JPH0965555A - Steel pole for direct connection in outdoor receiving station - Google Patents
Steel pole for direct connection in outdoor receiving stationInfo
- Publication number
- JPH0965555A JPH0965555A JP7216289A JP21628995A JPH0965555A JP H0965555 A JPH0965555 A JP H0965555A JP 7216289 A JP7216289 A JP 7216289A JP 21628995 A JP21628995 A JP 21628995A JP H0965555 A JPH0965555 A JP H0965555A
- Authority
- JP
- Japan
- Prior art keywords
- steel pipe
- outdoor
- opening
- pipe column
- steel pole
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 66
- 239000010959 steel Substances 0.000 title claims abstract description 66
- 238000012856 packing Methods 0.000 claims abstract description 12
- 239000012779 reinforcing material Substances 0.000 claims abstract description 11
- 230000007423 decrease Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000003466 welding Methods 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 abstract description 10
- 230000007797 corrosion Effects 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
- Support Of Aerials (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はスピーカ，アンテナ，受
信装置等を取付けるための鋼管柱に関し、特に防災行政
無線システムの屋外拡声受信局設置のための鋼管柱に関
する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel pipe column for mounting a speaker, an antenna, a receiving device, etc., and more particularly to a steel pipe column for installing an outdoor loudspeaker receiving station of a disaster prevention administrative radio system.
【０００２】[0002]
【従来の技術】従来、防災行政無線システムにおける屋
外拡声受信装置は、受信装置等を収納した屋外筐体を鋼
管柱に取付けてステンレス製のバンドにより固定し、ス
ピーカやアンテナから引出されるケーブル及び電源ケー
ブル等を鋼管柱内を通し、鋼管柱の屋外筐体を取付け固
定した箇所の近傍に穴をあけ、その穴からいったん各ケ
ーブルを鋼管柱の外に引き出し、その後、屋外筐体内へ
と接続配線するようになっている。また、この鋼管柱内
から屋外筐体内への間は、ケーブルに保護チューブをか
ぶせて、ケーブルを保護している。このような鋼管柱の
配線に関する先行技術としては、実開昭５７−１８６１
２４号公報がある。2. Description of the Related Art Conventionally, an outdoor loudspeaker receiver in a disaster prevention radio system has been constructed by attaching an outdoor housing accommodating a receiver and the like to a steel pipe pillar and fixing it with a stainless steel band, and a cable and a cable drawn from a speaker or an antenna. Pass the power cable, etc. through the steel pipe pillar, make a hole near the location where the outdoor housing of the steel pipe pillar is attached and fixed, once pull out each cable from the steel pipe pillar to the outside, and then connect it to the outdoor housing It is supposed to be wired. In addition, the cable is protected by covering the cable between the inside of the steel pipe pillar and the inside of the outdoor housing. As a prior art relating to the wiring of such a steel pipe column, there is disclosed in Japanese Utility Model Publication No. Sho 57-1861.
There is a publication No. 24.
【０００３】[0003]
【発明が解決しようとする課題】この従来の鋼管柱の構
造は、筐体を鋼管柱に固定する際、バンドが必要とな
る。このバンドはステンレス製で、一方、鋼管柱には鉄
に亜鉛メッキが施されているため、バンドと鋼管柱の間
で電食が生じる恐れがある。The structure of the conventional steel pipe column requires a band when the housing is fixed to the steel pipe column. Since this band is made of stainless steel, while the steel pipe column is galvanized on iron, there is a possibility that electrolytic corrosion may occur between the band and the steel pipe column.
【０００４】また、鋼管柱への屋外筐体の取付位置が、
地上１．５ｍ付近と比較的低い位置であるため（行政無
線を管轄する協会、例えば日本農村情報システム協会が
制定した施設標準使用による）、屋外筐体と鋼管柱間を
接続する保護チューブに子供がぶらさがって遊ぶ恐れが
ある。Further, the mounting position of the outdoor casing on the steel pipe pillar is
Since it is located at a relatively low position of about 1.5 m above the ground (based on the standard use of facilities established by the association that administers administrative radio, for example, the Japan Rural Information Systems Association), the protective tube that connects the outdoor housing and the steel pipe pillar is used for children. There is a risk of hanging around and playing.
