JPS6278354A - Method and apparatus for extending suspension scaffold - Google Patents
Method and apparatus for extending suspension scaffoldInfo
- Publication number
- JPS6278354A JPS6278354A JP21427585A JP21427585A JPS6278354A JP S6278354 A JPS6278354 A JP S6278354A JP 21427585 A JP21427585 A JP 21427585A JP 21427585 A JP21427585 A JP 21427585A JP S6278354 A JPS6278354 A JP S6278354A
- Authority
- JP
- Japan
- Prior art keywords
- scaffolding
- flexible band
- scaffolding board
- board
- boards
- 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.)
- Granted
Links
Landscapes
- Movable Scaffolding (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は地下鉄工事、下水道工事等の土木工事において
便利な吊り足場に関し、特に掘削に合わせて吊り足場を
順次下方に延長する方法及びその装置に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a suspended scaffold that is convenient for civil engineering works such as subway construction and sewerage construction, and in particular to a method and apparatus for sequentially extending a suspended scaffold downward in accordance with excavation. Regarding.
本発明は、上記延長作業が極めて容易であり。According to the present invention, the above-mentioned extension work is extremely easy.
したがって、経済的であるとともに安全であることを特
徴とするものである。Therefore, it is characterized by being economical and safe.
また１本発明は逆の利用方法により１作業完了後の足場
の取外°し作業の容易化も図ることができるものである
。Furthermore, the present invention can also be used in the opposite manner to facilitate the removal of the scaffolding after completing one task.
地下鉄工事、下水道工事等においては土砂の掘削に合わ
せて作業現場が深くなり、該作業現場への作業員の出入
りのための装置が必要となる。BACKGROUND ART In subway construction, sewerage construction, etc., the work site becomes deeper due to the excavation of earth and sand, and a device is required to allow workers to enter and exit the work site.
従来、上記作業員の出入りのためにははしご等が使用さ
れるが下方への延長が面倒であった。Conventionally, ladders and the like have been used for the access of workers, but extending them downward has been troublesome.
また１本発明のごとき吊り足場も使用されるが、これも
下方への延長に手数を要するものであった。Hanging scaffolds such as the one according to the present invention are also used, but these also require time and effort to extend downward.
すなわち、上記吊り足場の下方への延長作業は連結する
足場板をクレーン等で吊り下げて地下へ降ろし、さらに
最下段の足場板に連結等するものであるが１足場板が重
量を有するため。In other words, the work of extending the suspended scaffolding downward involves suspending the connecting scaffolding boards using a crane or the like, lowering them underground, and then connecting them to the lowest scaffolding board, since each scaffolding board is heavy.
作業に手数を要し、危険を伴うものであった。The work was time-consuming and dangerous.
また、上記クレーン等による吊下げ作業のスペースがな
い場合があった。In addition, there were cases where there was no space for the above-mentioned crane or the like to perform the lifting work.
本発明は上記欠点を除去するもので、延長作業の容易化
を図り、経済的且つ安全な延長作業を可能とするもので
あり、さらに吊下げ作業に特別のスペースを必要としな
いことを特徴とするものである。The present invention eliminates the above-mentioned drawbacks, facilitates the extension work, enables economical and safe extension work, and is further characterized in that no special space is required for the hanging work. It is something to do.
さらに本発明は作業完了後の足場の取外し作業の容易化
も図ることができるものである。Furthermore, the present invention can also facilitate the removal of the scaffolding after the work is completed.
Ｃ問題点を解決するための手段〕 本発明は上記問題点を解決するためのもので。Measures to solve problem C] The present invention is intended to solve the above problems.
