JP6462037B2 - Net fence and manufacturing method thereof - Google Patents

Net fence and manufacturing method thereof Download PDF

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JP6462037B2
JP6462037B2 JP2017092509A JP2017092509A JP6462037B2 JP 6462037 B2 JP6462037 B2 JP 6462037B2 JP 2017092509 A JP2017092509 A JP 2017092509A JP 2017092509 A JP2017092509 A JP 2017092509A JP 6462037 B2 JP6462037 B2 JP 6462037B2
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trunk edge
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metal mesh
support column
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耕治 森永
耕治 森永
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共和鋼業株式会社
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Description

本発明は、ひし形金網を有するネットフェンス及びその製造方法に関する。   The present invention relates to a net fence having a diamond wire mesh and a method for manufacturing the same.

ネットフェンスは、安全や防犯等を目的として建物や公園等に設けられる。ネットフェンスとしては、ジグザグ状に屈曲させた複数の列線の屈曲部同士を互いに係合させてなる、いわゆるひし形金網を用いたものが広く知られている。   Net fences are installed in buildings and parks for the purpose of safety and crime prevention. As a net fence, what uses what is called a rhombus metal net | network formed by mutually making the bending part of the some line line bent in the zigzag shape mutually is known.

ネットフェンスに用いられるひし形金網は、通常、各列線の延在方向(以下、この方向を、ひし形金網の「幅方向」と言う。)が上下方向となるように設けられる。この場合、ひし形金網の幅方向両端に張線を挿通し、上下の胴縁に設けられた爪に張線を引っ掛けることで、ひし形金網が胴縁に取り付けられる(下記の特許文献1参照)。しかし、このような作業は容易ではなく、施工に手間がかかるという問題がある。   The diamond wire mesh used for the net fence is usually provided such that the extending direction of each column line (hereinafter, this direction is referred to as the “width direction” of the diamond wire mesh) is the vertical direction. In this case, the diamond wire mesh is attached to the trunk edge by inserting a tension wire through both ends of the diamond mesh in the width direction and hooking the tension wire on the claws provided on the upper and lower trunk edges (see Patent Document 1 below). However, such work is not easy, and there is a problem that construction takes time.

これに対し、下記の特許文献2では、ひし形金網の幅方向を水平方向としたネットフェンスが示されている。この場合、ひし形金網の、幅方向と直交する方向(以下、この方向を「長手方向」と言う。)の両端に胴縁が取り付けられる。ひし形金網は、長手方向で伸縮可能であるため、ひし形金網の長手方向両端に予め胴縁を取り付けて、輸送時や保管時には、ひし形金網を上下に縮めることで省スペース化を図ることができる。そして、施工時には、ひし形金網を長手方向に引き延ばして平面状に展開し、このパネルの一方の胴縁を、地面に立設された一対の支柱の上部に仮置きする。この状態で、一対の胴縁を、それぞれ支柱の所定位置にボルト等で固定することで、ネットフェンスが組み立てられる。この場合、施工現場で、ひし形金網に張線を挿通する作業や、張線を胴縁の爪に引っ掛ける作業が不要になるため、施工が容易になる。   On the other hand, in the following Patent Document 2, a net fence is shown in which the width direction of the rhombus metal mesh is a horizontal direction. In this case, body edges are attached to both ends of the rhombus metal mesh in a direction orthogonal to the width direction (hereinafter, this direction is referred to as “longitudinal direction”). Since the rhombus metal mesh can be expanded and contracted in the longitudinal direction, space can be saved by attaching a barrel edge to both ends of the rhombus metal mesh in advance and shrinking the rhombus metal mesh up and down during transportation and storage. At the time of construction, the rhombus is stretched in the longitudinal direction and developed into a flat shape, and one body edge of this panel is temporarily placed on the upper portion of a pair of support columns standing on the ground. In this state, the net fence is assembled by fixing the pair of trunk edges to predetermined positions of the columns with bolts or the like. In this case, it is not necessary to perform an operation of inserting a tension wire through the diamond wire mesh or an operation of hooking the tension wire on the nail of the trunk edge at the construction site, so that the installation is facilitated.

特開2007−98426号公報JP 2007-98426 A 特開2015−10372号公報Japanese Patent Laying-Open No. 2015-10372 特開平11−114647号公報Japanese Patent Laid-Open No. 11-114647

上記の特許文献2に示されているネットフェンスでは、図14に示すように、上側の胴縁201のフランジ201aと、ひし形金網202の上端に挿通された補強材203との間に、支柱204のフランジ204aの上端を挿入することで、上側の胴縁201を支柱204に仮置きしている。しかし、このような仮置き作業は手間がかかると共に、上側の胴縁201の支持状態が不安定であるため、作業性が悪化する。   In the net fence shown in the above-mentioned Patent Document 2, as shown in FIG. 14, a support column 204 is provided between the flange 201 a of the upper trunk edge 201 and the reinforcing member 203 inserted through the upper end of the diamond wire mesh 202. The upper trunk edge 201 is temporarily placed on the support column 204 by inserting the upper end of the flange 204a. However, such temporary placement work is troublesome and the support state of the upper trunk edge 201 is unstable, so that workability is deteriorated.

そこで、本発明は、ひし形金網を有するネットフェンスの施工をさらに容易化することを目的とする。   Therefore, an object of the present invention is to further facilitate the construction of a net fence having a diamond wire mesh.

