JP2015074908A - Tying device for construction/repair work of truss-type steel tower and construction/repair method of truss-type steel tower by mobile climbing scaffolding using the same - Google Patents

Tying device for construction/repair work of truss-type steel tower and construction/repair method of truss-type steel tower by mobile climbing scaffolding using the same Download PDF

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JP2015074908A
JP2015074908A JP2013210968A JP2013210968A JP2015074908A JP 2015074908 A JP2015074908 A JP 2015074908A JP 2013210968 A JP2013210968 A JP 2013210968A JP 2013210968 A JP2013210968 A JP 2013210968A JP 2015074908 A JP2015074908 A JP 2015074908A
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tower
truss
construction
members
stage
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JP5456201B1 (en
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歩 菊原
Ayumi Kikuhara
歩 菊原
久喜 三浦
Hisayoshi Miura
久喜 三浦
藤田 秀雄
Hideo Fujita
秀雄 藤田
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Nihon Kasetsu KK
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Abstract

PROBLEM TO BE SOLVED: To provide a tying device for construction/repair work of a truss-type steel tower in which superior effect is provided in a construction period or safety aspect or the like, and to provide a construction/repair method of the truss-type steel tower by mobile climbing scaffolding using the tying device.SOLUTION: A tying device (10) is characterized by including: a first tie (12) structured by one or two or more elongated members (12a, 12b), having one end rotatably attached to a transverse member through a pin connector (18), and having the other end serving as a free end; a second tie (14) structured by one or two or more elongated members (14a, 14b), having one end rotatably attached to the transverse member through the pin connector, and having the other end serving as the free end; and a fixture (19) for fixing the free ends of the first and second ties in a desired member of a truss-type steel tower.

Description

本発明は、トラス式鉄塔の建設・補修工事に用いられるつなぎ装置および該つなぎ装置を使用した移動昇降式足場によるトラス式鉄塔の建設・補修方法に関する。本発明におけるトラス式鉄塔としては、例えば送電鉄塔の他、種々のトラス式鉄塔があげられる。   The present invention relates to a connecting device used for construction / repair work of a truss tower and a method of constructing / repairing a truss tower using a moving lifting scaffold using the connecting device. Examples of the truss tower in the present invention include various truss towers in addition to a power transmission tower.

従来、塔状構造物を建設し或いは補修する際には、枠組足場や単管足場を組んだり、ゴンドラを使用したりして作業が行われていた。本発明者は、塔状構造物のうち無線鉄塔のような円筒構造物の建設・補修工事に使用する新規な壁つなぎバンドを下記の特許文献1において提案している。   Conventionally, when constructing or repairing a tower-like structure, work has been carried out by assembling a frame scaffold, a single pipe scaffold, or using a gondola. The present inventor has proposed a novel wall connecting band used for construction / repair work of a cylindrical structure such as a radio tower among tower-like structures in Patent Document 1 below.

特許第5299982号公報Japanese Patent No. 5299982

塔状構造物の各種工事において足場を使用すると、枠組足場や単管足場等の組立や解体に手間がかかり、コスト面や工期面で不利であるという課題がある。また、ゴンドラを使用して作業すると、風の影響により工事の中断を余儀なくされることがあり、工期や安全上の点からも問題がある。さらに、足場の組立や解体、ゴンドラの設置には、高所作業や危険作業を伴うため、墜落落下等の事故が発生するおそれがある。本発明者は、これらの点を考慮し、上述のように新規な壁つなぎバンドを開発し、これにより塔状構造物のうち円筒構造物の建設・補修工事についてはこのような不都合は解消されたが、トラス式鉄塔の建設・補修工事においては、依然としてこのような不都合が解消されない状態であった。   When scaffolds are used in various constructions of tower-like structures, there is a problem that it takes time to assemble and dismantle frame scaffolds and single pipe scaffolds, which is disadvantageous in terms of cost and construction period. In addition, when working with a gondola, the work may be interrupted due to the influence of the wind, which is also problematic in terms of construction period and safety. Furthermore, assembly, dismantling of scaffolds, and installation of gondola involve work at heights and dangerous work, and there is a risk of accidents such as falling down. In consideration of these points, the present inventor has developed a new wall connecting band as described above, and this inconvenience has been solved for the construction and repair work of cylindrical structures among tower structures. However, in the construction and repair work of truss towers, such inconveniences still remained.

本発明は、このような状況に鑑みて開発されたものであって、上述の従来技術の課題を克服し、工期面や安全面等で優れた効果を有するトラス式鉄塔建設・補修工事用つなぎ装置および該つなぎ装置を使用した移動昇降式足場によるトラス式鉄塔の建設・補修方法を提供することを目的としている。   The present invention was developed in view of such a situation, and overcomes the problems of the prior art described above, and is a bridge for truss-type steel tower construction / repair work that has excellent effects in terms of construction period and safety. It is an object of the present invention to provide a device and a method for constructing and repairing a truss-type steel tower using a moving lifting type scaffold using the connecting device.

