  As shown in FIG. 3, four surface nets 20 a, 20 b, 20 c, and 20 d are attached to the upper parts of the four pieces of wood constituting the frame body 10. A palm net can be used as the surface layer net 20, and the one surface layer net 20 is wide enough to substantially cover the upper opening of the frame body 10. The surface layer net 20 is configured to cover the upper portion of the vegetation floating island when completed, thereby suppressing a landscape defect of the vegetation floating island.

  Next, as shown in FIG. 4, four metal meshes 25 a, 25 b, 25 c, and 25 d are attached to the upper parts of the four pieces of wood constituting the frame body 10. The single metal net 25 is wide enough to substantially cover the upper opening of the frame body 10. FIG. 5 is a diagram for explaining dimensions of the wire mesh 25 used in the vegetation floating island according to the embodiment of the present invention. In FIG. 5, a and b are the mesh lengths of the metal mesh 25. The mesh length (a, b) of the wire mesh 25 used in the vegetation floating island according to the present embodiment is preferably 10 mm or less. When the vegetation floating island is completed, the wire mesh 25 is made to cover the planting base, but the head of an animal such as a mouse or nutria is blocked to prevent it from entering the planting base. This is because the mesh length is 10 mm or less. The material constituting the wire mesh 25 is preferably made of a stainless material in order to prevent corrosion.

  Next, as shown in FIGS. 6 and 7, the planting base is filled in the basket 14, the hole of the waste tire 11, and the inside of the frame body 10. As a planting base, pearlite 31 is filled from the bottom of the basket 14 to a portion corresponding to the upper part of the waste tire 11, mesalite 32 is further filled thereon, and a heat-sealing culture soil 33 is placed on the upper part of the mesalite 32. Fill. The heat-sealing medium 33 is formed by mixing soil, an inorganic foam (foam) such as pearlite, and heat-fusible fibers and solidifying them by heat treatment.

That is, the heat-sealing culture soil 33 is formed by bonding heat-fusible fibers with each other by heat treatment, or forming a three-dimensional network structure by bonding fibers and foam, and fibers and soil. In addition, the solidified shape is suitably maintained. And even when the vegetation floating island 33 is installed in the water area, the heat-sealing culture soil 33 in a solidified state does not cause the soil to flow out to the outside, and the shape is maintained for a long time. It is formed with strength characteristics. In addition, the heat-sealing medium 33 as described above has a weight per unit volume of the inorganic foam of, for example, 0.5 kg / liter or less. Appropriate water retention and drainage properties are provided for the growth of rice.

  As described above, when the planting base is filled in the vegetation floating island, the four wire meshes 25a, 25b, 25c, and 25d are then moved in the directions of arrows A, B, C, and D in FIG. The folding and heat-sealing medium 33 is covered. When a plurality of wire meshes 25 are overlaid on the heat-sealing culture soil 33, and the effect of blocking the animal head portion from entering the planting base is covered by a single wire mesh Increased compared to

  In the vegetation floating island according to the present invention, the wire mesh 25 covers the heat-sealed culture soil 33 to prevent the invasion of harmful animals such as rats and nutria, and the roots of plants are entangled in the wire mesh. Can prevent omissions. Moreover, the plant can fully root in the wire mesh 25, and does not obstruct the initial purpose of the floating island. The mesh length of the metal mesh 25 may be 10 mm or less, and the material is preferably stainless steel in order to prevent corrosion.

  As described above, when the wire mesh 25 is folded on the heat-sealing culture medium 33, a pressing mat 40 such as a palm mat is placed on the wire mesh 25 as shown in FIG. Further, when the four surface nets 20a, 20b, 20c and 20d are folded in the directions of arrows A, B, C and D in FIG. 8 so as to cover the pressing mat 40, the present invention shown in FIG. The vegetation floating island 50 which concerns on can be obtained. FIG. 10 shows a cross-sectional structure of the vegetation floating island 50 according to the present invention.

  A plurality of wire meshes 25 are arranged on the heat-sealing culture soil 33 that constitutes the uppermost part of the planting base, and further, a presser mat 40 is provided thereon, and a plurality of surface nets 20 are provided on the presser mat 40. It will be arranged to be folded.

  The vegetation floating island 50 according to the present invention having such a structure blocks the head portion of an animal such as a mouse or nutria from entering the planting base because the planting base is covered with the wire mesh 25. It becomes possible. For this reason, according to the vegetation floating island 50 according to the present invention, the planting base is destroyed by the animal, the plant being planted is damaged by food, or the nest is formed in the planting base. Etc. can be prevented.

  Moreover, since the vegetation floating island 50 which concerns on this invention is a structure where the planting base was covered with the wire mesh, according to the vegetation floating island 50 which concerns on this invention, it is possible to suppress omission of the planted plant. It becomes.

