JP6474510B2 - Creeper plant guard fence - Google Patents

Description

  The present invention relates to a guard fence that prevents a vine extending from a vine plant (mainly scrap) growing on the side of a road from entering the road.

  The outside of paved roads such as roads and sidewalks is generally non-paved, and when vines grow on the non-paved side, vines that grow from vines may enter the road. is there. Guard fences (guard fences) such as guard rails are installed on both sides of the road, but the vines extending from the above vines enter the road surface from the gap of the guard fence or over the upper part of the guard fence. Come.

  When the vines extend to the road side, particularly to the sidewalk, these vines may interfere with walking, and the vines may fall on the legs and fall. For this purpose, conventionally, a mowing machine for cutting a vine extending toward the road side is performed. However, the growth of vines is fast, and the vines that have been cut out grow immediately, and the vines are always forced to cut.

Further, it is troublesome and heavy labor to mow a vine entangled with a guard fence in which metal support columns stand at equal intervals with a mower. In addition, the disk cutter that rotates at high speed may hit the support and be damaged, which is dangerous.
On the other hand, there is a method in which a herbicide is sprayed on a vine plant instead of cutting a vine with a mower, but using a large amount of a strong herbicide is not preferable in terms of environmental protection.

FIG. 7 shows a state in which a vine (B) of a vine plant that has grown on the outside of a road enters from a gap of a guard fence (A) installed on the side of the road and protrudes from a sidewalk (C).
Fig. 8 (a) shows a case where the vine (b) is riding on a bicycle on the sidewalk (c) where the vine (b) is invading. (C) shows a case where the disc cutter (e) of the mower is cutting the vine (b) entangled with the post (d) of the guard fence (b) while contacting the post (d). Represents.

In this way, it is difficult to mow the growing and growing vines with a mower, and the maintenance cost increases. Therefore, a technique for preventing the vines from entering with a guard fence is also known.
“Weedproof fence” according to Japanese Patent Application Laid-Open No. 2012-102494 is a weedproof fence that can easily prevent the invasion of vines on the road surface side.
That is, the weed prevention surface from the weed prevention surface portion erected with respect to the boundary between the road surface and the non-paved surface, and the warped portion extending obliquely from the upper portion of the weed prevention surface portion to the side opposite to the road surface side By constructing a fence and preventing the weeds and other vegetation from entering the road surface side from the non-paved surface side by the weed-proof surface portion, and by guiding the vine plants to the non-paved surface side by the warped portion The vines are prevented from entering the road surface.

The grass protection fence is configured to have a grass prevention surface portion and a warping portion, which makes the overall structure complicated and increases the cost. Moreover, this weed fence cannot be constructed using existing fences and must be installed as a new fence.
“Weedproof fence” according to JP2012-102494A

As described above, the above-described problem occurs when the vine extending from the vine plant growing on the side of the road enters the road. The problem to be solved by the present invention is this problem, and provides a guard fence for vine plants that prevents the intrusion of a vine using an existing fence.

The vine guard fence of the present invention is constructed by attaching a net to a fence (protective fence), and prevents vines extending from vines growing on the side of the road from entering the road surface. Yes. Therefore, the net is disposed facing the outside of the fence, and is fixed to the fence via a fixture.
By the way, although the specific form of the fence and the specific structure of the fixture are not limited, the fence has a plurality of vertical columns, and an upper beam extending horizontally at the upper end of each column. have.

The net is fixed to at least a fence post and an upper rail via a fixture. The net is fine to prevent the vines from entering and tangling the fence, and the material is strong and flameproof.
A net that is attached to the outside of the fence is a connection structure in which the lower end of the net is bent and fixed to the side of the road with an adhesive or adhesive tape, and a part of the connecting part of adjacent nets is overlapped. It is said.

  The vine guard fence of the present invention has a net attached to the outside of the fence. Therefore, a vine extending from a vine plant growing on the side of the road passes through the net and enters the road surface. Never do. The net can be easily fixed to a support column and an upper rail with a fixing tool, that is, only the net is attached to an existing fence, so that the total cost is reduced.

