JP7048003B2

JP7048003B2 - Vertically movable outer scaffolding for high-rise buildings with no vacant land next door

Info

Publication number: JP7048003B2
Application number: JP2018130271A
Authority: JP
Inventors: 龍夫 ▲高▼▲橋▼
Original assignee: 株式会社高橋監理
Priority date: 2018-06-22
Filing date: 2018-06-22
Publication date: 2022-04-05
Anticipated expiration: 2038-06-22
Also published as: JP2019218830A

Description

本発明は、狭小地に隣家と近接して建てる建物の外側の工事を行う際に用いる外足場に関するものである。 The present invention relates to an outer scaffolding used when performing construction on the outside of a building to be built in a narrow area in close proximity to a neighboring house.

建物等の建築時において、建物の外側の工事を行うために外足場が仮設される。
このような外足場は、一般に所定の間隔で立設された単管支柱と梁部材とを縦横に組み合わせ、梁部分に踏板を仮設して構築される。（例えば、特許文献１）At the time of construction of a building, etc., an outer scaffolding is temporarily installed to carry out construction work on the outside of the building.
Such an outer scaffold is generally constructed by combining a single pipe strut erected at a predetermined interval and a beam member vertically and horizontally, and temporarily installing a tread on the beam portion. (For example, Patent Document 1)

特開２００５－１８８０２３号広報Japanese Patent Application Laid-Open No. 2005-188023

しかし、隣家の建物との隙間が２０～３０ｃｍ程度しかないような狭小地に、隣家に接近した建物を建設する際には、外足場のための十分なスペースが確保できず、特許文献１の発明のような従来の外足場を仮設することは不可能であった。 However, when constructing a building close to the neighboring house in a narrow area where the gap between the building and the neighboring house is only about 20 to 30 cm, sufficient space for the outer scaffolding cannot be secured, and Patent Document 1 It was not possible to temporarily construct a conventional outer scaffold as in the invention.

本発明は、上記の課題に鑑みてなされたものであり、本発明の目的は、隣家と接近して建築する建物の作業を室外側から行うときに用いる狭小地用の外足場を提供することを課題とするものである。 The present invention has been made in view of the above problems, and an object of the present invention is to provide an outer scaffold for a narrow land used when the work of a building to be built close to a neighboring house is performed from the outdoor side. Is the subject.

建物の外側に設置し、建築工事を行うために用いる仮設足場において、概ね逆台形状に成形した薄鋼板の両側を同一幅で互いに逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形すると共に、前記中央のウェブの上端と前記一方のフランジの上端に一辺がフランジ巾と同一で長方形をした薄鋼板の足場用踏板置き台を溶接により接合して足場用踏板置き台用脚部を形成し、さらに前記足場用踏板置き台用脚部の上端のウェブと他方のフランジの上端に長方形をした薄鋼板の両側を前記フランジと同一幅で概ねＺ字形に成形した足場支柱の端部を溶接で接合した一対の足場用踏板置き台付支柱と、前記一対の足場用踏板置き台付支柱に溶接により接合した足場用踏板置き台に固定するため、長方形をした厚さ１．６ｍｍの薄鋼板の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した足場用踏板と、前記一対の足場用踏板置き台付支柱の上端部と概ね中間部と下端部に取り付けるため、薄鋼板で概ねＺ字形に成形した上端部固定用横梁と中間部固定用横梁と下端部固定用横梁と、前記足場用踏板と足場用踏板置き台付支柱を固定するため、薄鋼板で概ねＺ字形に成形した２本の斜め固定支柱をハの字形に配置して足場用踏板と足場用踏板置き台付支柱に取り付けたことを特徴とする。In a temporary scaffold installed on the outside of a building and used for construction work , both sides of a thin steel plate formed into an inverted trapezoidal shape are bent in opposite directions with the same width, and the central web and the flanges on both sides form a zig-za shape. Along with molding, a scaffolding treadrest stand made of thin steel plate having a rectangular shape with one side having the same width as the flange width is joined to the upper end of the central web and the upper end of one of the flanges by welding. The end of the scaffolding strut, which is formed in a zig-za shape with the same width as the flange on both sides of a thin steel plate having a rectangular shape at the upper end of the web and the other flange of the scaffolding platform leg. A rectangular shape with a thickness of 1.6 mm to be fixed to the pair of scaffolding stanchions with scaffolding pedestals and the pair of scaffolding pedestal stanchions joined by welding . Both sides of the thin steel plate are bent in the opposite direction with the same width, and the scaffolding treads are formed into a Z-shape with the web in the center and the flanges on both sides. In order to fix the scaffolding treads and the scaffolding pedestal stanchions, the upper end fixing cross beam, the middle part fixing cross beam, the lower end fixing cross beam, and the scaffolding treads It is characterized in that two diagonally fixed columns formed in a z-shape made of thin steel plate are arranged in a V shape and attached to a scaffolding tread plate and a scaffolding tread plate stand-equipped support column.

建物の外側に設置し、建築工事を行うために用いる仮設足場において、概ね逆台形状に成形した薄鋼板の両側を同一幅で互いに逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形すると共に、前記中央のウェブの上端と前記一方のフランジの上端に一辺がフランジ巾と同一で長方形をした薄鋼板の足場用踏板置き台を溶接により接合して足場用踏板置き台用脚部を形成し、さらに前記足場用踏板置き台用脚部の上端のウェブと他方のフランジの上端に長方形をした薄鋼板の両側を前記フランジと同一幅で概ねＺ字形に成形した足場支柱の端部を溶接で接合した一対の足場用踏板置き台付支柱と、前記一対の足場用踏板置き台付支柱に溶接により接合した足場用踏板置き台に固定するため、長方形をした厚さ１．６ｍｍの薄鋼板の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した足場用踏板と、前記一対の足場用踏板置き台付支柱の上端部と概ね中間部と下端部に取り付けるため、薄鋼板で概ねＺ字形に成形した上端部固定用横梁と中間部固定用横梁と下端部固定用横梁と、前記足場用踏板と足場用踏板置き台付支柱を固定するため、薄鋼板で概ねＺ字形に成形した２本の斜め固定支柱をハの字形に配置して足場用踏板と足場用踏板置き台付支柱に取り付けたことにより、隣家と建築する建物の間が狭い場合でも安全に外足場を設置することが出来るようになると共に、軽量で組み立てが簡単なため、現場への搬入や足場組立作業時間を短縮させることが可能となった。In a temporary scaffold installed on the outside of a building and used for construction work , both sides of a thin steel plate formed into an inverted trapezoidal shape are bent in opposite directions with the same width, and the central web and the flanges on both sides form a zig-za shape. Along with molding, a scaffolding treadrest stand made of thin steel plate having a rectangular shape with one side having the same width as the flange width is joined to the upper end of the central web and the upper end of one of the flanges by welding. The end of the scaffolding strut, which is formed in a zig-za shape with the same width as the flange on both sides of a thin steel plate having a rectangular shape at the upper end of the web and the other flange of the scaffolding platform leg. A rectangular shape with a thickness of 1.6 mm to be fixed to the pair of scaffolding stanchions with scaffolding pedestals and the pair of scaffolding pedestal stanchions joined by welding . Both sides of the thin steel plate are bent in the opposite direction with the same width, and the scaffolding treads are formed into a Z-shape with the web in the center and the flanges on both sides. In order to fix the scaffolding treads and the scaffolding pedestal stanchions, the upper end fixing cross beam, the middle part fixing cross beam, the lower end fixing cross beam, and the scaffolding treads When the space between the neighboring house and the building to be built is narrow due to the fact that two diagonal fixed columns formed in a z-shape made of thin steel plate are arranged in a V shape and attached to the scaffolding treads and the scaffolding treads with pedestals. However, it has become possible to safely install the outer scaffolding, and because it is lightweight and easy to assemble, it has become possible to shorten the time required for carrying it to the site and assembling the scaffolding.

以下、この発明の実施の形態について説明する。
［発明の実施の形態］Hereinafter, embodiments of the present invention will be described.
[Embodiments of the Invention]

図１乃至図１４には、この発明の実施の形態を示す。 1 to 14 show embodiments of the present invention.

図１は、本発明の上下移動式外足場１を正面図（図１ａ）と右側面図（図１ｂ）で示す。 FIG. 1 shows a vertically movable outer scaffold 1 of the present invention with a front view (FIG. 1a) and a right side view (FIG. 1b).

図１ａは、本発明の上下移動式外足場１を正面図で示すと共に、図１ｂは上下移動式外足場１を右側面図で示す。上下移動式外足場１は上下移動式外足場１を支えるため両側を一対の第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５で構成し、その一対の第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５の上端部には長方形をした薄鋼板（厚さ１．６ｍｍ）の両側を同一巾で逆方向に折り曲げ概ねＺ字形に成形した上端部固定用横梁２の両端がボルト１１、２０とナット２７、２１３（図１０で示す）で取り付けられると共に、一対の第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５の下端部には長方形をした薄鋼板（厚さ１．６ｍｍ）をＬ字形に成形した下端部固定用横梁９の両端がボルト１７、２５とナット３２、２１１（図１０で示す）により取り付けられる。さらに第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５の下端から１ｍの高さに作業者が乗って室外側から作業を行うため、長方形をした薄鋼板（厚さ１．６ｍｍ）の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した足場用踏板６の両側のフランジがボルト１３、１４、２２、２３とナット２９、３０、２１２（図１０で示す）、２１６（図１０で示す）により取り付けられる。さらに足場用踏板６を補強するため、長方形をした薄鋼板（厚さ１．６ｍｍ）の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した２本の第１の斜め固定支柱７と第２の斜め固定支柱８の一端をボルト１８、１９とナット２２９（図１３で示す）、ナット（図示せず）で足場用踏板６のフランジに固定すると共に、それぞれの他端をボルト１５、２４とナット３１、ナット（図示せず）で第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５に取り付けることにより足場用踏板６の撓みを抑え足場用踏板６を補強することが可能となった。さらに第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５の上端から１．２０ｍ下部に長方形をした薄鋼板（厚さ１．６ｍｍ）の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した中間部固定用横梁３の両端がボルト１２、２１とナット２８、ナット１８９（図１０で示す）で第１の足場用踏仮置き台寸支柱４と第２の足場用踏板置き台付支柱５のフランジに取り付けた状態を示す。 FIG. 1a shows a vertically movable outer scaffold 1 of the present invention in a front view, and FIG. 1b shows a vertically movable outer scaffold 1 in a right side view. In order to support the vertically movable outer scaffold 1, the vertically movable outer scaffold 1 is composed of a pair of columns 4 with a first scaffolding platform and a pair of columns 5 with a second scaffolding platform on both sides. Bend both sides of a thin rectangular steel plate (thickness 1.6 mm) in the opposite direction at the upper ends of the first scaffolding stanchion stanchion 4 and the second scaffolding pedestal stanchion 5 with the same width. Both ends of the cross beam 2 for fixing the upper end portion, which is formed in a substantially Z shape, are attached by bolts 11, 20 and nuts 27, 213 (shown in FIG. At the lower end of the support column 5 with a scaffolding platform for scaffolding 2, a rectangular thin steel plate (thickness 1.6 mm) is formed into an L shape, and both ends of the lower end fixing cross beam 9 are bolts 17, 25 and nuts 32. Attached by 211 (shown in FIG. 10). Further, a rectangular thin steel plate is used so that the worker can ride from the outdoor side at a height of 1 m from the lower end of the first scaffolding platform with tread stand 4 and the second scaffolding platform with stand 5. Both sides (thickness 1.6 mm) are bent in the opposite direction with the same width, and the flanges on both sides of the scaffolding tread 6 formed into a roughly Z shape with the web in the center and the flanges on both sides are bolts 13, 14, 22, 23 and nuts. Attached by 29, 30, 212 (shown in FIG. 10) and 216 (shown in FIG. 10). Further, in order to reinforce the scaffolding tread plate 6, both sides of a rectangular thin steel plate (thickness 1.6 mm) are bent in the opposite direction with the same width, and the center web and the flanges on both sides are formed into a substantially Z-shape. One end of the diagonal fixing support 7 and the second diagonal fixing support 8 of 1 is fixed to the flange of the scaffolding tread 6 with bolts 18, 19 and nuts 229 (shown in FIG. 13) and nuts (not shown), respectively. Scaffolding treads 6 by attaching the other ends of the bolts 15, 24, nuts 31, and nuts (not shown) to the first scaffolding treadle stand 4 and the second scaffolding treadle stand 5. It has become possible to reinforce the scaffolding tread plate 6 by suppressing the deflection of the scaffolding. Further, both sides of a thin steel plate (thickness 1.6 mm) having a rectangular shape 1.20 m below the upper end of the first scaffolding support column 4 and the second scaffolding platform support column 5 have the same width. Bend in the opposite direction Both ends of the intermediate part fixing cross beam 3 formed into a substantially Z shape with the central web and the flanges on both sides are bolts 12, 21 and nuts 28, and nuts 189 (shown in FIG. 10) for the first scaffolding step. A state in which the temporary stand size support 4 and the second scaffolding footrest support support 5 are attached to the flanges is shown.

