JP2021167531A

JP2021167531A - Scaffold board

Info

Publication number: JP2021167531A
Application number: JP2020071113A
Authority: JP
Inventors: 潔佐竹; Kiyoshi Satake; 英徳三宅; Hidenori Miyake; 敏雄松岡; Toshio Matsuoka; 大三長岐; Daizo Nagaki
Original assignee: JFE Galvanizing and Coating Co Ltd; JFE Kizai Forming Co Ltd
Current assignee: JFE Galvanizing and Coating Co Ltd; JFE Kizai Forming Co Ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-10-21
Anticipated expiration: 2040-04-10
Also published as: JP7403376B2

Abstract

To provide a scaffold board having high strength of a floor plate material and capable of being efficiently manufactured.SOLUTION: A floor plate material comprises at least two plate materials whose long edge portions are abutted to each other. One plate material of the plate materials is provided with: a protrusion protruding at the long edge portion positioned at the abutting portion; and a short hanging piece provided close to the protrusion. Another plate material of the plate materials is provided with: a base in which a recessed portion applicable to the protrusion is formed; and a long hanging piece connected with the base and fitting to an outside face of the short hanging piece and supporting its lower end portion to form a leg portion of the floor plate material.SELECTED DRAWING: Figure 9

Description

本発明は、建設工事現場等において構築される仮設足場の通路や作業床を形成するのに用いられる足場板に関するものである。なお、足場板には、横架材に番線やゴムバンドで固定する、つかみ金具のない足場板と、横架材につかみ金具を介して取り付ける足場板とがあるが、本発明の足場板とは、その両方を含むものとする。 The present invention relates to a scaffolding board used for forming a passage or a work floor of a temporary scaffolding constructed at a construction site or the like. The scaffolding board includes a scaffolding board without a gripping metal fitting which is fixed to the horizontal material with a number wire or a rubber band, and a scaffolding board which is attached to the horizontal material via the gripping metal fitting. Shall include both.

建設工事現場等の仮設足場の通路や作業床を形成するのに使用される足場板としては、特許文献１に見られるように、床板材と、布材と、該床板材の両端を取り付けられるはり材と、該はり材または布材に固定され、床板材の四隅から長手方向の外方へ向けて突出させたつかみ金具とで構成されたものが使用されている。 As a scaffolding board used for forming a passage or a work floor of a temporary scaffolding at a construction site or the like, as seen in Patent Document 1, a floorboard material, a cloth material, and both ends of the floorboard material can be attached. A beam material and a grip metal fitting fixed to the beam material or cloth material and projecting outward from the four corners of the floor board material in the longitudinal direction are used.

かかる足場板は、床板材が１枚の板材からなるシングルタイプの足場板と、板材を２枚並列に配置してそれらを相互に連結したダブルタイプの足場板があり、構築すべき仮設足場に応じて使い分けられているのが一般的である。 Such scaffolding boards include a single type scaffolding board made of one floor board material and a double type scaffolding board in which two board materials are arranged in parallel and connected to each other, and are used as temporary scaffolding to be constructed. It is generally used properly according to the situation.

ところで、とくに、スチールで構成されたダブルタイプの足場板にあっては、中間板と呼ばれる連結金具を用い、溶接により板材同士をつなぎ合わせる煩雑な作業が必要であり、足場板を効率的に製造するのが困難であり、しかも、重量も嵩む不具合を有している。 By the way, especially in the case of a double type scaffolding plate made of steel, it is necessary to use a connecting metal fitting called an intermediate plate and perform complicated work of connecting the plate materials by welding, so that the scaffolding plate can be efficiently manufactured. It is difficult to do, and it is heavy.

足場板の効率的な製造を実現するとともに、その軽量化を図る観点から、近年では、特許文献２に開示されているように、アルミニウムあるいはアルミニウム合金等を素材として、それを押し出し成形することによって足場板を製造する手法も提案されている。しかしながら、アルミあるいはアルミ合金等は、表面に酸化膜が形成されやすく、また、熱伝導率が高いため溶接のために加えた熱が逃げやすい等の理由から、単に溶接を施しただけでは十分な接合強度が得られず、未だ改善の余地が残されている。 From the viewpoint of realizing efficient production of scaffolding boards and reducing their weight, in recent years, as disclosed in Patent Document 2, by extruding aluminum or an aluminum alloy or the like as a material, the scaffolding board has been extruded. A method for manufacturing scaffolding boards has also been proposed. However, since an oxide film is easily formed on the surface of aluminum or an aluminum alloy and the heat applied for welding is easily released due to its high thermal conductivity, it is sufficient to simply perform welding. Welding strength could not be obtained, and there is still room for improvement.

実開昭６０−１８４０号公報Jitsukaisho 60-1840 Gazette 特開２０２０−１６１３９号公報Japanese Unexamined Patent Publication No. 2020-16139

本発明の目的は、床板材を構成する板材同士を、煩雑な作業や重量増しを伴うことなしに高い強度のもとにつなぎ合わせることができる足場板を提案するところにある。 An object of the present invention is to propose a scaffolding board capable of joining board members constituting a floor board material with high strength without complicated work or weight increase.

本発明は、一対の短辺縁部および一対の長辺縁部にて取り囲まれた区画領域を、歩行経路あるいは作業面とする床板材と、該床板材の長辺縁部にその全長にわたってそれぞれ垂下保持される一対の布材と、該床板材の短辺縁部につながる一対のはり材と備えた足場板であって、前記床板材は、長尺縁部を相互に突き合わせた少なくとも２枚の板材からなり、そのうちの１の板材は、突き合わせ部分に位置する長尺縁部において突出する凸部と、該凸部に近接して設けられた短尺垂下片とを有し、もう１の板材は、該凸部に適合可能な凹部が形成されたベースと、該ベースにつながり、該短尺垂下片の外側面に合致させるとともにその下端部を支持して床板材の脚部を形成する長尺垂下片とを有することを特徴とする足場板である。 In the present invention, a floor board material in which a partition area surrounded by a pair of short edge portions and a pair of long edge portions is used as a walking path or a work surface, and a long side edge portion of the floor board material over the entire length thereof, respectively. A scaffold board provided with a pair of cloth materials to be suspended and a pair of beam materials connected to a short edge portion of the floor board material, and the floor board materials are at least two sheets in which long edges are butted against each other. One of the plate materials has a convex portion protruding at a long edge portion located at the abutting portion and a short hanging piece provided in the vicinity of the convex portion, and the other plate material. Is a long base having a concave portion that can be adapted to the convex portion, and a long base that is connected to the base, is matched with the outer surface of the short hanging piece, and supports the lower end portion thereof to form a leg portion of the floor board material. It is a scaffolding board characterized by having a hanging piece.