In addition, the net to be stretched is not only a fence, but the lower end of the net is bent and extended to the side of the road, so there is no gap at the lower end of the fence, and the vine extends from the lower end of the fence. There is no invasion.
On the other hand, the net used is tough and will not break even if strong wind blows, and it will not spread by the fire of cigarettes due to its flameproofness.

The Example which shows the guard fence which concerns on this invention. Example showing the net. Fixing tool that attaches to the column and fixes the net. Sectional drawing at the time of fixing a net to a support | pillar via a fixing tool. Fixing tool that attaches to the top rail and fixes the upper edge of the net. Sectional drawing at the time of fixing a net to a top cross via a fixture. It shows a state where a vine of a vine plant that has grown on the outside of the road has entered from the gap of a protective fence (fence) installed on the side of the road and protrudes from the sidewalk. (A) When riding on a bicycle on the sidewalk, (b) When cutting a vine stretched using a mower, (c) When the disc cutter of the mower contacts the post of the guard fence Each case is shown.

FIG. 1 shows an embodiment of a vine guard fence according to the present invention, and a net 2 is stretched outside the fence 1. The lower end 3 of the net 2 is bent, and the bent lower end 3 is fixed to a roadside surface. The fixing means to the road side surface is not particularly limited, but an adhesive or an adhesive tape is generally used if the slope is a concrete surface. If the side of the road is a soil surface, it can be fixed by driving a pin.

In the fence, support columns 4 and 4 stand on both sides, and the upper ends of both support columns 4 and 4 are connected by an upper rail 5 serving as a handrail. And two horizontal rails 6a and 6b are provided at a predetermined interval on the upper ends of the columns 4 and 4 to connect the columns 4 and 4 together. A plurality of vertical bars 7, 7... Stand up on the lower horizontal bar 6b.
By the way, the plurality of fences 1, 1... Are arranged along the side of the road to form a protective fence.

A net 2 is attached to the fence 1 to block the space between the vertical rails 7, 7..., The space between the horizontal rails 6a and 6b, and the space between the upper rail 5 and the horizontal rail 6a. In addition, the net 2 is not stretched only by the fence 1, but the lower end 3 is fixed to the surface beside the road , so that the fence 1 is closed without creating a gap. Therefore, even if a vine plant grows on the roadside surface and the vine extends, the vine does not pass through the fence 1 and enter the road surface or sidewalk surface.

  FIG. 2 is a specific example showing the net 2. The net 2 has meshes 8, 8... In the vertical and horizontal directions, and is made small so that the extended vine does not pass through the meshes 8, 8. The stitch 8 of the net 2 shown in the figure is a square having a side of 3 mm, but a smaller mesh 8 may be used. However, in order to increase the wind contact, a mesh 8 having a certain size is required.

The net 2 is strong so as not to be broken in a strong wind, and has excellent fire resistance in order to prevent the spread of fire due to tobacco fire. Moreover, gray is adopted so that the color of the net 2 is not noticeable. Although the specific material of this net | network 2 is not limited, For example, it is comprised using polyester and the surface can be covered with polyvinyl chloride.
By the way, the net 2 is attached to the fence 1 using a fixture 9 and a fixture 10.

  FIG. 3 is a specific example showing the fixture 9. The fixture 9 includes a U-shaped bolt 11, a fixing plate 12 and nuts 13, 13. Screws 14, 14 are formed at both ends of the U-shaped bolt 11, and the nuts 13, 13 are formed on the screws 14, 14. Are screwed together. Both ends of the U-shaped bolt 11 are fitted into holes provided at both ends of the fixing plate 12, and in this state, the nuts 13 and 13 are screwed to prevent the fixing plate 12 from being detached.

By the way, the fixture 9 can be attached to the support column 4 or the vertical beam 7 to fix the net 2. The U-shaped bolt 11 is a restraining member that is attached to the support 4, the upper beam 5, and the vertical beam 7 and is restrained to the fence 1 together with the net 2, and the fixing plate 12 is a stopper that prevents the U-shaped bolt 11 from coming off. Functions as a landing member.
Moreover, although the fixture 9 shown in the figure is generally made of metal, it may be made of resin.