図２は、図１で説明した上下移動式外足場１を斜視図で示す。上端部固定用横梁２は、図１０、図１１で示すように、長方形をした厚さ１．６ｍｍ、長さ３．０５ｍ、幅１１４ｍｍの薄鋼板の長辺部の両端の幅７ｍｍを強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記両端を幅７ｍｍ折り曲げた後の長方形をした薄鋼板の幅１００ｍｍの両側を、さらに幅３０ｍｍ互いに逆方向に直角に折り曲げることにより、上端部固定用横梁２は中央の幅４０ｍｍのウェブ１９０と両側の幅３０ｍｍのフランジ１９１、１９３で概ねＺ字形に成形され、このように成形した上端部固定用横梁２のフランジ１９３の両端からそれぞれ１５ｍｍ離れた位置でフランジ１９３の中心線の交わる位置に直径１０ｍｍの穴１９２、１９４を開け、前記穴１９２、１９４に対して図６、図７で示す足場支柱５５、１２０のフランジ６８、１３３の上端からそれぞれ１５ｍｍ離れた位置でフランジ６８、１３３の中心線が交わる位置に開けた直径１０ｍｍの穴６３、１２８と穴位置を合致させボルト１１、２０とナット２７、２１３（図１０で示す）で上端部固定用横梁２を第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５に取り付けた状態を示す。 FIG. 2 is a perspective view of the vertically movable outer scaffold 1 described with reference to FIG. As shown in FIGS. 10 and 11, the cross beam 2 for fixing the upper end portion has a rectangular shape having a thickness of 1.6 mm, a length of 3.05 m, and a width of 114 mm, and has a width of 7 mm at both ends of the long side portion of the thin steel plate. In order to raise it, it is bent 180 degrees in opposite directions, and both ends of the rectangular thin steel plate with a width of 7 mm are bent at a width of 100 mm, and both sides are further bent at a width of 30 mm at right angles in opposite directions to fix the upper end. Reference numeral 2 is formed into a substantially Z-shape by a web 190 having a width of 40 mm in the center and flanges 191 and 193 having a width of 30 mm on both sides, and at positions 15 mm away from both ends of the flange 193 of the cross beam 2 for fixing the upper end portion thus formed. Holes 192 and 194 having a diameter of 10 mm are drilled at positions where the center lines of the flanges 193 intersect, and the holes 192 and 194 are separated from the upper ends of the flanges 68 and 133 of the scaffolding columns 55 and 120 shown in FIGS. Match the hole positions with the holes 63 and 128 with a diameter of 10 mm made at the position where the center lines of the flanges 68 and 133 intersect at the same position, and use the bolts 11, 20 and nuts 27 and 213 (shown in FIG. 10) to fix the upper end of the cross beam. 2 is shown in a state in which 2 is attached to the support column 4 with a tread plate stand for a first scaffold and the column 5 with a tread plate stand for a second scaffold.

さらに図２の中間部固定用横梁３は、図１０、図１１で示すように、長方形をした厚さ１．６ｍｍ、長さ３．０５ｍ、幅３０４ｍｍの薄鋼板の長辺部の両端の幅７ｍｍを強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記両端を幅７ｍｍ折り曲げた後の長方形をした薄鋼板の幅２９０ｍｍの両側を、さらに幅７０ｍｍ互いに逆方向に直角に折り曲げることにより、上端部固定用横梁２は中央の幅１５０ｍｍのウェブ１８５と両側の幅７０ｍｍのフランジ１８４、１８７で概ねＺ字形に成形され、このように成形した中間部固定用横梁３のフランジ１８７の両端からそれぞれ１５ｍｍ離れた位置でフランジ１８７の中心線が交わる位置に直径１０ｍｍの穴１８６、１８８を開け、前記穴１８６、１８８に対して図６、図７で示す足場支柱５５、１２０のフランジ６８、１３３の上端からそれぞれ１．２３５ｍ離れた位置でフランジ６８、１３３の中央線が交わる位置に開けた直径１０ｍｍの穴１８３、穴（図示せず）と穴位置を合致させボルト１２、２１とナット２８、１８９（図１０で示す）で中間部固定用横梁３を第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５に取り付けた状態を示す。 Further, as shown in FIGS. 10 and 11, the intermediate beam fixing cross beam 3 in FIG. 2 has a rectangular shape having a thickness of 1.6 mm, a length of 3.05 m, and a width of 304 mm at both ends of the long side of the thin steel plate. The upper end is bent 180 degrees in opposite directions to increase the strength of 7 mm, and both ends of the rectangular thin steel plate after bending 7 mm in width are further bent at right angles to each other by 70 mm in width. The portion fixing cross beam 2 is formed in a substantially Z shape by a web 185 having a width of 150 mm in the center and flanges 184 and 187 having a width of 70 mm on both sides, and 15 mm from both ends of the flange 187 of the intermediate portion fixing cross beam 3 thus formed. Holes 186 and 188 having a diameter of 10 mm are drilled at positions where the center lines of the flanges 187 intersect at a distance, and the upper ends of the flanges 68 and 133 of the scaffolding columns 55 and 120 shown in FIGS. 6 and 7 with respect to the holes 186 and 188. A hole 183 with a diameter of 10 mm drilled at a position where the center lines of the flanges 68 and 133 intersect at a position 1.235 m away from each other. (Shown in FIG. 10) shows a state in which the intermediate portion fixing cross beam 3 is attached to the first scaffolding step board pedestal stanchion 4 and the second scaffolding pedestal pedestal stanchion 5.

さらに図２の足場用踏板６は、図１０、図１１で示すように、長方形をした厚さ１．６ｍｍ、長さ３．０５ｍ、幅３０４ｍｍの薄鋼板の長辺部の両端の幅７ｍｍを強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記両端を幅７ｍｍ折り曲げた後の長方形をした薄鋼板の幅２９０ｍｍの長辺部の両側を、さらに幅７０ｍｍ互いに逆方向に直角に折り曲げることにより、足場用踏板６は中央の幅１５０ｍｍのウェブ１９８と両側の幅７０ｍｍのフランジ１９６、１９９で概ねＺ字形に成形され、このように成形された足場用踏板６の両側のフランジ１９６、フランジ１９９の両端からそれぞれ１５ｍｍ離れた位置でフランジ１９６、フランジ１９９の中心線が交わる位置に直径１０ｍｍの穴１９５、穴１８２（点線で示す）、穴１９７、穴２００を開け、前記穴１９５と穴１８２（点線で示す）、穴１９７と穴２００に対して、図６、図７で示す足場支柱５５、１２０のフランジ６８、１３３の下端からそれぞれ１５ｍｍ離れた位置でフランジ１８７の中心線が交わる位置に開けた直径１０ｍｍの穴６９、１３４と、足場用踏板６のフランジ１９９の両端に開けた穴１９７、２００の穴位置を合致させると共に、同様に足場用踏板置き台用脚部５７、１２２のフランジ９４、１５８の上端から１５ｍｍでフランジ９４、１５８の中心線が交わる位置に開けた穴９０、１５５と、図１０、１１の足場用踏板６のフランジ１９６の両端から１５ｍｍの位置でフランジ１９６の中心線が交わる位置に開けた穴１９５、１８２（点線で示す）の穴位置を合致させ、前記足場用踏板６のウェブ１９８の両端部を足場用踏板置き台用脚部５７、１２２の足場用踏板置き台５６、１２１の上部に載せて重ね合せ４本のボルト１３、１４、２２、２３と４個のナット２９、３０、２１２、２１６で足場用踏板６を第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５に取り付けた状態を示す。 Further, as shown in FIGS. 10 and 11, the scaffolding tread 6 of FIG. 2 has a rectangular shape having a thickness of 1.6 mm, a length of 3.05 m, and a width of 304 mm at both ends of a thin steel plate having a width of 7 mm. In order to increase the strength, it is bent 180 degrees in opposite directions, and both ends of the rectangular thin steel plate with a width of 290 mm are bent at right angles to each other by a width of 70 mm. The scaffolding tread 6 is formed in a substantially Z shape with a web 198 having a width of 150 mm in the center and flanges 196 and 199 having a width of 70 mm on both sides. Holes 195, holes 182 (indicated by dotted lines), holes 197, and holes 200 having a diameter of 10 mm are drilled at positions where the center lines of the flange 196 and the flange 199 intersect at positions 15 mm apart from both ends, and the holes 195 and 182 (dotted lines) are drilled. ), With respect to the hole 197 and the hole 200, the center lines of the scaffolding columns 55 and 120 shown in FIGS. The holes 69 and 134 having a diameter of 10 mm are matched with the hole positions of the holes 197 and 200 made at both ends of the flange 199 of the scaffolding tread plate 6, and similarly, the flanges 94 of the scaffolding tread plate pedestal legs 57 and 122. Holes 90, 155 made at the position where the center lines of the flanges 94 and 158 intersect at 15 mm from the upper end of 158, and the center line of the flange 196 at a position 15 mm from both ends of the flange 196 of the scaffolding tread 6 of FIGS. Match the hole positions of the holes 195 and 182 (indicated by dotted lines) made at the intersecting positions, and place both ends of the web 198 of the scaffolding tread 6 at both ends of the scaffolding tread stand leg 57 and 122 for the scaffolding tread stand. Place the scaffolding tread 6 on the top of 56, 121 and stack it with four bolts 13, 14, 22, 23 and four nuts 29, 30, 212, 216. And the state where it is attached to the support column 5 with the second scaffolding tread stand is shown.