前記課題を解決するために、本発明は、一対の支柱と、前記一対の支柱の間に掛け渡され、上下方向に離間して設けられた一対の胴縁と、上端及び下端が前記一対の胴縁に取り付けられ、ジグザグ状に屈曲しながら前記胴縁の延在方向に延びる複数の列線の屈曲部同士を、前記支柱の延在方向に互いに係合させてなるひし形金網とを備えたネットフェンスであって、前記ひし形金網の上端に取り付けられた上側の胴縁が、前記ひし形金網の厚さ方向両側において、前記支柱により下方から支持されたネットフェンスを提供する。   In order to solve the above problems, the present invention provides a pair of struts, a pair of trunk edges that are spanned between the pair of struts and spaced apart in the vertical direction, and an upper end and a lower end are the pair of struts. A rhombus wire mesh attached to the trunk edge and bent in a zigzag manner and extending in the extending direction of the trunk edge to bend each other in the extending direction of the column. It is a net fence, Comprising: The upper trunk edge attached to the upper end of the said rhombus metal mesh provides the net fence supported from the downward direction by the said support | pillar in the thickness direction both sides of the said rhombus metal net.

上記のように、上側の胴縁が、ひし形金網の厚さ方向両側において、一対の支柱で下方から支持されることにより、ひし形金網の上端が取り付けられた上側の胴縁を、一対の支柱の上に安定した状態で仮置きすることができる。この場合、上側の胴縁を支柱の支持部の上に載置するだけで仮置きができるため、上記の特許文献2のように、胴縁のフランジと補強材との間に支柱のフランジを挿入する作業が不要となり、施工が容易化される。   As described above, the upper trunk edge is supported from below by a pair of struts on both sides in the thickness direction of the rhombus metal mesh, so that the upper trunk edge to which the upper end of the rhombus metal mesh is attached is It can be temporarily placed in a stable state. In this case, since temporary placement can be performed simply by placing the upper barrel edge on the support portion of the support column, the flange of the support column is provided between the flange of the barrel edge and the reinforcing material as in Patent Document 2 above. The work to insert becomes unnecessary, and the construction is facilitated.

上記のネットフェンスは、前記支柱が、前記厚さ方向で対向する一対の側面部を有し、前記支柱の一対の胴縁の間に、前記上側の胴縁の端部が嵌まり込んだ構成とすることができる。この場合、上側の胴縁を、支柱の一対の側面部の間に嵌め込みながら支柱の上に載置することができるため、より一層安定した状態で支柱に仮置きすることができる。   The net fence has a configuration in which the support column has a pair of side portions opposed to each other in the thickness direction, and an end portion of the upper trunk edge is fitted between the pair of trunk edges of the support column. It can be. In this case, since the upper trunk edge can be placed on the support while being fitted between the pair of side surfaces of the support, it can be temporarily placed on the support in a more stable state.

ところで、ひし形金網を用いたネットフェンスでは、人(特に子供)が網目に足を入れて上ってしまうことがある。例えば、ひし形金網の網目を細かくすれば、人の足が入りにくくなるが、この場合、列線の使用量が増えるため、コストが増大する。そこで、ひし形金網の網目の胴縁延在方向(横方向)のピッチを、支柱延在方向(縦方向)のピッチよりも小さくし、網目を縦長にすれば、列線の使用量を抑えながら、網目に人の足が入りにくくなる。   By the way, in a net fence using a diamond wire net, a person (especially a child) may go up with a foot in the net. For example, if the mesh of the rhombus metal mesh is made fine, it becomes difficult for human feet to enter, but in this case, the amount of use of the column lines increases, so the cost increases. Therefore, if the pitch in the trunk edge extending direction (lateral direction) of the mesh of the rhombus metal mesh is made smaller than the pitch in the column extending direction (vertical direction) and the mesh is made vertically long, the amount of column lines used is suppressed. , It becomes difficult for human feet to enter the mesh.

このとき、従来のひし形金網では、列線が縦方向に延びているため、網目を縦長にすると、列線の屈曲部のピッチが広がる。図15に示すように、列線110は、ジラス101及びヘラ102を用いてジグザグ状に屈曲される(上記の特許文献3参照)。この場合、列線110の屈曲部のピッチが広がると、ヘラ102に巻き付けられる列線110の巻き付け回数が減るため、列線110がヘラ102の先端側(図中矢印方向)に送り出されにくくなり、列線110の成形に支障を来たすおそれがある。例えば、ジラス101及びヘラ102を長くすれば、ピッチの広い列線110を成形することができるが、この場合、成形装置全体の構造を変更する必要が生じるため、コストがかかる。   At this time, in the conventional rhombus metal mesh, the column lines extend in the vertical direction. Therefore, when the mesh is made vertically long, the pitch of the bent portions of the column lines increases. As shown in FIG. 15, the column line 110 is bent in a zigzag shape using the gusset 101 and the spatula 102 (see Patent Document 3 above). In this case, if the pitch of the bent portion of the column line 110 is widened, the number of windings of the column line 110 wound around the spatula 102 is reduced, so that the column line 110 is less likely to be sent to the tip side of the spatula 102 (arrow direction in the figure). There is a risk of hindering the formation of the column line 110. For example, if the girth 101 and the spatula 102 are lengthened, the row lines 110 having a wide pitch can be formed. However, in this case, it is necessary to change the structure of the entire forming apparatus, which is expensive.

これに対し、上記のひし形金網では、列線が横方向に延びているため、列線の屈曲部のピッチは、網目の横方向のピッチと等しくなる。従って、上記のように、網目の横方向のピッチを小さくすることで、各列線の屈曲部のピッチが小さくなるため、既存の設備(ジラス及びヘラ)を用いて列線をジグザグ状に成形して、縦長の網目を有するひし形金網を得ることができる。   On the other hand, in the above-described rhombus metal mesh, the column lines extend in the horizontal direction, so the pitch of the bent portions of the column lines is equal to the pitch in the horizontal direction of the mesh. Therefore, as described above, by reducing the horizontal pitch of the mesh, the pitch of the bent portion of each column line is reduced, so the column line is formed in a zigzag shape using existing equipment (jilas and spatula). Thus, a rhombus wire mesh having a vertically long mesh can be obtained.

