JP2017089128A - Overhang platform of temporary scaffold - Google Patents

Overhang platform of temporary scaffold Download PDF

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JP2017089128A
JP2017089128A JP2015216725A JP2015216725A JP2017089128A JP 2017089128 A JP2017089128 A JP 2017089128A JP 2015216725 A JP2015216725 A JP 2015216725A JP 2015216725 A JP2015216725 A JP 2015216725A JP 2017089128 A JP2017089128 A JP 2017089128A
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晃弘 深田
Akihiro Fukada
晃弘 深田
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Abstract

PROBLEM TO BE SOLVED: To easily unload a long size material to this work space, by providing the work space being wide (long in the length of the side paralleled to a structure) in the floor area in a high position, in a large-sized temporary scaffold such as being installed by drawing near to the structure on the outside or the inside of the structure such as a high-rise building.SOLUTION: An overhang platform comprises a pair of front-rear beam members 8 for connecting mutual columns 5a in a state of sandwiching these column front face and column rear face to a plurality of mutually separately erected columns 5a, a plurality of floor joist members 9 joined to an upper part of both front-rear beam members 8 in the crossing direction to the longitudinal direction of the beam members 8, put in a projection state of turning to at least one of the front or the rear and arranged in a plurality of places between the columns 5a for extending the beam members 8 and a floorboard 10 laid over on the plurality of floor joist members 9.SELECTED DRAWING: Figure 1

Description

本発明は、仮設足場に設置する張出プラットフォームに関する。   The present invention relates to an overhanging platform installed on a temporary scaffold.

鳥居型（門型）に一体形成された軽量建て枠（ビティ枠）の複数を、鋼製布板（天板）及び筋交い（ブレース）で連結しながら箱形にし、更にこの箱形を多数連結することで櫓型に組み立てて構築する仮設足場は一般的に周知である。この種の仮設足場において、一枚又は二枚布板の両端位置（一対の建て枠の各上端近傍）に引っ掛けた２本のワイヤで、その二段下側に配置される布板に高さを合わせてゴンドラを吊り下げることにより、このゴンドラの床面上を、実質的に布板面積を拡大させるための荷取りステージとして利用することが提案されている（特許文献１参照）。   A number of lightweight building frames (bitty frames) that are integrally formed with the torii type (gate type) are connected to each other with steel cloth plates (top plates) and braces (braces) to form a box shape. Temporary scaffolds that are assembled and constructed in a saddle shape are generally well known. In this type of temporary scaffolding, two wires hooked at both end positions (near the upper ends of a pair of building frames) of one or two cloth boards, the height of the cloth board placed on the lower side of the two steps It is proposed that the gondola is used as a loading stage for substantially expanding the cloth board area by suspending the gondola in combination (see Patent Document 1).

一方、高層建物等の構築物に寄り添わせて設置する大型の仮設足場（組み立てにクレーンなどの重機が必要となるもの）としては、トラス構造によって形成されたビームを支柱として立設したり、互いに離反させて立て込んだビーム相互間（支柱と支柱との間）へ梁部材として水平に架設したりすることによって構築するものが公知である。この種の仮設足場では、梁部材の上（すなわち、支柱と支柱との間）に足場板を設置することで作業床を構成させることが提案されている（特許文献２参照）。   On the other hand, as a large temporary scaffold (installed with heavy machinery such as a crane for assembly) installed close to a structure such as a high-rise building, a beam formed by a truss structure can be erected as a support column, It is well known that a beam member is constructed by horizontally laying between beams (between struts and struts) standing upright apart. In this type of temporary scaffold, it has been proposed to configure a work floor by installing a scaffold plate on a beam member (that is, between a support column and a support column) (see Patent Document 2).

特開平１１―３６５７３号公報JP-A-11-36573 特開２０１５−５５０５８号公報Japanese Patent Laying-Open No. 2015-55058

特許文献１で提案された荷取りステージでは、一対の建て枠を布板によって連結する間隔が布板の長さとして規格統一化されていることから、この建て枠の連結間隔の整数倍を超えた大型のゴンドラを吊り下げることはできないものであった。これが要因となり、ステージの床面広さ（ゴンドラの幅＝構築物に平行させる辺の長さ）は狭隘となることは必定である。そのため、ステージに載せることのできる荷物は、その長さが厳しく制限されてしまうという問題があった。のみならず、ゴンドラの幅方向両側には吊り下げ用のワイヤが張られているので、そもそも、これらワイヤが邪魔となってゴンドラの幅よりも相当に短い荷物しか載せることができないという問題があった。   In the unloading stage proposed in Patent Document 1, since the interval between the pair of building frames connected by the cloth plate is standardized as the length of the cloth plate, it exceeds an integral multiple of the connection interval of this building frame. It was impossible to hang a large gondola. As a result, the floor area of the stage (the width of the gondola = the length of the side parallel to the structure) must be narrow. Therefore, there is a problem that the length of the luggage that can be placed on the stage is severely limited. Not only that, the hanging wires are stretched on both sides in the width direction of the gondola, so in the first place, there is a problem that these wires can interfere with each other and only luggage that is considerably shorter than the width of the gondola can be loaded. It was.

