JP5505970B2 - Bolt position correction tool - Google Patents
Bolt position correction tool Download PDFInfo
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- JP5505970B2 JP5505970B2 JP2010060883A JP2010060883A JP5505970B2 JP 5505970 B2 JP5505970 B2 JP 5505970B2 JP 2010060883 A JP2010060883 A JP 2010060883A JP 2010060883 A JP2010060883 A JP 2010060883A JP 5505970 B2 JP5505970 B2 JP 5505970B2
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- bolt
- tip
- bracket
- base
- urging
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Description
この発明は、鉄塔と固定金具を介して連結された先端金具と、耐張装置の鉄塔側ヨーク
とを連結するボルトに負荷されている張力を緩め、ボルトの位置を修正するために使用さ
れるボルト位置修正工具に関する。
The present invention is used to loosen a tension applied to a bolt that connects a tip metal fitting connected to a steel tower via a fixing metal fitting and a steel tower side yoke of the tension device, and to correct the position of the bolt. The present invention relates to a bolt position correction tool.
高圧電線等の導体を、耐張装置を介して鉄塔に張設する場合、耐張装置と鉄塔とは、通
常、先端金具及び固定金具を介して連結される。具体的には、耐張装置の鉄塔側ヨークと
先端金具とが、互いの端部に跨って挿通されるボルトによって連結され、先端金具と固定
金具とは、互いの端部に跨って挿通されるシャフトによって連結される。また、固定金具
は、鉄塔に対してボルト等を介して固定される。
When a conductor such as a high-voltage electric wire is stretched on a steel tower via a tension device, the tension device and the steel tower are usually connected via a tip metal fitting and a fixing metal fitting. Specifically, the steel tower side yoke and the tip metal fitting of the tension device are connected by a bolt inserted across each end, and the tip metal fitting and the fixing metal are inserted across each other end. Connected by a shaft. Moreover, the fixing bracket is fixed to the steel tower via a bolt or the like.
耐張装置の鉄塔側ヨークと先端金具とを連結するボルトとしては、ナットの緩みを防止
するため、割ピンをボルト軸部に挿通するコッタボルトを使用することが多いが、導体や
鉄塔の揺れ等によって段々とナットが緩むため、定期的な締め直しを必要としていた。
In order to prevent the nut from loosening, a cotter bolt with a split pin inserted through the bolt shaft is often used as the bolt that connects the tower side yoke of the tension device and the end fitting. Due to this, the nut gradually loosened, and it was necessary to retighten it regularly.
ところが、このコッタボルトには、導体や耐張装置の自重によって、常に大きな荷重（
せん断力）が負荷されているため、ボルトを回転させるには非常に大きなトルクを与えな
ければならず、鉄塔上の不安定な足場では、困難を極める作業となっていた。
However, this cotter bolt always has a large load (due to its own weight of conductor and tension device)
Therefore, a very large torque has to be applied to rotate the bolt, and it has been extremely difficult to work with an unstable scaffold on a steel tower.
そこで、鉄塔側ヨークを鉄塔側に付勢し、コッタボルトに負荷されていた荷重を緩める
交換装置が開示されている（例えば特許文献１参照）。
In view of this, there has been disclosed an exchange device that biases the steel tower side yoke toward the steel tower side and relaxes the load applied to the cotter bolt (for example, see Patent Document 1).
特許文献１のヨークボルトの交換装置は、鉄塔に固着された固定金具と、先端金具とを
連結するシャフトに搖動アダプタを接続するとともに、耐張装置の鉄塔側ヨークに、鉄塔
側ヨークを鉄塔側に付勢するための油圧シリンダが配設されたヨークアダプタを装着し、
搖動アダプタとヨークアダプタとを、伸縮可能な一対のリンク装置で連結することで構成
されている。
The yoke bolt exchanging device of Patent Document 1 has a peristaltic adapter connected to a shaft that connects a fixing metal fitting fixed to a steel tower and a tip metal fitting, and a steel tower side yoke is connected to the steel tower side yoke of the tension device. Attach a yoke adapter with a hydraulic cylinder for biasing
The peristaltic adapter and the yoke adapter are connected by a pair of extendable link devices.
そして、油圧シリンダで、鉄塔側ヨークを鉄塔側に付勢し、先端金具と鉄塔側ヨークと
の間隔を縮めることで、ボルトに負荷されていた荷重を緩め、その間にボルトの交換を行
うものである。
And with the hydraulic cylinder, the tower side yoke is urged toward the tower side, and the distance between the end fitting and the tower side yoke is reduced, so that the load applied to the bolt is loosened, and the bolt is exchanged in the meantime. is there.
ところが、特許文献１の交換装置は、４つの部材（搖動アダプタ、ヨークアダプタ、油
圧シリンダ、リンク装置）を用いているため、構造が複雑で且つ装置の重量が大きくなり
、交換装置の取付作業が煩雑であった。また、油圧シリンダを使用するため、油圧ポンプ
と油圧シリンダとの連結、取り外し作業を必要とし、作業に時間がかかっていた。
However, since the exchange device of Patent Document 1 uses four members (peristaltic adapter, yoke adapter, hydraulic cylinder, link device), the structure is complicated and the weight of the device increases, and the installation work of the exchange device is difficult. It was complicated. In addition, since a hydraulic cylinder is used, it is necessary to connect and remove the hydraulic pump and the hydraulic cylinder, which takes time.
また、特許文献１の交換装置は、水平角をもって鉄塔に連結された耐張装置に対応する
ため、２本のリンク装置をＶ字状に配設し、左右のリンク装置の長さを変えることで、ヨ
ークアダプタの角度を調節する機構とされているが、リンク装置が表裏計４本配設されて
いるため、表裏の２本のリンク装置を同時に且つ同程度、伸縮させねばならず、取付角度
の調節作業が著しく煩雑なものとなっていた。
Moreover, since the exchange apparatus of patent document 1 respond | corresponds to the tension | tensile_strength apparatus connected to the steel tower with a horizontal angle, it arrange | positions two link apparatuses in V shape, and changes the length of a right and left link apparatus The angle of the yoke adapter is adjusted, but since there are four link devices on the front and back, the two link devices on the front and back must be expanded and contracted simultaneously and to the same extent. The adjustment of the angle has become extremely complicated.
