JP3351777B2 - Method of attaching cable to inner wall of pipe, and cable support fitting used in the method - Google Patents
Method of attaching cable to inner wall of pipe, and cable support fitting used in the methodInfo
- Publication number
- JP3351777B2 JP3351777B2 JP2000085273A JP2000085273A JP3351777B2 JP 3351777 B2 JP3351777 B2 JP 3351777B2 JP 2000085273 A JP2000085273 A JP 2000085273A JP 2000085273 A JP2000085273 A JP 2000085273A JP 3351777 B2 JP3351777 B2 JP 3351777B2
- Authority
- JP
- Japan
- Prior art keywords
- cable
- pipe
- wall
- support
- support fitting
- 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 - Lifetime
Links
Landscapes
- Supports For Pipes And Cables (AREA)
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
【０００１】[0001]
【発明が属する技術分野】本発明は、熱可塑性樹脂管よ
りなる下水道管等の管内壁に通信用光ファイバー等のケ
ーブルを取り付ける方法と、該方法で用いられるケーブ
ル支持金具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for attaching a cable such as a communication optical fiber to a pipe inner wall such as a sewer pipe made of a thermoplastic resin pipe, and a cable support fitting used in the method.
【０００２】[0002]
【従来技術】樹脂管よりなる下水道管等の管内壁に光フ
ァイバー等のケーブルを支持させるための支持具として
特開平１０−６６２３８号には、ケーブル支持部と取付
部を一体に成形した熱可塑性樹脂よりなるケーブル支持
具と、取付部に形成される保持孔に挿入保持される円筒
状の金属製取付具よりなり、該取付具を通電させること
により発熱させて加熱しながら樹脂管に押し込んで溶着
固定するようにしたものが開示されている。2. Description of the Related Art Japanese Unexamined Patent Application Publication No. 10-66238 discloses a support for supporting a cable such as an optical fiber on the inner wall of a pipe such as a sewer pipe made of a resin pipe. And a cylindrical metal fitting that is inserted and held in a holding hole formed in the mounting part. An arrangement for fixing is disclosed.
【０００３】[0003]
【発明が解決しようとする課題】上述の支持具を用いて
ケーブルを管内壁に支持させる場合、ケーブル支持具で
ケーブルを捕捉係合して管内壁に押し付けた状態で金属
製取付具を発熱させて樹脂管内壁に押込み、溶着固定す
るようになっているが、ケーブルが光ファイバーである
場合、その性能補償温度は約６０℃と比較的低いため、
溶着時に取付具を加熱したときケーブルが熱的影響を受
けて性能保証温度を越えるおそれがある。When the cable is supported on the inner wall of the pipe by using the above-mentioned support, the metal fitting is heated while the cable is engaged by the cable support and pressed against the inner wall of the pipe. To be fixed by welding to the inner wall of the resin pipe, but when the cable is an optical fiber, its performance compensation temperature is relatively low at about 60 ° C.
When the fixture is heated during welding, the cable may be thermally affected and exceed the guaranteed performance temperature.
【０００４】本発明の第１の目的は、ケーブルが取付具
を溶着固定するときに熱的影響を受けることのないよう
にするためのケーブルの取付方法を提供しようとするも
のである。A first object of the present invention is to provide a method of attaching a cable so that the cable is not thermally affected when the attachment is welded and fixed.
【０００５】上記の目的は、ケーブル支持金具を樹脂管
内壁に溶着固定し、冷却したのち、ケーブルをケーブル
支持金具に係合させることにより達成することができる
が、この場合、支持金具と樹脂管内壁との間にはケーブ
ルを支持金具に掛けるため、ケーブルを通すだけの隙間
が必要となる。そしてケーブルを支持金具に掛けたとき
にはケーブルと樹脂管内壁との間に隙間ができるように
なる。下水道管の場合、ケーブルと樹脂管内壁との間に
隙間ができると、毛髪、その他のゴミが引掛かり、汚水
中のゴミが次第に溜まって流れを損なう不具合を生ずる
ようになる。[0005] The above object can be achieved by welding and fixing the cable support to the inner wall of the resin pipe, cooling the cable support, and then engaging the cable with the cable support. A gap is required between the wall and the wall to allow the cable to pass through, since the cable is hung on the support bracket. When the cable is hung on the support bracket, a gap is formed between the cable and the inner wall of the resin tube. In the case of a sewer pipe, if a gap is formed between the cable and the inner wall of the resin pipe, hair and other debris are caught, and the debris in the sewage gradually accumulates, causing a problem of impairing the flow.
