JP2016150630A - Wire support structure - Google Patents

Wire support structure Download PDF

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JP2016150630A
JP2016150630A JP2015028250A JP2015028250A JP2016150630A JP 2016150630 A JP2016150630 A JP 2016150630A JP 2015028250 A JP2015028250 A JP 2015028250A JP 2015028250 A JP2015028250 A JP 2015028250A JP 2016150630 A JP2016150630 A JP 2016150630A
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pair
beams
plane portion
support structure
connecting material
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JP6404141B2 (en
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孝洋 根本
Takahiro Nemoto
孝洋 根本
鈴木　英明
Hideaki Suzuki
英明 鈴木
五十嵐　秀夫
Hideo Igarashi
秀夫 五十嵐
裕司 猿田
Yuji Saruta
裕司 猿田
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East Japan Railway Co
Nippon Engineering Co Ltd
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East Japan Railway Co
Sumikei Nikkei Engineering Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a wire support structure capable of suppressing generation of a recess on an outside surface of a beam even when the length of a wire beam itself increases and a large load is applied to the wire beam according to the increase.SOLUTION: A wire support structure comprises: a pair of columns; a pair of beams 12 arranged at an interval in a vertical direction and bridged between the pair of columns, respectively; and a tie material 16 bridged between the pair of beams. The beam is formed in a cylindrical shape whose cross section orthogonal to a longitudinal direction is a closed cross section. The tie material is joined to the outside surfaces of the beams. Projections 18 projecting radially inward are formed on the inside surfaces of the beams, where the tie material is joined.SELECTED DRAWING: Figure 2

Description

本発明は、架線支持用構造物に関する。   The present invention relates to an overhead wire support structure.

鉄道の電力架線を支持する架線支持用構造物では、コンクリート製の支柱に鋼製の架線ビームを接続するものが一般的であった。軽量化を目的として、アルミニウム合金製の架線ビームを用いた架線支持用構造物が特許文献１に開示されている。   In the structure for supporting an overhead line for supporting a railway power overhead line, a steel overhead line beam is generally connected to a concrete pillar. For the purpose of weight reduction, Patent Document 1 discloses a structure for supporting an overhead wire using an overhead wire beam made of an aluminum alloy.

特許文献１に記載の架線支持用構造物は、一対の支柱と、上下方向に間隔をおいて一対に配設され、一対の支柱間にそれぞれ架け渡された梁と、を備える。これら一対の梁間には、繋ぎ材がジグザグ状に架け渡されて、トラス構造の架線ビームが形成される。前記梁および前記繋ぎ材が、アルミニウム合金により形成されている。   The overhead line supporting structure described in Patent Literature 1 includes a pair of support columns and a pair of beams arranged in a vertical direction with a space therebetween and spanned between the pair of support columns. Between the pair of beams, the connecting material is bridged in a zigzag manner to form an overhead beam having a truss structure. The beam and the connecting material are formed of an aluminum alloy.

特開２０１４−１５２５７９号公報JP 2014-152579 A

前記架線ビームは、複々線線路等のような多くの線路を跨ぐことを要求される場合がある。その場合、架線ビーム自体の長さが増大し、それに伴い架線ビームに大きな負荷が加わることになる。こうなると、架線ビームに加わる大きな負荷により繋ぎ材の接合端部が梁の外側面に押し込まれて、その部分が局所的に凹んでしまうおそれがある。   The overhead beam may be required to straddle many lines such as a double line. In that case, the length of the overhead beam itself increases, and accordingly, a large load is applied to the overhead beam. If it becomes like this, there exists a possibility that the junction end part of a joining material will be pushed in into the outer side surface of a beam by the big load added to an overhead wire, and the part may be dented locally.

