JP4348158B2 - Suspended scaffolding - Google Patents

Suspended scaffolding Download PDF

Info

Publication number
JP4348158B2
JP4348158B2 JP2003352388A JP2003352388A JP4348158B2 JP 4348158 B2 JP4348158 B2 JP 4348158B2 JP 2003352388 A JP2003352388 A JP 2003352388A JP 2003352388 A JP2003352388 A JP 2003352388A JP 4348158 B2 JP4348158 B2 JP 4348158B2
Authority
JP
Japan
Prior art keywords
suspension
rod
scaffold
scaffolding
hanging
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP2003352388A
Other languages
Japanese (ja)
Other versions
JP2005113626A (en
Inventor
敏彦 原
省二 島崎
浩行 藤田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kajima Corp
Original Assignee
Kajima Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kajima Corp filed Critical Kajima Corp
Priority to JP2003352388A priority Critical patent/JP4348158B2/en
Publication of JP2005113626A publication Critical patent/JP2005113626A/en
Application granted granted Critical
Publication of JP4348158B2 publication Critical patent/JP4348158B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Bridges Or Land Bridges (AREA)
  • Movable Scaffolding (AREA)

Description

本発明は、都市部における鉄道又は道路等の高架橋において、その高架橋のリニューアル工事を効率的且つ低コストで行なうための仮設足場に関するものである。   The present invention relates to a temporary scaffold for efficiently and low-cost renewal work on a viaduct such as a railway or road in an urban area.

近年、永久構造物として扱われてきた鉄筋コンクリート造の鉄道又は道路等の高架橋は、コンクリートの中性化等を原因として該コンクリートの剥離や落下等の劣化損傷が生じている。そのため、上記損傷後或いは当該損傷が生じる前にリニューアル工事が必要となっている。上記鉄道や道路等の高架橋における工事の内、跳ね出し部分（以下、地覆部という。）をリニューアルするには以下に記載するような仮設足場を採用している。   In recent years, viaducts such as reinforced concrete railways or roads that have been treated as permanent structures have suffered deterioration damage such as peeling and dropping of the concrete due to neutralization of the concrete. Therefore, renewal work is required after the damage or before the damage occurs. Temporary scaffolds as described below are adopted to renew the protruding part (hereinafter referred to as the ground cover part) in the construction work on the viaduct such as the railway and road.

枠組足場といわれるもので、既製品のビティー枠を地上部分から種み重ねて足場を形成する仮設足場である。足場として多く採用されている。   It is said to be a framework scaffold, and is a temporary scaffold that forms a scaffold by layering ready-made bitter frames from the ground. It is often used as a scaffold.

また、地上部分が比較的水平で、短期間に作業箇所が移動する場合は、ローリング足場が使用される。タワー状の足場の下部に車輪が付いている足場である。   In addition, a rolling scaffold is used when the ground portion is relatively horizontal and the work location moves in a short period of time. It is a scaffold with wheels at the bottom of the tower-like scaffold.

更に、地上部分に比較的スペースが存在する場合には、高所作業用のゴンドラが搭載された足場が使用される。車輌足場となっているので移動させることが可能である。
特開昭６１−１０２９７２号公報 Furthermore, when there is a comparatively large space on the ground part, a scaffold equipped with a gondola for working at high places is used. Since it is a vehicle scaffolding, it can be moved.
JP 61-102972 A

上記枠組足場、ローリング足場及び車輌移動足場等は、地上部分に空所がある場合には採用できるが、地覆部の先端部に住宅や店舗が近接している場合或いは高架橋下が店舗、駐車場又は駐輪場等として利用されている場合には、上記仮設足場は設置或いは移動に不可能なことが生じる。   The above-mentioned framework scaffolding, rolling scaffold, vehicle moving scaffold, etc. can be used when there is a space on the ground part, but if there is a house or store close to the tip of the ground cover or under the viaduct, When it is used as a car park or a bicycle parking lot, the temporary scaffold may not be installed or moved.

また、高架橋下において足場が組めたり、移動するスペースが存在したとしても、車輌や人の通行量が多い場合には、上記仮設足場を占有する時間に大幅な制限を受けることが多かった。   Further, even if there is a space where a scaffold can be assembled or moved under the viaduct, when the amount of traffic of vehicles and people is large, the time for occupying the temporary scaffold is often greatly limited.