従来のネットフェンスでは、ひし形金網を補強するために、ひし形金網の縦方向中間部に、横方向に直線状に延びる張線が設けられる。これに対し、本発明のネットフェンスでは、ひし形金網の列線が横方向に延びているため、各列線が横方向の張線のような役割を果たすことができる。これにより、ひし形金網(特に、胴縁及び支柱で囲まれた領域)に、横方向に直線状に延びる張線を設けなくて済むため、コスト低減が図られると共に、外観が改善される。   In the conventional net fence, in order to reinforce the rhombus metal mesh, a tension line extending linearly in the horizontal direction is provided in the longitudinal middle portion of the rhombus metal mesh. On the other hand, in the net fence according to the present invention, the column lines of the rhombus metal mesh extend in the horizontal direction, so that each column line can function as a horizontal tension line. This eliminates the need to provide a stretched wire extending in a horizontal direction in the rhombus wire mesh (particularly, the region surrounded by the trunk edge and the column), thereby reducing costs and improving the appearance.

以上のように、本発明によれば、上側の胴縁を支柱に仮置きする際の作業性が向上するため、ネットフェンスの施工が容易化される。   As described above, according to the present invention, workability at the time of temporarily placing the upper trunk edge on the support column is improved, so that the construction of the net fence is facilitated.

ネットフェンスの正面図である。It is a front view of a net fence. (A)は、支柱をフェンス厚さ方向から見た正面図、(B)は、支柱を(A)図のB方向から見た側面図、(C)は、支柱を(A)図のC方向から見た平面図である。(A) is the front view which looked at the support | pillar from the fence thickness direction, (B) is the side view which looked at the support | pillar from the B direction of (A) figure, (C) is C of FIG. It is the top view seen from the direction. 上胴縁の斜視図である。It is a perspective view of an upper trunk edge. 支柱と上胴縁との結合部の正面図である。It is a front view of the coupling | bond part of a support | pillar and an upper trunk edge. 下胴縁の斜視図である。It is a perspective view of a lower trunk edge. 支柱と下胴縁との結合部の正面図である。It is a front view of the coupling | bond part of a support | pillar and a lower trunk edge. 図1のA部の拡大図である。It is an enlarged view of the A section of FIG. 図1のB部の拡大図であり、支柱の一部を切り欠いて示す。It is an enlarged view of the B section of Drawing 1, and shows a part of pillar notched. (A)は、図1のC−C断面図であり、(B)は、(A)図のB−B断面図である。(A) is CC sectional drawing of FIG. 1, (B) is BB sectional drawing of (A) figure. 図1のD−D断面図である。It is DD sectional drawing of FIG. (A)はひし形金網の正面図、(B)は伸縮パネルの正面図、(C)は伸縮パネルを縮めた状態の正面図である。(A) is a front view of a rhombus metal mesh, (B) is a front view of an expansion-contraction panel, (C) is a front view of the state which contracted the expansion-contraction panel. 複数のネットフェンスを連結した状態を示す正面図である。It is a front view which shows the state which connected the some net fence. (A)は、他の実施形態に係るネットフェンスの断面図(図1のC−C断面に相当)であり、(B)は、(A)図のB−B断面図である。(A) is sectional drawing (equivalent to CC cross section of FIG. 1) of the net fence which concerns on other embodiment, (B) is BB sectional drawing of (A) figure. 従来のネットフェンスの斜視図である。It is a perspective view of the conventional net fence. 列線の屈曲成形方法を示す平面図である。It is a top view which shows the bending method of a column line.

以下、本発明の実施の形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

本実施形態に係るネットフェンス1は、図1に示すように、設置面(地面や床面)に立設された一対の支柱2,2と、両端が支柱2,2に取り付けられ、上下方向に離間して設けられた上側の胴縁(以下、上胴縁3)及び下側の胴縁(以下、下胴縁4)と、支柱2,2及び胴縁3,4に取り付けられたひし形金網5とを備える。尚、以下の説明では、支柱2と平行な方向を「縦方向」、胴縁3,4と平行な方向を「横方向」、支柱2及び胴縁3,4と直交する方向(ひし形金網5の厚さ方向)を「フェンス厚さ方向」と言う。図示例では、縦方向が鉛直方向であり、横方向が水平方向である。   As shown in FIG. 1, the net fence 1 according to the present embodiment has a pair of support columns 2 and 2 erected on an installation surface (the ground surface or the floor surface), and both ends are attached to the support columns 2 and 2. The upper trunk edge (hereinafter referred to as the upper trunk edge 3) and the lower trunk edge (hereinafter referred to as the lower trunk edge 4), which are spaced apart from each other, and rhombuses attached to the columns 2, 2 and the trunk edges 3, 4 A wire net 5 is provided. In the following description, the direction parallel to the column 2 is the “vertical direction”, the direction parallel to the trunk edges 3 and 4 is the “lateral direction”, and the direction perpendicular to the column 2 and the trunk edges 3 and 4 (the diamond wire mesh 5 (Thickness direction) is called "fence thickness direction" In the illustrated example, the vertical direction is the vertical direction, and the horizontal direction is the horizontal direction.