特許文献２で提案された作業床では、支柱と支柱との間に挟み込むように架設することが前提条件である。そのため、作業床として形成し得る長さ（構築物に平行させる辺の長さ）は、支柱を立て込むことが許容される相互間距離に支配されることになる。しかしながら、支柱の相互間距離を長くし過ぎると作業床としてのスパンが長くなって撓みなどの構造的問題に繋がる。その結果として、作業床の長さを長くすることには自ずと限度がある。換言すれば、作業床に撓みなどの構造的問題が生じないように、支柱の相互間距離が制限されることになる。   In the work floor proposed in Patent Document 2, it is a precondition that the work floor is constructed so as to be sandwiched between the columns. Therefore, the length that can be formed as a work floor (the length of the side parallel to the structure) is governed by the mutual distance that allows the support columns to stand up. However, if the distance between the struts is too long, the span as the work floor becomes long, leading to structural problems such as bending. As a result, there is a natural limit to increasing the length of the work floor. In other words, the distance between the struts is limited so that structural problems such as flexure do not occur on the work floor.

また、作業床は支柱と支柱との間に挟み込むように架設するため、それぞれの作業床の真上には、恰も、集合住宅のベランダのように、上段側の作業床が重合状に被さっていることを意味する。そのため、この上段側の作業床や両側の支柱との衝突を回避しながら、重機にて吊り上げた荷物を各作業床へ移載させる作業はとても困難であるという問題もあった。   In addition, since the work floor is constructed so as to be sandwiched between the support pillars, the work floor on the upper side is covered in a superposed manner just above each work floor, like the veranda of the apartment house. Means that For this reason, there is a problem that it is very difficult to transfer a load lifted by a heavy machine to each work floor while avoiding a collision with the upper work floor and the columns on both sides.

本発明は、上記事情に鑑みてなされたものであって、高層建物等の構築物の外部又は内部で、構築物に寄り添わせて設置するような大型の仮設足場において、高所位置であっても床面積の広い（構築物に平行させる辺の長さが長い）作業スペースを設けることができ、またこの作業スペースに対して長尺物などの荷上げが容易に行えるようにした仮設足場の張出プラットフォームを提供することを目的とする。   The present invention has been made in view of the above circumstances, and in a large temporary scaffold that is installed close to a structure outside or inside a structure such as a high-rise building, even if it is at a high position A work space with a large floor area (long side parallel to the structure) can be provided, and a temporary scaffolding that can easily load long objects can be loaded into this work space. The purpose is to provide a platform.

前記目的を達成するために、本発明は次の手段を講じた。
即ち、本発明に係る仮設足場の張出プラットフォームでは、互いに離反して立てられる複数本の支柱に対してそれらの柱前面及び柱後面を挟持した状態で支柱相互を連結する前後一対の梁部材と、前記梁部材の長手方向に交差する向きで前後の両梁部材上部に結合されると共に前方又は後方の少なくとも一方へ向けた突出状態とされ且つ前記梁部材が架け渡される支柱間の複数箇所に配置される複数本の根太部材と、前記複数本の根太部材上に渡り並べて載設される床板と、を有していることを特徴とする。 In order to achieve the above object, the present invention has taken the following measures.
That is, in the overhang platform of the temporary scaffold according to the present invention, a pair of front and rear beam members for connecting the columns to each other in a state where the column front surface and the column rear surface are sandwiched with respect to a plurality of columns standing apart from each other. , Coupled to the upper part of the front and rear beam members in a direction intersecting with the longitudinal direction of the beam member, and in a projecting state toward at least one of the front and rear, and at a plurality of positions between the columns on which the beam member is bridged It has a plurality of joist members to be arranged, and a floor board placed side by side on the plurality of joists members.

前記梁部材は、互いに平行して設けられる上管及び下管とこれら上下両管を長手方向の複数箇所で上下方向に連結する複数本の連結杆とを備えたラダー構造を有したものとするのが好適である。
複数本の前記根太部材上に被さる配置で前記床板を超えて起立する幅木部材が前記支柱の柱前面又は柱後面に結合されたものとしてもよい。 The beam member has a ladder structure including an upper pipe and a lower pipe provided in parallel to each other and a plurality of connecting rods that connect the upper and lower pipes in a longitudinal direction at a plurality of longitudinal positions. Is preferred.
A baseboard member standing over the floor board in an arrangement covering a plurality of joist members may be coupled to the front surface of the column or the rear surface of the column.

前記床板が載設された外周部に沿って安全柵が設置されたものとしてもよい。
前記支柱間を渡って載設される前記床板と同一レベルを保持したままで前記支柱における柱前面又は柱後面の少なくとも一方に前記床板が設けられたものとすることができる。 A safety fence may be installed along the outer periphery on which the floor board is mounted.
The floor board may be provided on at least one of the front surface of the pillar or the rear face of the pillar while maintaining the same level as the floor board placed between the pillars.