本発明は、上記欠点を解決するため、高架橋上に既存のものとして形成されている防音壁等を利用する仮設足場で、該防音壁等より吊り下げる吊り足場構造を採用したものである。
また、上記構造を可能とするため、仮設足場を構成する部材をコンパクトにし、運搬し易くするとともに、仮設部材のサイズを統一して高架橋上等での組み立て作業を容易としたものである。 In order to solve the above-described drawbacks, the present invention employs a suspended scaffold structure that is suspended from a soundproof wall or the like in a temporary scaffold that uses a soundproof wall or the like that is formed as an existing material on a viaduct.
Further, in order to make the above structure possible, the members constituting the temporary scaffold are made compact and easy to carry, and the sizes of the temporary members are unified to facilitate the assembly work on the viaduct.

具体的構成として、吊り杆の上端部に形成したＬ字型形状の係止部を既存の防音壁の上部に係止することにより支持する吊り足場において、複数の吊り杆、該係止部の垂下短管の内側に既存の防音壁の厚さに対応できるように間隔調整可能に構成した板状の間隔調整材、該吊り杆の略中間部に隣接する左右の吊り杆側に突出するように設けたリング状の親綱通し金具、該吊り杆の下方部に固定した足場受杆、該足場受杆の端部より立ち上がった手摺縦杆、該足場受杆の他方の端部より立ち上がった手摺縦短杆、該足場受杆間に敷設した足場板及び隣接する左右の吊り杆の上方部側面に各々係止部材を設け、チェーンの一端を該係止部材に係止し、該チェーンの他端を該既存の防音壁の上端部に固定した落下防止金具に係止した落下防止手段とよりなる吊り足場を特徴とする。 As a specific configuration, hanging in rod hanging scaffold support by engaging the engaging portion of the formed L-shape at the top of an existing soundproof wall on the upper end of, multiple hanging rods, the locking portion A plate-like interval adjusting material configured to adjust the interval so as to correspond to the thickness of the existing soundproof wall on the inner side of the hanging short pipe, so as to protrude to the left and right hanging rod sides adjacent to the substantially middle portion of the hanging rod A ring-shaped master rope fitting provided on the base, a scaffolding bracket fixed to the lower part of the suspension rod, a handrail vertical rod rising from the end of the scaffolding rod, and rising from the other end of the scaffolding rod A locking member is provided on each side of the upper part of the handrail vertical short rod, the scaffolding plate laid between the scaffold receiving plates and the adjacent left and right suspension rods, and one end of the chain is locked to the locking member, A fall prevention means which is locked to a fall prevention metal fitting whose other end is fixed to the upper end of the existing soundproof wall; And wherein the hanging scaffold Li Cheng.

また、上記吊り杆を伸縮自在なテレスコープ構造とした吊り足場を特徴とする。   Further, the present invention is characterized by a suspension scaffold in which the suspension rod has a telescopic structure that can be expanded and contracted.

更に、上記足場受杆を伸縮自在なテレスコープ構造とした吊り足場を特徴とする。   Further, the present invention is characterized in that the scaffold receiving base has a telescopic structure that can be expanded and contracted.

また、上記吊り杆に既存の防音壁と吊り杆との間隔を調整するための伸縮自在の駒材を取着した吊り足場を特徴とする。 Further, the present invention is characterized in that the suspension scaffold is provided with a telescopic piece material for adjusting the distance between the existing soundproof wall and the suspension fence .

更に、上記親綱通し金具はリング状とされ、そのリング内に親綱を挿通した吊り足場を特徴とする。 Furthermore, the parent rope threading member has a ring shape, and is characterized by a suspension scaffold in which the parent rope is inserted .

また、上記親綱に安全帯を取着した吊り足場を特徴とする。 Moreover, the suspension scaffold which attached the safety belt to the master rope is characterized.

更に、上記吊り杆のＬ字型形状の係止部上部に吊り足場を昇降させるための係止手段となるリング状金具を取着した吊り足場を特徴とする。 Furthermore, the suspension scaffold is characterized in that a ring-shaped metal fitting serving as a latching means for raising and lowering the suspension scaffold is attached to the upper part of the L-shaped latching portion of the suspension rod .

本発明は、高架橋のリニューアル箇所が住宅や店舗に近接したり、施工が困難な地覆部等の施工場所においても足場を構築することができ、通常と同様のリニューアル工事が可能となった。   According to the present invention, it is possible to construct a scaffold even at a construction site such as a ground cover part where a renewal part of a viaduct is close to a house or a store or construction is difficult, and a renewal work similar to a normal one can be performed.

また、車輌や人の通行量の多い場所においても、仮設足場を組み立てるための部材の荷上げや撤去作業のみの最小限の道路占有のみで施工が可能となった。
従って、リニューアル工事の施工時の安全性の確保が大幅に向上した。 In addition, even in places where there is a large amount of traffic of vehicles and people, construction has become possible with a minimum of road occupancy only for loading and removal of members for assembling temporary scaffolding.
Therefore, ensuring safety at the time of renewal construction has been greatly improved.

