JPH032599Y2 - - Google Patents

Description

【考案の詳細な説明】 （産業上の利用分野） 本考案は、鉄骨建造物の構築時に用いる作業用
足場にかゝり、特に柱鋼材への取付け構造を改良
した作業用足場に関する。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a working scaffold used when constructing a steel frame building, and particularly to a working scaffold with an improved structure for attaching it to a steel column.

〔従来技術とその問題点〕[Prior art and its problems]

鉄骨を用いた高層建築物の構築は、柱を構成す
る鋼材を所定間隔をおいて立設し、この柱鋼材に
梁鋼材を下層から順次接続して構築されるが、従
来の梁鋼材の取付けは、第１３図に示すように、
予じめ柱鋼材１に梁接続用仕口２，２がその２側
面、３側面、または４側面に溶接により一体に突
設され、梁鋼材３の接続時にはこの仕口２，２の
上面を足場としてこれに作業者が乗つて梁鋼材３
のジヨイントボルトの仮止め、および溶接作業を
行なつている。 In constructing high-rise buildings using steel frames, the steel members that make up the columns are erected at predetermined intervals, and the steel beams are sequentially connected to the steel columns from the bottom. As shown in Figure 13,
Beam connecting joints 2, 2 are integrally welded and protruded from the second, third, or fourth side of the column steel material 1 in advance, and when connecting the beam steel material 3, the upper surfaces of these joints 2, 2 are welded. A worker stands on this as a scaffold and installs a steel beam 3.
temporary tightening of joint bolts and welding work.

しかして、近時上記の仕口２を用いず、柱鋼材
１の側面に梁鋼材３の端面を直接溶接により接続
する、いわゆる際溶接工法に代りつゝある。 Recently, however, a so-called cross welding method is being used, in which the end face of the beam steel material 3 is directly welded to the side surface of the column steel material 1 without using the above-mentioned joint 2.

ところで上記のように際溶接工法によると、柱
鋼材１に仕口２を設ける必要がなく、かつ柱鋼材
１と梁鋼材３とが直接溶着されるため取付け強度
が高くできる利点を有する反面、作業上の点にお
いて仕口２を作業用足場として利用することがで
きなくなり、ジヨイントボルトの仮止めおよび溶
接作業のための特別な作業用足場を設ける必要が
生じる。 By the way, according to the above-mentioned cross-welding method, there is no need to provide a joint 2 on the column steel 1, and the column steel 1 and the beam steel 3 are directly welded, which has the advantage of increasing the installation strength. In the above point, the shiiguchi 2 cannot be used as a working scaffold, and it becomes necessary to provide a special working scaffold for temporary fixing of joint bolts and welding work.

そこで従来から、柱鋼材１の側面に作業用足場
を地上で取付け、柱鋼材１を設立したのちこの足
場に乗つてジヨイントボルトの仮止め、および溶
接作業を行なうようにしているが、この足場は当
該箇所の作業が終了したのちに取外す必要がある
ことから、取外し可能な構造とされている。 Conventionally, a work scaffold has been attached to the side of the steel column 1 on the ground, and after the steel column 1 has been established, the scaffolding has been used to temporarily tighten joint bolts and perform welding work. It is designed to be removable, as it needs to be removed after the work at that location is completed.

従来の作業用足場の取付け手段は、第１４図に
示すように、柱鋼材１の足場取付け面に上向きに
屈曲され上端に扁平な頭部４Ａを有するフツク４
を左右一対溶着しておき、このフツク４にステー
ジ５の端部に穿設された孔６を嵌合し、ステージ
５の上面に突出する部分のフツク４に、コツタ７
の長手方向に穿設された長孔７Ａを挿入したのち
コツタ７を90℃回動してコツタ７を矢印方向に打
込んで固定させ、作業終了後はこのコツタ７を抜
いてステージ５をフツク４から外して撤去するよ
うになされている。 As shown in FIG. 14, the conventional means for attaching a work scaffold is a hook 4 that is bent upward on the scaffold attachment surface of a steel column 1 and has a flat head 4A at the upper end.
A pair of left and right are welded together, a hole 6 drilled at the end of the stage 5 is fitted into the hook 4, and a cotter 7 is attached to the hook 4 in the portion protruding from the top surface of the stage 5.
After inserting the elongated hole 7A drilled in the longitudinal direction, turn the kotsuta 7 by 90 degrees and drive the kotsuta 7 in the direction of the arrow to fix it. After the work is completed, remove the kotsuta 7 and hook the stage 5. It is designed to be removed from 4 and removed.