本願請求項1に記載のトラス式鉄塔建設・補修工事用つなぎ装置は、1又は複数の細長い部材によって構成され、一方の端部が前記細長い部材に対して実質的に直交するように配置された横断部材にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第1のつなぎ材と、前記第1のつなぎ材に隣接して位置し、1又は複数の細長い部材によって構成され、一方の端部が前記横断部材にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第2のつなぎ材と、前記第1および第2のつなぎ材の前記自由端をトラス式鉄塔の所望の部材に固定するための固定具とを備え、前記横断部材を足場の所定箇所に取り付け、前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除したりするように構成されていることを特徴とするものである。   The connecting device for truss tower construction / repair work according to claim 1 of the present application is constituted by one or a plurality of elongated members, and one end thereof is arranged so as to be substantially orthogonal to the elongated members. A first connecting member rotatably attached to the cross member via a pin connector, the other end being a free end, and positioned adjacent to the first connecting member; A second tether formed by an elongated member, one end of which is rotatably attached to the cross member via a pin connector, and the other end is a free end; and the first and first A fixing device for fixing the free end of the two tethers to a desired member of the truss tower, the cross member is attached to a predetermined position of the scaffold, and the free of the first and second tethers Truss type with the above fixing device And it is characterized in that it is configured or deselect secured or fixed to the desired member of the tower.

本願請求項2に記載のトラス式鉄塔建設・補修工事用つなぎ装置は、前記請求項1の装置において、前記第1のつなぎ材を構成する前記細長い部材の前記一方の端部を、前記横断部材から取り外すことができ、前記第2のつなぎ材を構成する前記細長い部材の前記一方の端部を、前記横断部材から取り外すことができるように構成されていることを特徴とするものである。   A connecting device for truss tower construction / repair work according to claim 2 of the present application is the device according to claim 1, wherein the one end of the elongated member constituting the first connecting member is connected to the transverse member. The one end of the elongate member constituting the second tether can be removed from the transverse member.

本願請求項3に記載のトラス式鉄塔建設・補修工事用つなぎ装置は、1又は複数の細長い部材によって構成され、一方の端部が足場の所定箇所にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第1のつなぎ材と、前記第1のつなぎ材に隣接して位置し、1又は複数の細長い部材によって構成され、一方の端部が前記足場の所定箇所にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第2のつなぎ材と、前記第1および第2のつなぎ材の前記自由端をトラス式鉄塔の所望の部材に固定するための固定具とを備え、前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除したりするように構成されていることを特徴とするものである。   The truss type tower construction / repair work connecting device according to claim 3 of the present application is constituted by one or a plurality of elongated members, and one end thereof is rotatably attached to a predetermined portion of the scaffold via a pin connector. The other end portion is a free end, and is located adjacent to the first end portion and is composed of one or more elongated members, and one end portion of the scaffold is A truss-type steel tower connecting the second end of the second connecting member, which is rotatably attached to a predetermined location via a pin connector, the other end being a free end, and the first and second connecting members A fixing tool for fixing to the desired member, and the free ends of the first and second connecting members are selectively fixed to and unlocked from the desired member of the truss tower by the fixing tool. It is specially configured to It is an.

本願請求項4に記載のトラス式鉄塔建設・補修工事用つなぎ装置は、前記請求項1から請求項3までのいずれか1項の装置において、前記第1のつなぎ材および前記第2のつなぎ材の前記横断部材又は前記足場の所定箇所への取り付けが、垂直方向、水平方向、斜め上方向、又は斜め下方向に回転可能なものであることを特徴とするものである。   A connecting device for truss tower construction / repair work according to claim 4 of the present application is the device according to any one of claims 1 to 3, wherein the first connecting material and the second connecting material. The mounting of the cross member or the scaffold to a predetermined position is rotatable in the vertical direction, the horizontal direction, the diagonally upward direction, or the diagonally downward direction.

本願請求項5に記載のトラス式鉄塔建設・補修工事用つなぎ装置は、前記請求項1から請求項4までのいずれか1項の装置において、前記トラス式鉄塔が、無線鉄塔、送電鉄塔、各種アンテナの支持用鉄塔、煙突支持用鉄塔、気象観測用鉄塔、消防用鉄塔のいずれかであることを特徴とするものである。   The connecting device for truss tower construction / repair work according to claim 5 of the present application is the apparatus according to any one of claims 1 to 4, wherein the truss tower is a radio tower, a power transmission tower, It is any one of an antenna supporting tower, a chimney supporting tower, a weather observation tower, and a fire fighting tower.