支柱2は、図2に示すように、上下方向に延びる角筒状を成している。具体的に、支柱2は、フェンス厚さ方向に対向する一対の側面部2cと、一対の側面部2cの横方向内側(ネットフェンス1の横方向中央側)の端部からフェンス厚さ方向内側に延びる一対の内面部2aと、一対の側面部2cの横方向外側の端部同士を連結する外面部2bとを備える。一対の内面部2aの間には、縦方向に延びる開口部2a1が設けられる。各支柱2の上部には、上胴縁3を下方から支持する支持部が設けられる。図示例では、一対の内面部2aの上端2a2が、支柱2の他の部分(外面部2b及び側面部2c)の上端よりも下方に設けられ、この一対の内面部2aの上端2a2が支持部となる。支柱2の側面部2cには、胴縁3を固定するための固定穴2c1と、ひし形金網5の横方向端部を固定するための固定穴2c2(図8参照)とが設けられる。   As shown in FIG. 2, the support column 2 has a rectangular tube shape extending in the vertical direction. Specifically, the support column 2 includes a pair of side surface portions 2c facing each other in the fence thickness direction and an inner side in the fence thickness direction from an end portion of the pair of side surface portions 2c on the inner side in the horizontal direction (the central side in the horizontal direction of the net fence 1). A pair of inner surface portions 2a extending outward, and an outer surface portion 2b that couples the laterally outer ends of the pair of side surface portions 2c. An opening 2a1 extending in the vertical direction is provided between the pair of inner surface portions 2a. A support portion for supporting the upper trunk edge 3 from below is provided on the upper portion of each column 2. In the illustrated example, the upper ends 2a2 of the pair of inner surface portions 2a are provided below the upper ends of the other portions (outer surface portion 2b and side surface portion 2c) of the support column 2, and the upper ends 2a2 of the pair of inner surface portions 2a are the support portions. It becomes. A side surface 2c of the support column 2 is provided with a fixing hole 2c1 for fixing the trunk edge 3 and a fixing hole 2c2 (see FIG. 8) for fixing a lateral end of the rhombus metal mesh 5.

上胴縁3は、図3に示すように、水平方向に延びる角筒状を成している。具体的に、上胴縁3は、フェンス厚さ方向に対向する一対の側面部3cと、一対の側面部3cの下端からフェンス厚さ方向内側に延びる一対の底面部3aと、一対の側面部3cの上端同士を連結する上面部3bとを備える。一対の底面部3aの間には、横方向に延びる開口部3a1が設けられる。上胴縁3の上面部3bは、穴の無い平板状を成している。上胴縁3の側面部3cには、支柱2と固定するための固定穴3c1が設けられる。図4に示すように、上胴縁3の底面部3aが支柱2の内面部2aの上端2a2で下方から支持された状態で、上胴縁3の側面部3cの固定穴3c1と支柱2の側面部2cの固定穴2c1とがボルト7で固定される。   As shown in FIG. 3, the upper trunk edge 3 has a rectangular tube shape extending in the horizontal direction. Specifically, the upper trunk edge 3 includes a pair of side surface portions 3c facing in the fence thickness direction, a pair of bottom surface portions 3a extending inward in the fence thickness direction from the lower ends of the pair of side surface portions 3c, and a pair of side surface portions. And an upper surface portion 3b that connects the upper ends of 3c. An opening 3a1 extending in the lateral direction is provided between the pair of bottom surface portions 3a. The upper surface portion 3b of the upper trunk edge 3 has a flat plate shape without a hole. A fixing hole 3 c 1 for fixing to the support column 2 is provided in the side surface portion 3 c of the upper trunk edge 3. As shown in FIG. 4, in the state where the bottom surface portion 3 a of the upper trunk edge 3 is supported from below by the upper end 2 a 2 of the inner surface portion 2 a of the support column 2, The fixing hole 2c1 of the side surface part 2c is fixed with a bolt 7.

下胴縁4は、図5に示すように、水平方向に延びる角筒状を成し、おおよそ上胴縁3を上下反転させた構成を有している。具体的に、下胴縁4は、フェンス厚さ方向に対向する一対の側面部4cと、一対の側面部4cの上端からフェンス厚さ方向内側に延びる一対の上面部4aと、一対の側面部4cの下端同士を連結する底面部4bとを備える。一対の上面部4aの間には、横方向に延びる開口部4a1が設けられる。下胴縁4の底面部4bには、横方向に離間した複数箇所に設けられた水抜き穴4b1と、横方向端部付近に設けられた固定穴4b2とが設けられる。下胴縁4の側面部4cは、穴の無い平板状を成している。下胴縁4の横方向の寸法は、上胴縁3よりも若干短く、一対の支柱2の間隔よりも僅かに小さい。図6に示すように、下胴縁4の底面部4bがL字金具8の水平部8aに固定され、支柱2の内面部2aがL字金具8の垂直部8bに固定される。これにより、下胴縁4の端部が、L字金具8を介して支柱2に固定される。   As shown in FIG. 5, the lower trunk edge 4 has a rectangular tube shape extending in the horizontal direction, and has a configuration in which the upper trunk edge 3 is roughly inverted up and down. Specifically, the lower trunk edge 4 includes a pair of side surface portions 4c facing in the fence thickness direction, a pair of upper surface portions 4a extending inward in the fence thickness direction from the upper ends of the pair of side surface portions 4c, and a pair of side surface portions. And a bottom surface portion 4b for connecting the lower ends of 4c. An opening 4a1 extending in the lateral direction is provided between the pair of upper surface portions 4a. The bottom surface portion 4b of the lower trunk edge 4 is provided with drain holes 4b1 provided at a plurality of locations separated in the lateral direction and fixing holes 4b2 provided near the lateral end portions. The side surface portion 4c of the lower trunk edge 4 has a flat plate shape without a hole. The lateral dimension of the lower trunk edge 4 is slightly shorter than the upper trunk edge 3 and slightly smaller than the distance between the pair of struts 2. As shown in FIG. 6, the bottom surface portion 4 b of the lower trunk edge 4 is fixed to the horizontal portion 8 a of the L-shaped metal fitting 8, and the inner surface portion 2 a of the support column 2 is fixed to the vertical portion 8 b of the L-shaped metal fitting 8. Thereby, the end of the lower trunk edge 4 is fixed to the support column 2 via the L-shaped metal fitting 8.

