JP3014517B2 - Manufacturing method of optical fiber combined overhead ground wire - Google Patents
Manufacturing method of optical fiber combined overhead ground wireInfo
- Publication number
- JP3014517B2 JP3014517B2 JP3313683A JP31368391A JP3014517B2 JP 3014517 B2 JP3014517 B2 JP 3014517B2 JP 3313683 A JP3313683 A JP 3313683A JP 31368391 A JP31368391 A JP 31368391A JP 3014517 B2 JP3014517 B2 JP 3014517B2
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- ground wire
- wire
- overhead ground
- twisted
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4415—Cables for special applications
- G02B6/4416—Heterogeneous cables
- G02B6/4422—Heterogeneous cables of the overhead type
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4479—Manufacturing methods of optical cables
- G02B6/449—Twisting
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Communication Cables (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は光ファイバ複合架空地線
の製造方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an optical fiber composite overhead ground wire.
【０００２】[0002]
【従来の技術】従来、光ファイバユニットの外周面上
に、アルミ被覆鋼線、アルミ合金線等を撚合した光ファ
イバ複合架空地線においては、図４及び図５に示すよう
に光ファイバ複合架空地線２０の外径をＤ、該光ファイ
バ複合架空地線２０をばらけさせた撚合素線２２の１ピ
ッチ間における山と谷との間の間隔をＨとし、Ｈ／Ｄ
（以下型付率と言う）がＨ／Ｄ＝１．０前後、また、素
線の材質によっては型付率がＨ／Ｄ＝０．８前後となる
ように光ファイバユニット２１の外周面上に素線２２を
撚り合わせることが、光ファイバ複合架空地線の両端部
のバインドを取り外し拘束のない状態にした際、スプリ
ングバックによる撚合素線２２のばらけの発生しない最
良の製造方法とされていた。2. Description of the Related Art Conventionally, an optical fiber composite overhead ground wire in which an aluminum-coated steel wire, an aluminum alloy wire, or the like is twisted on the outer peripheral surface of an optical fiber unit, as shown in FIGS. The outer diameter of the overhead ground wire 20 is D, the interval between the peak and the valley in one pitch of the twisted strand 22 in which the optical fiber composite overhead ground wire 20 is separated is H, and H / D
(Hereinafter referred to as “molding ratio ”), H / D = around 1.0,
Depending on the material of the wire, it is possible to twist the element wire 22 on the outer peripheral surface of the optical fiber unit 21 so that the molding ratio becomes about H / D = 0.8 , by binding the two ends of the optical fiber composite overhead ground wire. Is considered to be the best manufacturing method in which the twisted strands 22 do not disperse due to springback when they are removed and restrained.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、光ファ
イバ複合架空地線２０を前述した型付率Ｈ／Ｄで製造し
た場合、撚線速度、素線の長手方向への伸び率（長手方
向の素線性能）のバラツキ等により、光ファイバ複合架
空地線の両端部のバインドを取り外し拘束のない状態に
した際、時としてスプリングバックによる撚合素線２２
のばらけが発生するという問題点があった。However, when the optical fiber composite overhead ground wire 20 is manufactured at the above-mentioned mold ratio H / D, the twisting speed, the elongation rate of the strand in the longitudinal direction (the longitudinal extension of the strand), and the like. When the binding at both ends of the optical fiber composite overhead ground wire is removed and unconstrained due to the variation of the wire performance), sometimes the twisted strand 22 due to springback is sometimes used.
There is a problem that the dispersion occurs.
【０００４】本発明は上記問題点に鑑みなされたもの
で、スプリングバックによる撚合素線のばらけの発生の
ない光ファイバ複合架空地線の製造方法を提供すること
を目的とする。SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a method of manufacturing an optical fiber composite overhead ground wire in which twisted strands do not disperse due to springback.