更に、施工区域の場所制限や道路専有のための時間制限を受けることなくリニューアル工事が可能となるため、工期の短縮及びコストの低減を達成することが可能となった。   Furthermore, the renewal work can be performed without any restrictions on the location of the construction area or the time limit for exclusive use of the road, so that the construction period can be shortened and the cost can be reduced.

図１（ａ）は、吊り足場の縦断面図を示している。吊り足場１は、吊り杆２、該吊り杆２の下方部に固定した足場受杆３、該足場受杆３の端部より立ち上がった手摺縦杆４、該足場受杆３の他方の端部より立ち上がった手摺縦短杆５、該手摺縦杆４相互間に横設した適数本の手摺杆６、該吊り杆２の上端部にＬ字型形状に形成した係止部７、及び該足場受杆３間に敷設した足場板８とより構成している。   Fig.1 (a) has shown the longitudinal cross-sectional view of the suspension scaffold. The suspension scaffold 1 includes a suspension rod 2, a scaffold receiving rod 3 fixed to a lower portion of the suspension rod 2, a handrail vertical rod 4 rising from an end portion of the scaffold receiving rod 3, and the other end portion of the scaffold receiving rod 3. A handrail vertical rod 5 that has risen more, an appropriate number of handrail rods 6 disposed horizontally between the handrail vertical rods 4, a locking portion 7 formed in an L-shape at the upper end of the suspension rod 2, and the It consists of a scaffolding plate 8 laid between the scaffolding supports 3.

図２（ａ）、（ｂ）は、主として上記吊り杆２及び足場受杆３部分の詳細図を示している。該吊り杆２は、作業用足場板８の位置が調整できるように伸縮自在な構造となるテレスコープ構造を採用している。これにより地覆部の厚さ等に応じて作業床の高さを適宜調整することが可能となる。   FIGS. 2A and 2B mainly show detailed views of the suspension rod 2 and the scaffold receiving rod 3 portion. The suspension rod 2 employs a telescope structure that can be expanded and contracted so that the position of the work scaffold plate 8 can be adjusted. As a result, the height of the work floor can be adjusted as appropriate in accordance with the thickness of the ground cover.

該吊り杆２の下方部には上記した足場受杆３が配設されるが、該足場受杆３は、吊り杆２にアングル材９を固定し、該アングル材９に載置するようにして固定する。該足場受杆３は、伸縮自在なテレスコープ構造を採用している。設置空間及び作業内容等により自由に調整することができる。該足場受杆３は、吊り杆２に対し前後方向に延設されるが、該足場受杆３の前端部１０と吊り杆２の下端部１１間を斜材１２により連結する。同様に足場受杆３の後端部１３と吊り杆２の下端部１１間を斜材１４により連結する。   The above-described scaffolding rod 3 is disposed below the suspension rod 2, and the scaffolding rod 3 is configured such that the angle member 9 is fixed to the suspension rod 2 and placed on the angle member 9. And fix. The scaffold receiver 3 employs a telescopic structure that can be expanded and contracted. It can be adjusted freely according to the installation space and work contents. The scaffold support 3 extends in the front-rear direction with respect to the suspension rod 2, and the diagonal end 12 connects the front end portion 10 of the scaffold reception rod 3 and the lower end portion 11 of the suspension rod 2. Similarly, a diagonal member 14 connects the rear end portion 13 of the scaffold receiving rod 3 and the lower end portion 11 of the suspension rod 2.

該足場受杆３の前端部１０にはクランプ等の連結手段を用いて短鋼管１５を立設取着する。同じく、後端部１３にも短鋼管１６を立設取着する。該短鋼管１５，１６には各々上記手摺縦杆４及び手摺縦短杆５を嵌入固定する。   A short steel pipe 15 is erected and attached to the front end portion 10 of the scaffold receiving rod 3 by using a connecting means such as a clamp. Similarly, a short steel pipe 16 is installed upright on the rear end portion 13. The handrail vertical gutter 4 and the handrail vertical gutter 5 are fitted and fixed to the short steel pipes 15 and 16, respectively.

吊り杆２の略中間部には、高架橋の既存防音壁Ａと該吊り杆２との間隔を調整するための伸縮自在の駒材１７を取り付けるためのアングル材１８を取着する。該駒材１７により既存防音壁Ａと吊り杆２を含めた当該吊り足場１とが接触しないように調整することができる。また、その近接位置に親網通し金具１９を取着する。   An angle member 18 for attaching a telescopic piece 17 for adjusting the distance between the existing soundproof wall A of the viaduct and the suspension rod 2 is attached to a substantially middle portion of the suspension rod 2. The piece material 17 can be adjusted so that the existing soundproof wall A and the suspension scaffold 1 including the suspension rod 2 do not contact each other. Further, the parent netting metal fitting 19 is attached to the adjacent position.