【０００６】本発明の第２の目的は、ケーブルと樹脂管
内壁との間に隙間ができないようにするためのケーブル
の取付方法を提供しようとするものであり、第３の目的
は、上記方法で用いられる支持金具が樹脂管に確実に溶
着固定できるようなケーブル支持金具を提供しようとす
るものである。A second object of the present invention is to provide a cable for preventing a gap from being formed between a cable and an inner wall of a resin pipe.
A third object of the present invention is to provide a cable support fitting that can securely weld and fix the support fitting used in the above method to the resin pipe.
【０００７】[0007]
【課題の解決手段】請求項１記載の発明は、第１の目的
を達成するケーブルの取付方法に関するもので、熱可塑
性樹脂管よりなる下水道管等の管内にケーブルを通すス
テップと、上部に固定部を、下部に下向きに開口する狭
窄した入口と、該入口より押し込んだケーブルを係合支
持する保持部を有する支持金具の上記固定部を加熱させ
て上記管内壁に押込み、溶着固定するステップと、管内
壁に溶着固定された支持金具が冷却後、管内に通したケ
ーブルを支持金具に係合させるステップとよりなること
を特徴とする。The invention according to claim 1 relates to a method of attaching a cable which achieves the first object, wherein the step of passing the cable through a pipe such as a sewer pipe made of a thermoplastic resin pipe, and fixing the cable to the upper part. Section, opening downward at the bottom
The constricted entrance and the cable pushed from the entrance are engaged and supported.
Heating the fixing part of the support fitting having a holding part to hold it, press it into the inner wall of the pipe, and fix it by welding; after the support fitting fixed to the inner wall of the pipe cools, the cable passed through the pipe is passed through the support fitting. Engaging.
【０００８】本発明によると、支持金具を溶着固定し、
冷却したのちにケーブルが支持金具に係合され、ケーブ
ルを係合するときには支持金具は冷却されているので、
ケーブルが熱的影響を受けないようになる。また本発明
で用いられる支持金具によると、入口は下向きをなして
いるため、固定部を樹脂管に深く押し込んで溶着固定し
てもケーブルを入口より押し込んで保持部に係合させる
ことができる。本発明において、下水道管等の管内にケ
ーブルを通すステップは、支持金具を管内壁に溶着固定
するステップの前に行われてもよいし、後で行われても
よい。According to the present invention, the support metal is welded and fixed,
After cooling, the cable is engaged with the support bracket, and when the cable is engaged, the support bracket is cooled,
Cables are not thermally affected. The present invention
According to the support fitting used in the above , since the entrance is downward, even if the fixing portion is pushed deep into the resin pipe and fixed by welding, the cable can be pushed from the entrance and engaged with the holding portion. In the present invention, the step of passing a cable through a pipe such as a sewer pipe may be performed before or after the step of welding and fixing the support fitting to the pipe inner wall.
【０００９】支持金具として、例えば図１に示すよう
に、フック状部１を有し、支持金具２を樹脂管３に溶着
固定した状態でフック状部先端と管内壁との間にケーブ
ル４を押込んでフック状部１に係合させることができる
程の隙間ｃを形成したものでは、こうした隙間に汚水中
の毛髪、その他のゴミが付着し易い。 As shown in FIG. 1, for example, as shown in FIG. In the case where the gap c is formed such that it can be pushed into and engaged with the hook-shaped portion 1 , the sewage is formed in such a gap.
Hair and other garbage tend to adhere.
