JPS597949Y2 - Scaffolding equipment for tower-like structures, etc. - Google Patents
Scaffolding equipment for tower-like structures, etc.Info
- Publication number
- JPS597949Y2 JPS597949Y2 JP10172079U JP10172079U JPS597949Y2 JP S597949 Y2 JPS597949 Y2 JP S597949Y2 JP 10172079 U JP10172079 U JP 10172079U JP 10172079 U JP10172079 U JP 10172079U JP S597949 Y2 JPS597949 Y2 JP S597949Y2
- Authority
- JP
- Japan
- Prior art keywords
- boom
- sheave
- tower
- telescopic
- tip
- 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
Links
Landscapes
- Movable Scaffolding (AREA)
Description
【考案の詳細な説明】
この考案は高圧送電用鉄塔据付けなど塔状溝造物等の据
付作業に使用する足場装置に関し、特に可動作業台の水
平維持性を向上させた足場装置に関する。[Detailed Description of the Invention] This invention relates to a scaffolding device used for installation work of tower-shaped trench structures such as the installation of high-voltage power transmission towers, and particularly relates to a scaffolding device that improves the horizontal maintenance of a movable work platform.
一般に鉄塔のごとき塔状構造物は、その構戊ブロック段
毎のメンバーを順次継ぎ足すことより据付けられるが、
その据付作業には足場を必要とする。Generally, tower-like structures such as steel towers are installed by sequentially adding members of each structural block stage.
Scaffolding is required for the installation work.
このため、従来は継ぎ足しメンバー毎に仮足場板を取付
けているが、その取付作業は多くの手数がかかって頗ぶ
る面倒であるとともに大きな危険性を伴なう。For this reason, in the past, temporary scaffolding boards have been attached to each additional member, but the attachment work requires a lot of effort, is extremely troublesome, and is also accompanied by great danger.
そこで本出願人は、前記問題点を解消すべく構或した塔
状構造物等の足場装置を先に提供した。Therefore, the present applicant has provided a scaffolding device for a tower-like structure or the like designed to solve the above-mentioned problems.
この足場装置は、タワーにクライミング手段を介して伸
縮可能構戊のブームを俯仰駆動自在に保持させ、そのブ
ーム先端に取付けた作業台をブームの俯仰駆動で上下方
向に変位させる構戊となっている関係上、ブームが如何
なる俯仰角になっても、またその俯仰作動中でも作業台
を常時水平に保持させる必要がある。This scaffolding device has a structure in which a boom with an extendable structure is held on the tower via a climbing means so that it can be driven upward and downward, and a work platform attached to the tip of the boom is displaced in the vertical direction by the upward and downward movement of the boom. Because of this, it is necessary to maintain the work platform horizontally at all times, no matter what angle of elevation the boom is at or even during the elevation operation.
この考案はその必要性からなされたのであり、伸縮可能
構戊のブームの先端に取付けた作業台が、前記ブームの
伸縮や俯仰運動に関係なく常時確実に水平保持される構
威とした塔状構造物等の足場装置を提供し、もって、安
全作業性の向上に寄与することを目的とする。This idea was made based on this need, and the workbench attached to the tip of the extensible boom has a tower-like structure that is always held horizontally regardless of the boom's extension/contraction or elevation movement. The purpose is to provide scaffolding equipment for structures, etc., and thereby contribute to improving work safety.
以下に、この考案の好適実施例を図面に基づき説明する
。Preferred embodiments of this invention will be described below with reference to the drawings.
第1図に示す足場装置において、ブーム支持体の一例で
あるタワー設備1は、塔状構造物等の据付作業現場に設
置するタワー2と、これに懸架したクライミングビーム
3と、このビームに支持させたパスフレーム4およびこ
のフレームに取付けた旋回フレーム5のそれぞれを具備
した構或になっている。In the scaffolding device shown in FIG. 1, the tower equipment 1, which is an example of a boom support, includes a tower 2 installed at a work site for installing a tower-like structure, a climbing beam 3 suspended from the tower, and a climbing beam 3 supported by the beam. The structure includes a pass frame 4 and a swing frame 5 attached to this frame.
斯様なタワー設備1において、旋回フレーム5の下壁に
は主ブーム6の基端部が俯仰自在に枢着され、この主ブ
ーム6は旋回フレーム5との間に装架した俯仰用シリン
ダ7の伸縮作動で俯仰駆動される。In such tower equipment 1, the base end of a main boom 6 is pivotally attached to the lower wall of the swing frame 5 so as to be able to rise and fall freely, and the main boom 6 is connected to a cylinder 7 for elevation mounted between it and the swing frame 5. It is driven up and down by the telescoping action.