上記の構成からなる足場板において、
１）前記足場板は、前記床板材の四隅において前記布材に取り付けられ、横架材に引っ掛けることにより該床板材を、前記布材、前記はり材とともに水平姿勢に保持するつかみ金具とを備えるものであること、
２）前記凸部は、該凸部を前記凹部に臨ませ、該凸部を起点に板材を回動させることによって前記凹部に適合させるものであること、
３）前記凸部は、１の板材もしくはもう１の板材をその厚さ方向にスライドさせることにより凹部に適合させるものであること、
４）前記短尺垂下片は、その前面部が、前記長尺垂下片に合致した状態において前記脚部の軸芯に一致しており、前記凸部は、該前面部よりも外方に向けて突出したものであること、
５）前記長尺垂下片は、前記短尺垂下片の前面部を該長尺垂下片に合致させた状態において該短尺垂下片の背面部への屈曲、カシメ加工により該短尺垂下片を該長尺垂下片との間で挟持可能な少なくとも１つの挟持片を有すること、
６）前記長尺垂下片に、板材の長辺縁部に沿うガイドを設け、該ガイドに、それに沿う移動のみを許容するとともに前記短尺垂下片の前面部が該長尺垂下片に合致した状態において該短尺垂下片の背面部に前面を当接させて該短尺垂下片の、該長尺垂下片からの離反を回避するスライダーを配設してなること、
７）前記短尺垂下片は、その背面部に、前記スライダーの頂面もしくは該頂面から背面の少なくとも一部分に面して設けられ、前記ガイドと協同して該スライダーを挟み込む壁部を有すること、
８）前記スライダーは、はり材の背後にそれぞれ端部が突き当たってその移動が制限される長さを有すること、
９）前記短尺垂下片および前記長尺垂下片は、それらを相互に貫き、連結ボルトを挿通させてその両者を連結させる窓孔を有すること、
１０）前記布材の下面および前記長尺垂下片の下端部のフランジ下面に、リブ状の突起を有すること、が課題解決のための具体的手段として好ましい。 In the scaffolding board having the above structure
1) The scaffolding board is attached to the cloth material at four corners of the floor board material, and is provided with a grip fitting for holding the floor board material in a horizontal posture together with the cloth material and the beam material by hooking on the horizontal member. Being a thing,
2) The convex portion is to be adapted to the concave portion by making the convex portion face the concave portion and rotating the plate material from the convex portion as a starting point.
3) The convex portion is to be adapted to the concave portion by sliding one plate material or another plate material in the thickness direction thereof.
4) The front portion of the short hanging piece coincides with the axis of the leg in a state where the front portion matches the long hanging piece, and the convex portion faces outward from the front portion. Being prominent,
5) The long hanging piece is obtained by bending the short hanging piece to the back surface and caulking the long hanging piece in a state where the front portion of the short hanging piece is matched with the long hanging piece. Having at least one holding piece that can be held between the hanging pieces,
6) A state in which a guide along the long side edge of the plate material is provided on the long hanging piece, the guide is allowed to move only along the guide, and the front portion of the short hanging piece matches the long hanging piece. In the above, a slider is provided so that the front surface of the short hanging piece is brought into contact with the back surface portion of the short hanging piece to prevent the short hanging piece from separating from the long hanging piece.
7) The short hanging piece is provided on the back surface thereof so as to face the top surface of the slider or at least a part of the back surface from the top surface, and has a wall portion for sandwiching the slider in cooperation with the guide.
8) The slider has a length at which its end abuts behind the beam material and its movement is restricted.
9) The short hanging piece and the long hanging piece have a window hole that penetrates each other and inserts a connecting bolt to connect the two.
10) It is preferable to have rib-shaped protrusions on the lower surface of the cloth material and the lower surface of the flange at the lower end of the long hanging piece as a specific means for solving the problem.

本発明によれば、１の板材を、突き合わせ部分に位置する長辺縁部において突出する凸部と、該凸部に近接して設けられた短尺垂下片とを有するもので構成し、もう１の板材を、該凸部に適合可能な凹部が形成されたベースと、該ベースにつながり、該短尺垂下片の外側面に合致させるとともにその下端部を支持して床板材の脚部を形成する長尺垂下片とを有するもので構成したことにより、板材同士を簡単につなぎ合わせることができるとともに、脚部がその全長にわたって２枚重ねになることがないため、足場板の製造に使用する材料を削減することが可能となり、その分、重量の軽減を図ることができる。 According to the present invention, one plate material is composed of a plate material having a convex portion protruding at a long edge portion located at a butt portion and a short hanging piece provided in the vicinity of the convex portion. The plate material is connected to the base on which the concave portion compatible with the convex portion is formed, matches the outer surface of the short hanging piece, and supports the lower end portion to form the leg portion of the floor plate material. A material used for manufacturing scaffolding boards because it is composed of a long hanging piece so that the board materials can be easily connected to each other and the legs do not overlap over the entire length. It becomes possible to reduce the weight, and the weight can be reduced accordingly.

また、本発明によれば、凸部を、該凸部を前記凹部に臨ませ、該凸部を起点に板材を回動させることによって凹部に適合させるものとしたことにより、板材同士を確実につなぎ合わせることができる。 Further, according to the present invention, the convex portion is made to fit into the concave portion by making the convex portion face the concave portion and rotating the plate material from the convex portion as a starting point, thereby ensuring that the plate materials are fitted to each other. Can be spliced together.