そこで、本発明は、架線ビーム自体の長さが増大し、それに伴い架線ビームに大きな負荷が加わったとしても、梁の外側面における凹みの発生を抑制することができる架線支持用構造物を提供することを目的とする。   Therefore, the present invention provides an overhead wire support structure capable of suppressing the occurrence of dents on the outer surface of the beam even when the length of the overhead wire itself increases and a large load is applied to the overhead beam accordingly. The purpose is to do.

本発明に係る架線支持用構造物は、一対の支柱と、上下方向に間隔をおいて一対に配設され、前記一対の支柱間にそれぞれ架け渡された梁と、これら一対の梁間に架け渡された繋ぎ材と、を備える。前記梁は、長手方向に直交する断面が閉断面となる筒状に形成されており、前記梁の外側面に前記繋ぎ材が接合され、前記梁における前記繋ぎ材が接合された箇所の内側面に、径方向内側に向けて突出する凸部が形成されている。   An overhead wire support structure according to the present invention includes a pair of support columns, a pair of beams arranged in the vertical direction at intervals, and spanned between the pair of support columns, and a bridge between the pair of beams. A connected connecting material. The beam is formed in a cylindrical shape in which a cross section perpendicular to the longitudinal direction is a closed cross section, the joining material is joined to the outer side surface of the beam, and the inner side surface of the beam where the joining material is joined In addition, a convex portion that protrudes radially inward is formed.

前記梁における前記繋ぎ材が接合された箇所の内側面に凸部（補強用凸条）を形成することにより、架線ビーム自体の長さが増大し、それに伴い架線ビームに大きな負荷が加わったとしても、梁の外側面における凹みの発生を抑制することができる。   By forming convex portions (reinforcing ridges) on the inner side surface of the beam where the connecting material is joined, the length of the overhead beam itself increases, and as a result, a large load is applied to the overhead beam. Also, the occurrence of dents on the outer surface of the beam can be suppressed.

本発明の実施形態に係る架線支持用構造物の正面図である。It is a front view of the structure for supporting overhead wires according to the embodiment of the present invention. 図１のＡ−Ａ線による断面図である。It is sectional drawing by the AA line of FIG. 架線ビームの一部破断斜視図である。It is a partially broken perspective view of an overhead beam.

以下、本発明の実施形態を図面と共に詳述する。なお、図面において、矢印Ｘは左右方向（架線支持用構造物の横方向）を示し、矢印Ｙは前後方向（架線支持用構造物の前後方向）を示し、矢印Ｚは上下方向（架線支持用構造物の高さ方向）を示す。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the drawings, the arrow X indicates the left-right direction (lateral direction of the overhead line support structure), the arrow Y indicates the front-rear direction (front-rear direction of the overhead line support structure), and the arrow Z indicates the vertical direction (for overhead line support). The height direction of the structure is shown.

本実施形態に係る架線支持用構造物１０は、鉄道の電力架線を支持するものである。   The overhead line support structure 10 according to the present embodiment supports a power overhead line of a railway.

図１から図３に示すように、本実施形態に係る架線支持用構造物１０は、左右一対の支柱１１，１１と、上下方向Ｚに間隔をおいて一対に配設され、左右一対の支柱１１，１１間にそれぞれ架け渡された梁（横梁材）１２と、を備えている。   As shown in FIGS. 1 to 3, the overhead wire support structure 10 according to the present embodiment is provided with a pair of left and right support columns 11 and 11 and a pair of left and right support columns that are spaced apart in the vertical direction Z. 11 and 11 and a beam (transverse beam member) 12 bridged between 11 and 11, respectively.

支柱１１は、上下方向Ｚに沿って延在している。この支柱１１は、例えばコンクリート製のものであって、その上端部に梁１２が連結されている。なお、支柱１１は、コンクリート製のものに限定されず、アルミニウム合金製、鋼製や鉄製のものなどのコンクリート製以外のものであってもよい。   The support column 11 extends along the vertical direction Z. This support | pillar 11 is a thing made from concrete, for example, Comprising: The beam 12 is connected with the upper end part. In addition, the support | pillar 11 is not limited to the thing made from concrete, You may be things other than concrete, such as those made from aluminum alloy, steel, and iron.