【０００５】[0005]
【課題を解決するための手段】前記の課題を解決するた
め、本発明の光ファイバ複合架空地線の製造方法は、中
心の光ファイバユニットの外周に架空地線の撚合素線層
を有する光ファイバ複合架空地線の製造方法において、
光ファイバ複合架空地線１の外径Ｄと、光ファイバ複合
架空地線をばらけさせた撚合素線の１ピッチ間における
山と谷との間の間隔Ｈとの比Ｈ／Ｄを０．８５≦Ｈ／Ｄ
≦０．９５とし、かつ、前記撚合素線層の撚線開始時か
ら撚線終了時までの前記Ｈ／Ｄの値の変化率を５％以内
となるように、前記光ファイバユニットの外周面上に前
記素線を撚合することを特徴とする方法である。 Means for Solving the Problems To solve the above problems,
Therefore, the method for manufacturing an optical fiber composite overhead ground wire according to the present invention includes
A twisted strand layer of an overhead ground wire on the outer circumference of the core optical fiber unit
In the method for manufacturing an optical fiber composite overhead ground wire having
The outer diameter D of the optical fiber composite overhead ground wire 1, the ratio H / D between the distance H between the peaks and valleys between one pitch of twisted Gomotosen obtained by loose optical fiber composite overhead ground wire 0 .85 ≦ H / D
≤ 0.95 , and whether the twisted strand of the twisted strand starts
The optical fiber unit is mounted on the outer peripheral surface of the optical fiber unit so that the rate of change of the H / D value from the time when the twist is completed to the end of the twisted wire is within 5%.
It is a method characterized by twisting a recording element wire.
【０００６】[0006]
【作用】型付率Ｈ／Ｄを０．８５≦Ｈ／Ｄ≦０．９５と
し、かつ、撚線開始時から撚線終了時までの型付率Ｈ／
Ｄの変化率が５％以内になるように、撚り口長さ１、面
板６、６の間隔Ｌ、撚り口における締皮８の摩耗、締皮
８の締付力、ブッシュ７の摩耗、撚り口への給油の有
無、ボビンブレーキ５の強弱の各条件を選択して、光フ
ァイバユニットの外周面上に前記素線を撚合することに
より、光ファイバ複合架空地線の両端部のバインドを取
り外したときのスプリングバックによる撚合素線のばら
けが防止される。 [Function] The mold ratio H / D is set to 0.85 ≦ H / D ≦ 0.95 .
And, whether the One, from the time of stranded start to the twisted wire end typed rate H /
As D rate of change is within 5%, more opening length 1, the distance L of the face plate 6, 6, the clamping skin 8 in twisted mouth wear, clamping force of the clamping skin 8, the wear of the bushing 7, twisted the presence or absence of oil supply to the mouth, by selecting the conditions of the strength of the bobbin brake 5, light off
Twisting the wires on the outer peripheral surface of the fiber unit
More, it rose <br/> only the twisted wires by spring back of detaching the bound at both ends of the optical fiber composite overhead ground wire is prevented.
【０００７】ちなみに、撚り口長さ１と面板６、６の間
隔Ｌを型付率Ｈ／Ｄが小さくなる側にセットすると、型
付率Ｈ／Ｄは増々小さくなる。また、締皮８の摩耗及び
締皮８の締付力が小さく、ブッシュ７の摩耗が大きく、
撚り口への給油が無く、ボビンブレーキ５の締付力が大
きいほど、撚線開始時と撚線終了時での型付率Ｈ／Ｄの
変化率は大きくなる。By the way, when the length L of the twist opening and the distance L between the face plates 6 and 6 are set on the side where the mold ratio H / D becomes smaller, the mold ratio H / D becomes smaller. Further, the wear of the skin 8 and the tightening force of the skin 8 are small, and the wear of the bush 7 is large.
As there is no oil supply to the twisting port and the tightening force of the bobbin brake 5 is larger, the rate of change in the mold ratio H / D between the start and the end of the twisting becomes larger.
