JP2013068047A - Support fitting of frame for tile-rooftop installation - Google Patents
Support fitting of frame for tile-rooftop installation Download PDFInfo
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- JP2013068047A JP2013068047A JP2011208867A JP2011208867A JP2013068047A JP 2013068047 A JP2013068047 A JP 2013068047A JP 2011208867 A JP2011208867 A JP 2011208867A JP 2011208867 A JP2011208867 A JP 2011208867A JP 2013068047 A JP2013068047 A JP 2013068047A
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Abstract
Description
本発明は、各種の瓦屋根上にソーラパネル等の屋根上設置物品を取り付け、固定する架台を支持するための瓦屋根上設置物品用架台の支持金具に関するものである。 The present invention relates to a support fitting for a mount for a tiled roof installation article for attaching a rooftop installation article such as a solar panel on various tile roofs and supporting the fixed base.
従来のこの種の支持金具としては、金属製帯状板材を所定形状に折曲したものからなり、屋根の流れ方向Ｙに葺設された上下の瓦間に挿入され、その基端側で棟側の上方の瓦の下方に螺着される固定部を有し、この固定部から上方に折曲する第１折曲部を設けて斜め上方に延長し、その後この第１折曲部から適宜距離延長して第２折曲部を介して流れ方向に折曲されて、前記瓦間から外部に露出し、その後更に上方に第３折曲部を介して延長し、最後に逆方向の基端側に向かって第４折曲部を介して流れ方向上向きに延長して支持部が形成されたものである。
この先端部の支持部がソーラーパネル等の屋根上設置物品を支持する架台を支持し、固定することができるものである。
As this type of conventional support metal fittings, a metal strip is bent into a predetermined shape, inserted between upper and lower roof tiles installed in the flow direction Y of the roof, and on the ridge side at the base end side. A fixed portion that is screwed below the upper roof tile, and a first bent portion that bends upward from the fixed portion is provided to extend obliquely upward, and then an appropriate distance from the first bent portion. It is extended and bent in the flow direction through the second bent portion, exposed to the outside from between the roof tiles, and further extended upward through the third bent portion, and finally the base end in the reverse direction A support portion is formed by extending upward in the flow direction through the fourth bent portion toward the side.
The support portion at the tip portion can support and fix a gantry that supports articles installed on the roof such as a solar panel.
下記特許文献１に記載の「太陽電池パネル取付け架台」にあっては、太陽電池パネル取付け架台の組み付け及び該架台への太陽電池パネルの据え付けを容易にすることをその課題とするものである。
この文献中に記載の架台支持具８が本願発明に係る支持金具と同種物品であり、その構成は、上に記載した支持金具と同様の構成を有するものである。
In the “solar cell panel mounting frame” described in Patent Document 1 below, it is an object to facilitate the assembly of the solar cell panel mounting frame and the installation of the solar cell panel on the frame.
The gantry support 8 described in this document is the same type of article as the support fitting according to the present invention, and the configuration thereof is the same as that of the support fixture described above.
図５は、上記特許文献１に記載された架台支持具８を示す断面説明図である。
この架台支持具８は、屋根の流れ方向Ｙに葺設された瓦Ｔ１、Ｔ２の間から外部に露出するように設置されるものである。
その本体部は鋼製帯板を適宜折曲して形成したものからなり、屋根下地の補強板Ｓに固定される固定部８ａの先端側に第１折曲部Ｆ１を設けて上方に延長し、その後第２折曲部Ｆ２により瓦Ｔ１の上面に沿うように折曲して瓦Ｔ１、Ｔ２の間から外部に延長し、その後第３折曲部Ｆ３で上方に起立して延長し、最後に第４折曲部Ｆ４にて今度は逆に基端側に向かって折曲し、流れ方向Ｙの上向きに延長して固定部８ｂを形成したものである。
FIG. 5 is a cross-sectional explanatory view showing the gantry support 8 described in Patent Document 1.
The gantry support 8 is installed so as to be exposed to the outside from between the tiles T1 and T2 provided in the roof flow direction Y.
The main body portion is formed by appropriately bending a steel strip, and a first bent portion F1 is provided on the distal end side of the fixing portion 8a fixed to the reinforcing plate S of the roof base and extended upward. After that, the second bent portion F2 is bent along the upper surface of the tile T1 and extended from between the tiles T1 and T2 to the outside, and then the third bent portion F3 is erected upward and extended. On the other hand, the fourth bent portion F4 is bent toward the base end side in the opposite direction and extended upward in the flow direction Y to form the fixed portion 8b.