梁１２は、アルミニウム合金製の押出形材により、長手方向に直交する断面が閉断面となる筒状（本実施形態では、円筒状）に形成されている。この梁１２が、連結部材１３によって、支柱１１に連結されている。なお、梁１２は、円筒状に形成されたものに限定されず、例えば角筒状に形成されたものであってもよい。   The beam 12 is formed in a cylindrical shape (cylindrical shape in the present embodiment) whose cross section perpendicular to the longitudinal direction is a closed cross section by an extruded shape made of aluminum alloy. The beam 12 is connected to the column 11 by a connecting member 13. The beam 12 is not limited to a cylindrical shape, and may be a rectangular tube shape, for example.

本実施形態に係る架線支持用構造物１０では、上下一対の梁１２，１２を構成する各梁１２は、連結部材１４と溶接とによって、梁１２の一部を構成するビーム材１５を長手方向に複数連結することにより形成されている。また、図１に示すように、上下一対の梁１２，１２のうち、上側の梁１２は、正面視でアーチ状に形成されており、下側の梁１２は、左右方向Ｘに沿って真直に延在する直線状に形成されている。   In the overhead line support structure 10 according to the present embodiment, the beams 12 constituting the pair of upper and lower beams 12 and 12 are connected to the beam member 15 constituting a part of the beam 12 by the connecting member 14 and welding in the longitudinal direction. Are connected to each other. Further, as shown in FIG. 1, of the pair of upper and lower beams 12, 12, the upper beam 12 is formed in an arch shape in front view, and the lower beam 12 is straight along the left-right direction X. It is formed in a straight line extending in the direction.

上下一対の梁１２，１２間には、繋ぎ材（ラチス材）１６がジグザグ状に架け渡されて、トラス構造の架線ビーム１７が形成されている。この繋ぎ材１６は、上下方向Ｚに沿って延在する垂直材と、上下方向Ｚに対して左右方向Ｘに傾斜した方向に延在する斜材との二種類がある。繋ぎ材１６は、アルミニウム合金製の押出形材により、長手方向に直交する断面が閉断面となる筒状（本実施形態では、角筒状）に形成されている。この繋ぎ材１６が、例えば溶接によって、梁１２に接合されている。なお、繋ぎ材１６は、角筒状に形成されたものに限定されず、例えば円筒状に形成されたものであってもよい。   Between the pair of upper and lower beams 12, 12, a connecting material (lattice material) 16 is bridged in a zigzag shape to form an overhead beam 17 having a truss structure. There are two types of the connecting material 16, that is, a vertical material extending along the vertical direction Z and an oblique material extending in a direction inclined in the left-right direction X with respect to the vertical direction Z. The connecting member 16 is formed of an extruded shape made of an aluminum alloy into a cylindrical shape (in this embodiment, a square cylindrical shape) whose cross section perpendicular to the longitudinal direction is a closed cross section. The connecting material 16 is joined to the beam 12 by welding, for example. In addition, the connecting material 16 is not limited to the one formed in a square tube shape, and may be formed in a cylindrical shape, for example.

図２および図３に示すように、梁１２の外側面に繋ぎ材１６が接合され、梁１２における繋ぎ材１６が接合された箇所の内側面に、径方向内側に向けて突出する凸部（補強用凸条）１８が形成されている。   As shown in FIG. 2 and FIG. 3, the connecting material 16 is joined to the outer surface of the beam 12, and a convex portion (inwardly projecting radially inward) on the inner surface of the beam 12 where the joining material 16 is joined. Reinforcing ridges) 18 are formed.