さらに、油圧シリンダが、鉄塔側ヨークの１箇所、具体的には、導体側中央部にのみ当
接する構成であるため、油圧シリンダで鉄塔側ヨークを鉄塔側に付勢すると、鉄塔側ヨー
クが、鉄塔側ヨークと先端金具とを連結するボルトを軸に回転する虞があり、若干の回転
があっても、回転によって新たにせん断力が生じて、作業に支障をきたす虞があった。ま
た、油圧シリンダが配設されたヨークアダプタも、リンク装置との連結部を軸に回転する
虞があるため、ヨークアダプタと、鉄塔側ヨークとを連結しておく必要があった。
Furthermore, since the hydraulic cylinder is configured to contact only one portion of the tower-side yoke, specifically, the conductor-side central portion, when the tower-side yoke is biased to the tower side with the hydraulic cylinder, the tower-side yoke is There is a risk of rotating around the bolt that connects the tower side yoke and the tip metal fitting, and even if there is a slight rotation, there is a possibility that a new shearing force will be generated by the rotation, thereby hindering the work. Further, since the yoke adapter provided with the hydraulic cylinder may rotate around the connecting portion with the link device, it is necessary to connect the yoke adapter and the tower-side yoke.
そこで、この発明は、上記の不具合を解消して、取付作業が簡単で、且つ安定した付勢
が行えるとともに、様々な耐張装置に取り付けが可能なボルト位置修正工具を提供するこ
とを目的とする。
SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a bolt position correcting tool that solves the above-described problems, is easy to mount, can perform stable biasing, and can be mounted on various tension devices. To do.
上記課題を解決するため、この発明のボルト位置修正工具は、耐張装置の鉄塔側ヨーク
２５を鉄塔２０側に付勢することで、鉄塔２０と固定金具２１を介して連結された先端金
具２３と、耐張装置の鉄塔側ヨーク２５とを連結するボルト２４に負荷されている張力を
緩めるボルト位置修正工具１であって、ボルト位置修正工具１は、先端金具取付金具２と
、付勢ボルト取付金具８とからなり、先端金具取付金具２は、先端金具２３に係止可能な
突起部４を備え、付勢ボルト取付金具８は、先端金具取付金具２と連結されるとともに、
鉄塔側ヨーク２５を鉄塔２０側に付勢する付勢ボルト１１を備えていることを特徴として
いる。
In order to solve the above-described problem, the bolt position correcting tool of the present invention urges the tower-side yoke 25 of the tension device to the tower 20 side, thereby connecting the tip metal fitting 23 connected to the tower 20 via the fixing bracket 21. And a bolt position correcting tool 1 that loosens the tension applied to the bolt 24 that connects the tower-side yoke 25 of the tension device, and the bolt position correcting tool 1 includes a tip metal fitting 2 and an urging bolt. The front end bracket mounting bracket 2 includes a protrusion 4 that can be locked to the front end bracket 23, and the biasing bolt mounting bracket 8 is connected to the front end bracket mounting bracket 2;
An urging bolt 11 for urging the steel tower side yoke 25 toward the steel tower 20 is provided.
また、ボルト位置修正工具１は、一対の付勢ボルト取付金具８、８を備え、一対の付勢
ボルト取付金具８、８は、鉄塔側ヨーク２５の軸心と略平行となるように、且つ鉄塔側ヨ
ーク２５の両端部近傍に位置されるように、先端金具取付金具２にそれぞれ連結されると
ともに、付勢ボルト１１は、鉄塔側ヨーク２５の導体側端面と対向して位置されている。
The bolt position correcting tool 1 includes a pair of urging bolt mounting brackets 8, 8, and the pair of urging bolt mounting brackets 8, 8 are substantially parallel to the axis of the tower-side yoke 25, and The urging bolts 11 are respectively positioned so as to face the conductor side end face of the tower side yoke 25 so as to be respectively connected to the end fitting mounting bracket 2 so as to be positioned in the vicinity of both ends of the tower side yoke 25.
さらに、先端金具取付金具２は、突起部４を備える基体３と、基体３の一方端部から、
基体３の他方端部を中心に弧を描くように延出された延出部５とからなり、延出部５には
、一方の付勢ボルト取付金具８を連結するための第１の連結点６が複数設けられ、基体３
の他方端部には、他方の付勢ボルト取付金具８を連結するための第２の連結点７が複数設
けられ、基体３の一方端部に最も近い第１の連結点６と、基体３の一方端部に最も近い第
２の連結点７との点間距離と、基体３の一方端部にｎ番目に近い第１の連結点６と、基体
３の一方端部にｎ番目に近い第２の連結点７との点間距離とが略同長とされている。
Furthermore, the tip metal fitting 2 is composed of a base body 3 having a protrusion 4 and one end of the base body 3.
A first connection for connecting one urging bolt mounting bracket 8 to the extension 5 is formed of an extension 5 extending so as to draw an arc around the other end of the base 3. A plurality of points 6 are provided, and the base 3
A plurality of second connection points 7 for connecting the other urging bolt mounting bracket 8 are provided at the other end of the first connection point 6 closest to the one end of the base 3 and the base 3. The point-to-point distance to the second connection point 7 closest to one end of the substrate 3, the first connection point 6 closest to the first end of the substrate 3, and the nth closest to the one end of the substrate 3 The distance between the second connection point 7 and the second connection point 7 is approximately the same length.
さらにまた、ボルト位置修正金具１は、一対の先端金具取付金具２、２を備え、先端金
具取付金具２、２間に、先端金具２３を位置させるとともに、突起部４を、固定金具２１
と先端金具２３との連結部に生じた隙間にそれぞれ挿入させ、先端金具取付金具２、２を
先端金具２３に係止させるとともに、一対の先端金具取付金具２、２に跨ってボルトを挿
通し、ナットを螺着することにより、先端金具２３を一対の先端金具取付金具２、２で挟
持している。
Furthermore, the bolt position correcting bracket 1 includes a pair of tip bracket mounting brackets 2, 2. The tip bracket 23 is positioned between the tip bracket mounting brackets 2, 2, and the protrusion 4 is fixed to the fixing bracket 21.
Are inserted into the gaps formed at the connecting portion between the end fitting 23 and the end fitting 23, and the end fitting mounting brackets 2 and 2 are locked to the end fitting 23, and a bolt is inserted across the pair of tip fittings 2 and 2. The end fitting 23 is clamped between the pair of end fitting mounting brackets 2 and 2 by screwing the nuts.