基端側の固定部８ａは螺子により補強板Ｓに固定され、先端側の支持部８ｂは、ソーラーパネルＰの架台となる縦方向（流れ方向Ｙ）に平行に配列される縦杆材９を載置してボルト・ナットにより固定することができる。
この支持部８ｂは、第４折曲部Ｆ４から基端側に、即ち固定部８ａ側に折曲されて延長されたものである。
この従来の架台支持具８においては、例えば台風などの強風に煽られて、ソーラーパネルの下面から上方に向かう負荷が掛かった際には、その第１折曲部Ｆ１に負荷される力により、その第１折曲部Ｆ１が損傷を受ける危険性があったのである。
The base-side fixing portion 8a is fixed to the reinforcing plate S by a screw, and the tip-side support portion 8b is made of a vertical rod 9 arranged in parallel to the vertical direction (flow direction Y) serving as a mount for the solar panel P. It can be placed and fixed with bolts and nuts.
This support portion 8b is bent and extended from the fourth bent portion F4 to the base end side, that is, to the fixed portion 8a side.
In this conventional gantry support 8, for example, when a load directed upward from the lower surface of the solar panel is applied by a strong wind such as a typhoon, due to the force applied to the first bent portion F <b> 1, There was a risk of damage to the first bent portion F1.
下記特許文献２に記載の「太陽電池パネル取付け架台」にあっても、その架台支持具８の構成は上記特許文献１に記載のものと同様であるが、その発明の解決すべき課題は、太陽電池パネルと架台との電気的接続を簡単かつ確実に実現することにあった。 Even in the “solar cell panel mounting base” described in Patent Document 2, the structure of the base support 8 is the same as that described in Patent Document 1, but the problem to be solved by the invention is that The object was to easily and reliably realize the electrical connection between the solar cell panel and the gantry.
本願発明においては、上記従来のソーラーパネル等の屋根上取付物品の架台における架台自体ではなく、その架台の支持金具において、支持金具自体の強度を向上させることをその基本課題とし、そのための最適材料を用いることによりその軽量化、作業容易化又は施工容易化等々を図ることを課題とするものである。
より詳しくは、従来の支持金具においては、その支持部は第４折曲部でその本体部の基端側に折曲されており、基端部を屋根下地に螺子により固定するに際して、予め支持部の螺子挿通孔にボルトの軸部を挿通させておく必要があったが、本願発明においては、その事前の手間を省略して、後から容易にボルトの挿通を可能とすることもその課題となる。
In the present invention, the basic problem is to improve the strength of the support bracket itself in the support bracket of the mount, not the mount itself in the mount of the above-mentioned roof mounted article such as a solar panel, and the optimum material for that purpose It is an object of the present invention to reduce the weight, facilitate the work, facilitate the construction, etc.
More specifically, in the conventional support bracket, the support part is bent at the base end side of the main body part at the fourth bent part, and is supported in advance when the base end part is fixed to the roof base with screws. It is necessary to insert the bolt shaft portion into the screw insertion hole of the portion, but in the present invention, it is possible to easily insert the bolt later by omitting the prior labor. It becomes.
更に、この種の支持金具においては、ソーラーパネル等が設置された後には、この固定されたソーラーパネルが例えば台風等による強風によって下面から上方に吹き上げられる力が負荷されることがある。
このような場合には、架台を支持する支持金具の第１折曲部に強大な負荷が掛かり、場合によっては、この第１折曲部にひび割れ又は変形等が生じたり、最悪の場合には折れて破損する場合も生じるのである。
Further, in this type of support metal fitting, after the solar panel or the like is installed, a force that blows the fixed solar panel upward from the lower surface by a strong wind such as a typhoon may be applied.
In such a case, a strong load is applied to the first bent portion of the support bracket that supports the gantry, and in some cases, the first bent portion is cracked or deformed, or in the worst case. Sometimes it breaks and breaks.
従来のステンレス製や鋼製の支持金具にあっては、その素材に基づくこの第１折曲部の強度が不十分であり、前記破損等の問題が解消されていないという問題があった。
本願発明においては、このような強度不足の問題を解決すべく、支持金具の本体部の素材の選択及び強度向上のための技術的手段について提案することをその課題とするものである。
In conventional stainless steel and steel support brackets, there is a problem that the strength of the first bent portion based on the material is insufficient, and the problems such as breakage are not solved.
