JP4621028B2 - Scaffolding plate structure - Google Patents

Scaffolding plate structure Download PDF

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JP4621028B2
JP4621028B2 JP2005005331A JP2005005331A JP4621028B2 JP 4621028 B2 JP4621028 B2 JP 4621028B2 JP 2005005331 A JP2005005331 A JP 2005005331A JP 2005005331 A JP2005005331 A JP 2005005331A JP 4621028 B2 JP4621028 B2 JP 4621028B2
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plate
scaffold
horizontal
horizontal member
convex portion
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JP2006193947A (en
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忠彦 藤城
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株式会社ラリック
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この発明は、各種作業用の足場や支保工を組み立てる仮設構造物において、特に支柱間に設けた横架材に足場板を掛け渡してなる足場板構造に関するものである。 The present invention relates to a scaffold structure for assembling scaffolds and supporting works for various works, and in particular, a scaffold board structure in which a scaffold board is stretched over a horizontal member provided between columns.

従来の足場板構造は、丸形や角形のパイプからなる横架材と、両端に把持部を設けた足場板とからなる（例えば、特許文献１および非特許文献１を参照）。 A conventional scaffold plate structure includes a horizontal member made of a round or square pipe and a scaffold plate provided with gripping portions at both ends (see, for example, Patent Document 1 and Non-Patent Document 1).

実公平１−１８７５３号公報（第３頁、第２図）Japanese Utility Model Publication No. 1-18753 (page 3, Fig. 2) 日綜産業株式会社、“ＮＩＳＳＯ ＣＤカタログ ＮＩＳＳＯ（ニッソー） シルクロード アルミ製布付き布わく・・・つま先板脱着式・無隙間足場”、［online］、［平成１６年１月２０日検索］、インターネット＜URL：http://www.nisso-sangyo.co.jp/silkroad.html＞NS Internet <URL: http://www.nisso-sangyo.co.jp/silkroad.html>

ここに例示した従来技術のうち、特許文献１に示されたものにあっては、作業板の両端から把持部が突出した構造であるため、その突出分だけ横架材と作業板の間に隙間ができる。この隙間は作業員の歩行時に躓く原因となるばかりでなく、完全な空洞となるため工具等が落下する等の危険がある。 Among the conventional techniques exemplified here, the one shown in Patent Document 1 has a structure in which the gripping portion protrudes from both ends of the work plate, and therefore, there is a gap between the horizontal member and the work plate by the amount of the protrusion. it can. This gap not only causes a crawl when an operator walks, but also forms a complete cavity, and there is a risk of tools falling.

これに対して非特許文献１に示されたものは、把持部を作業板両端の凹凸加工によって構成し、且つ、両端を千鳥状としているため、横架材に掛け渡したとき隣り合う足場板の両端形状が合致して、隙間のない状態で足場板を構築することができるが、足場板を連設しない箇所については、やはり横架材との間に隙間が生じることになり、その安全性は万全とは言えなかったのである。 On the other hand, what is shown in Non-Patent Document 1 is that the gripping portion is formed by uneven processing at both ends of the work plate and both ends are staggered, so that the adjacent scaffold plates when spanned over the horizontal member It is possible to construct a scaffolding plate with the same shape at both ends and without any gaps. However, in places where the scaffolding plate is not connected, there will still be a gap between the frame and the safety. Sex was not perfect.

本発明は、上述した課題を解決するためになされたもので、その目的とするところは、何れの箇所であっても横架材と足場板の間に隙間が生ぜず、作業員の歩行や工具等の落下防止について充分な安全性が確保された足場板構造を提供することである。 The present invention has been made in order to solve the above-described problems. The purpose of the present invention is to prevent any gap between the horizontal member and the scaffolding plate at any location, and to allow workers to walk, tools, etc. It is to provide a scaffold plate structure in which sufficient safety is ensured with respect to prevention of falling.

上述した目的を達成するために本発明では、支柱間に設けた横架材に足場板を掛け渡す構造であって、前記横架材は、一枚の金属板を折り曲げ成形して、足場板の両端が載置可能な水平部の中央に長手方向に向かって凸状部を立設した、全体を断面中空のＴ字状とするという手段を用いた。この手段によれば、足場板が横架材の水平部に重畳して載置されるため、隙間が生じない。また、凸状部によって足場板の長手方向の動きが規制され、足場板が安定する。さらに、凸状部を境として、足場板を連設することができる。 In order to achieve the above-described object, the present invention has a structure in which a scaffolding plate is hung on a horizontal member provided between struts, and the horizontal member is formed by bending a single metal plate to form a scaffolding plate. A projecting portion was erected in the longitudinal direction at the center of the horizontal portion on which both ends of the plate could be placed, and the whole was formed into a T-shape having a hollow cross section . According to this means, since the scaffolding plate is placed so as to overlap the horizontal portion of the horizontal member, no gap is generated. Further, the movement of the scaffold plate in the longitudinal direction is restricted by the convex portion, and the scaffold plate is stabilized. Furthermore, a scaffolding plate can be provided continuously with the convex portion as a boundary.