【０００５】また、鋼管柱にあけた穴から雨水等が浸入
したり、或いは保護チューブの接続部から雨水等が浸入
しチューブ中に水がたまり、腐触が生じる恐れがある。
また、各ケーブルを引出すために穴をあけた鋼管柱の強
度が低下する懸念もある。Further, there is a possibility that rainwater or the like may enter through the hole formed in the steel pipe column, or rainwater or the like may enter through the connection portion of the protective tube to collect water in the tube and cause corrosion.
In addition, there is a concern that the strength of the steel pipe column in which a hole is formed to pull out each cable is reduced.
【０００６】本発明の目的は、上記従来の欠点を除去
し、ケーブルを鋼管柱内から屋外筐体内へ直接配線でき
る屋外受信局における直接配線式鋼管柱を提供すること
にある。An object of the present invention is to eliminate the above-mentioned conventional drawbacks and to provide a direct wiring type steel pipe column in an outdoor receiving station capable of directly wiring a cable from inside the steel pipe column to inside the outdoor casing.
【０００７】[0007]
【課題を解決するための手段】本発明の屋外受信局にお
ける直接配線式鋼管柱は、屋外筐体を取付ける鋼管柱
と、この鋼管柱の前記屋外筐体の取付箇所にあけられ前
記鋼管柱内から前記屋外筐体へ向けて配線を引き出すた
めの開口部と、この開口部の設置により低下する前記鋼
管柱の強度を補ない且つ前記屋外筐体の少なくとも一部
を取付け固定するための補強材と、前記開口部から雨水
が入らぬよう前記補強材と前記屋外筐体との間に設けた
パッキンと、前記開口部に対する前記パッキンの効果を
上げるべく前記鋼管柱の前記補強材とは異なる位置に設
けられ前記屋外筐体の一端を固定する固定座とを備えて
なり、また前記補強材は前記鋼管柱の外周径に合致する
円弧部を有し、この円弧部にて前記鋼管柱に溶接固定さ
れるのが好ましい。A direct wiring type steel pipe column in an outdoor receiving station of the present invention is a steel pipe column to which an outdoor casing is attached, and a steel pipe column which is opened at a mounting position of the outdoor casing of the steel pipe column. Opening for pulling out the wiring from the outside to the outdoor housing, and a reinforcing member for not compensating for the strength of the steel pipe column which is reduced by the installation of the opening and for mounting and fixing at least a part of the outdoor housing. And a packing provided between the reinforcing material and the outdoor housing so that rainwater does not enter from the opening, and a position different from the reinforcing material of the steel pipe column in order to enhance the effect of the packing with respect to the opening. And a fixing seat for fixing one end of the outdoor casing, and the reinforcing member has an arc portion that matches the outer diameter of the steel pipe column, and the arc portion welds to the steel pipe column. It is preferably fixed.
【０００８】[0008]
【実施例】次に、本発明について図面を参照して説明す
る。Next, the present invention will be described with reference to the drawings.
【０００９】図１は本発明の一実施例を示す（ａ）な一
部縦断面図を含む正面図、（ｂ）は同図（ａ）の矢視Ａ
−Ａ線における横断面図、図２は本実施例の斜視図であ
る。FIG. 1 is a front view including a partial vertical sectional view of (a) showing an embodiment of the present invention, and (b) is an arrow A of FIG.
Fig. 2 is a cross-sectional view taken along line -A, and Fig. 2 is a perspective view of this embodiment.
【００１０】受信装置，増幅器，非常用電源などを実装
した屋外筐体２を外部に取付ける鋼管柱１には、スピー
カケーブル，アンテナケーブル，電源ケーブルなどを一
括したケーブル５を内部から直接屋外筐体２に向けて通
すための開口部１ａが外周面の一部にあけられている。
開口部１ａは、屋外筐体２を取付けたときにその背面に
あたる位置にあけられ、しかもケーブル５を通す際の作
業性を考慮してやや大きめの長方形にあけられ、その地
上からの高さは、同じく作業性の点から、鋼管柱１への
屋外筐体２の取付け位置の下側部分に設けられる。A cable 5 including a speaker cable, an antenna cable, a power cable and the like is directly connected to the outdoor casing 2 from the inside of the steel pipe pillar 1 to which an outdoor casing 2 having a receiving device, an amplifier, an emergency power source and the like mounted is mounted on the outside. An opening portion 1a for passing toward 2 is opened in a part of the outer peripheral surface.