しかるに上記の取付け構造を有する作業用足場
では、作業中コツタ７が外れることのないよう強
固に打込まれなければならず、したがつて撤去時
にコツタ７を抜き取ることが容易でなく、またコ
ツタ７を抜いたのち作業者が取付け済みの上方の
梁鋼材３上に脱出する際、柱鋼材１を避けるため
どうしてもステージ５の一端寄りに乗らなければ
ならず、その際に反対側のフツク４からステージ
５が外れた場合転落の危険性がある。 However, in the work scaffolding having the above-mentioned mounting structure, the kotta 7 must be firmly driven in so that it will not come off during work, and therefore it is not easy to remove the kotta 7 during removal. When the worker escapes onto the installed upper steel beam 3 after removing the column, he has to get on one end of the stage 5 to avoid the steel column 1. If 5 comes off, there is a risk of falling.

さらに従来の作業用足場は、ステージ５が箱形
で厚みがあるため、作業用足場の撤入時や撤去時
に嵩張り、多数の足場を必要とするときその運搬
や収納に多くのスペースを必要とするものであつ
た。 Furthermore, in conventional work scaffolds, the stage 5 is box-shaped and thick, so it becomes bulky when the work scaffold is taken down or removed, and when a large number of scaffolds are required, a lot of space is required for transporting and storing them. It was meant to be.

〔考案の目的〕[Purpose of invention]

本考案はこれに鑑み、際溶接工法による作業用
足場の柱鋼材への支持強度を高めて作業の安全性
を一層向上するとともに作業用足場の脱着作業を
容易とした作業用足場を提供することを目的とし
てなされたものである。 In view of this, the present invention provides a work scaffold that further improves work safety by increasing the support strength of the work scaffold to the steel columns using a welding method, and also makes it easy to attach and detach the work scaffold. This was done for the purpose of

〔考案の概要〕[Summary of the idea]

上記目的を達成するため本考案は、所要面積を
有するステージと、このステージの柱鋼材に沿う
部位を除く周囲に立設される手摺と、前記ステー
ジの柱鋼材に面する側面に設けられる取付機構と
からなり、上記取付け機構は、前記ステージの前
記側面の長手方向中央から左右対称位置に左右一
対として固着された外筒体と、柱鋼材の足場取付
面に上向きに固着され前記外筒体が可及的密に外
嵌される筒体と、該筒体の下端内周に刻設された
めねじ部と、前記外筒体の上端から挿入され前記
筒体のめねじ部に螺挿される固定用ねじ杆とを有
することを特徴とするものである。 In order to achieve the above object, the present invention includes a stage having a required area, a handrail erected around the stage excluding the part along the steel column, and a mounting mechanism provided on the side surface facing the steel column of the stage. The mounting mechanism includes: an outer cylindrical body fixed as a pair on the left and right at symmetrical positions from the longitudinal center of the side surface of the stage; A cylindrical body that is externally fitted as tightly as possible, a female threaded portion carved on the inner periphery of the lower end of the cylindrical body, and a fixing member that is inserted from the upper end of the outer cylindrical body and screwed into the female threaded portion of the cylindrical body. It is characterized by having a threaded rod for use.

〔考案の実施例〕[Example of idea]

以下、本考案の第１図乃至第１１図に示す実施
例を参照し、第１３図と共通する部分には同一符
号を用いて説明する。 Hereinafter, the embodiments of the present invention shown in FIGS. 1 to 11 will be described, and parts common to those in FIG. 13 will be described using the same reference numerals.