主ブーム6には、その先端延長方向に沿って伸縮させる
ための伸縮ブーム8が取付けられ、この伸縮ブーム8は
基端シーブ9と先端シーブ10を有して先端部に作業台
11の基端部が上下回動自在に取付けてあり、この作業
台11は先端シーブ12を有している。A telescoping boom 8 is attached to the main boom 6 to extend and retract along the extension direction of its distal end. This workbench 11 has a sheave 12 at its end.
前記主ブーム6の先端側にはロープ繋止用の下側端子1
3が一体突設してあり、この端子13に作業台11の水
平保持性を得るためのスタビライザーロープ14の一端
を繋止連結している。On the tip side of the main boom 6, there is a lower terminal 1 for anchoring the rope.
3 is integrally protruded, and one end of a stabilizer rope 14 for maintaining the workbench 11 horizontally is fixedly connected to this terminal 13.
そして、このスタビライザーロープ14は、伸縮ブー・
ム8の基端シーブ9から先端シーブ10および作業台1
1の先端シーブ12に順次掛け回わして前記伸縮ブーム
8および主ブーム6のそれぞれに平行させた緊張状態で
他端部を旋回フレーム5と一体の上側端子15に繋止連
結している。This stabilizer rope 14 is a telescopic boot.
from the proximal sheave 9 to the distal sheave 10 of the system 8 and the workbench 1
The other end is fixedly connected to an upper terminal 15 integral with the revolving frame 5 in a tensioned state in which the end sheave 12 of the first sheave is sequentially wrapped around the telescopic boom 8 and the main boom 6, respectively.
斯様なスタビライザーロープ14の掛け回わし構戊、す
なわちそのスタビライザーロープ14を作業台11の先
端シーブ12と上側端子15との間で主ブーム6と伸縮
ブーム8のそれぞれに平行させることが作業台11の水
平保持上に最も肝要なことである。Such a structure for hanging the stabilizer rope 14, that is, making the stabilizer rope 14 parallel to each of the main boom 6 and the telescopic boom 8 between the tip sheave 12 and the upper terminal 15 of the work platform 11 is suitable for the work platform. This is the most important thing for maintaining the horizontal position of No. 11.
もって、前記スタビライザーロープ14は一定全長で、
伸縮ブーム8の両シーブ9,10問およびその先端シー
ブ10と作業台11の先端シーブ12との間が常時不変
長となり、下側端子13とシーブ9との間のロープスパ
ンl1および上側端子15とシーブ12との間のロープ
スパンl2は伸縮ブーム8の伸縮作動により変化するが
、この場合におけるそれぞれのスパン変化量は同一量分
だけ反比例する。Therefore, the stabilizer rope 14 has a constant overall length,
Both sheaves 9 and 10 of the telescopic boom 8 and the length between the tip sheave 10 and the tip sheave 12 of the workbench 11 remain constant at all times, and the rope span l1 between the lower terminal 13 and the sheave 9 and the upper terminal 15 The rope span l2 between the sheave 12 and the sheave 12 changes due to the telescoping operation of the telescopic boom 8, but in this case, the respective span changes are inversely proportional to each other by the same amount.
従って、両ブーム6,8および作業台11,並びにシー
ブ12と上側端子15とのスタビライザーロープ14、
それに主ブーム6の基端枢支点Pと前記上側端子15と
の間がそれぞれ平行四辺形に沿っていることにより、前
記作業台11は両ブーム6,8の俯仰運動および伸縮ブ
ーム8の伸縮運動に全く関係なく常に水平位置を保持す
る。Therefore, both booms 6, 8 and the work platform 11, as well as the stabilizer rope 14 between the sheave 12 and the upper terminal 15,
In addition, since the base end pivot point P of the main boom 6 and the upper terminal 15 are along parallelograms, the work platform 11 can be moved by the upward and downward movement of both booms 6 and 8 and the telescopic movement of the telescopic boom 8. It always maintains a horizontal position regardless of the
更に詳しく述べると、第2図中において、実線位置の両
ブーム6,8を基端枢支点Pを中心にして同図中の鎖線
位置方向に仰動させると、上側端子15とシーブ12と
の間のスタビライザーロープ14は、両ブーム6,8の
基端枢支点Pと先端シーブ10との間のスパンLと同一
の長さを保持し、かつ両ブーム6,8との平行状態を保
持したまま前記上側端子15を支点として両ブーム6,
8と共に仰動する。More specifically, when both the booms 6 and 8 at the solid line position in FIG. 2 are moved up and down in the direction of the chain line position in the figure with the base end pivot point P as the center, the upper terminal 15 and the sheave 12 will be connected to each other. The stabilizer rope 14 between the two booms 6 and 8 maintained the same length as the span L between the base end pivot point P and the tip sheave 10, and maintained a parallel state with both the booms 6 and 8. Both booms 6,
Move up and down with 8.