その方法の発明は可撓性帯部材により所要間隔をあけて
適数段に設けられた足場板を、上記可撓性帯部材と別に
設けられ隣設された上段あるいは下段足場板に係合自在
とした短い可撓性帯部材で積重ね状態に支持し、最上段
の足場板を吊下げ支持するとともに１足場板の対向する
辺に設けられ上下の足場板を連係する昇降具により下段
の足場板を仮支持して上記短い可撓性帯部材の下段の足
場板との係合を解除し、昇降具により下段足場板を下降
させて延長することを特徴とするものであり、装置の発
明は可撓性帯部材により所要間隔をあけて適数段に設け
られた足場板、該足場板の略四隅部に設けられそれぞれ
上下対向位置に引掛は部と該引掛は部に係合する短い可
撓性帯部材を有する金具１足場板の対向する辺のそれぞ
れ両側及び略中央部に設けられたフック、上下の足場板
のフック間を連係し１足場板の昇降を行う昇降具からな
ることを特徴とするものである。The invention of the method is such that the scaffold boards provided in an appropriate number of stages at required intervals can be freely engaged with the upper or lower scaffold boards provided separately from the flexible band members and placed adjacent to each other. The top scaffolding board is supported in a stacked manner with short flexible strip members, and the top scaffolding board is suspended and supported, and the lower scaffolding board is lifted up and down by a lifting device installed on the opposite side of one scaffolding board and linking the upper and lower scaffolding boards. The device is characterized in that the short flexible band member is disengaged from the lower scaffolding plate by temporarily supporting the short flexible band member, and the lower scaffolding plate is lowered and extended by a lifting device. Scaffolding boards are provided in an appropriate number of stages at required intervals by flexible band members, and hooks are provided at approximately four corners of the scaffolding boards, and at vertically opposing positions, and short movable parts that engage with the hooks are provided at approximately four corners of the scaffolding board. A metal fitting having a flexible band member 1 consists of hooks provided on both sides and approximately the center of the opposing sides of the scaffolding board, and a lifting device that connects the hooks of the upper and lower scaffolding boards to raise and lower the 1st scaffolding board. This is a characteristic feature.
本発明は可撓性帯部材、具体的にはチェーンにより所要
間隔をあげて適数段の足場板が設けられる他、それらを
積重ね状態に連結する短い可撓性帯部材、具体的には短
いチェーンが設けられ、当初適数の足場板が短いチェー
ンにより積重ね状態に吊下げ支持され、延長の必要があ
るときには上下の足場板間を連係する昇降具により下段
の足場板を仮支持して上記短いチェーンの下段の足場板
との係合を解除し、昇降具により下゛段足場板を下降さ
せて延長するものである。The present invention provides a flexible band member, specifically a chain, in which an appropriate number of scaffold boards are provided at required intervals, and a short flexible band member, specifically a short A chain is installed, and initially an appropriate number of scaffolding boards are suspended and supported in a stacked manner by short chains, and when extension is necessary, the lower scaffolding board is temporarily supported by a lifting device that connects the upper and lower scaffolding boards to the above. The short chain is disengaged from the lower stage scaffolding board, and the lower stage scaffolding board is lowered and extended using a lifting device.
そして、その操作の繰返しにより順次延長が可能である
ものであり、逆の操作を行えば１作業完了後の足場の取
外しを一括して容易に行うことができるものである。By repeating this operation, it is possible to extend the length one by one, and by performing the reverse operation, it is possible to easily remove the scaffolding all at once after completing one task.
本発明の装置の一実施例を図面について説明する。 An embodiment of the apparatus of the present invention will be described with reference to the drawings.
（１）はそれぞれ足場板であり、それぞれ踊り湯部材（
ｌα）とその一部を切欠いた状態に設けたはしご部材（
ｌｈ’）で構成され、１−次作業員が昇降できるよう構
成されている。(1) are respectively scaffolding boards, and each is a dancing bath member (
lα) and a ladder member (
lh'), and is configured to allow primary workers to ascend and descend.
なお、上記作業員の昇降構造は上記のはしご構造に特定
されることがない。Note that the elevating structure for the worker is not limited to the ladder structure.
上記足場板はそれぞれ四隅部を連結する可撓性帯部材、
具体的にはチェーン（２）により所要間隔をあけて適数
段に設けられる。Each of the above-mentioned scaffolding boards includes a flexible band member connecting the four corners,
Specifically, the chains (2) are provided in an appropriate number of stages at required intervals.
すなわち、最終的な地下工事現場までの深ネに合わせて
予め適数段に構成ネれる。That is, an appropriate number of stages can be configured in advance depending on the depth to the final underground construction site.
つぎに、上記足場板（１）の略四隅部にはそれぞれ上下
対向位置に引掛は部（３）と、該引掛は部（３）に係合
する短い可樟性帯部材、具体的には短いチェーン（４）
を有する金具（５）が設けられる。Next, approximately four corners of the scaffold board (1) are provided with hook portions (3) at vertically opposing positions, and the hooks are short flexible band members that engage with the portions (3). short chain (4)
A metal fitting (5) having a diameter is provided.
図面実施例の場合、引掛は部（３）が上方に構成され、
短いチェーン（４）が下方に設けられているが、逆でも
よいものである。In the case of the drawing embodiment, the hook is configured with part (3) facing upward;
Although a short chain (4) is provided at the bottom, it could also be the other way around.
なお１図面実施例の場合、前記チェーン（２）の取付け
に金具（５）が利用されている。In the case of the embodiment shown in one drawing, a metal fitting (5) is used to attach the chain (2).