ひし形金網5は、図7に示すように、ジグザグ状に屈曲しながら横方向に延びる複数の列線5aで構成される。各列線5aの屈曲部5a1は、隣接する列線5aの屈曲部5a1と縦方向に係合している。ひし形金網5の横方向両端部では、図8に示すように、隣接する列線5aの端部が、互いに交差した状態で略180°折り返され、これにより列線5aの端部同士の結合部Pが形成される(このような結合部Pを「完全ナックル」と言う)。このように、隣接する列線5aの端部同士を結合することで、施工時等にひし形金網5を伸縮させる際に列線5a同士が外れることがなく、扱いやすい。   As shown in FIG. 7, the rhombus wire mesh 5 is composed of a plurality of column lines 5a extending in the lateral direction while being bent in a zigzag shape. The bent portion 5a1 of each column line 5a is engaged with the bent portion 5a1 of the adjacent column line 5a in the vertical direction. As shown in FIG. 8, at the both ends in the lateral direction of the rhombus metal mesh 5, the end portions of the adjacent column lines 5a are folded back approximately 180 ° in a state of crossing each other, thereby joining the end portions of the column lines 5a. P is formed (such a joint P is referred to as a “complete knuckle”). In this way, by joining the ends of the adjacent column lines 5a, the column lines 5a are not detached when the rhombus wire mesh 5 is expanded and contracted at the time of construction or the like, which is easy to handle.

図7に示すように、ひし形金網5の網目の横方向のピッチL1は、縦方向のピッチL2よりも短い。具体的には、網目の横方向のピッチL1と縦方向のピッチL2との比L2/L1が1.5以上、好ましくは2以上とされる。このように、網目の横方向のピッチL1を小さくして網目を縦長形状にすることで、人の足が入りにくくなり、人がネットフェンスに上ることを防止できる。このとき、網目の横方向のピッチL1及び縦方向のピッチL2を共に小さくすると、列線5aの使用量が増えて、コスト及び重量が増大するため、横方向のピッチL1を小さくすると同時に、縦方向のピッチL2を大きくすることが好ましい。本実施形態では、各列線5aが横方向に延びているため、各列線5aの屈曲部5a1のピッチ(山−山間あるいは谷−谷間のピッチ)は、網目の横方向のピッチL1と等しい。従って、上記のようにひし形金網5の網目の縦方向のピッチL2を大きくした場合でも、各列線5aの屈曲部5a1のピッチは小さいため、既存の装置を用いて列線5aを屈曲成形することができる。   As shown in FIG. 7, the horizontal pitch L1 of the mesh of the rhombus metal mesh 5 is shorter than the vertical pitch L2. Specifically, the ratio L2 / L1 between the horizontal pitch L1 and the vertical pitch L2 of the mesh is 1.5 or more, preferably 2 or more. Thus, by making the pitch L1 in the horizontal direction of the mesh small and making the mesh vertically long, it becomes difficult for a person's foot to enter and it is possible to prevent the person from climbing the net fence. At this time, if both the horizontal pitch L1 and the vertical pitch L2 of the mesh are reduced, the amount of use of the column lines 5a is increased, and the cost and weight are increased. It is preferable to increase the direction pitch L2. In the present embodiment, since each column line 5a extends in the horizontal direction, the pitch (between mountain-mountain or valley-valley pitch) of the bent portion 5a1 of each column line 5a is equal to the horizontal pitch L1 of the mesh. . Accordingly, even when the pitch L2 in the longitudinal direction of the mesh of the rhombus metal mesh 5 is increased as described above, the pitch of the bent portions 5a1 of each column line 5a is small, so that the column line 5a is bent using an existing apparatus. be able to.

ひし形金網5の上端には、係合部材を介して上胴縁3が取り付けられる。係合部材としては、例えば図9(A)(B)に示すようなコイル6が用いられる。コイル6は、螺旋状に巻回した鋼線からなる。コイル6のピッチは、ひし形金網5の列線5aの屈曲部5a1のピッチと等しい。コイル6のフェンス厚さ方向の幅は、上胴縁3の開口部3a1の幅よりも大きい。コイル6が、ひし形金網5の上端の列線5aの屈曲部5a1に挿通されると共に、上胴縁3の底面部3aと上下方向で係合することで、ひし形金網5がコイル6を介して上胴縁3に吊り下げ保持される。   The upper trunk edge 3 is attached to the upper end of the rhombus metal mesh 5 via an engaging member. As the engaging member, for example, a coil 6 as shown in FIGS. 9A and 9B is used. The coil 6 is made of a steel wire wound spirally. The pitch of the coils 6 is equal to the pitch of the bent portions 5 a 1 of the column lines 5 a of the rhombus metal mesh 5. The width of the coil 6 in the fence thickness direction is larger than the width of the opening 3 a 1 of the upper trunk edge 3. The coil 6 is inserted into the bent portion 5 a 1 of the row line 5 a at the upper end of the rhombus metal mesh 5 and is engaged with the bottom surface portion 3 a of the upper trunk edge 3 in the vertical direction so that the rhombus metal mesh 5 is interposed via the coil 6. It is suspended and held on the upper trunk edge 3.

ひし形金網5の下端には、係合部材を介して下胴縁4が取り付けられる。本実施形態では、ひし形金網5の下端と下胴縁4とが、係合部材としてのコイル6を介して取り付けられる(図10参照)。ひし形金網5の下端と下胴縁4との取り付け構造の詳細は、図9(A)(B)に示すひし形金網5の上端と上胴縁3との取付構造と同様であるため、説明を省略する。   The lower trunk edge 4 is attached to the lower end of the rhombus metal mesh 5 via an engaging member. In the present embodiment, the lower end of the rhombus metal mesh 5 and the lower trunk edge 4 are attached via a coil 6 as an engaging member (see FIG. 10). The details of the attachment structure between the lower end of the rhombus metal mesh 5 and the lower trunk edge 4 are the same as the attachment structure between the upper end of the rhombus metal mesh 5 and the upper trunk edge 3 shown in FIGS. 9 (A) and 9 (B). Omitted.