In the present invention, in order to solve such a problem of insufficient strength, it is an object of the present invention to propose technical means for selecting a material for the main body of the support metal and for improving the strength.
上記課題を解決するために、本発明の第１のものは、本体部が金属製帯状板材から成り、その基端側から先端側に架けて順次、上方に折曲する第１折曲部と、屋根の流れ方向に折曲する第２折曲部と、更に上方に折曲する第３折曲部と、最後に屋根の流れ方向に折曲する第４折曲部を有し、本体部の前記第１折曲部までの基端側部分は屋根下地材に固定される固定部を成し、本体部の前記第２折曲部と第３折曲部の中間部が屋根流れ方向に敷設された隣接する瓦の間から外部に露出し、本体部の前記第４折曲部から先端側部分がソーラーパネル等の面状物品の架台を所定高さに支持固定する支持部を成す瓦屋根上に設置するソーラーパネル等面状物品用架台の支持金具において、本体部として高張力鋼板を使用し、本体部の前記第１折曲部の部位における安全率（破壊される最小負荷÷安全に利用できる最大負荷）を１．０以上としたことを特徴とする瓦屋根上設置物品用架台の支持金具である。 In order to solve the above-mentioned problem, a first one of the present invention includes a first bent portion whose main body portion is made of a metal strip-like plate material, and which is sequentially bent upward from the base end side to the distal end side. A second bent portion bent in the flow direction of the roof, a third bent portion bent further upward, and a fourth bent portion finally bent in the flow direction of the roof, and a main body portion The base end side part to the said 1st bending part comprises the fixed part fixed to a roof base material, and the intermediate part of the said 2nd bending part and 3rd bending part of a main-body part is a roof flow direction. A tile that is exposed to the outside from between adjacent tiles that are laid, and that forms a support portion whose tip side portion supports and fixes a stand of a planar article such as a solar panel at a predetermined height from the fourth bent portion of the main body portion. In a support bracket for a solar panel or other planar article installation base on a roof, a high-tensile steel plate is used as the main body, and the first bent portion of the main body is A supporting bracket of the tile roof-installed article for frame, characterized in that a 1.0 or higher (minimum load ÷ safely maximum load available to be destroyed) safety factor in position.
本発明の第２のものは、上記第１の発明において、本体部の前記支持部を前記第４折曲部から先端側方向に向けて折曲したことを特徴とする瓦屋根上設置物品用架台の支持金具である。 According to a second aspect of the present invention, in the above-described first aspect, the support portion of the main body portion is bent from the fourth bent portion toward the front end side direction. It is a support bracket for the gantry.
本発明の第３のものは、上記第１又は第２の発明において、固定部を屋根下地材に固定するために設けた複数の螺子挿通孔の周縁部を上方に膨出して凸部を設け、これにより雨水等の浸入を防止できるようにしたことを特徴とする瓦屋根上設置物品用架台の支持金具である。 According to a third aspect of the present invention, in the first or second aspect of the present invention, the peripheral portions of the plurality of screw insertion holes provided for fixing the fixing portion to the roof base material are bulged upward to provide a convex portion. This is a support bracket for an article-mounted base for tiled roof, characterized in that intrusion of rainwater or the like can be prevented thereby.
本発明の第４のものは、上記第３の発明において、前記凸部の裏面に形成された窪み部に防水パッキン等の防水用シーリング部材を設けたことを特徴とする瓦屋根上設置物品用架台の支持金具である。 According to a fourth aspect of the present invention, there is provided the tile roof installation article according to the third aspect, wherein a waterproof sealing member such as waterproof packing is provided in a recess formed on the back surface of the convex portion. It is a support bracket for the gantry.
本発明の第１のものにおいては、本体部の素材として高張力鋼板を使用して、その固定部を瓦屋根下地材に螺子により固定された際、その第１折曲部における安全率を１．０以上としたことにより、この第１折曲部の強度を向上させることができ、その第１折曲部のひび割れや変形・破損等の損傷を防止することができる。
この支持金具においては、固定後に屋根上設置物品及び架台に強風等により下方から上方に向かう負荷に際して、この負荷が前記第１折曲部に負荷されるのであるが、この部位における安全率が１．０未満であると、この第１折曲部に損傷等を生じる恐れがあったのである。従来の支持金具は、この安全率が１．０未満であり、本願発明においては、この点を改善、改良したものである。
In the first embodiment of the present invention, when a high-strength steel plate is used as the material of the main body portion and the fixing portion is fixed to the tile roof base material with screws, the safety factor at the first bent portion is 1 By setting it to 0.0 or more, the strength of the first bent portion can be improved, and damage such as cracking, deformation, and breakage of the first bent portion can be prevented.