本考案による作業用足場１０は、足場として必
要な所要面積を有する矩形状のステージ１１を有
し、このステージ１１の柱鋼材１に沿う部位を除
く周囲には手摺１２が立設されている。この手摺
１２は、手摺１２の支柱１２Ａ，１２Ａの下端を
ステージ１１側に設けた受孔に挿入固定するよう
にして、収納時には抜き外すようにするか、ある
いは内側に倒伏させるように枢着して折畳み構造
とするか、あるいは伸縮構造として小容積化する
ことができる。 A working scaffold 10 according to the present invention has a rectangular stage 11 having a required area as a scaffold, and a handrail 12 is erected around the stage 11 except for a portion along the steel column 1. This handrail 12 can be configured such that the lower ends of the columns 12A, 12A of the handrail 12 are inserted and fixed into receiving holes provided on the stage 11 side, and can be removed when stored, or can be pivoted so as to be folded inward. It can be made into a foldable structure or expanded and contracted to reduce its volume.

前記ステージ１１の柱鋼材１に面する側面１１
Ａにはステージ１１を柱鋼材１に取付けるため取
付機構が設けられている。 Side surface 11 of the stage 11 facing the steel column 1
A is provided with an attachment mechanism for attaching the stage 11 to the steel column 1.

上記取付機構は、前記ステージ１１の前記側面
１１Ａの長手方向中央から左右対称位置に左右一
対として固着され、柱鋼材１の足場取付面１Ａに
予じめ上向きに固着された筒体１３，１３に外嵌
される外筒体１４，１４と、この外筒体１４の上
端から挿入され外筒体１４と筒体１３とを固定す
る固定用ねじ杆１５，１５とからなつている。 The mounting mechanism is fixed as a pair on the left and right at symmetrical positions from the longitudinal center of the side surface 11A of the stage 11, and is attached to cylindrical bodies 13, 13 fixed upwardly in advance to the scaffold mounting surface 1A of the steel column 1. It consists of outer cylindrical bodies 14, 14 that are fitted onto the outside, and fixing screw rods 15, 15 that are inserted from the upper end of the outer cylindrical body 14 and fix the outer cylindrical body 14 and the cylindrical body 13.

前記柱鋼材１の足場取付面１Ａに固着される筒
体１３は、第６図および第７図に示すようにその
下部一側に取付座１３Ａを有し、この取付座１３
Ａを柱鋼材１の足場取付面１Ａに溶接することに
より固着され、この筒体１３の下端にはめねじ部
を構成するためにナツト１６が固設されている。 The cylinder 13 fixed to the scaffold mounting surface 1A of the steel column 1 has a mounting seat 13A on one side of its lower part as shown in FIGS. 6 and 7.
A is fixed by welding to the scaffold mounting surface 1A of the steel column 1, and a nut 16 is fixed to the lower end of this cylinder 13 to form a female thread.

前記外筒体１４は、第９図に示すように、上記
筒体１３に可及的密に外嵌される内径を有し、上
端は前記固定用ねじ杆１５が挿入される孔１４Ａ
を有する上プレート１４Ｂで閉鎖され、下部は下
プレート１４Ｃで支持され、また外筒体１４の外
側下部には前記筒体１３の取付座１３Ａが嵌入し
得る切溝１４Ｄが形成されている。上記プレート
１４Ｂ，１４Ｃはステージ１１を挟むようにして
ボルト等で固着される。したがつて外筒体１４を
筒体１３の上部から外嵌したとき、筒体１３の上
端が外筒体１４の上プレート１４Ｂの下面に当つ
て支持され、また切溝１４Ｄが筒体１３の取付座
１３Ａに嵌合することによりステージ１１を支え
るようになる。 As shown in FIG. 9, the outer cylindrical body 14 has an inner diameter that allows it to be externally fitted onto the cylindrical body 13 as tightly as possible, and has a hole 14A at the upper end into which the fixing threaded rod 15 is inserted.
The lower part is supported by a lower plate 14C, and a cut groove 14D into which the mounting seat 13A of the cylinder 13 can be fitted is formed in the outer lower part of the outer cylinder 14. The plates 14B and 14C are fixed with bolts or the like so as to sandwich the stage 11 therebetween. Therefore, when the outer cylinder 14 is fitted from the top of the cylinder 13, the upper end of the cylinder 13 is supported against the lower surface of the upper plate 14B of the outer cylinder 14, and the cut groove 14D is formed on the cylinder 13. The stage 11 is supported by fitting into the mounting seat 13A.