また、本発明によれば、凸部を、１の板材もしくはもう一方の板材をその厚さ方向にスライドさせることにより凹部に適合させるものとしたことにより、板材同士を確実につなぎ合わせることができる。 Further, according to the present invention, the convex portion is adapted to the concave portion by sliding one plate material or the other plate material in the thickness direction thereof, so that the plate materials can be reliably connected to each other. ..

また、本発明によれば、短尺垂下片の前面部を、長尺垂下片に合致した状態において脚部の軸芯に一致するものとし、凸部を、該前面部よりも外方に向けて突出したものとしたことにより、板材のつなぎ合わせ部分に作用した荷重を、短尺垂下片を通して長尺垂下片に確実に伝達することができる。 Further, according to the present invention, the front surface portion of the short hanging piece is made to coincide with the axis of the leg in a state of being aligned with the long hanging piece, and the convex portion is directed outward from the front surface portion. By making it project, the load acting on the jointed portion of the plate material can be reliably transmitted to the long hanging piece through the short hanging piece.

また、本発明によれば、長尺垂下片に、短尺垂下片の前面部を該長尺垂下片に合致させた状態において該短尺垂下片の背面部への屈曲、カシメ加工により該短尺垂下片を該長尺垂下片との間で挟持可能な少なくとも１つの挟持片を設けておくことにより、板材同士の連結強度を高めることができる。 Further, according to the present invention, the short hanging piece is bent and crimped to the back surface of the short hanging piece in a state where the front portion of the short hanging piece is matched with the long hanging piece. By providing at least one holding piece that can be held between the long hanging pieces, the connection strength between the plate materials can be increased.

また、本発明によれば、長尺垂下片に、板材の長辺縁部に沿うガイドを設け、該ガイドに、それに沿う移動のみを許容するとともに前記短尺垂下片の前面部が該長尺垂下片に合致した状態において該短尺垂下片の背面部に前面を当接させて該短尺垂下片の、該長尺垂下片からの離反を回避するスライダーを配設することにより、簡単な構造で板材同士を確実に連結することができる。 Further, according to the present invention, the long hanging piece is provided with a guide along the long edge portion of the plate material, and the guide is allowed to move only along the guide, and the front portion of the short hanging piece is the long hanging piece. A plate material with a simple structure is provided by disposing a slider that abuts the front surface against the back surface of the short hanging piece in a state of matching the pieces and prevents the short hanging piece from separating from the long hanging piece. It is possible to securely connect each other.

また、本発明によれば、短尺垂下片の背面部に、スライダーの頂面もしくは該頂面から背面の少なくとも一部分に面して設けられ、ガイドと協働して該スライダーを挟み込む壁部を設けることにより、板材同士の連結強度がより一層高まる。 Further, according to the present invention, a wall portion is provided on the back surface of the short hanging piece so as to face the top surface of the slider or at least a part of the back surface from the top surface and cooperate with the guide to sandwich the slider. As a result, the connection strength between the plate materials is further increased.

また、本発明によれば、スライダーを、はり材の背後にそれぞれ端部が突き当たる長さを有するものとすることにより、スライダーの移動が防止され、板材の連結が解除されることはない。 Further, according to the present invention, by making the slider have a length such that each end abuts behind the beam material, the movement of the slider is prevented and the connection of the plate material is not released.

さらに、本発明によれば、短尺垂下片および長尺垂下片に、それらを相互に貫く窓孔を設けておくことにより、該窓孔に連結ボルトを通して両者をつなぎ合わせることができる。 Further, according to the present invention, by providing the short hanging piece and the long hanging piece with window holes penetrating each other, it is possible to connect the two through the window holes through a connecting bolt.

本発明にしたがう足場板の実施の形態を模式的に示した外観斜視図である。FIG. 5 is an external perspective view schematically showing an embodiment of a scaffolding board according to the present invention. 図１に示した足場板において、床板材からつかみ金具およびはり材を取り外すとともに、はり材と床板材の一部分のみを分解状態を示した外観斜視図である。In the scaffolding board shown in FIG. 1, the gripping metal fittings and the beam material are removed from the floor board material, and only a part of the beam material and the floor board material is disassembled. 図１に示した足場板において、床板材からつかみ金具およびはり材を取り外すとともに、はり材と床板材の一部分のみを分解状態を示した外観斜視図である。In the scaffolding board shown in FIG. 1, the gripping metal fittings and the beam material are removed from the floor board material, and only a part of the beam material and the floor board material is disassembled. 床板材の正面を示した図である。It is the figure which showed the front of the floor board material. 床板材の平面を示した図である。It is a figure which showed the plane of the floor board material. 床板材の側面（右側側面、左側側面は、同一に表示される）を示した図である。It is a figure which showed the side surface of the floor board material (the right side surface and the left side side are displayed in the same manner). 床板材の底面を示した図である。It is the figure which showed the bottom surface of the floor board material. 図４に示した床体材の連結前の状態を示した図である。It is a figure which showed the state before connection of the floor body material shown in FIG. （ａ）〜（ｃ）は、板材のつなぎ合わせ要領の説明図である。(A) to (c) are explanatory views of the procedure of joining plate materials. （ａ）〜（ｃ）は、板材のつなぎ合わせ要領の説明図である。(A) to (c) are explanatory views of the procedure of joining plate materials. （ａ）〜（ｃ）は、板材のつなぎ合わせ要領の説明図である。(A) to (c) are explanatory views of the procedure of joining plate materials. 本発明にしたがう足場板の他の実施の形態を示した図である。It is a figure which showed the other embodiment of the scaffolding board according to this invention. （ａ）〜（ｄ）は、本発明にしたがう足場板の他の実施の形態を示した図である。(A)-(d) is a figure which showed the other embodiment of the scaffolding board according to this invention. スライダーの作製要領の説明図である。It is explanatory drawing of the manufacturing procedure of a slider. （ａ）〜（ｃ）は、本発明にしたがう足場板のさらに他の実施の形態を示した図である。(A)-(c) are diagrams showing still another embodiment of the scaffolding board according to the present invention. はり材の別の例を示した図である。It is a figure which showed another example of a beam material.