In this support metal fitting, when the load is directed upward from the lower side due to strong wind or the like on the roof-installed article and the gantry after being fixed, this load is applied to the first bent portion, and the safety factor at this part is 1 If it is less than 0.0, the first bent portion may be damaged. The conventional support metal fitting has a safety factor of less than 1.0. In the present invention, this point is improved and improved.
更に、本発明においては高張力鋼板を使用したため、その強度が格段に向上し、その板厚のより薄いものを使用することができ、その軽量化と製造コストの低減化に寄与するものとなる。
また、亜鉛めっき鋼板（鋼材）をベースとしたソーラーパネルの架台（縦材）との相性も良く、従来品（ＳＵＳ３０４）で問題のあった異種金属接触腐食の抑制をも実現することができ、長寿命化にも寄与する
Furthermore, since a high-tensile steel plate is used in the present invention, its strength is remarkably improved, and a thinner plate can be used, which contributes to weight reduction and manufacturing cost reduction. .
In addition, compatibility with solar panel base (vertical material) based on galvanized steel sheet (steel material) is good, and it is possible to realize the suppression of contact corrosion of dissimilar metals that was problematic in the conventional product (SUS304), Contributes to longer life
本発明の第２のものにおいては、上記効果に加えて、その第４折曲部から先端側の支持部がその第４折曲部から先端側に延長するために、この支持金具を瓦屋根下地に固定した後に、この支持部の上に架台を載置し固定する際に、支持部の上に架台を載置した後にボルト軸を支持部の螺子挿通孔に挿通させることができ、予めボルトを支持部の螺子挿通孔に挿通しておく必要がなくなり、その施工が容易となるのである。 In the second one of the present invention, in addition to the above-described effects, the support portion on the front end side from the fourth bent portion extends from the fourth bent portion to the front end side. After fixing the base on the support after fixing to the base, the bolt shaft can be inserted into the screw insertion hole of the support after placing the base on the support. It is not necessary to insert the bolt into the screw insertion hole of the support portion, and the construction becomes easy.
より詳しく説明すると、従来の金具では第４折曲部が手前側に（基端側に）折曲していることにより支持部の固定用ボルトから固定部までの距離が短い（モーメントが小さい）ため金具への負担が小さいが、固定用ボルトを先に取付ける必要があり、屋根下地材に一度金具を取り付けた後、何らかの事情（施工ミス等）で固定用ボルトを取り外す時は金具を屋根下地材から外した後、固定用ボルトの取り外しを行わなくてはならないこととなる。 More specifically, in the conventional metal fitting, the distance from the fixing bolt to the fixing portion of the support portion is short (moment is small) because the fourth bent portion is bent to the near side (to the base end side). Therefore, it is necessary to install the fixing bolts first. After attaching the brackets to the roof base material, remove the fixing bolts for some reason (such as construction errors). After removing from the material, the fixing bolts must be removed.
しかし本発明では第４折曲部が先端側方向に折曲されているため、固定用ボルトを取り外す自由度が向上しており、屋根下地材から金具の脱着を行わずに対応できるという利点が特徴となっているのである。
但し、先端側方向へ曲げているため固定用ボルトから固定部までの距離が長くなり（モーメントが大きい）、金具への負担が大きくなるために、今回、金具の材質強度を向上させるために高張力鋼板を使用したのである。
However, in the present invention, since the fourth bent portion is bent in the front end side direction, the degree of freedom of removing the fixing bolt is improved, and there is an advantage that it can be handled without removing the metal fitting from the roof base material. It is a feature.
However, since it is bent in the direction of the tip, the distance from the fixing bolt to the fixing part becomes long (moment is large), and the load on the metal fitting increases. Tensile steel plates were used.
本発明の第３のものにおいては、固定部を屋根下地材に固定するために設けた複数の螺子挿通孔の周縁部を上方に膨出して凸部を設け、これにより雨水等の浸入を防止し、雨漏り対策を行ったものである。
水は上から下に流れるため、螺子挿通孔の開口部の位置を他よりも高い位置にして、防水効果を向上させたものである。
In the third aspect of the present invention, the peripheral portions of the plurality of screw insertion holes provided for fixing the fixing portion to the roof base material are bulged upward to provide a convex portion, thereby preventing intrusion of rainwater and the like. However, measures against rain leakage were taken.