本発明に係る仮設足場の張出プラットフォームでは、高層建物等の構築物の外部又は内部で、構築物に寄り添わせて設置するような大型の仮設足場において、高所位置であっても床面積の広い（構築物に平行させる辺の長さが長い）作業スペースを設けることができ、またこの作業スペースに対して長尺物などの荷上げが容易に行えるものとなる。   In the overhang platform of the temporary scaffolding according to the present invention, a large temporary scaffolding installed close to the structure outside or inside a structure such as a high-rise building has a large floor area even at a high position. A work space can be provided (the length of the side parallel to the structure is long), and a long object can be easily loaded into the work space.

本発明に係る張出プラットフォームの主要部を示した斜視図である。It is the perspective view which showed the principal part of the overhang | projection platform which concerns on this invention. 本発明に係る張出プラットフォームを示した平面図である。It is the top view which showed the overhang | projection platform which concerns on this invention. 図２のＡ−Ａ線断面図である。It is the sectional view on the AA line of FIG. 本発明に係る張出プラットフォームの使用例を示した側面図である。It is the side view which showed the usage example of the overhang | projection platform which concerns on this invention. 梁部材を示した斜視図である。It is the perspective view which showed the beam member. 本発明に係る張出プラットフォームの別の構築例を示した側面図である。It is the side view which showed another construction example of the overhang | projection platform which concerns on this invention.

以下、本発明の実施の形態を、図面に基づき説明する。
図１乃至図５は本発明に係る張出プラットフォーム１を示している。図４に示すように、この張出プラットフォーム１は、高層建物などの構築物２の内部や外部（図例は内部）で、この構築物２に寄り添って設置される仮設足場３に対して好適に使用できる。この張出プラットフォーム１は、例えば、構築物２に平行にする辺の長さ（図２の左右方向）が８ｍ又はそれ以上にも及ぶような広い床面積を有したものとして形成することができる。 Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show an overhanging platform 1 according to the present invention. As shown in FIG. 4, this overhanging platform 1 is preferably used for a temporary scaffold 3 installed close to the structure 2 inside or outside the structure 2 such as a high-rise building (in the example, the inside). it can. This overhanging platform 1 can be formed, for example, as having a large floor area such that the length of the side parallel to the structure 2 (left-right direction in FIG. 2) extends to 8 m or more.

本実施形態において、仮設足場３は中空又は中実の棒材などでトラス構造に組んだビーム５（５ａ〜５ｄ）を複数本組み合わせることで櫓型に組み立てたものとして例示してあり、これらビーム５のうち高さ方向に用いられた（立て込まれた）複数本のビーム５ａを、張出プラットフォーム１の組み立てを行う際の支柱（以下、符号「５ａ」を流用する）として使用する。このような仮設足場３(支柱５ａ)に対し、張出プラットフォーム１を設ける高さ位置や高さ方向の設置数などは特に限定されるものではない。   In the present embodiment, the temporary scaffold 3 is illustrated as being assembled in a bowl shape by combining a plurality of beams 5 (5a to 5d) assembled in a truss structure with a hollow or solid bar or the like. A plurality of beams 5a used (stand-up) in the height direction among 5 are used as struts (hereinafter referred to as “5a”) when the overhanging platform 1 is assembled. With respect to such a temporary scaffold 3 (post 5a), the height position where the overhanging platform 1 is provided and the number of installations in the height direction are not particularly limited.

この張出プラットフォーム１は、図１乃至図３に示すように、前後一対の梁部材８と、これら梁部材８から前方又は後方の少なくとも一方へ突出状態に設けられる複数本の根太部材９と、これら複数本の根太部材９上に渡り並べて載設される床板１０とを組み合わせることによって構成される。また、この張出プラットフォーム１は、根太部材９上に設ける幅木部材１２，１３や、床板１０の回りを取り囲むように設ける安全柵１４を有した構成とするのが好適である。   As shown in FIGS. 1 to 3, the overhanging platform 1 includes a pair of front and rear beam members 8, and a plurality of joist members 9 provided so as to protrude from the beam members 8 to at least one of the front and rear sides, The plurality of joists 9 are combined with a floor plate 10 mounted side by side. The overhanging platform 1 preferably includes a baseboard members 12 and 13 provided on the joist member 9 and a safety fence 14 provided so as to surround the floor board 10.