吊り杆２の上端部には、上記したように係止部７を構成する。該係止部７は水平方向に水平短鋼管２０を固定し、その先端部には下方へ延設する垂下短鋼管２１を固定する。該垂下短鋼管２１の内側となる吊り杆２側には間隔調整材２２を構成する。
上記吊り杆２、水平短鋼管２０及び垂下短鋼管２１により空間Ｓを形成することになるが、該空間Ｓは、既存の防音壁Ａの上端部Ｂに係止するための空間Ｓとなる。その際、該防音壁Ａの厚さによっては吊り足場１にガタツキが生じることになるので、該間隔調整材２２の厚さを適宜に調整することにより当該ガタツキを防止することができる。これにより、防音壁Ａの様々な厚さのものに対応することが可能となる。 As described above, the locking portion 7 is configured at the upper end portion of the hanging rod 2. The locking portion 7 fixes a horizontal short steel pipe 20 in the horizontal direction, and a drooping short steel pipe 21 extending downward is fixed to a tip portion thereof. An interval adjusting member 22 is formed on the hanging rod 2 side which is the inside of the hanging short steel pipe 21.
A space S is formed by the suspension rod 2, the horizontal short steel pipe 20, and the suspended short steel pipe 21, and the space S becomes a space S for locking to the upper end B of the existing soundproof wall A. At that time, depending on the thickness of the soundproof wall A, the suspension scaffold 1 may be rattled. Therefore, the rattling can be prevented by appropriately adjusting the thickness of the gap adjusting member 22. Thereby, it becomes possible to respond to various thicknesses of the soundproof wall A.

図１（ｂ）は、吊り足場１を正面から見た図で、左右の吊り杆２、２の上方部側面に各々係止部材２３、２３を設け、チェーン２４を該係止部材２３、２３に係止し、既存の防音壁Ａの上端部Ｂに固定した落下防止金具２５に、該チェーン２４を係止する構成としている。上記落下防止金具２５を設けることにより、高架橋の防音壁Ａを形成するＰＣ版等の上端部Ｂに吊り下げ保持した吊り足場１の安全性を一層向上させることが可能となる。   FIG. 1 (b) is a view of the suspension scaffold 1 as viewed from the front. Locking members 23, 23 are provided on the upper side surfaces of the left and right suspension rods 2, 2, respectively, and the chain 24 is connected to the locking members 23, 23. And the chain 24 is locked to the fall prevention metal fitting 25 fixed to the upper end B of the existing soundproof wall A. By providing the fall-preventing metal fitting 25, it is possible to further improve the safety of the suspension scaffold 1 suspended and held on the upper end B of a PC plate or the like that forms the viaduct soundproof wall A.

図１（ｃ）は、上記吊り足場１を防音壁Ａに施工した状態の概略側面図を示している。   FIG. 1C shows a schematic side view of the suspension scaffold 1 constructed on the soundproof wall A. FIG.

吊り杆２の略中間部に構成した該親網通し金具１９は、リング状とされているので、該リング内に親網２６を挿通させることができる。図４（ｂ）に示すように、該親網２６に安全帯２７を取着することにより、施工時における作業者の安全性の向上を図ることができる。   Since the parent net threading metal fitting 19 formed in the substantially middle part of the hanging rod 2 is formed in a ring shape, the parent net 26 can be inserted into the ring. As shown in FIG. 4B, by attaching a safety belt 27 to the parent net 26, it is possible to improve the safety of the worker during construction.

また、吊り杆２の上端部となる係止部７の短鋼管２０の上部にリング状金具２８を取着する。図３（ａ）に示すように、既存の防音壁Ａの鉄骨部分となる位置の上端部Ｂに吊り足場１を吊るための専用吊り金具２９を固定し、該専用吊り金具２９のウインチ３０に、チェーン３１を介して、該リング状金具２８に係止することにより、吊り足場を昇降させることが可能となる。
該リング状金具２８は、図４（ｂ）に示すように、親綱の挿通孔ともなる。 Further, the ring-shaped metal fitting 28 is attached to the upper portion of the short steel pipe 20 of the locking portion 7 which is the upper end portion of the hanging rod 2. As shown in FIG. 3 (a), a dedicated suspension metal fitting 29 for suspending the suspension scaffold 1 is fixed to the upper end B of the existing soundproof wall A at the position of the steel frame, and the winch 30 of the dedicated suspension hardware 29 is fixed to the winch 30. The suspension scaffold can be moved up and down by engaging the ring-shaped metal fitting 28 via the chain 31.
As shown in FIG. 4B, the ring-shaped metal fitting 28 also serves as an insertion hole for the master rope.