  The U-shaped bolt 11 of the fixture 9 is inserted into the mesh of the net 2, the fixing plate 12 is fitted and pressed on the U-shaped bolt 11 so that the net 2 does not come off from the U-shaped bolt 11, and the nuts 13 are tightened. . Accordingly, the net 2 is fixed to the support as shown in FIG. Here, since the mesh 8 of the net 2 is not so large that the U-shaped bolt 11 is inserted, the mesh 8 is enlarged.

As shown in FIG. 4A, if the net 2 is sandwiched and fixed between the support column 4 and the U-shaped bolt 11, the net 2 is fixed by the U-shaped bolt 11 while being wound around the support column 4. In addition, the duplication of the net 2 can be prevented. Moreover, since the net 2 is fixed in a state where it is pressed against the surface of the support column, the mesh 8 is not broken even if a strong wind acts on the net surface.
On the other hand, in the method for fixing the net 2 shown in FIG. 4B, the net 2 is sandwiched between the column 4 and the fixing plate 12 without being wound around the column surface.

  FIG. 5 is a specific example showing a fixture 10 for fixing the upper edge of the net 2 by being attached to the upper rail 5 serving as a handrail for the fence 1. The fixture 10 has arc portions 15, 15 having substantially semicircular shapes on both sides, and both ends of the arc portions 15, 15 are connected by connecting portions 16, 16. Here, although the inner diameter of the circular arc portion 15 is smaller than the outer diameter of the upper rail 5, the upper edge portion of the net 2 can be fixed by fitting the upper rail 5 when the circular arc portion 15 expands.

  FIG. 6 shows a cross section in a state where the fixing tool 10 is attached to the upper rail and the upper edge of the net is fixed. If the fixing portion 10 is spread with both connecting portions, the inner diameter of the arc portion 15 is also expanded and can be fitted to the upper rail 5 in this state. In this case, the upper edge portion of the net 2 is hung on the upper rail 5, and the net 2 is sandwiched between the upper rail 5 and the arc portion 15 as shown in FIG.

Even when the net 2 is fixed by the fixing tool 10, the net 2 is pressed by the arc portion 15 in a state of being wound around the upper rail 5, so that the net 2 is fixed without applying a load. The net 2 is not broken even in strong winds.
By the way, the fixing tool 9 shown in FIG. 3 and the fixing tool 10 shown in FIG. 5 are specific examples for attaching the net 2 to the fence 1, and it is free to use a fixing tool configured in another structure. It is.

  For example, a resin band having excellent flexibility is used in place of the U-shaped bolt 11, and a fastening portion is used in place of the fixing plate 12. A fine uneven surface is formed on the band surface, and two holes provided with claws are provided through the fastening portion. Therefore, like the U-shaped bolt, the band is wound around the support column, the upper beam, and the vertical beam, and the mesh is inserted, and is fitted into a hole provided in the fastening portion and tightened. That is, the band fits into the hole of the fastening portion and is locked by being locked to the claw.

DESCRIPTION OF SYMBOLS 1 Fence 2 Net 3 Lower end part 4 Support column 5 Upper beam 6 Horizontal beam 7 Vertical beam 8 Mesh 9 Fixing tool
10 Fixture
11 U-shaped bolt
12 Fixed plate
13 Nut
14 screws
15 Arc part
16 Joint

Claims (1)

In a fence in which a net is attached to guard against a vine extending from a vine plant growing on the slope of a road from entering a sidewalk surface or a road surface of the road, the fence has at least a support pillar and a handrail at its upper end. made on has a crosspiece, said net is fixed to the fence through the fixture while being disposed facing the outside of the fence, and extended by bending the lower end portion of the net to the roadside side surface of the roadside A vine guard fence, which is fixed to the lower end of the fence without causing a gap .