JPH09208184A - Work method in assembling and disassembling boom - Google Patents

Work method in assembling and disassembling boom

Info

Publication number
JPH09208184A
JPH09208184A JP3573396A JP3573396A JPH09208184A JP H09208184 A JPH09208184 A JP H09208184A JP 3573396 A JP3573396 A JP 3573396A JP 3573396 A JP3573396 A JP 3573396A JP H09208184 A JPH09208184 A JP H09208184A
Authority
JP
Japan
Prior art keywords
boom
work
rope
disassembling
assembling
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.)
Pending
Application number
JP3573396A
Other languages
Japanese (ja)
Inventor
Masayoshi Kikuchi
正義 菊池
Hironori Ariga
裕徳 有賀
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.)
Toyo Techno Co Ltd
Original Assignee
Toyo Techno Co Ltd
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 Toyo Techno Co Ltd filed Critical Toyo Techno Co Ltd
Priority to JP3573396A priority Critical patent/JPH09208184A/en
Publication of JPH09208184A publication Critical patent/JPH09208184A/en
Pending legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)

Abstract

PROBLEM TO BE SOLVED: To safely perform work on a boom turned sideways in assembling and disassembling a boom of an excavator or a crane. SOLUTION: A scaffold plate 5 made of expanded metal is provided on the upper surface of a boom 2 turned sideways over the moving range of an operator required for work, supporting bars 6 are erected on a plurality of parts of the boom 2 by fixing tools 7, 8, a rope 10 is laid between the supporting bars 6, 6, a safety rope 13 for the operator is movably connected to the rope 10, and work is performed on the scaffold plate 5.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【発明の属する技術分野】本発明は、掘削機やクレーン
などブームを備えた建機や荷役機器などにおけるブーム
の組立・分解時の作業方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a working method for assembling and disassembling a boom in a construction machine or a cargo handling machine having a boom such as an excavator or a crane.

【0002】[0002]

【従来の技術】従来、掘削機やクレーンにおいてブーム
を組立・分解する場合には、各ブーム間のピン連結や、
ブーム起伏用ワイヤーロープの取付、荷吊り用ワイヤー
ロープのウインチからトップシーブまでの送り出し作業
を伴い、これは通常、横に倒したブーム上に作業者が乗
って行っている。
2. Description of the Related Art Conventionally, when assembling and disassembling booms in an excavator or crane, pin connection between booms,
This involves attaching a wire rope for raising and lowering the boom, and feeding the wire rope for lifting the load from the winch to the top sheave, which is usually performed by an operator riding on a boom that has been laid down sideways.

【0003】[0003]

【発明が解決しようとする課題】しかし、横に倒したブ
ーム上に作業者が乗った場合、ブームが鉄パイプを溶接
で太い柱状に接合したものなので足場が悪い上に、足場
までの高さも相当にある。このため、作業が不安定にな
りがちで、足を踏み外す虞れもある。
However, when an operator rides on a boom that has been laid down sideways, the boom is made by welding steel pipes into a thick columnar shape so that the scaffolding is poor and the height to the scaffolding is also high. There is considerable. For this reason, the work tends to be unstable, and there is a risk that the user may step off the foot.

【0004】そこで、本発明は、上記課題を解決し、横
に倒したブーム上での作業を安全に行うことができるブ
ームの組立・分解時の作業方法を提供することを目的と
する。
SUMMARY OF THE INVENTION It is therefore an object of the present invention to solve the above problems and provide a work method for assembling and disassembling a boom, which enables safe work on a boom that has been laid sideways.

【0005】[0005]

【課題を解決するための手段】本発明は上記目的を達成
するために提案されたもので、請求項1に記載のもの
は、横に倒した状態におけるブームの上面に、作業に必
要な作業者の移動範囲にわたって透光性の足場板を設
け、該足場板上で作業を行うことを特徴とするブームの
組立・分解時の作業方法である。
DISCLOSURE OF THE INVENTION The present invention has been proposed in order to achieve the above-mentioned object. According to a first aspect of the present invention, the work necessary for the work is provided on the upper surface of the boom in a state of being laid sideways. A work method at the time of assembling and disassembling a boom, characterized in that a translucent scaffolding plate is provided over a range of movement of a person, and work is performed on the scaffolding plate.