この発明のボルト位置修正工具においては、先端金具取付金具と付勢ボルト取付金具の
２つの部材を連結するだけで構成されるから、取付作業が容易である。また、耐張装置の
鉄塔側ヨークを鉄塔側に付勢する手段として、付勢ボルトを用いているため、油圧シリン
ダを用いる場合に比べて、工具の軽量化を図ることができるとともに、作業に必要な道具
がレンチのみであるため、油圧ポンプとの接続や取り外し作業の手間を省くことができる
。
Since the bolt position correcting tool according to the present invention is configured only by connecting the two members of the end fitting mounting bracket and the urging bolt mounting bracket, the mounting operation is easy. In addition, since the biasing bolt is used as a means for biasing the tower side yoke of the tension device to the tower side, the weight of the tool can be reduced compared to the case of using a hydraulic cylinder, and the work can be performed. Since the necessary tool is only a wrench, it is possible to save time and labor for connection to and removal from the hydraulic pump.
また、一対の付勢ボルト取付金具を備え、それぞれの付勢ボルトによって、鉄塔側ヨー
クを鉄塔側に付勢する構成としていることから、１箇所で付勢する場合に比べて、安定し
た付勢が行えるとともに、付勢によって鉄塔側ヨークに回転が生じた場合でも、いずれか
一方の付勢ボルトを伸張させることで回転を解消させることができ、作業性向上を図るこ
とができる。また、付勢ボルト取付金具自身が回転する虞はなく、従って、鉄塔側ヨーク
と連結する必要もない。
In addition, since a pair of urging bolt mounting brackets are provided and the urging bolts are urged toward the pylon side by the respective urging bolts, the urging operation is more stable than when urging at one location. In addition, even when rotation occurs in the tower side yoke due to urging, the rotation can be eliminated by extending one of the urging bolts, and workability can be improved. Further, there is no possibility that the urging bolt mounting bracket itself rotates, and therefore there is no need to connect with the tower side yoke.
また、基体の一方端部に最も近い第１の連結点と、基体の一方端部に最も近い第２の連
結点との点間距離と、基体の一方端部にｎ番目に近い第１の連結点と、基体の一方端部に
ｎ番目に近い第２の連結点との点間距離とが略同長、すなわち、対となる第１の連結点と
第２の連結点との点間距離が、それぞれ略同長とされていることで、水平角を有しない状
態で取り付けられた耐張装置だけでなく、水平角を有した状態で鉄塔に取り付けられた耐
張装置にも使用することができる。具体的には、耐張装置が水平角を有した状態で鉄塔と
連結されていても、耐張装置の軸線に対して、対となる第１の連結点と第２の連結点とを
結ぶ線がほぼ垂線となる各連結点に、それぞれ付勢ボルト取付金具を取り付けることで、
先端金具取付金具は、先端金具に対して平行に、且つ付勢ボルト取付金具も、鉄塔側ヨー
クに対して平行とすることができ、耐張装置が水平角を有しない状態で取り付けられた場
合と、何ら変わりなくボルト位置修正工具を取り付け、ボルト位置の修正を行うことがで
きる。
In addition, a point-to-point distance between the first connection point closest to the one end of the base and the second connection point closest to the one end of the base, and the first nth closest to the one end of the base The point-to-point distance between the connection point and the second connection point closest to the n-th end of the base is approximately the same length, that is, between the first connection point and the second connection point that form a pair. Because the distances are approximately the same length, they are used not only for tension devices attached with no horizontal angle but also for tensile devices attached to steel towers with horizontal angles. be able to. Specifically, even if the tension device is connected to the steel tower with a horizontal angle, the pair of the first connection point and the second connection point are connected to the axis of the tension device. By attaching the urging bolt mounting bracket to each connection point where the line is almost perpendicular,
The tip bracket mounting bracket can be parallel to the tip bracket, and the biasing bolt mounting bracket can also be parallel to the tower side yoke, and the tension device is mounted without a horizontal angle. Then, the bolt position correction tool can be attached and the bolt position can be corrected without any change.
また、第１の連結点のみならず、第２の連結点も複数設けたことによって、第１の連結
点と第２の連結点との点間距離や、第１の連結点と第２の連結点とを結ぶ線の角度が多様
となり、様々な耐張装置に使用することができる。
Further, by providing not only the first connection point but also a plurality of second connection points, the distance between the first connection point and the second connection point, the first connection point and the second connection point, or the like. The angles of the lines connecting the connection points are diverse, and can be used for various tension devices.
さらに、取付角度の調整を行う際も、いずれか一方の付勢ボルトを伸張させれば良いだ
けであるから、調節作業を簡単且つ短時間に完了させることができる。
Furthermore, when adjusting the mounting angle, it is only necessary to extend one of the urging bolts, so that the adjustment operation can be completed easily and in a short time.
さらにまた、先端金具を一対の先端金具取付金具で挟持することで、突起部が先端金具
と固定金具との隙間から抜け出すことがなく、また、先端金具取付金具が、先端金具の両
面に取り付けられるため、付勢ボルト取付金具の付勢ボルトによって鉄塔側ヨークを付勢
した際に、先端金具取付金具に生じる導体側への張力に対して偏心することがなく、簡単
な取り付けであるにも拘らず、安定した取り付けが可能となる。
Furthermore, by holding the tip bracket with a pair of tip bracket mounting brackets, the protruding portion does not come out from the gap between the tip bracket and the fixing bracket, and the tip bracket mounting bracket is attached to both sides of the tip bracket. Therefore, when the tower side yoke is urged by the urging bolt of the urging bolt mounting bracket, it is not decentered with respect to the tension on the conductor side that occurs in the end bracket mounting bracket, but it is easy to mount. Therefore, stable installation is possible.
以下、この発明の実施形態を図面に基づいて詳細に説明する。この発明の実施形態に係
るボルト位置修正工具１は、図１（ａ）（ｂ）に示すように、一対の先端金具取付金具２
、２と一対の付勢ボルト取付金具８、８とから構成されている。
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. As shown in FIGS. 1A and 1B, a bolt position correcting tool 1 according to an embodiment of the present invention includes a pair of tip metal fittings 2.
2 and a pair of urging bolt mounting brackets 8 and 8.