なお、本明細書において「前」は、支柱５ａの位置から構築物２に向く方向を言うものとし、また「後」は支柱５ａの位置から構築物２を見たときに背が向く方向を言うものとする。また支柱５ａの位置に対する「前」及び「後」を基準として、これらに直交する横方向をそれぞれ「左」及び「右」と言うものとする。
前後一対の梁部材８は、左右方向において互いに離反して設けられる複数本の支柱５ａを連結する状態で用いられる。これら前後の梁部材８は、支柱５ａの柱前面と柱後面とに振り分けて同じ高さ位置に配置され、それぞれ支柱５ａに対して結合される。すなわち、前後の梁部材８は、支柱５ａを前後から挟持した状態になる。 In this specification, “front” refers to the direction from the position of the support column 5a toward the structure 2, and “rear” refers to the direction of the back when the structure 2 is viewed from the position of the support column 5a. And Further, with reference to “front” and “rear” with respect to the position of the column 5a, the lateral directions orthogonal to these are referred to as “left” and “right”, respectively.
The pair of front and rear beam members 8 are used in a state of connecting a plurality of support columns 5a provided to be separated from each other in the left-right direction. These front and rear beam members 8 are distributed to the front surface and the rear surface of the column 5a and arranged at the same height position, and are respectively coupled to the column 5a. That is, the front and rear beam members 8 are in a state of sandwiching the column 5a from the front and rear.

梁部材８と支柱５ａとの結合は、例えばクランプ具や専用の取付金具などによって行えばよい。支柱５ａに対して前後方向に貫通する孔などが設けられている場合は、この貫通孔を利用したボルト止めを行うことで梁部材８の結合を行ってもよい。
梁部材８には、図５に示すように、互いに平行して設けられる上管１７及び下管１８とこれら上下両管１７，１８を長手方向の複数箇所で上下方向に連結する複数本の連結杆１９とを備えたラダー構造を有している。上管１７や下管１８と連結杆１９との連結は溶接によるものとする。連結杆１９は、上管１７や下管１８に対して直交したものとするのがよいが、斜め方向に傾けて斜材（ブレース）として作用させてもよいし、これら直交配置のものと斜め配置のものとを混合させてもよい。 The beam member 8 and the column 5a may be coupled to each other with, for example, a clamp tool or a dedicated mounting bracket. When a hole or the like that penetrates the column 5a in the front-rear direction is provided, the beam member 8 may be coupled by bolting using the through-hole.
As shown in FIG. 5, the beam member 8 includes an upper pipe 17 and a lower pipe 18 provided in parallel to each other, and a plurality of connections for connecting the upper and lower pipes 17 and 18 in a vertical direction at a plurality of longitudinal positions. It has a ladder structure with a collar 19. The upper pipe 17 or the lower pipe 18 and the connecting rod 19 are connected by welding. The connecting rod 19 is preferably orthogonal to the upper tube 17 and the lower tube 18, but may be tilted in an oblique direction so as to act as an oblique material (brace), or obliquely connected to those orthogonally arranged. You may mix the thing of arrangement.

連結杆１９は、丸パイプや角パイプ等の管材とすることで、梁部材８としての軽量化を図るのが好適である。この場合、連結杆１９の端部を径方向両側から加圧して扁平に変形させると共に、その中空楕円の長軸方向が上管１７や下管１８の外周面と馴染むように連結杆１９の端部を半月状に加工したうえで上管１７や下管１８へ突き当て、連結杆１９の端部まわり全周を溶接する接合法を採用すると、極めて強靭な連結を行うことができる。ただ、連結杆１９はＨ形鋼やＬ形鋼等の条材、中実棒材などによって形成することもできる。   The connecting rod 19 is preferably made of a pipe material such as a round pipe or a square pipe, thereby reducing the weight of the beam member 8. In this case, the end of the connecting rod 19 is pressed from both sides in the radial direction and deformed into a flat shape, and the end of the connecting rod 19 is adjusted so that the major axis direction of the hollow ellipse fits with the outer peripheral surfaces of the upper tube 17 and the lower tube 18. If a joining method is employed in which the part is processed into a half-moon shape and then abutted against the upper tube 17 or the lower tube 18 and the entire periphery of the end of the connecting rod 19 is welded, an extremely strong connection can be achieved. However, the connecting rod 19 can also be formed by a strip such as H-shaped steel or L-shaped steel, a solid bar, or the like.

具体的には、上管１７及び下管１８に外径４８．６ｍｍの鉄製丸パイプを用い、上管１７の上面と下管１８の下面との上下間を２００ｍｍ程度とし、また連結杆１９には外径２７ｍｍの鉄製丸パイプを用いた。梁部材８の長さは４２００ｍｍとした。
このような梁部材８を支えとしてその上部に設ける根太部材９は、前記したように長手方向を前後方向へ向けた状態とされて前後の梁部材８の上部（上管１７上）に載せられ、これら前後の梁部材８に結合される。本実施形態では根太部材９が前側の梁部材８を超えて前方へのみ突出しているものとしたが、後側の梁部材８を超えて後方へ突出したものとしたり、前後両方へ突出したものとしたりすることができる。 Specifically, an iron round pipe having an outer diameter of 48.6 mm is used for the upper pipe 17 and the lower pipe 18, and the vertical distance between the upper surface of the upper pipe 17 and the lower surface of the lower pipe 18 is about 200 mm. Used an iron round pipe having an outer diameter of 27 mm. The length of the beam member 8 was 4200 mm.
The joist member 9 provided on the upper portion of the beam member 8 as a support is placed on the upper portion (on the upper tube 17) of the front and rear beam members 8 with the longitudinal direction thereof set in the front-rear direction as described above. These are coupled to the front and rear beam members 8. In the present embodiment, the joist member 9 protrudes forward only beyond the front beam member 8, but protrudes rearward beyond the rear beam member 8, or protrudes both front and rear. It can be done.