さらに図２の下端部固定用横梁９は、図８ａで示すように厚さ１．６ｍｍの薄鋼板を外形寸法に合わせ交わる角部が全て直角の形状で凸形に形取りした状態を示す。このように形取りした長方形をした折曲部２０９の辺２５０の長さは３．０４ｍ、互いに平行に向い合う右側上辺２５１と左側上辺２６０の長さは共に４７ｍｍ、さらに長方形をした右折曲部２１５の互いに平行に向い合う突出右上辺２５２と突出右下辺２５４の長さは共に４０ｍｍ、さらに互いに平行に向い合う突出右袖辺２５３と突出右折曲線２５５の長さは共に３７ｍｍ、このように成形した右折曲部２１５の突出右袖辺２５３から２０ｍｍ離れた位置で突出右上辺２５２から１５ｍｍ離れた位置に直径１０ｍｍの穴２１０を開けると共に、同様に長方形をした左折曲部２０６の互いに平行に向い合う突出左上辺２５９と突出左下辺２５７の長さは共に４０ｍｍ、さらに互いに平行に向い合う突出左袖辺２５８と突出左折曲線２６２の長さは共に３７ｍｍ、このように成形した左折曲部２０６の端部の突出左袖辺２５８から２０ｍｍ離れた位置で突出左上辺２５９から１５ｍｍ離れた位置に直径１０ｍｍの穴２０７を開け、さらに左折曲部２０６と隣り合う長方形をした折曲部２０８の平行に向い合う折曲線２６１と辺２５６の長さは共に３．０４ｍである。このように下端部固定用横梁９は長方形をした折曲部２０９と折曲部２０８と右折曲部２１５と左折曲部２０６で凸形に形取りされ、このように形取りした辺２５０と、向い合う一直線上に位置する辺２５６、突出右下辺２５４、突出左下辺２５７の端部から幅７ｍｍ部分を強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記端部を１８０°折り曲げた後の凸形をした折曲部２０９と向かい合う折曲部２０８、右折曲部２１５、左折曲部２０６を折曲線２６１の位置で直角に折り曲げ、つづいて右折曲部２１５を折曲部２０８に対して突出右折曲線２５５の位置で直角に折り曲げ、さらに右側上辺２５１と突出右上辺２５２を溶接で接合し、同様に左折曲部２０６を折曲部２０８に対して突出左折曲線２６２の位置で直角に折り曲げ、さらに左側上辺２６０と突出左上辺２５９を溶接で接合した状態を図８ｂの斜視図で示す。 Further, as shown in FIG. 8a, the cross beam 9 for fixing the lower end portion of FIG. 2 shows a state in which a thin steel plate having a thickness of 1.6 mm is formed into a convex shape with all the corner portions intersecting with each other according to the external dimensions. The length of the side 250 of the rectangular bent portion 209 shaped in this way is 3.04 m, the lengths of the right upper side 251 and the left upper side 260 facing each other in parallel are both 47 mm, and the rectangular right bent portion is further formed. The lengths of the protruding right upper side 252 and the protruding right lower side 254 facing parallel to each other of 215 are both 40 mm, and the lengths of the protruding right sleeve side 253 and the protruding right turn curve 255 facing parallel to each other are both 37 mm. A hole 210 with a diameter of 10 mm is drilled at a position 20 mm away from the protruding right sleeve side 253 of the right-turned portion 215, and a hole 210 having a diameter of 10 mm is drilled at a position 15 mm away from the upper right side 252, and the similarly rectangular left-turned portion 206 faces parallel to each other. The length of the protruding upper left side 259 and the protruding left lower side 257 are both 40 mm, and the lengths of the protruding left sleeve side 258 and the protruding left turn curve 262 facing parallel to each other are both 37 mm. A hole 207 with a diameter of 10 mm is drilled at a position 20 mm away from the protruding left sleeve side 258 of the end and 15 mm away from the protruding upper left side 259, and further parallel to the rectangular bent portion 208 adjacent to the left bent portion 206. The lengths of the folding curves 261 and the sides 256 facing each other are both 3.04 m. In this way, the lower end fixing cross beam 9 is formed into a convex shape by the rectangular bent portion 209, the bent portion 208, the right bent portion 215, and the left bent portion 206, and the side 250 formed in this way and the side 250. After bending the sides 7 mm wide from the ends of the sides 256, the protruding right lower side 254, and the protruding left lower side 257 located on the facing straight lines 180 degrees in opposite directions to increase the strength, and bending the ends 180 degrees. The bent portion 208, the right bent portion 215, and the left bent portion 206 facing the convex bent portion 209 are bent at a right angle at the position of the folding curve 261 and then the right bending portion 215 protrudes with respect to the folding portion 208. Bend at a right angle at the position of the right turn curve 255, further join the right upper side 251 and the protruding upper right side 252 by welding, and similarly bend the left turn portion 206 at the position of the protruding left turn curve 262 with respect to the bend portion 208. Further, a state in which the upper left side 260 and the protruding upper left side 259 are joined by welding is shown in the perspective view of FIG. 8b.

さらに図２の第１の足場用踏板置き台付支柱４は、図７で示すように上部を形成する足場支柱１２０と、下部を形成する足場用踏板置き台用脚部１２２と、足場支柱１２０と、足場用踏板置き台用脚部１２２の間に取り付けられる長方形をした足場用踏板置き台１２１で構成される。足場支柱１２０は、図７ａで示すように厚さ１．６ｍｍの薄鋼板を外形寸法に合わせて長方形に形取りした状態を示す。足場支柱１２０は長方形をした厚さ１．６ｍｍ、長さ３．０５ｍ、幅１１４ｍｍの薄鋼板の両側の長さ３．０５ｍ、幅７ｍｍの補強用折曲部１２９、１４５を共に折曲線１３１、１４１の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記両側を幅７ｍｍ折り曲げた後の長方形をした薄鋼板の両側のフランジ１３３、１４０を折曲線１３１、１４２の位置でさらに互いに長さ３．０５ｍ、幅３０ｍｍ逆方向に直角に折り曲げることにより、足場支柱１２０は中央の幅４０ｍｍのウェブ１４３と両側の幅３０ｍｍのフランジ１３３、１４０で概ねＺ字形に成形され、このように成形した足場支柱１２０のフランジ１３３の端部１２６から１５ｍｍ離れた位置で折曲線１３１と折曲線１３２の中心線が交わる位置に直径１０ｍｍの穴１２８を開け、さらに端部１３６から３５ｍｍ離れた位置で折曲線１３１と折曲線１３２の中心線が交わる位置に直径１０ｍｍの穴１３４を開けることにより図７ｂで示すように足場支柱１２０が形成される。 Further, in the first scaffolding platform with scaffolding column 4 of FIG. 2, as shown in FIG. 7, the scaffolding column 120 forming the upper portion, the scaffolding platform leg portion 122 forming the lower portion, and the scaffolding column 120 And a rectangular scaffolding tread stand 121 attached between the scaffolding tread stand legs 122. As shown in FIG. 7a, the scaffolding column 120 shows a state in which a thin steel plate having a thickness of 1.6 mm is formed into a rectangular shape according to the external dimensions. The scaffolding column 120 has a rectangular shape with a thickness of 1.6 mm, a length of 3.05 m, a width of 114 mm, and both sides of a thin steel plate having a length of 3.05 m and a width of 7 mm. In order to increase the strength at the position of 141, the flanges 133 and 140 on both sides of the rectangular thin steel plate after being bent 180 degrees in opposite directions and the width of both sides are bent by 7 mm are further lengthened at the positions of the folding curves 131 and 142. By bending at a right angle of 3.05 m and a width of 30 mm in the opposite direction, the scaffold support 120 was formed into a substantially Z-shape by a web 143 having a width of 40 mm in the center and flanges 133 and 140 having a width of 30 mm on both sides. A hole 128 having a diameter of 10 mm is drilled at a position where the fold curve 131 and the center line of the fold curve 132 intersect at a position 15 mm away from the end 126 of the flange 133 of the scaffold support column 120, and a fold curve is further formed at a position 35 mm away from the end 136. The scaffolding column 120 is formed as shown in FIG. 7b by making a hole 134 having a diameter of 10 mm at a position where the center line of the folding curve 132 and 131 intersect.

さらに足場用踏板置き台１２１は長方形をした厚さ１．６ｍｍの薄鋼板で、平行に向かい合うＡ辺１４６、Ｃ辺１４８の長さは共に３０ｍｍ、さらに平行に向かい合うＢ辺１４７、Ｄ辺１４９の長さは共に１５０ｍｍである。 Furthermore, the footboard stand 121 for scaffolding is a rectangular thin steel plate with a thickness of 1.6 mm, and the lengths of the A side 146 and the C side 148 facing each other in parallel are both 30 mm, and the B side 147 and the D side 149 facing each other in parallel. Both lengths are 150 mm.