【0006】そして、上記請求項1に記載の発明によれ
ば、ブームの上面に足場があるため安定した姿勢で作業
を安全且つ効率よく行える。また、足場板は透光性であ
り、掘削機又はクレーンの通常の運転時においても、足
場板を通して運転者が向こう側を見ることができるの
で、運転操作の邪魔にならない。
According to the first aspect of the invention, since the scaffold is on the upper surface of the boom, the work can be performed safely and efficiently in a stable posture. Further, since the scaffolding plate is translucent, the driver can see the other side through the scaffolding plate even during normal operation of the excavator or crane, so that it does not disturb the driving operation.

【0007】請求項2に記載のものでは、横に倒したブ
ームの複数箇所に固定具を固定して該固定具により支持
棒をブームの上方に立設し、これら支持棒間に所定の高
さでロープを掛け渡して設置し、このロープに作業者の
安全ロープを移動可能な状態で連結して作業を行うこと
を特徴とするブームの組立・分解時の作業方法である。
According to the second aspect of the present invention, the fixtures are fixed to a plurality of positions of the boom which is laid down sideways, the support rods are erected above the booms by the fixtures, and a predetermined height is provided between the support rods. This is a work method for assembling and disassembling a boom, which is characterized in that a rope is hung around and installed, and a safety rope for a worker is movably connected to the rope to perform work.

【0008】そして、上記請求項2に記載の発明によれ
ば、横に倒したブームの所定高さにおいて支持棒間にロ
ープが張られているため、作業者は自己の安全ロープを
このロープに移動可能な状態で掛けることにより、床か
ら足場までが高い場合でも作業の安全性が確保される。
According to the second aspect of the present invention, since the rope is stretched between the support rods at a predetermined height of the boom which is laid down sideways, the worker attaches his own safety rope to this rope. By hanging in a movable state, work safety is secured even when the floor to the scaffold is high.

【0009】請求項3に記載のものは、横に倒したブー
ムの上面に、作業に必要な作業者の移動範囲にわたって
透光性の足場板を取り付けると共に、ブームの複数箇所
に固定具を固定して該固定具により支持棒をブームの上
方に立設し、これら支持棒間に所定の高さでロープを掛
け渡して設置し、このロープに作業者の安全ロープを移
動可能な状態で連結し、前記足場板上で作業を行うこと
を特徴とするブームの組立・分解時の作業方法である。
According to the third aspect of the present invention, a translucent scaffolding plate is attached to the upper surface of the boom which is laid down sideways over the range of movement of the operator necessary for the work, and fixing tools are fixed to a plurality of positions of the boom. Then, a supporting rod is erected above the boom by the fixing tool, and a rope is hung between the supporting rods at a predetermined height to be installed, and a safety rope for workers is movably connected to this rope. Then, the work is performed on the scaffold plate, which is a method for assembling and disassembling the boom.

【0010】[0010]

【発明の実施の形態】以下、本発明の実施の形態例を図
面に基づいて説明する。図1及び図2において、1は掘
削機やクレーンの本体、2は本体1の前部に傾動可能に
設けたブームであり、組立或は分解作業を行うために地
上まで倒してある。なお、ブーム2は、トラック等によ
って搬送し得る長さに分割可能であり、この分割ブーム
ユニットを適宜な数だけ連結することにより作業に必要
とされる長さに設定することができる。
Embodiments of the present invention will be described below with reference to the drawings. 1 and 2, reference numeral 1 is a main body of an excavator or a crane, and 2 is a boom tiltably provided at a front portion of the main body 1, which is tilted to the ground for assembly or disassembly work. The boom 2 can be divided into a length that can be conveyed by a truck or the like, and by connecting an appropriate number of the divided boom units, the length can be set to the length required for the work.

