JPH022024Y2 - - Google Patents
Info
- Publication number
- JPH022024Y2 JPH022024Y2 JP18438584U JP18438584U JPH022024Y2 JP H022024 Y2 JPH022024 Y2 JP H022024Y2 JP 18438584 U JP18438584 U JP 18438584U JP 18438584 U JP18438584 U JP 18438584U JP H022024 Y2 JPH022024 Y2 JP H022024Y2
- Authority
- JP
- Japan
- Prior art keywords
- clamp body
- ground wire
- steel tower
- angle iron
- washer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000002131 composite material Substances 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 9
- 229910000746 Structural steel Inorganic materials 0.000 description 18
- 230000003287 optical effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
- Mechanical Coupling Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、光フアイバケーブルを架空地線内に
収容してなる光フアイバ複合架空地線を鉄塔部分
で鉄塔頂部から引き下す際に、光フアイバ複合架
空地線を鉄塔部材に固定するための鉄塔引下し部
の固定具に関する。[Detailed description of the invention] [Industrial application field] The present invention is designed to reduce the amount of light when an optical fiber composite overhead ground wire, in which an optical fiber cable is accommodated in the overhead ground wire, is pulled down from the top of the steel tower at the steel tower section. The present invention relates to a fixture for a steel tower pull-down section for fixing a fiber composite overhead ground wire to a steel tower member.
鉄塔の両側の光フアイバ複合架空地線の光フア
イバケーブルをその鉄塔部において相互に接続す
る場合、光フアイバ複合架空地線（以下、複合地
線と略す）を鉄塔頂部に一旦引き留めた後、その
余長部分を無張力状態で下方位置の光ケーブル接
続箱まで引き下して光ケーブル接続を行うが、そ
の際、鉄塔部材に沿わせて引き下された複合地線
が不安定とならないように、該複合地線を固定具
を用いて鉄塔部材に固定する必要があるが、従来
は種々異なるサイズの鉄塔部材に対しても対応す
ることのできる適切な複合地線の固定具が開発さ
れていないものであつた。
When connecting the optical fiber cables of the optical fiber composite overhead ground wires on both sides of the tower to each other at the tower section, the optical fiber composite overhead ground wires (hereinafter referred to as "composite ground wires") are once tied to the top of the tower, and then The optical cable is connected by pulling the excess length under no tension to the optical cable junction box located below. At this time, the composite ground wire that has been pulled down along the steel tower member must be connected so that it does not become unstable. It is necessary to fix the composite ground wire to the steel tower member using a fixing device, but until now no suitable composite ground wire fixing device that can be used for steel tower members of various sizes has been developed. It was hot.
本考案は上記事情に鑑み、いかなるサイズの鉄
塔部材（一般に山形鋼）にも対応できる複合地線
の鉄塔引下し部の固定具を得ることを目的とする
ものである。
In view of the above circumstances, the object of the present invention is to obtain a fixing device for the lowering portion of a steel tower of a composite ground wire that can be used with steel tower members of any size (generally made of angle iron).
本考案においては、上記目的を達成するため、
固定具を両辺部分がねじ棒とされた直角をなすク
ランプ本体と、そのクランプ本体の直角部に向い
た凹面を持つ樋状ワツシヤおよび前記ねじ棒に螺
合したナツトにより構成した。
In this invention, in order to achieve the above purpose,
The fixture is composed of a right-angled clamp body whose both sides are threaded rods, a gutter-like washer having a concave surface facing the right-angled portion of the clamp body, and a nut screwed onto the threaded rod.
クランプ本体を鉄塔部材の山形鋼に互いの直角
方向を合わせて当て、両辺側のそれぞれにおいて
ねじ棒部に通したワツシヤを、その樋状の凹面側
で山形鋼の縁部を抱き込むように当て、ナツトで
締め付ける。この状態でクランプ本体は、山形鋼
の縁部を抱き込んだワツシヤによる係止力で山形
剛に固定される。複合地線は、クランプ本体に固
定された支持板において支持される。
Apply the clamp body to the angle iron of the steel tower member with their perpendicular directions aligned with each other, and apply the washer passed through the threaded rod part on each of both sides so that the gutter-shaped concave side hugs the edge of the angle iron. , tighten with nuts. In this state, the clamp body is fixed to the angle iron by the locking force of the washer that hugs the edge of the angle iron. The composite ground wire is supported on a support plate fixed to the clamp body.