以下、図面を参照して本発明をより具体的に説明する。なお、本発明にしたがう足場板は、スチール等の金属製部材で構成することができるものであり、仮設足場を構築するに当たっては、同じ構成からなる足場板が複数枚用いられる。なお、本発明にしたがう足場板においては、足場板の製造効率の改善、重量軽減を図る観点から、床板材を構成する板材およびはり材は、アルミニウムあるいはアルミニウム合金等を素材として所定の形状に押出し成形したものを用いてもよい。 Hereinafter, the present invention will be described in more detail with reference to the drawings. The scaffolding board according to the present invention can be made of a metal member such as steel, and when constructing a temporary scaffolding, a plurality of scaffolding boards having the same structure are used. In the scaffolding board according to the present invention, from the viewpoint of improving the manufacturing efficiency of the scaffolding board and reducing the weight, the board material and the beam material constituting the floor board material are extruded into a predetermined shape using aluminum or an aluminum alloy as a material. A molded product may be used.

図１は、本発明にしたがう足場板の実施の形態を模式的に示した外観斜視図であり、図２、３は、図１に示した足場板において、床板材からつかみ金具およびはり材を取り外すとともに、はり材と床板材の一部分のみを分解状態を示した外観斜視図である。また、図４は、床板材の正面を示した図であり、図５は、床板材の平面を示した図であり、図６は、床板材の側面（右側側面、左側側面は、同一に表示される）を示した図であり、図７は、床板材の底面を示した図であり、さらに、図８は、図４に示した床体材の連結前の状態を示した図である。 FIG. 1 is an external perspective view schematically showing an embodiment of a scaffolding board according to the present invention, and FIGS. 2 and 3 show a scaffolding board shown in FIG. It is an external perspective view which showed the disassembled state only a part of a beam material and a floor board material with being removed. Further, FIG. 4 is a view showing the front surface of the floor board material, FIG. 5 is a view showing a flat surface of the floor board material, and FIG. 6 is a view showing the side surfaces of the floor board material (the right side surface and the left side surface are the same). (Displayed) is shown, FIG. 7 is a view showing the bottom surface of the floor board material, and FIG. 8 is a view showing the state of the floor body material shown in FIG. 4 before connection. be.

図１〜８における符号１は、一対の短辺縁部Ａ、Ｂおよび一対の長辺縁部Ｃ、Ｄにて取り囲まれた区画領域を歩行経路あるいは作業面とする床板材、２は、床板材１の長辺縁部Ｃ、Ｄにその全長にわたってそれぞれ垂下保持される一対の布材である。布材２の上端部には、外方に向けて延出するとともに先端部に下向きに突出したリブ２ａを有する上壁２ｂが設けられており、布材２の下端部には、外方に向けて上壁２ｂと平行に伸延するとともに先端部に上向きに突出したリブ２ｃを有する下壁２ｄが設けられている。 Reference numeral 1 in FIGS. 1 to 8 is a floor board material whose walking path or work surface is a compartmentalized area surrounded by a pair of short edge portions A and B and a pair of long edge portions C and D, and 2 is a floor. It is a pair of cloth materials that are hung and held on the long side edges C and D of the plate material 1 over the entire length thereof. The upper end portion of the cloth material 2 is provided with an upper wall 2b having ribs 2a extending outward and protruding downward at the tip portion, and the lower end portion of the cloth material 2 is provided outward. A lower wall 2d having a rib 2c extending upward in parallel with the upper wall 2b and projecting upward is provided at the tip portion thereof.

また、符号３は、床板材１の短辺縁部Ａ、Ｂに溶接等の接合手段によってつながる一対のはり材、４は、床板材１の四隅において布材２にボルト等によって取り付けられ、仮設足場を構成する横架材（図示せず）に引っ掛けることにより床板材１を、布材２、はり材３とともに水平姿勢に保持するつかみ金具である。 Further, reference numeral 3 is a pair of beam members connected to the short edge portions A and B of the floorboard material 1 by joining means such as welding, and 4 is attached to the cloth material 2 at the four corners of the floorboard material 1 by bolts or the like and is temporarily installed. It is a gripping metal fitting that holds the floor plate material 1 in a horizontal posture together with the cloth material 2 and the beam material 3 by hooking it on a horizontal member (not shown) constituting the scaffold.

上記の構成からなる足場板において、床板材１は、長尺縁部Ｅ、Ｆを相互に突き合わせた２枚の板材１ａ、１ｂからなっており、そのうちの１の板材１ａは、突き合わせ部分に位置する長尺縁部Ｅにおいて突出する凸部５と、該凸部５の近接位置、例えばその下部に設けられた短尺垂下片６とを有している。 In the scaffolding board having the above structure, the floor board material 1 is composed of two board materials 1a and 1b in which the long edge portions E and F are butted against each other, and one of the board materials 1a is located at the butted portion. It has a convex portion 5 protruding from the long edge portion E to be formed, and a short hanging piece 6 provided at a position close to the convex portion 5, for example, a lower portion thereof.

また、もう１の板材１ｂは、長尺縁部Ｆに、凸部５に適合可能な凹部７が形成されたベース８と、該ベース８につながり、短尺垂下片６の前面部６ａに合致させるとともに、その短尺垂下片６の下端部を支持して床板材１の脚部Ｔを形成する長尺垂下片９とを有している。 Further, the other plate material 1b is connected to a base 8 in which a concave portion 7 compatible with the convex portion 5 is formed on the long edge portion F and the base 8 so as to match the front surface portion 6a of the short hanging piece 6. At the same time, it has a long hanging piece 9 that supports the lower end portion of the short hanging piece 6 and forms a leg portion T of the floor plate material 1.

短尺垂下片６は、その前面部６ａが、長尺垂下片９に合致した状態において脚部Ｔの軸芯Ｐに一致しており、凸部５は、前面部６ａよりも外方に向けて突出したものとなっており、これにより、板材１ａ、１ｂのつなぎ合わせ部分において入力された荷重を短尺垂下片６を通して長尺垂下片９に確実に伝達することができるようになっている。 The front portion 6a of the short hanging piece 6 coincides with the axis P of the leg portion T in a state where the front portion 6a conforms to the long hanging piece 9, and the convex portion 5 faces outward from the front portion 6a. It is a protruding one, so that the load input at the connecting portion of the plate members 1a and 1b can be reliably transmitted to the long hanging piece 9 through the short hanging piece 6.