本願請求項6に記載の、前記請求項1から請求項5までのいずれか1項に記載されたつなぎ装置を用した移動昇降式足場によるトラス式鉄塔の建設・補修方法は、昇降する足場となる作業用ステージ、及び前記作業用ステージが昇降する際のガイドレールとなるマストを有する移動昇降式足場を準備する第1段階と、前記作業用ステージを上昇させ、前記鉄塔の上端近傍まで所定高さのところで、前記つなぎ装置を介して前記マストと前記鉄塔の所望の部材とをそれぞれ接続する第2段階と、前記トラス式鉄塔の下方から上端近傍まで前記作業ステージを順次上昇させて建設又は補修作業を行う第3段階と、前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除して前記作業を行う第4段階と、前記作業が完了後、前記つなぎ装置および前記マストを逐次取り外しながら、前記作業用ステージを地上まで下降させる第5段階とを含むことを特徴とするものである。   The construction / repair method of the truss type steel tower by the movable lifting / lowering scaffold using the tethering device according to any one of claims 1 to 5 according to claim 6 is as follows: A first stage of preparing a movable lifting scaffold having a working stage and a mast that serves as a guide rail when the working stage is raised and lowered, and raising the working stage to a predetermined height near the upper end of the steel tower By the way, a second stage of connecting the mast and a desired member of the tower via the connecting device, and the work stage is sequentially raised from the bottom of the truss tower to the vicinity of the upper end for construction or repair. A third stage of performing the work, and selectively fixing or unfixing the free ends of the first and second connecting members to a desired member of the truss tower using the fixing tool. A fourth step of performing work, after the work is completed, while sequentially remove the connecting device and the mast and is characterized in that it comprises a fifth step of lowering the working stage to the ground.

本発明のつなぎ装置によれば、塗装工事において第1のつなぎ材の自由端と第2のつなぎ材の自由端の固定を交互に解除することにより、移動昇降式足場のトラス式鉄塔への支持を確保しつつ、ダメ直しがなくなり、効率的な塗装作業が可能になる。本発明のつなぎ装置は、比較的簡単な構成であるため、低コストで提供することができる。また、第1および第2のつなぎ材を横断部材から取り外し可能にすることより、取り外した部材を他の用途に転用できる他、ピン接合で回転させて盛替えるのが困難な事態であっても迅速に対処可能となる。また、本発明のつなぎ装置を使用した建設・補修方法では、組立及び解体に要する時間を大幅に短縮することができるとともに、移動昇降式足場の使用により、安全性を向上させることができ、クレーンを使用しなくとも施工することができる。さらに、本発明のつなぎ装置および本発明のつなぎ装置を使用した建設・補修方法により、良好な施工性が得られ、施工効率の向上を図ることができる。   According to the tethering device of the present invention, the free lifting end of the first tethering member and the free end of the second tethering member are alternately released in the painting work, thereby supporting the movable elevating scaffold to the truss tower. This ensures no damage and eliminates the need for repairs and enables efficient painting work. Since the connecting device of the present invention has a relatively simple configuration, it can be provided at low cost. In addition, since the first and second connecting members can be removed from the transverse member, the removed member can be diverted to other uses, and even if it is difficult to rotate and refill by pin joining. It can be dealt with quickly. Moreover, in the construction / repair method using the tethering device of the present invention, the time required for assembly and disassembly can be greatly shortened, and the safety can be improved by using the movable lifting type scaffolding. Construction can be done without using. Furthermore, by the construction device and repair method using the joining device of the present invention and the joining device of the present invention, good workability can be obtained and construction efficiency can be improved.

本発明の好ましい実施の形態に係るトラス式鉄塔建設・補修工事用つなぎ装置を示した斜視図である。[BRIEF DESCRIPTION OF THE DRAWINGS] It is the perspective view which showed the linkage apparatus for truss type steel tower construction and repair work concerning preferable embodiment of this invention. 図2(a)は、つなぎ装置とマストとの接続部を示した側面図、図2(b)は、図2(a)の線2b−2bに沿って見た図である。Fig.2 (a) is the side view which showed the connection part of a joining apparatus and a mast, FIG.2 (b) is the figure seen along line 2b-2b of Fig.2 (a). 図3(a)は、図2(b)の部分3aの拡大図、図3(b)は、図3(a)の線3b−3bに沿って見た図である。3A is an enlarged view of the portion 3a of FIG. 2B, and FIG. 3B is a view taken along line 3b-3b of FIG. 3A. 図1のつなぎ装置を用いて工事が行われるトラス式鉄塔を示した全体図である。It is the whole figure which showed the truss type steel tower in which construction is performed using the connecting apparatus of FIG. 図4の部分5の拡大図である。It is an enlarged view of the part 5 of FIG. 図6(a)および(b)は、移動昇降式足場の細部を示した図である。FIGS. 6A and 6B are views showing details of the movable lifting scaffold. 図1のつなぎ装置の使用手順の一例を示した図である。It is the figure which showed an example of the use procedure of the connection apparatus of FIG. 図8(a)は、つなぎ装置の変形形態を示した平面図、図8(b)および(c)は、つなぎ装置の別の変形形態を示した図である。Fig.8 (a) is the top view which showed the modification of the joining apparatus, FIG.8 (b) and (c) are the figures which showed another modification of the joining apparatus.