【００１０】請求項２記載の発明は、請求項１記載の発
明において、保持部に係合支持されるケーブルが管内壁
に接触する程度まで固定部を管に押し込んで溶着固定す
ることを特徴とする。According to a second aspect of the present invention , in the first aspect of the present invention , the fixing portion is pushed into the pipe until the cable engaged and supported by the holding section contacts the inner wall of the pipe, and is fixed by welding. I do.
【００１１】本発明によると、ケーブル支持金具に係合
するケーブルを管内壁に接触させ、管内壁との隙間をな
くすことができる。According to the present invention, the cable engaged with the cable support fitting can be brought into contact with the inner wall of the pipe to eliminate a gap with the inner wall of the pipe.
【００１２】請求項３記載の発明は、請求項１記載の発
明における固定部が、管軸方向に並ぶ一対の爪よりなる
ことを特徴とする。[0012] The invention according to claim 3 is the invention according to claim 1.
Fixed portion in the bright, characterized in that consists of a pair of claws arranged in the axial direction of the tube.
【００１３】固定部を爪とすることにより差込みが容易
となり、爪を一対設けることにより取付状態が安定す
る。また一対の爪を周方向に並設した場合、支持金具を
傾けた状態で押し込むと、一方の爪が深く、他方の爪が
浅く差し込まれて取付状態が安定しなくなるおそれがあ
るのに対し、一対の爪を管軸方向に並設した場合、支持
金具を傾けた状態で押込んでも、両爪を均一な深さで差
込むことができる。When the fixing portion is a claw, insertion becomes easy, and by providing a pair of claws, the mounting state is stabilized. Also, when a pair of claws are arranged side by side in the circumferential direction, if the support bracket is pushed in while inclined, one of the claws is inserted deeply and the other is inserted shallowly, whereas the mounting state may not be stable, When a pair of claws are juxtaposed in the tube axis direction, the claws can be inserted at a uniform depth even when the support fitting is pushed in an inclined state.
【００１４】本発明の支持金具は、図２に示すように、
下向きに開口する狭窄した入口６ａを有する支持金具６
で構成される。これにより取付部７を樹脂管８に深く差
し込んで溶着固定してもケーブル９を入口６ａより押し
込んで保持部に係合させることができる。[0014] The support bracket of the present invention, as shown in FIG. 2,
Support fitting 6 having a narrowed entrance 6a that opens downward
It consists of. As a result, even when the mounting portion 7 is inserted deep into the resin tube 8 and fixed by welding, the cable 9 can be pushed into the inlet 6a and engaged with the holding portion.
【００１５】[0015]
【発明の実施の形態】図３は、本発明の一実施形態であ
る支持金具１１を示すもので、上部に固定部を構成する
一対の爪１２を突設し、ケーブルが係合支持される彎曲
した保持部１４の下部に下向きに開口する狭窄した入口
１３を形成してなるものである。FIG. 3 shows a support fitting 11 according to an embodiment of the present invention, in which a pair of claws 12 constituting a fixing portion is protrudingly provided at an upper portion to engage and support a cable. A narrowed inlet 13 that opens downward is formed below the curved holding portion 14.
【００１６】図４に示すように、上記支持金具１１を熱
可塑性樹脂よりなる下水道管１５に取付けるときには、
例えば特開平１０−６６２３８号に示めされるようなロ
ボット（図示しない）を用い、該ロボットを管内に挿入
して移動させながら支持金具１１の取付時に該ロボット
を一旦停止させ、ついで該ロボットの保持装置に装着さ
れる支持金具１１を加熱させて押出し、管天井部に押込
んで、爪１２を管１５に差込み、溶着固定する。As shown in FIG. 4, when the support fitting 11 is attached to a sewer pipe 15 made of a thermoplastic resin,
For example, using a robot (not shown) as shown in Japanese Patent Application Laid-Open No. H10-66238, the robot is temporarily stopped when the support bracket 11 is mounted while moving by inserting the robot into a pipe, and then moving the robot. The support fitting 11 mounted on the holding device is heated and extruded, pushed into the pipe ceiling, and the claws 12 are inserted into the pipe 15 and fixed by welding.