上記構成よりなる吊り足場１を横方向に所定間隔を有して配置し、該吊り足場１を構成する足場受杆３間相互に架け渡すようにして足場板８を敷設する。   The suspension scaffold 1 having the above-described configuration is arranged with a predetermined interval in the lateral direction, and the scaffolding plate 8 is laid so as to be bridged between the scaffold receivers 3 constituting the suspension scaffold 1.

上記吊り足場１の設置手順を図３ないし図５に基づいて説明する。
図３に示すように、ＰＣ板等で形成した防音壁Ａ相互を連結するＨ形鋼Ｃの鉄骨の上端部位置に専用吊り金具２９を固定する。該専用吊り金具２９はその先端部がフック状に形成され、ウインチ３０が構成されている。
予め高架橋上や他の位置で組み立てられた吊り杆２、足場受杆３等の骨組状の吊り足場１を、リング状金具２８及びチェーン３１を介して上記ウインチ３０により昇降させながら防音壁Ａの上端部Ｂに係止部７を引っ掛けて固定する。防音壁Ａの上端部Ｂに引っ掛けて固定した数個の吊り足場１を、ピッチ割りした位置にスライドさせて配置する。 The installation procedure of the suspension scaffold 1 will be described with reference to FIGS.
As shown in FIG. 3, a dedicated hanging metal fitting 29 is fixed to the position of the upper end portion of the steel frame of H-shaped steel C that connects the soundproof walls A formed by PC plates or the like. The dedicated suspension fitting 29 has a tip portion formed in a hook shape to constitute a winch 30.
The soundproof wall A of the soundproof wall A is lifted up and down by the winch 30 through the ring-shaped metal fitting 28 and the chain 31 and the frame-like suspension scaffold 1 assembled in advance on the viaduct or at another position. The locking portion 7 is hooked on the upper end B and fixed. Several suspension scaffolds 1 that are hooked and fixed on the upper end B of the soundproof wall A are slid and arranged at positions divided by the pitch.

防音壁Ａの上端部Ｂの吊り足場１、１間の略中間位置に落下防止金具２５を固定し、吊り杆２の係止部材２３と該落下防止金具２５とをチェーン２４を介して連結することにより、吊り足場１の係止部７が外れる等の何等かの不祥事が生じた場合においても、上記構成により、吊り杆２等の落下を防止することができる。   A fall prevention metal fitting 25 is fixed at a substantially intermediate position between the suspension scaffolds 1 and 1 of the upper end B of the soundproof wall A, and the locking member 23 of the suspension rod 2 and the fall prevention metal fitting 25 are connected via a chain 24. Thus, even when any scandal such as the disengagement of the locking portion 7 of the suspension scaffold 1 occurs, it is possible to prevent the suspension rod 2 or the like from falling due to the above configuration.

上記吊り杆２の所定位置への配置が終了後、該吊り杆２を吊り上げて足場板８を足場受杆３上に持ち込む。
作業員は、図４（ａ）に示すように、防音壁Ａに設置した昇降階段Ｄを利用して高架橋等の軌道内から該足場板８上に降りる。作業員は、図４（ｂ）に示すように吊り杆２に固定した親網通し金具１９及びリング状金具２８に親網２６を挿通し、且つ安全帯２７を取り付け安全を確保しながら足場板８上に乗り、足場受杆３上に持ち込まれた足場板８を隣接する足場受杆３相互に跨るようにして敷設し、該足場板８を結束する。同様に隣接する他の足場受杆３に足場板８を敷設し、延長していく。 After the suspension rod 2 is placed at a predetermined position, the suspension rod 2 is lifted and the scaffold plate 8 is brought onto the scaffold receiving rod 3.
As shown in FIG. 4A, the worker descends onto the scaffold board 8 from within a track such as a viaduct using a lift staircase D installed on the soundproof wall A. As shown in FIG. 4 (b), the operator inserts the parent net 26 into the main net threading metal fitting 19 and the ring-shaped metal fitting 28 fixed to the suspension rod 2, and attaches a safety belt 27 to ensure the safety. 8, the scaffold board 8 brought on the scaffolding bar 3 is laid so as to straddle the adjacent scaffolding bars 3, and the scaffold board 8 is bound. Similarly, the scaffolding plate 8 is laid and extended on the other adjacent scaffolding receivers 3.