根太部材９は、梁部材８の長手方向（左右方向）に対し、強度上の必要性に対応させた間隔、又は一定間隔に並べて配置することができる。従って、複数本の根太部材９の相互間隔が統一のないバラバラの間隔となる場合もある。当然に、根太部材９の使用本数は何ら限定されるものではない。
例えば、図１及び図２に示すように、後述する床板１０の端部同士が突き合わせとなる位置（矢符Ｘ）では、隣り合う根太部材９の間隔Ｈを、他の間隔よりも狭く設定するといったことは自在に行えるものである。なお、この場合の間隔Ｈは、具体的には４００ｍｍ以下とする（一枚の床板１０に対するオーバーハング量を２００ｍｍ以下にする）のが好適である。 The joist members 9 can be arranged side by side at intervals corresponding to the necessity of strength or at regular intervals with respect to the longitudinal direction (left-right direction) of the beam member 8. Therefore, there may be a case where the mutual intervals of the plurality of joists 9 are not uniform. Of course, the number of joists 9 used is not limited.
For example, as shown in FIG. 1 and FIG. 2, at the position (arrow X) where the ends of the floorboard 10 to be described later meet each other, the interval H between adjacent joists 9 is set to be narrower than other intervals. Can be done freely. In this case, the interval H is preferably 400 mm or less (the overhang amount with respect to one floor board 10 is 200 mm or less).

また、根太部材９を梁部材８から突出させる寸法についても、床板１０上に予定される耐荷重に対してこの根太部材９の曲げモーメントが許容される範囲内であれば、何ら限定されるものではない。付言すると、根太部材９は前後の梁部材８により、前後方向に間隔をおいて支持される状態（２点支持）になっているので、強度面で補強され、曲がり難くなっていると言うことができる。   Also, the dimension for projecting the joist member 9 from the beam member 8 is not limited as long as the joist member 9 has a bending moment with respect to the expected load resistance on the floor board 10. is not. In other words, the joist member 9 is supported by the front and rear beam members 8 at an interval in the front-rear direction (two-point support), so that it is reinforced in terms of strength and is difficult to bend. Can do.

根太部材９は、例えば丸パイプや角パイプ等の管材をはじめ、Ｈ形鋼やＬ形鋼等の条材、中実棒材などによって形成することができる。また、梁部材８で説明したようなラダー構造の構造体として形成してもよい。
根太部材９と梁部材８との結合は、例えばクランプ具や専用の取付金具などによって行えばよい。梁部材８に対して上下方向に貫通する孔などが設けられている場合は、この貫通孔を利用したボルト止めを行うことで根太部材９の結合を行ってもよい。 The joist member 9 can be formed of, for example, a pipe such as a round pipe or a square pipe, a strip such as an H-shaped steel or an L-shaped steel, or a solid bar. Further, it may be formed as a ladder structure as described in the beam member 8.
The joist member 9 and the beam member 8 may be coupled by, for example, a clamp tool or a dedicated mounting bracket. When a hole or the like penetrating in the vertical direction with respect to the beam member 8 is provided, the joist member 9 may be coupled by bolting using the through hole.

このような根太部材９を支えとしてその上に載設される床板１０は、複数本の根太部材９に渡ることができるように左右方向の長さが設定されている。根太部材９が梁部材８よ
りも突出した長さを有していることから、床板１０は、支柱５ａの柱前面や柱後面を横切る状態に設けることができる。すなわち、本発明に係る張出プラットフォーム１においては、支柱５ａの前方や後方に作業スペースや歩行スペース、荷置きスペースなどを設けることができるものである。 The floor plate 10 placed on the joist member 9 as a support is set to have a length in the left-right direction so as to be able to cross over the plural joist members 9. Since the joist member 9 has a length projecting from the beam member 8, the floor board 10 can be provided in a state of crossing the column front surface and the column rear surface of the column 5a. That is, in the overhanging platform 1 according to the present invention, a working space, a walking space, a loading space, and the like can be provided in front of and behind the support column 5a.

床板１０には、アルミ板を主体としてその外周部に折り曲げ辺を設けた盤状物をはじめとして、ベニヤ合板、無垢の木材、合成樹脂板などにより形成されたものを用いることができる。
床板１０と根太部材９との結合は、例えばクランプ具や専用の取付金具などによって行えばよい。根太部材９に対して上下方向に貫通する孔などが設けられている場合は、この貫通孔を利用したボルト止めを行うことで床板１０の結合を行ってもよい。 The floor board 10 can be made of a veneer plywood, solid wood, a synthetic resin board, or the like, including a plate-like object mainly composed of an aluminum plate and provided with a bent side at the outer periphery thereof.
What is necessary is just to perform the coupling | bonding of the floor board 10 and the joist member 9 with a clamp tool, a dedicated mounting bracket, etc., for example. When the hole etc. which penetrate in the up-down direction with respect to the joist member 9 are provided, you may couple | bond the floor board 10 by bolting using this through-hole.