また、横架材の水平部上に突片を立設すると共に、足場板の両端裏面には前記突片の係合穴を設けることによって、幅方向にも足場板の動きを規制することができ、より安定性を増す。さらに、突片と係合穴は横架材に足場板を掛け渡すときの位置決めとしても機能する。なお、この構成に代えて、横架材を、一枚の金属板を折り曲げ成形して、水平部の中央に長手方向に設けた仕切凸状部と、該仕切凸状部の左右に足場板の両端裏面に設けた凹溝と嵌合可能に設けた固定凸状部とからなる、全体を断面中空の略山字状とした構成によっても達成することができる。また、当該構成においても足場板の設置後、その浮き上がりを防止するため、横架材の仕切凸状部の立ち上がり面に挿通孔を形成すると共に、足場板には前記挿通孔に出入可能なスライドピンを設けることが好ましい。ここで断面略山字状とは、水平部に３つの立ち上がり（凸状部）を有する形状をいい、中央の立ち上がりを高くして、その左右に水平部の端部に位置して中央のそれよりも低い立ち上がりを設けた形状が典型例であるが、それぞれの立ち上がりの高さは足場板の形状等に合わせて変更され、また左右の立ち上がりの形成位置も水平部の左右端部（側端部）に限定されず、これまた足場板の載置態様等に応じて水平部の任意の位置に設けることができる。 In addition, while projecting pieces are erected on the horizontal part of the horizontal member, and the engagement holes of the projecting pieces are provided on the back surfaces of both ends of the scaffolding plate, the movement of the scaffolding plate can also be regulated in the width direction. And increase stability. Furthermore, the projecting piece and the engagement hole function as positioning when the scaffolding plate is hung on the horizontal member. Instead of this configuration, a horizontal member is formed by bending a single metal plate, a partition convex portion provided in the longitudinal direction in the center of the horizontal portion, and a scaffolding plate on the left and right of the partition convex portion. It can also be achieved by a configuration in which the whole is formed of a concave groove provided on the back surfaces of both ends and a fixed convex part provided so as to be fitted , and has a substantially cross-sectionally hollow shape . Also in this configuration, after installing the scaffolding plate, an insertion hole is formed in the rising surface of the partitioning convex portion of the horizontal member to prevent the scaffolding from rising, and the scaffolding plate is a slide that can enter and exit the insertion hole. It is preferable to provide a pin. Here, the cross-sectional substantially chevron shape means a shape having three rising parts (convex parts) in the horizontal part, with the central rising part being raised and positioned at the ends of the horizontal part on the left and right sides thereof. A shape with lower rise is a typical example, but the height of each rise is changed according to the shape etc. of the scaffolding plate, and the formation position of the left and right rise is also the left and right end (side edge) of the horizontal part It is not limited to (part), but can be provided at an arbitrary position of the horizontal part according to the mounting mode of the scaffolding plate and the like.

さらに、突片は凸状部と平行する板状部材に挿通孔を形成してなり、足場板には前記挿通孔に出入可能なスライドピンを設けたものにあっては、スライドピンを挿通孔に嵌め込むことによって足場板の浮き上がりを防止する。また、スライドピンは足場板の裏側から操作することができるため、下階から上階にある足場板のスライドピンを操作することができる。この手段において、突片の挿通孔を横長孔に形成することによって、ピン挿通に遊びができ、足場板の設置位置について誤差を吸収することができる。 Further, the projecting piece has an insertion hole formed in a plate-like member parallel to the convex portion, and the slide plate is provided with a slide pin that can be inserted into and removed from the insertion hole. The scaffolding plate is prevented from being lifted up by being fitted in. Moreover, since the slide pin can be operated from the back side of the scaffold board, the slide pin of the scaffold board from the lower floor to the upper floor can be operated. In this means, by forming the insertion hole of the projecting piece into a horizontally long hole, it is possible to play the pin insertion, and it is possible to absorb an error in the installation position of the scaffold plate.

また、横架材の中央の凸状部は、足場板を水平部上に載置したとき、足場板の上面と同じ高さとなるように構成することによって、足場板と凸状部が平面的に面一となり、段差が生じない。 Moreover, when the scaffolding plate is placed on the horizontal part, the convex part at the center of the horizontal member is configured to have the same height as the upper surface of the scaffolding plate so that the scaffolding plate and the convex part are planar. The level difference will not occur.