以下本考案の一実施例を第１図〜第４図に従つ
て説明する。
An embodiment of the present invention will be described below with reference to FIGS. 1 to 4.
まず、第３図により光フアイバ複合架空地線１
０の鉄塔頂部からの引下しの状態を説明すると、
鉄塔１１の両側の複合地線１０は、引留めクラン
プ１２により鉄塔頂部に一旦引き留められた後、
その余長部分１０ａが下方位置にある光ケーブル
接続箱１３まで引き下され、この複合地線１０の
内部の光ケーブルが光ケーブル接続箱１３内で相
互に接続される。そして、引き下される複合地線
１０は、複数個所において、鉄塔部材である山形
鋼１４に対して第１図、第２図に示す如く、本考
案の固定具１５により固定される。 First, as shown in Figure 3, the optical fiber composite overhead ground wire 1
To explain the state of pulling down from the top of the steel tower,
After the composite ground wires 10 on both sides of the steel tower 11 are once held at the top of the steel tower by the holding clamps 12,
The extra length portion 10a is pulled down to the optical cable junction box 13 located at the lower position, and the optical cables inside this composite ground wire 10 are connected to each other within the optical cable junction box 13. Then, the composite ground wire 10 to be pulled down is fixed to the angle iron 14, which is a steel tower member, at a plurality of locations using the fixtures 15 of the present invention, as shown in FIGS. 1 and 2.
固定具１５は、棒材を直角に屈曲してなるクラ
ンプ本体１６の両辺部分にねじを切つてこの両辺
部分をねじ棒１６ａとなし、各ねじ棒１６ａに、
クランプ本体１６の直角部１６ｂに向いた凹面１
７ａを持つ樋状のワツシヤ１７、およびナツト１
８を設け、一方のねじ棒１６ａに支持板１９の長
孔１９ａの部分を２個のナツト２０により固定し
たものである。そして複合地線１０は、ケーブル
受溝２１ａを持つ押え金具２１と前記支持板１９
とで挟み、ボルト２２、ナツト２３により両者２
１，１９を締め合わせて支持板１９に固定する。 The fixture 15 is made by bending a bar at right angles and cutting threads on both sides of the clamp body 16 to form threaded rods 16a.
Concave surface 1 facing right angle portion 16b of clamp body 16
A gutter-like washer 17 with 7a and a nut 1
8, and the elongated hole 19a of the support plate 19 is fixed to one threaded rod 16a with two nuts 20. The composite ground wire 10 includes a holding metal fitting 21 having a cable receiving groove 21a and the support plate 19.
and tighten both 2 with bolt 22 and nut 23.
1 and 19 are tightened and fixed to the support plate 19.
前記固定具１５の山形鋼１４への固定は、第１
図に示す如く、クランプ本体１６を山形鋼１４に
互いの直角方向を合わせて当て、ねじ棒１６ａに
通したワツシヤ１７の外側からナツト１８を締め
付けて行う。これにより、樋状のワツシヤ１７が
その凹面１７ａの一縁部近傍で山形鋼１４の縁部
１４ａを抱き、ワツシヤ１７の他縁部１７ｂがク
ランプ本体１６の外面に当つて山形鋼１４の縁部
１４ａを安定して掴み、クランプ本体１６の山形
鋼１４への固定が行われる。 The fixing tool 15 is fixed to the angle iron 14 by the first
As shown in the figure, the clamp body 16 is applied to the angle iron 14 with their mutually perpendicular directions aligned, and the nut 18 is tightened from the outside of the washer 17 passed through the threaded rod 16a. As a result, the gutter-shaped washer 17 holds the edge 14a of the angle iron 14 near one edge of its concave surface 17a, and the other edge 17b of the washer 17 touches the outer surface of the clamp body 16, and the edge of the angle iron 14 14a is stably gripped, and the clamp body 16 is fixed to the angle iron 14.