つぎに１足場板［１）の対向する辺のそれぞれ両側及び
略中央部にフック（６） （７）及び（８１が設けられ
る。Next, hooks (6), (7), and (81) are provided on both sides of the opposing sides of one scaffolding board [1] and approximately in the center, respectively.
図面実施例の場合、上記フック（６１（７１及び（８）
はいずれも鉤状に構成され、上記金具（５）が設けられ
た辺と別の対向する辺に構成され１両側フック１６）
（７）が下向きに、略中央部のフック（８）が上向きに
構成されている。In the case of the drawing embodiment, the above hook (61 (71 and (8)
Both are hook-shaped, and have two hooks (16) on both sides, each on a side opposite to the side on which the metal fitting (5) is provided.
(7) is configured to face downward, and the hook (8) in the approximately central portion is configured to face upward.
もつとも、フック１６） （７）及び（８）はリング状
に構成してもよい。その場合には後に述べる昇降具（９
）及び吊ロープ任０に設けられる係止具（１１）ｎｚ及
θ（１３） （１４）が鉤状に構成される。However, the hooks 16) (7) and (8) may also be configured in a ring shape. In that case, the lifting device (9) described later
) and the locking tools (11) nz and θ (13) (14) provided on the hanging rope are configured in the shape of a hook.
つぎに、上下の足場板（１）のフック（６） （７）及
び（８）間を連係し１足場板（１１の昇降を行う上記昇
降具（９）及びその昇降方法について述べる。Next, the above-mentioned elevating tool (9) that connects the hooks (6), (7), and (8) of the upper and lower scaffolding boards (1) to raise and lower one scaffolding board (11), and the method for raising and lowering it will be described.
まず、昇降具（９）は具体的にはチェーンブロックが使
用され、上方に吊チェーン１１つが設けられ。First, a chain block is specifically used as the lifting tool (9), and 11 hanging chains are provided above.
下方に巻上げチェーン（１６１が垂下させられる。そし
て、下段のμ場板（１）の仮支持に際しては別に両端に
係止具（ｔａｕを有する吊ロープａｌ１１１が用意され
、その係止具ｆ＋ａ）１４を足場板（１）のフック１６
） （７）に係止させ、吊ロープ（ＩＱ＋を巻とげチェ
ーンａｅの下端の係止具Ｕで吊下げ支持して昇降具（９
）で昇降させるよう構成ネれている。 一
つキニ昇降方法について述べると、最終的な地下工事現
場までの深さに必要な数の足場板ｍが準備される。A hoisting chain (161) is suspended below.In order to temporarily support the lower μ-field plate (1), a hanging rope al111 having a locking device (tau) at both ends is separately prepared, and the locking device f+a) 14 Hook 16 on the scaffolding board (1)
) (7), suspend and support the hanging rope (IQ+ with the locking tool U at the lower end of the winding chain ae), and then
) is configured to be raised and lowered. One way to explain how to raise and lower a scaffold is to prepare as many scaffolding boards m as required for the depth to the final underground construction site.
それらは所要間隔をあけて可撓性帯部材、すナワチ、チ
ェーンｒ２）により予め接続ネれる。They are connected in advance by flexible band members, seams, and chains (r2) at required intervals.
本発明では当初は上記チェーン１２１は使用されず、短
い可撓性帯部材、すなわち、チェーン＋４＞が隣設され
た足場板（１）の金具（５）の引掛は部（３）に係止さ
れ、積載ね状態となっている。In the present invention, the chain 121 is not initially used, and the hook of the metal fitting (5) of the scaffolding board (1) adjacent to the short flexible band member, that is, the chain +4> is locked to the part (3). It is in a state where it is not loaded.
そして、最上段の足場板ｒｌ）が掘削現場に設けられた
支保工等ａｎに吊下げ支持される。Then, the uppermost scaffolding board (rl) is suspended and supported by a support or the like provided at the excavation site.
つぎに、掘削等により作業現場が深くな、す。Next, the work site becomes deeper due to excavation, etc.
延長を必要とする場合は昇降具（９）の吊チェーン［１
５１の上端の係止具ａυが上段の足場板（１）ノのフッ
ク（８）に係止させられて吊下げ支持され１巻上げチェ
ーンａ６１の下端の係止具ａ２１に吊ロープａＯが懸架
され、該吊ロープα０の両端の係止具（１３（１４）が
下段の足場板（１）のフック（６） （７） Ｋ係止さ
せられる。If an extension is required, use the lifting chain [1] of the lifting device (9).
The locking device aυ at the upper end of 51 is locked to the hook (8) of the upper scaffolding board (1) and is suspended, and the hanging rope aO is suspended from the locking device a21 at the lower end of the first hoisting chain a61. , the locking tools (13 (14)) at both ends of the hanging rope α0 are locked to the hooks (6) (7) K of the lower scaffolding board (1).