【0011】ブーム2の上面には、各分割ブームユニッ
ト間のピン連結作業や、ブーム起伏用ワイヤーロープ3
のトップブラケットへの固定作業、荷吊り用ワイヤロー
プ3Aのウインチからトップシーブ4までの送り出し作
業に必要な作業者の移動範囲にわたって、透光性の足場
板5が設置されている。
On the upper surface of the boom 2, the work of connecting the pins between the divided boom units and the boom-raising wire rope 3 are carried out.
The translucent scaffolding plate 5 is installed over the range of movement of the operator required for the work of fixing the wire to the top bracket and the work of sending the load-hanging wire rope 3A from the winch to the top sheave 4.

【0012】図面に示す足場板5は、ブーム2を立てた
場合の実際の運転時において、運転者から前方が見える
ように透光性のエキスパンデッドメタルからなる。しか
し、この足場板5は、エキスパンデッドメタルに限らず
透光性のものであれば、多孔板や網等で構成することも
できる。なお、ウインチは、図示してないが、本体1内
に設けてある。
The scaffolding plate 5 shown in the drawings is made of translucent expanded metal so that the driver can see the front when the boom 2 is standing and is actually driven. However, the scaffolding plate 5 is not limited to the expanded metal, but may be a perforated plate, a net or the like as long as it is translucent. Although not shown, the winch is provided inside the main body 1.

【0013】ブーム2の両側面のうち少なくとも一方に
は、ブーム長手方向の各々数カ所に固定具7,8を固定
し、これらの固定具7,8により単管パイプからなる支
持棒6をブーム2の上方に立設する。
At least one of both side surfaces of the boom 2 is fixed with fixtures 7 and 8 at several positions in the longitudinal direction of the boom, and the support rod 6 made of a single pipe is fixed to the boom 2 by these fixtures 7 and 8. Standing above.

【0014】固定具7,8のうち、支持棒6の下部を保
持する固定具7は、下側支持部材7aと上側支持部材7
bとを組み合わせてなり、また、支持棒6の中間部を支
える固定具8は、下側支持部材8aと上側支持部材8b
とを組み合わせてなる。
Of the fixtures 7 and 8, the fixture 7 that holds the lower part of the support rod 6 is a lower support member 7a and an upper support member 7.
The fixing tool 8 that is formed by combining b and b and supports the intermediate portion of the support rod 6 includes a lower support member 8a and an upper support member 8b.
Combining with.

【0015】下部の固定具7の下側支持部材7aは、図
4に示すように、比較的長い内側筒体71と、該内側筒
体71の下端に水平方向に延設した支持腕72と、この
支持腕72の下面に延在し内側筒体71の下端開口部を
横断して支持棒6の抜けを阻止するストッパ部73と、
支持腕72の先端部に設けた雌ねじ部74とを有する。
また、下部の固定具7の上側支持部材7bは、比較的短
い外側筒体76と、この外側筒体76から水平方向に延
設した支持腕77と、この支持腕77の先端部に設けた
貫通穴78とを有する。
As shown in FIG. 4, the lower support member 7a of the lower fixture 7 includes a relatively long inner cylinder 71 and a support arm 72 extending horizontally from the lower end of the inner cylinder 71. A stopper portion 73 that extends to the lower surface of the support arm 72 and that crosses the lower end opening of the inner cylindrical body 71 to prevent the support rod 6 from coming off.
And a female screw portion 74 provided at the tip of the support arm 72.
The upper support member 7b of the lower fixture 7 is provided on a relatively short outer cylinder body 76, a support arm 77 extending horizontally from the outer cylinder body 76, and a tip portion of the support arm 77. A through hole 78.