山形鋼１４の辺の長さが変化しても、ナツト１
８の締付け位置が変わるだけであるから、いかな
る辺の長さにも対応でき、また山形鋼１４の板厚
が変化しても、樋状のワツシヤ１７の凹面１７ａ
側で掴むので、いかなる板厚寸法にも対応でき
る。 Even if the length of the side of the angle iron 14 changes, the nut 1
Since only the tightening position of the washer 8 changes, it can be adapted to any side length, and even if the thickness of the angle iron 14 changes, the concave surface 17a of the trough-shaped washer 17 can be adjusted.
Since it is gripped on the side, it can be used with any plate thickness.
なお、実施例のワツシヤ１７は半円弧状断面の
樋状であるが、例えば、第４図の如き角形開放断
面の樋状のワツシヤ２４、その他種々のものが考
えられ、要するに、単なる平面的なワツシヤでな
く、山形鋼の縁部１４ａに係止可能な縁部１７
ｃ，２４ａ、およびクランプ本体１６の外面に当
る縁部１７ｂ，２４ｂを持つものであればよい。 Although the washer 17 in the embodiment is gutter-shaped with a semi-circular arc cross section, for example, a gutter-shaped washer 24 with a rectangular open cross section as shown in FIG. Edge 17 that can be locked to edge 14a of angle iron instead of washer
c, 24a, and edges 17b, 24b that contact the outer surface of the clamp body 16.
また、クランプ本体１６の山形鋼１４への固定
は、実施例の如く山形鋼１４の外面側に当てて行
うものに限らず、内面側に当てて行うこともでき
る。 Further, the clamp body 16 is fixed to the angle iron 14 not only by applying it to the outer surface of the angle iron 14 as in the embodiment, but also by applying it to the inner surface of the angle iron 14.
また、クランプ本体１６の山形鋼１４に当てる
部分は、実施例の如き棒状のものに限らず、直角
をなすものであれば、板状、その他の形状でもよ
い。 Further, the portion of the clamp body 16 that contacts the angle iron 14 is not limited to the rod shape as in the embodiment, but may be a plate shape or any other shape as long as it forms a right angle.
また、支持板１９のクランプ本体１６への固定
は、実施例の如くねじ棒１６ａ部分に２個のナツ
ト２０により締め付けて行うものに限らず、任意
である。 Furthermore, the support plate 19 can be fixed to the clamp body 16 in any manner other than by tightening the two nuts 20 to the threaded rod 16a as in the embodiment.
なお、支持板１９に設ける押え金具２１は、通
常、複合地線１０の外傷を極力防ぐために、鉄塔
の内側に配置する。 Note that the holding metal fitting 21 provided on the support plate 19 is usually placed inside the steel tower in order to prevent damage to the composite ground wire 10 as much as possible.
以上の如く本考案によれば、固定具を両辺部分
がねじ棒とされた直角をなすクランプ本体と、そ
のクランプ本体の直角部に向いた凹面を持つ樋状
のワツシヤおよび前記ねじ棒に螺合したナツトに
より構成したので、１種類の固定具を用意するだ
けであらゆるサイズの山形の鉄塔部材に対応する
ことができる。したがつて、設計あるいは製作上
の繁雑さがなく、汎用性に富むので大きなコスト
低減効果がもたらされるものである。
As described above, according to the present invention, the fixture is screwed into a right-angled clamp body whose both sides are threaded rods, a trough-shaped washer having a concave surface facing the right-angled portion of the clamp body, and the threaded rod. Since the structure is made of nuts, it is possible to handle all sizes of chevron-shaped steel tower members by simply preparing one type of fixing tool. Therefore, it is not complicated in design or manufacturing, and is highly versatile, resulting in a large cost reduction effect.