なお、牙２図、十３図実施例においてはすぐ下段の足場
板（１）は延長された状態にあり、その下段の足場板〔
１）を延長する例が示されている。In addition, in the examples shown in Figs. 2 and 13, the immediately lower scaffolding board (1) is in an extended state, and the lower scaffolding board (1) is in an extended state.
An example of extending 1) is shown.
それらは自由であり１例えば１巻上げチェーン１６１が
長ければ、昇降具（９）を最上段の足場板ｒｌ）に吊下
げたまま最下段の足場板（１）の延長にも使用できるも
のである。They are free and, for example, if the hoisting chain 161 is long, it can be used to extend the lowest scaffolding board (1) while the lifting device (9) is suspended from the highest scaffolding board (rl). .
もつとも、昇降具（９）を必要に応じて順次下段へ移動
させてもよいものである。そして、昇降具（９）を操作
して延長しようとする下段の足場板（１）が少し上昇さ
せられる。この上昇操作は下段の足場板（１）の金具（
５）の引掛は部（３）から上段の足場板（１）の金具（
５）の短い可撓性帯部材、すなわち。However, the elevator (9) may be sequentially moved to the lower stage as necessary. Then, the lower scaffolding board (1), which is to be extended, is slightly raised by operating the lifting tool (9). This lifting operation is performed using the metal fittings (
The hook in 5) is connected from part (3) to the metal fittings (1) of the upper scaffolding board (1).
5) short flexible strip members, ie.
チェーン（４）を外すためのものであり、該チェーン（
４）が外されると下段の足場板（１）は昇降具（９）と
吊ロープ（１０）により吊下げ支持される。This is for removing the chain (4).
4) is removed, the lower scaffold board (1) is suspended and supported by the lifting device (9) and the hanging rope (10).
そこで、昇降具（９）を操作して下段の足場板ｒｌ）を
下降させればよい。Therefore, the lower scaffold board rl) may be lowered by operating the elevator (9).
その結果、最終的には足場板（１）間に設けられた可撓
性帯部材、すなわち、チェーン（２）が緊張され、昇降
具（９）及び吊ロープａωは不要となるものであり、外
して、さらに下段の足場板（１）の延長の際に使用すれ
ばよいものである。As a result, the flexible band member provided between the scaffolding boards (1), that is, the chain (2), is finally tensioned, and the lifting device (9) and the hanging rope aω are no longer necessary. It can be removed and used when extending the lower scaffolding board (1).
上記のごとくして１本発明によれば極めて容易に延長作
業を行うことができるものである。As described above, according to the present invention, the extension work can be carried out extremely easily.
つぎに１作業完了後の足場板ｍの取外し作業に４本発明
は利用される。Next, the present invention is utilized for the work of removing the scaffolding board m after completing one work.
その場合には上記と逆に行えばよいものである。In that case, it is sufficient to perform the procedure in the reverse order as described above.
すなわち、昇降具（９）と吊ロープαυを利用して下段
の足場板（１）を上昇させ、上段の足場板（１）との間
を短い可撓性帯部材、すなわち、チェーン（４）で順次
連結する二
それらは下段の足場板（１）の金具（５）の引掛は部（
３）に上段の足場板Ｃ工）のチェーン（４）を引掛けれ
ばよいものであり、全体が積重ね状態となったところで
、全体をクレーン等で吊下げ支持し、最上段の足場板（
１）を支保工等（Ｉ７）から外せばよいものである。That is, the lower scaffolding board (1) is raised using the lifting device (9) and the hanging rope αυ, and a short flexible band member, that is, the chain (4) is connected between the lower scaffolding board (1) and the upper scaffolding board (1). The hooks of the metal fittings (5) of the lower scaffolding board (1) are the parts (
All you have to do is hook the chain (4) of the upper scaffolding board (C) to 3), and when the whole thing is stacked, suspend and support the whole thing with a crane, etc., and attach it to the topmost scaffolding board (C).
1) can be removed from the shoring, etc. (I7).
本発明によれば、地下鉄工事、下水道工事等において、
土砂の掘削に合わせて吊り足場を順次下方に延長するこ
とができ、該延長作業を極めて容易かつ安全に行うこと
ができ、経済的である効果を得るもとができるものであ
る。According to the present invention, in subway construction, sewerage construction, etc.
The hanging scaffold can be successively extended downward in accordance with the excavation of earth and sand, and the extension work can be performed extremely easily and safely, resulting in an economical effect.
