JP3909498B2 - Aircraft - Google Patents

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JP3909498B2
JP3909498B2 JP2004171146A JP2004171146A JP3909498B2 JP 3909498 B2 JP3909498 B2 JP 3909498B2 JP 2004171146 A JP2004171146 A JP 2004171146A JP 2004171146 A JP2004171146 A JP 2004171146A JP 3909498 B2 JP3909498 B2 JP 3909498B2
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suspension
transmission line
sign
pulley
power transmission
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JP2005354783A (en
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八郎 辻
時平 長屋
貴夫 河野
潤 篠崎
雅晴 中川
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エイト工業株式会社
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Description

本発明は、鉄塔上に架設される送電線への標識の取付作業、及び取付状態（取付後）における送電線の保守点検作業に際して、標識の取付された送電線が単導線又は複導線であっても、その送電線を走行移動可能な宙乗機に関する。   In the present invention, when the sign is attached to the transmission line laid on the steel tower, and the maintenance and inspection work of the transmission line in the attached state (after attachment), the transmission line to which the sign is attached is a single conductor or a double conductor. However, the present invention relates to a spacecraft that can travel along the power transmission line.

一般に送電線や通信ケーブルその他の架空ケーブルその他の保守点検作業においては、所謂「宙乗機」が使用される（例えば、特許文献１参照）。   In general, a so-called “sider” is used in maintenance and inspection work for power transmission lines, communication cables, and other overhead cables (see, for example, Patent Document 1).

この特許文献１に記載の宙乗機は、１個の横桁の両端に、滑車の枠を介してそれぞれ設けた、架空吊り線上を回転移動する２個の滑車と、前記滑車の枠に着脱自在に設けた背バンドと、前記横桁の中央部の下に垂直に設けた１本の支柱と、該支柱がほぼ中心になる位置に支柱に直角に取り付けて支柱と一体とした腰掛板とからなり、これにより、作業者が乗った状態のまま１本のケーブルに沿って走行移動することができるのである。
実開平１−９０２１２号公報 The air hoist described in Patent Document 1 is provided with two pulleys that are provided at both ends of one cross beam via a pulley frame, respectively, that rotate and move on an aerial suspension line, and is attached to and detached from the pulley frame. A freely provided back band, a single support vertically provided below the central portion of the cross beam, and a seating plate that is attached to the support at a right angle at a position where the support is substantially centered and integrated with the support Thus, it is possible to travel along a single cable while the worker is on the board.
Japanese Utility Model Publication No. 1-90212

ここで、航空機の着陸時や、ヘリコプターの飛行時においては、主要道路や河川等を目印とすることが多い。しかしながら、送電線が地面等の色と同化してしまい見えにくいことがあり、事故等の原因となっている。このため、送電線に標識を設けることによって、送電線の存在を報知し、航空機の着陸安全や、ヘリコプターの飛行安全を図ることが検討されている。なお、標識は、航空機やヘリコプターから視認することが可能なように、半径５０ｃｍ程度であって、発光機能を備えていることが望ましい。   Here, when landing an aircraft or flying a helicopter, the main roads and rivers are often used as landmarks. However, the transmission line may be assimilated with the color of the ground and the like, which may be difficult to see, causing an accident or the like. For this reason, it is considered to provide a sign on the power transmission line so as to notify the existence of the power transmission line, and to ensure landing safety of the aircraft and flight safety of the helicopter. In addition, it is desirable that the sign has a radius of about 50 cm and has a light emitting function so that the sign can be visually recognized from an aircraft or a helicopter.

しかしながら、従来技術である特許文献１に記載の宙乗機では、標識が設けられている送電線を走行移動することができないという不具合があった。特に、送電線が単導線である場合には、鉄塔から鉄塔へ移動すること自体ができないという不具合があった。   However, the conventional air hoist described in Patent Document 1 has a problem that it cannot travel on a power transmission line provided with a sign. In particular, when the power transmission line is a single conductor, there is a problem that it is impossible to move from the steel tower to the steel tower itself.

そこで案出されたのが本発明であって、本発明は、送電線への取付作業時又は取付状態（取付後）における保守点検作業時においても、かかる標識を安全に通過しながら送電線を走行移動することができる宙乗機を提供することを目的としている。   Therefore, the present invention has been devised, and the present invention can be applied to a power transmission line while safely passing through such a sign even during installation work on the power transmission line or during maintenance inspection work after installation (after installation). The purpose is to provide a spacecraft that can travel and move.