【００１７】管天井部への押込みは図４に示すように、
支持金具１１の上部が管天井部に埋め込まれるまで行わ
れる。その後、管内に通したケーブル１６を特開平８−
１０３０１２号又は特願平１１−１９９８３９号に示さ
れるような管内を移動する上記とは別のロボット（図示
しない）を用いて捕捉し、支持金具１１の下向きに開口
する入口１３より押込んで保持部１４に係合支持させ
る。係合支持状態でケーブル１６は管内壁の天井部に接
触する。Pressing into the ceiling of the pipe, as shown in FIG.
The process is performed until the upper portion of the support fitting 11 is embedded in the pipe ceiling. After that, the cable 16 passed through the pipe was
No. 103012 or Japanese Patent Application No. Hei 11-199839, which is captured by using another robot (not shown) that moves in a pipe, and is pushed into the holding bracket 11 through an opening 13 opening downward, and the holding unit is held. 14 is engaged and supported. In the engaged and supported state, the cable 16 contacts the ceiling of the inner wall of the pipe.
【００１８】[0018]
【発明の効果】請求項１記載の発明によると、支持金具
を加熱させて樹脂管に溶着固定後に冷却してからケーブ
ルを支持金具に係合させるため、ケーブルが熱的影響を
受けることがなく、ケーブルの性能を損なうことがな
い。また支持金具は、ケーブルを押込む入口が下向きに
開口しているため、固定部を樹脂管に深く押込んで溶着
固定してもケーブルを支持金具に係合支持させることが
できる。According to the first aspect of the present invention, the cable is engaged with the support metal after the support metal is heated and cooled after being welded and fixed to the resin tube, so that the cable is not thermally affected. Without impairing the performance of the cable. In addition, since the support fitting has an opening for pushing the cable open downward , the cable can be engaged and supported by the support fitting even if the fixing portion is deeply pushed into the resin pipe and fixed by welding.
【００１９】請求項２記載の発明によると、ケーブルを
樹脂管に接触させ、隙間をなくした状態で取付けること
ができる。According to the second aspect of the present invention, the cable can be attached in a state where the cable is brought into contact with the resin tube and the gap is eliminated.
【００２０】請求項３記載の発明によると、ケーブル支
持金具を樹脂管内壁に傾けた状態で押込んでも、両爪を
樹脂管に均一な深さで差込み、確実に固定することがで
きる。According to the third aspect of the present invention, even when the cable support fitting is pushed into the resin pipe in an inclined state to the inner wall thereof, both claws can be inserted into the resin pipe at a uniform depth and securely fixed.
【図１】ケーブル支持金具の使用例を示す図。FIG. 1 is a diagram showing an example of use of a cable support.
【図２】別のケーブル支持金具の使用例を示す図。FIG. 2 is a diagram showing an example of use of another cable support.
【図３】本発明に係わるケーブル支持金具の斜視図。FIG. 3 is a perspective view of a cable support according to the present invention.