ところで、足場板の設置後は、その端部と中央の凸状部に全く隙間が生じないのが理想的であるが、そのためには足場板を水平状態のまま慎重に降ろす必要があり、その設置作業に時間や手間がかかることになる。そこで、足場板を迅速且つ簡単に設置するには、足場板を斜めにして、横架材の突片に対し、裏面に形成した係合穴を片方ずつ嵌め込むことが考えられる。そこで、本発明では、横架材の中央の凸状部の立ち上がり面をテーパ状に傾斜して設けることによって、前記嵌め込み時に足場板の端部と凸状部が干渉するのを回避している。また、この手段によれば、凸状部の立ち上がり傾斜角度を調整することによって、足場板の設置後、その下角が横架材の水平部と中央の凸状部によって形成される角と密着する場合であっても、上述した要領で足場板を設置することができる。 By the way, after installing the scaffolding plate, it is ideal that there is no gap between the end and the central convex part, but for that purpose it is necessary to carefully lower the scaffolding plate in a horizontal state, Installation work takes time and effort. Therefore, in order to install the scaffolding plate quickly and easily, it is conceivable that the scaffolding plate is inclined and the engagement holes formed on the back surface are fitted into the projecting pieces of the horizontal member one by one. Therefore, in the present invention, by providing the rising surface of the convex portion at the center of the horizontal member in a tapered shape, it is possible to avoid interference between the end portion of the scaffold plate and the convex portion at the time of fitting. . Further, according to this means, by adjusting the rising inclination angle of the convex portion, the lower corner of the scaffolding plate is in close contact with the corner formed by the horizontal portion and the central convex portion of the horizontal member after the scaffold plate is installed. Even if it is a case, a scaffold board can be installed in the way mentioned above.

一方、本発明では、横架材の左右には支柱に固定可能な脚材を設けて門型フレームを構成すると共に、さらに横架材と脚材との間を斜材を設けるという手段をも用いることがある。この手段によれば、横架材が脚材によって補強されると共に、斜材によっても脚材への荷重分散が図られる。そして、仮設足場や支保工システムの妻側が本発明の門型フレームによって構成されることなり、そのラーメン構造によって捻れに強い仮設足場や支保工システムとすることができる。 On the other hand, in the present invention, there is provided means for providing a gate-shaped frame by providing legs that can be fixed to the support columns on the left and right sides of the horizontal member, and further providing a diagonal member between the horizontal member and the leg member. May be used. According to this means, the horizontal member is reinforced by the leg member, and the load is distributed to the leg member by the diagonal member. And the wife side of a temporary scaffold or a support system is comprised by the portal frame of this invention, and it can be set as a temporary scaffold and a support system strong against a twist with the ramen structure.

また、本発明では、外周に差込みポケットを設けた支柱に適用するように、横架材の両端に楔緊結式の接続金具を設けることがある。 Further, in the present invention, a wedge-tightening type connection fitting may be provided at both ends of the horizontal member so as to be applied to a column having an insertion pocket on the outer periphery.

上述した手段を採用した本発明によれば、横架材を断面略Ｔ字状とし、その水平部上に足場板の両端を重畳して載置することができるため、歩行の妨げや工具等が落下する隙間が一切生ぜず、安全性に優れる。また、横架材の水平部上に突片を立設すると共に、足場板の両端裏面に前記突片の係合穴を設けることによって、足場板の幅方向の動きを規制することができ、足場板の安定性が増すと共に、突片と係合穴は横架材に足場板を掛け渡すときの位置決めとしても機能する。さらに、突片の挿通孔に足場板に設けたスライドピンを嵌め込むことができるようにしたので、足場板の浮き上がりが防止され、より安定性の高い足場板構造とすることができる。 According to the present invention employing the above-described means, the cross member has a substantially T-shaped cross section, and both ends of the scaffolding plate can be placed on the horizontal portion so as to be hindered in walking, tools, etc. There is no gap to drop, and it is excellent in safety. In addition, while standing the protrusion on the horizontal part of the horizontal member, by providing the engagement holes of the protrusion on the back of both ends of the scaffold plate, it is possible to regulate the movement in the width direction of the scaffold plate, While the stability of the scaffolding plate is increased, the projecting piece and the engagement hole also function as positioning when the scaffolding plate is hung on the horizontal member. Furthermore, since the slide pin provided on the scaffold plate can be fitted into the insertion hole of the projecting piece, the scaffold plate can be prevented from being lifted, and a more stable scaffold plate structure can be obtained.

また、横架材の凸状部を足場板の厚みと同じ高さに設定することによって、足場板と凸状部が平面的に面一となり、段差が生じないため、安全に歩行できる。さらに、横架材の凸状部の立ち上がり面をテーパ状に傾斜して設けるようにしたので、足場板の端部と凸状部の干渉を回避して、迅速且つ簡易に足場板を設置することができるといった実用的利便性に優れる足場板構造である。 In addition, by setting the convex portion of the horizontal member to the same height as the thickness of the scaffold plate, the scaffold plate and the convex portion are flush with each other, and no step is generated, so that it is possible to walk safely. Furthermore, since the rising surface of the convex portion of the horizontal member is inclined and provided in a tapered shape, interference between the end portion of the scaffold plate and the convex portion is avoided, and the scaffold plate is installed quickly and easily. It is a scaffold plate structure that is excellent in practical convenience.