【０００８】[0008]
【実施例】以下、本発明の光ファイバ複合架空地線の製
造方法の実施例を図面により説明する。図１は光ファイ
バユニットの外周に架空地線の素線を撚合して光ファイ
バ複合架空地線を製造する撚合装置を示し、図２はこの
光ファイバ複合架空地線の外層の撚合素線層を示し、図
３はこの撚合素線層をばらけさせた個々の素線の１条を
示した図である。図１において、３は光ファイバユニッ
トであり、２はこの光ファイバユニット３の外周面上に
撚合する架空地線の素線である。個々の素線２はそれぞ
れボビンブレーキ５を備えた個々のボビン４に巻回され
ており、この各ボビン４から供給された個々の素線２
は、複数の面板６にそれぞれ複数個設けられた個々のブ
ッシュ７内を通って撚合装置の撚り口に導入され、ま
た、光ファイバユニット３は各面板６の中心を通して撚
り口に導入され、この撚り口において、中心の光ファイ
バユニット３の外周面上に前記の各素線２が撚合され、
この撚り口における前記光ファイバユニット外周面上の
撚合素線層の外周が締皮８で締め付けられて、光ファイ
バユニット３の外周に素線２が撚合された光ファイバ複
合架空地線１が製造される。 DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An optical fiber composite overhead ground wire according to the present invention will now be described .
An embodiment of the manufacturing method will be described with reference to the drawings. Figure 1 shows the optical fiber
An optical ground wire is twisted around the outer periphery of the base unit.
FIG. 2 shows a twisting device for manufacturing a composite overhead ground wire, and FIG.
The figure shows the twisted strand layer of the outer layer of the optical fiber composite overhead ground wire,
3 is one of the individual strands obtained by separating the stranded strands.
FIG. In FIG. 1, reference numeral 3 denotes an optical fiber unit.
2 is on the outer peripheral surface of the optical fiber unit 3.
It is a strand of the ground wire to be twisted. Each strand 2
Wound around individual bobbins 4 with bobbin brakes 5
And the individual wires 2 supplied from each bobbin 4
Are the individual blocks provided on the plurality of face plates 6, respectively.
Through the mesh 7 and into the twist opening of the twisting device.
The optical fiber unit 3 is twisted through the center of each face plate 6.
Into the center of the optical fiber
Each element wire 2 is twisted on the outer peripheral surface of the ba unit 3,
On the outer peripheral surface of the optical fiber unit at this twist port
The outer periphery of the twisted element wire layer is fastened with
An optical fiber duplex in which the strand 2 is twisted around the outer periphery of the base unit 3
The overlaid ground wire 1 is manufactured.
【０００９】図２に示すように光ファイバユニット３の
外周に素線２を撚合した光ファイバ複合架空地線１の外
径をＤとし、この光ファイバユニット外周の撚合素線を
ばらけさせた図３に示す個々の素線２の１ピッチ間にお
ける山と谷との間の間隔をＨとし、この間隔Ｈと外径Ｄ
との比の型付率Ｈ／Ｄが０．８５≦Ｈ／Ｄ≦０．９５に
なるように、かつ、撚線開始時から撚線終了時までの型
付率Ｈ／Ｄの変化率が５％以内になるように、撚り口長
さ１、面板６、６の間隔Ｌ、撚り口における締皮８の摩
耗、締皮８の締付力、ブッシュ７の摩耗、撚り口への給
油の有無、ボビンブレーキ５の締付力の強弱の各条件を
選択して、光ファイバユニット３の外周面上に素線２を
撚合し光ファイバ複合架空地線１を製造する。 [0009] As shown in FIG .
Outside the optical fiber composite overhead ground wire 1 in which the strand 2 is twisted on the outer circumference
The diameter is D, and the twisted strand around this optical fiber unit is
The pitch between the individual strands 2 shown in FIG.
The distance between the peak and the valley to be cut is defined as H, and the distance H and the outer diameter D
The ratio H / D of 0.85 ≦ H / D ≦ 0.95
And from the start of the stranded wire to the end of the stranded wire
Twist opening length so that the rate of change of the ratio H / D is within 5%
1, the distance L between the face plates 6, 6 and the friction of the
Wear, tightening force of the skin 8, wear of the bush 7, supply to the twist opening
Check each condition of the presence or absence of oil and the strength of the tightening force of the bobbin brake 5.
Select the wire 2 on the outer peripheral surface of the optical fiber unit 3.
The optical fiber composite overhead ground wire 1 is manufactured by twisting.