Since water flows from the top to the bottom, the position of the opening of the screw insertion hole is set higher than the others to improve the waterproof effect.
本発明の第４のものは、上記第３の発明と同様の効果を発揮し、その効果をより高めたものである。
即ち、前記固定部の螺子挿通孔の周縁部の凸部の裏面には窪み部が生じるため、この窪み部に防水パッキンやその他の防水用シーリング部材を設備したものである。
The fourth aspect of the present invention exhibits the same effects as those of the third aspect of the present invention, and further enhances the effects.
That is, since a recess is formed on the back surface of the convex portion at the peripheral edge of the screw insertion hole of the fixing portion, a waterproof packing or other waterproof sealing member is provided in the recess.
以下、添付の図面と共に本発明の一実施形態について説明する。
図１は、本発明に係る一実施形態を示す全体斜視図である。
本実施形態に係る瓦屋根上設置物品用架台の支持金具１０は、その本体部の全体が高張力鋼板から成形された帯板状のものから成り、基端側（図中右下側）には固定部１１が形成され、この固定部１１の先端側の第１折曲部Ｆ１が斜め上方に折曲されて延長し、次の第２折曲部Ｆ２を介して屋根の流れ方向に延長し、さらに第３折曲部Ｆ３において上方に起立延長し、最後に第４折曲部Ｆ４において先端側にやはり略屋根の流れ方向に延長して支持部１３が形成される。
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
FIG. 1 is an overall perspective view showing an embodiment according to the present invention.
The support metal fitting 10 for the tile roof mounted article gantry according to the present embodiment is composed of a strip-like member whose entire body is formed from a high-tensile steel plate, and is on the base end side (lower right side in the figure). The fixed portion 11 is formed, and the first bent portion F1 on the distal end side of the fixed portion 11 is bent obliquely upward and extended, and extended in the flow direction of the roof via the next second bent portion F2. Further, the support portion 13 is formed by extending upwardly at the third bent portion F3 and finally extending substantially in the flow direction of the roof at the distal end side at the fourth bent portion F4.
固定部１１には、螺子挿通孔１１ｈが複数形成され、この螺子挿通孔１１ｈを介して螺子によって屋根下地材に固定される。
他方、支持部１３には、ボルト挿通孔１３ｈが穿設され、支持部１３に載置されたソーラーパネル等の屋根上設置物品の架台をボルト・ナットにより固定できる。
A plurality of screw insertion holes 11h are formed in the fixing portion 11, and are fixed to the roof base material by screws through the screw insertion holes 11h.
On the other hand, a bolt insertion hole 13 h is formed in the support portion 13, and a pedestal of a roof-mounted article such as a solar panel placed on the support portion 13 can be fixed with a bolt and a nut.
第２折曲部Ｆ２と第３折曲部Ｆ３との間の中間部１２は、この部分で屋根に葺設された瓦の裏面から隣接する瓦の間を通って外部に露出する部分である。
本実施形態においては、その支持金具１０が高張力鋼板から成形されている関係上、その強度が高いものとなっており、後に説明するが、その第１折曲部Ｆ１における安全率、即ち、「破壊される最小負荷÷安全に利用できる最大負荷」を１．０以上となるように設定している。
The intermediate portion 12 between the second bent portion F2 and the third bent portion F3 is a portion that is exposed to the outside through the space between the adjacent tiles from the back surface of the tile that is installed on the roof in this portion. .
In the present embodiment, because the support fitting 10 is formed from a high-tensile steel plate, the strength thereof is high, and as will be described later, the safety factor at the first bent portion F1, that is, “Minimum load to be destroyed ÷ maximum load that can be safely used” is set to 1.0 or more.
図２は、上記実施形態に係る支持金具１０を実際に瓦屋根に設置した状態を示す断面説明図であり、その（Ａ）が和瓦に設置したもの、その（Ｂ）が平瓦に設置したものを図示している。
これらの両図においては、屋根に葺設された瓦の形状が異なるために、これら和瓦（Ａ図）と平瓦（Ｂ図）の形状に適合するように、その支持金具の中間部１２の縦断面形状が少し異なっているが、その他の形状はほぼ同一である。
FIG. 2 is a cross-sectional explanatory view showing a state in which the support metal fitting 10 according to the embodiment is actually installed on a tile roof, in which (A) is installed on a Japanese tile, and (B) is installed on a flat tile. This is illustrated.