先端金具取付金具２は、平板状の基体３と、基体３の略中央部から略直角方向に延出さ
れた突起部４と、基体３の一方端部から他方端部を中心として、弧を描くように延出され
た延出部５とから構成されている。また、延出部５には、付勢ボルト取付金具８を連結す
るための第１の連結孔（連結点）６が、略等間隔に且つ軸心に沿って複数設けられ、基体
３の他方端部にも、付勢ボルト取付金具８を連結するための第２の連結孔（連結点）７が
、略等間隔に且つ軸心に沿って複数設けられている。
The tip metal fitting 2 has an arc around a flat base 3, a protrusion 4 extending in a substantially right-angle direction from a substantially central portion of the base 3, and the other end from one end of the base 3. It is comprised from the extension part 5 extended so that it might draw. The extension portion 5 is provided with a plurality of first connection holes (connection points) 6 for connecting the urging bolt mounting bracket 8 at substantially equal intervals and along the axial center. Also at the end, a plurality of second connection holes (connection points) 7 for connecting the urging bolt mounting bracket 8 are provided at substantially equal intervals and along the axis.
これら各連結孔６、７は、基体３の一方端部（すなわち、延出部５基端）に最も近い第
１の連結孔６と、基体３の延出部５基端に最も近い第２の連結孔７とが対となり、基体３
の延出部５基端から２番目に近い第１の連結孔６と、基体３の延出部５基端から２番目に
近い第２の連結孔７とが対となっており、さらに、基体３の延出部５基端から３番目に近
い第１の連結孔６と、基体３の延出部５基端から３番目に近い第２の連結孔７とが対とな
っている。すなわち、基体３の延出部５基端からｎ番目に近い第１の連結孔６と、基体３
の延出部５基端からｎ番目に近い第２の連結孔７とが対となっている。また、対となる第
１の連結孔６と第２の連結孔７との孔間距離は、それぞれ略同長とされている。
Each of the connection holes 6 and 7 includes a first connection hole 6 that is closest to one end portion of the base 3 (that is, the base end of the extension portion 5) and a second connection point that is closest to the base end of the extension portion 5 of the base body 3. The connecting hole 7 is paired with the base 3
The first connection hole 6 that is the second closest from the base end of the extension part 5 and the second connection hole 7 that is the second closest from the base end of the extension part 5 of the base 3 are paired, and A first connection hole 6 that is the third closest to the base end of the extension portion 5 of the base 3 and a second connection hole 7 that is the third closest to the base end of the extension portion 5 of the base 3 are paired. That is, the first connecting hole 6 that is nth closest to the base end of the extending portion 5 of the base 3 and the base 3
The second connection hole 7 that is nth closest to the base end of the extended portion 5 is paired. In addition, the distance between the first connecting hole 6 and the second connecting hole 7 that form a pair is substantially the same length.
また、基体３の延出部５基端に最も近い第１の連結孔６と、基体３の延出部５基端に最
も近い第２の連結孔７とを結ぶ線は、基体３と略平行とされ、他の対となる第１の連結孔
６と第２の連結孔７とを結ぶ線は、基体３に対して角度を持った状態とされている。具体
的には、基体３の延出部５基端から離れるにつれて、基体３に対して傾斜が大きくなって
おり、２番目に近い連結孔６、７同士を結ぶ線は、基体３となす角度が約１５度で、３番
目に近い連結孔６、７同士を結ぶ線は、基体３となす角が約３０度とされている。
The line connecting the first connection hole 6 closest to the base end of the extension part 5 of the base 3 and the second connection hole 7 closest to the base end of the extension part 5 of the base 3 is substantially the same as the base 3. A line connecting the first connection hole 6 and the second connection hole 7 which are parallel to each other is in a state having an angle with respect to the base 3. Specifically, as the distance from the base end of the extension portion 5 of the base 3 increases, the inclination with respect to the base 3 increases, and the line connecting the second closest connection holes 6 and 7 is an angle formed with the base 3. Is about 15 degrees, and the line connecting the third closest connection holes 6 and 7 has an angle of about 30 degrees with the base 3.
付勢ボルト取付金具８は、鉄塔側ヨーク２５の厚みと同程度の隙間を有して対向する２
枚の平板９、９の一方端部同士を連結するボルト基台１０と、ボルト基台１０に螺着され
る付勢ボルト１１とから構成されている。付勢ボルト１１は、平板９、９の反対側からボ
ルト基台１０に螺着され、付勢ボルト１１の先端は、ボルト基台１０から平板９、９の隙
間内に突出した状態とされている。そして、付勢ボルト１１をレンチ等でねじ回すことに
より、付勢ボルト１１を伸張、すなわち、ボルト基台１０から平板９、９側への突出量を
増減させる。また、付勢ボルト１１の平板９、９側には、ボルト基台１０からの抜けを防
止するためのナットが螺着されている。また、２枚の平板９、９の他方端部には、先端金
具取付金具２と連結するための連結孔１２がそれぞれ設けられている。
The urging bolt mounting bracket 8 is opposed to the steel tower side yoke 25 with a gap approximately equal to the thickness of the tower side yoke 25.
It comprises a bolt base 10 that connects one end portions of the flat plates 9 and 9, and a biasing bolt 11 that is screwed to the bolt base 10. The biasing bolt 11 is screwed to the bolt base 10 from the opposite side of the flat plates 9 and 9, and the tip of the biasing bolt 11 is projected from the bolt base 10 into the gap between the flat plates 9 and 9. Yes. Then, the urging bolt 11 is screwed with a wrench or the like, so that the urging bolt 11 is extended, that is, the amount of protrusion from the bolt base 10 toward the flat plates 9 and 9 is increased or decreased. Further, a nut for preventing the urging bolt 11 from coming off from the bolt base 10 is screwed to the flat plates 9 and 9 side. Further, at the other end of the two flat plates 9, 9, a connecting hole 12 for connecting to the tip metal fitting 2 is provided.
そして、一対の先端金具取付金具２、２の第１の連結孔６、６と、一方の付勢ボルト取
付金具８の連結孔１２とにボルト等を挿通させるとともに、一対の先端金具取付金具２、
２の第２の連結孔７、７と、他方の付勢ボルト取付金具８の連結孔１２とにボルト等を挿
通させることによって、ボルト位置修正工具１が構成される。
And while inserting a bolt etc. in the 1st connection holes 6 and 6 of a pair of tip metal fittings 2 and 2, and the connection hole 12 of one energizing bolt installation metal 8, a pair of tip metal fittings 2 ,
The bolt position correction tool 1 is configured by inserting a bolt or the like through the second connection holes 7 and 7 of the second and the connection hole 12 of the other biasing bolt mounting bracket 8.