また、図における符号１０は、１の板材１ａの幅方向の中間位置に設けられた脚部、符号１１は、もう１の板材１ｂの幅方向の中間位置に設けられた脚部、１２は、長尺垂下片９の下端部に設けられ、はり材３の下端部を溶接等の接合手段により接合するフランジ、１３、１４は、脚部１０、１１の下端部に設けられ、はり材３の下端部を接合するフランジ、１５は、フランジ１２、１３、１４、下壁２ｄの下面に設けられたリブ状の突起である。突起１５は、足場板を積層する際の高さ調整と、床板材１や布材２を押出し成形する際に、平滑面で傷が発生するのを防止するために設けられるものである。突起１５は、布材２の下面および長尺垂下片９の下端部に設けられたランジ１２の下面に形成するのが好ましく、板材１ａ、１ｂの幅方向の中間位置に設けられた脚部１０、１１の下端部に位置するフランジ１３、１４の下面に形成することもできる。 Further, reference numeral 10 in the figure is a leg portion provided at an intermediate position in the width direction of one plate member 1a, reference numeral 11 is a leg portion provided at an intermediate position in the width direction of another plate member 1b, and 12 is a leg portion provided at an intermediate position in the width direction. Flangees 13 and 14 provided at the lower end of the long hanging piece 9 and joining the lower end of the beam 3 by a joining means such as welding are provided at the lower ends of the legs 10 and 11 of the beam 3. The flange 15 for joining the lower end portions is a rib-shaped protrusion provided on the lower surface of the flanges 12, 13, 14 and the lower wall 2d. The protrusions 15 are provided to adjust the height when laminating the scaffolding boards and to prevent scratches on the smooth surface when the floor board material 1 and the cloth material 2 are extruded. The protrusions 15 are preferably formed on the lower surface of the cloth material 2 and the lower surface of the lunge 12 provided at the lower end of the long hanging piece 9, and the legs 10 provided at intermediate positions in the width direction of the plate materials 1a and 1b. , 11 can also be formed on the lower surfaces of the flanges 13 and 14 located at the lower end of the 11.

床板材１は、図９（ａ）〜（ｃ）に示すように、１の板材１ａの凸部５を、もう１の板材１ｂの凹部７に臨ませ、該凸部５を起点に板材１ａを回動させることによって凹部７に適合（嵌合）させ、その後に、短尺垂下片６と長尺垂下片９の相互間に跨って溶接を施し接合部Ｗを形成することによって構成されるものであって、これによれば、板材１ａ、１ｂ同士を簡単かつ、確実につなぎ合わせることができ、足場板の効率的な製造が可能となる。なお、短尺垂下片６と長尺垂下片９との溶接は、板材１ａ、１ｂの長手方向の複数個所で行うのが好ましい。 As shown in FIGS. 9A to 9C, the floor plate material 1 has a convex portion 5 of the plate material 1a facing the concave portion 7 of the other plate material 1b, and the plate material 1a starts from the convex portion 5. Is adapted (fitted) to the recess 7 by rotating, and then welded across the short hanging piece 6 and the long hanging piece 9 to form a joint portion W. According to this, the plate materials 1a and 1b can be easily and surely connected to each other, and the scaffolding plate can be efficiently manufactured. It is preferable that the short hanging piece 6 and the long hanging piece 9 are welded at a plurality of locations in the longitudinal direction of the plate members 1a and 1b.

本発明では、２枚の板材１ａ、１ｂを用いて床板材１を構成した場合を例にして説明したが、３枚以上の板材をつなぎ合わせて床板材１を構成してもよく、この点については限定されない。 In the present invention, the case where the floor plate material 1 is constructed by using two plate materials 1a and 1b has been described as an example, but the floor plate material 1 may be formed by connecting three or more plate materials. Is not limited.

図１０（ａ）〜（ｃ）は、本発明にしたがう足場板の他の実施の形態を示した図である。かかる足場板は、凸部５を下向きに突出させる一方、凹部７の開放端を上向きにして、１の板材１ａ若しくはもう１の板材１ｂをその厚さ方向にスライドさせることにより該凸部５を凹部７適合させ、次いで、板材１ａ、１ｂの突き合わせ部分に溶接を施して接合部Ｗを形成することにより板材１ａ、１ｂ同士をつなぎ合わせる構造のものであり、この場合にも、板材１ａ、１ｂを簡単かつ、確実につなぎ合わせることができる。なお、板材１ａ、１ｂをスライドさせて凸部５を凹部７に適合させるものにあっては、凸部５を凹部７に適合させた状態で短尺垂下片６の背面部６ｂに位置する起立片ｅを設けておくのが好ましく、これにより、板材１ａ、１ｂの突き合わせ部分に荷重が作用しても短尺垂下片６が長尺垂下片９から離反するのを回避することができる。 10 (a) to 10 (c) are views showing other embodiments of the scaffolding board according to the present invention. In such a scaffolding plate, the convex portion 5 is projected downward, while the open end of the concave portion 7 is directed upward, and the convex portion 5 is slid in the thickness direction of one plate material 1a or another plate material 1b. The recesses 7 are fitted, and then the butted portions of the plate materials 1a and 1b are welded to form a joint portion W, thereby connecting the plate materials 1a and 1b to each other. In this case as well, the plate materials 1a and 1b are joined together. Can be easily and surely connected. In the case where the plate members 1a and 1b are slid to fit the convex portion 5 to the concave portion 7, the standing piece located on the back surface portion 6b of the short hanging piece 6 with the convex portion 5 adapted to the concave portion 7. It is preferable to provide e, which makes it possible to prevent the short hanging piece 6 from separating from the long hanging piece 9 even if a load acts on the abutting portions of the plate members 1a and 1b.