図５（ａ）は、吊り足場１の足場受杆３上に足場板８を敷設した状態を示し、図５（ｂ）は、該足場受杆３の前・後の端部１０、１３の短鋼管１５，１６に、手摺縦杆４及び手摺縦短杆５を固定した状態を示している。
また、該手摺縦杆４には横方向へ延設する手摺杆６を数本平行状に固定する。図５（ｂ）のものは２本固定している。
該手摺縦杆４及び手摺縦短杆５の立設する内側下端部の足場板８端部には幅木３２を固定する。更に、該手摺縦杆４、手摺縦短杆５、手摺杆６、足場板８及び幅木３２の内側表面側はシート３３により被覆する。 FIG. 5A shows a state in which the scaffolding plate 8 is laid on the scaffolding bar 3 of the suspension scaffold 1, and FIG. 5B shows the front and rear ends 10, 13 of the scaffolding bar 3. The state in which the handrail vertical gutter 4 and the handrail vertical gutter 5 are fixed to the short steel pipes 15 and 16 is shown.
Further, several handrail rods 6 extending in the lateral direction are fixed to the handrail longitudinal rod 4 in parallel. Two in FIG. 5B are fixed.
A skirting board 32 is fixed to the end portion of the scaffolding plate 8 at the lower end on the inner side where the handrail vertical rod 4 and the handrail vertical short rod 5 stand. Further, the inner surface side of the handrail vertical gutter 4, the handrail vertical gutter 5, the handrail gutter 6, the scaffold board 8 and the baseboard 32 is covered with a sheet 33.

（ａ）は本発明の吊り足場の縦断面図、（ｂ）は本発明の吊り足場の正面図、（ｃ）は施工場所を含めた本発明の吊り足場の概略側面図である。(A) is a longitudinal cross-sectional view of the suspended scaffold of the present invention, (b) is a front view of the suspended scaffold of the present invention, and (c) is a schematic side view of the suspended scaffold of the present invention including the construction site. （ａ）は本発明の吊り足場の側面図、（ｂ）は本発明の吊り足場の正面図である。(A) is a side view of the suspension scaffold of this invention, (b) is a front view of the suspension scaffold of this invention. （ａ）は本発明の吊り足場を設置する専用吊り金具を防音壁に固定した状態を示す正面図、（ｂ）は本発明の吊り足場を設置する専用吊り金具を防音壁上端部に固定した状態を示す側面図、（ｃ）は本発明の吊り足場を防音壁に固定する状態を示す側面図である。(A) is the front view which shows the state which fixed the exclusive suspension metal fitting which installs the suspension scaffold of this invention to a soundproof wall, (b) fixed the exclusive suspension metal fitting which installs the suspension scaffold of this invention to the soundproof wall upper end part The side view which shows a state, (c) is a side view which shows the state which fixes the suspension scaffold of this invention to a soundproof wall. （ａ）は作業員が軌道内より本発明の吊り足場へ降りる状態を示す側面図、（ｂ）は作業員が本発明の吊り足場における足場板上に降りた状態を示す正面図である。(A) is a side view which shows the state which an operator descends to the suspension scaffold of this invention from the inside of a track | orbit, (b) is a front view which shows the state which the operator descended on the scaffold board in the suspension scaffold of this invention. （ａ）は本発明の吊り足場に足場板を据え付けた側面図、（ｂ）は本発明の吊り足場に設けた手摺の内側に幅木・シートを取り付けた側断面図である。(A) is the side view which installed the scaffold board in the suspension scaffold of this invention, (b) is the sectional side view which attached the baseboard and the sheet | seat inside the handrail provided in the suspension scaffold of this invention.

符号の説明Explanation of symbols

１． 吊り足場
２． 吊り杆
３． 足場受杆
４． 手摺縦杆
５． 手摺縦短杆
６． 手摺杆
７． 係止部
８． 足場板
９． アングル材
１０． 前端部
１１． 下端部
１２． 斜材
１３． 後端部
１４． 斜材
１５． 短鋼管
１６． 短鋼管
１７． 駒材
１８． アングル材
１９． 親網通し金具
２０． 水平短鋼管
２１． 垂下短鋼管
２２． 間隔調整材
２３． 係止部材
２４． チェーン
２５． 落下防止金具
２６． 親網
２７． 安全帯
２８． リング状金具
２９． 専用吊り金具
３０． ウインチ
３１． チェーン
３２． 幅木
３３． シート
Ａ． 防音壁
Ｂ． 上端部
Ｃ． Ｈ形鋼
Ｄ． 昇降階段
Ｓ． 空間 1. Suspended scaffold Hanging rod 3. Scaffolding 4. 4. Handrail downpipe Handrail vertical short ６6. 6. Handrail bowl Locking part 8. Scaffolding board 9. Angle material10. Front end 11. Lower end 12. Diagonal material 13. Rear end 14. Diagonal material 15. Short steel pipe 16. Short steel pipe 17. Piece material 18. Angle material 19. Master net fitting 20. Horizontal short steel pipe 21. Drooping short steel pipe 22. Interval adjusting material 23. Locking member 24. Chain 25. Fall prevention metal fitting 26. Parent network 27. Safety belt 28. Ring-shaped bracket 29. Special hanging bracket 30. Winch 31. Chain 32. Skirting board 33. Sheet A. Noise barrier B. Upper end C.I. H-section steel Elevating staircase space