次に図面を参照して、本発明の好ましい実施の形態に係るトラス式鉄塔(以下、単に「鉄塔」という)建設・補修工事用つなぎ装置(以下、単に「つなぎ装置」という)について詳細に説明する。図1において全体として参照符号10で示される本発明の好ましい実施の形態に係るつなぎ装置は、第1のつなぎ材12と、第2のつなぎ材14とを備えている。   Next, with reference to the drawings, a truss type tower (hereinafter simply referred to as “steel tower”) construction / repair work linkage device (hereinafter simply referred to as “linkage device”) according to a preferred embodiment of the present invention will be described in detail. To do. A connecting device according to a preferred embodiment of the present invention, indicated as a whole by the reference numeral 10 in FIG. 1, includes a first connecting member 12 and a second connecting member 14.

第1のつなぎ材12は、ほぼ平行に配置された一対の細長い部材12a、12bによって構成されている。各部材12a、12bは、一方の端部12a1、12b1が部材12a、12bに対して実質的に直交するように配置された横断部材16に回転可能に取り付けられており、他方の端部12a2、12b2が自由端となっている。   The first tether 12 is composed of a pair of elongate members 12a and 12b arranged substantially in parallel. Each member 12a, 12b is rotatably attached to a transverse member 16 disposed so that one end 12a1, 12b1 is substantially perpendicular to the member 12a, 12b, and the other end 12a2, 12b2 is a free end.

第2のつなぎ材14も、第1のつなぎ材12と同様に、ほぼ平行に配置された一対の細長い部材14a、14bによって構成されている。そして、各部材14a、14bは、一方の端部14a1、14b1が部材14a、14bに対して実質的に直交するように配置された横断部材16に回転可能に取り付けられており、他方の端部14a2、14b2が自由端となっている。   Similarly to the first tie material 12, the second tie material 14 is also composed of a pair of elongated members 14 a and 14 b arranged substantially in parallel. And each member 14a, 14b is rotatably attached to the crossing member 16 arrange | positioned so that one edge part 14a1, 14b1 may be substantially orthogonal with respect to member 14a, 14b, and the other edge part 14a2 and 14b2 are free ends.

第2のつなぎ材14は、図1に示されるように、第1のつなぎ材12に隣接して(すなわち、部材14aが部材12aのすぐ外側に、部材14bが部材12bのすぐ外側に)配置されている。   The second tether 14 is disposed adjacent to the first tether 12 (ie, member 14a is just outside member 12a and member 14b is just outside member 12b), as shown in FIG. Has been.

なお、第1および第2のつなぎ材12、14を構成する各部材は、円形パイプとして図示されているが、他の適当な部材(例えば、角パイプ、丸棒、角棒、各種型鋼など)を使用してもよい。また、第1および第2のつなぎ材12、14の横断部材16への回転可能な取り付けには、ピン接合が可能な専用部材18を準備して使用してもよいし、ピン接合が可能な市販のクランプを使用してもよい。   In addition, although each member which comprises the 1st and 2nd joining materials 12 and 14 is illustrated as a circular pipe, other suitable members (for example, a square pipe, a round bar, a square bar, various steel shapes, etc.) May be used. In addition, for the rotatable attachment of the first and second connecting members 12 and 14 to the cross member 16, a dedicated member 18 capable of pin joining may be prepared and used, or pin joining is possible. Commercially available clamps may be used.

つなぎ装置10はまた、第1および第2のつなぎ材12、14の自由端を鉄塔の所望の部材に固定するための固定具19を備えている。固定具19としては、専用の固定具を準備して使用してもよいし、市販のガードクランプを使用してもよい。なお、固定具19の使用に際して固定具19により鉄塔の部材が傷付けられることのないように、固定具19と鉄塔の部材の表面との間に、保護パッド19aを挿入するのが好ましい。保護パッド19aとしては、例えば、鉄板をコの字形に形作り、コの字形の内側に弾性材料(ゴム等)を貼ったもの等が使用される。   The connecting device 10 also includes a fixture 19 for fixing the free ends of the first and second connecting members 12 and 14 to a desired member of the tower. As the fixture 19, a dedicated fixture may be prepared and used, or a commercially available guard clamp may be used. It is preferable to insert a protective pad 19a between the fixture 19 and the surface of the tower member so that the fixture 19 does not damage the tower member when the fixture 19 is used. As the protective pad 19a, for example, an iron plate formed into a U shape and an elastic material (rubber or the like) attached to the inside of the U shape is used.