第１図は本考案の固定具の一実施例を示す平面
図、第２図は第１図の側面図、第３図は上記固定
具の使用状態を示す鉄塔部分の概略側面図、第４
図は本考案の固定具におけるワツシヤの他の実施
例を示す平面図である。
１０……光フアイバ複合架空地線（複合地線）、
１４……山形鋼（鉄塔部材）、１５……固定具、
１６……クランプ本体、１６ａ……ねじ棒、１６
ｂ……直角部、１７，２４……ワツシヤ、１７ａ
……凹面、１８……ナツト、１９……支持板、２
１……押え金具。
Fig. 1 is a plan view showing one embodiment of the fixing device of the present invention, Fig. 2 is a side view of Fig. 1, Fig. 3 is a schematic side view of the steel tower portion showing the usage state of the above-mentioned fixing device, and Fig. 4
The figure is a plan view showing another embodiment of the washer in the fixture of the present invention. 10... Optical fiber composite overhead ground wire (composite ground wire),
14... Angle steel (steel tower member), 15... Fixture,
16...Clamp body, 16a...Threaded rod, 16
b... Right angle part, 17, 24... Washer, 17a
... Concave surface, 18 ... Nut, 19 ... Support plate, 2
1... Presser metal fitting.
Claims (1)
棒１６ａにより形成され、このねじ棒１６ａ部分
に前記クランプ本体１６の直角部１６ｂに向いた
凹面１７ａを持つ樋状のワツシヤ１７、およびナ
ツト１８を備え、光フアイバ複合架空地線１０を
支持する支持板１９が前記クランプ本体１６に固
定された光フアイバ複合架空地線の鉄塔引下し部
の固定具。 Both sides of the clamp body 16 forming a right angle are formed by a threaded rod 16a, and the threaded rod 16a portion is provided with a gutter-shaped washer 17 having a concave surface 17a facing the right angle portion 16b of the clamp body 16, and a nut 18, A fixing device for a steel tower pull-down portion of an optical fiber composite overhead ground wire, in which a support plate 19 supporting an optical fiber composite overhead ground wire 10 is fixed to the clamp body 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18438584U JPH022024Y2 (en) | 1984-12-05 | 1984-12-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18438584U JPH022024Y2 (en) | 1984-12-05 | 1984-12-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6198327U JPS6198327U (en) | 1986-06-24 |
| JPH022024Y2 true JPH022024Y2 (en) | 1990-01-18 |
Family
ID=30741872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18438584U Expired JPH022024Y2 (en) | 1984-12-05 | 1984-12-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH022024Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4868567B2 (en) * | 2004-10-29 | 2012-02-01 | 東邦電気工業株式会社 | Optical drop cable retainer for utility pole |
-
1984
- 1984-12-05 JP JP18438584U patent/JPH022024Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6198327U (en) | 1986-06-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH022024Y2 (en) | ||
| JPH05881Y2 (en) | ||
| JPH0237226Y2 (en) | ||
| GB2031507A (en) | Cleat for clamping an electric cable, pipe run or the like to a support bar | |
| JPH0312009Y2 (en) | ||
| JP2936992B2 (en) | Construction method of equipment piping at steel beam penetration and equipment piping fixture at steel beam penetration | |
| JPH0847151A (en) | Cable cleat | |
| JPH0246200Y2 (en) | ||
| JPH036115Y2 (en) | ||
| JPH0341501Y2 (en) | ||
| JPH0514654Y2 (en) | ||
| JPS6332969Y2 (en) | ||
| JPH0333156Y2 (en) | ||
| JPH0516827Y2 (en) | ||
| JPS628410Y2 (en) | ||
| JPH0756574Y2 (en) | Overhead ground wire clamp | |
| JPS6116747Y2 (en) | ||
| JPS6345803Y2 (en) | ||
| JP3018854U (en) | Frame connection structure | |
| JPS5936096Y2 (en) | Communication cable holder for work inside manholes | |
| JPS6338685Y2 (en) | ||
| JPH0998527A (en) | Jumper clamp for earth wire | |
| JPS6131275Y2 (en) | ||
| JP3476597B2 (en) | Yoke bracket | |
| JPH0130820Y2 (en) |