かかる目的を達成するために特許請求の範囲に記載の宙乗機は、鉄塔上に架設され且つ標識が設けられている送電線を走行移動可能であって、前記送電線に間隔を空けて懸垂する少なくとも三本の懸垂部材と、該懸垂部材の先端部に設けられるとともに前記懸垂部材を前記送電線に転動可能に係止させる滑車部材と、該懸垂部材相互を連結する連結部材とを備えており、前記懸垂部材には夫々、該懸垂部材及び該懸垂部材の先端部に設けられる滑車部材が標識を通過する際に該標識と干渉しない位置まで退避させる退避部材が設けられており、該退避部材によって常に二本の懸垂部材が懸垂した状態で標識を通過することができることを特徴としている。   In order to achieve such an object, the air hoist described in the claims is capable of traveling on a power transmission line that is built on a steel tower and provided with a sign, and is suspended from the power transmission line with an interval. And at least three suspension members, a pulley member that is provided at a distal end of the suspension member and that locks the suspension member to the power transmission line, and a connecting member that connects the suspension members to each other. Each of the suspension members is provided with a retraction member that retracts to a position where the suspension member and a pulley member provided at a tip of the suspension member do not interfere with the sign when passing through the sign, The retraction member can always pass the sign while the two suspension members are suspended.

かかる構成を有するので、宙乗機が標識に近づいた場合には、標識に一番近い懸垂部材に形成された退避部材により、該懸垂部材及びその先端部の滑車部材を標識と干渉しないように退避させ、次に、２番目に近い懸垂部材に形成された退避部材により、該懸垂部材及びその先端部の滑車部材を標識と干渉しないように退避させる。これを繰り返すことによって、標識が設けられている送電線であっても、標識を通過して走行移動することが可能となる。   With this configuration, when the air hoist approaches the sign, the retracting member formed on the suspension member closest to the sign prevents the suspension member and the pulley member at the tip of the suspension member from interfering with the sign. Next, the suspension member formed on the second closest suspension member is retracted so as not to interfere with the sign. By repeating this, even a power transmission line provided with a sign can travel and travel through the sign.

特許請求の範囲に記載の宙乗機によれば、該宙乗機が走行移動する送電線に標識が設けられていても、退避部材により常に二本の懸垂部材が懸垂した状態で標識を通過することが可能であり、ひいては、その標識を安全に通過して走行移動することができるという効果がある。   According to the suspension machine described in the claims, even if a sign is provided on the power transmission line on which the rider travels, the retraction member always passes through the sign while the two suspension members are suspended. As a result, there is an effect that the sign can be safely passed and traveled.

以下、添付図面を参照して、本発明の好適な実施の形態の例（実施例）について説明する。勿論、下記実施例は、本発明の好適な実施例を示すに過ぎず、本発明の技術的範囲は、下記実施例に何ら限定されるものではない。
（第１実施例）
図１は、本発明の第１の実施例（第１実施例）である宙乗機１００の平面図である。本発明の宙乗機１００は、図２に示すように、鉄塔Ａ上に架設される送電線Ｂに標識Ｃが設けられていても、この標識Ｃを安全に通過して送電線Ｂを走行移動することが可能なものである。 Hereinafter, examples (examples) of preferred embodiments of the present invention will be described with reference to the accompanying drawings. Of course, the following examples are merely preferred examples of the present invention, and the technical scope of the present invention is not limited to the following examples.
(First embodiment)
FIG. 1 is a plan view of a spacecraft 100 according to a first embodiment (first embodiment) of the present invention. As shown in FIG. 2, the air hoist 100 of the present invention travels through the transmission line B safely passing through the sign C even if the sign C is provided on the transmission line B installed on the steel tower A. It is possible to move.