従って、作業台11は両ブーム6,8の仰動中に如何な
る位置でも常に水平姿勢を保持し、このことは、両ブー
ム6,8の俯動時および俯仰角十θからーθ方向への運
動時ならびに伸縮ブーム8の伸縮作動時のいずれの場合
においても同じである。Therefore, the work platform 11 always maintains a horizontal posture at any position during the upward movement of both the booms 6 and 8, and this means that when both the booms 6 and 8 are downwardly moved, and when the upward and downward angle of elevation changes from 0θ to -θ direction. This is the same both during movement and when the telescopic boom 8 is telescopically operated.
以上の実施例のブーム構或は二段伸びとなっているが、
そのブーム構或は第3図に示すごとき三段伸びするもの
であってもよい。Although the boom structure or two-stage extension of the above example is used,
The boom structure may be one that extends in three stages as shown in FIG.
この場合は、一段目の主ブーム6の下側端子13に繋止
したスタビライザーロープ14を、二段目の伸縮ブーム
8aの基端シーブ9aから先端シーブ10 aに掛け渡
したのち、三段目伸縮ブーム8bの基端シーブ9bから
先端シーブ10 bおよび作業台11の先端シーブ12
に順次掛け渡して各ブーム6,8 a ,8 bに平行
させた状態で上側端子15に繋止連結すればよく、この
場合の作用効果も前実施例の場合と同じであるから、そ
の説明は省略する。In this case, the stabilizer rope 14 connected to the lower terminal 13 of the first stage main boom 6 is passed from the base end sheave 9a of the second stage telescopic boom 8a to the tip sheave 10a, and then From the proximal sheave 9b to the distal sheave 10b of the telescopic boom 8b and the distal sheave 12 of the workbench 11
The booms 6, 8a, and 8b may be connected to each other in parallel to the upper terminal 15, and the operation and effect in this case are the same as in the previous embodiment. is omitted.
なお、前記実施例において、伸縮ブーム8および8aは
主プーム6に対してガイドローラを介したスライド自在
な保持構或となっており、これと同じ手段で二段目伸縮
ブーム8aに三段目伸縮ブーム8bが保持させてあり、
かつ、主ブーム6と伸縮ブーム8および8aとの間、ま
た伸縮ブームBa,8b相互間にはブーム伸縮駆動手段
が組付けられるが、このブーム伸縮駆動手段は種々構造
のものがあって、この考案の要旨には直接関係がないの
で図示説明は省略する。In the embodiment described above, the telescopic booms 8 and 8a have a holding structure that allows them to slide freely relative to the main boom 6 via guide rollers, and by the same means, the second stage telescopic boom 8a is attached to the third stage telescopic boom 8a. It is held by the telescopic boom 8b,
Additionally, boom telescoping drive means are assembled between the main boom 6 and the telescoping booms 8 and 8a, and between the telescoping booms Ba and 8b.This boom telescoping drive means has various structures. Since this is not directly related to the gist of the invention, illustrations and explanations will be omitted.
以上要するにこの考案では、俯仰運動させる主ブームの
先端側に一端を繋止したスタビライザーローブを少なく
とも一つの伸縮ブームの基端シーブから先端シーブおよ
び伸縮ブームの最先端部に軸支した上下回動自在な作業
台の先端シーブに順次掛け渡したのち各ブームと平行さ
せてブーム支持体側に繋止したので、次のごとき顕著な
効果が得られる。In summary, in this invention, a stabilizer lobe, one end of which is connected to the distal end of the main boom that is to be moved up and down, is pivoted from the proximal sheave of at least one telescopic boom to the distal sheave and the most distal end of the telescopic boom, and is movable up and down. The sheaves were successively strung over the tip sheave of a working platform, and then tied to the boom support side in parallel with each boom, resulting in the following remarkable effects.