さらに足場用踏板置き台用脚部１２２は、図７ａで示すように厚さ１．６ｍｍの薄鋼板を外形寸法に合わせて概ね逆台形状に形取りした状態を示す。補強用折曲部１５６は長方形の形状で辺１６０と折曲線１５９の長さは共に１ｍ、平行に向かい合う端部１５４と端部１６２の長さは共に７ｍｍである。さらに補強用折曲部１５６と隣り合うフランジ１５８は長方形の形状で折曲線１５７の長さは折曲線１５９の長さと同様に１ｍ、平行に向かい合う端部１５３と端部１６３の長さは共に３０ｍｍ、さらに端部１５３から３５ｍｍ離れた位置で折曲線１５９と折曲線１５７の中心線が交わる位置に直径１０ｍｍの穴１５５を開けると共に、さらに端部１６３から１００ｍｍ離れた位置で折曲線１５９と折曲線１５７の中心線が交わる位置に直径１０ｍｍの穴１６１が開けられる。さらにフランジ１５８と隣り合うウェブ１７１は台形形状で、端部１５２の長さは１９０ｍｍ、折曲線１５７と端部１５２の交わる角度は９０°である。さらに端部１５２と平行に向かい合う端部１６４の長さは４０ｍｍ、折曲線１５７と端部１６４の交わる角度は９０°である。さらに折曲線１７２の長さは１．０１１ｍ、端部１５２と折曲線１７２の交わる角度は８１°、端部１６４と折曲線１７２の交わる角度は９９°である。さらに端部１６４から１５ｍｍ離れた位置で折曲線１５７から並行に２０ｍｍ離れた位置に直径１０ｍｍの穴１６７が開けられる。さらにウェブ１７１と隣り合うフランジ１７０は長方形の形状で平行に向かい合う端部１５１と端部１６５の長さは共に３０ｍｍ、端部１５１、１６５と折曲線１７２の交わる角度は共に９０°である、さらに折曲線１６９の長さは折曲線１７２の長さと同じ１．０１１ｍである。さらにフランジ１７０と隣り合う補強折曲部１７３は長方形の形状で平行に向かい合う端部１５０と端部１６６の長さは共に７ｍｍ、折曲線１６９と端部１５０、１６６が交わる角度は９０°である。さらに辺１６８の長さは折曲線１６９の長さと同様に１．０１１ｍである。このように形取りした概ね逆台形状の足場用踏板置き台用脚部１２２の補強用折曲部１５６と補強用折曲部１７３を折曲線１５９、折曲線１６９の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、フランジ１５８とフランジ１７０を折曲線１５７と折曲線１７２の位置で互いに逆方向に直角に折り曲げることにより、足場用踏板置き台用脚部１２２は図７ｂに示すように中央の台形状をしたウェブ１７１と両側の幅３０ｍｍのフランジ１８５、１７０で概ねＺ字形に形成される。 Further, as shown in FIG. 7a, the scaffolding tread stand leg portion 122 shows a state in which a thin steel plate having a thickness of 1.6 mm is formed into a substantially inverted trapezoidal shape according to the external dimensions. The reinforcing bent portion 156 has a rectangular shape, the lengths of the sides 160 and the folded curve 159 are both 1 m, and the lengths of the end portions 154 and the end portions 162 facing in parallel are both 7 mm. Further, the flange 158 adjacent to the reinforcing bent portion 156 has a rectangular shape, the length of the folded curve 157 is 1 m, which is the same as the length of the folded curve 159, and the lengths of the end portions 153 and the end portions 163 facing in parallel are both 30 mm. Further, a hole 155 having a diameter of 10 mm is made at a position where the folding curve 159 and the center line of the folding curve 157 intersect at a position 35 mm away from the end portion 153, and a folding curve 159 and a folding curve are further formed at a position 100 mm away from the end portion 163. A hole 161 having a diameter of 10 mm is drilled at a position where the center lines of 157 intersect. Further, the web 171 adjacent to the flange 158 has a trapezoidal shape, the length of the end portion 152 is 190 mm, and the angle at which the folding curve 157 and the end portion 152 intersect is 90 °. Further, the length of the end portion 164 facing parallel to the end portion 152 is 40 mm, and the angle at which the folding curve 157 and the end portion 164 intersect is 90 °. Further, the length of the folding curve 172 is 1.011 m, the angle at which the end portion 152 and the folding curve 172 intersect is 81 °, and the angle at which the end portion 164 and the folding curve 172 intersect is 99 °. Further, a hole 167 having a diameter of 10 mm is drilled at a position 20 mm away from the folding curve 157 at a position 15 mm away from the end portion 164. Further, the flange 170 adjacent to the web 171 has a rectangular shape, and the lengths of the end 151 and the end 165 facing in parallel are both 30 mm, and the angle at which the ends 151 and 165 and the folding curve 172 intersect is 90 °. The length of the folding curve 169 is 1.011m, which is the same as the length of the folding curve 172. Further, the reinforcing bent portion 173 adjacent to the flange 170 has a rectangular shape, and the lengths of the end portion 150 and the end portion 166 facing in parallel are both 7 mm, and the angle at which the folded curve 169 and the end portions 150 and 166 intersect is 90 °. .. Further, the length of the side 168 is 1.011 m, which is the same as the length of the folding curve 169. In order to increase the strength of the reinforcing bent portion 156 and the reinforcing bent portion 173 of the foot portion 122 for the stair tread stand, which has an substantially inverted trapezoidal shape, at the positions of the folding curve 159 and the folding curve 169, each other. By bending the flange 158 and the flange 170 at the positions of the folding curve 157 and the folding curve 172 at right angles in opposite directions while bending 180 degrees in the opposite direction, the foot portion 122 for the stair tread stand for scaffolding is as shown in FIG. 7b. The trapezoidal web 171 in the center and the flanges 185 and 170 having a width of 30 mm on both sides form a substantially Z-shape.

さらに図７ｂで示すように、足場用踏板置き台用脚部１２２の端部１５３と足場用踏板置き台１２１のＡ辺１４６を溶接で接合すると共に、足場用踏板置き台用脚部１２２の端部１５２と足場用踏板置き台１２１のＤ辺１４９を溶接により接合し、さらに足場用踏板置き台用脚部１２２の端部１５１と足場支柱１２０の端部１３８を溶接により接合し、さらに足場用踏板置き台１２１のＣ辺１４８と足場支柱１２０の端部１３６を溶接により接合し、さらに足場用踏板置き台用脚部１２２の端部１５２と足場支柱１２０の端部１３７を溶接により接合することにより、図７ｃで示すように第１の足場用踏板置き台付支柱４が形成される。 Further, as shown in FIG. 7b, the end 153 of the scaffolding footrest stand leg 122 and the A side 146 of the scaffolding footboard stand 121 are joined by welding, and the end of the scaffolding footboard stand leg 122 is joined. The portion 152 and the D side 149 of the scaffolding platform 121 are joined by welding, and the end 151 of the scaffolding platform leg 122 and the end 138 of the scaffolding column 120 are joined by welding, and further for scaffolding. The C side 148 of the tread board 121 and the end 136 of the scaffolding column 120 are joined by welding, and the end 152 of the scaffolding tread table leg 122 and the end 137 of the scaffolding column 120 are joined by welding. As a result, as shown in FIG. 7c, the first support column 4 with a scaffolding board stand is formed.

さらに図２の第１の足場用踏板置き台付支柱５は、図６で示すように上部を形成する足場支柱５５と、下部を形成する足場用踏板置き台用脚部５７と、足場支柱５５と、足場用踏板置き台用脚部５７の間に挟み込むように取り付けられる長方形をした足場用踏板置き台５６で構成される。足場支柱５５は、図６ａで示すように長方形をした厚さ１．６ｍｍ、長さ３．０５ｍ、幅１１４ｍｍの薄鋼板の両側の幅７ｍｍの補強用折曲部６５、７９を共に折曲線６７、７６の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、前記両側を幅７ｍｍ折り曲げた後の長方形をした薄鋼板の両側のフランジ６８、７５を折曲線６６、７７の位置でさらに幅３０ｍｍ互いに逆方向に直角に折り曲げることにより、足場支柱５５は中央の幅４０ｍｍのウェブ７８と両側の幅３０ｍｍのフランジ６８、７５で概ねＺ字形に成形され、このように成形した足場支柱５５のフランジ６８の端部６１から１５ｍｍ離れた位置で折曲線６７と折曲線６６の中心線が交わる位置に直径１０ｍｍの穴６３を開け、さらに端部７１から３５ｍｍ離れた位置で折曲線６７と折曲線６６の中心線が交わる位置に直径１０ｍｍの穴６９を開けることにより図６ｂで示すように足場支柱５５が形成される。 Further, as shown in FIG. 6, the first scaffolding platform with scaffolding column 5 in FIG. 2 has a scaffolding column 55 forming an upper portion, a scaffolding platform leg portion 57 forming a lower portion, and a scaffolding column 55. And a rectangular scaffolding tread stand 56 that is attached so as to be sandwiched between the scaffolding tread stand legs 57. As shown in FIG. 6a, the scaffolding column 55 is a rectangular thin steel plate having a thickness of 1.6 mm, a length of 3.05 m, and a width of 114 mm. , Bend 180 degrees in opposite directions to increase the strength at the position of 76, and further width the flanges 68 and 75 on both sides of the rectangular thin steel plate after bending the width of 7 mm on both sides at the positions of the folding curves 66 and 77. By bending 30 mm at right angles in opposite directions, the scaffolding column 55 is formed into a substantially Z shape by a web 78 having a width of 40 mm in the center and flanges 68 and 75 having a width of 30 mm on both sides, and the flange of the scaffolding column 55 thus formed. A hole 63 having a diameter of 10 mm is drilled at a position where the fold curve 67 and the center line of the fold curve 66 intersect at a position 15 mm away from the end portion 61 of 68, and the fold curve 67 and the fold curve 66 are further located at a position 35 mm away from the end portion 71. A scaffolding column 55 is formed as shown in FIG. 6b by making a hole 69 having a diameter of 10 mm at a position where the center lines of the above cross.

さらに足場用踏板置き台５６は厚さ１．６ｍｍの薄鋼板で長方形をした形状で、平行に向かい合うＡ辺８１、Ｃ辺８３の長さは共に３０ｍｍ、さらに平行に向かい合うＢ辺８２、Ｄ辺８４の長さは共に１５０ｍｍである。 Furthermore, the footboard stand 56 for scaffolding has a rectangular shape made of a thin steel plate with a thickness of 1.6 mm, and the lengths of the A side 81 and the C side 83 facing each other in parallel are both 30 mm, and the B side 82 and the D side facing each other in parallel. Both 84 have a length of 150 mm.