宙乗機１００は、送電線Ｂに間隔を空けて懸垂する三本の懸垂部材１１０，…，１１０と、該懸垂部材１１０の先端部に夫々設けられるとともに懸垂部材１１０を送電線Ｂに転動可能に係止させる滑車部材１２０，…，１２０と、三本の懸垂部材１１０，…，１１０を相互に連結するとともに、作業者の座席部を構成する板状の連結部材１３０と、宙乗機１００の走行移動を停止するためのブレーキ部材１４０（中央の懸垂部材１１０に設けられる）と、停止中における宙乗機１００の不用意な移動を規制する移動規制部材１５０（両端の懸垂部材１１０，１１０に設けられる）と、連結部材１３０即ち座席の高さ位置を調整する座席高さ調整部材１６０と、作業者の背もたれを構成するために隣合う懸垂部材１１０，１１０間に架設されるとともに他の隣合う懸垂部材１１０，１１０間に付替え可能な背もたれ部材１７０と、作業者の足置き板を構成する足置き板材１９０とを備えている。ここで、座席高さ調整部材１６０は、懸垂部材１１０と一体的に構成されており、ボルト位置を調整することにより、連結部材１３０の高さ位置を調整することが可能となる。また、各滑車部材１２０には、不用意な脱落を防止するための脱落防止部材１２１が設けられており（図１（ｂ）参照。ブレーキ部材１４０は省略）、必要時（標識Ｃの通過時）には、解除される（図１（ｃ）参照。ブレーキ部材１４０は省略）。なお、懸垂部材１１０及びその先端部に設けられる滑車部材１２０は、三本以上であれば、何本設けられていても良い。   The air hoist 100 is provided with three suspension members 110,..., 110 suspended from the power transmission line B at intervals, and the suspension member 110 rolls to the power transmission line B while being provided at the tip of the suspension member 110, respectively. The pulley members 120,..., 120 that can be locked and the three suspension members 110,..., 110 are connected to each other, and the plate-like connection member 130 that constitutes the seat portion of the operator, 100 for stopping the traveling movement of 100 (provided in the central suspension member 110), and a movement regulating member 150 for restricting inadvertent movement of the air hoist 100 during the suspension (the suspension members 110 at both ends). 110), and the connecting member 130, that is, the seat height adjusting member 160 for adjusting the height position of the seat, and the adjacent suspension members 110, 110 for constructing the back of the operator. Together provided with a Tsukegae backrest member 170 between other adjacent suspension members 110 and 110, and a footrest plate 190 constituting the operator's footrest plate. Here, the seat height adjusting member 160 is configured integrally with the suspension member 110, and the height position of the connecting member 130 can be adjusted by adjusting the bolt position. Each pulley member 120 is provided with a drop-off prevention member 121 for preventing inadvertent drop-out (see FIG. 1B. The brake member 140 is omitted) and when necessary (when the sign C passes). ) Is released (see FIG. 1C, the brake member 140 is omitted). In addition, as long as the suspension member 110 and the pulley member 120 provided in the front-end | tip part are three or more, how many may be provided.

各懸垂部材１１０には夫々、懸垂部材１１０及び該懸垂部材１１０の先端部に設けられる滑車部材１２０が標識Ｃを通過する際に該標識Ｃと干渉しない位置まで退避させる退避部材１８０が設けられている。この退避部材１８０は、滑車部材１２０を係止位置から離隔位置まで上昇させるために懸垂部材１１０を伸張し又は滑車部材１２０を離隔位置から係止位置まで下降させるために懸垂部材１１０を収縮する第１伸縮部１８１と、第１伸縮部１８１により伸張された状態において滑車部材１２０及び懸垂部材１１０を標識Ｃと干渉しない角度まで折り曲げる折曲部１８２とによって構成されている。ここで、第１実施例においては、第１伸縮部１８１が所謂ターンバックル部材により構成される一方、折曲部１８２は連結部材１３０と懸垂部材１１０の回転可能な連結部（例えばリベット止め等）によって構成されている。   Each suspension member 110 is provided with a retraction member 180 that retracts to a position where the suspension member 110 and the pulley member 120 provided at the tip of the suspension member 110 do not interfere with the marker C when passing through the marker C. Yes. The retracting member 180 extends the suspension member 110 to raise the pulley member 120 from the locking position to the separation position, or contracts the suspension member 110 to lower the pulley member 120 from the separation position to the locking position. It is comprised by the 1 expansion-contraction part 181 and the bending part 182 which bends the pulley member 120 and the suspension member 110 to the angle which does not interfere with the label | marker C in the state extended | stretched by the 1st expansion-contraction part 181. Here, in the first embodiment, the first telescopic part 181 is constituted by a so-called turnbuckle member, while the bent part 182 is a rotatable connecting part (for example, riveting etc.) of the connecting member 130 and the suspension member 110. It is constituted by.