【００１０】前記の撚り口長さ１、面板６、６の間隔
Ｌ、撚り口における締皮８の摩耗Ｍ、締皮８の締付力
Ｃ、ブッシュ７の摩耗Ｂ、撚り口への給油Ｑ、ボビンブ
レーキ５の締付力Ｋの各条件を表１〜３に示すように異
ならせて、長さ２０００ｍの光ファイバ複合架空地線１
を製造した実施例１〜実施例３について、光ファイバ複
合架空地線１の両端部のバインドを外したときのスプリ
ングバックによる撚合素線のばらけの発生の有無につい
て調べたところ、本発明の方法により表４に示すように
良好な結果が得られた。 [0010] The length of the twist opening 1 and the distance between the face plates 6 and 6
L, wear M of the skin 8 at the twist opening, tightening force of the skin 8
C, wear B of bush 7, lubrication Q to twist opening, bobbin
The conditions for the tightening force K of the rake 5 are different as shown in Tables 1-3.
2,000m long optical fiber composite ground wire 1
Examples 1 to 3 in which the optical fiber
Split when unbound at both ends of the aerial wire 1
The occurrence of loosening of twisted strands due to
As shown in Table 4 according to the method of the present invention,
Good results were obtained.
【００１１】実施例１ 表１に示すように、撚り口の長さ１を２４０ｍｍに設定
し、各面板６、６の間隔Ｌ、撚り口の締皮８の摩耗Ｍ
（無は新品を使用）、撚り口の締皮８の締付力Ｃ、ブッ
シュ７の摩耗Ｂ、撚り口への給油Ｑ、ボビンブレーキ５
の締付力Ｋの各条件を表１のＮｏ．１〜８のように異な
らせて、光ファイバユニット３の外周面上に素線２を撚
合し光ファイバ複合架空地線１を製造した。この結果、
表１のＮｏ．１については、表４に示すように、型付率
Ｈ／Ｄが０．８５〜０．９５の範囲内にあり、かつ、撚
線開始時から撚線終了時までの型付率Ｈ／Ｄの値の変化
は５％以内であり、光ファイバ複合架空地線１の両端部
のバインドを外した際に撚合素線のばらけの発生はみら
れなかった。 [0011] As shown in Example 1 in Table 1, sets the length 1 of the twisted hole to 240 mm, wear M spacing L, more openings of tightening skin 8 of the face plate 6, 6
(Use a new one if none), tightening force C of the twisting skin 8, wear B of the bush 7, lubrication Q to the twisting opening, bobbin brake 5
No. Each condition of force tightening K of Table 1 Different like 1-8
And twist the strand 2 on the outer peripheral surface of the optical fiber unit 3.
Thus, an optical fiber composite overhead ground wire 1 was manufactured. As a result,
No. 1 in Table 1. As for Table 1, as shown in Table 4,
H / D is in the range of 0.85 to 0.95, and twist
Change in the value of the mold ratio H / D from the start of the wire to the end of the stranded wire
Is within 5%, and both ends of the optical fiber composite overhead ground wire 1
Of untwisted strands when unbinding
Was not.
【００１２】前記表１のＮｏ．２〜Ｎｏ．８については
型付率Ｈ／Ｄが０．８５〜０．９５の範囲内になく、か
つ、撚線開始時から撚線終了時までの型付率Ｈ／Ｄの値
の変化が５％以内にあるものは少なく、光ファイバ複合
架空地線１の両端部のバインドを外すと、スプリングバ
ックによる撚合素線のばらけの発生がみられた。 No. 1 in Table 1 above. 2-No. About 8
If the mold ratio H / D is not in the range of 0.85 to 0.95,
The value of the mold ratio H / D from the start of the stranded wire to the end of the stranded wire
Is less than 5%, optical fiber composite
When unbound at both ends of overhead ground wire 1, spring bar
The twisting of the twisted strand was caused by cracks.