In both of these figures, since the shape of the tiles erected on the roof is different, the intermediate portion 12 of the support metal fitting is adapted to match the shapes of these Japanese tiles (FIG. A) and flat tiles (FIG. B). Although the longitudinal cross-sectional shape of these is slightly different, other shapes are substantially the same.
即ち、支持金具１０の基端部側の固定部１１を螺子によって屋根下地部の補強板Ｓに固定し、中間部１２を屋根の流れ方向Ｙに順次葺設された瓦Ｔ１、Ｔ２の間から外部に露出させ、第３折曲部を起立延長させ、第４折曲部Ｆ４から先端側の支持部１３が瓦屋の流れ方向Ｙと略並行に配設されるのである。
この支持部１３は、従来のものとその形態を異にし、第４折曲部Ｆ４から先端側に延長されている。
That is, the fixing portion 11 on the base end side of the support metal fitting 10 is fixed to the reinforcing plate S of the roof base portion with screws, and the intermediate portion 12 is inserted between the tiles T1 and T2 that are sequentially installed in the roof flow direction Y. The third bent portion is exposed and extended upright, and the support portion 13 on the front end side from the fourth bent portion F4 is disposed substantially in parallel with the flow direction Y of the tiler.
The support portion 13 is different from the conventional one and extends from the fourth bent portion F4 to the distal end side.
従って、支持部１３のボルト挿通孔に挿通するボルトＢを後から挿通させることが可能となり、従来のような予めの組み付けは不要となる。
この支持部１３にソーラーパネル等の屋根上設置物品の架台を載置して固定することが可能となる。
Accordingly, the bolt B inserted through the bolt insertion hole of the support portion 13 can be inserted later, and the prior assembly as in the related art becomes unnecessary.
It is possible to mount and mount a rack of articles installed on the roof such as a solar panel on the support portion 13.
次に、本発明に係る支持金具の強度について従来の支持金具との比較において説明する。
図３は、被検査物品の模式図であって、その（Ａ）が従来の支持金具（以下「比較例」という。）を示し、その（Ｂ）が本発明の上記実施形態に係る支持金具（以下「本発明品」という。）を示している。この模式図では、第２折曲部及び第３折曲部の図示を省略している。
図４は、上記図３に示した模式図に係る比較例と本発明品とを示す概略斜視図であり、その（Ａ）が比較例を示し、その（Ｂ）が本発明品を示している。
Next, the strength of the support metal fitting according to the present invention will be described in comparison with a conventional support metal fitting.
FIG. 3 is a schematic view of an article to be inspected, in which (A) shows a conventional support fitting (hereinafter referred to as “comparative example”), and (B) shows a support fitting according to the embodiment of the present invention. (Hereinafter referred to as “the product of the present invention”). In this schematic diagram, illustration of the second bent portion and the third bent portion is omitted.
FIG. 4 is a schematic perspective view showing a comparative example according to the schematic diagram shown in FIG. 3 and a product of the present invention, in which (A) shows a comparative example and (B) shows the product of the present invention. Yes.
従来の支持金具（比較例）は、「ＳＵＳ３０４」から成り、本発明に係る支持金具（本発明品）は、「高張力鋼板」を使用している。
「ＳＵＳ３０４」は、ＪＩＳ Ｇ ４３０４（熱間圧延ステンレス鋼板及び鋼帯）を示し、耐力又は降伏点は、２０５Ｎ／ｍｍ２である。
「高張力鋼板」は、ＪＩＳ Ｇ ３１３４（自動車用加工性熱間圧延高張力鋼板及び鋼帯）、規格ＳＰＦＨ５９０、降伏点は、４２０Ｎ／ｍｍ２である。
The conventional support bracket (comparative example) is made of “SUS304”, and the support bracket (product of the present invention) according to the present invention uses “high-tensile steel plate”.
“SUS304” indicates JIS G 4304 (hot rolled stainless steel plate and steel strip), and the proof stress or yield point is 205 N / mm 2 .
“High-tensile steel plate” is JIS G 3134 (workable hot-rolled high-tensile steel plate and steel strip for automobiles), standard SPFH590, and the yield point is 420 N / mm 2 .
一般的なソーラーパネルに２，４００Ｐａ相当の荷重値を支持金具に負荷されたと想定して比較した場合、下記の表１の結果となった。
表中のそれぞれの支持金具のタイプ１乃至タイプ５は、各種の瓦の形状に適合させるように適宜その形態を多少異ならせたものであるが、その基本形状は、図４に示したとおりの形態を有するものである。
When comparison was made on the assumption that a load value equivalent to 2,400 Pa was applied to a support metal fitting on a general solar panel, the results shown in Table 1 below were obtained.