以下、本発明の好ましい実施の形態を添付した図面に従って説明する。図１は横架材１０の正面図、図２は横架材の平面図、図３は横架材の側面図、図４は図１におけるＡ−Ａ線端面図であって、この実施形態において横架材１０は、一枚の金属板を折り曲げ成形して、水平部１の中央に長手方向に向かって凸状部２を立設した、全体が断面中空の略Ｔ字状からなり、両端には支柱Ｓの差込みポケットＰに嵌入可能な楔緊結式の接続金具３を設けている。凸状部２は、図４に示す通り、後述する理由により、先細りのテーパ状となるように、その立ち上がり面２ａを傾斜してなる。 Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. 1 is a front view of a horizontal member 10, FIG. 2 is a plan view of the horizontal member, FIG. 3 is a side view of the horizontal member, and FIG. 4 is an end view taken along line AA in FIG. horizontal member 10 in the molded bending a single metal plate, standing convex portion 2 at the center of the horizontal portion 1 toward the longitudinal entirely made from a cross-sectional hollow substantially T-shaped, At both ends, there are provided wedge-type connection fittings 3 that can be inserted into the insertion pockets P of the support columns S. As shown in FIG. 4, the convex portion 2 is formed by inclining the rising surface 2 a so as to have a tapered shape for the reason described later.

また、この実施形態では、図１に示すように、その長さ（長手方向）を足場板２０を横並びに並設できるように設定してあり、その他、図２、３、４に示される通り、各足場板２０の中央に位置するように、左右端からそれぞれ略１／４長をもって、水平部１上に突片４を立設している。この突片４は、凸状部２と平行する板状部材４ａに挿通孔４ｂを形成してなる。なお、この実施形態では挿通孔４ｂを円形としているが、その他の形状であってもよく、特に、横長孔とすれば、後述するスライドピンの挿入に関して、遊びができて好ましい。 Moreover, in this embodiment, as shown in FIG. 1, the length (longitudinal direction) is set so that the scaffolding plate 20 can be arranged side by side. In addition, as shown in FIGS. The projecting pieces 4 are erected on the horizontal portion 1 so as to be located at the center of each scaffold plate 20 with a length of about 1/4 from the left and right ends. The protruding piece 4 is formed by forming an insertion hole 4 b in a plate-like member 4 a parallel to the convex portion 2. Although in this embodiment has a through hole 4b is circular, it may be other shapes, in particular, if Horizontal holes, for the insertion of the slide pin to be described later, preferably made that play.

一方、足場板２０の具体的構成は、図５に示すように、従来と同様の矩形の外観を呈する本体２１の両端裏面２２に、横架材１０の突片４を嵌め込むことができる係合穴２３を形成すると共に、両端裏面２２に横架材１０の突片４に形成された挿通孔４ｂに出入可能なスライドピン２４を設けている。なお、足場板２０を四方を内側に折曲成型して立体中空とし、上面２５にスパイク兼水抜き孔２６を形成する等は従来の足場板と同じ構成とすることができる。 On the other hand, as shown in FIG. 5, the specific structure of the scaffold plate 20 is such that the protruding pieces 4 of the horizontal member 10 can be fitted into the back surfaces 22 of both ends of the main body 21 that has a rectangular appearance similar to the conventional one. In addition to forming the joint hole 23, slide pins 24 that can be inserted into and removed from the insertion holes 4 b formed in the protruding pieces 4 of the horizontal member 10 are provided on the back surfaces 22 at both ends. The scaffold plate 20 can be formed in the same configuration as a conventional scaffold plate by bending the four sides inward to form a three-dimensional hollow and forming the spike and drain hole 26 on the upper surface 25.

上述した構成において足場板２０を構築する手順を、図６、７に従って説明すると、先ず足場板２０を斜めの状態として、その裏面２２に形成された係合穴２３を片方ずつ横架材１０の突片４に差込む。このとき足場板２０のスライドピン２４は引っ込めた状態としておくことはもちろんである。このように足場板２０を斜めの状態として、その両端を片方ずつ横架材１０の水平部１に載置すれば、作業を迅速且つ簡易に行うことができるのであるが、足場板２０を斜めにした分、その端部が横架材１０の凸状部２と干渉しやすくなる。しかしながら、この実施形態では凸状部２の立ち上がり面２ａを傾斜しているため、足場板２０を斜めにした場合でも上記干渉が回避されたまま、係合穴２３に対する突片４の差込み作業を行うことができる。 The procedure for constructing the scaffolding plate 20 in the above-described configuration will be described with reference to FIGS. Insert into the protrusion 4. At this time, it goes without saying that the slide pin 24 of the scaffold plate 20 is in a retracted state. Thus, if the scaffolding plate 20 is in an oblique state and both ends thereof are placed on the horizontal part 1 of the horizontal member 10 one by one, the work can be performed quickly and easily. As a result, the end portion easily interferes with the convex portion 2 of the horizontal member 10. However, in this embodiment, since the rising surface 2a of the convex portion 2 is inclined, even when the scaffolding plate 20 is inclined, the insertion of the projecting piece 4 into the engagement hole 23 is performed while the interference is avoided. It can be carried out.