【００１３】[0013]
【表１】 [Table 1]
【００１４】[0014]
【表４】 [Table 4]
【００１５】実施例２ 表２に示すように、撚り口の長さ１を２５０ｍｍに設定
し、各面板６、６の間隔Ｌを１００ｍｍに設定して、撚
り口の締皮８の摩耗Ｍ、撚り口の締皮８の締付力Ｃ、ブ
ッシュ７の摩耗Ｂ、撚り口への給油Ｑ、ボビンブレーキ
５の締付力Ｋの各条件を表２のＮｏ．１〜４のように異
ならせて、光ファイバユニット３の外周面上に素線２を
撚合し光ファイバ複合架空地線１を製造した。この結
果、表２のＮｏ．１及びＮｏ．２については、表４に示
すように、型付率Ｈ／Ｄが０．８５〜０．９５の範囲内
にあり、かつ撚線開始時から撚線終了時までの型付率Ｈ
／Ｄの値の変化が５％以内であり、光ファイバ複合架空
地線１の両端部のバインドを外した際に撚合素線のばら
けの発生はみられなかった。 [0015] As shown in Example 2 in Table 2, sets the length 1 of the twisted hole to 250mm
And, lubrication of the distance L of each face plate 6, 6 is set to 100 mm, wear M of twisting opening of the clamping skin 8, the tightening force of the twisted opening of tightening skin 8 C, to wear B, twisted hole of the bushing 7 Q, No. each condition of the clamping force K of the bobbin brake 5 of Table 2 1 and 4 , the wire 2 is placed on the outer peripheral surface of the optical fiber unit 3.
The optical fiber composite overhead ground wire 1 was produced by twisting. This result
As a result, No. 1 and No. 1 2 is shown in Table 4.
As described above, the molding ratio H / D is in the range of 0.85 to 0.95.
And the mold ratio H from the start of the stranded wire to the end of the stranded wire
/ D value change within 5%, optical fiber composite overhead
When the binding at both ends of the ground wire 1 is removed, the
No injuries occurred.
【００１６】表２のＮｏ．３及びＮｏ．４については型
付率Ｈ／Ｄが０．８５〜０．９５の範囲内になく、か
つ、撚線開始時から撚線終了時までの型付率Ｈ／Ｄの値
の変化が５％以内になく、光ファイバ複合架空地線１の
両端部のバインドを外すと、スプリングバックによる撚
合素線のばらけの発生がみられた。 In Table 2, No. 3 and No. 3 Type 4
If the ratio H / D is not in the range of 0.85 to 0.95,
The value of the mold ratio H / D from the start of the stranded wire to the end of the stranded wire
Of the optical fiber composite overhead ground wire 1 within 5%
Unbind the ends and twist by springback
Dispersion of the composite wire was observed.
【００１７】[0017]
【表２】 [Table 2]
【００１８】実施例３ 表３に示すように、撚り口の長さ１を２５０ｍｍに設定
し、各面板６、６の間隔Ｌを１１０ｍｍに設定し、撚り
口の締皮８の摩耗Ｍ、撚り口の締皮８の締付力Ｃ、ブッ
シュ７の摩耗Ｂ、撚り口への給油Ｑ、ボビンブレーキ５
の締付力Ｋの各条件を表３のＮｏ．１〜４のように異な
らせて、光ファイバユニットの外周面上に素線を撚合し
光ファイバ複合架空地線を製造した。この結果、表３の
Ｎｏ．１については、表４に示すように、型付率Ｈ／Ｄ
が０．８５〜０．９５の範囲内にあり、かつ、撚線開始
時から撚線終了時までの型付率Ｈ／Ｄの値の変化が５％
以内であり、光ファイバ複合架空地線の両端部のバイン
ドを外した際に撚合素線のばらけの発生はみられなかっ
た。 Example 3 As shown in Table 3, the length 1 of the twist opening was set to 250 mm.
Then, set the distance L between the face plates 6, 6 to 110 mm, and twist
Wear M of the mouth skin 8, tightening force C of the twist mouth skin 8,
Wear B of the shoe 7, lubrication Q to the twist opening, bobbin brake 5
Table 3 shows each condition of the tightening force K. Different like 1-4
And twist the strand on the outer surface of the optical fiber unit.