以下、図３（ａ）〜（ｌ）を参照して、上記のように構成された宙乗機１００の動作について説明する。鉄塔Ａ上の送電線Ｂに沿って走行移動する宙乗機１００が標識Ｃに近づくと、標識Ｃに一番近い位置の懸垂部材１１０に設けられている退避部材１２１により、懸垂部材１１０を退避させる。   Hereinafter, with reference to FIGS. 3A to 3L, the operation of the spacecraft 100 configured as described above will be described. When the air hoist 100 traveling along the power transmission line B on the tower A approaches the sign C, the suspension member 110 is retracted by the retracting member 121 provided on the suspension member 110 closest to the sign C. Let

具体的には、まず、第１伸縮部１８１であるターンバックル部材を回転させることにより、懸垂部材１１０を伸張する。懸垂部材１１０の伸張後、折曲部１８２を折り曲げることによって、懸垂部材１１０及び滑車部材１２０を標識Ｃと干渉しない位置まで退避させる。   Specifically, first, the suspension member 110 is extended by rotating the turnbuckle member that is the first extendable portion 181. After the suspension member 110 is extended, the bent portion 182 is bent to retract the suspension member 110 and the pulley member 120 to a position where they do not interfere with the marker C.

次に、宙乗機１００を走行させて、二本目の位置の懸垂部材１１０が近づいたら、先ほど折り曲げた懸垂部材１１０を起立させて真っ直ぐに戻した後、第１伸縮部１８１を収縮させて滑車部材１２０を係止させる。   Next, when the suspension device 100 is moved and the suspension member 110 at the second position approaches, the suspension member 110 that has been bent is raised and returned straight, and then the first telescopic portion 181 is contracted to move the pulley. The member 120 is locked.

進行方向先頭に位置する滑車部材１２０を係止させたら、その後、進行方向２番目（本実施例においては、真ん中の）懸垂部材１１０の第１伸縮部１８１を伸張させて、係止状態を解除、即ち、離隔状態とする。すなわち、２番目の懸垂部材１１０についても同様の動作を行う。   After locking the pulley member 120 located at the head in the traveling direction, the first telescopic portion 181 of the suspension member 110 in the second traveling direction (the middle in this embodiment) is extended to release the locked state. That is, it is set as a separated state. That is, the same operation is performed for the second suspension member 110.

以上のように、送電線Ｂに標識Ｃがあっても、常に２本の懸垂部材１１０が係止された状態で走行移動することができる。換言すれば、標識Ｃを安全に通過して、送電線Ｂを安全に走行移動することができる。
（第２実施例）
次に、図４を参照して、上述の実施例（第１実施例）とは別の実施例（第２実施例）の宙乗機２００について説明する。第１実施例の宙乗機１００と同一の部分には、同一の符号を付してその説明を省略し、異なる部分のみを説明する。 As described above, even if the power transmission line B has the mark C, it can travel while the two suspension members 110 are always locked. In other words, the sign C can be safely passed and the power transmission line B can be traveled safely.
(Second embodiment)
Next, with reference to FIG. 4, a description will be given of an air hoist 200 according to another embodiment (second embodiment) different from the above-described embodiment (first embodiment). The same parts as those of the first embodiment 100 will be denoted by the same reference numerals and the description thereof will be omitted, and only different parts will be described.

第２実施例の宙乗機２００は、宙乗機１００に比して、足置き板材１８０が省略されたものである。
（第３実施例）
次に、図５を参照して、上述の実施例（第１及び第２実施例）とは別の実施例（第３実施例）の宙乗機３００について説明する。上述の実施例と同一の部分には、同一の符号を付してその説明を省略し、異なる部分のみを説明する。 Compared to the airborne machine 100, the airborne machine 200 of the second embodiment is such that the footrest plate material 180 is omitted.
(Third embodiment)
Next, with reference to FIG. 5, a description will be given of a spacecraft 300 of an embodiment (third embodiment) different from the above-described embodiments (first and second embodiments). The same parts as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only different parts will be described.