  FIG. 11 is a diagram illustrating a state in which a plant is planted on the vegetation floating island 50 according to the embodiment of the present invention, and FIG. 12 illustrates that a plant is planted on the vegetation floating island 50 according to the embodiment of the present invention, such as a river or a lake. It is sectional drawing which shows the state installed in the water area in the floating state. When planting a plant on the planting base of the vegetation floating island 50, either a method of planting from seeds, or a method of planting by breaking the surface net 20, the holding mat 40, and the wire net 25 on the planting base. Can be taken. In the vegetation floating island 50 shown in FIG. 12, the vegetation floating island 50 is prevented from being washed away by mooring means (not shown).

  Excavation of the planting base by the invasion of the mouse was observed in the vegetation floating island not subjected to the wire mesh, but in the vegetation floating island 50 according to the embodiment of the present invention, the head portion of the mouse hits the wire mesh 25 and the excavation is performed. Abandoned traces were observed, and the vegetation floating island 50 according to the embodiment of the present invention proved to function effectively for excavation by harmful animals.

  Moreover, in the vegetation floating island 50 which concerns on embodiment of this invention, the root of a plant was fixed because there existed the wire net | network 25, and the effect that it was suppressed from coming off with a wind, a wave, etc. was also confirmed.

  Moreover, in the vegetation floating island 50 which concerns on embodiment of this invention, even if a waterfowl etc. form a nest on a planting base | substrate by having the wire net | network 25, a planting base | substrate is not deform | transformed with weight, but a shape Kept.

  As mentioned above, since the vegetation floating island which concerns on this invention is covered with the wire netting, it becomes possible to block the head part of animals, such as a rat and a nutria, so that it may not enter a plantation base. . For this reason, according to such a vegetation floating island according to the present invention, the planting base is destroyed by animals, the plant being planted is damaged by food, or a nest or the like in the planting base Can be prevented.

  Moreover, since the vegetation floating island which concerns on this invention is a structure where the planting base was covered with the wire mesh, according to the vegetation floating island which concerns on this invention, it is possible to suppress the fallen of the planted plant. .

  Next, another embodiment of the present invention will be described. Although the vegetation floating island 50 which concerns on previous embodiment was the structure using the waste tire 11, the vegetation floating island which concerns on this invention is not restricted to the thing of such a structure. FIG. 13 is a view showing a vegetation floating island 50 according to another embodiment of the present invention, FIG. 13A is a plan view of the vegetation floating island 50 according to another embodiment, and FIG. It is sectional drawing of the vegetation floating island 50 which concerns on embodiment.

  In the vegetation floating island 50 according to another embodiment, a floating body 45 made of polystyrene foam as shown in FIG. 13 is used in order to obtain buoyancy necessary for the vegetation floating island to float on the water surface. For example, pearlite 31, mesalite 32, heat-sealing culture soil 33, wire mesh 25, presser mat 40, and surface net 20 are stacked in the center concave portion of the polystyrene foam 45.

  The vegetation floating island 50 according to another embodiment as described above can also enjoy the same effects as the previous embodiment.

  The floating body used for the vegetation floating island according to the present invention is not limited to the above-mentioned styrofoam, but can also be made of wood or concrete. In addition, as the vegetation base of the vegetation floating island 50, any of natural soil and artificial soil can be used.

DESCRIPTION OF SYMBOLS 10 ... Frame 11 ... Waste tire 14 ... Basket 16 ... Foam buoyancy body 17 ... Foam buoyancy body 19 ... Cover net | network 20, 20a, 20b, 20c, 20d ... Surface layer Nets 25, 25a, 25b, 25c, 25d ... Wire mesh 31 ... Perlite 32 ... Mesalite 33 ... Heat-sealing medium 40 ... Holding mat 45 ... Styrofoam floating body 50 ... Vegetation Floating island

Claims (8)

In a vegetation floating island where plants are planted and installed in a floating state in water areas such as rivers and lakes,
A foam buoyancy body,
A planting base made floating by the foamed buoyancy body,
A vegetation floating island comprising a wire mesh covering the planting base. The vegetation floating island according to claim 1, wherein the wire mesh is made of a stainless material. The vegetation floating island according to claim 1 or 2, wherein a mesh length of the wire mesh is 10 mm or less. The vegetation floating island according to any one of claims 1 to 3, wherein a plurality of the wire nets are stacked. The vegetation floating island according to any one of claims 1 to 4, wherein a pressing net is placed on the wire net. The vegetation floating island according to any one of claims 1 to 5, wherein a pressing mat is placed on the wire mesh. The vegetation floating island according to any one of claims 1 to 6, wherein a surface net is placed on the pressing mat. The vegetation floating island according to any one of claims 1 to 7, wherein a heat-sealing culture soil is used for the outermost layer of the planting base.

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