このようにして、足場板２０の片方について、係合穴２３への突片４の差込み作業が完了したなら、図７に示すように、他方の端部を降ろして足場板２０を水平状態にすることにより、他方の端部についても、その係合穴２３に突片４が差し込まれると共に、足場板２０の両端が横架材１０の水平部１に重畳した状態で載置される。この状態で、足場板２０の長手方向の動きは凸状部２及び係合穴２３と突片４の係合により、また左右方向の動きは係合穴２３と突片４の係合により規制されるから、足場板２０の平面方向の安定性は保たれる。 In this manner, when the insertion work of the projecting piece 4 into the engagement hole 23 is completed for one side of the scaffold plate 20, the other end is lowered to bring the scaffold plate 20 into a horizontal state as shown in FIG. As a result, the projecting piece 4 is also inserted into the engagement hole 23 of the other end, and the both ends of the scaffold plate 20 are placed in a state of being superimposed on the horizontal portion 1 of the horizontal member 10. In this state, the movement of the scaffold plate 20 in the longitudinal direction is restricted by the engagement between the convex portion 2 and the engagement hole 23 and the protruding piece 4, and the movement in the left-right direction is restricted by the engagement of the engaging hole 23 and the protruding piece 4. Therefore, the stability of the scaffold plate 20 in the planar direction is maintained.

そして、図７に示すように、スライドピン２４を突出して、突片４の挿通孔４ｂに挿入することにより、足場板２０の浮き上がりも防止されるのである。なお、この実施形態ではスライドピン２４の後端は足場板２０の裏面開放面から露出しているため、下階から上階の足場板２０について、そのスライドピン２４を出入操作することができるように構成している。また、スライドピン２４の不用意な出入を防止するためには、ピン軸を所定角度の範囲で回動させることにより、出入状態がそれぞれロックされる構成を採用することが好ましい（この実施形態の場合、ピン軸をＬ字とし、９０度の範囲で回動可能としている）。 Then, as shown in FIG. 7, when the slide pin 24 protrudes and is inserted into the insertion hole 4 b of the protruding piece 4, the scaffold plate 20 is prevented from being lifted. Since the rear end of the slide pin 24 is exposed from the back open surface of the scaffolding plate 20 in this embodiment, the scaffolding plate 20 of the upper floor from the lower floor, so that it is possible to and from operating the slide pin 24 It is configured. In order to prevent inadvertent entry / exit of the slide pin 24, it is preferable to adopt a configuration in which the in / out state is locked by rotating the pin shaft within a predetermined angle range (in this embodiment). In this case, the pin shaft is L-shaped and can be rotated within a range of 90 degrees).

図８は、本発明の第二実施形態を示したものである。この実施形態の特徴は、上記実施形態で説明した突片４に代えて横架材１０の水平部１上に凸状部３０を設けると共に、係合穴２３に代えて足場板２０の裏面２２に前記凸状部３０と嵌合可能な凹溝３１を構成したことにある。その作用効果は、突片４と係合穴２３の場合とほぼ同じである。なお、凹溝３１は足場板２０の幅全域に設けるものであるが、横架材１０の凸状部３０は長手方向に連続して設ける必要はなく、突片４と同じように所定箇所のみに設けることも可能である。 FIG. 8 shows a second embodiment of the present invention. The feature of this embodiment is that a convex portion 30 is provided on the horizontal portion 1 of the horizontal member 10 in place of the projecting piece 4 described in the above embodiment, and the back surface 22 of the scaffolding plate 20 in place of the engagement hole 23. In other words, a concave groove 31 that can be fitted to the convex portion 30 is formed. The effect is almost the same as that of the protrusion 4 and the engagement hole 23. In addition, although the concave groove 31 is provided in the whole width | variety of the scaffold board 20, the convex-shaped part 30 of the horizontal member 10 does not need to be provided continuously in a longitudinal direction, and it is only a predetermined part like the protrusion piece 4. FIG. It is also possible to provide it.

さらに、この第二実施形態では、足場板２０の載置後に浮き上がりを防止する手段として、上述したスライドピン２４に代えて、回動可能なコ字状の固定金具３２を採用している。該固定金具３２は足場板２０の載置作業時には水平状態にロックされ、載置後に９０度回転させることにより、そのアゴ部３２ａを足場板２０の裏面２２に係合させて、その挟持作用により足場板２０の浮き上がりを防止するものである。 Further, in the second embodiment, as a means for preventing the lifting after the scaffold plate 20 is placed, a rotatable U-shaped fixing bracket 32 is employed in place of the slide pin 24 described above. The fixing bracket 32 is locked in a horizontal state when the scaffolding plate 20 is placed, and is rotated by 90 degrees after placing, so that the jaw portion 32a is engaged with the back surface 22 of the scaffolding plate 20, and the clamping action is thereby achieved. This prevents the scaffold plate 20 from being lifted.