第３実施例の宙乗機３００においては、第１伸縮部３８１及び折曲部１８２により構成される退避部材３８０が懸垂部材１１０に設けられている。第１伸縮部３８１は、滑車部材１２０に連設する部位である連設軸部材３８１ａと、連結部材１３０に連設するとともに連設軸部材３８１ａと係止させる筐体部材３８１ｂと、筐体部材３８１ｂに回転可能に軸着された回転レバー部材３８１ｃと（連設軸部材３８１ａと軸着していない。）、該回転レバー部材３８１ｃと連設軸部材３８１ａとを連結する連結レバー部材３８１ｄとによって構成されている。回転レバー部材３８１ｃを下げると、てこの原理によって連結レバー部材３８１が作用し、連結レバー部材３８１ｃと連設軸部材３８１ｃの固定用凸部３８１ｇが筐体部材３８１ｂに設けられた長孔部３８１ｆを上昇する。すると、連設軸部材３８１ｃの先端部（上端部）に設けられた滑車部材１２０も上昇し、滑車部材１２０の係止状態が解除される（離隔状態とされる）。また、筐体部材３８１ｂに取着されたストッパー部材３８１ｅによって回転レバー部材３８１ｃは、上昇しないようにされている。なお、連設軸部材３８１ｃは、筐体部材３８１ｂ内に配設された図示しない付勢手段（例えば、バネ部材）によって下方に付勢されるようにされても良い。
（第４実施例）
次に、図６及び図７を参照して、上述の実施例（第１〜第３実施例）とは別の実施例（第４実施例）の宙乗機４００について説明する。上述の実施例と同一の部分には、同一の符号を付してその説明を省略し、異なる部分のみを説明する。 In the air hoist 300 according to the third embodiment, the suspension member 380 including the first telescopic part 381 and the bent part 182 is provided on the suspension member 110. The first expansion / contraction portion 381 includes a continuous shaft member 381a that is a portion that is connected to the pulley member 120, a housing member 381b that is connected to the connecting member 130 and is locked to the continuous shaft member 381a, and a housing member Rotating lever member 381c pivotally mounted on 381b (not pivotally connected to connecting shaft member 381a), and connecting lever member 381d connecting the rotating lever member 381c and connecting shaft member 381a. It is configured. When the rotating lever member 381c is lowered, the connecting lever member 381 acts according to the lever principle, and the fixing convex portion 381g of the connecting lever member 381c and the connecting shaft member 381c is formed in the long hole portion 381f provided in the housing member 381b. To rise. Then, the pulley member 120 provided at the distal end portion (upper end portion) of the continuous shaft member 381c is also raised, and the locked state of the pulley member 120 is released (becomes separated). Further, the rotating lever member 381c is prevented from rising by the stopper member 381e attached to the housing member 381b. The continuous shaft member 381c may be biased downward by a biasing means (not shown) (for example, a spring member) disposed in the housing member 381b.
(Fourth embodiment)
Next, with reference to FIG. 6 and FIG. 7, a description will be given of an airborne machine 400 of an embodiment (fourth embodiment) different from the above-described embodiments (first to third embodiments). The same parts as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only different parts will be described.

第４実施例の宙乗機４００においては、懸垂部材１１０に設けられる退避部材が、第２伸縮部４８１及び円周回転部４８２により構成される退避部材４８０が懸垂部材１１０に設けられている。第２伸縮部４８１は、所謂パイプサポート部材により構成されている。   In the hoisting machine 400 according to the fourth embodiment, the retracting member provided on the suspension member 110 is provided on the suspension member 110 with a retracting member 480 including a second telescopic part 481 and a circumferential rotation part 482. The 2nd expansion-contraction part 481 is comprised by what is called a pipe support member.

第２伸縮部４８１により、懸垂部材１１０及び滑車部材１２０が標識Ｃと干渉しない高さ位置まで下降させることができるとともに、円周回転部４８２により、滑車部材１２０を下降する際に送電線Ｂと干渉してしまうことを防止することができる。また、第２伸縮部４８１がパイプサポート部材より構成されているので、高い安定感を有することができる。 The suspension member 110 and the pulley member 120 can be lowered to a height position at which the suspension member 110 and the pulley member 120 do not interfere with the sign C by the second telescopic portion 481, and when the pulley member 120 is lowered by the circumferential rotation portion 482, the transmission line B and Interference can be prevented. Moreover, since the 2nd expansion-contraction part 481 is comprised from the pipe support member, it can have a high sense of stability.