次に、図4に示されるようなトラス式の無線鉄塔の構成部材(柱材、水平材、ブレース材など)の塗装工事を行う場合を例にとり、つなぎ装置10を使用した工事の手順について説明する。   Next, the construction procedure using the connecting device 10 will be described, taking as an example the case where the construction work (the pillar material, the horizontal material, the brace material, etc.) of the truss type radio tower as shown in FIG. 4 is performed. To do.

工事には、図5に示されるような移動昇降式足場20を使用する。この移動昇降式足場20自体は公知の装置であり、昇降する足場となる作業用ステージ22と、作業用ステージ22が昇降する際のガイドレールとなる四角筒形状のマスト24とを有している。マスト24は、所定長さのものを順次上端にボルト等で継ぎ足して所要高さを確保するようになっている。作業用ステージ22には、図6(a)に示されるように、モータ(図示せず)およびモータによって駆動されるピニオンギア22aが配置され、マスト24の一面には、ピニオンギア22aに噛み合うラック24aが配置されており、モータを作動させてピニオンギア22aを回転させることにより、ピニオンギア22aとラック24aとの噛み合わせにより作業用ステージ22を昇降させるように構成されている。なお、作業用ステージ22の昇降を安定的に行うため、マスト24の隅部に接するガイドローラ22bが設けられている(図6(b)参照)。   For the construction, a movable elevating scaffold 20 as shown in FIG. 5 is used. This movable lifting type scaffold 20 itself is a known device, and has a working stage 22 that serves as a scaffold for raising and lowering, and a square cylindrical mast 24 that serves as a guide rail when the working stage 22 moves up and down. . The mast 24 has a predetermined length and is sequentially added to the upper end with a bolt or the like to secure a required height. 6A, a motor (not shown) and a pinion gear 22a driven by the motor are arranged on the work stage 22, and a rack that meshes with the pinion gear 22a on one surface of the mast 24. 24a is arranged, and the work stage 22 is moved up and down by meshing the pinion gear 22a and the rack 24a by operating the motor to rotate the pinion gear 22a. A guide roller 22b that contacts the corner of the mast 24 is provided in order to stably move the work stage 22 up and down (see FIG. 6B).

まず最初に、移動昇降式足場20を準備し、地上から作業用ステージ22を上昇させ、所定高さのところで、つなぎ装置10を介して、マスト24と鉄塔の所望の部材とを接続する。このようにして、鉄塔の上端近傍の箇所まで、つなぎ装置10及びマスト24を設置する。   First, the movable lifting type scaffold 20 is prepared, the work stage 22 is raised from the ground, and the mast 24 and a desired member of the steel tower are connected via the connecting device 10 at a predetermined height. In this way, the connecting device 10 and the mast 24 are installed up to a location near the upper end of the steel tower.

つなぎ装置10は、マスト24に設けられているつなぎステー26に横断部材16を固定することによって設置される。横断部材16のつなぎステー26への固定は、締結具(クランプ)を用いて行われる。横断部材16をつなぎステー26に固定した後、横断部材16に第1および第2のつなぎ材12、14をピン接合する。そして、第1のつなぎ材12の自由端及び/又は第2のつなぎ材14の自由端を鉄塔の所望の部材に固定具19を用いて固定することによって、鉄塔と移動昇降式足場20がつなぎ装置10を介して接続されることとなる。   The tethering device 10 is installed by fixing the cross member 16 to a tether stay 26 provided on the mast 24. The cross member 16 is fixed to the connecting stay 26 using a fastener (clamp). After the cross member 16 is fixed to the connecting stay 26, the first and second connecting members 12, 14 are pin-connected to the cross member 16. Then, the free end of the first connecting member 12 and / or the free end of the second connecting member 14 is fixed to a desired member of the steel tower using the fixture 19, thereby connecting the steel tower and the movable lifting scaffold 20. It will be connected via the device 10.

図2(a)、図2(b)、図3(a)、及び図3(b)は、つなぎ装置10を介したマスト24と鉄塔との接続部の一例を示した図である。   FIGS. 2A, 2 </ b> B, 3 </ b> A, and 3 </ b> B are diagrams illustrating an example of a connection portion between the mast 24 and the steel tower via the connecting device 10.

以上のようにしてつなぎ装置10及びマスト24を設置した後、鉄塔の下方から上端近傍まで作業ステージ22を順次上昇させ、作業ステージ22上から塗装作業を行う。   After the connecting device 10 and the mast 24 are installed as described above, the work stage 22 is sequentially raised from below the tower to the vicinity of the upper end, and the painting work is performed from the work stage 22.