続いて、図９は本発明構造の第三実施形態として例示する横架材３０の断面図、図１０は同平面図、図１１は同側面図であって、当該横架材３０の全体的な形状は上記第二実施形態とほぼ同じである。即ち、この実施形態の横架材３０も水平部３１の中央に長手方向に向かって設置される足場板を左右に仕切る凸状部３２が設けられる共に、当該仕切凸状部３２の左右に足場体の両端裏面に設けた凹溝と嵌合して、足場板を固定するための固定凸状部３３が形成されている。６０は横架材３０の両端に設けた上記第一実施形態と同構成の楔緊結式の接続金具である。さらに詳述すれば、本横架材３０は一枚の金属板を折り曲げ成形（ロール成形）によって水平部３１・仕切凸状部３２および固定凸状部３３を一体に成形した中空の山字状からなる。当該成形によって横架材３０は凸状部３２・３３を溶接等により設ける必要がなくなり、生産性が高い。なお、当該成形に伴って、左右の固定凸状部３３は中央の仕切凸状部と同様に長手方向に連続した状態で設けられる。また、折り曲げ成形時のライン流れは引き抜きであっても押出しであってもよい。 9 is a cross-sectional view of the horizontal member 30 exemplified as the third embodiment of the structure of the present invention, FIG. 10 is a plan view thereof, and FIG. 11 is a side view thereof. The shape is almost the same as in the second embodiment. That is, the horizontal member 30 of this embodiment is also provided with a convex portion 32 that divides the scaffolding plate installed in the longitudinal direction in the center of the horizontal portion 31 to the left and right, and to the left and right of the partition convex portion 32. Fixing convex portions 33 for fixing the scaffolding plate are formed by fitting with the concave grooves provided on the back surfaces of both ends of the body. Reference numeral 60 denotes a wedge-tightening connection fitting having the same configuration as that of the first embodiment provided at both ends of the horizontal member 30. More specifically, the horizontal member 30 is a hollow mountain shape in which the horizontal portion 31, the partition convex portion 32 and the fixed convex portion 33 are integrally formed by bending a single metal plate (roll molding). Consists of. By the molding, the horizontal member 30 does not need to be provided with the convex portions 32 and 33 by welding or the like, and the productivity is high. With the molding, the left and right fixed convex portions 33 are provided in a state of being continuous in the longitudinal direction in the same manner as the central partition convex portion. Moreover, the line flow at the time of bending may be drawing or extrusion.

図１２、１３は第三実施形態の横架材３０に対する足場板４０の取付態様を示したもので、横架材３０の立ち上がり面３４には挿通孔３５が形成されている共に、足場体４０の両端にはスライドピン５０が取付けられている。即ち、当該取付態様によれば、先ず足場板４０の両端をその凹溝４１が固定凸状部３３と嵌合するように水平部３１に載置した後、スライドピン５０を突出して挿通孔３５にロックさせることで、足場板４０を長手方向のズレおよび浮き上がりが拘束された状態で横架材３０に取付けることができる。なお、スライドピン５０の構造は上記第一実施形態のものと同じであり、Ｌ字のピン軸５１を９０度回動させることでピン先５２が挿通孔３５に出入するものである。なお、５３はピン先を突出方向に付勢するバネであり、突出前では収縮した状態に維持されるものである。 12 and 13 show how the scaffolding plate 40 is attached to the horizontal member 30 of the third embodiment. An insertion hole 35 is formed in the rising surface 34 of the horizontal member 30, and the scaffold body 40 is also shown in FIGS. Slide pins 50 are attached to both ends of the. That is, according to the mounting mode, first, the both ends of the scaffold plate 40 are first placed on the horizontal portion 31 so that the concave grooves 41 are fitted to the fixed convex portions 33, and then the slide pin 50 protrudes to insert the insertion hole 35. By being locked, the scaffold plate 40 can be attached to the horizontal member 30 in a state where displacement and lifting in the longitudinal direction are restrained. The structure of the slide pin 50 is the same as that of the first embodiment, and the pin tip 52 enters and exits the insertion hole 35 by rotating the L-shaped pin shaft 51 by 90 degrees. Reference numeral 53 denotes a spring that biases the pin tip in the protruding direction, and is maintained in a contracted state before protruding.

図１４は、本発明の第四実施形態を示したものである。この実施形態においては、横架材７０の左右に脚材７１を設けて門型フレームを構成している。さらに、横架材７０と脚材７１の間に斜材７２を溶接等により一体に設けて補強している。このように脚材７１および斜材７２により補強された横架材７０は、全体としてラーメン構造となり、これを組み込んだ仮設足場や支保工システムは捻れに強いものとなる。 FIG. 14 shows a fourth embodiment of the present invention. In this embodiment, leg members 71 are provided on the left and right sides of the horizontal member 70 to form a portal frame. Further, a diagonal member 72 is integrally provided between the horizontal member 70 and the leg member 71 by welding or the like for reinforcement. Thus, the horizontal member 70 reinforced by the leg members 71 and the diagonal members 72 has a ramen structure as a whole, and the temporary scaffolding and support system incorporating the same are resistant to twisting.