【0016】上記した構成からなる下部の固定具7は、
図8及び図9に示すように、下側支持部材7aの内側筒
体71に上側支持部材7bの外側筒体76が嵌装され、
この状態で支持棒6に通される。この場合、支持棒6の
下端はストッパ部73に支持されて、下方への抜け落ち
が防止される。そして、固定具7の支持腕72と支持腕
77との間にブーム材(パイプ)20を挟み、貫通穴7
8から通したボルト80を雌ねじ部74に螺合して両支
持腕72,77間を締め付けることにより、支持棒6の
下端部が固定具7によってブーム材20に堅固に固定さ
れる。なお、支持腕72と支持腕77との対向面にはゴ
ム板75、79を添設して、滑りや回転を防止してい
る。
The lower fixture 7 having the above structure is
As shown in FIGS. 8 and 9, the outer cylinder 76 of the upper support member 7b is fitted to the inner cylinder 71 of the lower support member 7a,
In this state, it is passed through the support rod 6. In this case, the lower end of the support rod 6 is supported by the stopper portion 73 to prevent the support rod 6 from falling downward. Then, the boom member (pipe) 20 is sandwiched between the support arm 72 and the support arm 77 of the fixture 7, and the through hole 7
The lower end of the support rod 6 is firmly fixed to the boom member 20 by the fixture 7 by screwing the bolt 80 passed from 8 into the female screw portion 74 and tightening between the support arms 72 and 77. Note that rubber plates 75 and 79 are attached to the opposing surfaces of the support arm 72 and the support arm 77 to prevent slipping and rotation.

【0017】一方、支持棒6の中間部の固定具8は、下
側支持部材8aと上側支持部材8bとを組み合わせてな
る。中間部の固定具8の下側支持部材8aは、図6に示
すように、比較的長い内側筒体81と、この内側筒体8
1の下端に水平方向に延設した支持腕82と、この支持
腕82の先端部に設けた雌ねじ部84と、ゴム板85と
を有し、内側筒体81内に支持棒6を自由に挿通でき
る。また、中間部の固定具8の上側支持部材8bは、比
較的短い外側筒体86と、この外側筒体86から水平方
向に延設した支持腕87と、この支持腕87の先端部に
設けた貫通穴88とを有する。
On the other hand, the fixture 8 at the intermediate portion of the support rod 6 is formed by combining the lower support member 8a and the upper support member 8b. As shown in FIG. 6, the lower support member 8a of the fixture 8 in the middle part includes a relatively long inner cylinder 81 and the inner cylinder 8
1 has a support arm 82 extending in the horizontal direction at the lower end, a female screw portion 84 provided at the tip of this support arm 82, and a rubber plate 85, and the support rod 6 can be freely placed inside the inner cylinder 81. Can be inserted. Further, the upper support member 8b of the fixture 8 in the middle portion is provided on a relatively short outer cylinder body 86, a support arm 87 extending horizontally from the outer cylinder body 86, and a tip portion of the support arm 87. Through hole 88.

【0018】この中間部の固定具8も、下部の固定具7
の場合と同様に、その下側支持部材8aの内側筒体81
に上側支持部材8bの外側筒体86が嵌装され、この状
態で支持棒6に通される。そして、この支持棒6の中間
部は、支持腕82と支持腕87との間にブーム材(パイ
プ)20を挟み、貫通穴88から通したボルトを雌ねじ
部84に螺合して両支持腕82,87間を締め付けるこ
とにより、ブーム材20に固定される。
The intermediate fixture 8 is also the lower fixture 7
In the same manner as in the above case, the inner cylindrical body 81 of the lower support member 8a
The outer cylindrical body 86 of the upper support member 8b is fitted to the upper support member 8b, and is passed through the support rod 6 in this state. In the middle portion of the support rod 6, the boom member (pipe) 20 is sandwiched between the support arm 82 and the support arm 87, and the bolt passed through the through hole 88 is screwed into the female screw portion 84 to support both support arms. It is fixed to the boom member 20 by tightening between 82 and 87.