前記固定用ねじ杆１５は、第４図、第５図およ
び第８図に示すように、上端に頭部１５Ａを有
し、下端にねじ１５Ｂを有するボルト状のもの
で、前記頭部１５Ａの下方には所要の間隔をおい
て鍔部１５Ｃがあり、頭部１５Ａと鍔部１５Ｃと
の間にはリング部材１７が嵌合され、このリング
部材１７にチエン１８が連結されていてステージ
１１の適所に継いでおけるようになつている。 As shown in FIGS. 4, 5, and 8, the fixing screw rod 15 is a bolt-shaped member having a head 15A at the upper end and a screw 15B at the lower end. There is a flange 15C at a required interval below, and a ring member 17 is fitted between the head 15A and the flange 15C. It is designed so that it can be inherited in the appropriate place.

なお、前記左右の筒体１３，１３は、第６図お
よび第７図に一例を示すように幅定め部材１９に
より予じめ一定の間隔をもつて一体に結合されて
おり、柱鋼材１の足場取付面１Ａに溶接する際に
いちいち寸法を計測する必要がないようにされて
いる。 The left and right cylindrical bodies 13, 13 are integrally connected in advance at a fixed interval by a width determining member 19, as an example shown in FIGS. 6 and 7. There is no need to measure dimensions each time when welding to the scaffold mounting surface 1A.

一方、ステージ１１を柱鋼材１に取付けた際の
安定性を高めるために、前記取付け機構が設けら
れる側のステージ１１に折畳み自在な支脚２０が
設けられている。 On the other hand, in order to increase the stability when the stage 11 is attached to the steel column 1, a foldable support leg 20 is provided on the side of the stage 11 on which the attachment mechanism is provided.

この支脚２０は、第５図により片側のみについ
て説明すると、ステージ１１の柱鋼材１に面する
側の下面で、前記外筒体１４の外側方に上端が軸
２１により枢支された第１の部材２２と、この部
材２２の下端に軸２３により枢支された第２の部
材２４と、ステージ１１の前後方向下面に固設さ
れ前記第２の部材２４の自由端が軸２９により軸
支された第３のガイド部材２５とを有しており、
前記第１の部材２２，２２間に掛渡されて固定さ
れた梁部材２６には、第４図に示すように前記外
筒体１４，１４に近い位置で外筒体１４，１４に
干渉しない位置に柱鋼材１の足場取付面１Ａに当
接する当接部材２７，２７が設けられている。こ
の当接部材２７は、図示実施例ではボルトが用い
られ、前記梁部材２６に固着したナツト部材２８
にボルトを螺挿する位置を選択することによりボ
ルトの先端に取付けた当板２７Ａが柱鋼材１の足
場取付面１Ａに当る位置を調節することができる
ようになつている。 To describe only one side of the support leg 20 in FIG. A member 22 , a second member 24 which is pivotally supported on the lower end of this member 22 by a shaft 23 , and a free end of the second member 24 which is fixed to the lower surface of the stage 11 in the front-rear direction and which is pivotally supported by a shaft 29 . and a third guide member 25,
As shown in FIG. 4, the beam member 26 fixed between the first members 22, 22 has a structure that does not interfere with the outer cylinders 14, 14 at a position close to the outer cylinders 14, 14. Contact members 27, 27 are provided at positions that contact the scaffold mounting surface 1A of the steel column 1. In the illustrated embodiment, a bolt is used as the contact member 27, and a nut member 28 fixed to the beam member 26 is used as the contact member 27.
By selecting the position where the bolt is screwed in, it is possible to adjust the position where the contact plate 27A attached to the tip of the bolt hits the scaffolding mounting surface 1A of the steel column 1.