その際、図7に示されるように、第1のつなぎ材12の自由端と第2のつなぎ材14の自由端の固定解除を交互に行うことにより、マスト24の支持を確保しつつ、ダメ直しのない円滑な塗装作業を実施することができる。すなわち、図7(a)において、第1のつなぎ材12の自由端を鉄塔の水平材(L型鋼等)に固定する。この状態で、第2のつなぎ材14の自由端が固定される水平材の箇所の塗装を行う。次いで、図7(b)において、第2のつなぎ材14の自由端を下方に回転させ、第1のつなぎ材12と同様に第2のつなぎ材14も水平材に固定する。次いで、図7(c)において、第2のつなぎ材14の自由端を鉄塔の水平材に固定しつつ、第1のつなぎ材12を固定解除して自由端を上方に回転させ、第1のつなぎ材12の自由端が固定される水平材の箇所の塗装を行う。このような手順を繰り返すことにより、マスト24の支持と円滑な塗装作業の両方を確実に実施することができる。   At that time, as shown in FIG. 7, the free end of the first tether 12 and the free end of the second tether 14 are alternately released, thereby ensuring the support of the mast 24 and preventing damage. Smooth painting without repairs can be carried out. That is, in Fig.7 (a), the free end of the 1st connection material 12 is fixed to the horizontal material (L-shaped steel etc.) of a steel tower. In this state, the portion of the horizontal member to which the free end of the second connecting member 14 is fixed is applied. Next, in FIG. 7B, the free end of the second connecting member 14 is rotated downward, and the second connecting member 14 is fixed to the horizontal member in the same manner as the first connecting member 12. Next, in FIG. 7C, while fixing the free end of the second connecting member 14 to the horizontal member of the steel tower, the first connecting member 12 is unfixed and the free end is rotated upward. The portion of the horizontal member to which the free end of the connecting member 12 is fixed is painted. By repeating such a procedure, both the support of the mast 24 and a smooth painting operation can be reliably performed.

塗装作業が全て完了すると、つなぎ装置10およびマスト24を逐次取り外しながら、作業用ステージ22を地上まで下降させ、工事が終了する。   When all the painting operations are completed, the work stage 22 is lowered to the ground while the connecting device 10 and the mast 24 are sequentially removed, and the construction is completed.

本発明は、以上の発明の実施の形態に限定されることなく、特許請求の範囲に記載された発明の範囲内で、種々の変更が可能であり、それらも本発明の範囲内に包含されるものであることはいうまでもない。   The present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the invention described in the claims, and these are also included in the scope of the present invention. Needless to say, it is something.

たとえば、図8(a)に示されるように、第1のつなぎ材12を構成する一対の細長い部材12a、12b同士を横ぶれ防止材15aで連結し、第2のつなぎ材14を構成する一対の細長い部材14a、14b同士を横ぶれ防止材15bで連結してもよい。   For example, as shown in FIG. 8 (a), a pair of elongated members 12a, 12b constituting the first connecting member 12 are connected to each other by a lateral blur preventing member 15a, and a pair constituting the second connecting member 14. The long and slender members 14a and 14b may be connected to each other by a lateral shake prevention material 15b.

また、第1のつなぎ材12および第2のつなぎ材14を横断部材16から取り外しできるように構成してもよい。図8(b)には、部材12aを回転可能かつ取外し可能に横方向部材16にピン接合するピン接合具18′の一例が示されている。ピン接合具18′は、ねじ18′bでリング18′aを締めつけて部材12aを把持するように構成されており、図8(c)に示されるように、ねじ18′bを緩めてリング18′aを開くことにより、部材12aを容易に取り外すことができるようになっている。このようにすることにより、取り外した材を他の用途に転用し易くなり、解体も容易になるほか、ピン接合で回転させて盛替えるのが困難な事態であっても迅速に対処可能となる。なお、図8(b)および(c)に示される構成は、例示的なものにすぎず、取り外し可能な他の適当な構成を採用してもよい。   Moreover, you may comprise so that the 1st connecting material 12 and the 2nd connecting material 14 can be removed from the crossing member 16. FIG. FIG. 8 (b) shows an example of a pin connector 18 ′ that pins the member 12a to the transverse member 16 so as to be rotatable and removable. The pin connector 18 'is configured to clamp the ring 18'a with a screw 18'b to grip the member 12a. As shown in FIG. 8C, the pin connector 18' loosens the screw 18'b to form a ring. By opening 18'a, the member 12a can be easily removed. By doing so, it becomes easy to divert the removed material to other uses, and disassembly is facilitated, and even when it is difficult to rotate and refill by pin joining, it can be dealt with quickly. . The configurations shown in FIGS. 8B and 8C are merely exemplary, and other appropriate configurations that can be removed may be employed.