【0019】上記支持棒6にはロープ取付具9が、足場
板5に乗った作業者の腰より上の高さ位置において取り
付けられており、これらにロープ10が掛け渡され、ロ
ープ10の端部はそれぞれブーム2の適当な箇所に固定
されている。例えば、図2に示すように、ブームの一端
に設けた固定部材11にロープ10の端部を固定する。
A rope attachment 9 is attached to the support bar 6 at a height position above the waist of the worker who rides on the scaffolding plate 5, and the rope 10 is stretched over these to end the rope 10. Each part is fixed to an appropriate part of the boom 2. For example, as shown in FIG. 2, the end portion of the rope 10 is fixed to a fixing member 11 provided at one end of the boom.

【0020】ロープ取付具9は、図7に示すように、支
持棒6に嵌装される筒体91と、この筒体91を支持棒
6に固定するボルト用の雌ねじ部(ナット)92と、こ
の雌ねじ部92と反対側にて筒体91に突設したピン9
3と、このピン93にU字形先端部を枢着したシャック
ル94とからなる。このロープ取付具9は、その筒体9
1が支持棒6に嵌装され、雌ねじ部92に螺合したボル
トの締め付けにより所定の高さに固定される。そして、
シャックル94のU字形内部に、ロープ10が通され
る。
As shown in FIG. 7, the rope attachment 9 includes a tubular body 91 fitted to the support rod 6, and a female thread portion (nut) 92 for a bolt for fixing the tubular body 91 to the support rod 6. , The pin 9 protruding from the cylindrical body 91 on the side opposite to the female screw portion 92.
3 and a shackle 94 having a U-shaped tip portion pivotally attached to the pin 93. This rope attachment 9 has its tubular body 9
1 is fitted to the support rod 6, and is fixed at a predetermined height by tightening a bolt screwed into the female screw portion 92. And
The rope 10 is passed inside the U-shape of the shackle 94.

【0021】この様にしてブーム2上の所定の高さ位置
に張られたロープ10には、作業者が身につけた安全帯
12から延出させた安全ロープ13先端のフック14が
掛けられる。フック14は、図10に示すように、内側
に回動変位するが外側方向には変位できない抜け防止爪
15を有するタイプのものである。したがって、このフ
ック14をロープ10に掛けると、支持棒6,6間を自
由に移動することができる。そして、隣りの支持棒6,
6間に移動する際には、フック14を一旦外してから隣
りのロープ10に繋ぐ。
A hook 14 at the end of a safety rope 13 extended from a safety belt 12 worn by an operator is hooked on the rope 10 stretched at a predetermined height position on the boom 2 in this manner. As shown in FIG. 10, the hook 14 is of a type that has a slip-out preventing claw 15 that can be rotationally displaced inward but cannot be displaced outward. Therefore, when the hook 14 is hooked on the rope 10, the support rods 6 and 6 can freely move. And the adjacent support rods 6,
When moving between 6, the hook 14 is once removed and then connected to the adjacent rope 10.

【0022】具体的な安全指針としては、足場板5が地
表面から2m以上の高所での危険作業は必ずこの安全帯
12を使用し、フック14を掛ける位置は腰より上と
し、安全ロープ13の長さは1.5m以内のものを用い
ることが望ましい。
As a concrete safety guideline, this safety belt 12 must be used for dangerous work when the scaffolding plate 5 is at a height of 2 m or more from the ground surface, and the hook 14 should be placed above the waist, and the safety rope should be used. It is desirable that the length of 13 be within 1.5 m.

【0023】上記のように、ブーム材20に固定具7,
8を固定し、これらの固定具7,8により支持棒6をブ
ーム2の上方に立設し、これらの支持棒6,6間に適当
な高さでロープ10を連結して設置すると、このロープ
10に作業者が安全ロープ13を連結して作業を行うこ
とができ、しかもブーム2の上面に設けた足場板5上を
歩いて移動することができる。したがって、各ブーム
2,2間のピン連結やワイヤーロープをウインチからト
ップシーブまで連結するといった作業を、無理なく安定
した姿勢で行うことができ、安全性を確保することがで
きる。
As described above, the fixtures 7, 7,
8 is fixed, the support rod 6 is erected above the boom 2 by these fixtures 7 and 8, and the rope 10 is connected between these support rods 6 and 6 at an appropriate height. The worker can work by connecting the safety rope 13 to the rope 10 and can walk and move on the scaffolding plate 5 provided on the upper surface of the boom 2. Therefore, work such as pin connection between the booms 2 and 2 and connection of the wire rope from the winch to the top sheave can be performed in a stable posture without difficulty, and safety can be ensured.