上下一対の梁１２，１２の外側面のうち、上側の梁１２の下部には、平面部（第一平面部）１９が形成されていると共に、下側の梁１２の上部には、平面部（第二平面部）２０が形成され、これらの第一平面部１９と第二平面部２０との間に、繋ぎ材１６が架け渡されている。第一平面部１９および第二平面部２０には、繋ぎ材１６の端部がそれぞれ突き合わされ、その突き合わせた部分を溶接することにより、繋ぎ材１６が梁１２に接合される。一方、上下一対の梁１２の内側面のうち、上側の梁１２の下部には、平面部（第三平面部）２１が形成されていると共に、下側の梁１２の上部には、平面部（第四平面部）２２が形成され、これらの第三平面部２１および第四平面部２２に、凸部１８がそれぞれ形成されている。   Of the outer surfaces of the pair of upper and lower beams 12, 12, a plane portion (first plane portion) 19 is formed in the lower portion of the upper beam 12, and a plane portion is formed in the upper portion of the lower beam 12. (Second plane portion) 20 is formed, and the connecting material 16 is bridged between the first plane portion 19 and the second plane portion 20. The first plane portion 19 and the second plane portion 20 are abutted with end portions of the joining material 16, and the joining material 16 is joined to the beam 12 by welding the joined portions. On the other hand, of the inner surfaces of the pair of upper and lower beams 12, a plane portion (third plane portion) 21 is formed in the lower portion of the upper beam 12, and a plane portion is formed in the upper portion of the lower beam 12. (Fourth plane portion) 22 is formed, and convex portions 18 are formed on the third plane portion 21 and the fourth plane portion 22, respectively.

本実施形態に係る架線支持用構造物１０では、凸部１８は、梁１２の長手方向と直交する直交方向（前後方向Ｙ）に間隔をおいて一対に配置され、梁１２の長手方向にそれぞれ延在するリブ（補強リブ）２３からなる。これら前後一対のリブ２３，２３は、梁１２の全長に亘って形成されている。また、リブ２３は、梁１２に一体的に設けられている。前後一対のリブ２３，２３間の間隔Ｐ（図２参照）は、前記直交方向（前後方向Ｙ）に対する繋ぎ材１６の幅と等しい。   In the overhead line support structure 10 according to the present embodiment, the protrusions 18 are arranged in pairs in the orthogonal direction (front-rear direction Y) orthogonal to the longitudinal direction of the beam 12, and are respectively disposed in the longitudinal direction of the beam 12. It consists of extending ribs (reinforcing ribs) 23. The pair of front and rear ribs 23 and 23 are formed over the entire length of the beam 12. The rib 23 is provided integrally with the beam 12. A distance P (see FIG. 2) between the pair of front and rear ribs 23 and 23 is equal to the width of the connecting member 16 with respect to the orthogonal direction (front-rear direction Y).

また、前後一対のリブ２３，２３のうち、前側のリブ２３に繋ぎ材１６の前壁部１６ａの前後方向Ｙ位置をほぼ一致させ、後側のリブ２３に繋ぎ材１６の後壁部１６ｂの前後方向Ｙ位置をほぼ一致させた状態で、繋ぎ材１６が梁１２に接合されている。   Further, of the pair of front and rear ribs 23, 23, the front wall 16 a of the front wall portion 16 a of the connecting material 16 is substantially aligned with the front rib 23, and the rear wall 23 of the rear wall 16 b of the connecting material 16 is aligned with the rear rib 23. The connecting material 16 is joined to the beam 12 in a state where the front and rear direction Y positions are substantially matched.

さらに、梁１２の長手方向に直交する断面のうち、梁１２の前後両側部分（前後方向Ｙに向いている部分）には、厚肉部２４が形成されており、梁１２が補強されている。これは、梁１２の上下部分は繋ぎ材１６およびリブ２３によって補強されているのに対して、梁１２の左右両側部分は補強されていないため、その部分を補強したものである。厚肉部２４は、梁１２の径方向内側に膨らんで厚く形成されている。   Further, in the cross section orthogonal to the longitudinal direction of the beam 12, thick portions 24 are formed at both front and rear side portions (portions facing the front-rear direction Y) of the beam 12, and the beam 12 is reinforced. . This is because the upper and lower parts of the beam 12 are reinforced by the connecting material 16 and the ribs 23, but the left and right side parts of the beam 12 are not reinforced, so that part is reinforced. The thick part 24 swells radially inward of the beam 12 and is formed thick.