図７は、第４実施例の宙乗機４００の動作を示す図である。図７（ａ）〜（ｌ）に示すように、送電線Ｂに標識Ｃがあっても、常に２本の懸垂部材１１０が係止された状態で走行移動することができる。換言すれば、標識Ｃを安全に通過して、送電線Ｂを安全に走行移動することができる。
（第５実施例）
次に、図８及び図９を参照して、上述の実施例（第１〜第４実施例）とは別の実施例（第５実施例）の宙乗機５００について説明する。上述の実施例と同一の部分には、同一の符号を付してその説明を省略し、異なる部分のみを説明する。 FIG. 7 is a diagram illustrating the operation of the air hoist 400 according to the fourth embodiment. As shown in FIGS. 7A to 7L, even if the power transmission line B has the mark C, the two suspension members 110 can always travel and move. In other words, the sign C can be safely passed and the power transmission line B can be traveled safely.
(5th Example)
Next, with reference to FIG. 8 and FIG. 9, a description will be given of an airborne machine 500 of an embodiment (fifth embodiment) different from the above-described embodiments (first to fourth embodiments). The same parts as those in the above-described embodiment are denoted by the same reference numerals, and the description thereof is omitted. Only different parts will be described.

図８及び図９に示すように、第５実施例の宙乗機５００は、第３実施例の宙乗機に比して、第１伸縮部３８１の方向を変更したものである。これにより、回転レバー３８１ｃにより乗車スペースが狭くなることを防止したり、係止作業及び隔離作業（解除作業）をやりやすくすることができる。   As shown in FIGS. 8 and 9, the air hoist 500 of the fifth embodiment is obtained by changing the direction of the first telescopic portion 381 as compared with the air hoist of the third embodiment. Thereby, it is possible to prevent the boarding space from being narrowed by the rotation lever 381c, and to easily perform the locking operation and the isolation operation (release operation).

以上、実施例に基づき本発明を説明したが、上記実施例は本発明の趣旨を逸脱しない範囲内で種々の改良変形が可能であることはいうまでもなく、本発明の技術的範囲にはこれらの改良変形も含まれる。   Although the present invention has been described based on the embodiments, it is needless to say that the above embodiments can be variously improved and modified without departing from the spirit of the present invention. These improved variants are also included.

例えば、上述の実施例においては、何れの実施例においても、各懸垂部材１１０に形成される退避部材１８０，３８０，４８０が同一種で構成されている。しかしながら、退避部材１８０，３８０，４８０が組み合わされて構成されても良い。例えば、退避部材４８０を中央部に配設し、退避部材１８０，３８０を両端部に配設するようにしても良い。これにより、中央部の安定感を増すことができるとともに、両端に位置する退避部材１８０，３８０は角度が変化するので、外した後に再度係止させる作業がやりやすい。他方、退避部材１８０，３８０を中央部に配設し、退避部材４８０を両端に配設する方式としても良い。これにより、角度の変化する退避部材１８０，３８０が中央に配設されるので、手が届きやすいし、常に退避部材４８０が係止しているので、安心感が増す。   For example, in the above-described embodiments, the retracting members 180, 380, and 480 formed on each suspension member 110 are configured in the same type in any of the embodiments. However, the retracting members 180, 380, and 480 may be combined. For example, the retracting member 480 may be disposed at the center, and the retracting members 180 and 380 may be disposed at both ends. As a result, the stability of the central portion can be increased, and the angle of the retracting members 180 and 380 located at both ends can be changed, so that it is easy to perform the operation of locking again after removing. On the other hand, the retracting members 180 and 380 may be disposed at the center, and the retracting members 480 may be disposed at both ends. As a result, the retracting members 180 and 380 whose angles change are arranged in the center, so that the hand can easily reach and the retracting member 480 is always locked, so that a sense of security is increased.

本発明の一実施例である（第１実施例の）宙乗機の正面図（進行方向に対して垂直方向）である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view (perpendicular to a traveling direction) of a spacecraft (in a first embodiment) according to an embodiment of the present invention. 宙乗機が鉄塔の送電線に使用されている状態を示す図である。It is a figure which shows the state where the air hoist is used for the transmission line of a steel tower. 第１実施例の宙乗機の動作を示す図である。It is a figure which shows operation | movement of the air hoist of 1st Example. 第２実施例の宙乗機の正面図である。It is a front view of the air hoist of 2nd Example. 第３実施例の宙乗機の正面図である。It is a front view of the air hoist of 3rd Example. 第４実施例の宙乗機の正面図である。It is a front view of the air hoist of 4th Example. 第４実施例の宙乗機の動作を示す図である。It is a figure which shows operation | movement of the air hoist of 4th Example. 第５実施例の宙乗機の正面図である。It is a front view of the air hoist of 5th Example. 第５実施例の宙乗機の側面図（進行方向に対して平行方向）である。一部省略している。It is a side view (parallel direction with respect to the advancing direction) of the hoist of 5th Example. Some are omitted.