次に、鉄塔２０と、導体（図示しない）の連結された耐張装置との連結部分について図
面に基づいて詳細に説明する。鉄塔２０には、図２（ａ）（ｂ）に示すように、固定金具
２１がボルト等で強固に連結され、この固定金具２１と先端金具２３とがシャフト２２を
介して連結されている。具体的には、固定金具２１の導体側（図において右側）端部は、
三つ又とされ、且つ水平方向に連通する孔が形成されており、また、先端金具２３の鉄塔
側端部は、二又とされ、且つ水平方向に連通する孔が形成されており、先端金具２３の二
又を、固定金具２１の三つ又に嵌合させるとともに、それぞれの孔にシャフト２２を連通
させることで、固定金具２１と先端金具２３とが連結されている。
Next, a connecting portion between the steel tower 20 and a tension device to which a conductor (not shown) is connected will be described in detail with reference to the drawings. As shown in FIGS. 2 (a) and 2 (b), the fixing bracket 21 is firmly connected to the steel tower 20 with a bolt or the like, and the fixing bracket 21 and the tip fitting 23 are connected via a shaft 22. Specifically, the conductor side (right side in the figure) end of the fixing bracket 21 is
A hole that is trifurcated and communicates in the horizontal direction is formed, and a steel tower side end portion of the tip fitting 23 is bifurcated and a hole that communicates in the horizontal direction is formed. The fixing bracket 21 and the tip fitting 23 are connected to each other by fitting the two forks into the trifurcation of the fixing bracket 21 and connecting the shaft 22 to the respective holes.
また、先端金具２３の導体側は、板厚方向に二又とされており、鉄塔側ヨーク２５と、
碍子連２６とを少なくとも備える耐張装置の鉄塔側ヨーク２５が、先端金具２３の導体側
の二又内に位置され、鉄塔側ヨーク２５と先端金具２３とに跨ってコッタボルト２４が挿
通されることで、鉄塔側ヨーク２５と先端金具２３とが連結されている。そして、鉄塔側
ヨーク２５に連結された碍子連２６に種々の金具を介して導体が連結されることにより、
導体が鉄塔２０に張設されている。
Further, the conductor side of the end fitting 23 is forked in the plate thickness direction, and the tower side yoke 25,
The tower side yoke 25 of the tension device including at least the insulator series 26 is positioned in the fork of the conductor side of the end fitting 23, and the cotter bolt 24 is inserted across the tower side yoke 25 and the end fitting 23. Thus, the tower-side yoke 25 and the tip metal fitting 23 are connected. And by connecting a conductor via various metal fittings to the insulator series 26 connected to the tower side yoke 25,
A conductor is stretched on the steel tower 20.
次に、コッタボルト２４の位置修正の手順について詳細に説明する。まず、付勢ボルト
取付金具８、８の２枚の平板９、９の間に鉄塔側ヨーク２５を挿入させる。この際、図３
（ａ）に示すように、一対の付勢ボルト取付金具８、８が、鉄塔側ヨーク２５の両端部近
傍に位置するように、且つ鉄塔側ヨーク２５の軸心と平行となるようにしておく。また、
鉄塔側ヨーク２５の導体側から鉄塔２０側に向けて挿入させ、鉄塔側ヨーク２５の導体側
端面と、付勢ボルト取付金具８、８の付勢ボルト１１、１１のボルト軸端面とを対向させ
ておくとともに、平板９、９に設けられた連結孔１２、１２を、鉄塔側ヨーク２５から鉄
塔２０側に突出させた状態としておく。
Next, the procedure for correcting the position of the cotter bolt 24 will be described in detail. First, the tower-side yoke 25 is inserted between the two flat plates 9 and 9 of the urging bolt mounting brackets 8 and 8. At this time, FIG.
As shown to (a), it is made for a pair of urging | biasing bolt attachment brackets 8 and 8 to be located in the vicinity of the both ends of the tower side yoke 25, and to be parallel to the axial center of the tower side yoke 25. . Also,
Inserted from the conductor side of the steel tower side yoke 25 toward the steel tower 20 side, the conductor side end face of the steel tower side yoke 25 and the bolt shaft end faces of the energizing bolts 11 and 11 of the energizing bolt mounting brackets 8 and 8 face each other. In addition, the connection holes 12 and 12 provided in the flat plates 9 and 9 are made to protrude from the tower side yoke 25 to the tower 20 side.
次に、図３（ｂ）に示すように、一対の先端金具取付金具２、２の間に先端金具２３を
位置させるとともに、図４に示すように、一対の先端金具取付金具２、２の突起部４、４
を、先端金具２３と固定金具２１との連結部に生じた隙間にそれぞれ挿入させる。具体的
には、三つ又とされた固定金具２１の導体側端部と、二又とされた先端金具２３の鉄塔側
端部との嵌合部において、先端金具２３の二又の間に生じた、固定金具２１と先端金具２
３との隙間に、先端金具取付金具２の突起部４を挿入し、先端金具取付金具２を先端金具
２３に係止させる。この状態において、図５に示すように、一対の先端金具取付金具２、
２に設けられた第１の連結孔６、６及び第２の連結孔７、７と、一対の付勢ボルト取付金
具８、８の連結孔１２・・とが対向した状態となる。
Next, as shown in FIG. 3B, the tip fitting 23 is positioned between the pair of tip fitting mounting brackets 2 and 2, and as shown in FIG. Protrusions 4, 4
Are inserted into the gaps formed at the connecting portion between the tip fitting 23 and the fixing fitting 21, respectively. Specifically, it occurred between the two ends of the end fitting 23 at the fitting portion between the conductor side end of the trifurcated fixing bracket 21 and the tower end of the bifurcated end fitting 23. , Fixing bracket 21 and tip bracket 2
The protrusion 4 of the end fitting mounting bracket 2 is inserted into the gap with the tip fitting 3, and the tip mounting bracket 2 is locked to the tip fitting 23. In this state, as shown in FIG.
The first connection holes 6, 6 and the second connection holes 7, 7 provided in 2, and the connection holes 12,... Of the pair of urging bolt mounting brackets 8, 8 face each other.