Claims (7)

吊り杆の上端部に形成したＬ字型形状の係止部を既存の防音壁の上部に係止することにより支持する吊り足場において、複数の吊り杆、該係止部の垂下短管の内側に既存の防音壁の厚さに対応できるように間隔調整可能に構成した板状の間隔調整材、該吊り杆の略中間部に隣接する左右の吊り杆側に突出するように設けたリング状の親綱通し金具、該吊り杆の下方部に固定した足場受杆、該足場受杆の端部より立ち上がった手摺縦杆、該足場受杆の他方の端部より立ち上がった手摺縦短杆、該足場受杆間に敷設した足場板及び隣接する左右の吊り杆の上方部側面に各々係止部材を設け、チェーンの一端を該係止部材に係止し、該チェーンの他端を該既存の防音壁の上端部に固定した落下防止金具に係止した落下防止手段とよりなることを特徴とする吊り足場。 In a suspension scaffold that supports an L-shaped locking portion formed on the upper end portion of a hanging rod by locking the upper portion of an existing soundproof wall, a plurality of hanging rods, the inner side of the hanging short tube of the locking portion A plate-like spacing adjustment material that can be adjusted to accommodate the thickness of the existing soundproof wall, and a ring shape provided so as to project to the left and right suspension rods adjacent to the substantially middle portion of the suspension rod A parent metal threading bracket, a scaffolding bracket fixed to the lower part of the suspension rod, a handrail vertical rod standing up from the end of the scaffolding rod, a handrail vertical rod standing up from the other end of the scaffolding rod, A locking member is provided on each side of the upper part of the scaffolding plate laid between the scaffolding brackets and the adjacent left and right suspension rods, one end of the chain is locked to the locking member, and the other end of the chain is connected to the existing And fall prevention means locked to a fall prevention bracket fixed to the upper end of the soundproof wall of The hanging scaffold. 吊り杆を伸縮自在なテレスコープ構造としたことを特徴とする請求項１に記載の吊り足場。   The suspension scaffold according to claim 1, wherein the suspension rod has a telescopic structure that can be expanded and contracted. 足場受杆を伸縮自在なテレスコープ構造としたことを特徴とする請求項１又は２に記載の吊り足場。   The suspension scaffold according to claim 1 or 2, wherein the scaffold receiving member has a telescopic structure that can be expanded and contracted. 吊り杆に既存の防音壁と吊り杆との間隔を調整するための伸縮自在の駒材を取着したことを特徴とする請求項１乃至３のいずれかに記載の吊り足場。 The suspension scaffold according to any one of claims 1 to 3 , wherein a telescopic piece for adjusting a distance between the existing soundproof wall and the suspension rod is attached to the suspension rod. 親綱通し金具はリング状とされ、そのリング内に親綱を挿通したことを特徴とする請求項１乃至４のいずれかに記載の吊り足場。 The suspension scaffold according to any one of claims 1 to 4, wherein the parent rope threading piece is formed in a ring shape, and the parent rope is inserted into the ring . 親綱に安全帯を取着したことを特徴とする請求項５に記載の吊り足場。 The suspension scaffold according to claim 5 , wherein a safety belt is attached to the master rope. 吊り杆のＬ字型形状の係止部上部に吊り足場を昇降させるための係止手段となるリング状金具を取着したことを特徴とする請求項１乃至６のいずれかに記載の吊り足場。 The suspension scaffold according to any one of claims 1 to 6, wherein a ring-shaped metal fitting serving as a locking means for raising and lowering the suspension scaffold is attached to an upper portion of the L-shaped locking portion of the hanging rod. .
JP2003352388A 2003-10-10 2003-10-10 Suspended scaffolding Expired - Lifetime JP4348158B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003352388A JP4348158B2 (en) 2003-10-10 2003-10-10 Suspended scaffolding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003352388A JP4348158B2 (en) 2003-10-10 2003-10-10 Suspended scaffolding