以上のように、現場に立つ複数本の支柱５ａを利用して前後一対の梁部材８と、その上部に設ける複数本の梁部材８と、これら複数本の梁部材８上に渡るように並べて載設する床板１０とにより、本発明に係る張出プラットフォーム１を構成させることができる。この張出プラットフォーム１を使用するうえでは、根太部材９上に幅木部材１２，１３を設けるのが好適とされ、また床板１０の回りを取り囲むように安全柵１４を設けるのが好適とされる。   As described above, a pair of front and rear beam members 8, a plurality of beam members 8 provided on the top thereof, and a plurality of beam members 8 arranged side by side using a plurality of columns 5 a standing on the site. The overhanging platform 1 according to the present invention can be constituted by the floor plate 10 to be placed. In using this overhanging platform 1, it is preferable to provide baseboard members 12, 13 on the joist member 9, and it is preferable to provide a safety fence 14 so as to surround the floor plate 10. .

ここで幅木部材１２，１３は、梁部材８から非突出側に配置する方(本実施形態では後側)に設ける幅木部材１２と、梁部材８から突出側に配置する方（本実施形態では前側）に設ける幅木部材１３とに分類する。
後側の幅木部材１２は、複数本の根太部材９上に被さる配置としたうえで、支柱５ａの柱前面又は柱後面に結合する。幅木部材１２の下端を根太部材９の上面に対して接触させた状態とすることが好ましいが、必ずしも接触させることが限定されるものではない。とは言え、幅木部材１２が根太部材９に対して可及的に近接した一関係にするのが好適である。 Here, the skirting members 12 and 13 are disposed on the non-protruding side from the beam member 8 (the rear side in the present embodiment), and the skirting members 12 and 13 are disposed on the protruding side from the beam member 8 (this embodiment). They are classified into baseboard members 13 provided on the front side).
The rear skirting member 12 is arranged so as to cover the plurality of joists 9 and is coupled to the front surface or rear surface of the column 5a. Although it is preferable that the lower end of the skirting member 12 is in contact with the upper surface of the joist member 9, the contact is not necessarily limited. However, it is preferable that the baseboard member 12 be in a relationship as close as possible to the joist member 9.

すなわち、幅木部材１２は支柱５ａに結合されることで上下方向に位置ズレを起こすことが防止されるので、根太部材９に対し浮上したり曲がったりしようとする負荷が生じた場合でも、この負荷が幅木部材１２によって打ち消されるようになる。その結果として、根太部材９の浮上や曲がりが防止され、床板１０の支持が確実に行えるものとなる。
この幅木部材１２は、床板１０を超えて起立したものとするのが好適である。このようにすることで、床板１０上の荷物や工具が落下するのを防止でき、また作業者の安全を図ることに有益に作用する。 That is, since the baseboard member 12 is coupled to the support column 5a, it is prevented from being displaced in the vertical direction. Therefore, even when a load that tends to float or bend with respect to the joist member 9 occurs, The load is canceled by the baseboard member 12. As a result, the joist member 9 is prevented from rising and bending, and the floor board 10 can be reliably supported.
The skirting member 12 is preferably raised over the floor board 10. By doing in this way, it can prevent that the load and tool on the floor board 10 fall, and it acts beneficially for ensuring an operator's safety.

幅木部材１２には、具体的にはアルミ板を主体としてその外周部に折り曲げ辺を設けた盤状物をはじめとして、ベニヤ合板、無垢の木材、合成樹脂板などにより形成されたものを用いることができる。実際には、床板１０と共通のものを使用すればよい。
後側の幅木部材１２と支柱５ａとの結合は、例えばクランプ具や専用の取付金具などによって行えばよい。支柱５ａに対して前後方向に貫通する孔などが設けられている場合は、この貫通孔を利用したボルト止めを行うことで幅木部材１２の結合を行ってもよい。 Specifically, the skirting member 12 is made of a veneer plywood, solid wood, synthetic resin plate, or the like, including a plate-like object mainly composed of an aluminum plate and provided with a bent side at the outer periphery thereof. be able to. In practice, the same material as the floor board 10 may be used.
The coupling between the rear skirting member 12 and the column 5a may be performed by, for example, a clamp tool or a dedicated mounting bracket. When a hole or the like that penetrates the column 5a in the front-rear direction is provided, the baseboard member 12 may be coupled by bolting using the through-hole.