【0024】なお、本発明は、クレーンや掘削機に限ら
ず、建機や荷役機などブームを有する装置において使用
することができる。
The present invention can be used not only for cranes and excavators, but also for devices having booms such as construction machines and cargo handling machines.

【0025】[0025]

【発明の効果】以上説明したように本発明によれば、請
求項1の発明では、横に倒したブームの上面に設けた足
場板上を移動したり、また作業を行うものであるため、
作業を安全且つ効率良く行うことができる。そして、足
場板は透光性であり、掘削機又はクレーンの通常の運転
時においても、足場板を通して運転者が向こう側を見る
ことができるので、運転の邪魔になることもない。
As described above, according to the present invention, in the invention of claim 1, the scaffold plate provided on the upper surface of the boom tilted sideways is used to move or work.
Work can be performed safely and efficiently. Further, the scaffolding plate is transparent, and even during normal operation of the excavator or crane, the driver can see the other side through the scaffolding plate, so that the scaffolding plate does not interfere with driving.

【0026】請求項2の発明によれば、横に倒したブー
ムの複数箇所に立設した支持棒間に適当な高さでロープ
を設置し、このロープに作業者の安全ロープを移動可能
に連結して作業を行うので、ブームが太くて床や地面か
ら足場までが高い場合でも作業の安全性が確保される。
According to the second aspect of the present invention, the rope is installed at an appropriate height between the support rods erected at a plurality of positions of the boom which is laid down sideways, and the safety rope of the worker can be moved to this rope. Since the work is connected, work safety is ensured even when the boom is thick and the floor or ground to the scaffold is high.

【0027】請求項3の発明によれば、横に倒したブー
ムの上面に透光性の足場板を設けると共に、ブームの複
数箇所に立設した支持棒間に適当な高さでロープを張
り、このロープに作業者の安全ロープを移動可能に連結
し、前記足場板上で作業を行うので、作業の安全性を一
層向上させることができる。
According to the third aspect of the present invention, a translucent scaffolding plate is provided on the upper surface of the boom which is laid down sideways, and ropes are stretched at appropriate heights between the support rods erected at a plurality of positions on the boom. Since a worker's safety rope is movably connected to this rope and work is performed on the scaffolding plate, work safety can be further improved.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明のクレーンのブームを地表面まで倒して
組立・分解作業を行う状態の正面図である。
FIG. 1 is a front view of a state in which a boom of a crane of the present invention is tilted to the ground surface to perform assembly / disassembly work.

【図2】クレーンの本体側から見たブームの斜視図であ
る。
FIG. 2 is a perspective view of the boom seen from the main body side of the crane.

【図3】図2の支持棒の下部固定具の上側支持部材を示
すもので、(a)は側面図、(b)は底面図である。
3A and 3B show an upper support member of the lower fixture of the support rod of FIG. 2, FIG. 3A being a side view and FIG. 3B being a bottom view.

【図4】図2の支持棒の下部固定具の下側支持部材を示
すもので、(a)は側面図、(b)は底面図である。
4A and 4B show a lower support member of a lower fixture of the support rod of FIG. 2, FIG. 4A being a side view and FIG. 4B being a bottom view.

【図5】図2の支持棒の中間部固定具の上側支持部材を
示すもので、(a)は側面図、(b)は底面図である。
5A and 5B show an upper side supporting member of an intermediate portion fixing tool of the supporting rod of FIG. 2, FIG. 5A being a side view and FIG. 5B being a bottom view.