前記第２の部材２４の自由端にはピン２９が挿
脱自在とされており、第１の部材２２を垂直状態
としたとき第２の部材２４の自由端のピン孔が合
致し得るピン孔がガイド部材２５に設けられてい
て、これらの孔にピン２９を挿着することによ
り、第５図示の状態に固定されるようになつてい
る。なお３０は第２の部材２４をガイド部材２５
に沿つておいたときガイド部材２５のピン孔に合
致してこれにピン２９を差替えることにより支脚
２０を格納状態におくためのものである。また３
１，３１…は、ステージ１１の下面四隅に垂設さ
れた脚部材で、手摺１２、支脚２０をそれぞれ折
畳んだ状態としたステージ１１を他のステージ１
１の下面側において脚部材３１，３１で囲まれる
仮想枠内に納まるようにし、多数のステージ１１
を格納または搬送する際における安定性を増すよ
うにするためのものである。さらに第２図におけ
る３２，３２は吊上げ用のフツクで、作業用足場
１０の重心点に相当する位置のステージ１１に退
没自在に設けられている。 A pin 29 is inserted into and removed from the free end of the second member 24, and a pin hole is provided in which the pin hole at the free end of the second member 24 can fit when the first member 22 is placed in a vertical position. are provided in the guide member 25, and by inserting pins 29 into these holes, the guide member 25 is fixed in the state shown in FIG. Note that 30 connects the second member 24 to the guide member 25.
When placed along the guide member 25, the support leg 20 is placed in a retracted state by matching the pin hole of the guide member 25 and replacing the pin 29 therewith. Also 3
1, 31... are leg members vertically installed at the four corners of the lower surface of the stage 11, and the stage 11 with the handrail 12 and the supporting legs 20 folded is connected to the other stage 1.
A large number of stages 11
This is to increase stability when storing or transporting. Further, reference numerals 32 and 32 in FIG. 2 are lifting hooks, which are retractably provided on the stage 11 at a position corresponding to the center of gravity of the working scaffold 10.

図示実施例においては、柱鋼材１に面する側の
一方の手摺１２′が柱鋼材１の裏面側に取付けら
れる足場に渡るための渡橋を兼務することができ
る構造となつている。すなわち、この部分の手摺
１２′は、その支柱１２′Ａ，１２′Ａの下端がス
テージ１１の孔に抜差し自在とされ、またこの手
摺１２′が設置されるステージ１１の幅方向反対
側上面には鞘管３３，３３が水平状態に固着さ
れ、手摺１２′を抜いて倒し、その支柱１２′Ａ，
１２′Ａの下端を前記鞘管３３，３３に差込むこ
とにより、第２図示のように手摺１２′の先端側
がステージ１１から柱鋼材１の略半幅に相当する
長さにわたり張出した状態におかれるようになつ
ている。そしてこの張出し部分には、歩行時の安
全を図るため、手摺１２′のステー１２′Ｂに床板
３４の基端がヒンジ３５，３５により回転自在に
取付けられ、この床板３４上を渡れるようになつ
ている。したがつて柱鋼材の両側面に足場を取付
け、双方の足場から手摺１２′を張出すようにす
れば、双方の手摺１２′の床板３４で渡橋が構成
され、柱鋼材１の反対面側の足場へ安全に乗り移
ることができる。 In the illustrated embodiment, one of the handrails 12' on the side facing the steel column 1 is configured to double as a bridge for crossing to a scaffold attached to the back side of the steel column 1. That is, in this part of the handrail 12', the lower ends of the pillars 12'A, 12'A can be freely inserted into and removed from the holes in the stage 11, and the handrail 12' is attached to the upper surface on the opposite side in the width direction of the stage 11 where the handrail 12' is installed. The sheath pipes 33, 33 are fixed in a horizontal position, and the handrail 12' is pulled out and brought down, and the support columns 12'A, 33 are fixed horizontally.
By inserting the lower end of 12'A into the sheath tubes 33, 33, the tip side of the handrail 12' extends from the stage 11 over a length corresponding to approximately half the width of the steel column 1, as shown in the second figure. It's starting to get worse. In order to ensure safety when walking, the proximal end of a floor plate 34 is rotatably attached to the stay 12'B of the handrail 12' by hinges 35, 35, so that it is possible to walk across this overhang. ing. Therefore, if scaffolds are attached to both sides of the steel column and handrails 12' are extended from both scaffolds, the floorboards 34 of both handrails 12' will form a bridge, and the bridge on the opposite side of the steel column 1 will be constructed. You can safely transfer to the scaffold.