以下に、本実施形態による作用効果を説明する。   Below, the effect by this embodiment is demonstrated.

（１）本実施形態に係る架線支持用構造物１０は、一対の支柱１１，１１と、上下方向に間隔をおいて一対に配設され、一対の支柱１１，１１間にそれぞれ架け渡された梁１２と、これら一対の梁１２，１２間に架け渡された繋ぎ材１６と、を備える。梁１２は、長手方向に直交する断面が閉断面となる筒状に形成されており、梁１２の外側面に繋ぎ材１６が接合され、梁１２における繋ぎ材１６が接合された箇所の内側面に、径方向内側に向けて突出する凸部１８が形成されている。   (1) The overhead wire support structure 10 according to the present embodiment is disposed in a pair with a pair of support columns 11 and 11 spaced apart in the vertical direction, and is spanned between the pair of support columns 11 and 11. A beam 12 and a connecting member 16 bridged between the pair of beams 12 and 12 are provided. The beam 12 is formed in a cylindrical shape in which a cross section perpendicular to the longitudinal direction is a closed cross section, and a connecting material 16 is bonded to the outer surface of the beam 12, and an inner surface of the beam 12 where the connecting material 16 is bonded. In addition, a projection 18 is formed that protrudes radially inward.

梁１２における繋ぎ材１６が接合された箇所の内側面に凸部（補強用凸条）１８を形成することにより、架線ビーム１７自体の長さが増大し、それに伴い架線ビーム１７に大きな負荷が加わったとしても、梁１２の外側面における凹みの発生を抑制することができる。   By forming the convex portion (reinforcing ridge) 18 on the inner side surface of the beam 12 where the connecting material 16 is joined, the length of the overhead beam 17 itself increases, and accordingly, a heavy load is applied to the overhead beam 17. Even if added, the occurrence of dents on the outer surface of the beam 12 can be suppressed.

（２）本実施形態に係る架線支持用構造物１０では、一対の梁１２，１２の外側面のうち、上側の梁１２の下部には、第一平面部１９が形成されていると共に、下側の梁１２の上部には、第二平面部２０が形成され、これらの第一平面部１９および第二平面部２０に、繋ぎ材１６の端部が接合されている。一方、一対の梁１２，１２の内側面のうち、上側の梁１２の下部には、第三平面部２１が形成されていると共に、下側の梁１２の上部には、第四平面部２２が形成され、これらの第三平面部２１および第四平面部２２に、凸部１８が形成されている。   (2) In the overhead line support structure 10 according to the present embodiment, the first plane portion 19 is formed at the lower portion of the upper beam 12 among the outer surfaces of the pair of beams 12, 12. A second plane portion 20 is formed on the upper side of the beam 12 on the side, and the end portions of the connecting material 16 are joined to the first plane portion 19 and the second plane portion 20. On the other hand, of the inner surfaces of the pair of beams 12, 12, a third plane portion 21 is formed at the lower portion of the upper beam 12, and a fourth plane portion 22 is formed at the upper portion of the lower beam 12. Are formed, and the convex portions 18 are formed on the third plane portion 21 and the fourth plane portion 22.