また、前記実施の形態では、第1のつなぎ材12、第2のつなぎ材14がそれぞれ2本の細長い部材で構成されているが、第1のつなぎ材12、第2のつなぎ材14がそれぞれ3本以上の細長い部材で構成されるようにしてもよいし、軽微な接続で足りる場合には、第1のつなぎ材12、第2のつなぎ材14がそれぞれ1本の細長い部材で構成されるようにしてもよい。また、前記実施の形態では、第1のつなぎ材12、第2のつなぎ材14の自由端が垂直方向に回転するように構成されているが、水平方向に回転するように構成してもよいし、斜め上方向又は斜め下方向に回転するように構成してもよい。   Moreover, in the said embodiment, although the 1st connecting material 12 and the 2nd connecting material 14 are each comprised by two elongate members, the 1st connecting material 12 and the 2nd connecting material 14 are each It may be configured by three or more elongated members. When a light connection is sufficient, the first connecting member 12 and the second connecting member 14 are each formed by one elongated member. You may do it. Moreover, in the said embodiment, although the free end of the 1st connecting material 12 and the 2nd connecting material 14 is comprised so that it may rotate to a perpendicular direction, you may comprise so that it may rotate to a horizontal direction. However, it may be configured to rotate in an obliquely upward direction or an obliquely downward direction.

また、前記実施の形態では、第1のつなぎ材12、第2のつなぎ材14が横断部材16に回転可能に取り付けられているが、第1のつなぎ材12、第2のつなぎ材14を、横断部材16を用いずに、足場の所定箇所に回転可能に取り付けてもよい。   Moreover, in the said embodiment, although the 1st joining material 12 and the 2nd joining material 14 are rotatably attached to the crossing member 16, the 1st joining material 12 and the 2nd joining material 14 are Instead of using the cross member 16, it may be rotatably attached to a predetermined location of the scaffold.

さらに、前記実施の形態では、トラス式の無線鉄塔の外壁の塗装工事に関連して工事の手順が説明されているが、送電鉄塔、各種アンテナの支持用鉄塔、化学プラント等の煙突支持用鉄塔、気象観測用鉄塔、消防用鉄塔などの他のトラス式鉄塔の建設・補修工事に使用してもよい。また、建設・補修工事において図5に示される移動昇降式足場20と異なる型式の足場を使用してもよい。   Furthermore, in the said embodiment, although the procedure of construction is demonstrated regarding the painting construction of the outer wall of a truss type radio tower, chimney support towers, such as a power transmission tower, various antenna support towers, a chemical plant, etc. It may be used for construction / repair work of other truss towers such as weather observation towers and fire towers. Further, a different type of scaffolding from the movable lifting scaffold 20 shown in FIG. 5 may be used in construction / repair work.

10 つなぎ装置
12 第1のつなぎ材
12a、12b 細長い部材
12a1、12b1 細長い部材の回転端
12a2、12b2 細長い部材の自由端
14 第2のつなぎ材
14a、14b 細長い部材
14a1、14b1 細長い部材の回転端
14a2、14b2 細長い部材の自由端
15a、15b 横ぶれ防止材
16 横断部材
18 ピン接合具
19 固定具
19a 保護パッド
20 移動昇降式足場
22 作業用ステージ
22a ピニオンギア
22b ガイドローラ
24 マスト
24a ラック
26 つなぎステー
10 tethering device 12 first tether 12a, 12b elongate member 12a1, 12b1 elongate member rotating end 12a2, 12b2 elongate member free end 14 second tether 14a, 14b elongate member 14a1, 14b1 elongate member rotating end 14a2 , 14b2 Free ends 15a and 15b of the elongated member 16 Crossing prevention member 16 Transverse member 18 Pin joint 19 Fixing device 19a Protective pad 20 Moving lift scaffold 22 Work stage 22a Pinion gear 22b Guide roller 24 Mast 24a Rack 26 Linking stay

Claims (6)