符号の説明Explanation of symbols

１００ 宙乗機
１１０ 懸垂部材
１２０ 滑車部材
１３０ 連結部材
１４０ ブレーキ部材
１５０ 移動規制部材
１６０ 座席高さ調整部材
１７０ 背もたれ部材
１８０ 退避部材
１８１ 第１伸縮部
１８２ 折曲部
１９０ 足置き板材
２００ 宙乗機
３００ 宙乗機
３８０ 退避部材
３８１ 第１伸縮部
４００ 宙乗機
４８０ 退避部材
４８１ 第２伸縮部
４８２ 円周回転部
５００ 宙乗機
Ａ 鉄塔
Ｂ 送電線
Ｃ 標識 DESCRIPTION OF SYMBOLS 100 Suspensioner 110 Suspension member 120 Pulley member 130 Connection member 140 Brake member 150 Movement control member 160 Seat height adjustment member 170 Backrest member 180 Retraction member 181 1st expansion-contraction part 182 Bending part 190 Footrest board material 200 Suspension machine 300 Suspensioner 380 Retraction member 381 First telescopic part 400 Suspensioner 480 Retraction member 481 Second telescopic part 482 Circumferential rotation part 500 Suspensioner A Steel tower B Transmission line C Sign

Claims (2)

鉄塔上に架設され且つ標識の取付時又は取付状態（取付後）における送電線を作業員を乗せて走行移動可能な宙乗機において、
前記送電線に間隔を空けて懸垂する少なくとも三本の懸垂部材と、
該懸垂部材の先端部に設けられるとともに前記懸垂部材を前記送電線に転動可能に係止させる滑車部材と、
該懸垂部材相互を連結する連結部材とを備えており、
前記懸垂部材には夫々、該懸垂部材及び該懸垂部材の先端部に設けられる滑車部材が標識を通過する際に該標識と干渉しない位置まで退避させる退避部材が設けられており、
該退避部材によって常に二本の懸垂部材が懸垂した状態で標識を通過することができ、
該退避部材は、手動操作により、滑車部材を係止位置から離隔位置まで上昇させるために懸垂部材を伸張し又は前記滑車部材を離隔位置から標識と接触しない高さ位置まで下降させるために前記懸垂部材を収縮する第２伸縮部、及び、該第２伸縮部が収縮する際に前記滑車部材を送電線と干渉させないために手動操作により該第２伸縮部の軸回りに回転可能とする円周回転部によって構成されていることを特徴とする宙乗機。 In a hoist that is built on a steel tower and is capable of traveling with a worker carrying a transmission line when the sign is attached or in the attached state (after attachment),
At least three suspension members suspended at intervals from the transmission line;
A pulley member that is provided at the tip of the suspension member and that locks the suspension member to the power transmission line so as to allow rolling.
A connecting member for connecting the suspension members to each other;
Each of the suspension members is provided with a retraction member that retracts to a position where the suspension member and a pulley member provided at the tip of the suspension member do not interfere with the sign when passing through the sign,
The retreat member can always pass the sign in a state where two suspension members are suspended,
The retraction member is manually extended to extend the suspension member to raise the pulley member from the locking position to the separation position, or to lift the pulley member from the separation position to a height position not contacting the mark. A second telescopic portion that contracts the member, and a circumference that allows the pulley member to rotate around an axis of the second telescopic portion by manual operation so that the pulley member does not interfere with a power transmission line when the second telescopic portion contracts A spacecraft characterized by comprising a rotating part. 送電線が単導線であることを特徴とする請求項１に記載の宙乗機。   The hoist according to claim 1, wherein the power transmission line is a single conductor.
JP2004171146A 2004-06-09 2004-06-09 Aircraft Expired - Fee Related JP3909498B2 (en)

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