【図6】図2の支持棒の中間部固定具の下側支持部材を
示すもので、(a)は側面図、(b)は底面図である。
6A and 6B show a lower side support member of an intermediate portion fixing tool of the support rod of FIG. 2, wherein FIG. 6A is a side view and FIG. 6B is a bottom view.

【図7】図2のロープ取付具を示すもので、(a)は側
面図、(b)は底面図である。
7A and 7B show the rope attachment of FIG. 2, where FIG. 7A is a side view and FIG. 7B is a bottom view.

【図8】図2の支持棒の下部固定具を構成する下側支持
部材と上側支持部材を示す側面図である。
FIG. 8 is a side view showing a lower support member and an upper support member that constitute the lower fixture of the support rod of FIG.

【図9】図2の支持棒の下部固定具を構成する下側支持
部材と上側支持部材の組合せ状態を示す側面図である。
FIG. 9 is a side view showing a combined state of a lower support member and an upper support member that form a lower fixture of the support rod of FIG.

【図10】作業者が身につける安全帯を示す図である。FIG. 10 is a diagram showing a safety belt worn by an operator.

【符号の説明】[Explanation of symbols]

1 本体 2 ブーム 3 ブーム起伏用ワイヤーロープ 3A 荷吊り用ワイヤーロープ 4 トップシーブ 5 足場板 6 支持棒 7 下部の固定具 7a 下側支持部材 7b 上側支持部材 8 中間部の固定具 8a 下側支持部材 8b 上側支持部材 9 ロープ取付具 10 ロープ 11 固定部材 12 安全帯 13 安全ロープ 14 フック 15 抜け防止爪 20 ブーム材 71 内側筒体 72 支持腕 73 ストッパ部 74 雌ねじ部 75 ゴム板 76 外側筒体 77 支持腕 78 貫通穴 79 ゴム板 80 ボルト 81 内側筒体 82 支持腕 84 雌ねじ部 85 ゴム板 86 外側筒体 87 支持腕 88 貫通穴 89 ゴム板 91 筒体 92 ボルト 93 ピン 94 シャックル 1 Main Body 2 Boom 3 Boom Rope Wire Rope 3A Load Lifting Wire Rope 4 Top Sheave 5 Scaffolding Plate 6 Support Rod 7 Lower Fixture 7a Lower Support Member 7b Upper Support Member 8 Middle Fixture 8a Lower Support Member 8b Upper support member 9 Rope mounting tool 10 Rope 11 Fixing member 12 Safety belt 13 Safety rope 14 Hook 15 Pull-out prevention claw 20 Boom material 71 Inner cylinder body 72 Support arm 73 Stopper section 74 Female screw section 75 Rubber plate 76 Outer cylinder body 77 Support Arm 78 Through hole 79 Rubber plate 80 Bolt 81 Inner cylinder 82 Support arm 84 Female screw portion 85 Rubber plate 86 Outer cylinder 87 Support arm 88 Through hole 89 Rubber plate 91 Cylindrical body 92 Bolt 93 Pin 94 Shackle

Claims (3)