耐張装置が鉄塔２０に対して直角に連結されている場合、すなわち、耐張装置が水平角
を有しないで鉄塔２０に連結されている場合は、先端金具取付金具２の延出部５基端に最
も近い第１の連結孔６と、延出部５基端に最も近い第２の連結孔７に、それぞれボルトを
挿入するとともに、このボルトを各付勢ボルト取付金具８、８の連結孔１２・・にも挿通
させ、さらに、反対側のもう１枚の先端金具取付金具２の延出部５基端に最も近い第１の
連結孔６と、延出部５基端に最も近い第２の連結孔７にも、それぞれ挿通させ、反対側の
先端金具取付金具２から突出したボルト端部にナットを螺着することで、先端金具２３を
一対の先端金具取付金具２、２で挟持させ、ボルト位置修正工具１の取り付けを完了する
。
When the tension device is connected to the steel tower 20 at a right angle, that is, when the tension device is connected to the steel tower 20 without having a horizontal angle, the five extension portions of the tip fitting 2 are attached. Bolts are respectively inserted into the first connection hole 6 closest to the end and the second connection hole 7 closest to the base end of the extension portion 5, and this bolt is connected to each of the urging bolt mounting brackets 8, 8. The first connecting hole 6 that is also inserted into the holes 12... And that is closest to the base end of the extension part 5 of the other end metal fitting 2 on the opposite side and the base end of the extension part 5 are closest. Each of the end fittings 23 is inserted into the second connecting holes 7 and screwed onto the bolt ends projecting from the opposite end fitting fitting 2 so that the tip fitting 23 is connected with the pair of tip fittings 2 and 2. The attachment of the bolt position correcting tool 1 is completed.
そして、一対の付勢ボルト取付金具８、８の付勢ボルト１１、１１を、左右のねじ込み
量がほぼ等しくなるように交互に回していき、鉄塔側ヨーク２５を鉄塔２０側（図４、５
の矢印方向）に付勢することで、コッタボルト２４に負荷されていた荷重を緩める。
Then, the urging bolts 11 and 11 of the pair of urging bolt mounting brackets 8 and 8 are alternately rotated so that the left and right screwing amounts are substantially equal, and the tower-side yoke 25 is moved to the tower 20 side (FIGS. 4 and 5).
The load applied to the cotter bolt 24 is loosened by urging in the direction of the arrow.
コッタボルト２４に負荷されていた荷重が十分に緩まった状態、すなわち、ボルト位置
修正工具１が、コッタボルト２４に負荷されていた荷重を負担した状態で、コッタボルト
２４のボルト頭と先端金具２３とが当接する（若しくは、僅かに隙間を有した状態となる
）まで、コッタボルト２４のナットをねじ込み、耐張装置取付時の当初の形態に戻す。そ
して、必要に応じて、ナットの緩み止めを施して、コッタボルト２４の位置修正を完了す
る。なお、コッタボルト２４は、位置を修正する以外にも、コッタボルト２４自体を交換
しても良い。この場合、コッタボルト２４に負荷されている荷重を、完全にボルト位置修
正工具１に負担させる必要がある。
In a state where the load applied to the cotter bolt 24 is sufficiently loosened, that is, in a state where the bolt position correction tool 1 bears the load applied to the cotter bolt 24, the bolt head of the cotter bolt 24 and the tip fitting 23 are The nut of the cotter bolt 24 is screwed in until it abuts (or is in a state having a slight gap) to return to the original form when the tension device is attached. Then, if necessary, the nut is prevented from loosening, and the correction of the position of the cotter bolt 24 is completed. The cotter bolt 24 may be replaced in addition to correcting the position. In this case, it is necessary to completely load the bolt position correcting tool 1 with the load applied to the cotter bolt 24.
コッタボルト２４の位置修正が完了した後、まず、付勢ボルト取付金具８、８の付勢ボ
ルト１１、１１をねじ回して付勢を止め、ボルト位置修正工具１が負担していた荷重をコ
ッタボルト２４に戻す。そして、付勢ボルト取付金具８、８と、先端金具取付金具２、２
とを連結していたボルトを外し、それぞれを先端金具２３や鉄塔側ヨーク２５から外すこ
とで作業を完了する。
After the correction of the position of the cotter bolt 24 is completed, first, the urging bolts 11 and 11 of the urging bolt mounting brackets 8 and 8 are screwed to stop the urging, and the load borne by the bolt position correcting tool 1 is applied to the cotter bolt 24. Return to. And the urging bolt mounting brackets 8, 8 and the tip bracket mounting brackets 2, 2
The bolts that are connected to each other are removed, and each is removed from the end fitting 23 and the tower-side yoke 25 to complete the operation.
このように、ボルト位置修正工具１が、先端金具取付金具２と付勢ボルト取付金具８の
２つの部材を連結することで構成されているから、取付作業が容易であり、また、耐張装
置の鉄塔側ヨーク２５を鉄塔２０側に付勢する手段として、付勢ボルト１１を用いている
ため、油圧シリンダを用いる場合に比べて、工具の軽量化を図ることができるとともに、
作業に必要な道具がレンチのみであるため、油圧ポンプとの接続や取り外し作業の手間を
省くことができる。
Thus, since the bolt position correcting tool 1 is constituted by connecting the two members of the tip fitting mounting bracket 2 and the urging bolt mounting bracket 8, the mounting work is easy, and the tension device Since the biasing bolt 11 is used as a means for biasing the steel tower side yoke 25 toward the steel tower 20, the weight of the tool can be reduced as compared with the case of using a hydraulic cylinder,
Since the only tool required for the work is a wrench, it is possible to save time and labor for connection to and removal from the hydraulic pump.
また、一対の付勢ボルト取付金具８、８を備え、それぞれの付勢ボルト１１、１１によ
って、鉄塔側ヨーク２５を鉄塔２０側に付勢する構成としていることから、１箇所で付勢
する場合に比べて、安定した付勢が行えるとともに、付勢によって鉄塔側ヨーク２５に回
転が生じた場合でも、いずれか一方の付勢ボルト１１を伸張させることで回転を解消させ
ることができ、作業性向上を図ることができる。また、付勢ボルト取付金具８は、常に張
力のみを負担する構成であるため、付勢ボルト取付金具８自身が回転する虞はなく、従っ
て、鉄塔側ヨーク２５と連結する必要もない。
In addition, since a pair of urging bolt mounting brackets 8 and 8 are provided, and the urging bolts 11 and 11 are used to urge the tower-side yoke 25 toward the tower 20 side, the urging is performed at one place. Compared to the above, stable urging can be performed, and even when rotation occurs in the tower-side yoke 25 due to urging, the rotation can be eliminated by extending one of the urging bolts 11, and workability can be improved. Improvements can be made. Further, since the biasing bolt mounting bracket 8 is configured to always bear only the tension, the biasing bolt mounting bracket 8 itself is not likely to rotate, and therefore, it is not necessary to connect to the tower side yoke 25.