さらに、長尺垂下片９には、板材１ｂの長尺縁部Ｆの全域あるいは複数個所に図１１（ａ）〜（ｃ）に示すような挟持片９ａを設けておくことができる。長尺垂下片９に挟持片９ａを設け、短尺垂下片６の前面部６ａを長尺垂下片９に合致させた状態において該挟持片９ａを短尺垂下片６の背面部６ｂへ屈曲させてカシメ加工を施すことにより短尺垂下片６を長尺垂下片９との間で挟持、固定することが可能であり、この場合には、溶接作業を省略できる利点がある。 Further, the long hanging piece 9 may be provided with holding pieces 9a as shown in FIGS. 11 (a) to 11 (c) in the entire area or a plurality of places of the long edge portion F of the plate material 1b. A holding piece 9a is provided on the long hanging piece 9, and the holding piece 9a is bent to the back surface 6b of the short hanging piece 6 in a state where the front portion 6a of the short hanging piece 6 is matched with the long hanging piece 9 and crimped. By processing, the short hanging piece 6 can be sandwiched and fixed with the long hanging piece 9, and in this case, there is an advantage that the welding work can be omitted.

挟持片９ａは、図１１（ｂ）に示すように、９０°程度屈曲させてカシメ加工を施してもよいし、カシメ加工の際に挟持片９ａに亀裂が生じるのを回避する観点から図１１（ｃ）に示すように、４５°程度に屈曲させてカシメ加工を施してもよい。 As shown in FIG. 11B, the sandwiching piece 9a may be bent by about 90 ° and caulked, or from the viewpoint of avoiding cracks in the sandwiching piece 9a during caulking. As shown in (c), it may be bent to about 45 ° and caulked.

図１２は、長尺垂下片９に、板材１ｂの長辺縁部Ｆに沿うガイド１６を設け、このガイド１６にそれに沿う移動のみを許容するスライダー１７を配置した例を示したものである。短尺垂下片６の前面部６ａが長尺垂下片９に合致した状態において短尺垂下片６の背面部６ｂにスライダー１７の前面１７ａを当接させることにより短尺垂下片６の、長尺垂下片９からの離反を回避する。 FIG. 12 shows an example in which a guide 16 is provided along the long edge portion F of the plate member 1b on the long hanging piece 9, and a slider 17 that allows only movement along the guide 16 is arranged on the guide 16. The long hanging piece 9 of the short hanging piece 6 is formed by bringing the front surface 17a of the slider 17 into contact with the back surface 6b of the short hanging piece 6 in a state where the front portion 6a of the short hanging piece 6 matches the long hanging piece 9. Avoid separation from.

かかる構造からなる足場板においては、図１１（ａ）〜（ｃ）に示したものと同様、溶接等の接合手段を適用せずとも、板材１ａ、１ｂ同士を確実につなぎ合わせることができるため、とくに、アルミニウムやアルミニウム合金等を素材としてそれを押し出し成形することによって足場板を製造する場合に有利である。 In the scaffolding plate having such a structure, similarly to those shown in FIGS. 11A to 11C, the plate materials 1a and 1b can be reliably connected to each other without applying a joining means such as welding. In particular, it is advantageous when a scaffolding board is manufactured by extruding an aluminum or an aluminum alloy as a material.

ガイド１６は、ここでは、Ｌ字断面をなすものを例とし、スライダー１７を、Ｃ字状断面をなすものを例として示したが、スライダー１７がガイド１６に沿う移動のみを許容するもの、すなわち、スライダー１７をガイド１６に沿って移動させることができるが、それ以外は、スライダー１７の、ガイド１６からの取り外しを不可とするものであれば、その断面形状は図示のものに限定されない。 Here, the guide 16 has an L-shaped cross section as an example, and the slider 17 has a C-shaped cross section as an example. However, the slider 17 allows only movement along the guide 16, that is, , The slider 17 can be moved along the guide 16, but other than that, the cross-sectional shape of the slider 17 is not limited to that shown as long as it cannot be removed from the guide 16.

スライダー１７の長さ（板材１ａ、１ｂの長手方向に沿う長さ）は、はり材３を、床板材１の短辺縁部Ａ、Ｂに組付けた際に、はり材３の背後に端部が突き当たってその移動が制限される長さとするのが好ましい。また、スライダー１７にはアルマイト処理等により、その表面に酸化膜を形成しておいてもよく、これによりスライド性の改善を図ることができる。 The length of the slider 17 (the length along the longitudinal direction of the plate members 1a and 1b) is the end behind the beam member 3 when the beam member 3 is assembled to the short edge portions A and B of the floor plate member 1. It is preferable that the length is such that the portions abut each other and the movement is restricted. Further, an oxide film may be formed on the surface of the slider 17 by an alumite treatment or the like, whereby the slideability can be improved.

図１３（ａ）〜（ｄ）は、短尺垂下片６の背面部６ｂに壁部１８を設けた、本発明にしたがう足場板のさらに他の実施の形態を示した図である。壁部１８は、スライダー１７の頂面１７ｂもしくは頂面１７ｂから背面１７ｃの少なくとも一部分に面して設けられており、ガイド１６と協働してスライダー１７を挟み込むものである。 13 (a) to 13 (d) are views showing still another embodiment of the scaffolding board according to the present invention, in which the wall portion 18 is provided on the back surface portion 6b of the short hanging piece 6. The wall portion 18 is provided so as to face at least a part of the back surface 17c from the top surface 17b or the top surface 17b of the slider 17, and sandwiches the slider 17 in cooperation with the guide 16.

上掲図１２、図１３（ａ）〜（ｄ）に示した構造からなる足場板は、とくに、凸部５を凹部７に臨ませ、該凸部５を起点に板材１ａを回動させることによって凹部７に適合させる、嵌合タイプの床板材１に適用して好適であり、板材１ａ、１ｂ同士の連結強度をより一層高めることができる。 In the scaffolding plate having the structures shown in FIGS. 12 and 13 (a) to 13 (d) above, in particular, the convex portion 5 faces the concave portion 7, and the plate material 1a is rotated from the convex portion 5 as a starting point. It is suitable for application to the fitting type floor plate material 1 which is adapted to the recess 7 by the above method, and the connection strength between the plate materials 1a and 1b can be further increased.