梁１２の外側面に平面部１９，２０が形成されていることにより、繋ぎ材１６を容易に且つ強固に梁１２に対して接合することができる。そして、梁１２の内側面に平面部２１，２２を設けると共に、この平面部２１，２２に凸部１８を形成することにより、梁１２に加わる荷重を凸部１８が効率よく支持するため、梁１２の外側面における凹みの発生をさらに効率よく抑制することができる。   Since the flat portions 19 and 20 are formed on the outer surface of the beam 12, the connecting material 16 can be easily and firmly joined to the beam 12. Further, the flat portions 21 and 22 are provided on the inner surface of the beam 12 and the convex portions 18 are formed on the flat portions 21 and 22 so that the convex portion 18 efficiently supports the load applied to the beam 12. Generation | occurrence | production of the dent in the outer surface of 12 can be suppressed further efficiently.

（３）本実施形態に係る架線支持用構造物１０では、凸部１８は、梁１２の長手方向と直交する直交方向に間隔をおいて一対に配置され、梁１２の長手方向にそれぞれ延在するリブ２３からなる。これら一対のリブ２３，２３間の間隔Ｐは、前記直交方向に対する繋ぎ材１６の幅と等しい。   (3) In the overhead wire support structure 10 according to the present embodiment, the protrusions 18 are arranged in pairs in the orthogonal direction orthogonal to the longitudinal direction of the beam 12 and extend in the longitudinal direction of the beam 12. It consists of a rib 23. The interval P between the pair of ribs 23 is equal to the width of the connecting member 16 in the orthogonal direction.

一対のリブ２３，２３間の間隔Ｐを繋ぎ材１６の幅寸法と揃えることにより、梁１２に加わる荷重をリブ２３が効率よく支持するため、梁１２の外側面における凹みの発生をさらに効率よく抑制することができる。   By aligning the distance P between the pair of ribs 23 and 23 with the width dimension of the connecting member 16, the rib 23 efficiently supports the load applied to the beam 12, and therefore, the generation of the dent on the outer surface of the beam 12 is more efficiently performed. Can be suppressed.

（４）本実施形態に係る架線支持用構造物１０では、梁１２および繋ぎ材１６は、アルミニウム合金製の押出形材から形成される。   (4) In the overhead wire support structure 10 according to the present embodiment, the beam 12 and the connecting member 16 are formed from an extruded shape member made of an aluminum alloy.

これにより、これらの各部材を鋼材からなるものとした場合と比較すると、架線ビーム１７全体を軽量化することが可能になる。また、これらの各部材の寸法精度を高めることができ、架線ビーム１７の支柱１１への取付を容易かつ正確に行うことができると共に、優れた耐食性および外観を得ることができる。さらに、アルミニウム合金はリサイクル性に比較的優れているため、架線支持用構造物１０の撤去後に梁１２および繋ぎ材１６の材料を再利用することができる。そして、これらの各部材を押出形材（中空押出形材）からなるものとしたことにより、凸部１８（リブ２３）などを一体でかつ容易に形成することができると共に、凸部１８（リブ２３）などの寸法精度を高めることができる。   Thereby, compared with the case where each of these members is made of steel, the entire overhead beam 17 can be reduced in weight. In addition, the dimensional accuracy of each member can be increased, and the overhead beam 17 can be easily and accurately attached to the column 11, and excellent corrosion resistance and appearance can be obtained. Furthermore, since the aluminum alloy is relatively excellent in recyclability, the material of the beam 12 and the connecting material 16 can be reused after the overhead wire support structure 10 is removed. And since each of these members is made of an extruded profile (hollow extruded profile), the convex portion 18 (rib 23) and the like can be formed integrally and easily, and the convex portion 18 (rib) 23) and the like can be improved.

ところで、本発明の架線支持用構造物は前述の実施形態に例をとって説明したが、この実施形態に限ることなく本発明の要旨を逸脱しない範囲で他の実施形態を各種採用することができる。   By the way, although the overhead wire support structure of the present invention has been described by taking the above-described embodiment as an example, the present invention is not limited to this embodiment, and various other embodiments can be adopted without departing from the gist of the present invention. it can.