さらに足場用踏板置き台用脚部５７は、図６ａで示すように厚さ１．６ｍｍの薄鋼板を外形寸法に合わせて概ね逆台形状に形取りした状態を示す。補強用折曲部９１は長方形の形状で辺９３と折曲線９５の長さは共に１ｍ、平行に向かい合う端部８９と端部９７の長さは共に７ｍｍである。さらに補強用折曲部９１と隣り合うフランジ９４は長方形の形状で折曲線９２の長さは折曲線９５の長さと同様に１ｍ、平行に向かい合う端部８８と端部９８の長さは共に３０ｍｍ、さらに端部８８から３５ｍｍ離れた位置で折曲線９５と折曲線９２の中心線が交わる位置に直径１０ｍｍの穴９０を開けると共に、さらに端部９８から１００ｍｍ離れた位置で折曲線９５と折曲線９２が交わる位置に直径１０ｍｍの穴９６が開けられる。さらにフランジ９４と隣り合うウェブ１０６は台形形状で、端部８７の長さは１９０ｍｍ、折曲線９２と端部８７の交わる角度は９０°である。さらに端部８７と平行に向かい合う端部９９の長さは４０ｍｍ、折曲線９２と端部９９の交わる角度は９０°である。さらに折曲線１０７の長さは１．０１１ｍ、端部８７と折曲線１０７の交わる角度は８１°、端部９９と折曲線１０７の交わる角度は９９°である。さらに端部９９から１５ｍｍ離れた位置で折曲線９２から平行に２０ｍｍ離れた位置に直径１０ｍｍの穴１０２が開けられる。さらにウェブ１０６と隣り合うフランジ１０４は長方形の形状で平行に向かい合う端部８６、１００の長さは共に３０ｍｍ、端部８６、１００と折曲線１０７が交わる角度は共に９０°である。さらに折曲線１０３の長さは折曲線１０７と同じ１．０１１ｍである。さらにフランジ１０４と隣り合う補強折曲部１０８は長方形の形状で平行に向かい合う端部８５と端部１０１の長さは共に７ｍｍ、折曲線１０３と端部８５、１０１は共に直角に交わる。さらに辺１０５の長さは折曲線１０３の長さと同じ１．０１１ｍである。このように形取りした概ね逆台形状の足場用踏板置き台用脚部５７の補強用折曲部９１と補強用折曲部１０８を折曲線９５、折曲線１０３の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、フランジ９４とフランジ１０４を折曲線９２と折曲線１０７の位置で互いに逆方向に直角に折り曲げることにより、足場用踏板置き台用脚部５７は図６ｂに示すように中央の台形状をしたウェブ１０６と両端の幅３０ｍｍのフランジ９４、１０４で概ねＺ字形に形成される。 Further, as shown in FIG. 6a, the leg portion 57 for the scaffolding tread stand shows a state in which a thin steel plate having a thickness of 1.6 mm is formed into a substantially inverted trapezoidal shape according to the external dimensions. The reinforcing bent portion 91 has a rectangular shape, the lengths of the sides 93 and the folded curve 95 are both 1 m, and the lengths of the end portions 89 and the end portions 97 facing in parallel are both 7 mm. Further, the flange 94 adjacent to the reinforcing bent portion 91 has a rectangular shape, the length of the folded curve 92 is 1 m, which is the same as the length of the folded curve 95, and the lengths of the end portions 88 and the end portions 98 facing in parallel are both 30 mm. Further, a hole 90 having a diameter of 10 mm is drilled at a position where the fold curve 95 and the center line of the fold curve 92 intersect at a position 35 mm away from the end portion 88, and the fold curve 95 and the fold curve are further formed at a position 100 mm away from the end portion 98. A hole 96 having a diameter of 10 mm is drilled at the position where the 92 intersects. Further, the web 106 adjacent to the flange 94 has a trapezoidal shape, the length of the end portion 87 is 190 mm, and the angle at which the folding curve 92 and the end portion 87 intersect is 90 °. Further, the length of the end portion 99 facing parallel to the end portion 87 is 40 mm, and the angle at which the folding curve 92 and the end portion 99 intersect is 90 °. Further, the length of the folding curve 107 is 1.011 m, the angle at which the end portion 87 and the folding curve 107 intersect is 81 °, and the angle at which the end portion 99 and the folding curve 107 intersect is 99 °. Further, a hole 102 having a diameter of 10 mm is formed at a position 15 mm away from the end portion 99 and 20 mm away from the folding curve 92 in parallel. Further, the flange 104 adjacent to the web 106 has a rectangular shape, and the lengths of the ends 86 and 100 facing in parallel are both 30 mm, and the angle at which the ends 86 and 100 and the folding curve 107 intersect is 90 °. Further, the length of the folding curve 103 is 1.011m, which is the same as that of the folding curve 107. Further, the reinforcing bent portion 108 adjacent to the flange 104 has a rectangular shape, and the lengths of the end portions 85 and the end portions 101 facing each other in parallel are both 7 mm, and the folding curves 103 and the end portions 85, 101 both intersect at right angles. Further, the length of the side 105 is 1.011 m, which is the same as the length of the folding curve 103. The reinforcing bent portion 91 and the reinforcing bent portion 108 of the foot portion 57 for the stair tread stand, which has a substantially inverted trapezoidal shape, are formed at the positions of the folding curve 95 and the folding curve 103 to increase the strength of each other. By bending the flange 94 and the flange 104 180 degrees in the opposite direction and bending the flange 94 and the flange 104 at right angles in opposite directions at the positions of the folding curve 92 and the folding curve 107, the foot portion 57 for the stair tread stand for scaffolding is as shown in FIG. 6b. The trapezoidal web 106 in the center and the flanges 94 and 104 having a width of 30 mm at both ends form a substantially Z-shape.

さらに図６ｂで示すように、足場用踏板置き台用脚部５７の端部８８と足場用踏板置き台５６のＡ辺８１を溶接で接合すると共に、足場用踏板置き台用脚部５７の端部８７と足場用踏板置き台５６のＢ辺８２を溶接により接合し、さらに足場用踏板置き台用脚部５７の端部８６と足場支柱５５の端部７３を溶接により接合し、さらに足場用踏板置き台５６のＣ辺８３と足場支柱５５の端部７１を溶接により接合し、さらに足場用踏板置き台用脚部５７の端部８７と足場支柱５５の端部７２を溶接により接合することにより、図６ｃで示すように第２の足場用踏板置き台付支柱５が形成される。 Further, as shown in FIG. 6b, the end 88 of the scaffolding platform leg 57 and the A side 81 of the scaffolding platform 56 are joined by welding, and the end of the scaffolding platform leg 57 is joined. The portion 87 and the B side 82 of the scaffolding platform 56 are joined by welding, and the end 86 of the scaffolding platform leg 57 and the end 73 of the scaffolding column 55 are joined by welding, and further for scaffolding. The C side 83 of the scaffolding platform 56 and the end 71 of the scaffolding column 55 are joined by welding, and the end 87 of the scaffolding platform leg 57 and the end 72 of the scaffolding column 55 are joined by welding. As a result, as shown in FIG. 6c, a second support column 5 with a scaffolding board stand is formed.

さらに図２の第２の斜め固定支柱８は、図１２で示すように厚さ１．６ｍｍの薄鋼板を外形形状に合わせて平板状に形取りした状態を示す。補強用折曲部３０２は等脚台形の形状で辺３００と辺３０５の長さは共に１０ｍｍ、辺３０１の長さは１．２６０ｍ、折曲線３０３の長さは１．２７４ｍ、辺３００と辺３０１の交わる角度は１３５°、辺３００と折曲線３０３の交わる角度は４５°、さらに辺３０５と辺３０１の交わる角度は１３５°、辺３０５と折曲線３０３の交わる角度は４５°である。さらに補強用折曲部３０２と隣り合うフランジ２２４は等脚台形の形状で辺３１７と辺３０６の長さは共に４２ｍｍ、折曲線３０４の長さは１．３３４ｍ、辺３００と辺３１７は一直線上に成形し、同様に辺３０５と３０６も一直線上に成形し、辺３１７と折曲線３０３の交わる角度は１３５°、辺３１７と折曲線３０４の交わる角度は４５°、同様に辺３０６と折曲線３０３の交わる角度は１３５°、辺３０６と折曲線３０４の交わる角度は４５°である。さらにフランジ２２４には折曲線３０３と折曲線３０４の中心線上で、辺３１７と折曲線３０４の交わる頂点から右方向に３５ｍｍの位置に直径１０ｍｍの穴２２６を開けると共に、同様に辺３０６と折曲線３０４の交わる頂点から左方向に４０ｍｍの位置に直径１０ｍｍの穴２２１が開けられる。さらにフランジ２２４と隣り合うウェブ２２３は長方形の形状で折曲線３１０の長さは１．２８０ｍ、辺３１６と辺３０７の長さは共に４０ｍｍ、辺３０７と折曲線３０４、３１０は共に直角に交わる。さらにウェブ２２３と隣り合うフランジ２２２は等脚台形の形状で辺３１５と辺３０８の長さは共に４２ｍｍ、折曲線３１１の長さは１．３４０ｍ、折曲線３１０と辺３１５の交わる角度は１３５°、辺３１５と折曲線３１１の交わる角度は４５°、さらに辺３０８と折曲線３１０の交わる角度は１３５°、辺３０８と折曲線３１１の交わる角度は４５°である。さらにフランジ２２２と隣り合う補強用折曲部３１３は逆等脚台形の形状で辺３０９と辺３１４の長さは共に１０ｍｍ、辺３１２の長さは１．３２６ｍ、辺３１４と折曲線３１１の交わる角度は４５°、辺３１４と辺３１２の交わる角度は１３５°、同様に辺３０９と折曲線３１１の交わる角度は４５°、辺３０９と辺３１２の交わる角度は１３５°である。 Further, the second diagonal fixed column 8 in FIG. 2 shows a state in which a thin steel plate having a thickness of 1.6 mm is formed into a flat plate shape according to the outer shape as shown in FIG. The reinforcing bent portion 302 has an isosceles trapezoidal shape, and the lengths of the sides 300 and the sides 305 are both 10 mm, the length of the side 301 is 1.260 m, the length of the folded curve 303 is 1.274 m, and the sides 300 and the sides. The intersection angle of 301 is 135 °, the intersection angle of the side 300 and the folding curve 303 is 45 °, the intersection angle of the side 305 and the side 301 is 135 °, and the intersection angle of the side 305 and the folding curve 303 is 45 °. Further, the flange 224 adjacent to the reinforcing bent portion 302 has an isosceles trapezoidal shape, the lengths of the sides 317 and 306 are both 42 mm, the length of the folded curve 304 is 1.334 m, and the sides 300 and 317 are on a straight line. Similarly, the sides 305 and 306 are also formed in a straight line. The intersection angle of 303 is 135 °, and the intersection angle of the side 306 and the folding curve 304 is 45 °. Further, in the flange 224, a hole 226 having a diameter of 10 mm is formed at a position 35 mm to the right from the apex where the side 317 and the fold curve 304 intersect on the center line of the fold curve 303 and the fold curve 304, and the side 306 and the fold curve are similarly formed. A hole 221 having a diameter of 10 mm is drilled at a position 40 mm to the left from the intersecting vertices of 304. Further, the web 223 adjacent to the flange 224 has a rectangular shape, the length of the folding curve 310 is 1.280 m, the lengths of the sides 316 and the side 307 are both 40 mm, and the sides 307 and the folding curves 304 and 310 both intersect at right angles. Furthermore, the flange 222 adjacent to the web 223 has an isosceles trapezoidal shape, the lengths of the sides 315 and 308 are both 42 mm, the length of the folding curve 311 is 1.340 m, and the angle at which the folding curve 310 and the side 315 intersect is 135 °. The angle at which the side 315 and the folding curve 311 intersect is 45 °, the angle at which the side 308 and the folding curve 310 intersect is 135 °, and the angle at which the side 308 and the folding curve 311 intersect is 45 °. Further, the reinforcing bent portion 313 adjacent to the flange 222 has an inverted isosceles trapezoidal shape, the lengths of the sides 309 and 314 are both 10 mm, the length of the sides 312 is 1.326 m, and the sides 314 and the folding curve 311 intersect. The angle is 45 °, the intersection angle of the side 314 and the side 312 is 135 °, the intersection angle of the side 309 and the folding curve 311 is 45 °, and the intersection angle of the side 309 and the side 312 is 135 °.