An optical fiber composite overhead ground wire was manufactured. As a result, Table 3
No. As for Table 1, as shown in Table 4, the molding rate H / D
Is in the range of 0.85 to 0.95 and the stranded wire starts
5% change in the molding rate H / D from time to the end of the stranded wire
Within the binder of both ends of the optical fiber composite overhead ground wire
No loosening of twisted strands is observed when the wire is removed
Was.
【００１９】表３のＮｏ．２〜４については型付率Ｈ／
Ｄが０．８５〜０．９５の範囲内になく、かつ、 撚線
開始時から撚線終了時までの型付率Ｈ／Ｄの値の変化が
５％の範囲内になく、光ファイバ複合架空地線の両端部
のバインドを外すと、スプリングバックによる撚合素線
のばらけの発生がみられた。 No. 3 in Table 3. For 2 to 4, the mold ratio H /
D is not in the range of 0.85 to 0.95 and stranded
From the start to the end of the stranded wire, the change in the value of the mold ratio H / D
Both ends of optical fiber composite ground wire not within 5%
Unbind, twisted strand by springback
The occurrence of looseness was observed.
【００２０】[0020]
【表３】 [Table 3]
【００２１】前記のように、撚り口の長さ１、面板６、
６の間隔Ｌ、撚り口の締皮８の摩耗Ｍ、撚り口の締皮８
の締付力Ｃ、ブッシュ７の摩耗Ｂ、撚り口への給油Ｑ、
ボビンブレーキ５の締付力Ｋの条件を選択して、型付率
Ｈ／Ｄを０．８５≦Ｈ／Ｄ≦０．９５とし、かつ撚線開
始時から撚線終了時までの型付率Ｈ／Ｄの値の変化率が
５％以内の変化率となるように、光ファイバユニットの
外周面上に前記素線を撚合することにより、光ファイバ
複合架空地線の両端部のバインドを外した際に撚合素線
のばらけの発生のない光ファイバ複合架空地線が得られ
る。 As described above, the length of the twist opening is 1, the face plate 6,
6, the spacing L of 6, the wear M of the twisting skin 8 and the twisting skin 8
The tightening force C, the wear B of the bush 7, the lubrication Q to the twist opening,
Select the condition of the tightening force K of the bobbin brake 5 and
H / D is set to 0.85 ≦ H / D ≦ 0.95 and twisted wire is opened.
From the start to the end of the stranded wire, the rate of change of the mold ratio H / D is
The optical fiber unit must be changed so that the rate of change is within 5%.
By twisting the element wire on the outer peripheral surface, the optical fiber
Twisted strand when unbound at both ends of composite overhead ground wire
An optical fiber composite overhead ground wire without dispersion is obtained.
You.
【００２２】[0022]
【発明の効果】本発明の光ファイバ複合架空地線の製造
方法は前記のように、光ファイバ複合架空地線の外径Ｄ
と光ファイバ複合架空地線をばらけさせた撚合素線の１
ピッチ間における山と谷との間の間隔Ｈとの比Ｈ／Ｄを
０．８５≦Ｈ／Ｄ≦０．９５とし、かつ前記撚合素線層
の撚線開始時から撚線終了時までの前記Ｈ／Ｄの値の変
化率が５％以内となるように、光ファイバユニットの外
周面上に素線を撚合するようにしたことにより、両端部
のバインドを外した際にスプリングバックによる撚合素
線のばらけの発生のない光ファイバ複合架空地線を得る
ことができる。 The optical fiber composite overhead ground wire of the present invention is manufactured.
The method is, as described above, the outer diameter D of the optical fiber composite ground wire.
Of the twisted element wire which separated the optical fiber composite ground wire
The ratio H / D of the interval H between the peak and the valley between the pitches is
0.85 ≦ H / D ≦ 0.95, and the twisted strand layer
Of the value of H / D from the start of twisting to the end of twisting
Outside the optical fiber unit so that the conversion rate is within 5%.
By that the wires to be twisted on the peripheral surface, to obtain a generation without optical fiber composite overhead ground wire loosened the twisted wires by scan pulling back when you remove the binding of the ends
be able to.