【図４】図３に示すケーブル支持金具の使用例を示す
図。FIG. 4 is a view showing an example of use of the cable support shown in FIG. 3;
１・・フック状部 ２、６、１１・・支持金具 ３、８、１５・・樹脂管 ４・・ケーブル ７・・取付部 ９、１６・・ケーブル １２・・爪 １３・・入口 １４・・保持部 1. Hook-shaped part 2, 6, 11 Support bracket 3, 8, 15 Resin pipe 4 Cable 7 Mounting part 9, 16 Cable 12, Claw 13, Inlet 14. Holder
───────────────────────────────────────────────────── フロントページの続き (72)発明者 杉本 克美 東京都千代田区大手町２丁目６−２ 東 京都下水道サービス株式会社内 (72)発明者 西脇 正明 東京都港区新橋５丁目33−11 日本ヒュ ーム管株式会社内 (72)発明者 小林 昭 広島市西区商工センター４丁目６−８ 株式会社コンセック内 (56)参考文献 特開 平10−66238（ＪＰ，Ａ) 特開 昭52−135094（ＪＰ，Ａ) 特開 平４−186304（ＪＰ，Ａ) 実公 昭37−16074（ＪＰ，Ｙ１) (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 1/06 F16L 3/02 G02B 6/46 H02G 9/00 H02G 9/06 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Katsumi Sugimoto 2-6-2 Otemachi, Chiyoda-ku, Tokyo Tokyo Metropolitan Sewer Services Co., Ltd. (72) Masaaki Nishiwaki 5-33-11 Shimbashi, Minato-ku, Tokyo Japan Hume Tube Co., Ltd. (72) Akira Kobayashi, Inventor 4- 6-8 Nishi-ku Commerce and Industry Center, Hiroshima City Consec Co., Ltd. (56) References JP-A-10-66238 (JP, A) JP-A-52-135094 (JP, A) Japanese Patent Application Laid-Open No. 4-186304 (JP, A) Japanese Utility Model Publication No. 37-16074 (JP, Y1) (58) Fields investigated (Int. Cl. 7 , DB name) H02G 1/06 F16L 3 / 02 G02B 6/46 H02G 9/00 H02G 9/06
Claims (3)
にケーブルを通すステップと、上部に固定部を、下部に
下向きに開口する狭窄した入口と、該入口より押し込ん
だケーブルを係合支持する保持部」を有する支持金具の
上記固定部を加熱させて上記管内壁に押込み、溶着固定
するステップと、管内壁に溶着固定された支持金具が冷
却後、管内に通したケーブルを支持金具に係合させるス
テップとよりなることを特徴とする管内壁へのケーブル
の取付方法。And 1. A step of passing the cable in the tube of the sewer pipe or the like made of a thermoplastic resin tube, a fixing portion to the upper, the lower
A constricted entrance that opens downward, and is pushed through the entrance.
Support bracket having a holding portion engaging supports "the cable
Heating the fixing portion and pushing it into the pipe inner wall and fixing it by welding; and, after cooling the support fitting fixed to the pipe inner wall by cooling, engaging the cable passed through the pipe with the supporting fitting. Characteristic method of attaching cable to pipe inner wall.
に接触する程度まで固定部を管に押し込んで溶着固定す
ることを特徴とする請求項１記載のケーブル支持金具の
取付方法。2. A mounting method of a cable support bracket of claim 1, wherein the cable is characterized by welded and fixed by pushing the tube fixing part to the extent that contacts the inner wall which is engaged with and supported by the holder.
られる支持金具であって、上記固定部が管軸方向に並ぶ
一対の爪よりなることを特徴とするケーブル支持金具。3. A method for mounting a cable according to claim 1.
A cable support fitting , wherein the fixing portion comprises a pair of claws arranged in the tube axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000085273A JP3351777B2 (en) | 2000-03-24 | 2000-03-24 | Method of attaching cable to inner wall of pipe, and cable support fitting used in the method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000085273A JP3351777B2 (en) | 2000-03-24 | 2000-03-24 | Method of attaching cable to inner wall of pipe, and cable support fitting used in the method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001275219A JP2001275219A (en) | 2001-10-05 |
| JP3351777B2 true JP3351777B2 (en) | 2002-12-03 |
Family
ID=18601634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000085273A Expired - Lifetime JP3351777B2 (en) | 2000-03-24 | 2000-03-24 | Method of attaching cable to inner wall of pipe, and cable support fitting used in the method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3351777B2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6644892B2 (en) * | 2001-06-08 | 2003-11-11 | Nihonhume Corporation | Method for attaching cable and cable holder |
| CN105958418A (en) * | 2014-05-26 | 2016-09-21 | 龚利芬 | Power pipeline |
| CN105633900A (en) * | 2014-05-26 | 2016-06-01 | 龚利芬 | Composite pipeline for power or communication system |
-
2000
- 2000-03-24 JP JP2000085273A patent/JP3351777B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2001275219A (en) | 2001-10-05 |
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