JP2590714Y2 - Stair-type temporary ladder safety net extension structure - Google Patents
Stair-type temporary ladder safety net extension structureInfo
- Publication number
- JP2590714Y2 JP2590714Y2 JP1993030157U JP3015793U JP2590714Y2 JP 2590714 Y2 JP2590714 Y2 JP 2590714Y2 JP 1993030157 U JP1993030157 U JP 1993030157U JP 3015793 U JP3015793 U JP 3015793U JP 2590714 Y2 JP2590714 Y2 JP 2590714Y2
- Authority
- JP
- Japan
- Prior art keywords
- safety net
- ladder
- safety
- nets
- temporary ladder
- 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 - Fee Related
Links
Landscapes
- Movable Scaffolding (AREA)
Description
【0001】[0001]
【産業上の利用分野】この考案は、階段式仮設はしごに
おいて作業者の墜落防止等のために設けられる安全ネッ
トの張設構造に関する。ここで、前記階段式仮設はしご
は、土木竪坑工事あるいはビル建築工事などの工事現場
において、作業者の昇降用として使用されるものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extension structure of a safety net provided on a stair-type temporary ladder for preventing a worker from falling down. Here, the stair-type temporary ladder is used for raising and lowering a worker at a construction site such as civil engineering shaft construction or building construction.
【0002】[0002]
【従来の技術】前記のような階段式仮設はしご1は、図
2に示すように、複数の足場板2を上下に隣接するもの
同士互いに所要長さのチェーン3等の可撓性連結部材で
連結してなり、上下に隣接する前記足場板2,2同士の
間にはしご4をセットしてこれを吊り下げて使用するも
のである(例えば、実開昭55−86900号、特公平
4−61946号公報等参照)。2. Description of the Related Art As shown in FIG. 2, a staircase type temporary ladder 1 is composed of a plurality of scaffolding plates 2 which are vertically adjacent to each other by a flexible connecting member such as a chain 3 having a required length. A ladder 4 is set between the scaffolds 2 and 2 which are connected to each other vertically, and the ladder 4 is suspended and used (for example, Japanese Utility Model Laid-Open No. 55-86900, Japanese Patent Publication No. No. 61946).
【0003】このような仮設はしご1においては、昇降
する作業者の墜落事故等を防止するために、前記仮設は
しご1の周囲全面に渡ってあらかじめ安全ネットが設け
られる。In such a temporary ladder 1, a safety net is provided in advance around the entire surface of the temporary ladder 1 in order to prevent a falling accident of a worker who goes up and down.
【0004】従来、前記安全ネットは、図2に示すよう
に、前記階段式仮設はしご1の周囲四面に沿ってそれぞ
れ上方から一連のネット20a,20b,20c,20
dをすだれ状に垂らし、これら各ネット20a〜20d
を前記各チェーン3及び前記各足場板2の周囲に針金や
紐等の適宜の止着手段8で止着することによって取り付
けられていた。そして、前記各ネット20a〜20dの
余分な裾部21a〜21dは最下段の足場板2の下方で
ロール状に巻き取られて保持されていた。Conventionally, as shown in FIG. 2, the safety net comprises a series of nets 20a, 20b, 20c, 20 from above each along four peripheral surfaces of the staircase-type temporary ladder 1.
d is drooped, and these nets 20a to 20d
Is attached to the periphery of each chain 3 and each scaffold plate 2 by means of appropriate fastening means 8 such as a wire or a string. The extra skirts 21a to 21d of the nets 20a to 20d were wound and held in a roll shape below the lowermost scaffold plate 2.
【0005】[0005]
【考案が解決しようとする課題】しかし、前記従来の安
全ネットの張り方では、作業者が或る段の足場板2上か
ら外側へ出ようとしても、それが不可能である欠点があ
った。However, the conventional method of setting up the safety net has a drawback that even if an operator attempts to go outside from a certain stage of the scaffold plate 2, it is impossible. .