また、ステージ１１の各辺部に立設される手摺
１２の支柱１２Ａ，１２Ａには、第１０図に示す
ように連結金具３６，３６が回動自在に取付けら
れている。この連結金具３６，３６は、先端部に
手摺１２の支柱１２Ａ，１２Ａに弾性をもつて嵌
合し得るフツク部３７，３７を有し、互いの連結
金具３６，３６のフツク部３７，３７を隣位の手
摺１２の支柱１２Ａ，１２Ａに嵌合することによ
り第２図示のように結合されるようになつてい
る。 Further, as shown in FIG. 10, connecting fittings 36, 36 are rotatably attached to the pillars 12A, 12A of the handrail 12, which are erected on each side of the stage 11. The connecting fittings 36, 36 have hook portions 37, 37 at their tips that can be elastically fitted to the columns 12A, 12A of the handrail 12, and the hook portions 37, 37 of the connecting fittings 36, 36 are connected to each other. By fitting into the supports 12A, 12A of the adjacent handrail 12, they are connected as shown in the second figure.

さらに、柱鋼材１に面する手摺のない部分に
は、鎖に代えて第１１図に示すように手摺杆３８
にすることができる。この手摺杆３８は、両端に
手摺１２の支柱１２Ａに弾性をもつて嵌合し得る
２又状の嵌合部３９，３９を有し、この嵌合部３
９，３９を手摺１２，１２の支柱１２Ａ，１２Ａ
間に嵌着することにより柱鋼材１に面する部分に
も手摺を設けることができる。 Furthermore, in the part facing the steel column 1 where there is no handrail, handrail rods 38 are installed instead of chains as shown in FIG.
It can be done. This handrail rod 38 has bifurcated fitting parts 39, 39 at both ends that can be elastically fitted to the pillars 12A of the handrail 12.
9, 39 to handrails 12, 12 supports 12A, 12A
By fitting between them, a handrail can also be provided in the portion facing the steel column 1.

つぎに上記実施例の作用を説明する。 Next, the operation of the above embodiment will be explained.

予じめ柱鋼材１の足場取付面１Ａの所定位置に
筒体１３，１３をその取付座１３Ａ，１３Ａによ
り溶着しておき、これに作業用足場１０を取付け
て柱鋼材１を立設する。 Cylindrical bodies 13, 13 are welded in advance to predetermined positions on the scaffold mounting surface 1A of the steel column 1 by means of their mounting seats 13A, 13A, and the work scaffold 10 is attached to this, and the steel column 1 is erected.

この取付け状態は、外筒体１４の下端を柱鋼材
１の筒体１３，１３に上方から外嵌されることに
より外套体１４，１４内に筒体１３，１３が嵌入
し、支脚２０の当接部材２７，２７が柱鋼材１の
足場取付面１Ａに当つて外筒体１４，１４と筒体
１３，１３とがこじれることのない水平状態に仮
保持され、さらに外筒体１４，１４の上端から固
定用ねじ杆１５，１５を挿入し、下端のねじ部１
５Ｂ，１５Ｂ筒体１３，１３の下端のナツト１
６，１６に螺挿することにより外筒体１４，１４
と筒体１３，１３とが結合されて、万が一にも外
れることのない状態に取付けられる。 In this attached state, the lower end of the outer cylindrical body 14 is fitted onto the cylindrical bodies 13, 13 of the column steel material 1 from above, so that the cylindrical bodies 13, 13 are fitted into the mantle bodies 14, 14, and the supporting leg 20 is in contact with the cylindrical bodies 13, 13. The contact members 27, 27 contact the scaffold mounting surface 1A of the steel column 1, temporarily holding the outer cylindrical bodies 14, 14 and the cylindrical bodies 13, 13 in a horizontal state without being twisted, and furthermore, the outer cylindrical bodies 14, 14 are Insert the fixing screw rods 15, 15 from the upper end, and tighten the threaded part 1 at the lower end.
Nut 1 at the lower end of the 5B, 15B cylinder bodies 13, 13
By screwing into the outer cylindrical bodies 14, 14
and the cylindrical bodies 13, 13 are combined and installed in such a way that they will not come off in any case.

こうして取付けられたステージ１１の上に乗つ
て、第１２図Ａのように直上階の梁鋼材３の際溶
接作業を行なうことができる。 Riding on the stage 11 thus mounted, it is possible to perform welding work on the steel beam 3 on the floor immediately above, as shown in FIG. 12A.