Publications (2)

Publication Number Publication Date
JP2005113626A JP2005113626A (en) 2005-04-28
JP4348158B2 true JP4348158B2 (en) 2009-10-21

Family

ID=34543346

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003352388A Expired - Lifetime JP4348158B2 (en) 2003-10-10 2003-10-10 Suspended scaffolding

Country Status (1)

Country Link
JP (1) JP4348158B2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100808291B1 (en) 2007-02-08 2008-03-03 김진곤 A safety device for pierces
JP5469524B2 (en) * 2010-04-23 2014-04-16 株式会社技術開発研究所 Installation method and moving method of scaffold device
JP5654710B1 (en) * 2014-07-17 2015-01-14 株式会社新成工業 Parent rope support
CN105731313A (en) * 2016-04-15 2016-07-06 中国五冶集团有限公司 Movable high-altitude construction basket
CN107201725A (en) * 2017-06-28 2017-09-26 杭州伟业建设集团有限公司 A kind of steel box-girder decoration hanging scaffold and its construction method
CN110004831B (en) * 2019-04-04 2024-03-12 中交一公局厦门工程有限公司 Reinforcing steel bar installation auxiliary tool and using method thereof

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59327Y2 (en) * 1981-04-08 1984-01-07 東日本鉄工株式会社 Suspended scaffolding for bridge piers
JPH05179616A (en) * 1991-02-25 1993-07-20 Mitsui Miike Mach Co Ltd Bridge inspection vehicle
JPH0721166B2 (en) * 1991-08-15 1995-03-08 建設省九州地方建設局長 Bridge scaffold repair scaffold structure and bridge scaffold repair scaffolding structure
JP3084009B2 (en) * 1997-12-22 2000-09-04 積水樹脂株式会社 How to attach panels to the back of a girder of an elevated structure
JP4067649B2 (en) * 1998-07-16 2008-03-26 日綜産業株式会社 Parent rope support structure
JP3075475U (en) * 2000-08-08 2001-02-23 冨美通信興業株式会社 Scaffold for laying bridge pipelines
JP3865578B2 (en) * 2000-10-23 2007-01-10 鹿島建設株式会社 Moving scaffold for bridge
JP2002356813A (en) * 2001-05-30 2002-12-13 Miyoshi Koji Kk Movable scaffolding device and construction method thereof
JP4663929B2 (en) * 2001-09-11 2011-04-06 住ベシート防水株式会社 Simple suspension scaffold device
JP3950800B2 (en) * 2003-01-31 2007-08-01 京阪電気鉄道株式会社 Suspension scaffold

Also Published As

Publication number Publication date
JP2005113626A (en) 2005-04-28

Similar Documents

Publication Publication Date Title
JP4574705B2 (en) Suspended scaffolding
JP2010065378A (en) Hanging scaffold and method for erecting the same
KR100889022B1 (en) Bridge constructing method
KR100777937B1 (en) Construcion safety working cage with scaffold
CN206128603U (en) Curtain mounting structure that leads a wandering life cornices
JP6021604B2 (en) Temporary scaffolding and its assembly method
JP4348158B2 (en) Suspended scaffolding
KR101428742B1 (en) A Sidewalk Enlargement Installation
KR102029231B1 (en) Tile-shaped roof structure for soundproof tunnels
JP2018178570A (en) Upper floor expansion method
JP3950800B2 (en) Suspension scaffold
CN113152658B (en) Large-span corridor with comprehensive curtain wall at bottom and construction method
JP3225933U (en) Railing-mounted scaffolding and its scaffolding support
EP1206611B1 (en) Scaffolding
CN211229470U (en) Multi-point suspension scaffold
JP5807883B1 (en) Suspended scaffolding
JP2580734Y2 (en) Mobile hanging scaffolding equipment
CN110965808A (en) Construction method of externally hung stair and packway of fabricated building
CN217480770U (en) Portable operation platform of construction is chosen outward to floor
NZ336959A (en) Scaffolding
CN214738726U (en) Steel construction vestibule with electromechanical installation gallows
CN217204219U (en) Roof of pitched roof hangs basic platform
WO2009056883A1 (en) Improvements in and relating to construction
JP5689273B2 (en) Temporary scaffolding and building construction method
KR102684503B1 (en) A block ramp

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060706

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20080724

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20080805

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081003

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081118

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20081212

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20090714

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20090717

R150 Certificate of patent or registration of utility model

Ref document number: 4348158

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120724

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120724

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150724

Year of fee payment: 6

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term