トラス式鉄塔建設・補修工事用つなぎ装置であって、
1又は複数の細長い部材によって構成され、一方の端部が前記細長い部材に対して実質的に直交するように配置された横断部材にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第1のつなぎ材と、
前記第1のつなぎ材に隣接して位置し、1又は複数の細長い部材によって構成され、一方の端部が前記横断部材にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第2のつなぎ材と、
前記第1および第2のつなぎ材の前記自由端をトラス式鉄塔の所望の部材に固定するための固定具とを備え、
前記横断部材を足場の所定箇所に取り付け、前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除したりするように構成されていることを特徴とする壁つなぎ装置。
A connecting device for truss-type steel tower construction and repair work,
One end of the elongate member is rotatably attached to the transverse member, with one end disposed substantially perpendicular to the elongate member, and the other end. A first tether with a free end;
Located adjacent to the first tether, is composed of one or more elongate members, one end is rotatably attached to the transverse member via a pin connector, and the other end is free A second tether at the end,
A fixture for fixing the free ends of the first and second connecting members to desired members of the truss tower,
The transverse member is attached to a predetermined position of the scaffold, and the free ends of the first and second connecting members are selectively fixed to or unlocked from a desired member of the truss tower by the fixing tool. A wall connecting device characterized by being configured.
前記第1のつなぎ材を構成する前記細長い部材の前記一方の端部を、前記横断部材から取り外すことができ、前記第2のつなぎ材を構成する前記細長い部材の前記一方の端部を、前記横断部材から取り外すことができるように構成されていることを特徴とする請求項1に記載された壁つなぎ装置。   The one end of the elongate member constituting the first tether can be removed from the transverse member, and the one end of the elongate member constituting the second tether is 2. The wall joining apparatus according to claim 1, wherein the wall joining apparatus is configured to be removable from the cross member. トラス式鉄塔建設・補修工事用つなぎ装置であって、
1又は複数の細長い部材によって構成され、一方の端部が足場の所定箇所にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第1のつなぎ材と、
前記第1のつなぎ材に隣接して位置し、1又は複数の細長い部材によって構成され、一方の端部が前記足場の所定箇所にピン接合具を介して回転可能に取り付けられ、他方の端部が自由端となっている第2のつなぎ材と、
前記第1および第2のつなぎ材の前記自由端をトラス式鉄塔の所望の部材に固定するための固定具とを備え、
前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除したりするように構成されていることを特徴とする壁つなぎ装置。
A connecting device for truss-type steel tower construction and repair work,
A first binder composed of one or more elongated members, one end of which is rotatably attached to a predetermined position of the scaffold via a pin connector, and the other end is a free end;
Located adjacent to the first tether, is composed of one or more elongate members, one end is rotatably attached to a predetermined location of the scaffold via a pin connector, and the other end A second tether with a free end,
A fixture for fixing the free ends of the first and second connecting members to desired members of the truss tower,
A wall joint characterized in that the free ends of the first and second joint members are configured to be selectively secured to or unlocked from a desired member of a truss tower by the fixture. apparatus.
前記第1のつなぎ材および前記第2のつなぎ材の前記横断部材又は前記足場の所定箇所への取り付けが、垂直方向、水平方向、斜め上方向、又は斜め下方向に回転可能なものであることを特徴とする請求項1から請求項3までのいずれか1項に記載されたつなぎ装置。   Attachment of the first tie material and the second tie material to the predetermined part of the cross member or the scaffold can be rotated in a vertical direction, a horizontal direction, a diagonally upward direction, or a diagonally downward direction. The tethering device according to any one of claims 1 to 3, characterized in that: 前記トラス式鉄塔が、無線鉄塔、送電鉄塔、各種アンテナの支持用鉄塔、煙突支持用鉄塔、気象観測用鉄塔、消防用鉄塔のいずれかであることを特徴とする請求項1から請求項4までのいずれか1項に記載されたつなぎ装置。   The truss tower is any one of a radio tower, a transmission tower, a supporting tower for various antennas, a chimney supporting tower, a meteorological observation tower, and a fire fighting tower. A tethering device described in any one of the above. 前記請求項1から請求項5までのいずれか1項に記載されたつなぎ装置を使用した移動昇降式足場によるトラス式鉄塔の建設・補修方法であって、
昇降する足場となる作業用ステージ、及び前記作業用ステージが昇降する際のガイドレールとなるマストを有する移動昇降式足場を準備する第1段階と、
前記作業用ステージを上昇させ、前記鉄塔の上端近傍まで所定高さのところで、前記つなぎ装置を介して前記マストと前記鉄塔の所望の部材とをそれぞれ接続する第2段階と、
前記トラス式鉄塔の下方から上端近傍まで前記作業ステージを順次上昇させて建設又は補修作業を行う第3段階と、
前記第1および第2のつなぎ材の前記自由端を前記固定具によってトラス式鉄塔の所望の部材に選択的に固定したり固定解除して前記作業を行う第4段階と、
前記作業が完了後、前記つなぎ装置および前記マストを逐次取り外しながら、前記作業用ステージを地上まで下降させる第5段階と、
を含むことを特徴とする方法。
A construction / repair method for a truss-type steel tower using a movable lifting scaffold using the tethering device according to any one of claims 1 to 5,
A first stage of preparing a working stage as a scaffold for raising and lowering, and a movable lifting scaffold having a mast as a guide rail when the working stage ascends and descends;
A second stage of raising the working stage and connecting the mast and a desired member of the tower via the connecting device at a predetermined height to the vicinity of the upper end of the tower,
A third stage in which construction work or repair work is performed by sequentially raising the work stage from below the truss tower to near the upper end;
A fourth stage in which the free ends of the first and second connecting members are selectively fixed to or unlocked from a desired member of a truss tower by the fixing tool, and the operation is performed.
A fifth stage of lowering the working stage to the ground while sequentially removing the connecting device and the mast after the work is completed;
A method comprising the steps of:
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