さらに、先端金具２３を一対の先端金具取付金具２、２で挟持しているため、突起部４
、４が先端金具２３と固定金具２１との隙間から抜け出すことがなく、また、先端金具取
付金具２が、先端金具２３の両面に取り付けられるため、一対の付勢ボルト取付金具８、
８の付勢ボルト１１、１１によって鉄塔側ヨーク２５を付勢した際に、一対の先端金具取
付金具２、２にそれぞれ生じる導体側への張力に対して偏心することがなく、簡単な取り
付けであるにも拘らず、安定した状態で、ボルト位置修正金具１を取り付けることができ
る。
Further, since the tip fitting 23 is sandwiched between the pair of tip fitting mounting brackets 2 and 2, the protrusion 4
4 does not come out of the gap between the tip fitting 23 and the fixing fitting 21, and the tip fitting mounting bracket 2 is attached to both surfaces of the tip fitting 23.
When the tower-side yoke 25 is urged by the eight urging bolts 11 and 11, there is no eccentricity with respect to the tension on the conductor side generated in the pair of tip fittings 2 and 2, respectively, and simple attachment. Nevertheless, the bolt position correcting bracket 1 can be attached in a stable state.
次に、耐張装置が鉄塔２０に対して水平角を有した状態で連結されている場合について
説明する。この場合も、上記手順と同様であるが、先端金具取付金具２に複数設けられた
第１の連結孔６・・及び第２の連結孔７・・のうち、最も延出部５基端に近い連結孔６、
７ではなく、図６（ａ）（ｂ）に示すように、２番目、若しくは３番目に近い連結孔６、
７に、付勢ボルト取付金具８、８を連結する。そうすると、長さの等しい２つの付勢ボル
ト取付金具８、８を使用した場合でも、鉄塔側ヨーク２５の導体側端面と、付勢ボルト取
付金具８、８のボルト基台１０、１０同士を結ぶ線とが、ほぼ平行となるとともに、先端
金具取付金具２の基体３と、先端金具２３とがほぼ平行に位置される。さらに、対となる
第１の連結孔６と第２の連結孔７との孔間距離が、それぞれ略同長とされているため、耐
張装置が水平角を有しない状態で取り付けられた場合と、何ら変わりなくボルト位置修正
工具１を取り付け、コッタボルト２４の位置修正を行うことができる。なお、それぞれの
長さが異なる付勢ボルト取付金具を用いた場合は、延出部５に最も近い第１の連結孔６及
び第２の連結孔７に、付勢ボルト取付金具を連結しても取り付けは可能であるが、付勢ボ
ルト取付金具が、先端金具２３や碍子連２６に干渉する虞があり、適当ではない。
Next, the case where the tension device is connected to the steel tower 20 with a horizontal angle will be described. In this case as well, the procedure is the same as above, but of the first connecting hole 6... And the second connecting hole 7. Close connecting hole 6,
7, as shown in FIGS. 6 (a) and 6 (b), the second or third closest connection hole 6,
7 is connected to the urging bolt mounting brackets 8 and 8. Then, even when two urging bolt mounting brackets 8 and 8 having the same length are used, the conductor side end surface of the tower side yoke 25 and the bolt bases 10 and 10 of the urging bolt mounting brackets 8 and 8 are connected to each other. The line is substantially parallel, and the base 3 of the tip fitting mounting bracket 2 and the tip fitting 23 are positioned substantially parallel. Furthermore, since the distance between the first connecting hole 6 and the second connecting hole 7 that are paired is approximately the same length, the tension device is attached without having a horizontal angle. Then, the bolt position correcting tool 1 can be attached without any change, and the position of the cotter bolt 24 can be corrected. When the biasing bolt mounting brackets having different lengths are used, the biasing bolt mounting bracket is connected to the first connecting hole 6 and the second connecting hole 7 that are closest to the extending portion 5. However, there is a possibility that the urging bolt mounting bracket may interfere with the tip bracket 23 and the lever series 26, which is not appropriate.
また、上記実施例のように、対となる各連結孔６、７に付勢ボルト取付金具８、８を連
結するだけに限らず、鉄塔側ヨーク２５の幅が大きい場合、例えば、先端金具取付金具２
の基体３の延出部５基端に最も近い第１の連結孔６と、基体３の延出部５基端から３番目
に近い第２の連結孔７とに、付勢ボルト取付金具８、８を連結するといった使い方も可能
である。これに加えて、鉄塔側ヨーク２５の角度が、対となる各連結孔６、７を結ぶ線と
合わない場合には、例えば、基体３の延出部５基端から３番目に近い第１の連結孔６と、
基体３の延出部５基端に最も近い第２の連結孔７とに、付勢ボルト取付金具８、８を連結
するといった使い方も可能であり、様々な耐張装置に対応することができる。
Further, as in the above-described embodiment, not only the urging bolt mounting brackets 8 and 8 are coupled to the paired coupling holes 6 and 7, but also when the width of the tower side yoke 25 is large, for example, the mounting of the tip bracket Bracket 2
The urging bolt mounting bracket 8 is connected to the first connection hole 6 closest to the base end of the extension portion 5 of the base 3 and the second connection hole 7 closest to the base end of the extension portion 5 of the base 3. , 8 can be connected. In addition to this, when the angle of the tower-side yoke 25 does not match the line connecting the connecting holes 6 and 7 that form a pair, for example, the first third closest to the base end of the extension portion 5 of the base 3 Connecting hole 6 of
It is also possible to connect the urging bolt mounting brackets 8 and 8 to the second connection hole 7 closest to the base end of the extension portion 5 of the base body 3, and it is possible to cope with various tension devices. .
以上に、この発明の具体的な実施の形態について説明したが、この発明は上記実施形態
に限定されるものではなく、この発明の範囲内で種々変更して実施することが可能である
。例えば、上記実施例では、第１及び第２の連結孔６、７として、それぞれ３つ設けてい
たが、あくまで例示であって、２つでも４つ以上であっても良い。
Although specific embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made within the scope of the present invention. For example, in the above-described embodiment, three first and second connection holes 6 and 7 are provided. However, the first and second connection holes 6 and 7 are merely examples, and may be two or four or more.