【0006】すなわち、前記各ネット20a〜20dは
前記仮設はしご1の四面のそれぞれに上下全面に渡って
一連ずつ取り付けられていたため、たとえ、前記針金等
の止着手段8を外しても、前記ネット20a〜20dを
開くことができず、作業者が安全ネットで囲まれた足場
板2から横外方へ出ることはできなかった。That is, since each of the nets 20a to 20d is attached to each of four surfaces of the temporary ladder 1 over the entire upper and lower surfaces, even if the fastening means 8 such as the wire is removed, the nets 20a to 20d are removed. 20a to 20d could not be opened, and the worker could not move laterally outward from the scaffold plate 2 surrounded by the safety net.
【0007】この考案は、前記のような事情に鑑みてな
されたもので、前記安全ネットで囲まれた前記各足場板
とその横方向外方との間を作業者が自由に出入りできる
階段式仮設はしごの安全ネット張設構造を提供しようと
するものである。The present invention has been made in view of the above-mentioned circumstances, and a stair-type system in which an operator can freely enter and exit between each of the scaffolds surrounded by the safety net and a lateral outside thereof. It is intended to provide a safety net extension structure for a temporary ladder.
【0008】[0008]
【課題を解決するための手段】前記課題を解決するた
め、本考案は、複数の足場板を相互間に所要間隔をあけ
て連結部材で複数段に連結してなり、上下に隣接する前
記足場板同士の間にそれぞれはしごを設けた階段式仮設
はしごにおいて、前記各足場板によって区画形成された
各階の周囲をそれぞれ同大の二枚の安全ネットの各々の
縦側辺部同士を前記連結部材に沿って重ね合わせて包囲
するとともに各々の縦側辺部同士及び前記各足場板の外
周部において上下階の安全ネット同士を互いに重なり合
せてそれぞれ前記連結部材に取り外し可能に取り付けて
なる構成としたものである。According to the present invention, a plurality of scaffold plates are connected in a plurality of stages by connecting members at a required interval therebetween, and the scaffolds vertically adjacent to each other are provided. In a staircase-type temporary ladder provided with ladders between the boards, each of the two safety nets of the same size around the respective floors defined by the scaffolds .
Surround the vertical side parts by overlapping them along the connecting member
And each of the vertical sides and outside of each of the scaffolds
At the periphery, the safety nets on the upper and lower floors overlap each other
And detachably attached to the connecting members .
【0009】[0009]
【作用】本考案によれば、複数の足場板が相互間に所要
間隔を開けて連結部材で複数段に連結されることによっ
て階層が形成される。前記各足場板は上下に隣接するも
の同士がはしごで連結され、作業者は、前記足場板及び
前記はしごを伝って自由に昇降することができる。According to the present invention, a floor is formed by connecting a plurality of scaffolding plates in a plurality of stages with connecting members at a required interval from each other. Each of the scaffolds adjacent vertically is connected by a ladder, and the worker can freely move up and down along the scaffold and the ladder.
【0010】そして、前記各階はそれぞれ同大の二枚の
安全ネットで周囲を包囲され、前記各足場板又は前記は
しごから作業者が誤って墜落する等の危険が防止され
る。[0010] Then, the floor is surrounded around in two safety net university respectively, the risk of such a worker from the scaffolding plate or the ladder accidentally crash is prevented.
【0011】ここで、作業者が或る足場板上から安全ネ
ットの外部へ出たい場合には、当該階を包囲している前
記安全ネットを出入りに必要なだけ部分的に取り外せば
よい。本考案では、前記安全ネットが前記各階について
それぞれ同大の二枚とされ、各々の縦側辺部同士を前記
連結部材に沿って重ね合わせて設けているため、各階ご
とに前記安全ネットの合わせ目がそれぞれ足場板の内側
及び外側に形成される。よって、前記足場板の内側及び
外側、さらにそれぞれ足場板の長辺部及び短辺部から外
部との出入りが可能である。Here, when the operator wants to go out of the safety net from a certain scaffold, the safety net surrounding the floor may be partially removed as necessary for access. In the present invention, the safety net is two pieces of the same size for each of the floors, and
Since the provided superposed along the connecting member, the joint of the safety net in each floor the inner respectively scaffolding plate
And formed on the outside . Therefore, the inside of the scaffold plate and
It is possible to enter and exit from the outside, and further from the long side and short side of the scaffold, respectively .