ひし形金網5の横方向両端は、支柱2に取り付けられる。本実施形態では、図8に示すように、ひし形金網5の横方向両端に設けられた列線5aの端部同士の結合部P(完全ナックル)が、支柱2の内部に収容されている。そして、支柱2の上下方向中間部にフェンス厚さ方向にボルト7が挿通され、このボルト7が列線5aの端部同士の結合部Pの横方向内側に配される。このボルト7と結合部Pとが横方向に係合することで、ひし形金網の横方向両端が支柱2に固定される。   Both lateral ends of the rhombus metal mesh 5 are attached to the support column 2. In the present embodiment, as shown in FIG. 8, connecting portions P (complete knuckles) between the ends of the column lines 5 a provided at both ends in the lateral direction of the rhombus metal mesh 5 are accommodated inside the column 2. And the bolt 7 is penetrated by the fence thickness direction at the up-down direction intermediate part of the support | pillar 2, and this bolt 7 is distribute | arranged inside the horizontal direction inside the connection part P of the edge parts of the row line 5a. The bolt 7 and the coupling portion P are engaged in the lateral direction, whereby both lateral ends of the rhombus metal mesh are fixed to the column 2.

次に、ネットフェンス1の製造方法(施工方法)を説明する。   Next, the manufacturing method (construction method) of the net fence 1 will be described.

まず、金網製造工場において、図11(A)に示すように、所定の幅方向寸法及び長手方向寸法を有するひし形金網5を形成する。ひし形金網5は、網目の幅方向寸法L1が長手方向寸法L2よりも小さい(図7参照)。この場合、各列線5aのピッチが小さくなるため、既存の装置を用いて、縦長の網目を有するひし形金網5を成形することができる。また、この装置により、ひし形金網5の幅方向両端に、列線5a同士の結合部P(図8参照)が形成される。   First, as shown in FIG. 11 (A), a diamond wire mesh 5 having predetermined width direction dimensions and longitudinal direction dimensions is formed in a wire mesh manufacturing factory. The rhombus wire mesh 5 has a mesh width direction dimension L1 smaller than a longitudinal direction dimension L2 (see FIG. 7). In this case, since the pitch of each column line 5a becomes small, the rhombus metal mesh 5 having a vertically long mesh can be formed using an existing apparatus. In addition, by this apparatus, the connecting portions P (see FIG. 8) between the column lines 5a are formed at both ends in the width direction of the rhombus metal mesh 5.

次に、図11(B)に示すように、ひし形金網5の長手方向両端に上胴縁3及び下胴縁4を取り付けて、伸縮パネル10を形成する。具体的には、図9及び図10に示すように、ひし形金網5の長手方向両端の列線5aの屈曲部5a1にコイル6を挿通し、各コイル6を上胴縁3及び下胴縁4の内周に挿入することで、ひし形金網5の長手方向両端に上胴縁3及び下胴縁4が取り付けられる。   Next, as shown in FIG. 11 (B), the upper trunk edge 3 and the lower trunk edge 4 are attached to both ends of the rhombus wire mesh 5 in the longitudinal direction to form the stretchable panel 10. Specifically, as shown in FIGS. 9 and 10, the coils 6 are inserted into the bent portions 5 a 1 of the row lines 5 a at both ends in the longitudinal direction of the rhombus metal mesh 5, and each coil 6 is connected to the upper trunk edge 3 and the lower trunk edge 4. The upper body edge 3 and the lower body edge 4 are attached to both ends of the rhombus wire mesh 5 in the longitudinal direction.

本実施形態では、ひし形金網5の幅方向(列線5aの延在方向)と、胴縁3,4の延在方向とが平行であるため、図11(C)に示すように、ひし形金網5を長手方向に縮めながら胴縁3,4を接近させて、伸縮パネル10をコンパクトに収納することができる。これにより、伸縮パネル10の輸送時や保管時のスペースが縮小されるため、輸送コスト及び保管コストを低減することができる。   In this embodiment, since the width direction of the rhombus metal mesh 5 (extending direction of the row line 5a) and the extending direction of the trunk edges 3 and 4 are parallel, as shown in FIG. The telescopic panel 10 can be accommodated in a compact manner by bringing the body edges 3 and 4 closer to each other while shrinking 5 in the longitudinal direction. Thereby, since the space at the time of transportation and storage of the elastic panel 10 is reduced, the transportation cost and the storage cost can be reduced.

次に、施工現場において、設置面に複数の支柱2を立設する。本実施形態では、図12に示すように、複数のネットフェンス1が横方向に連結して使用される。この場合、複数のネットフェンス1の連結部に設けられる支柱2は、図2(C)に点線で示すように、外面部2b同士がリベット等により結合される。複数のネットフェンス1の両端に設けられる支柱2は、単体で使用される。   Next, a plurality of support columns 2 are erected on the installation surface at the construction site. In the present embodiment, as shown in FIG. 12, a plurality of net fences 1 are connected in the horizontal direction. In this case, as for the support | pillar 2 provided in the connection part of the some net fence 1, outer surface part 2b is couple | bonded by a rivet etc. as shown with a dotted line in FIG.2 (C). The support | pillar 2 provided in the both ends of the some net fence 1 is used alone.