【特許請求の範囲】[Claims] 【請求項1】 横に倒した状態におけるブームの上面
に、作業に必要な作業者の移動範囲にわたって透光性の
足場板を設け、該足場板上で作業を行うことを特徴とす
るブームの組立・分解時の作業方法。
1. A scaffolding board having a translucent property is provided on an upper surface of the boom in a state of being laid down sideways over a range of movement of an operator required for work, and the work is performed on the scaffolding board. How to work when assembling and disassembling.
【請求項2】 横に倒したブームの複数箇所に固定具を
固定して該固定具により支持棒をブームの上方に立設
し、これら支持棒間に所定の高さでロープを掛け渡して
設置し、このロープに作業者の安全ロープを移動可能な
状態で連結して作業を行うことを特徴とするブームの組
立・分解時の作業方法。
2. A fixing tool is fixed to a plurality of positions of a boom which is laid down sideways, and a supporting rod is erected above the boom by the fixing tool, and a rope is stretched between the supporting rods at a predetermined height. A work method at the time of assembling and disassembling a boom, which is installed and connected with a safety rope for workers so that it can be moved.
【請求項3】 横に倒したブームの上面に、作業に必要
な作業者の移動範囲にわたって透光性の足場板を取り付
けると共に、ブームの複数箇所に固定具を固定して該固
定具により支持棒をブームの上方に立設し、これら支持
棒間に所定の高さでロープを掛け渡して設置し、このロ
ープに作業者の安全ロープを移動可能な状態で連結し、
前記足場板上で作業を行うことを特徴とするブームの組
立・分解時の作業方法。
3. A translucent scaffolding plate is attached to the upper surface of the boom which is laid down sideways over the range of movement of an operator necessary for work, and fixing tools are fixed to a plurality of positions of the boom and supported by the fixing tools. A rod is erected above the boom, and a rope is laid between these support rods at a predetermined height, and a safety rope for workers is movably connected to this rope.
A work method for assembling and disassembling a boom, characterized in that work is performed on the scaffold plate.
JP3573396A 1996-01-31 1996-01-31 Work method in assembling and disassembling boom Pending JPH09208184A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3573396A JPH09208184A (en) 1996-01-31 1996-01-31 Work method in assembling and disassembling boom

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3573396A JPH09208184A (en) 1996-01-31 1996-01-31 Work method in assembling and disassembling boom

Publications (1)

Publication Number Publication Date
JPH09208184A true JPH09208184A (en) 1997-08-12

Family

ID=12450040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3573396A Pending JPH09208184A (en) 1996-01-31 1996-01-31 Work method in assembling and disassembling boom

Country Status (1)

Country Link
JP (1) JPH09208184A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128784B2 (en) * 1978-06-16 1986-07-02 Takasaka Kozo Setsukei Jimusho Kk
JPH08133671A (en) * 1994-11-16 1996-05-28 Hitachi Constr Mach Co Ltd Working scaffold device for crane boom

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6128784B2 (en) * 1978-06-16 1986-07-02 Takasaka Kozo Setsukei Jimusho Kk
JPH08133671A (en) * 1994-11-16 1996-05-28 Hitachi Constr Mach Co Ltd Working scaffold device for crane boom

Similar Documents

Publication Publication Date Title
JP4767929B2 (en) Master rope support for truck and master rope erection device
RU2003137582A (en) DEVICE FOR SAFE WORK ON HORIZONTAL SURFACES OF BUILDING OBJECTS
US5445281A (en) Light-duty electric crane
JP6312109B1 (en) Safety device for temporary scaffold
NZ543432A (en) Scaffolding bracket using gripping member on pivotal linkage to grip building frame member
JPH10120365A (en) Handrail device for crane boom
JP3756924B1 (en) Fall prevention device, cargo vehicle, and assembly method of fall prevention device
KR102022044B1 (en) Overturn preventing device of high place works car
JPH09208184A (en) Work method in assembling and disassembling boom
JPH0769585A (en) Crane boom assembly
JP2008240286A (en) Hydraulic shovel
CN210286469U (en) Prefabricated part hoist
JP5627958B2 (en) Pole work table
WO2007136780A2 (en) Roof safety system
JP3567425B2 (en) Horizontal stay for tower crane
JP4054800B2 (en) Climbing scaffold
JP5816536B2 (en) Master rope support device and slope working method using master rope support device
CN215331567U (en) Auxiliary tightening device for straight threads of reinforcing steel bars
JP3329719B2 (en) Pile driver
JPH072549Y2 (en) Crane lifting equipment
JP2655819B2 (en) Bounce scaffolding device for temporary scaffolds
JP2006241951A (en) Tool for removing net suspension fitting
JPH10176415A (en) Hanging scaffold metal fixture for constructing building and hanging scaffold
JP3001876U (en) Lifting mechanism for stage equipment
JP2867242B2 (en) Attachment structure such as jib to the crane's telescopic boom