この梁鋼材３の際溶接が終り、作業用足場１０
を撤去するには、まず固定用ねじ杆１５，１５を
ゆるめてネジ部のみを外し（第１２図Ｂ）、吊上
げロープをセツトしたのち作業者はステージ１１
の端から前記溶接済の上階の梁鋼材３に乗り移
り、吊上げロープで吊上げれば、外筒体１４，１
４は筒体１３，１３から抜れて外れ（第１２図
Ｃ）が、第１２図Ｃのように下方へ吊下すことが
できる。この場合、作業用足場１０を吊上げるに
先立つて固定用ねじ杆１５，１５をゆるめてねじ
部のみを外したのち作業者がステージ１１の端部
へ移動しても、作業用足場１０は外筒体１４，１
４と筒体１３，１３とが軸嵌合し、またねじ杆１
５が嵌つていることから外筒体１４と筒体１３と
を抜けにくゝしていることによつて外れるおそれ
は全くなく、安全に梁鋼材３上へ乗り移ることが
できる。 After the welding of this beam steel material 3 is completed, the work scaffolding 10
To remove the stage 11, first loosen the fixing screw rods 15, 15, remove only the threaded part (Fig. 12B), set the lifting rope, and then move the stage 11.
If you move from the end to the welded steel beam 3 on the upper floor and lift it with a lifting rope, the outer cylindrical body 14,1
4 can be pulled out from the cylindrical bodies 13, 13 (FIG. 12C) and suspended downward as shown in FIG. 12C. In this case, even if the worker moves to the end of the stage 11 after loosening the fixing screw rods 15, 15 and removing only the threaded portions before hoisting the work scaffold 10, the work scaffold 10 will be removed. Cylindrical body 14,1
4 and the cylinder bodies 13, 13 are shaft-fitted, and the threaded rod 1
Since the outer cylindrical body 14 and the cylindrical body 13 are hard to come off because the outer cylindrical body 14 and the cylindrical body 13 are fitted together, there is no risk of them coming off, and the user can safely move onto the steel beam 3.

作業用足場１０の取付け時に当接部材２７，２
７の突出量を調節することにより、ステージ１１
を水平状態に保つことができる。 When installing the work scaffold 10, the contact members 27, 2
By adjusting the protrusion amount of stage 7, stage 11
can be kept horizontal.

格納時や運搬時には、手摺１２および支脚２０
を折畳むことにより小容積化される。支脚２０
は、ピン２９を抜き、第２の部材２４の自由端を
ガイド部材２５にスライドさせれば、第５図に鎖
線で示すように直状となつてガイド部材２５に沿
つて格納され、ガイド部材２５のピン孔と第２の
部材２４のピン孔３０とが合致してこれにピン２
９を挿着することにより格納状態に保つことがで
きる。 When storing or transporting, the handrail 12 and supporting legs 20
The volume can be reduced by folding. Support leg 20
When the pin 29 is removed and the free end of the second member 24 is slid onto the guide member 25, it becomes straight and stored along the guide member 25 as shown by the chain line in FIG. The pin hole 25 and the pin hole 30 of the second member 24 match, and the pin 2
9 can be kept in the retracted state.

〔考案の効果〕[Effect of idea]