このように成形した第２の斜め固定支柱８の両側の幅７ｍｍの補強用折曲部３０２、３１３を共に折曲線３０３、３１１の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、フランジ２２４、フランジ２２２を折曲線３０４、折曲線３１０の位置で互いに逆方向に直角に折り曲げることにより、図１２ｂで示すように第２の斜め固定支柱８が形成される。このように形成した第２の斜め固定支柱８を図６ａで説明した足場用踏板置き台用脚部５７のフランジ９４に開けた穴９６と、図１３で示す足場用踏板６のフランジ１９６に開けた穴２２８（点線で示す）にボルト１９、２４とナット３１、２２９で固定することにより図１４で示すように、第２の斜め固定支柱８は足場用踏板６と第２の足場用踏板置き台付支柱５に固定され、足場用踏板６に作業者が乗った場合においても足場用踏板６の撓みを抑止することが可能となった。 Reinforcing bent portions 302 and 313 having a width of 7 mm on both sides of the second diagonally fixed support column 8 thus formed are both bent 180 degrees in opposite directions in order to increase the strength at the positions of the folding curves 303 and 311 and the flanges. By bending the 224 and the flange 222 at right angles to each other at the positions of the folding curve 304 and the folding curve 310, the second diagonal fixed column 8 is formed as shown in FIG. 12b. The second diagonal fixed column 8 thus formed is opened in the hole 96 formed in the flange 94 of the scaffolding tread stand leg 57 described with reference to FIG. 6a and in the flange 196 of the scaffolding tread 6 shown in FIG. As shown in FIG. 14, the second diagonal fixing column 8 is a scaffolding tread 6 and a second scaffolding tread holder by fixing the holes 228 (indicated by dotted lines) with bolts 19, 24 and nuts 31, 229. It is fixed to the support column 5 with a base, and it is possible to suppress the bending of the scaffolding tread 6 even when an operator gets on the scaffolding tread 6.

図２の第１の斜め固定支柱７についても同様に、第２の斜め固定支柱８と相対した形状で構成し、足場用踏板６と第１の足場用踏板置き台付支柱４にボルト１５、１８とナット（図示せず）で固定される。 Similarly, the first diagonal fixed support 7 in FIG. 2 is configured in a shape opposite to the second diagonal fixed support 8, and bolts 15 are added to the scaffolding tread 6 and the first scaffolding tread stand 4 with bolts 15. It is fixed with 18 and a nut (not shown).

さらに図２の第２のコンクリート床固定部材１０は、図９ａで示すように厚さ１．６ｍｍの長方形をした薄鋼板を外形寸法に合わせて平板状に形取りし、角部の内の一箇所の欠込上辺２６５を３７ｍｍ、欠込右辺２６６を４０ｍｍ切除した状態を示す。補強用折曲部２８０は長方形の形状で辺２７４と折曲線２７１の長さは共に０．６ｍ、辺２７６と辺２７９の長さは共に７ｍｍである。さらに補強用折曲部２８０と隣り合うフランジ２０１は長方形の形状で折曲線２７２の長さは０．６ｍ、辺２７０と辺２６３の長さは共に３０ｍｍである。さらにフランジ２０１と隣り合うウェブ２１４は長方形の形状で、折曲線２７３の長さは０．５６ｍ、辺２６９と辺２６４の長さは共に３０ｍｍで、辺２６４より２０ｍｍ離れた位置で折曲線２７２と折曲線２７３の中心線が交わる位置に直径１０ｍｍの穴２０５が開けられる。さらにウェブ２１４と隣り合うフランジ２０３は長方形の形状で、折曲線２６７の長さは０．５６ｍ、辺２６６と辺２６８の長さは共に３０ｍｍで、両端の辺２６６、辺２６８から互いに５０ｍｍ離れた位置で折曲線２７３と折曲線２６７の中心線が交わる位置に直径１０ｍｍの穴２０４、２０２が開けられる。さらにフランジ２０３と隣り合う補強用折曲部２８１は長方形の形状で、辺２７５の長さは０．５６ｍ、互いに向かい合う辺２７７と２７８の長さは共に７ｍｍである。なお欠込上辺２６５の長さは４０ｍｍ、また辺２７６、辺２７０、辺２６９、辺２６８、辺２７７は一直線上に成形すると共に、辺２７９、辺２６３、辺２６４も一直線上に成形される。 Further, in the second concrete floor fixing member 10 of FIG. 2, as shown in FIG. 9a, a rectangular thin steel plate having a thickness of 1.6 mm is formed into a flat plate shape according to the external dimensions, and one of the corners is formed. It shows a state in which the notch upper side 265 is cut by 37 mm and the notch right side 266 is cut by 40 mm. The reinforcing bent portion 280 has a rectangular shape, and the lengths of the side 274 and the folding curve 271 are both 0.6 m, and the lengths of the sides 276 and the side 279 are both 7 mm. Further, the flange 201 adjacent to the reinforcing bent portion 280 has a rectangular shape, the length of the folding curve 272 is 0.6 m, and the lengths of the side 270 and the side 263 are both 30 mm. Further, the web 214 adjacent to the flange 201 has a rectangular shape, the length of the folding curve 273 is 0.56 m, the lengths of the side 269 and the side 264 are both 30 mm, and the folding curve 272 is 20 mm away from the side 264. A hole 205 having a diameter of 10 mm is drilled at a position where the center lines of the folding curve 273 intersect. Further, the flange 203 adjacent to the web 214 has a rectangular shape, the length of the folding curve 267 is 0.56 m, the lengths of the side 266 and the side 268 are both 30 mm, and the sides 266 and the sides 268 at both ends are separated from each other by 50 mm. Holes 204 and 202 having a diameter of 10 mm are drilled at the positions where the fold curve 273 and the center line of the fold curve 267 intersect. Further, the reinforcing bent portion 281 adjacent to the flange 203 has a rectangular shape, the length of the side 275 is 0.56 m, and the lengths of the sides 277 and 278 facing each other are both 7 mm. The length of the notched upper side 265 is 40 mm, and the side 276, the side 270, the side 269, the side 268, and the side 277 are formed in a straight line, and the side 279, the side 263, and the side 264 are also formed in a straight line.

このように成形した第２のコンクリート床固定部材１０の補強用折曲部２８０、補強用折曲部２８１を折曲線２７１、折曲線２６７の位置で強度を高めるため互いに反対方向に１８０度折り曲げると共に、フランジ２０１、フランジ２０３を折曲線２７２、折曲線２７３の位置で互いに逆方向に直角に折り曲げることにより、図９ｂに示すように第２のコンクリート床固定部材１０はフランジ２０３がウェブ２１４に対してＬ形状に４０ｍｍ短く欠き込まれた形状で概ねＺ字形に形成される。 The reinforcing bent portion 280 and the reinforcing bent portion 281 of the second concrete floor fixing member 10 thus formed are bent 180 degrees in opposite directions in order to increase the strength at the positions of the folding curve 271 and the folding curve 267. By bending the flange 201 and the flange 203 at the positions of the folding curve 272 and the folding curve 273 at right angles in opposite directions to each other, the second concrete floor fixing member 10 has the flange 203 with respect to the web 214 as shown in FIG. 9b. It is formed in a roughly Z-shape with a shape that is notched 40 mm short in the L shape.

このように成形した第２のコンクリート床固定部材１０は図６、図８、図９、図１０、図１１で示すように、第２のコンクリート床固定部材１０のフランジ２０３と、足場用踏板置き台用脚部５７のフランジ９４が直角になるように、フランジ２０３の欠込右辺２６６をフランジ９４の端部９８に当接させると共に、第２のコンクリート床固定部材１０のウェブ２１４に開けた穴２０５と足場用踏板置き台用脚部５７のウェブ１０６に開けた穴１０２が同一穴状に形成されるように、第２のコンクリート床固定部材１０のウェブ２１４と足場用踏板置き台用脚部５７のウェブ１０６を、ウェブ２１４の穴２０５と、下端部固定用横梁９の折曲部２０６の穴２０７が同一穴状になるように当接させ、ボルト２５を穴２０７と穴２０５と穴１０２に貫通させナット３２で固定することにより、図１１で示すように、下端部固定用横梁９と第２の足場用踏板置き台用支柱５と第２のコンクリート床固定部材１０が一体となり足場用踏板置き台用脚部５７のフランジ９４と第２のコンクリート床固定部材１０が直角に交わるように構成される。なお、第１の足場用踏板置き台付支柱４と下端部固定用横梁９と第１のコンクリート床固定部材３３についても、同様に、図１０、１１で示すようにボルト１７とナット２１１で固定される。 As shown in FIGS. 6, 8, 9, 10, and 11, the second concrete floor fixing member 10 thus formed includes the flange 203 of the second concrete floor fixing member 10 and the footrest for scaffolding. A hole made in the web 214 of the second concrete floor fixing member 10 while abutting the notched right side 266 of the flange 203 against the end portion 98 of the flange 94 so that the flange 94 of the base leg portion 57 is at a right angle. The web 214 of the second concrete floor fixing member 10 and the foot for the scaffolding platform so that the holes 102 formed in the web 106 of the platform for scaffolding platform 57 and 205 are formed in the same hole shape. The web 106 of 57 is brought into contact with the hole 205 of the web 214 so that the hole 207 of the bent portion 206 of the cross beam 9 for fixing the lower end portion has the same hole shape, and the bolt 25 is brought into contact with the hole 207, the hole 205 and the hole 102. As shown in FIG. 11, the cross beam 9 for fixing the lower end portion, the support column 5 for the step board stand for the second scaffold, and the second concrete floor fixing member 10 are integrated and used for the scaffold. The flange 94 of the tread stand leg 57 and the second concrete floor fixing member 10 are configured to intersect at a right angle. Similarly, the first scaffolding support column 4 with a tread stand, the lower end fixing cross beam 9, and the first concrete floor fixing member 33 are also fixed with bolts 17 and nuts 211 as shown in FIGS. Will be done.