さらに、この実施形態では、横架材７０の両端に上記実施形態と同構成の楔緊結式接続金具７３が設けられると共に、脚材７１の下部にも支柱の差込みポケットに固定可能な鈎型フック７４が設けられている。この構成により横架材７０は、楔緊結式接続金具７３と脚材７１の鈎型フック７４の合計、即ち実質的に４点で支柱に固定されることになるため、支柱への取付強度が高く、前記ラーメン構造による作用効果が向上する。また、脚材７１のフック７４を仮固定用として利用できるため、上記実施形態のように楔緊結式接続金具のみの２点止めの構成に比べて門型フレームの取り付けおよび取り外しを安全に行うことができる。ただし、支柱の差込みポケットへの固定構造は本実施形態に限定されず、横架材７０と脚材７１とで同じ接続金具を採用することも可能であるし、また支柱あるいは支柱間に設けられる水平つなぎに脱着可能に固定できるものであれば、接続金具は楔緊結式や鈎型フックに限定されない。 Further, in this embodiment, a wedge-type connection fitting 73 having the same configuration as that of the above-described embodiment is provided at both ends of the horizontal member 70, and a hook-type hook that can be fixed to the insertion pocket of the support column at the lower portion of the leg member 71. 74 is provided. With this configuration, the horizontal member 70 is fixed to the column at the total of the wedge-tightening connection fitting 73 and the hook-shaped hook 74 of the leg member 71, that is, substantially at four points. The effect of the ramen structure is improved. Further, since the hooks 74 of the leg members 71 can be used for temporary fixing, it is possible to safely attach and remove the portal frame as compared with the two-point fastening configuration using only the wedge-tightening type connection fitting as in the above embodiment. Can do. However, the structure for fixing the column to the insertion pocket is not limited to this embodiment, and it is possible to adopt the same connection fitting for the horizontal member 70 and the leg member 71, and also to be provided between the columns or the columns. The connection fitting is not limited to a wedge-tightening type or a hook-type hook as long as it can be detachably fixed to the horizontal joint.

なお、この第四実施形態の横架材７０は、従来技術と同様に、丸形や角形のパイプからなり、両端に把持部を設けた足場板を掛け渡すことを予定しているが、上記実施形態と同じく中央に凸状部を設けたものであってもよいことはもちろんである。 Note that the horizontal member 70 of the fourth embodiment is made of a round or square pipe, as in the prior art, and is scheduled to span a scaffolding plate provided with gripping portions at both ends. Of course, a convex portion may be provided in the center as in the embodiment.

本発明の一実施形態に係る横架材の正面図The front view of the horizontal member which concerns on one Embodiment of this invention 同横架材の平面図Top view of the horizontal member 同横架材の側面図Side view of the horizontal member 図１におけるＡ−Ａ線端面図AA line end view in FIG. 同実施形態に係る足場板の説明図Explanatory drawing of the scaffold board concerning the embodiment 同実施形態における足場板の設置手順を示した説明図Explanatory drawing which showed the installation procedure of the scaffold board in the same embodiment 同設置手順の最終工程を示した説明図Explanatory drawing showing the final process of the installation procedure 本発明の第二実施形態に係る横架材と足場板の取り合い図Intersection diagram of horizontal member and scaffolding plate according to second embodiment of the present invention 本発明の第三実施形態に係る横架材の断面図Sectional drawing of the horizontal member which concerns on 3rd embodiment of this invention. 同横架材の平面図Top view of the horizontal member 同横架材の側面図Side view of the horizontal member 同実施形態における横架材と足場板の取り合い図（ロック前）Intersection diagram of horizontal member and scaffolding board in the same embodiment (before lock) 同実施形態における横架材と足場板の取り合い図（ロック後）Intersection diagram of horizontal member and scaffolding board in the same embodiment (after locking) 本発明の第四実施形態に係る横架材を含む門型フレームの正面図The front view of the portal frame containing the horizontal member which concerns on 4th embodiment of this invention

１ 水平部
２ 凸状部
３ 楔緊結式の接続金具
４ 突片
１０ 横架材
２０ 足場板
２１ 足場板の本体
２２ 足場板の裏面
２３ 係合穴
２４ スライドピン
Ｓ 支柱
Ｐ 差込みポケット DESCRIPTION OF SYMBOLS 1 Horizontal part 2 Convex part 3 Wedge binding type connection fitting 4 Protruding piece 10 Horizontal member 20 Scaffold plate 21 Scaffold plate main body 22 Back surface of scaffold plate 23 Engagement hole 24 Slide pin S Post P P Insertion pocket

Claims (9)