【0012】また、前記足場板を追加又は除去すること
による階数の増減変更に応じて前記安全ネットを増設し
又は取り外しできる。Further, the safety net can be added or removed in accordance with an increase or decrease in the number of floors by adding or removing the scaffold plate.
【0013】[0013]
【実施例】以下、この考案の一実施例を図面に基づいて
説明する。An embodiment of the present invention will be described below with reference to the drawings.
【0014】図1は本考案の安全ネット張設構造の一例
を実施した階段式仮設はしご1を示す部分概略斜視図で
ある。FIG. 1 is a partial schematic perspective view showing a staircase type temporary ladder 1 embodying an example of the safety net extending structure of the present invention.
【0015】図示した仮設はしご1は、前記従来技術の
項において述べたものと同一構成のものであり、同一形
状の多数の足場板2が上下に隣接するもの同士の間を可
撓性連結部材としてのチェーン3で適宜の間隔を開けて
連結されてなり、掘削形成された竪坑や、高層建築物等
に沿って吊り下げて使用するものである。その結果、水
平な前記各足場板2によって上下方向に階層が区画形成
される。The illustrated temporary ladder 1 has the same construction as that described in the above-mentioned prior art section, and a plurality of scaffold plates 2 of the same shape are connected by a flexible connecting member between vertically adjacent ones. And are connected at appropriate intervals with a chain 3 as a chain, and are used by being suspended along a pit, a high-rise building, or the like formed by excavation. As a result, the horizontal scaffolding plates 2 form a vertical division in the vertical direction.
【0016】前記チェーン3は上下に隣接する足場板2
の対応するほぼ四隅同士を互いに強固に連結している。The chain 3 is composed of a vertically adjacent scaffold 2
Corresponding four corners are firmly connected to each other.
【0017】前記各足場板2のうち、上下に隣接するも
の同士の間には、それぞれはしご4が設けられている。
そして、これらのはしご4によって、前記各階の間を作
業者が上下に自由に移動できるようになっている。前記
はしご4は、図面実施例では、前記各足場板2の一部を
上下に隣接するもの同士互い違いに切欠き、該各切欠部
から下段の足場板2へと各階互い違いに斜めに架設した
ものを示しているが、図示例に限定されないことは言う
までもない。A ladder 4 is provided between the vertically adjacent ones of the scaffolding plates 2.
These ladders 4 allow the worker to freely move up and down between the floors. In the embodiment shown in the drawings, the ladder 4 is configured such that a part of each of the scaffolding plates 2 is alternately notched between those vertically adjacent to each other, and each of the scaffolding plates 2 is obliquely installed alternately on each floor from each of the notched portions to the lower scaffolding plate 2. However, it goes without saying that the present invention is not limited to the illustrated example.
【0018】本考案では、前記各階ごとにそれぞれ同大
の二枚の安全ネット5,6が割り当てられる。[0018] In the present invention, it respectively the same large of two of the safety net 5 and 6 are assigned to each of the floor.
【0019】前記各階にそれぞれ割り当てられた前記二
枚の安全ネット5,6は、各階の周囲を包囲するように
各階の外方から前記チエーン3及び上下の足場板2の外
周部に対して取り付けられている。The two safety nets 5 and 6 assigned to the respective floors are attached to the outer periphery of the chain 3 and the upper and lower scaffolds 2 from outside the respective floors so as to surround the periphery of the respective floors. Have been.