このように第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５に第１のコンクリート床固定部材３３と第２のコンクリート床固定部材１０をボルト１７、２５とナット３２、２１１で固定し、図５で示すように第１のコンクリート床固定部材３３と第２のコンクリート床固定部材１０を打込アンカー１６、打込アンカー２６で梁に固定することにより作業員４１が上下移動式外足場１の足場用踏板６に乗って作業を安全に行うことが可能となった。 In this way, the first concrete floor fixing member 33 and the second concrete floor fixing member 10 are attached to the columns 4 with the first scaffolding platform and the second columns 5 with the platform for scaffolding with bolts 17 and 25. Workers are fixed by the nuts 32 and 211, and the first concrete floor fixing member 33 and the second concrete floor fixing member 10 are fixed to the beam by the driving anchor 16 and the driving anchor 26 as shown in FIG. The 41 can safely perform the work on the scaffolding tread 6 of the vertically movable outer scaffold 1.

図３は、図２で説明した上下移動式外足場１の建物外側に足場シート４０を取り付けるため、上端部固定用横梁２に開けた穴３９にシート紐又はゴムバンドで足場シート４０の上端部を取り付けると共に、足場シート４０の下端部を下端部固定用横梁９に開けた穴３８にシート紐又はゴムバンドで取り付けることにより、図４で示す作業者４１が作業中に工具等を落下させた場合でも、工具等が地面に落下することなく足場シート４０に沿って建築中の建物内部に落ちるため作業の安全性が保たれると共に、さらに上下移動式外足場１と一体に足場シート４０を取り付けたことにより、上下移動式外足場１を移設する際も足場シート４０を取り外す必要がなくなり作業を効率化に進めることが可能となった。 In FIG. 3, in order to attach the scaffolding sheet 40 to the outside of the building of the vertically movable outer scaffolding 1 described with reference to FIG. And by attaching the lower end of the scaffolding sheet 40 to the hole 38 made in the cross beam 9 for fixing the lower end with a sheet string or a rubber band, the worker 41 shown in FIG. 4 dropped the tool or the like during the work. Even in this case, the tools and the like fall along the scaffolding sheet 40 into the inside of the building under construction without falling to the ground, so that work safety is maintained and the scaffolding sheet 40 is further integrated with the vertically movable outer scaffolding 1. By attaching the scaffolding sheet 40, it is not necessary to remove the scaffolding sheet 40 even when the vertically movable outer scaffolding 1 is relocated, and the work can be promoted more efficiently.

図４は、図３で説明した上下移動式外足場１の足場用踏板６に作業者４１が乗った状態を示す。 FIG. 4 shows a state in which the worker 41 is placed on the scaffolding tread 6 of the vertically movable outer scaffolding 1 described with reference to FIG.

図５は、図１から図４で説明した上下移動式外足場１を、柱４４、４７と梁４５、４６で構成した建築途中の鉄筋コンクリート建物の梁４６に固定した状態を示す。上下移動式外足場１の第１の足場用踏板置き台付支柱４と第２の足場用踏板置き台付支柱５の下端に取り付けた第１のコンクリート床固定部材３３と第２のコンクリート床固定部材１０に開口した穴に打込アンカー１６、２６を挿入して第１のコンクリート床固定部材３３と第２のコンクリート床固定部材１０を打込アンカー１６、２６で梁４６に固定することにより上下移動式外足場１は梁４６に固定される。このように上下移動式外足場１を軽量で簡単に組み立てることが出来るように構成したことにより、隣家の建物との間の隙間が狭いような場合でも、建築中の建物の外側に上下移動式外足場１を簡単に設置することが出来るようになり、建物の外側から安全に作業を行うことが可能となると共に、分解して移設することはもちろん、組み立てた状態でも上階に移動することが容易に出来るようになり、上下移動式外足場１の第１のコンクリート床固定部材１０と第２のコンクリート床固定部材３３を打込アンカー１６、２６で梁４６に固定することにより上下移動式外足場１の足場用踏板６に作業者４１が乗って建物の外側から作業を行うことが出来るようになると共に、上階で作業者４１が作業を行う際に、作業者４１の安全を守るため上端部固定用横梁２が手すりとしての役割を果たすことにより作業者４１の落下防止の役目を果たすことが可能となった。 FIG. 5 shows a state in which the vertically movable outer scaffolding 1 described with reference to FIGS. 1 to 4 is fixed to a beam 46 of a reinforced concrete building in the middle of construction composed of columns 44, 47 and beams 45, 46. The first concrete floor fixing member 33 and the second concrete floor fixing attached to the lower ends of the vertically movable outer scaffolding 1 for the first scaffolding platform with a platform 4 and the second platform for scaffolding with a platform 5 at the lower ends. The driving anchors 16 and 26 are inserted into the holes opened in the member 10, and the first concrete floor fixing member 33 and the second concrete floor fixing member 10 are fixed to the beam 46 by the driving anchors 16 and 26. The mobile outer scaffold 1 is fixed to the beam 46. By configuring the vertically movable outer scaffolding 1 so that it is lightweight and easy to assemble in this way, even if the gap between the building and the neighboring building is narrow, it can be moved up and down to the outside of the building under construction. The outer scaffolding 1 can be easily installed, and it is possible to work safely from the outside of the building. At the same time, it can be disassembled and relocated, and even when assembled, it can be moved upstairs. The vertical movement type is possible by fixing the first concrete floor fixing member 10 and the second concrete floor fixing member 33 of the vertically movable outer scaffold 1 to the beam 46 with the driving anchors 16 and 26. The worker 41 can get on the scaffolding tread 6 of the outer scaffold 1 and work from the outside of the building, and when the worker 41 works on the upper floor, the safety of the worker 41 is protected. Therefore, the cross beam 2 for fixing the upper end portion serves as a handrail, so that the worker 41 can play a role of preventing the worker 41 from falling.

以上、実施の形態に基づいて、本発明に係る隣地空きなし高層建物用の上下移動式外足場について詳細に説明してきたが、本発明は、以上の実施の形態に限定されるものではなく、発明の趣旨を逸脱しない範囲において各種の改変をなしても、本発明の技術的範囲に属するのはもちろんである。 Although the vertically movable outer scaffolding for a high-rise building with no adjacent land according to the present invention has been described in detail based on the above-described embodiment, the present invention is not limited to the above-described embodiment. It goes without saying that even if various modifications are made without departing from the spirit of the invention, they belong to the technical scope of the present invention.

本発明の実施の形態に係る、上下移動式外足場を正面図と右側面図で示す。The vertical movable outer scaffold according to the embodiment of the present invention is shown in front view and right side view. 同実施の形態に係る、上下移動式外足場を斜視図で示す。A vertical movable outer scaffold according to the same embodiment is shown in a perspective view. 同実施の形態に係る、図２で示した上下移動式外足場に足場シートを取り付けた状態を示す。A state in which the scaffolding sheet is attached to the vertically movable outer scaffolding shown in FIG. 2 according to the same embodiment is shown. 同実施の形態に係る、図３で示した上下移動式外足場の足場用踏板の上に作業者が乗った状態を示す。A state in which an operator is placed on a scaffolding tread of a vertically movable outer scaffold shown in FIG. 3 according to the same embodiment is shown. 同実施の形態に係る、上下移動式外足場を建物の床と梁に取り付けた状態を示す。The state in which the vertically movable outer scaffolding according to the same embodiment is attached to the floor and the beam of the building is shown. 同実施の形態に係る、図１、２、３、４、５で示した第２の足場用踏板置き台付支柱を形成する薄鋼板を平板状に形取りした状態と、折曲形成して溶接により接合した状態を斜視図で示す。The thin steel plate forming the second scaffolding tread stand support column shown in FIGS. 1, 2, 3, 4, and 5 according to the same embodiment is formed into a flat plate shape and bent. The state of being joined by welding is shown in a perspective view. 同実施の形態に係る、図１、２、３、４、５で示した第１の足場用踏板置き台付支柱を形成する薄鋼板を平板状に形取りした状態と、折曲形成して溶接により接合した状態を斜視図で示す。The thin steel plate forming the first scaffolding tread stand support column shown in FIGS. 1, 2, 3, 4, and 5 according to the same embodiment is formed into a flat plate shape and bent. The state of being joined by welding is shown in a perspective view. 同実施の形態に係る、図１、２、３、４、５で示した下端部固定用横梁を形成する薄鋼板を平板状に形取りした状態と、折曲形成して溶接により接合した状態を斜視図で示す。A state in which a thin steel plate forming a cross beam for fixing the lower end portion shown in FIGS. 1, 2, 3, 4, and 5 according to the same embodiment is shaped into a flat plate, and a state in which the thin steel plate is bent and joined by welding. Is shown in a perspective view. 同実施の形態に係る、図１、２、３、４、５で示した第２のコンクリート床固定部材を形成する薄鋼板を平板状に形取りした状態と、折曲形成した状態を斜視図で示す。A perspective view of a state in which the thin steel plate forming the second concrete floor fixing member shown in FIGS. Indicated by. 同実施の形態に係る、上下移動式外足場を分解した状態を斜視図で示す。A perspective view shows a state in which the vertically movable outer scaffolding according to the same embodiment is disassembled. 同実施の形態に係る、図１０で示した上下移動式外足場を組み立てた状態を示す。A state in which the vertically movable outer scaffold shown in FIG. 10 according to the same embodiment is assembled is shown. 同実施の形態に係る、図１、２、３、４で示した第２の斜め固定支柱８を形成する薄鋼板を平板状に形取りした状態と、折曲形成した状態を斜視図で示す。A perspective view shows a state in which the thin steel plate forming the second diagonal fixed column 8 shown in FIGS. 1, 2, 3, and 4 according to the same embodiment is shaped into a flat plate and a bent state. .. 同実施の形態に係る、図１、２、３、４、５で示した第２の斜め固定支柱を、第２の足場用踏板置き台付支柱と足場用踏板に固定する前の状態を斜視図で示す。A perspective view of the state before fixing the second diagonal fixed support column shown in FIGS. Shown in the figure. 同実施の形態に係る、図１３で示した第２の斜め固定支柱を、第２の足場用踏板置き台付支柱と足場用踏板に固定した状態を示す。A state in which the second diagonally fixed support column shown in FIG. 13 according to the same embodiment is fixed to the second support column with a scaffolding board stand and the scaffolding step board is shown.