そして、伸縮パネル10を上下に引き延ばして展開しながら、上胴縁3を一対の支柱2の上部に仮置きする。具体的には、図9(A)に示すように、支柱2の一対の側面部2cの間に上胴縁3の端部を嵌め込みながら、支柱2の内面部2aの上端2a2(支持部)の上に上胴縁3の底面部3aを載置する。このとき、上胴縁3のうち、ひし形金網5のフェンス厚さ方向両側に設けられた底面部3aが、支柱2の内面部2aの上端2a2で支持されるため、上胴縁3が安定した状態で支持される。特に、図示例では、上胴縁3が、支柱2の側面部2cの間に嵌まり込むことで、上胴縁3がフェンス厚さ方向で位置決めされるため、上胴縁3がより一層安定した状態で支持される。このように、本実施形態では、上胴縁3を、一対の支柱2の上部に載置するだけで、伸縮パネルを一対の支柱2に容易かつ安定的に仮置きすることができる。   Then, the upper trunk edge 3 is temporarily placed on top of the pair of support columns 2 while the elastic panel 10 is extended up and down and deployed. Specifically, as shown in FIG. 9A, the upper end 2a2 (supporting portion) of the inner surface portion 2a of the support column 2 is fitted while the end portion of the upper trunk edge 3 is fitted between the pair of side surface portions 2c of the support column 2. The bottom portion 3a of the upper trunk edge 3 is placed on the top. At this time, since the bottom surface portions 3a provided on both sides of the rhombus metal mesh 5 in the fence thickness direction are supported by the upper end 2a2 of the inner surface portion 2a of the support column 2, the upper body edge 3 is stabilized. Supported in state. In particular, in the illustrated example, the upper trunk edge 3 is positioned in the fence thickness direction by fitting the upper trunk edge 3 between the side surface portions 2c of the support column 2, so that the upper trunk edge 3 is further stable. It is supported in the state. As described above, in the present embodiment, the elastic panel can be easily and stably temporarily placed on the pair of struts 2 simply by placing the upper trunk edge 3 on top of the pair of struts 2.

こうして上胴縁3を支柱2の上部に仮置きした状態で、上胴縁3を支柱2の上部にボルト7で固定する(図4参照)。その後、下胴縁4を、L字金具8を介して、支柱2の下部にボルト7で固定する(図6及び図10参照)。このとき、下胴縁4を下方に引き下げて、ひし形金網5を下方に引っ張った状態で、下胴縁4を支柱2に固定することで、ひし形金網5をきれいに張ることができる。   In this manner, with the upper trunk edge 3 temporarily placed on the upper part of the column 2, the upper trunk edge 3 is fixed to the upper part of the column 2 with the bolt 7 (see FIG. 4). Thereafter, the lower trunk edge 4 is fixed to the lower portion of the support column 2 with the bolt 7 via the L-shaped metal fitting 8 (see FIGS. 6 and 10). At this time, the rhombus metal mesh 5 can be neatly stretched by fixing the lower drum edge 4 to the support column 2 while lowering the lower drum edge 4 downward and pulling the rhombus metal mesh 5 downward.

その後、支柱2の内部に挿入されたひし形金網5の横方向両端部を、支柱2に固定する。本実施形態では、図8に示すように、支柱2をフェンス厚さ方向に貫通するボルト7を設け、このボルト7と、ひし形金網5の列線5aの端部同士の結合部P(完全ナックル)とを横方向で係合させることで、ひし形金網5の横方向端部が支柱2に固定される。以上により、ネットフェンス1が完成する。   Thereafter, both ends in the lateral direction of the rhombus metal mesh 5 inserted into the support 2 are fixed to the support 2. In this embodiment, as shown in FIG. 8, a bolt 7 that penetrates the support column 2 in the fence thickness direction is provided, and a connecting portion P (complete knuckle) between this bolt 7 and the ends of the row wire 5 a of the rhombus metal mesh 5. ) In the lateral direction, the lateral end of the rhombus metal mesh 5 is fixed to the column 2. Thus, the net fence 1 is completed.

本発明は上記の実施形態に限られない。例えば、ひし形金網5の上端と上胴縁3とを結合する係合部材は、上記のコイル6に限られない。例えば、係合部材として、図13(A)(B)に示すように、横方向に延びる棒材11と、横方向複数箇所に設けられたボルト12とを用いることができる。棒材11は、ひし形金網5の上端の列線5aに挿通され、この列線5aを下方から支持する。ボルト12は、上胴縁3をフェンス厚さ方向に貫通し、棒材11を下方から支持する。これにより、ひし形金網5の上端が、棒材11及びボルト12を介して、上胴縁3に取り付けられる。   The present invention is not limited to the above embodiment. For example, the engaging member that connects the upper end of the rhombus metal mesh 5 and the upper trunk edge 3 is not limited to the coil 6 described above. For example, as shown in FIGS. 13A and 13B, a bar 11 extending in the horizontal direction and bolts 12 provided at a plurality of positions in the horizontal direction can be used as the engaging member. The bar 11 is inserted through the row line 5a at the upper end of the rhombus 5 and supports the row line 5a from below. The bolt 12 penetrates the upper trunk edge 3 in the fence thickness direction, and supports the bar 11 from below. Thereby, the upper end of the rhombus metal mesh 5 is attached to the upper trunk edge 3 via the bar 11 and the bolt 12.

また、上記の実施形態では、ひし形金網5の網目が縦長形状である場合を示したが、これに限らず、例えば、各編目を略正方形としてもよい。   In the above-described embodiment, the case where the mesh of the rhombus metal mesh 5 has a vertically long shape is shown. However, the present invention is not limited thereto, and for example, each stitch may be a substantially square.