以上説明したように、本考案は、所要面積を有
するステージと、このステージの柱鋼材に沿う部
位を除く周囲に立設される手摺と、前記ステージ
の柱鋼材に面する側面に設けられる取付機構とか
らなり、上記取付け機構は、前記ステージの前記
側面の長手方向中央から左右対称位置に左右一対
として固着され柱鋼材の足場取付面に予じめ上向
きに固着された筒体に外嵌される外筒体と、この
外筒体の上端から前記筒体内に挿入され該筒体の
下端のめねじ部に螺挿される固定用ねじ杆とで構
成し、作業用足場を取付けたときは外筒体と筒体
との軸嵌合および両者を結合する固定用じ杆によ
り取付けられるので、作業中に外れるおそれが全
くなく、また作業終了後取外すときは、固定用ね
じ杆を抜きとつて引上げるのみにより容易に外す
ことができ、特に固定用ねじ杆を抜きとつて吊上
げ可能な状態としたのち作業者がステージの端部
に乗つて上階の梁鋼材へ上るとき偏荷重が加わつ
ても外れることがなく、安全に作業を行なうこと
ができる優れた効果がある。 As explained above, the present invention includes a stage having a required area, a handrail erected around the stage except for the part along the steel column, and a mounting mechanism provided on the side of the stage facing the steel column. The mounting mechanism is fixed as a pair on the left and right at symmetrical positions from the longitudinal center of the side surface of the stage, and is fitted onto a cylinder that is fixed upward in advance to the scaffold mounting surface of the column steel material. It consists of an outer cylindrical body and a fixing threaded rod that is inserted into the cylindrical body from the upper end of the outer cylindrical body and screwed into the female threaded part at the lower end of the cylindrical body. Since it is attached by a shaft fitting between the body and the cylinder and a fixing rod that connects the two, there is no risk of it coming off during work, and when removing it after work is completed, remove the fixing screw and pull it up. It can be easily removed with a chisel, and it will not come off even if an unbalanced load is applied when a worker climbs onto the edge of the stage and climbs to the steel beam on the upper floor after removing the fixing screws and making it ready for lifting. It has an excellent effect that allows you to work safely without any problems.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示す一部切欠正面
図、２図は同平面図、第３図は同側面図、第４図
は同要部の拡大正面図、第５図は同側面図、第６
図は本考案に用いる筒体の一部切欠正面図、第７
図は同右半部に上面、左半部に下面を示す平面
図、第８図は本考案の取付状態を示す部分断面
図、第９図は外筒体の斜視図、第１０図は手摺の
連結金具の一組を示す平面図、第１１図は手摺杆
の平面図、第１２図Ａ〜Ｄは作業状況を示す説明
図、第１３図は従来の仕口を有する柱鋼材を示す
正面図、第１４図は従来の作業用足場の取付機構
を示す説明図である。 １…柱鋼材、３…梁鋼材、１０…作業用足場、
１１…ステージ、１２…手摺、１３…筒体、１４
…外筒体、１５…固定用ねじ杆、２０…支脚。 Fig. 1 is a partially cutaway front view showing an embodiment of the present invention, Fig. 2 is a plan view of the same, Fig. 3 is a side view of the same, Fig. 4 is an enlarged front view of the same main parts, and Fig. 5 is the same. Side view, No. 6
The figure is a partially cutaway front view of the cylindrical body used in the present invention.
The figure is a plan view showing the top surface on the right half and the bottom surface on the left half, FIG. 8 is a partial sectional view showing the installed state of the present invention, FIG. 9 is a perspective view of the outer cylinder, and FIG. 10 is a view of the handrail. A plan view showing a set of connecting fittings, Fig. 11 is a plan view of a handrail rod, Figs. 12 A to D are explanatory views showing working conditions, and Fig. 13 is a front view showing a steel column with a conventional joint. , FIG. 14 is an explanatory diagram showing a conventional work scaffold attachment mechanism. 1...Column steel material, 3...Beam steel material, 10...Work scaffolding,
11...Stage, 12...Handrail, 13...Cylinder, 14
...Outer cylindrical body, 15...Fixing screw rod, 20...Support leg.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所要面積を有するステージと、このステージの
柱鋼材に沿う部位を除く周囲に立設される手摺
と、前記ステージの柱鋼材に面する側面に設けら
れる取付機構とからなり、上記取付け機構は、前
記ステージの前記側面の長手方向中央から左右対
称位置に左右一対として固着された外筒体と、柱
鋼材の足場取付面に上向きに固着され前記外筒体
が可及的密に外嵌される筒体と、該筒体の下端内
周に刻設されためねじ部と、前記外筒体の上端か
ら挿入され前記筒体のめねじ部に螺挿される固定
用ねじ杆とを有してなる作業用足場。 It consists of a stage having a required area, a handrail erected around the stage except for the part along the steel column, and a mounting mechanism provided on the side surface of the stage facing the steel column, and the mounting mechanism is an outer cylindrical body fixed as a pair on the left and right at symmetrical positions from the longitudinal center of the side surface of the stage; and a cylinder fixed upward to a scaffolding mounting surface of a column steel material, into which the outer cylindrical body is fitted as tightly as possible. A work comprising a body, an internal threaded portion carved into the inner periphery of the lower end of the cylindrical body, and a fixing threaded rod inserted from the upper end of the outer cylindrical body and screwed into the female threaded portion of the cylindrical body. scaffolding.