The opening 1a is opened at a position corresponding to the back surface of the outdoor housing 2 when the outdoor housing 2 is attached, and in addition, the opening 1a is formed in a slightly larger rectangle in consideration of workability when passing the cable 5, and its height from the ground is Similarly, from the viewpoint of workability, it is provided in the lower portion of the mounting position of the outdoor housing 2 on the steel pipe pillar 1.
【００１１】このように、開口部１ａをやや大きめにあ
けることは、鋼管柱１の強度低下の要因となるが、これ
を補なうために、開口部１ａ部分に補強材３を設ける。
補強材３は、一端が開放した略箱型であり、この開放端
側には鋼管柱１の外周径に合致する円弧部３ａを有し、
この円弧部３ａの部分を鋼管柱１の開口部１ａの部分に
あてて溶接し、固定する。これにより、鋼管柱１の曲げ
強度を補い、従来と同様な曲げ強度を確保することがで
きる。また、補強材３の他端側の平坦部３ｂには、ケー
ブル５を通すための開口部３ｃがあけられ、かつこの平
坦部３ｂは屋外筐体２を取付ける座も兼ねている。ま
た、この平坦部３ｂと屋外筐体２との間には、ゴムパッ
キン４をはさんでいる。As described above, opening the opening 1a slightly larger causes a decrease in the strength of the steel pipe column 1. In order to compensate for this, the reinforcing member 3 is provided in the opening 1a.
The reinforcing member 3 has a substantially box shape with one end open, and has an arc portion 3 a on the open end side that matches the outer diameter of the steel pipe column 1.
The arc portion 3a is applied to the portion of the opening 1a of the steel pipe column 1 by welding and fixed. Thereby, the bending strength of the steel pipe column 1 can be supplemented, and the bending strength similar to the conventional one can be secured. An opening 3c for passing the cable 5 is formed in the flat portion 3b on the other end side of the reinforcing member 3, and the flat portion 3b also serves as a seat for mounting the outdoor housing 2. A rubber packing 4 is sandwiched between the flat portion 3b and the outdoor housing 2.
【００１２】屋外筐体２の鋼管柱１への取付け構造は次
のようになっている。屋外筐体２の下方部分は、ゴムパ
ッキン４の４隅にあけた小孔を介し、補強材３の平坦部
３ｂに設けたねじタップに筐体内方から４本のボルト６
でボルト締めして固定する。屋外筐体２の上方部分は、
鋼管柱１の外周面にナットを溶接して形成した固定座１
ｂに対し、屋外筐体２をボルト７で締付け固定する。The structure for mounting the outdoor casing 2 on the steel pipe pillar 1 is as follows. The lower part of the outdoor housing 2 is provided with four bolts 6 from the inside of the housing through screw holes provided on the flat portion 3b of the reinforcing member 3 through the small holes formed at the four corners of the rubber packing 4.
Tighten with bolts to fix. The upper part of the outdoor housing 2 is
Fixed seat 1 formed by welding a nut to the outer peripheral surface of the steel pipe column 1.
The outdoor housing 2 is fastened and fixed with bolts 7 to b.
【００１３】このような構成の本実施例によれば、ケー
ブル５を一度も鋼管柱１の外部に出すことなく、鋼管柱
１の内部から補強材３及びゴムパッキン４を介し開口部
１ａと開口部３ｃを通して、屋外筐体２内へケーブル５
を直接配線することができる。また、補強材３を設ける
ことにより、鋼管柱１の強度低下を防ぐことができる。According to this embodiment having such a structure, the cable 5 is not exposed to the outside of the steel tube column 1 even once, and the opening 1a and the opening are formed from the inside of the steel tube column 1 through the reinforcing material 3 and the rubber packing 4. Cable 5 into the outdoor housing 2 through the portion 3c
Can be wired directly. Further, by providing the reinforcing member 3, it is possible to prevent the strength of the steel pipe column 1 from being lowered.