1 ネットフェンス
2 支柱
2a 内面部
2a2 上端(支持部)
3 上側の胴縁(上胴縁)
4 下側の胴縁(下胴縁)
5 ひし形金網
5a 列線
6 コイル(係合部材)
1 Net fence 2 Post 2a Inner surface 2a2 Upper end (support)
3 Upper trunk edge (upper trunk edge)
4 Lower trunk edge (lower trunk edge)
5 Diamond wire mesh 5a Row 6 Coil (engagement member)

Claims (5)

一対の支柱と、前記一対の支柱の間に掛け渡され、上下方向に離間して設けられた一対の胴縁と、上端及び下端が前記一対の胴縁に取り付けられ、ジグザグ状に屈曲しながら前記胴縁の延在方向に延びる複数の列線の屈曲部同士を、前記支柱の延在方向に互いに係合させてなるひし形金網とを備えたネットフェンスであって、
前記ひし形金網の上端に取り付けられた上側の胴縁が、前記ひし形金網の厚さ方向両側において、前記支柱により下方から支持され、
前記ひし形金網の下端に取り付けられた下側の胴縁の長さが前記上側の胴縁よりも短く、前記上側の胴縁の両端が前記下側の胴縁よりも外側に配され
前記一対の支柱が、互いに対向する面に上下方向に延びる開口部を有する角筒状を成し、
前記ひし形金網を下方に引っ張った状態で、前記支柱の開口部に挿通されたボルトを介して、前記下側の胴縁と前記支柱とを上下方向で係合することなく固定し、
前記ひし形金網の列線の端部同士の結合部が、前記支柱の開口部に挿入されて前記支柱の内部に収容されたネットフェンス。
A pair of struts, a pair of trunk edges spanned between the pair of struts and spaced apart in the vertical direction, and upper and lower ends are attached to the pair of trunk edges and bent in a zigzag shape A net fence comprising a rhombus wire mesh formed by engaging bent portions of a plurality of row lines extending in the extending direction of the trunk edge with each other in the extending direction of the support column,
The upper trunk edge attached to the upper end of the rhombus metal mesh is supported from below by the columns on both sides in the thickness direction of the rhombus metal mesh,
The length of the lower trunk edge attached to the lower end of the rhombus metal mesh is shorter than the upper trunk edge, and both ends of the upper trunk edge are arranged outside the lower trunk edge ,
The pair of struts form a rectangular tube shape having openings that extend in the vertical direction on opposite surfaces,
In a state where the diamond wire mesh is pulled downward, the lower trunk edge and the support column are fixed in the vertical direction through the bolt inserted through the opening of the support column,
A net fence in which ends of row lines of the rhombus metal mesh are inserted into the opening of the support and are accommodated in the support .
前記支柱が、前記厚さ方向で対向する一対の側面部を有し、前記支柱の一対の胴縁の間に、前記上側の胴縁の端部が嵌まり込んだ請求項1に記載のネットフェンス。   2. The net according to claim 1, wherein the support column has a pair of side portions opposed to each other in the thickness direction, and an end portion of the upper trunk edge is fitted between the pair of trunk edges of the support column. fence. 前記ひし形金網の網目の前記胴縁の延在方向のピッチが、前記支柱の延在方向のピッチよりも小さい請求項1又は2に記載のネットフェンス。   The net fence according to claim 1 or 2, wherein a pitch in the extending direction of the trunk edge of the mesh of the rhombus metal mesh is smaller than a pitch in the extending direction of the support column. 前記ひし形金網のうち、前記一対の支柱と前記一対の胴縁とで囲まれた領域に、前記胴縁の延在方向に直線状に延びる張線が設けられていない請求項1〜3の何れか1項に記載のネットフェンス。   Any one of claims 1 to 3, wherein a tension wire extending linearly in the extending direction of the trunk edge is not provided in a region surrounded by the pair of struts and the pair of trunk edges in the rhombus metal mesh. The net fence according to item 1. ジグザグ状に屈曲しながら所定方向に延びる複数の列線の屈曲部同士を互いに係合させてなるひし形金網を形成する工程と、前記ひし形金網の両端の列線に、各列線の延在方向に延びる一対の胴縁を取り付ける工程と、前記ひし形金網を平面状に展開しながら、一対の支柱の上部に、前記ひし形金網の上端に取り付けられた上側の胴縁を仮置きする工程と、前記一対の胴縁の両端を前記一対の支柱に固定する工程とを備えたネットフェンスの製造方法であって、
前記ひし形金網の下端に取り付けられた下側の胴縁の長さが前記上側の胴縁よりも短く、前記上側の胴縁の両端が前記下側の胴縁よりも外側に配され、
前記一対の支柱が、互いに対向する面に上下方向に延びる開口部を有する角筒状を成し、
前記上側の胴縁のうち、前記ひし形金網の厚さ方向両側を、前記支柱により下方から支持することにより、前記上側の胴縁を前記一対の支柱の上部に仮置きした後、
前記ひし形金網の列線の端部同士の結合部を前記支柱の開口部に挿入して前記支柱の内部に収容すると共に、前記ひし形金網を下方に引っ張った状態で、前記支柱の開口部に挿通されたボルトを介して、前記下側の胴縁と前記支柱とを上下方向で係合することなく固定するネットフェンスの製造方法。
A step of forming a rhombus wire mesh by engaging bent portions of a plurality of column lines extending in a predetermined direction while being bent in a zigzag shape, and an extending direction of each row line on the column lines at both ends of the rhombus wire mesh A step of attaching a pair of trunk edges extending to the top, a step of temporarily placing an upper trunk edge attached to an upper end of the rhombus metal mesh on top of a pair of struts while expanding the rhombus metal mesh in a plane, and A method of manufacturing a net fence comprising a step of fixing both ends of a pair of trunk edges to the pair of struts,
The length of the lower trunk edge attached to the lower end of the rhombus metal mesh is shorter than the upper trunk edge, and both ends of the upper trunk edge are arranged outside the lower trunk edge,
The pair of struts form a rectangular tube shape having openings that extend in the vertical direction on opposite surfaces,
After temporarily placing the upper trunk edge on the upper part of the pair of pillars by supporting both sides in the thickness direction of the rhombus metal mesh from below by the pillars among the upper trunk edges ,
The connecting portion between the ends of the row lines of the rhombus wire mesh is inserted into the opening portion of the support column to be accommodated in the support column, and is inserted into the opening portion of the support column while the diamond wire mesh is pulled downward. A method for manufacturing a net fence, in which the lower trunk edge and the support column are fixed to each other without being engaged in the vertical direction via the bolts .
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