支柱間に設けた横架材に足場板を掛け渡す構造であって、前記横架材は、一枚の金属板を折り曲げ成形して、足場板の両端が載置可能な水平部の中央に長手方向に向かって凸状部を立設した、全体を断面中空の略Ｔ字状とすると共に、前記水平部上に突片を立設してなる一方、足場板の両端裏面には前記突片の係合穴を設けたことを特徴とする足場板構造。 It is a structure that spans a scaffolding plate between horizontal members provided between columns, and the horizontal member is formed by bending a single metal plate at the center of the horizontal part where both ends of the scaffolding plate can be placed. A projecting portion is erected in the longitudinal direction, and the whole has a substantially T-shape with a hollow cross section. Projections are erected on the horizontal portion. A scaffold plate structure characterized in that a single engagement hole is provided . 前記突片は凸状部と平行する板状部材に挿通孔を形成してなり、足場板には前記挿通孔に出入可能なスライドピンを設けた請求項１記載の足場板構造。 The projecting piece is made by forming a through hole in the plate member parallel to the convex portion, scaffolding plate structure of claim 1, wherein the scaffold plate provided with and out can slide pin into the insertion hole. 前記突片の挿通孔は横長孔に形成される請求項２記載の足場板構造。 The scaffold plate structure according to claim 2, wherein the insertion hole of the projecting piece is formed in a horizontally long hole. 支柱間に設けた横架材に足場板を掛け渡す構造であって、前記横架材は、一枚の金属板を折り曲げ成形して、水平部と、該水平部の中央に長手方向に設けた仕切凸状部と、該仕切凸状部の左右に足場板の両端裏面に設けた凹溝と嵌合可能に設けた固定凸状部とからなる、全体を断面中空の略山字状としたことを特徴とする足場板構造。 It is a structure that spans a scaffold plate between horizontal members provided between columns, and the horizontal member is formed by bending a single metal plate in the longitudinal direction at the horizontal part and the center of the horizontal part. A partition convex portion, and a concave convex portion provided on the back of both ends of the scaffolding plate on the left and right sides of the partition convex portion, and a fixed convex portion provided so as to be fitted with each other. Scaffolding board structure characterized by that. 横架材の仕切凸状部の立ち上がり面には挿通孔を形成すると共に、足場板には前記挿通孔に出入可能なスライドピンを設けた請求項４記載の足場板構造。 The scaffold board structure according to claim 4, wherein an insertion hole is formed in a rising surface of the partition convex portion of the horizontal member, and a slide pin that can be inserted into and removed from the insertion hole is provided in the scaffold board. 横架材の中央の凸状部は、足場板を水平部上に載置したとき、足場板の上面と同じ高さとなるように構成した請求項１から５のうち何れか一項記載の足場板構造。 The scaffold according to any one of claims 1 to 5 , wherein the central convex portion of the horizontal member is configured to have the same height as the upper surface of the scaffold plate when the scaffold plate is placed on the horizontal portion. Board structure. 横架材の中央の凸状部はその立ち上がり面をテーパ状に傾斜して設けた請求項１から６のうち何れか一項記載の足場板構造。 The scaffolding plate structure according to any one of claims 1 to 6 , wherein the convex portion at the center of the horizontal member has a rising surface inclined in a tapered shape. 横架材の左右には支柱に固定可能な脚材を設けて門型フレームを構成すると共に、さらに横架材と脚材との間に斜材を設けた請求項１から７のうち何れか一項記載の足場板構造。 With the left and right horizontal member constituting the portal frame is provided fixable leg members to the strut, any one of claims 1 to 7 in which a diagonal member between the further horizontal member and leg members A scaffold plate structure according to one item. 横架材の両端には支柱に設けた差込みポケット用の楔緊結式接続金具を設けた請求項１から８のうち何れか一項記載の足場板構造。 The scaffold board structure according to any one of claims 1 to 8 , wherein a wedge-tightening connection fitting for an insertion pocket provided on a support column is provided at both ends of the horizontal member.
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JP2000230313A (en) * 1999-02-10 2000-08-22 Fumio Fujiki Standard frame and auxiliary member therefor
JP2000303682A (en) * 1999-04-20 2000-10-31 Koyo Kikai Sangyo Kk Suspended scaffold and its constructing method

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* Cited by examiner, † Cited by third party
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JPH0322920U (en) * 1989-07-12 1991-03-11
JPH06299691A (en) * 1993-04-16 1994-10-25 Tatsuo Ono Frame scaffold
JPH10212823A (en) * 1997-01-31 1998-08-11 Showa Alum Corp Mounting device of scaffolding board to erection frame
JPH1136577A (en) * 1997-07-22 1999-02-09 Koyo Kikai Sangyo Kk Mounting structure of fabric frame with floor for temporary scaffolding and fabric frame with floor
JP2000230313A (en) * 1999-02-10 2000-08-22 Fumio Fujiki Standard frame and auxiliary member therefor
JP2000303682A (en) * 1999-04-20 2000-10-31 Koyo Kikai Sangyo Kk Suspended scaffold and its constructing method

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