スライダー１７の断面形状や壁部１８の断面形状は、必要に応じて種々変更可能であり、図示のものに限定されることはない。 The cross-sectional shape of the slider 17 and the cross-sectional shape of the wall portion 18 can be variously changed as needed, and are not limited to those shown in the drawings.

とくに、図１３（ｄ）に示したような三角断面形状をなすスライダー１７を使用して板材１ａ、１ｂをつなぎ合わせる場合にあっては、図１４に示す如き断面を有する部材を作製し、これを中央部分でカットしたものを使用することができ、スライダー１７の作製に手間がかからないため、足場板の製造効率の改善に寄与する。 In particular, when connecting the plate members 1a and 1b using a slider 17 having a triangular cross-sectional shape as shown in FIG. 13 (d), a member having a cross section as shown in FIG. 14 is produced. Can be used, and the slider 17 can be manufactured without any trouble, which contributes to the improvement of the manufacturing efficiency of the scaffolding board.

図１５（ａ）〜（ｃ）は、短尺垂下片６および長尺垂下片９にそれぞれそれらを相互に貫く窓孔９b、６ｃを設け、この窓孔９ｂ、６ｃに連結ボルト２０を挿通させてその両者を連結させた構造のものである。 In FIGS. 15A to 15C, window holes 9b and 6c are provided in the short hanging piece 6 and the long hanging piece 9 to penetrate each other, respectively, and the connecting bolt 20 is inserted through the window holes 9b and 6c. It has a structure in which the two are connected.

かかる構造からなる足場板においても、溶接等の接合手段を適用せずとも、板材１ａ、１ｂ同士を確実につなぎ合わせることができる。 Even in a scaffolding plate having such a structure, the plate materials 1a and 1b can be reliably connected to each other without applying a joining means such as welding.

長尺垂下片９にガイド１６を設け、このガイド１６にスライダー１７を配置して板材１ａ、１ｂ同士をつなぎ合わせて上掲図１に示したような足場板を製造するには、まず、１の板材１ａの長尺縁部Ｅと、もう１の板材１ｂの長尺縁部Ｆを、凸部５と凹部７が適合するように突き合わせたのち、ガイド１６の端部からスライダー１７を差し入れてガイド１６の全域にスライダー１７を位置させる。そして、はり材３を床板材１の短辺縁部Ａ、Ｂにセットし、はり材３と床板材１との相互間を溶接により接合し、さらに、電蝕防止用のアルマイトプレートを介してつかみ金具４を布材２に連結ボルトを用いて固定すればよい。 In order to provide a guide 16 on the long hanging piece 9 and arrange a slider 17 on the guide 16 to connect the plate materials 1a and 1b to each other to manufacture a scaffolding plate as shown in FIG. 1 above, first, 1 After abutting the long edge portion E of the plate material 1a and the long edge portion F of the other plate material 1b so that the convex portion 5 and the concave portion 7 match, the slider 17 is inserted from the end of the guide 16. The slider 17 is positioned over the entire area of the guide 16. Then, the beam material 3 is set on the short edge portions A and B of the floor plate material 1, the beam material 3 and the floor plate material 1 are joined to each other by welding, and further, via an alumite plate for preventing electrolytic corrosion. The grip metal fitting 4 may be fixed to the cloth material 2 by using a connecting bolt.

本発明にしたがう足場板は、床板材１（布材２を含む）、はり材３を、アルミニウム、アルミニウム合金等を素材として用い、これを押出し成形して作製されたものを適用することが可能なので足場板の効率的な製造ができるだけでなく、その軽量化により作業性の改善も図り得る。 As the scaffolding board according to the present invention, it is possible to apply a scaffolding board made by using floor board material 1 (including cloth material 2) and beam material 3 as materials such as aluminum and aluminum alloy and extruding them. Therefore, not only can the scaffolding board be manufactured efficiently, but also the workability can be improved by reducing the weight.

はり材３としては、踏み面がフラットになるものを用いることができるが、滑り止め機能を高めるために踏面に複数本のリブ１９を設けた、図１６に示すようなはり材３を適用してもよい。 As the beam material 3, a material having a flat tread surface can be used, but a beam material 3 as shown in FIG. 16 having a plurality of ribs 19 provided on the tread surface is applied in order to enhance the anti-slip function. You may.

本発明によれば、床板材を構成する板材同士を、煩雑な作業や重量増しを伴うことなしに高い強度のもとにつなぎ合わせることが可能な足場板が提供できる。 According to the present invention, it is possible to provide a scaffolding board capable of joining board members constituting a floor board material with high strength without complicated work or weight increase.

１床板材
１ａ１の板材
１ｂもう１の板材
２布材
２ａリブ
２ｂ上壁
２ｃリブ
２ｄ下壁
３はり材
４つかみ金具
５凸部
６短尺垂下片
６ａ前面部
６ｂ背面部
６ｃ窓孔
７凹部
８ベース
９長尺垂下片
９ａ挟持片
９ｂ窓孔
１０脚部
１１脚部
１２フランジ
１３フランジ
１４フランジ
１５突起
１６ガイド
１７スライダー
１７ａ前面
１７ｂ頂面
１７ｃ背面
１８壁部
１９リブ
２０連結ボルト
Ａ、Ｂ短辺縁部
Ｃ、Ｄ長辺縁部
Ｅ、Ｆ長尺縁部
Ｔ脚部
Ｐ軸芯
Ｗ接合部
ｅ起立片 1 Floor board 1a 1 board 1b Another board 2 Cloth 2a Rib 2b Upper wall 2c Rib 2d Lower wall 3 Flange 4 Grab metal 5 Convex 6 Short hanging piece 6a Front 6b Back 6c Window hole 7 Recess 8 Base 9 Long hanging piece 9a Holding piece 9b Window hole 10 Leg 11 Leg 12 Flange 13 Flange 14 Flange 15 Protrusion 16 Guide 17 Slider 17a Front 17b Top 17c Back 18 Wall 19 Rib 20 Connecting bolts A, B Short sides Edges C, D Long flange E, F Long edge T Leg P Axial core W Joint e Standing piece