【００１４】また、屋外筐体２をその下方部分でボルト
６により補強材３に締付け、さらに上方部分を固定座１
ｂにボルト締めすることにより、ゴムパッキン４の部分
の密着性が高まり、防水効果が一段と向上する。但し、
ゴムパッキン４を介した締付けでは、各ボルトの締付け
トルクにばらつきが生じ、屋外筐体２に取付け歪み（ゆ
がみ）が発生する恐れがあるが、固定座１ｂの高さを最
適に調整することにより、屋外筐体２が鋼管柱１に対し
て略平行に取付けられるようにし、屋外筐体２の取付け
歪み（ゆがみ）を補正することができる。Further, the outdoor housing 2 is fastened at its lower portion to the reinforcing member 3 by means of bolts 6, and the upper portion is fixed to the fixed seat 1.
By bolting to b, the adhesion of the rubber packing 4 is enhanced, and the waterproof effect is further improved. However,
When tightening through the rubber packing 4, the tightening torque of each bolt may vary, and mounting distortion (distortion) may occur in the outdoor housing 2. However, by adjusting the height of the fixed seat 1b optimally, The outdoor housing 2 can be mounted substantially parallel to the steel pipe pillar 1, and the mounting distortion (distortion) of the outdoor housing 2 can be corrected.
【００１５】このほか、ケーブル５に雨水がかかったり
或いは鋼管柱１内に雨水が浸入したりすることがないた
め、腐食が生じる恐れがなく、また屋外筐体２をバンド
等によって鋼管柱１に取付ける必要がないため、電食が
生じる恐れもない。Besides, since the cable 5 is not exposed to rainwater or the rainwater does not infiltrate into the steel pipe pillar 1, there is no risk of corrosion, and the outdoor housing 2 is attached to the steel pipe pillar 1 by a band or the like. Since there is no need to install it, there is no risk of electrolytic corrosion.
【００１６】ここで、本実施例の内容に則して実際に試
作に供した鋼管柱のデータを以下に示す。Here, the data of the steel pipe columns actually used for trial production in accordance with the contents of this embodiment are shown below.
【００１７】鋼管柱の外径２１６ｍｍ，肉厚６ｍｍ，開
口部の大きさ 縦９０ｍｍ，横幅１５０ｍｍ，開口部の
中心の高さ位置（地上から）１，５７５ｍｍ、鋼管柱の
全長（地下埋設部分含む） 約１７ｍ、開口部に取付け
た屋外筐体の重量 約３０ｋｇ この試作した鋼管柱は、曲げ強度を初め、他の種々の強
度テストの全てのデータにおいて満足な結果が得られ、
十分に使用に供し得ることが確認されている。The outer diameter of the steel pipe column is 216 mm, the wall thickness is 6 mm, the size of the opening is 90 mm in length, the width is 150 mm, the height position of the center of the opening (from the ground) 1,575 mm, the total length of the steel pipe column (including the underground buried portion) ) Approximately 17 m, weight of outdoor housing attached to the opening Approximately 30 kg This steel pipe column prototype produced satisfactory results in bending strength and all other data of various strength tests.
It has been confirmed that it can be sufficiently used.
【００１８】なお、補強材３の形状については、本実施
例で例示したものに限定することなく、特許請求の範囲
の記載内で任意に変更し得るものとする。The shape of the reinforcing member 3 is not limited to the one exemplified in this embodiment, and can be arbitrarily changed within the scope of the claims.
【００１９】[0019]
【発明の効果】以上説明したように本発明は、鋼管柱に
開口部と固定座を設け、かつ開口部を補強する補強材を
設けることにより、鋼管柱と屋外筐体との間でケーブル
類を一切外に出さない柱体内配線が実現し、ケーブル類
の腐食の恐れが全くなくなり、また従来のような保護チ
ューブにおける事故がなくなる。更に、屋外筐体を固定
するバンドも必要なくなるため、バンドによる電食が防
止される。また、開口部に補強材を設けることにより、
鋼管柱の強度低下を防ぎ、従来の鋼管柱と同等の強度を
維持することができる。As described above, according to the present invention, a cable is provided between the steel pipe column and the outdoor housing by providing the steel pipe column with the opening and the fixed seat and by providing the reinforcing material for reinforcing the opening. The inside of the pillar can be wired without exposing the cable to the outside, there is no fear of corrosion of the cables, and there is no accident in the conventional protective tube. Furthermore, since a band for fixing the outdoor case is not necessary, electrolytic corrosion due to the band is prevented. Also, by providing a reinforcing material in the opening,
It is possible to prevent the strength of the steel tube column from decreasing and maintain the same strength as that of the conventional steel tube column.