The types 1 to 5 of the support brackets in the table are appropriately different in form so as to be adapted to the shapes of various roof tiles, but their basic shapes are as shown in FIG. It has a form.
この表は、上記比較例と本発明品との曲げ応力と安全率を算定、表示したものであり、上段の「Ａ」が比較例を、下段の「Ｂ」が本発明品を示している。
この表において、「耐力又は降伏点（N／ｍｍ２）」（σy）が「破壊される最小負荷」を示し、「曲げ応力（N／ｍｍ２）」（σmax）が「安全に利用できる最大負荷」を示している。
即ち、この曲げ応力が、上記ソーラーパネルに２，４００Ｐａを負荷したときの値であり、この表は支持金具の第１折曲部Ｆ１における安全率を算定したものである。
This table calculates and displays the bending stress and safety factor of the above comparative example and the product of the present invention, the upper “A” indicates the comparative example, and the lower “B” indicates the present product. .
Maximum In this table, "yield strength or yield point (N / mm 2)" (.sigma.y) indicates "minimum load to be destroyed", "bending stress (N / mm 2)" (.sigma.max) is a "safe to use "Load".
That is, this bending stress is a value when 2,400 Pa is applied to the solar panel, and this table calculates the safety factor at the first bent portion F1 of the support metal fitting.
上記表１から解るとおり、本発明品Ｂにおいては、その安全率がすべて１．０を大きく上回っており、これに対して従来品である比較例Ａにおいては、そのすべてにおいて１．０を下回っている。
従って、従来品においては、台風等の強風による下面から上方向に向かう負荷に対して支持金具の第１折曲部における強度に不安及び難点が認められ、本発明品においては、この第１折曲部における損傷の危険性を回避できるという大きな効果を認めることができるのである。
As can be seen from Table 1 above, in the product B of the present invention, all the safety factors greatly exceed 1.0, whereas in the comparative example A which is a conventional product, all of them are less than 1.0. ing.
Therefore, in the conventional product, anxiety and difficulty are observed in the strength at the first bent portion of the support bracket against the load upward from the lower surface due to a strong wind such as a typhoon. The great effect of avoiding the risk of damage at the bend can be recognized.
以上、本発明の実施形態について説明したが、以下の通りその形態を種々変更することができる。
本発明に係る支持金具の幅、板厚、長さ、即ち、本体部の基端側の固定部の基端から第１折曲部までの長手方向長さ、第２折曲部から第３折曲部の長手方向長さ、第３折曲部から第４折曲部までの起立高さ、第４折曲部から先端までの固定部の長手方向長さも適宜自由に設計変更することができる。
固定部に設けた螺子挿通孔の数も自由であり、支持部に設けたボルト挿通孔も幅方向に横長の孔部に形成することもできる。
As mentioned above, although embodiment of this invention was described, the form can be variously changed as follows.
The width, plate thickness, and length of the support metal fitting according to the present invention, that is, the length in the longitudinal direction from the base end of the fixing portion on the base end side of the main body portion to the first bent portion, and from the second bent portion to the third The length of the bent portion in the longitudinal direction, the standing height from the third bent portion to the fourth bent portion, and the length in the longitudinal direction of the fixed portion from the fourth bent portion to the tip can be freely changed in design as appropriate. it can.
The number of screw insertion holes provided in the fixing part is also arbitrary, and the bolt insertion hole provided in the support part can also be formed as a horizontally elongated hole part in the width direction.
固定部に設けた螺子挿通孔の周縁の凸部の膨出高さ及びその膨出エリアの範囲（面積）も自由に設計することが出来る。
また、凸部の裏面の窪み部に設備する防水用シーリング部材も任意に自由に選択することができ、防水パッキンばかりでなく、防水用パテ或いは各種の防水用コーキング材を充填するようにすることもできる。
第１折曲部に補強用のリブを形成することも自由である。
The bulge height of the convex part at the periphery of the screw insertion hole provided in the fixed part and the range (area) of the bulge area can also be designed freely.
Moreover, the sealing member for waterproofing installed in the recess on the back surface of the convex part can be arbitrarily selected, and not only waterproof packing but also filling with a waterproof putty or various waterproof caulking materials. You can also.
It is also free to form reinforcing ribs in the first bent portion.