１上下移動式外足場
２上端部固定用横梁
３中間部固定用横梁
４第１の足場用踏板置き台付支柱
５第２の足場用踏板置き台付支柱
６足場用踏板
７第１の斜め固定支柱
８第２の斜め固定支柱
９下端部固定用横梁
１０第２のコンクリート床固定部材
１１ボルト
１２ボルト
１３ボルト
１４ボルト
１５ボルト
１６打込アンカー
１７ボルト
１８ボルト
１９ボルト
２０ボルト
２１ボルト
２２ボルト
２３ボルト
２４ボルト
２５ボルト
２６打込アンカー
２７ナット
２８ナット
２９ナット
３０ナット
３１ナット
３２ナット
３３第１のコンクリート床固定部材
３８穴
３９穴
４０足場シート
４１作業者
４２床スラブ
４３床スラブ
４４柱
４５梁
４６梁
４７柱
５５足場支柱
５６足場用踏板置き台
５７足場用踏板置き台用脚部
５８端部
５９端部
６０端部
６１端部
６２端部
６３穴
６４辺
６５補強用折曲部
６６折曲線
６７折曲線
６８フランジ
６９穴
７０端部
７１端部
７２端部
７３端部
７４端部
７５フランジ
７６折曲線
７７折曲線
７８ウェブ
７９補強用折曲部
８０辺
８１Ａ辺
８２Ｂ辺
８３Ｃ辺
８４Ｄ辺
８５端部
８６端部
８７端部
８８端部
８９端部
９０穴
９１補強用折曲部
９２折曲線
９３辺
９４フランジ
９５折曲線
９６穴
９７端部
９８端部
９９端部
１００端部
１０１端部
１０２穴
１０３折曲線
１０４フランジ
１０５辺
１０６ウェブ
１０７折曲線
１０８補強用折曲部
１２０足場支柱
１２１足場用踏板置き台
１２２足場用踏板置き台用脚部
１２３端部
１２４端部
１２５端部
１２６端部
１２７端部
１２８穴
１２９補強用折曲部
１３０辺
１３１折曲線
１３２折曲線
１３３フランジ
１３４穴
１３５端部
１３６端部
１３７端部
１３８端部
１３９端部
１４０フランジ
１４１折曲線
１４２折曲線
１４３ウェブ
１４４辺
１４５補強用折曲部
１４６Ａ辺
１４７Ｂ辺
１４８Ｃ辺
１４９Ｄ辺
１５０端部
１５１端部
１５２端部
１５３端部
１５４端部
１５５穴
１５６補強用折曲部
１５７折曲線
１５８フランジ
１５９折曲線
１６０辺
１６１穴
１６２端部
１６３端部
１６４端部
１６５端部
１６６端部
１６７穴
１６８辺
１６９折曲線
１７０フランジ
１７１ウェブ
１７２折曲線
１７３補強用折曲部
１８２穴
１８３穴
１８４フランジ
１８５ウェブ
１８６穴
１８７フランジ
１８８穴
１８９ナット
１９０ウェブ
１９１フランジ
１９２穴
１９３フランジ
１９４穴
１９５穴
１９６フランジ
１９７穴
１９８ウェブ
１９９フランジ
２００穴
２０１フランジ
２０２穴
２０３フランジ
２０４穴
２０５穴
２０６左折曲部
２０７穴
２０８折曲部
２０９折曲部
２１０穴
２１１ナット
２１２ナット
２１３ナット
２１４ウェブ
２１５右折曲部
２１６ナット
２２１穴
２２２フランジ
２２３ウェブ
２２４フランジ
２２６穴
２２８穴
２２９ナット
２５０辺
２５１右側上辺
２５２突出右上辺
２５３突出右袖辺
２５４突出右下辺
２５５突出右折曲線
２５６辺
２５７突出左下辺
２５８突出左袖辺
２５９突出左上辺
２６０左側上辺
２６１折曲線
２６２突出左折曲線
２６３辺
２６４辺
２６５欠込上辺
２６６欠込右辺
２６７折曲線
２６８辺
２６９辺
２７０辺
２７１折曲線
２７２折曲線
２７３折曲線
２７４辺
２７５辺
２７６辺
２７７辺
２７８辺
２７９辺
２８０補強用折曲部
２８１補強用折曲部
３００辺
３０１辺
３０２補強用折曲部
３０３折曲線
３０４折曲線
３０５辺
３０６辺
３０７辺
３０８辺
３０９辺
３１０折曲線
３１１折曲線
３１２辺
３１３補強用折曲部
３１４辺
３１５辺
３１６辺
３１７辺1 Vertically movable outer scaffold 2 Flange for fixing the upper end 3 Flange for fixing the middle part 4 Strut with a tread board stand for the first scaffold 5 Strut with a tread board stand for the second scaffold 6 Tread board for the scaffold 7 First diagonal fixing Strut 8 Second diagonal fixing strut 9 Flange for fixing the lower end 10 Second concrete floor fixing member 11 Bolt 12 Bolt 13 Bolt 14 Bolt 15 Bolt 16 Driving anchor 17 Bolt 18 Bolt 19 Bolt 20 Bolt 21 Bolt 22 Bolt 23 Bolt 24 Bolts 25 Bolts 26 Drive-in anchors 27 Nuts 28 Nuts 29 Nuts 30 Nuts 31 Nuts 32 Nuts 33 First concrete floor fixing members 38 Holes 39 Holes 40 Scaffolding sheets 41 Workers 42 Floor slabs 43 Floor slabs 44 Pillars 45 Beams 46 Beams 47 Pillars 55 Scaffolding struts 56 Scaffolding footrests 57 Scaffolding footboards Legs 58 Ends 59 Ends 60 Ends 61 Ends 62 Ends 63 Holes 64 Sides 65 Reinforcing bends 66 Folded curves 67 Folds Curve 68 Flange 69 Hole 70 End 71 End 72 End 73 End 74 End 75 Flange 76 Fold Curve 77 Fold Curve 78 Web 79 Reinforcing Fold 80 Side 81 A Side 82 B Side 83 C Side 84 D Side 85 End 86 End 87 End 88 End 89 End 90 Hole 91 Reinforcing bend 92 Fold curve 93 Side 94 Flange 95 Fold curve 96 Hole 97 End 98 End 99 End 100 End 101 End 102 Hole 103 Folded Curve 104 Flange 105 Side 106 Web 107 Folded Curve 108 Reinforcing Folded Part 120 Scaffolding Strut 121 Scaffolding Step Board Stand 122 Scaffolding Step Board Stand Leg 123 End 124 End 125 End 126 End 127 End 128 Hole 129 Reinforcing Fold 130 Side 131 Fold Curve 132 Fold Curve 133 Flange 134 Hole 135 End 136 End 137 End 138 End 139 End 140 Flange 141 Fold Curve 142 Fold Curve 143 Web 144 Sides 145 Reinforcing bent part 146 A side 147 B side 148 C side 149 D side 150 End part 151 End part 152 End part 153 End part 154 End part 155 Hole 156 Reinforcing bent part 157 Folded curve 158 Flange 159 Folded curve 160 Side 161 Hole 162 End 163 End 164 End 165 End 166 End 167 Hole 168 Side 169 Fold Curve 170 Flange 171 Web 172 Fold Curve 173 Reinforcing bend 182 Hole 183 Hole 184 Flange 185 Web 186 Hole 187 Flange 188 Hole 189 Nut 190 Web 191 Flange 192 Hole 193 Flange 194 Hole 195 Hole 196 Flange 197 Hole 198 Web 199 Flange 200 Hole 201 Flange 202 Hole 203 Flange 204 Hole 205 Hole 206 Left Bend 207 Hole 208 Bend 209 Bend 210 Hole 211 Nut 212 Nut 213 Nut 214 Web 215 Right Bend 216 Nut 221 Hole 222 Flange 223 Web 224 Flange 226 Hole 228 Hole 229 Nut 250 Side 251 Right upper side 252 Protruding upper right side 253 Protruding right sleeve side 254 Protruding right lower side 255 Protruding right turn curve 256 Side 255 Protruding left lower side 258 Protruding left sleeve side 259 Protruding upper left side 260 Left upper side 261 Fold curve 262 Protruding left turn curve 263 Side 264 side 265 Notch upper side 266 Notch right side 267 Fold curve 268 Side 267 Side 270 Side 271 Fold curve 272 Fold curve 273 Fold curve 274 Side 275 Side 276 Side 277 Side 278 Side 279 Side 280 Reinforcing bent part 281 Reinforcing bent part 300 Side 301 Side 302 Reinforcing bent part 303 Folded curve 304 Folded curve 305 Side 306 Side 307 Side 308 Side 309 Side 310 Folded curve 311 Folded curve 312 Side 313 Reinforcing bent part 314 Side 315 Side 316 Side 317 side

Claims

建物の外側に設置し、建築工事を行うために用いる仮設足場において、
概ね逆台形状に成形した薄鋼板の両側を同一幅で互いに逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形すると共に、前記中央のウェブの上端と前記一方のフランジの上端に一辺がフランジ巾と同一で長方形をした薄鋼板の足場用踏板置き台を溶接により接合して足場用踏板置き台用脚部を形成し、さらに前記足場用踏板置き台用脚部の上端のウェブと他方のフランジの上端に長方形をした薄鋼板の両側を前記フランジと同一幅で概ねＺ字形に成形した足場支柱の端部を溶接で接合した一対の足場用踏板置き台付支柱と、
前記一対の足場用踏板置き台付支柱に溶接により接合した足場用踏板置き台に固定するため、長方形をした厚さ１．６ｍｍの薄鋼板の両側を同一幅で逆方向に折り曲げ中央のウェブと両側のフランジで概ねＺ字形に成形した足場用踏板と、
前記一対の足場用踏板置き台付支柱の上端部と概ね中間部と下端部に取り付けるため、薄鋼板で概ねＺ字形に成形した上端部固定用横梁と中間部固定用横梁と下端部固定用横梁と、
前記足場用踏板と足場用踏板置き台付支柱を固定するため、薄鋼板で概ねＺ字形に成形した２本の斜め固定支柱をハの字形に配置して足場用踏板と足場用踏板置き台付支柱に取り付けたことを特徴とする隣地空きなし高層建物用の上下移動式外足場。In temporary scaffolding installed on the outside of the building and used for building work
Both sides of a thin steel plate formed into a substantially inverted trapezoidal shape are bent in opposite directions with the same width, and the center web and the flanges on both sides are formed into a roughly Z-shape, and at the upper end of the center web and the upper end of one of the flanges. A thin steel plate scaffolding platform with the same side as the flange width is joined by welding to form a scaffolding platform leg, and a web at the upper end of the scaffolding platform leg. A pair of scaffolding stanchions with pedestal pedestals, in which both sides of a thin steel plate having a rectangular shape at the upper end of the other flange are welded together at the ends of the scaffolding stanchions that are formed into a Z-shape with the same width as the flange .
In order to fix to the pair of scaffolding tread stand columns joined by welding to the scaffolding tread stand, both sides of a rectangular thin steel plate with a thickness of 1.6 mm are bent in the opposite direction with the same width and the center flange . A scaffolding tread that is roughly Z-shaped with a flange and flanges on both sides,
A cross beam for fixing the upper end, a cross beam for fixing the middle part, and a cross beam for fixing the lower end, which are formed in a Z-shape with a thin steel plate in order to be attached to the upper end, the middle and the lower end of the pair of scaffolding support columns. When,
In order to fix the scaffolding tread and the scaffolding tread stand support, two diagonal fixing columns formed in a z-shape with thin steel plate are arranged in a V shape, and the scaffolding tread and the scaffolding tread stand are attached. Vertically movable outer scaffolding for high-rise buildings with no vacant land next to it, which is characterized by being attached to columns.