１・・ボルト位置修正工具、２・・先端金具取付金具、３・・基体、４・・突起部、５
・・延出部、６・・第１の連結孔、７・・第２の連結孔、８・・付勢ボルト取付金具、１
１・・付勢ボルト、２０・・鉄塔、２１・・固定金具、２３・・先端金具、２４・・コッ
タボルト、２５・・鉄塔側ヨーク
1 .. Bolt position correction tool 2.. Tip bracket mounting bracket 3.. Base body 4.
..Extension part, 6 .. First connection hole, 7.. Second connection hole, 8.
1 .. Energizing bolt, 20 .. Steel tower, 21 .. Fixing bracket, 23 .. Tip bracket, 24 .. Cotter bolt, 25.
Claims (4)
固定金具（２１）を介して連結された先端金具（２３）と、耐張装置の鉄塔側ヨーク（２
５）とを連結するボルト（２４）に負荷されている張力を緩めるボルト位置修正工具であ
って、ボルト位置修正工具（１）は、先端金具取付金具（２）と、付勢ボルト取付金具（
８）とからなり、先端金具取付金具（２）は、先端金具（２３）に係止可能な突起部（４
）を備え、付勢ボルト取付金具（８）は、先端金具取付金具（２）と連結されるとともに
、鉄塔側ヨーク（２５）を鉄塔（２０）側に付勢する付勢ボルト（１１）を備えているこ
とを特徴とするボルト位置修正工具。 By urging the tower side yoke (25) of the tension device to the steel tower (20) side, the tip metal fitting (23) connected to the steel tower (20) via the fixing metal fitting (21), and the tension device Steel tower side yoke (2
5) is a bolt position correction tool for loosening the tension applied to the bolt (24), and the bolt position correction tool (1) includes a tip metal fitting (2) and an urging bolt metal fitting (
8), and the tip fitting mounting bracket (2) is a protrusion (4) that can be locked to the tip fitting (23).
), And the urging bolt mounting bracket (8) is connected to the tip bracket mounting bracket (2), and the urging bolt (11) for urging the tower side yoke (25) toward the tower (20) side. A bolt position correcting tool characterized by comprising:
付勢ボルト取付金具（８）（８）は、鉄塔側ヨーク（２５）の軸心と略平行となるように
、且つ鉄塔側ヨーク（２５）の両端部近傍に位置されるように、先端金具取付金具（２）
にそれぞれ連結されるとともに、付勢ボルト（１１）は、鉄塔側ヨーク（２５）の導体側
端面と対向して位置される請求項１に記載のボルト位置修正工具。 The bolt position correcting tool (1) includes a pair of biasing bolt mounting brackets (8) and (8), and the pair of biasing bolt mounting brackets (8) and (8) are connected to the axis of the tower-side yoke (25). Tip fitting mounting bracket (2) so as to be substantially parallel and located in the vicinity of both ends of the tower side yoke (25)
The bolt position correcting tool according to claim 1, wherein the biasing bolt (11) is positioned opposite to the conductor side end face of the tower side yoke (25).
部から、基体（３）の他方端部を中心に弧を描くように延出された延出部（５）とからな
り、延出部（５）には、付勢ボルト取付金具（８）を連結するための第１の連結点（６）
が複数設けられ、基体（３）の他方端部には、付勢ボルト取付金具（８）を連結するため
の第２の連結点（７）が複数設けられ、基体（３）の一方端部に最も近い第１の連結点（
６）と、基体（３）の一方端部に最も近い第２の連結点（７）との点間距離と、基体（３
）の一方端部にｎ番目に近い第１の連結点（６）と、基体（３）の一方端部にｎ番目に近
い第２の連結点（７）との点間距離とが略同長とされていることを特徴とする請求項１又
は２に記載のボルト位置修正工具。 The tip metal fitting (2) extends from the base (3) having the protrusion (4) and an arc from the one end of the base (3) around the other end of the base (3). A first connecting point (6) for connecting a biasing bolt mounting bracket (8) to the extending portion (5).
A plurality of second connection points (7) for connecting the urging bolt mounting bracket (8) are provided at the other end of the base (3), and one end of the base (3) is provided. The first connecting point closest to (
6) and the point-to-point distance between the second connection point (7) closest to one end of the base (3) and the base (3
The distance between the first connection point (6) closest to the n-th end of the first connection point and the second connection point (7) closest to the n-th end of the base (3) is substantially the same. The bolt position correcting tool according to claim 1 or 2, wherein the bolt position correcting tool is long.
取付金具（２）（２）間に、先端金具（２３）を位置させるとともに、突起部（４）を、
固定金具（２１）と先端金具（２３）との連結部に生じた隙間にそれぞれ挿入させ、先端
金具取付金具（２）（２）を先端金具（２３）に係止させるとともに、一対の先端金具取
付金具（２）（２）に跨ってボルトを挿通し、ナットを螺着することにより、先端金具（
２３）を一対の先端金具取付金具（２）（２）で挟持することを特徴とする請求項１乃至
３のいずれかに記載のボルト位置修正金具。 The bolt position correcting bracket (1) includes a pair of tip bracket mounting brackets (2) and (2). The tip bracket (23) is positioned between the tip bracket mounting brackets (2) and (2), and a protrusion ( 4)
A pair of tip brackets are inserted into the gaps formed in the connecting portion between the fixing bracket (21) and the tip bracket (23), and the tip bracket mounting brackets (2) and (2) are locked to the tip bracket (23). Insert the bolts over the mounting brackets (2) and (2) and screw the nuts into the end brackets (
The bolt position correcting bracket according to any one of claims 1 to 3, wherein 23) is sandwiched between a pair of tip bracket mounting brackets (2) and (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010060883A JP5505970B2 (en) | 2010-03-17 | 2010-03-17 | Bolt position correction tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010060883A JP5505970B2 (en) | 2010-03-17 | 2010-03-17 | Bolt position correction tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2011199935A JP2011199935A (en) | 2011-10-06 |
| JP5505970B2 true JP5505970B2 (en) | 2014-05-28 |
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ID=44877459
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010060883A Active JP5505970B2 (en) | 2010-03-17 | 2010-03-17 | Bolt position correction tool |
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|---|---|
| JP (1) | JP5505970B2 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116408639B (en) * | 2023-03-17 | 2024-05-17 | 国网安徽省电力有限公司宿州供电公司 | Electric power wire jumper drainage board bolt centering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3586042B2 (en) * | 1996-04-15 | 2004-11-10 | 四国電力株式会社 | Yoke bolt replacement device |
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2010
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2011199935A (en) | 2011-10-06 |
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