本発明に係る支持金具はプレス成型後、耐食性向上のためドブづけめっき処理を施している。その際、鋼中の成分値Si（ケイ素）及びP（リン）を以下含有値でコントロールすることにより、めっきやけへの配慮を行うことができる。 The support metal fitting according to the present invention is subjected to a dip plating process after press molding to improve corrosion resistance. At that time, consideration of plating burn can be performed by controlling the component values Si (silicon) and P (phosphorus) in the steel by the following content values.
鋼材の成分の中で、鉄 - 亜鉛反応にいちじるしく影響を及ぼすのはケイ素である。0.05％以下および0.15 - 0.25％の間以外のケイ素範囲では、鉄と亜鉛の反応が特に激しくなり、「やけ」が発生したり、異常に厚いめっき層になったりする。
鋼中のリンは0.05％以下ならば影響はないが、0.07％以上になると、ケイ素と同様に鉄と亜鉛の合金反応を促進するので、注意が必要となるのである。
Among the components of steel, silicon has a significant influence on the iron-zinc reaction. In silicon ranges other than 0.05% or less and between 0.15-0.25%, the reaction between iron and zinc becomes particularly intense, resulting in “burning” or an unusually thick plating layer.
If the amount of phosphorus in steel is 0.05% or less, there is no effect, but if it is 0.07% or more, the alloy reaction between iron and zinc is promoted like silicon, so care must be taken.
以上、本発明は、その素材として高張力鋼板を使用することにより、その強度を向上させ、即ちその第１折曲部の安全率を１．０以上とすることにより、従来不安のあった第１折曲部の強度を格段に向上させ、この部分の損傷の危険性を排除でき、尚且つ、これにより製品の板厚をも小さくすることができ、製品の軽量化にも寄与できるものである。 As described above, the present invention improves the strength by using a high-strength steel plate as the material, that is, the safety factor of the first bent portion is 1.0 or more, so that there has been anxiety in the past. The strength of one bent part can be greatly improved, the risk of damage to this part can be eliminated, and the thickness of the product can also be reduced thereby contributing to weight reduction of the product. is there.
１０ 支持金具
１１ 固定部
１１ｈ 螺子挿通孔
１２ 中間部
１３ 支持部
Ｆ１ 第１折曲部
Ｆ２ 第２折曲部
Ｆ３ 第３折曲部
Ｆ４ 第４折曲部
Ｓ 補強板
Ｙ 流れ方向（屋根の）
DESCRIPTION OF SYMBOLS 10 Support metal fitting 11 Fixing part 11h Screw insertion hole 12 Middle part 13 Support part F1 1st bending part F2 2nd bending part F3 3rd bending part F4 4th bending part S Reinforcement board Y Flow direction (of roof)
Claims (4)
本体部として高張力鋼板を使用し、
本体部の前記第１折曲部(F1)の部位における安全率（破壊される最小負荷÷安全に利用できる最大負荷）を１．０以上としたことを特徴とする瓦屋根上設置物品用架台の支持金具。 The main body is made of a metal strip, and the first bent part (F1) is bent upward from the base side to the front side, and the second bent part is bent in the flow direction of the roof. (F2), a third bent portion (F3) that bends further upward, and finally a fourth bent portion (F4) that bends in the flow direction of the roof. The base end side part to the curved part (F1) forms a fixed part (11) fixed to the roof base material, and the second bent part (F2) and the third bent part (F3) of the main body part. The middle part is exposed to the outside from between adjacent tiles laid in the roof flow direction, and the tip side part supports the pedestal of the article on the roof at a predetermined height from the fourth bent part (F4) of the main body part In the support bracket of the rack for articles installed on the tile roof that forms the support portion (13) to be fixed,
Use a high-tensile steel plate as the body,
A stand for articles installed on a tiled roof characterized in that the safety factor (minimum load to be destroyed / maximum load that can be used safely) at the first bent portion (F1) of the main body is 1.0 or more. Support bracket.
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| JP2011208867A JP2013068047A (en) | 2011-09-26 | 2011-09-26 | Support fitting of frame for tile-rooftop installation |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011208867A JP2013068047A (en) | 2011-09-26 | 2011-09-26 | Support fitting of frame for tile-rooftop installation |
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| JP2015151775A (en) * | 2014-02-15 | 2015-08-24 | 奥地建産株式会社 | Support fixture for tile rooftop installation article |
| JP2017048607A (en) * | 2015-09-02 | 2017-03-09 | 亮輔 金田 | Frame installation structure and fixing bracket of installation structure |
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