図面は本発明の一実施例を示すもので、矛１図は全体斜
視図、牙２図は延長状態を示す正面図、牙３図はその側
面図である。
（１）・・・足場板、（２）・・・チェーン、（３）・
・・引掛は部、（４）・・・短いチェーン、（５）・・
・金具、 １６）（７）（８）・・・フック、（９）・
・・昇降具、ａυ・・・吊ロープ。
（１１）（１３（１３１（１４）−−−係止具、（１ｓ
−−−吊チｘ−：／、 （ｌｆＥｌ’・・・巻上げチェ
ーン、ａη・・・支保工等。The drawings show an embodiment of the present invention, and FIG. 1 is a perspective view of the whole, FIG. 2 is a front view showing an extended state, and FIG. 3 is a side view. (1)...Scaffolding board, (2)...Chain, (3)...
...The hook is part, (4)...Short chain, (5)...
・Metal fittings, 16) (7) (8)...Hook, (9)・
...Lifting equipment, aυ...hanging rope. (11) (13 (131 (14)---locking tool, (1s
---Hanging chain x-:/, (lfEl'... hoisting chain, aη... shoring, etc.
Claims (2)
けられた足場板を、上記可撓性帯部材と別に設けられ隣
設された上段あるいは下段足場板に係合自在とした短い
可撓性帯部材で積重ね状態に支持し、最上段の足場板を
吊下げ支持するとともに、足場板の対向する辺に設けら
れ上下の足場板を連係する昇降具により下段の足場板を
仮支持して上記短い可撓性帯部材の下段の足場板との係
合を解除し、昇降具により下段足場板を下降させて延長
することを特徴とする吊り足場延長方法。(1) Scaffolding boards provided in an appropriate number of stages at required intervals using flexible band members can be freely engaged with upper or lower scaffolding boards provided separately from the flexible band members and placed adjacent to each other. They are supported in a stacked manner using short flexible band members, and the topmost scaffolding board is suspended and supported, while the lower scaffolding board is temporarily suspended using lifting devices installed on opposite sides of the scaffolding board that link the upper and lower scaffolding boards. A method for extending a suspended scaffold, comprising supporting the short flexible band member, disengaging the lower scaffold plate from the short flexible band member, and lowering and extending the lower scaffold plate using a lifting device.
けられた足場板、該足場板の略四隅部に設けられそれぞ
れ上下対向位置に引掛け部と該引掛け部に係合する短い
可撓性帯部材を有する金具、足場板の対向する辺のそれ
ぞれ両側及び略中央部に設けられたフック、上下の足場
板のフック間を連係し、足場板の昇降を行う昇降具から
なることを特徴とする吊り足場延長装置。(2) Scaffolding boards provided in an appropriate number of stages at required intervals using flexible band members, which are provided at approximately four corners of the scaffolding boards and engage with the hooks at vertically opposing positions, respectively. A metal fitting with a short flexible band member, hooks provided on both sides of the opposite sides of the scaffolding board and roughly in the center, and a lifting device that connects the hooks of the upper and lower scaffolding boards to raise and lower the scaffolding board. A hanging scaffold extension device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21427585A JPS6278354A (en) | 1985-09-27 | 1985-09-27 | Method and apparatus for extending suspension scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21427585A JPS6278354A (en) | 1985-09-27 | 1985-09-27 | Method and apparatus for extending suspension scaffold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6278354A true JPS6278354A (en) | 1987-04-10 |
| JPH0461946B2 JPH0461946B2 (en) | 1992-10-02 |
Family
ID=16653034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21427585A Granted JPS6278354A (en) | 1985-09-27 | 1985-09-27 | Method and apparatus for extending suspension scaffold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6278354A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04143365A (en) * | 1990-10-03 | 1992-05-18 | Takasago Thermal Eng Co Ltd | Construction of seiling work and working frame thereof |
| JPH053479U (en) * | 1991-06-28 | 1993-01-19 | 中部電力株式会社 | Working station |
| JPH0545140U (en) * | 1991-11-21 | 1993-06-18 | 株式会社大和工業所 | Mobile work scaffolding |
-
1985
- 1985-09-27 JP JP21427585A patent/JPS6278354A/en active Granted
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04143365A (en) * | 1990-10-03 | 1992-05-18 | Takasago Thermal Eng Co Ltd | Construction of seiling work and working frame thereof |
| JPH053479U (en) * | 1991-06-28 | 1993-01-19 | 中部電力株式会社 | Working station |
| JPH0545140U (en) * | 1991-11-21 | 1993-06-18 | 株式会社大和工業所 | Mobile work scaffolding |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0461946B2 (en) | 1992-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |