JP5225184B2 - Trigger aid for ground equipment - Google Patents

Trigger aid for ground equipment Download PDF

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JP5225184B2
JP5225184B2 JP2009099091A JP2009099091A JP5225184B2 JP 5225184 B2 JP5225184 B2 JP 5225184B2 JP 2009099091 A JP2009099091 A JP 2009099091A JP 2009099091 A JP2009099091 A JP 2009099091A JP 5225184 B2 JP5225184 B2 JP 5225184B2
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ground
ground device
equipment
electric wire
bottom plate
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JP2010251509A (en
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伸之 高木
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Chugoku Electric Power Co Inc
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Chugoku Electric Power Co Inc
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Description

本発明は、歩道に設置された地上機器が、車両の衝突によって地面に倒れた場合に、該地上機器をクレーンで引き起こす際に使用される地上機器用引き起こし補助具に関する。   The present invention relates to a trigger assisting tool for ground equipment used when a ground equipment installed on a sidewalk falls to the ground due to a vehicle collision and the ground equipment is caused by a crane.

昨今、防災及び景観保持などを考慮して、電柱に配線されていた電線を、地下に埋設された管路に配線すると共に、電柱に取り付けられていた、路上変圧器、多回路開閉器、低圧分岐器のうちいずれかの配電機器を箱体の内部に収容して、歩道の端（地上）に設置する地上機器が普及している。   In recent years, considering disaster prevention and landscape maintenance, electric wires that have been wired to utility poles are wired to underground pipes, and are installed on utility poles. A ground device that houses one of the power distribution devices among the branching devices inside the box and installs it at the end of the sidewalk (on the ground) has become widespread.

この地上機器２０は、例えば、図７（ａ）に示すように、前面が開口された箱体２１と、該前面開口に開閉自在に設けられた扉２２と、箱体２１の底部の周縁部に固着されると共に、地中に構築された基礎構造（管路）３０に設置される枠状の底板２３と、箱体２１の上面の両側に取り付けられた吊り輪２４とを備えている。また、前記基礎構造３０は、上面が開口されたコンクリート製の基礎ブロック３１と、該基礎ブロック３１の開口部一側に下端部が固着されると共に、地表に上端部が突出した枠状の支持ブロック３２と、前記開口部の他側を閉塞する蓋体３３と、該支持ブロック３３の上面開口に植設された複数本のアンカーボルト３４，…とを備えている。   For example, as shown in FIG. 7A, the ground device 20 includes a box body 21 having a front surface opened, a door 22 provided in the front opening so as to be freely opened and closed, and a peripheral portion of a bottom portion of the box body 21. And a frame-like bottom plate 23 installed in a foundation structure (pipeway) 30 constructed in the ground, and suspension rings 24 attached to both sides of the upper surface of the box body 21. Further, the foundation structure 30 includes a concrete foundation block 31 having an upper surface opened, and a frame-like support having a lower end fixed to one side of the opening of the foundation block 31 and an upper end projecting from the ground surface. A block 32, a lid 33 for closing the other side of the opening, and a plurality of anchor bolts 34,... Planted in the upper surface opening of the support block 33 are provided.

そして、地上機器２０の底板２３の開口端部には、前記アンカーボルト３４，…が挿通される挿通孔が複数形成されており、該挿通孔にアンカーボルト３４，…が挿通されて、該アンカーボルト３４，…の先端部にナットが螺着して、地上機器２０が支持ブロック３２に固定されている（図示せず）。また、基礎ブロック３１に配線された電線Ｄを、地上機器２０の底板２３の開口部を経て箱体２１の内部に引き込んで、前記配電機器に接続している。   A plurality of insertion holes through which the anchor bolts 34,... Are inserted are formed at the opening end of the bottom plate 23 of the ground device 20, and the anchor bolts 34,. A nut is screwed onto the tip of the bolts 34,..., And the ground device 20 is fixed to the support block 32 (not shown). Moreover, the electric wire D wired to the foundation block 31 is drawn into the box body 21 through the opening of the bottom plate 23 of the ground device 20 and connected to the power distribution device.

ところで、この地上機器２０に車両が衝突すると、例えば、図７（ｂ）に示すように、支持ブロック３２を残したままで、地上機器２０が、扉２２を上側に位置させた状態で地面Ｇに倒れることがある。この倒れた地上機器２０を復旧するには、基礎ブロック３１または支持ブロック３２を修理することになるが、その作業は多大の労力と時間を要するので、まず、地上機器２０の扉２２を開いて、アンカーボルト３４，…を取り外すと共に、地上機器２０の上面の吊り輪２４にクレーンのフックを引っ掛けて、地上機器２０を引き起こす応急処置がとられるのが一般的である。   By the way, when the vehicle collides with the ground device 20, for example, as shown in FIG. 7B, the ground device 20 is placed on the ground G with the door 22 positioned on the upper side while the support block 32 is left. May fall. In order to recover the ground equipment 20 that has fallen, the base block 31 or the support block 32 is repaired. However, since the work requires a lot of labor and time, first, the door 22 of the ground equipment 20 is opened. In addition, the anchor bolts 34,... Are removed, and a crane hook is hooked on the suspension ring 24 on the upper surface of the ground device 20 to take emergency measures to cause the ground device 20.

この際、地面Ｇに倒れた地上機器２０をクレーンで徐々に引き起こすと、地上機器２０は底板２３の後部を支点にして、前側に回動することになるが、その過程で、地面Ｇと底板２３との間が徐々に狭くなり、引き込まれた電線Ｄが、その許容曲げ半径を超えて折り曲げられることになる。よって、電線Ｄを保護するために、図８（ａ）に示すように、一対の楔状の受け台からなる地上機器用引き起こし補助具（以下、単に補助具という場合がある。）４０を、地面Ｇと地上機器２０の底板２３の前部との隙間Ｈに介挿している。この補助具４０は、側面が直角三角形の角柱体で、傾斜面４０ａを上側にして、地面Ｇと地上機器２０の底板２３の前部との隙間Ｈに介挿される。そして、補助具４０の高さは、地上機器２０の底部２３の前部が当接した状態で、電線Ｄがその許容曲げ半径を超えて折り曲がらない隙間Ｈを、地面Ｇと地上機器２０の底板２３との間に確保できる高さになっている。そして、前記傾斜面４０ａの上端部に、地上機器２０の底板２３の前部が当接する平坦面４０ｂが形成されている。この平坦面４０ｂに、地上機器２０の底板２３の前部が当接することによって、地上機器２０の回動支点が、底板２３の後部から前部に変わることになる。したがって、前記隙間Ｈがそれ以上に小さくなることはなく、電線Ｄが許容曲げ半径を超えて折り曲げられることがないまま、地上機器２０が略直立状態に引き起こされる。   At this time, when the ground device 20 that has fallen to the ground G is gradually caused by the crane, the ground device 20 rotates forward with the rear portion of the bottom plate 23 as a fulcrum. In the process, the ground G and the bottom plate are rotated. The space between the wires 23 is gradually narrowed, and the drawn wire D is bent beyond its allowable bending radius. Therefore, in order to protect the electric wire D, as shown in FIG. 8 (a), a ground equipment trigger assisting tool (hereinafter sometimes referred to simply as an assisting tool) 40 composed of a pair of wedge-shaped cradles is used. It is inserted in a gap H between G and the front part of the bottom plate 23 of the ground device 20. This auxiliary tool 40 is a prismatic body whose right side is a right triangle, and is inserted in a gap H between the ground G and the front portion of the bottom plate 23 of the ground device 20 with the inclined surface 40a facing upward. And the height of the auxiliary | assistant tool 40 is the state which the front part of the bottom part 23 of the ground equipment 20 contact | abutted, The clearance gap H which the electric wire D does not bend beyond the allowable bending radius, and the ground G and the ground equipment 20 The height can be secured between the bottom plate 23 and the base plate 23. And the flat surface 40b which the front part of the baseplate 23 of the ground equipment 20 contact | abuts is formed in the upper end part of the said inclined surface 40a. When the front portion of the bottom plate 23 of the ground device 20 comes into contact with the flat surface 40b, the pivot point of the ground device 20 changes from the rear portion of the bottom plate 23 to the front portion. Accordingly, the gap H is not further reduced, and the ground device 20 is caused to be in a substantially upright state without the electric wire D being bent beyond the allowable bending radius.

また、歩道に設置された地上機器が地面に倒れた場合、該地上機器における基礎構造の復旧作業を短時間で行うことができるものが公知になっている（例えば特許文献１）。   Moreover, when the ground equipment installed in the sidewalk falls to the ground, what can perform the restoration work of the foundation structure in this ground equipment in a short time is known (for example, Patent Document 1).

特開２００８−２５８２３８号公報JP 2008-258238 A

しかしながら、従来の前記補助具４０は、地面Ｇと地上機器２０の底板２３との隙間Ｈ０に介挿するようにしているので、電線Ｄが許容曲げ半径を超えない位置、即ち、補助具４０の傾斜面４０ａの上端部に、地上機器２０の底板２３の前部が当接する位置を目測する必要がある。つまり、地上機器２０の底板２３の前部が当接する位置に、補助具４０の傾斜面４０ａを目測でセットする必要がある。しかも、地上機器２０を引き起こす過程において、地上機器２０の重心が、地上機器２０を吊り上げる位置によって変わるので、補助具４０の位置を人的作業で、その都度変える必要がある。したがって、これらの作業に手間が掛かり、作業効率が低下するという問題がある。   However, since the conventional auxiliary tool 40 is inserted in the gap H0 between the ground G and the bottom plate 23 of the ground device 20, the position where the electric wire D does not exceed the allowable bending radius, that is, the auxiliary tool 40 It is necessary to measure the position where the front portion of the bottom plate 23 of the ground device 20 contacts the upper end portion of the inclined surface 40a. That is, it is necessary to set the inclined surface 40a of the auxiliary tool 40 by eye measurement at a position where the front portion of the bottom plate 23 of the ground device 20 contacts. Moreover, in the process of causing the ground device 20, the center of gravity of the ground device 20 changes depending on the position where the ground device 20 is lifted, so the position of the auxiliary tool 40 needs to be changed each time by human work. Accordingly, there is a problem that these operations are troublesome and work efficiency is lowered.

そこで、本発明は、上記問題点を鑑み、地上機器を引き起こす過程において、地上機器の重心が、地上機器を吊り上げる位置によって変わっても、人的作業を行うことなく、常に、電線の許容曲げ半径を超えない位置で、地上機器を支持できる地上機器用引き起こし補助具を提供することを目的とする。   Therefore, in view of the above problems, the present invention always allows the allowable bending radius of the electric wire without performing human work even if the center of gravity of the ground device changes depending on the position where the ground device is lifted in the process of causing the ground device. It is an object of the present invention to provide a trigger aid for ground equipment that can support the ground equipment at a position not exceeding.

前記課題を解決するために、本発明に係る地上機器用引き起こし補助具は、地中の管路３０から底部２３の開口端部２３ａを経て引き込まれた電線Ｄが接続された状態で地面Ｇに倒れた地上機器２０を引き起こす際に使用される地上機器用引き起こし補助具であって、前記底部２３の開口端部２３ａに係脱自在に係止する係止部６と、地上機器２０を引き起こす過程において、電線Ｄの許容曲げ半径を超えない位置で、地面Ｇに当接して地上機器２０を支持する支持部２とを備えたことを特徴とする。   In order to solve the above-described problem, the auxiliary device for ground equipment according to the present invention is connected to the ground G with the electric wire D drawn from the underground conduit 30 through the open end 23a of the bottom 23 connected thereto. A triggering tool for ground equipment used when causing the ground equipment 20 to fall down, and a process of causing the ground equipment 20 to engage with the locking portion 6 detachably locked to the open end 23a of the bottom 23. And the support part 2 which contacts the ground G and supports the ground device 20 at a position not exceeding the allowable bending radius of the electric wire D.

この場合、地中の管路３０に配線された電線Ｄが引き込まれる地上機器２０の底部２３の開口端部２３ａに係脱自在に係止するようにしたので、地面Ｇに倒れた状態の地上機器２０に簡単に取り付けることができる。また、地面Ｇに倒れた状態の地上機器２０を引き起こす際、引き起こし開始時点においては、地面Ｇに当接している地上機器２０の底部２３の部位が回動支点となっているので、地上機器２０が直立状態に近づくにつれて、電線Ｄの許容曲げ半径を超えるようになるが、これを越えない位置で地上機器２０を支持できれば、電線Ｄに悪影響を及ぼすことがない。即ち、倒れている状態から引き起こされる過程において、地上機器２０の回動支点を、電線Ｄの許容曲げ半径を超えない位置で変えることができれば、折り曲げによる電線Ｄの断線、及び、引き起こしによって生じる地面Ｇに対する電線Ｄの擦れを防止できる。また、引き起こす過程において、地上機器２０の重心がその都度変わったとしても、地上機器２０の底部２３に補助具が一体化されることによって、電線Ｄの許容曲げ半径を超えない高さを常に確保できるようになるので、人的作業を加えることなく地上機器２０を引き起こすことができる。   In this case, since the electric wire D wired to the underground conduit 30 is detachably locked to the open end 23a of the bottom 23 of the ground device 20, the ground in a state where it falls to the ground G It can be easily attached to the device 20. Further, when the ground device 20 in the state of falling down on the ground G is caused, at the start of raising, the portion of the bottom 23 of the ground device 20 that is in contact with the ground G serves as a rotation fulcrum. However, if the ground device 20 can be supported at a position not exceeding the allowable bending radius of the electric wire D, the electric wire D is not adversely affected. That is, if the pivot point of the ground device 20 can be changed at a position that does not exceed the allowable bending radius of the electric wire D in the process caused from the falling state, the ground caused by the disconnection and the cause of the electric wire D due to the bending is caused. Rubbing of the electric wire D against G can be prevented. Further, even if the center of gravity of the ground device 20 changes each time in the process of causing, an auxiliary tool is integrated with the bottom 23 of the ground device 20 so that a height not exceeding the allowable bending radius of the electric wire D is always secured. As a result, the ground device 20 can be caused without human work.

また、本発明によれば、前記係止部６を、底部２３の開口端部２３ａの一側部が挿入できるように、所定の間隔をおいて形成される一対の係止片２ａ，３と、少なくともいずれか一方の係止片２ａ，３に設けられた磁石５，５とで構成するようにしてもよい。   Further, according to the present invention, the locking portion 6 is formed with a pair of locking pieces 2a, 3 formed at a predetermined interval so that one side portion of the opening end portion 23a of the bottom portion 23 can be inserted. The magnets 5 and 5 provided on at least one of the locking pieces 2a and 3 may be used.

この場合、一対の係止片２ａ，３の間に、地上機器２０の底部２３の開口端部２３ａを挿入するだけで、少なくとも一方の係止片２ａ，３に設けた磁石５，５によって、簡単に係止状態が維持されるので、より一層作業効率が向上する。また、地上機器２０の底部２３に磁着した状態で、地上機器２０が引き起こされるので、地上機器２０の重心が引き起こされる過程において変わったとしても、電線Ｄの許容曲げ半径を超えない高さを常に且つ確実に確保できる。つまり、電線Ｄに支障をきたすことなく地上機器２０を引き起こすことができる。   In this case, just by inserting the opening end 23a of the bottom 23 of the ground device 20 between the pair of locking pieces 2a, 3, the magnets 5, 5 provided on at least one of the locking pieces 2a, 3 Since the locked state is easily maintained, the working efficiency is further improved. In addition, since the ground device 20 is caused to be magnetically attached to the bottom 23 of the ground device 20, even if the ground device 20 is changed in the process of causing the center of gravity, the height does not exceed the allowable bending radius of the electric wire D. Always and surely secured. That is, the ground device 20 can be caused without causing any trouble in the electric wire D.

以上のように、本発明によれば、地上機器の底部の開口端部に係脱自在に係止する係止部を設けるようにしたので、引き起こし作業の効率化を図ることができる。また、地上機器を引き起こす過程において、電線の許容曲げ半径を超えない位置で、地面に当接して地上機器を支持できるので、引き起こされる地上機器の重心の位置に関係なく、電線に支障をきたすことなく地上機器を引き起こすことができる。   As described above, according to the present invention, since the engaging portion that is detachably engaged with the opening end portion of the bottom portion of the ground device is provided, the cause work can be made more efficient. Also, in the process of causing the ground equipment, the ground equipment can be supported by contacting the ground at a position that does not exceed the allowable bending radius of the electric wire. Can cause ground equipment without.

本発明の一実施形態に係る地上機器用引き起こし補助具の正面図。The front view of the raising assistance tool for ground equipment concerning one embodiment of the present invention. 図１の側面図。The side view of FIG. 図１の平面図。The top view of FIG. 図１の底面図。The bottom view of FIG. 図１の地上機器用引き起こし補助具を地上機器の底板に取り付ける状態を示す斜視図。The perspective view which shows the state which attaches the raising assistance tool for ground equipment of FIG. 1 to the baseplate of ground equipment. （ａ）〜（ｄ）は、地上機器をクレーンで引き起こしていく過程を示す図。(A)-(d) is a figure which shows the process which raises ground equipment with a crane. （ａ）は地上機器が歩道に設置されている状態を示す図、（ｂ）は地上機器が車両の衝突によって地面に倒れた状態を示す図。(A) is a figure which shows the state in which ground equipment is installed in the sidewalk, (b) is a figure which shows the state in which ground equipment fell to the ground by the collision of the vehicle. （ａ）は、地面に倒れた地上機器をクレーンによって引き起こす際に、従来の地上機器用引き起こし補助具を、地上機器の底板と地面との間に介挿させる状態を示す図、（ｂ）は前記補助具の傾斜面の上端部に、地上機器の底板の前部を当接させた状態を示す図。(A) is the figure which shows the state which inserts the raising auxiliary tool for conventional ground equipment between the bottom plate of ground equipment, and the ground, when the ground equipment which fell to the ground is caused with a crane, (b) The figure which shows the state which made the front part of the baseplate of a ground apparatus contact | abut to the upper end part of the inclined surface of the said auxiliary tool.

以下、本発明の実施形態に係る地上機器用引き起こし補助具について、図１〜図６を参照しつつ説明する。なお、地上機器２０については、図７と同様に、地中に構築された基礎構造体３０と、該基礎構造体３０に取り付けられた枠状の底板２３と、該底板２３に底部の周縁部が固着されると共に、内部に、路上変圧器、多回路開閉器、低圧分岐器のうちいずれかの配電機器が収容された箱体２１と、該箱体２１の上面に取り付けられた吊り輪２４とを備えているものとする。   Hereinafter, the raising aid for ground equipment concerning the embodiment of the present invention is explained, referring to FIGS. As for the ground device 20, as in FIG. 7, the foundation structure 30 constructed in the ground, the frame-shaped bottom plate 23 attached to the foundation structure 30, and the bottom peripheral edge portion of the bottom plate 23. Is attached, and a box body 21 in which any one of the power distribution devices among a road transformer, a multi-circuit switch, and a low-voltage branching device is housed, and a suspension ring 24 attached to the upper surface of the box body 21 It shall be provided with.

まず、本実施形態に係る地上機器用引き起こし補助具１は、図１〜図４に示すように、基端部が幅広く先端部に向かうにしたがって幅狭く形成された正面視等脚台形状の支持部（本体）２と、該支持部２の基端部から直角に折り曲げられた第一係止片としての折曲部２ａ（以下、第一係止片という）と、該第一係止片２ａに対して所定の間隔をおいて平行するように、支持部２の基端部に溶着された第二係止片３と、該第二係止片３の両側に形成された貫通孔４，４と、該貫通孔４，４から磁着面が露出するように配設された円柱状の磁石５，５と、該磁石５，５を第二係止片３に取り付けるための取付具１０と、支持部２の長手方向の中心線、及び、第二係止片３の高さに沿って固着された側面視台形状の補強板１５とを備えている。   First, as shown in FIG. 1 to FIG. 4, the auxiliary assisting tool 1 for ground equipment according to the present embodiment is supported in the shape of an isosceles trapezoid in a front view in which the base end portion is formed to become narrower toward the tip end portion. Portion (main body) 2, a bent portion 2 a (hereinafter referred to as a first locking piece) as a first locking piece bent at a right angle from the base end of the support portion 2, and the first locking piece The second locking piece 3 welded to the base end of the support portion 2 so as to be parallel to the 2a at a predetermined interval, and the through holes 4 formed on both sides of the second locking piece 3 , 4, columnar magnets 5, 5 disposed so that the magnetized surface is exposed from the through holes 4, 4, and a fixture for attaching the magnets 5, 5 to the second locking piece 3 10 and a longitudinal center line of the support portion 2 and a side plate-shaped reinforcing plate 15 fixed along the height of the second locking piece 3.

支持部２は、基端部から先端部の長さは、地上機器２０の底板２３の後部が回動支点となって引き起こされた状態において、電線Ｄが許容曲げ半径を超えない位置で地面Ｇに当接する高さを確保できる長さに設定されている。   The length of the support portion 2 from the base end portion to the tip end portion is such that the electric wire D does not exceed the allowable bending radius in a state where the rear portion of the bottom plate 23 of the ground device 20 is raised as a pivotal support point. It is set to a length that can secure a height that abuts against.

第一係止片２ａは、第二係止片３よりも高さが低く設定されている。この理由としては、地上機器２０の底板２３の開口端部２３ａに対して、挿脱しやすい構成になっている。そして、第一及び第二係止片２ａ，３によって係止部６が構成されている。また、第一及係止片２ａと第二係止片３との間に、底板２３の開口端部２３ａの前側部が挿入される隙間が形成されており、前記前側部の上面に第一係止片２ａが当接すると共に、前記前側部の下面に第二係止片３が当接する。   The first locking piece 2 a is set to be lower than the second locking piece 3. The reason for this is that the opening end 23a of the bottom plate 23 of the ground device 20 is easily inserted and removed. And the latching | locking part 6 is comprised by the 1st and 2nd latching pieces 2a and 3. As shown in FIG. In addition, a gap is formed between the first and second locking pieces 2a and the second locking piece 3 so that the front side portion of the open end portion 23a of the bottom plate 23 is inserted. While the locking piece 2a contacts, the second locking piece 3 contacts the lower surface of the front side portion.

取付具１０は、第二係止片３に平行する基部１０ａと、該基部１０ａの両端部から直角に折り曲げられた折曲部１０ｂ、１０ｂと、該両折曲部１０ｂ，１０ｂの端部から互いに反対方向に延出された取付部１０ｃ，１０ｃとを有している。そして、基部１０ａは、磁石５，５の直径よりもやや大きい長さを有しており、磁石５，５の一端部の端面に当接する。折曲部１０ｂ，１０ｂは、磁石５，５の軸方向の長さよりも短く、磁石５，５の他端部の端面（磁着面）が第二係止片３の貫通孔４，４から露出する位置に設定できる長さを有している。取付部１０ｃ，１０ｃは、磁石５，５の他端部側に位置して第二係止片３に当接する。そして、基部１０ａ及び取付部１０ｃ，１０ｃには、ボルトＢが挿通される挿通孔が形成され（図示せず）、基部１０ａに挿通されたボルトＢは、磁石５，５の一端部の端面に螺合し、取付部１０ｃ，１０ｃに挿通されたボルトＢは、第二係止片３に螺合し、磁石５，５が取付具１０によって第二係止片３に取り付けられる。   The fixture 10 includes a base portion 10a parallel to the second locking piece 3, bent portions 10b and 10b bent at right angles from both end portions of the base portion 10a, and end portions of the both bent portions 10b and 10b. It has the attachment parts 10c and 10c extended in the mutually opposite direction. The base 10 a has a length slightly larger than the diameter of the magnets 5 and 5, and comes into contact with the end surface of one end of the magnets 5 and 5. The bent portions 10 b and 10 b are shorter than the axial length of the magnets 5 and 5, and the end surfaces (magnetic attachment surfaces) of the other ends of the magnets 5 and 5 are from the through holes 4 and 4 of the second locking piece 3. It has a length that can be set to an exposed position. The attachment portions 10 c and 10 c are located on the other end side of the magnets 5 and 5 and abut against the second locking piece 3. An insertion hole (not shown) through which the bolt B is inserted is formed in the base portion 10a and the mounting portions 10c, 10c, and the bolt B inserted into the base portion 10a is formed on the end face of one end portion of the magnets 5, 5. The bolt B that is screwed and inserted into the attachment portions 10 c and 10 c is screwed to the second locking piece 3, and the magnets 5 and 5 are attached to the second locking piece 3 by the fixture 10.

補強板１５は、上述したように、平行する一対の対辺のうち一方の対辺１５ａは、第一係止片２ａの中央に位置すると共に、第一係止片２ａの高さ方向に沿って当接している。他方の対辺１５ｂは、一方の対辺１５ａよりも短く、図３に示すように、他方の対辺１５ｂと補助具１の支持部２の先端部とでＴ字形状の端面を形成している。これによって、回動支点が支持部２の先端部側に移行した場合、地上機器２０を引き起こした際に、地面Ｇに係る地上機器２０の荷重ができるだけ分散できる形状になっている。そして、両対辺１５ａ，１５ｂの端部を結ぶ斜辺１５ｃと、支持部２の長さ方向に沿って当接する側片１５ｄとを有している。   As described above, the reinforcing plate 15 has one side 15a out of a pair of parallel sides that is parallel to the center of the first locking piece 2a and the height of the first locking piece 2a. It touches. The other opposite side 15b is shorter than the one opposite side 15a, and as shown in FIG. 3, the other opposite side 15b and the tip of the support part 2 of the auxiliary tool 1 form a T-shaped end face. Thereby, when the rotation fulcrum shifts to the tip end side of the support portion 2, when the ground device 20 is raised, the load of the ground device 20 on the ground G can be dispersed as much as possible. And it has the hypotenuse 15c which connects the edge part of both opposite sides 15a and 15b, and the side piece 15d contact | abutted along the length direction of the support part 2. As shown in FIG.

つぎに使用態様について図５及び図６（ａ）〜（ｄ）を参照して説明する。地上機器２０が扉２２を上側にして倒れた状態において、図５に示すように、地上機器２０における底板２３の開口端部２３ａの前側部が、補助具１の第一及び第二係止片２ａ，３の隙間に挿入されるように、補助具１を下方から嵌め入れると、第一係止片２ａが前記前側部の内面に位置すると共に、第二係止片３が前記前側部の外面に位置し、第二係止片３の磁石５，５の磁着面が前記前側部の外面に磁着し、補助具１が地上機器２０の底板２３に固定される。この状態において、図６（ａ）に示すように、地上機器２０の吊り輪２４に、クレーンのフックを引っ掛けて、地上機器２０の上部を真上に向かって引っ張り起こす。   Next, a usage mode will be described with reference to FIGS. 5 and 6A to 6D. In a state where the ground device 20 is tilted with the door 22 facing upward, as shown in FIG. 5, the front side portion of the opening end 23 a of the bottom plate 23 in the ground device 20 is the first and second locking pieces of the auxiliary tool 1. When the auxiliary tool 1 is inserted from below so as to be inserted into the gap between 2 a and 3, the first locking piece 2 a is positioned on the inner surface of the front side portion, and the second locking piece 3 is placed on the front side portion. Located on the outer surface, the magnetized surfaces of the magnets 5, 5 of the second locking piece 3 are magnetized on the outer surface of the front side portion, and the auxiliary tool 1 is fixed to the bottom plate 23 of the ground device 20. In this state, as shown to Fig.6 (a), the hook of a crane is hooked on the suspension ring 24 of the ground equipment 20, and the upper part of the ground equipment 20 is pulled up toward right above.

つぎに、図６（ｂ）に示すように、クレーンのフックを徐々に巻き上げると、地上機器２０は、地面Ｇに当接している地上機器２０の底板２３の後部を回動支点にして、徐々に引き起こされる。この際、地上機器２０の重心はその都度変わることになるが、補助具１が地上機器２０の底板２３に一体化されているので、従来のように、補助具１の位置を人的作業によって変える必要はない。また、この時の電線Ｄは、上から下へ緩やかに曲がりつつ地面Ｇに当接している。   Next, as shown in FIG. 6B, when the crane hook is gradually wound up, the ground device 20 gradually uses the rear portion of the bottom plate 23 of the ground device 20 that is in contact with the ground G as a pivot point. Caused by. At this time, the center of gravity of the ground device 20 changes each time, but since the auxiliary tool 1 is integrated with the bottom plate 23 of the ground device 20, the position of the auxiliary tool 1 is manually changed as in the prior art. There is no need to change. Further, the electric wire D at this time is in contact with the ground G while gently bending from top to bottom.

そして、図６（ｃ）に示すように、補助具１の支持部２の先端部が地面Ｇに当接すると、地上機器２０の回動支点が、地上機器２０の底板２３の前部に移行するようになり、該前部を回動支点にして、地上機器２０が引き起こされる。この際、電線Ｄは許容曲げ半径を超えて折り曲げられることはなく、図６（ｄ）に示すように、地上機器２０が直立するまで、上述したように、電線Ｄは上から下へ緩やかに曲がりつつ地面に当接している。つまり、地上機器２０が直立状態に引き起こされても、電線Ｄは断線することはない。   Then, as shown in FIG. 6C, when the tip of the support portion 2 of the auxiliary tool 1 comes into contact with the ground G, the rotation fulcrum of the ground device 20 shifts to the front portion of the bottom plate 23 of the ground device 20. Thus, the ground device 20 is raised with the front portion as a pivot point. At this time, the electric wire D is not bent beyond the allowable bending radius, and as shown in FIG. 6 (d), the electric wire D is gently moved from top to bottom as described above until the ground device 20 stands upright. It is in contact with the ground while turning. That is, even if the ground device 20 is caused to stand upright, the electric wire D is not disconnected.

なお、前記実施形態の場合、補助具１の第二係止片３に磁石５，５を配設するようにしたが、第二係止片３の貫通孔４，４から、弾性付勢された球体の一部が臨出するようにしてもよい。また、第一及び第二係止片２ａ，３のいずれかに板バネを設けて、地上機器２０の底板２３の開口端部２３ａに係止するようにしてもよい。要は、地上機器２０の底板２３の開口端部２３ａに係脱自在であって、地上機器２０をクレーンで引き起こす過程において、地上機器２０が倒れた状態から直立するまで、地上機器２０の底板２３から外れることがないように構成されてあればよい。   In the case of the embodiment, the magnets 5 and 5 are arranged on the second locking piece 3 of the auxiliary tool 1, but elastically biased from the through holes 4 and 4 of the second locking piece 3. A part of the sphere may appear. Further, a leaf spring may be provided on any of the first and second locking pieces 2a and 3 so as to be locked to the opening end portion 23a of the bottom plate 23 of the ground device 20. The point is that the bottom plate 23 of the ground device 20 is detachable from the open end 23a of the bottom plate 23 of the ground device 20 until the ground device 20 stands upright in the process of causing the ground device 20 by the crane. What is necessary is just to be comprised so that it may not remove from.

また、前記実施形態の場合、地上機器２０の底板２３における開口端部２３ａの前側部に、補助具１の第一及び第二係止片２ａ，３を係止させるようにしたが、アンカーボルトが挿通される底板２３の開口端部２３ａの挿通孔を利用するようにしてもよい。例えば、該挿通孔に連通するように、第一及び第二係止片２ａ，３に孔を形成し、該孔にピンを挿通させて底板２３に補助具１を固定するようにしてもよい。   Moreover, in the case of the said embodiment, although the 1st and 2nd locking pieces 2a and 3 of the auxiliary tool 1 were locked to the front side part of the opening edge part 23a in the bottom plate 23 of the ground equipment 20, an anchor bolt You may make it utilize the insertion hole of the opening edge part 23a of the baseplate 23 in which is inserted. For example, a hole may be formed in the first and second locking pieces 2 a and 3 so as to communicate with the insertion hole, and a pin is inserted into the hole to fix the auxiliary tool 1 to the bottom plate 23. .

また、前記実施形態の場合、地上機器２０の基礎構造体３０が残った状態で、地上機器２０が地面Ｇに倒れた場合を例にとって説明したが、地上機器２０の基礎構造体３０が破断して、地上機器２０が地面Ｇに倒れた場合にも適用できることは言うまでもない。   Moreover, in the case of the said embodiment, although the case where the ground equipment 20 fell to the ground G in the state where the foundation structure 30 of the ground equipment 20 remained was demonstrated as an example, the foundation structure 30 of the ground equipment 20 fractured | ruptured. Needless to say, the present invention can also be applied when the ground device 20 falls to the ground G.

また、前記実施形態の場合、第二係止片３の両側に磁石５，５を配設するようにしたが、第一係止片２ａの両側に配設するようにしてもよく、第一及び第二係止片２ａ，３の両方に配設するようにしてもよい。   In the above embodiment, the magnets 5 and 5 are disposed on both sides of the second locking piece 3, but may be disposed on both sides of the first locking piece 2a. And you may make it arrange | position to both the 2nd locking pieces 2a and 3. FIG.

１…補助具、２…支持部、２ａ…折曲部、２ａ…第一係止片、３…第二係止片、４…貫通孔、５…磁石、６…係止部、１０…取付具、１０ａ…基部、１０ｂ…折曲部、１０ｃ…取付部、１５…補強板、１５ａ，１５ｂ…対辺、１５ｃ…斜辺、１５ｄ…側片、２０…地上機器、２１…箱体、２２…扉、２３…底板（底部）、２３ａ…開口端部、２４…吊り輪、３０…基礎構造（管路）、３１…基礎ブロック、３２…支持ブロック、３３…アンカーボルト、４０…補助具、４０ａ…傾斜面、Ｂ…ボルト、Ｄ…電線、Ｇ…地面、Ｈ…隙間   DESCRIPTION OF SYMBOLS 1 ... Auxiliary tool, 2 ... Support part, 2a ... Bending part, 2a ... 1st locking piece, 3 ... 2nd locking piece, 4 ... Through-hole, 5 ... Magnet, 6 ... Locking part, 10 ... Installation 10a ... base, 10b ... bent part, 10c ... mounting part, 15 ... reinforcing plate, 15a, 15b ... opposite side, 15c ... oblique side, 15d ... side piece, 20 ... ground equipment, 21 ... box, 22 ... door 23 ... Bottom plate (bottom), 23a ... Open end, 24 ... Suspension ring, 30 ... Foundation structure (pipe), 31 ... Foundation block, 32 ... Support block, 33 ... Anchor bolt, 40 ... Auxiliary tool, 40a ... Inclined surface, B ... bolt, D ... electric wire, G ... ground, H ... gap

Claims (2)

地中の管路（３０）から底部（２３）の開口端部（２３ａ）を経て引き込まれた電線（Ｄ）が接続された状態で地面（Ｇ）に倒れた地上機器（２０）を引き起こす際に使用される地上機器用引き起こし補助具であって、
前記底部（２３）の開口端部（２３ａ）に係脱自在に係止する係止部（６）と、地上機器（２０）を引き起こす過程において、電線（Ｄ）の許容曲げ半径を超えない位置で、地面（Ｇ）に当接して地上機器（２０）を支持する支持部（２）とを備えたことを特徴とする地上機器用引き起こし補助具。 When causing the ground device (20) falling to the ground (G) in a state where the electric wire (D) drawn from the underground pipe line (30) through the open end (23a) of the bottom (23) is connected A trigger aid for ground equipment used in
A position that does not exceed the allowable bending radius of the electric wire (D) in the process of causing the locking device (6) that is detachably locked to the open end (23a) of the bottom (23) and the ground device (20) A grounding equipment trigger assisting device comprising a support portion (2) that contacts the ground (G) and supports the ground equipment (20). 前記係止部（６）は、底部（２３）の開口端部（２３ａ）の一側部が挿入できるように、所定の間隔をおいて形成される一対の係止片（２ａ，３）と、少なくともいずれか一方の係止片（２ａ，３）に設けられた磁石（５，５）とを有していることを特徴とする請求項１に記載の地上機器用引き起こし補助具。   The locking portion (6) includes a pair of locking pieces (2a, 3) formed at a predetermined interval so that one side portion of the open end portion (23a) of the bottom portion (23) can be inserted. The grounding equipment trigger assisting device according to claim 1, further comprising a magnet (5, 5) provided on at least one of the locking pieces (2a, 3).
JP2009099091A 2009-04-15 2009-04-15 Trigger aid for ground equipment Expired - Fee Related JP5225184B2 (en)

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US3620395A (en) * 1969-10-14 1971-11-16 Westinghouse Electric Corp Method for uprighting electrical inductive apparatus
JPS527807B2 (en) * 1972-09-20 1977-03-04
JPH07183130A (en) * 1993-12-24 1995-07-21 Hitachi Ltd Induction electrical equipment and erecting of core thereof
JP2007294661A (en) * 2006-04-25 2007-11-08 Chugoku Electric Power Co Inc:The Temporary support material and temporary support method of device installed on ground
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