(1)スタビライザーロープが作業台の先端シーブとブ
ーム支持体側繋止部との間で各ブームと常に平行し、か
つ主ブームのロープ繋止部と伸縮ブームの少なくとも基
端シーブとの間のロープスパンと、前述のごとく各ブー
ムに平行した部分のロープスパンとが、伸縮ブームの伸
縮作動時にその作動量に応じた同じ長さ分だけ反比例し
て変化するので、各ブームの俯仰運動中や伸縮ブームの
伸縮運動中、あるいは、これらが同時に運動していよう
と、それらの運動に全く関係なく前記作業台は常に水平
姿勢を保持する。(1) The stabilizer rope is always parallel to each boom between the tip sheave of the work platform and the boom support side anchorage, and the rope is connected between the rope anchorage of the main boom and at least the proximal sheave of the telescopic boom. As mentioned above, the span and the rope span of the part parallel to each boom change in inverse proportion to the same length depending on the amount of operation when the telescopic boom is extended or contracted. Regardless of whether the boom is extending or retracting, or whether they are moving simultaneously, the workbench always maintains a horizontal position, regardless of these movements.
(2)斯様に作業台が常に水平姿勢を保持することによ
り、その台上塔乗作業者の安全性保障に大きく寄与する
とともに、ブームの俯仰運動範囲を大きくとることがで
きて塔状構造物据付時等の作業性を大幅に向上させ得る
。(2) By keeping the work platform in a horizontal position at all times, it greatly contributes to ensuring the safety of the workers on the platform, and the tower-like structure allows the boom to have a large range of vertical movement. Workability during installation of objects can be greatly improved.
(3)前述のごとく、作業台の水平保持をロープで行な
っているので、構或も簡単である。(3) As mentioned above, the workbench is held horizontally using ropes, so the construction is simple.
【図面の簡単な説明】
第1図はこの考案の好適一実施例を示す足場装置全体の
側面図、第2図は同装置の概略的な作用説明図、第3図
は変形例説明図である。
図中、1はブーム支持体、6は主ブーム、8,8 a
,8bは伸縮ブーム、9.9 a ,9 b ,10.
10 a ,10 b ,12はシーブ、11は作業台
、14はスタビライザーローブである。[Brief Description of the Drawings] Fig. 1 is a side view of the entire scaffolding device showing a preferred embodiment of this invention, Fig. 2 is a schematic diagram illustrating the operation of the device, and Fig. 3 is a diagram illustrating a modified example. be. In the figure, 1 is the boom support, 6 is the main boom, 8, 8 a
, 8b is a telescopic boom, 9.9 a , 9 b , 10.
10 a , 10 b , 12 are sheaves, 11 is a workbench, and 14 is a stabilizer lobe.
Claims (1)
にその延長方向へスライドさせる少なくとも一つの伸縮
ブームを取付け、この伸縮ブームの先端側に作業台を上
下回動自在に枢着し、主ブームの先端側に一端を繋止し
たスタビライザーロープを、伸縮ブームの基端シーブか
ら先端シーブおよび前記作業台の先端シーブに順次掛け
渡したのち各ブームに平行させてブーム支持体側に緊張
繋止したことを特徴とする塔状構造物等の足場装置。At least one telescopic boom that slides in its extension direction is attached to a main boom whose base end is pivoted to a boom support and is moved up and down, and a work platform is pivoted to the distal end side of the telescopic boom so as to be movable up and down, A stabilizer rope with one end tied to the tip side of the main boom is sequentially stretched from the base end sheave of the telescopic boom to the tip sheave and the tip sheave of the work platform, and then tensioned to the boom support side in parallel to each boom. Scaffolding equipment for tower-like structures, etc., characterized by:
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10172079U JPS597949Y2 (en) | 1979-07-23 | 1979-07-23 | Scaffolding equipment for tower-like structures, etc. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10172079U JPS597949Y2 (en) | 1979-07-23 | 1979-07-23 | Scaffolding equipment for tower-like structures, etc. |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5620833U JPS5620833U (en) | 1981-02-24 |
JPS597949Y2 true JPS597949Y2 (en) | 1984-03-12 |
Family
ID=29334460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10172079U Expired JPS597949Y2 (en) | 1979-07-23 | 1979-07-23 | Scaffolding equipment for tower-like structures, etc. |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS597949Y2 (en) |
-
1979
- 1979-07-23 JP JP10172079U patent/JPS597949Y2/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5620833U (en) | 1981-02-24 |
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