【図１】本発明の方法により光ファイバ複合架空地線を
製造する撚合装置を示す図 FIG. 1 shows an optical fiber composite overhead ground wire according to the method of the present invention.
Diagram showing the twisting device to be manufactured
【図２】光ファイバ複合架空地線の外層の撚合素線層を
示す図 Fig. 2 shows the twisted strand layer of the outer layer of the optical fiber composite overhead ground wire.
Diagram shown
【図３】撚合素線層をばらけさせた素線の１条を示す図 FIG. 3 is a diagram showing one strand of a strand in which a twisted strand layer is separated.
【図４】従来の光ファイバ複合架空地線の外層の撚合素
線層を示す図 FIG. 4 is a twisted element of the outer layer of a conventional optical fiber composite overhead ground wire
Diagram showing line layers
【図５】従来の撚合素線層をばらけさせた素線の１条を
示す図 FIG. 5 shows one strand of a conventional wire obtained by separating a twisted wire layer.
Diagram shown
１ 光ファイバ複合架空地線 ２ 素線 ３ 光ファイバユニット Reference Signs List 1 optical fiber composite ground wire 2 strand 3 optical fiber unit
───────────────────────────────────────────────────── フロントページの続き (72)発明者 木瀬 慶介 東京都千代田区丸の内２丁目６番１号 古河電気工業株式会社内 (56)参考文献 特開 平４−197541（ＪＰ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H01B 13/00 555 G02B 6/44 391 H01B 11/00 - 11/22 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Keisuke Kise 2-6-1 Marunouchi, Chiyoda-ku, Tokyo Inside Furukawa Electric Co., Ltd. (56) References JP-A-4-197541 (JP, A) (58) Field surveyed (Int. Cl. 7 , DB name) H01B 13/00 555 G02B 6/44 391 H01B 11/00-11/22
Claims (1)
地線の撚合素線層を有する光ファイバ複合架空地線の製
造方法において、光ファイバ複合架空地線の外径（Ｄ）
と、該光ファイバ複合架空地線をばらけさせた撚合素線
の１ピッチ間における山と谷との間の間隔（Ｈ）との比
Ｈ／Ｄを０．８５≦Ｈ／Ｄ≦０．９５とし、かつ、前記
撚合素線層の撚線開始時から撚線終了時までの前記Ｈ／
Ｄの値の変化率を５％以内になるように、光ファイバユ
ニットの外周面上に前記素線を撚合することを特徴とす
る光ファイバ複合架空地線の製造方法。1. A fictitious the outer periphery of the optical fiber unit of the medium-center
Fabrication of Optical Fiber Composite Overhead Ground Wire with Twisted Wire Layer of Ground Wire
In production method, the outer diameter of the optical fiber composite overhead ground wire (D)
And the ratio H / D between the peak and the valley ( H) between one pitch of the twisted strands in which the optical fiber composite overhead ground wire is separated is 0.85 ≦ H / D ≦ 0. .95 and said
The H / from the start of the stranded wire to the end of the stranded wire of the stranded wire layer
A method for manufacturing an optical fiber composite overhead ground wire, comprising twisting the element wire on the outer peripheral surface of the optical fiber unit so that the rate of change of the value D is within 5% .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3313683A JP3014517B2 (en) | 1991-10-31 | 1991-10-31 | Manufacturing method of optical fiber combined overhead ground wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3313683A JP3014517B2 (en) | 1991-10-31 | 1991-10-31 | Manufacturing method of optical fiber combined overhead ground wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05128921A JPH05128921A (en) | 1993-05-25 |
| JP3014517B2 true JP3014517B2 (en) | 2000-02-28 |
Family
ID=18044259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3313683A Expired - Fee Related JP3014517B2 (en) | 1991-10-31 | 1991-10-31 | Manufacturing method of optical fiber combined overhead ground wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3014517B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4768960B2 (en) | 2001-06-29 | 2011-09-07 | 株式会社ニュートリション・アクト | Nutritional requirement calculation device, nutritional supplement proposing device, nutritional supplement blending device, and nutritional supplement blending system |
-
1991
- 1991-10-31 JP JP3313683A patent/JP3014517B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05128921A (en) | 1993-05-25 |
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