これに対し、前側（根太部材９の突出側に配置する方の幅木部材１３は、図３で後述する安全柵１４の柵支柱２０等に対して固定する。この幅木部材１３についても、床板１０を超えて起立したものとするのが好適であり、これにより、床板１０上の荷物や工具が落下するのを防止でき、また作業者の安全を図ることに有益に作用する。
また、幅木部材１３の具体例としてアルミ板製の盤状物、ベニヤ合板、無垢の木材、合成樹脂板などにより形成でき、加えて、網や波板などにより形成することもできる。 In contrast, the front side (the baseboard member 13 which is arranged on the projecting side of the joist member 9 is fixed to a fence post 20 of a safety fence 14 which will be described later with reference to FIG. 3. It is preferable to stand up over the floor board 10, whereby it is possible to prevent a load or a tool on the floor board 10 from falling, and it is beneficial for safety of the operator.
Moreover, as a specific example of the base board member 13, it can form with the board | plate-shaped object made from an aluminum plate, a veneer plywood, solid wood, a synthetic resin board, etc. In addition, it can also form with a net | network, a corrugated board, etc.

安全柵１４は、床板１０によって形成した床面スペースの外周部を取り囲むように設けるもので、その構造などは特に限定されるものではない。一例として、床板１０の端縁部にクランプなどを利用して柵支柱２０を所定間隔で取り付け、これら柵支柱２０の相互間へ丸パイプ等の管材２１を架設したものとすればよい。柵支柱２０の代わりに親綱支柱を用い、また管材２１の代わりに樹脂ロープ、ワイヤロープ、又は金属チェーン等より成る親綱を架け渡してもよい。   The safety fence 14 is provided so as to surround the outer peripheral portion of the floor space formed by the floor board 10, and the structure thereof is not particularly limited. As an example, the fence posts 20 may be attached to the edge of the floor board 10 at a predetermined interval using a clamp or the like, and a pipe material 21 such as a round pipe may be installed between the fence posts 20. A master rope support may be used instead of the fence support 20, and a master rope made of a resin rope, a wire rope, a metal chain, or the like may be bridged instead of the pipe material 21.

以上、詳説したところから明らかなように、本発明に係る張出プラットフォーム１では
、高層建物等の構築物２の外部又は内部で、構築物２に寄り添わせて設置するような大型の仮設足場３において、高所位置で床面積の広い（構築物２に平行させる辺の長さが長い）作業スペースを設けることができる。殊に、支柱５ａの前方や後方に床面スペースを拡大できるので、それだけ作業スペースや歩行スペース、荷置きスペースなどを広く設けることができるという利点を有している。 As is clear from the above description, in the overhang platform 1 according to the present invention, in the large temporary scaffold 3 installed close to the structure 2 outside or inside the structure 2 such as a high-rise building. A work space having a large floor area at a high position (having a long side parallel to the structure 2) can be provided. In particular, since the floor space can be expanded in front of and behind the support column 5a, there is an advantage that a work space, a walking space, a load storage space, and the like can be provided widely.

そのため、この広い作業スペースに対して長尺物などの荷上げが容易に行えるものとなる。また、重機にて吊り上げた重量物や長尺物の取り扱いが容易となり、作業効率を高めることができる。
図６は、構築物２の外側に構築した仮設足場３に対して本発明に係る張出プラットフォーム１を設けた使用例を示している。図例では、支柱５ａの前後両方へ床板１０を載設させるようにしているが、この場合も、支柱５ａに対する根太部材９の突出方向、すなわち、する方向は、支柱５ａの前方のみとしてもよいし、後方のみとしてもよい。 Therefore, it is possible to easily load a long object or the like in this wide working space. In addition, it is easy to handle heavy objects and long objects suspended by heavy machinery, and work efficiency can be improved.
FIG. 6 shows a usage example in which the overhanging platform 1 according to the present invention is provided to the temporary scaffold 3 constructed outside the structure 2. In the example shown in the figure, the floor board 10 is mounted on both the front and rear sides of the column 5a. However, in this case as well, the projecting direction of the joist member 9 relative to the column 5a, that is, the direction in which the joist member 9 protrudes may be only in front of the column 5a. And it is good also as only back.

本発明は、前記実施形態に限定されるものではなく、実施の形態に応じて適宜変更可能である。
例えば、支柱５ａは、中空又は中実の棒材などでトラス構造に組んだビーム５を用いることが限定されるものではなく、条材を組んだものやパイプ材により形成された支柱５ａを用いるようにしてもよい。 The present invention is not limited to the embodiment described above, and can be changed as appropriate according to the embodiment.
For example, the column 5a is not limited to the use of the beam 5 assembled in a truss structure with a hollow or solid bar or the like, but a column 5a formed of a strip member or a pipe member is used. You may do it.