Claims

一対の短辺縁部および一対の長辺縁部にて取り囲まれた区画領域を、歩行経路あるいは作業面とする床板材と、該床板材の長辺縁部にその全長にわたってそれぞれ垂下保持される一対の布材と、該床板材の短辺縁部につながる一対のはり材とを備えた足場板であって、
前記床板材は、長尺縁部を相互に突き合わせた少なくとも２枚の板材からなり、そのうちの１の板材は、突き合わせ部分に位置する長尺縁部において突出する凸部と、該凸部に近接して設けられた短尺垂下片とを有し、もう１の板材は、該凸部に適合可能な凹部が形成されたベースと、該ベースにつながり、該短尺垂下片の外側面に合致させるとともにその下端部を支持して床板材の脚部を形成する長尺垂下片とを有することを特徴とする足場板。 The partition area surrounded by the pair of short edge portions and the pair of long edge portions is held by the floor plate material as a walking path or work surface and the long edge portion of the floor plate material by hanging over the entire length. A scaffolding board including a pair of cloth materials and a pair of beam materials connected to the short edge portion of the floor board material.
The floor board material is composed of at least two board materials whose long edge portions are butted against each other, and one of the board materials is a convex portion protruding at the long edge portion located at the butted portion and a convex portion close to the convex portion. The other plate material has a base in which a concave portion compatible with the convex portion is formed, and is connected to the base so as to match the outer surface of the short hanging piece. A scaffolding board having a long hanging piece that supports the lower end portion and forms a leg portion of a floor board material.

前記足場板は、前記床板材の四隅において前記布材に取り付けられ、横架材に引っ掛けることにより前記床板材を、前記布材、前記はり材とともに水平姿勢に保持するつかみ金具を備えることを特徴とする請求項１に記載した足場板。 The scaffolding board is attached to the cloth material at four corners of the floor board material, and is provided with a grip fitting for holding the floor board material in a horizontal posture together with the cloth material and the beam material by hooking on the horizontal member. The scaffolding board according to claim 1.

前記凸部は、該凸部を前記凹部に臨ませ、該凸部を起点に板材を回動させることによって前記凹部に適合させるものであることを特徴とする請求項１または２に記載した足場板。 The scaffold according to claim 1 or 2, wherein the convex portion is adapted to the concave portion by making the convex portion face the concave portion and rotating a plate material from the convex portion as a starting point. Board.

前記凸部は、１の板材もしくはもう一方の板材をその厚さ方向にスライドさせることにより前記凹部に適合させるものであることを特徴とする請求項１または２に記載した足場板。 The scaffolding plate according to claim 1 or 2, wherein the convex portion is adapted to the concave portion by sliding one plate material or the other plate material in the thickness direction thereof.

前記短尺垂下片は、その前面部が、前記長尺垂下片に合致した状態において前記脚部の軸芯に一致しており、前記凸部は、該前面部よりも外方に向けて突出したものであることを特徴とする請求項１〜４のいずれか１項に記載した足場板。 The front portion of the short hanging piece coincides with the axis of the leg in a state where the front portion matches the long hanging piece, and the convex portion protrudes outward from the front portion. The scaffolding board according to any one of claims 1 to 4, characterized in that it is a thing.

前記長尺垂下片は、前記短尺垂下片の前面部を該長尺垂下片に合致させた状態において該短尺垂下片の背面部への屈曲、カシメ加工により該短尺垂下片を該長尺垂下片との間で挟持可能な少なくとも１つの挟持片を有することを特徴とする請求項１〜５のいずれか１項に記載した足場板。 In the long hanging piece, the short hanging piece is bent and crimped to the back surface of the short hanging piece in a state where the front portion of the short hanging piece is matched with the long hanging piece. The scaffolding board according to any one of claims 1 to 5, wherein the scaffolding plate has at least one sandwiching piece that can be sandwiched between the two.

前記長尺垂下片に、板材の長辺縁部に沿うガイドを設け、該ガイドに、それに沿う移動のみを許容するとともに前記短尺垂下片の前面部が該長尺垂下片に合致した状態において該短尺垂下片の背面部に前面を当接させて該短尺垂下片の、該長尺垂下片からの離反を回避するスライダーを配設してなることを特徴とする請求項１〜５のいずれか１項に記載した足場板。 The long hanging piece is provided with a guide along the long edge portion of the plate material, and the guide is allowed to move only along the guide, and the front portion of the short hanging piece is aligned with the long hanging piece. Any of claims 1 to 5, wherein a slider is provided so that the front surface of the short hanging piece is brought into contact with the back surface portion of the short hanging piece to prevent the short hanging piece from separating from the long hanging piece. The scaffolding board described in item 1.

前記短尺垂下片は、その背面部に、前記スライダーの頂面もしくは該頂面から背面の少なくとも一部分に面して設けられ、前記ガイドと協同して該スライダーを挟み込む壁部を有することを特徴とする請求項７に記載した足場板。 The short hanging piece is provided on the back surface thereof so as to face the top surface of the slider or at least a part of the back surface from the top surface, and has a wall portion for sandwiching the slider in cooperation with the guide. The scaffolding board according to claim 7.

前記スライダーは、はり材の背後にそれぞれ端部が突き当たってその移動が制限される長さを有することを特徴とする請求項７または８に記載した足場板。 The scaffolding plate according to claim 7 or 8, wherein the slider has a length such that its end abuts behind the beam material and its movement is restricted.

前記短尺垂下片および前記長尺垂下片は、それらを相互に貫き、連結ボルトを挿通させてその両者を連結させる窓孔を有することを特徴とする請求項１〜５のいずれか１項に記載した足場板。 The one according to any one of claims 1 to 5, wherein the short hanging piece and the long hanging piece have a window hole that penetrates each other and inserts a connecting bolt to connect the two. Scaffolding board.

前記布板の下面および前記長尺垂下片の下端部のフランジ下面に、リブ状の突起を有することを特徴とする請求項１〜１０のいずれか１項に記載した足場板。 The scaffolding plate according to any one of claims 1 to 10, wherein rib-shaped protrusions are provided on the lower surface of the cloth plate and the lower surface of the flange at the lower end of the long hanging piece.