【0020】すなわち、前記二枚の安全ネット5,6
は、前記足場板2の互いに対向したコーナー部分7に従
ってそれぞれほぼ直角に折り曲げられるとともに、各安
全ネット5,6の上辺5a,6a及び下辺5b,6b
を、各階の上下を画する上下の足場板2の互いに隣接し
た長辺2aと短辺2bとに沿わせて各階において互いに
対角線上に対向するように配置される。そして、前記二
枚の安全ネット5,6の各々の縦側辺部同士(5cと6
c同士)を前記チェーン3に沿って互いに重ね合わせ、
該縦側辺部5c,6cを前記チェーン3に対して針金や
紐等の適宜の止着手段8を用いて取り外し可能に止着す
る。さらに、前記二枚の安全ネット5,6は、前記各足
場板2の外周部においては、上下階のネット5,6同士
が互いに重なり合うようになっている。That is, the two safety nets 5, 6
Are bent substantially at right angles in accordance with the corner portions 7 of the scaffold plate 2 facing each other, and the upper sides 5a, 6a and the lower sides 5b, 6b of the safety nets 5, 6 are formed.
Are arranged along the long sides 2a and the short sides 2b adjacent to each other on the upper and lower scaffolds 2 defining the upper and lower sides of each floor so as to face each other diagonally on each floor. The vertical side portions of the two safety nets 5 and 6 (5c and 6
c) are overlapped with each other along the chain 3,
The vertical side portions 5c and 6c are detachably fastened to the chain 3 by using an appropriate fastening means 8 such as a wire or a string. Further, the two safety nets 5 and 6 are such that the nets 5 and 6 on the upper and lower floors overlap each other on the outer peripheral portion of each scaffold plate 2.
【0021】なお、図示したように、前記各足場板2の
外周部に前記安全ネット5,6の上辺5a,6a及び下
辺5b,6bを止着するための適宜の取付金具9をあら
かじめ設けておけば、前記安全ネット5,6の取り付け
が容易である。As shown in the figure, on the outer peripheral portion of each of the scaffolding plates 2, a suitable mounting metal 9 for fastening the upper sides 5a, 6a and the lower sides 5b, 6b of the safety nets 5, 6 is provided in advance. If it is, the attachment of the safety nets 5, 6 is easy.
【0022】前記のように構成される本実施例に係る安
全ネット張設構造は、各階ごとに別々に安全ネット5,
6を張設する方式であるので、地下への土砂の掘削作業
の進行等に伴って前記足場板2を追加し、階段式仮設は
しご1を下方へ延長した場合でも、増設階における安全
ネット5,6の張設が容易である。The safety net extending structure according to the present embodiment configured as described above has a safety net 5 for each floor separately.
6, the scaffold 2 is added along with the progress of excavation work of the earth and sand into the basement, and even if the staircase type temporary ladder 1 is extended downward, the safety net 5 on the additional floor is provided. , 6 can be easily installed.
【0023】逆に、前記足場板2を下方のものから順次
取り外していく場合にも、階層の減少に合わせて各階ご
とに安全ネット5,6を取り外していくことができ、そ
の作業が容易である。Conversely, when the scaffold 2 is sequentially removed from the lower one, the safety nets 5 and 6 can be removed for each floor in accordance with the decrease in the number of floors. is there.
【0024】また、作業者が或る階から安全ネット5,
6の外部へ出る場合には、前記安全ネット5,6の前記
チエーン3に沿った合わせ目部分及びその周辺の前記止
着手段8を必要なだけ取り外し、前記安全ネット5又は
6を部分的に開いてそこから安全ネット5,6の外部へ
出ることができる。そして、本考案では、各階ごとに同
大の二枚の安全ネット5,6を、その各々の縦側辺部同
士(5cと6c同士)を前記チエーン3に沿って重ね合
わせて設けたので、各階ごとに安全ネット5,6同士の
合わせ目が足場板2の内側及び外側の二か所に存在す
る。したがって、前記足場板の内側及び外側、さらには
それぞれの長辺部及び短辺部から外部との出入りが可能
である。 Also, when a worker starts from a certain floor, the safety net 5,
In the case of going out of the safety net 6, the seam portions of the safety nets 5 and 6 along the chain 3 and the fastening means 8 around the seam are removed as necessary, and the safety net 5 or 6 is partially removed. It can be opened and out of the safety nets 5,6. And in the present invention, the same
Large two safety nets 5 , 6
Layer (5c and 6c) along the chain 3
Since there is provided Te Align, seam safety net 5,6 together in each floor is present in two positions of the inner and outer anchorage plate 2. Therefore, the inside and outside of the scaffold, and even
Access to the outside is possible from the long side and short side of each
It is.