仮設足場３は、設置場所に固定状態で組み立てることも可能であるが、図４に示したように、予め基礎面上にレール軌道３０を載設し、このレール軌道３０上を移動する台車３１を基礎として、その上に仮設足場３を組み上げるようにすれば、組立後の仮設足場３を移動可能にすることもできる。レール軌道３０及び台車３１に代えて、支柱５ａの下端に、車輪やコロが備えられた走行装置（図示略）を取り付けるようにしてもよい。   The temporary scaffold 3 can be assembled in a fixed state at the installation location. However, as shown in FIG. 4, a rail track 30 is previously placed on the foundation surface, and the carriage 31 moves on the rail track 30. If the temporary scaffold 3 is assembled on the base, the assembled temporary scaffold 3 can be made movable. Instead of the rail track 30 and the carriage 31, a traveling device (not shown) provided with wheels and rollers may be attached to the lower end of the column 5 a.

構築物２は、高層建物に限定されるものではなく、橋や搭などであってもよい。   The structure 2 is not limited to a high-rise building, and may be a bridge or a tower.

１ 張出プラットフォーム
２ 構築物
３ 仮設足場
５（５ａ〜５ｄ） ビーム
５ａ 支柱
８ 梁部材
９ 根太部材
１０ 床板
１２ 幅木部材
１３ 幅木部材
１４ 安全柵
１７ 上管
１８ 下管
１９ 連結杆
２０ 柵支柱
２１ 管材
３０ レール軌道
３１ 台車 DESCRIPTION OF SYMBOLS 1 Overhang platform 2 Structure 3 Temporary scaffolding 5 (5a-5d) Beam 5a Post 8 Beam member 9 joist member 10 Floor board 12 Skirting member 13 Skirting member 14 Safety fence 17 Upper pipe 18 Lower pipe 19 Connection rod 20 Fence pillar 21 Pipe material 30 Rail track 31 Bogie

Claims (5)

互いに離反して立てられる複数本の支柱に対してそれらの柱前面及び柱後面を挟持した状態で支柱相互を連結する前後一対の梁部材と、
前記梁部材の長手方向に交差する向きで前後の両梁部材上部に結合されると共に前方又は後方の少なくとも一方へ向けた突出状態とされ且つ前記梁部材が架け渡される支柱間の複数箇所に配置される複数本の根太部材と、
前記複数本の根太部材上に渡り並べて載設される床板と、
を有している
ことを特徴とする仮設足場の張出プラットフォーム。 A pair of front and rear beam members for connecting the columns to each other in a state of sandwiching the front surface and the rear surface of the columns with respect to a plurality of columns that are set apart from each other;
It is coupled to the upper part of both front and rear beam members in a direction intersecting with the longitudinal direction of the beam member, and is protruded toward at least one of the front and rear, and is arranged at a plurality of positions between the struts on which the beam member is bridged. A plurality of joist members,
A floorboard placed side by side on the plurality of joists;
A temporary scaffolding overhanging platform characterized by comprising: 前記梁部材は、互いに平行して設けられる上管及び下管とこれら上下両管を長手方向の複数箇所で上下方向に連結する複数本の連結杆とを備えたラダー構造を有していることを特徴とする請求項１記載の仮設足場の張出プラットフォーム。   The beam member has a ladder structure including an upper pipe and a lower pipe provided in parallel to each other, and a plurality of connecting rods that connect both the upper and lower pipes in a longitudinal direction at a plurality of longitudinal positions. The overhang platform for a temporary scaffold according to claim 1. 複数本の前記根太部材上に被さる配置で前記床板を超えて起立する幅木部材が前記支柱の柱前面又は柱後面に結合されていることを特徴とする請求項１又は請求項２記載の仮設足場の張出プラットフォーム。   The temporary structure according to claim 1 or 2, wherein a baseboard member that stands over the floor board in an arrangement covering the plurality of joists is coupled to a front surface or a rear surface of the column. Overhang platform for scaffolding. 前記床板が載設された外周部に沿って安全柵が設置されていることを特徴とする請求項１乃至請求項３のいずれか１項に記載の仮設足場の張出プラットフォーム。   The temporary platform overhang platform according to any one of claims 1 to 3, wherein a safety fence is installed along an outer peripheral portion on which the floor board is placed. 前記支柱間を渡って載設される前記床板と同一レベルを保持したままで前記支柱における柱前面又は柱後面の少なくとも一方に前記床板が設けられていることを特徴とする請求項１乃至請求項４のいずれか１項に記載の仮設足場の張出プラットフォーム。   The floor plate is provided on at least one of the front surface of the column and the rear surface of the column while maintaining the same level as that of the floor plate mounted across the columns. 5. The overhang platform for temporary scaffolds according to any one of 4 above.
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CN111877727A (en) * 2020-07-14 2020-11-03 中国一冶集团有限公司 Construction movable operation platform and operation method
CN111877727B (en) * 2020-07-14 2022-01-25 中国一冶集团有限公司 Construction movable operation platform and operation method
CN116220324A (en) * 2023-04-07 2023-06-06 河南恒远建设有限公司 Supporting platform for high-altitude corrosion prevention construction
CN116220324B (en) * 2023-04-07 2024-05-28 河南恒远建设有限公司 Supporting platform for high-altitude corrosion prevention construction

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