１０ 架線支持用構造物
１１ 支柱
１２ 梁
１６ 繋ぎ材
１７ 架線ビーム
１８ 凸部
１９ 第一平面部
２０ 第二平面部
２１ 第三平面部
２２ 第四平面部
２３ リブ
DESCRIPTION OF SYMBOLS 10 Overhead support structure 11 Support | pillar 12 Beam 16 Connecting material 17 Overhead beam 18 Convex part 19 1st plane part 20 2nd plane part 21 3rd plane part 22 4th plane part 23 Rib

Claims (4)

一対の支柱と、上下方向に間隔をおいて一対に配設され、前記一対の支柱間にそれぞれ架け渡された梁と、これら一対の梁間に架け渡された繋ぎ材と、を備え、
前記梁は、長手方向に直交する断面が閉断面となる筒状に形成されており、
前記梁の外側面に前記繋ぎ材が接合され、
前記梁における前記繋ぎ材が接合された箇所の内側面に、前記梁の径方向内側に向けて突出する凸部が形成されている
ことを特徴とする架線支持用構造物。 A pair of struts, a pair of beams arranged in the vertical direction at intervals, and each spanned between the pair of struts, and a connecting material spanned between the pair of beams,
The beam is formed in a cylindrical shape whose cross section perpendicular to the longitudinal direction is a closed cross section,
The connecting material is joined to the outer surface of the beam,
An overhang supporting structure, wherein a convex portion projecting inward in the radial direction of the beam is formed on an inner side surface of the beam where the connecting material is joined. 前記一対の梁の外側面のうち、上側の梁の下部には、第一平面部が形成されていると共に、下側の梁の上部には、第二平面部が形成され、
これらの第一平面部および第二平面部に、前記繋ぎ材の端部が接合されており、
前記一対の梁の内側面のうち、上側の梁の下部には、第三平面部が形成されていると共に、下側の梁の上部には、第四平面部が形成され、
これらの第三平面部および第四平面部に、前記凸部が形成されている
ことを特徴とする請求項１に記載の架線支持用構造物。 Of the outer surfaces of the pair of beams, a first plane portion is formed at the lower portion of the upper beam, and a second plane portion is formed at the upper portion of the lower beam,
The end portions of the connecting material are joined to the first plane portion and the second plane portion,
Of the inner surfaces of the pair of beams, a third plane portion is formed at the lower portion of the upper beam, and a fourth plane portion is formed at the upper portion of the lower beam,
The overhang support structure according to claim 1, wherein the convex portions are formed on the third plane portion and the fourth plane portion. 前記凸部は、前記梁の長手方向と直交する直交方向に間隔をおいて一対に配置され、前記梁の長手方向にそれぞれ延在するリブからなり、
前記一対のリブ間の間隔は、前記直交方向に対する前記繋ぎ材の幅と等しい
ことを特徴とする請求項１または２に記載の架線支持用構造物。 The convex portions are arranged in pairs in the orthogonal direction perpendicular to the longitudinal direction of the beam, and are composed of ribs extending in the longitudinal direction of the beam,
The overhead wire support structure according to claim 1 or 2, wherein a distance between the pair of ribs is equal to a width of the connecting member with respect to the orthogonal direction. 前記梁および前記繋ぎ材は、アルミニウム合金製の押出形材から形成される
ことを特徴とする請求項１から３の何れか一項に記載の架線支持用構造物。
4. The overhead wire support structure according to claim 1, wherein the beam and the connecting material are formed of an extruded shape made of an aluminum alloy. 5.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502401Y1 (en) * 1969-10-07 1975-01-23
JP2001214570A (en) * 2000-02-03 2001-08-10 Nippon Light Metal Co Ltd Aluminum alloy extruded structural angle for structural body and its manufacturing method

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS502401Y1 (en) * 1969-10-07 1975-01-23
JP2001214570A (en) * 2000-02-03 2001-08-10 Nippon Light Metal Co Ltd Aluminum alloy extruded structural angle for structural body and its manufacturing method

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