【0025】[0025]
【考案の効果】本考案によれば、各階ごとに安全ネット
を設けたので、足場板が増設され又は足場板が取り外さ
れた階の安全ネットの取り付け又は取り外し作業が容易
である。According to the present invention, since a safety net is provided for each floor, it is easy to attach or remove the safety net on the floor where the scaffold is added or the scaffold is removed.
【0026】また、安全ネットで囲まれた足場板とその
外部との間を作業者が自由に出入りできるので、使用上
の利便性が高い効果がある。Further, since the worker can freely enter and exit between the scaffold plate surrounded by the safety net and the outside, there is an effect that the convenience in use is high.
【図1】本考案の一実施例に係る安全ネット張設構造を
示す斜視図である。FIG. 1 is a perspective view illustrating a safety net extending structure according to an embodiment of the present invention;
【図2】従来例を示す部分概略斜視図である。FIG. 2 is a partial schematic perspective view showing a conventional example.
1 階段式仮設はしご 2 足場板 3 連結部材 4 はしご 5,6 安全ネット DESCRIPTION OF SYMBOLS 1 Stair type temporary ladder 2 Scaffolding board 3 Connecting member 4 Ladder 5, 6 Safety net
Claims (1)
て連結部材で複数段に連結してなり、上下に隣接する前
記足場板同士の間にそれぞれはしごを設けた階段式仮設
はしごにおいて、前記各足場板によって区画形成された
各階の周囲をそれぞれ同大の二枚の安全ネットの各々の
縦側辺部同士を前記連結部材に沿って重ね合わせて包囲
するとともに各々の縦側辺部同士及び前記各足場板の外
周部において上下階の安全ネット同士を互いに重なり合
せてそれぞれ前記連結部材に取り外し可能に取り付けて
なることを特徴とする階段式仮設はしごの安全ネット張
設構造。1. A staircase-type temporary ladder comprising a plurality of scaffolding plates connected in a plurality of stages with connecting members at a required interval therebetween, and a ladder provided between the vertically adjacent scaffolding plates. , Around each floor defined by the scaffolds , each of two safety nets of the same size.
Surround the vertical side parts by overlapping them along the connecting member
And each of the vertical sides and outside of each of the scaffolds
At the periphery, the safety nets on the upper and lower floors overlap each other
Safety net stretched structure of stepped temporary ladder was characterized by comprising removably attached to the connecting member, respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993030157U JP2590714Y2 (en) | 1993-05-13 | 1993-05-13 | Stair-type temporary ladder safety net extension structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1993030157U JP2590714Y2 (en) | 1993-05-13 | 1993-05-13 | Stair-type temporary ladder safety net extension structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0682281U JPH0682281U (en) | 1994-11-25 |
JP2590714Y2 true JP2590714Y2 (en) | 1999-02-17 |
Family
ID=12295927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1993030157U Expired - Fee Related JP2590714Y2 (en) | 1993-05-13 | 1993-05-13 | Stair-type temporary ladder safety net extension structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2590714Y2 (en) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6082045U (en) * | 1983-11-10 | 1985-06-06 | 石川島播磨重工業株式会社 | hanging scaffolding equipment |
JPH0635058Y2 (en) * | 1988-03-24 | 1994-09-14 | 精三 林口 | Protective film mounting device |
-
1993
- 1993-05-13 JP JP1993030157U patent/JP2590714Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0682281U (en) | 1994-11-25 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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LAPS | Cancellation because of no payment of annual fees |