【図１】本発明の一実施例を示す（ａ）は一部縦断面を
含む正面図、（ｂ）は同図（ａ）の矢視Ａ−Ａ線におけ
る横断面図である。FIG. 1A is a front view including a partial vertical cross-section, and FIG. 1B is a cross-sectional view taken along the line AA of FIG. 1A showing an embodiment of the present invention.
【図２】本発明の一実施例の斜視図である。FIG. 2 is a perspective view of one embodiment of the present invention.
１ 鋼管柱 １ａ 開口部 １ｂ 固定座 ２ 屋外筐体 ３ 補強材 ３ａ 円弧部 ３ｂ 平坦部 ３ｃ 開口部 ４ ゴムパッキン ５ ケーブル ６，７ ボルト 1 Steel Pipe Column 1a Opening 1b Fixed Seat 2 Outdoor Housing 3 Reinforcing Material 3a Arc Part 3b Flat Part 3c Opening 4 Rubber Packing 5 Cable 6,7 Bolt
Claims (3)
柱の前記屋外筐体の取付箇所にあけられ前記鋼管柱内か
ら前記屋外筐体へ向けて配線を引き出すための開口部
と、この開口部の設置により低下する前記鋼管柱の強度
を補ない且つ前記屋外筐体の少なくとも一部を取付け固
定するための補強材と、前記開口部から雨水が入らぬよ
う前記補強材と前記屋外筐体との間に設けたパッキン
と、前記開口部に対する前記パッキンの効果を上げるべ
く前記鋼管柱の前記補強材とは異なる位置に設けられ前
記屋外筐体の一端を固定する固定座とを備えることを特
徴とする屋外受信局における直接配線式鋼管柱。1. A steel pipe pillar for mounting an outdoor housing, an opening for drawing wiring from inside the steel pipe pillar toward the outdoor housing, which is opened at a mounting location of the outdoor housing of the steel pipe pillar, Reinforcing material that does not compensate for the strength of the steel pipe column that decreases due to installation of the opening and that attaches and fixes at least a portion of the outdoor housing, and the reinforcing material and the outdoor housing so that rainwater does not enter from the opening. A packing provided between the body and a fixed seat that is provided at a position different from the reinforcing member of the steel pipe column to fix the one end of the outdoor housing in order to enhance the effect of the packing with respect to the opening. Direct wiring type steel pipe column in outdoor receiving station.
する円弧部を有し、この円弧部にて前記鋼管柱に溶接固
定される請求項１記載の屋外受信局における直接配線式
鋼管柱。2. The direct wiring type steel pipe in an outdoor receiving station according to claim 1, wherein the reinforcing member has an arc portion that matches an outer diameter of the steel pipe column, and is fixed to the steel pipe column by welding at the arc portion. Pillar.
座に固定する手段が、ねじ，ボルトなどの締結部材によ
るものである請求項１または２記載の屋外受信局におけ
る直接配線式鋼管柱。3. The direct wiring type steel pipe column in an outdoor receiving station according to claim 1, wherein the means for fixing the outdoor housing to the reinforcing member and the fixed seat is a fastening member such as a screw or a bolt. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7216289A JP2757886B2 (en) | 1995-08-24 | 1995-08-24 | Directly wired steel pipe columns in outdoor receiving stations |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7216289A JP2757886B2 (en) | 1995-08-24 | 1995-08-24 | Directly wired steel pipe columns in outdoor receiving stations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0965555A true JPH0965555A (en) | 1997-03-07 |
| JP2757886B2 JP2757886B2 (en) | 1998-05-25 |
Family
ID=16686208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7216289A Expired - Fee Related JP2757886B2 (en) | 1995-08-24 | 1995-08-24 | Directly wired steel pipe columns in outdoor receiving stations |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2757886B2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989514A (en) * | 1982-11-13 | 1984-05-23 | 松下電工株式会社 | Lead-in post unit |
| JPH01123418U (en) * | 1988-02-18 | 1989-08-22 | ||
| JPH0285760U (en) * | 1988-12-20 | 1990-07-05 |
-
1995
- 1995-08-24 JP JP7216289A patent/JP2757886B2/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989514A (en) * | 1982-11-13 | 1984-05-23 | 松下電工株式会社 | Lead-in post unit |
| JPH01123418U (en) * | 1988-02-18 | 1989-08-22 | ||
| JPH0285760U (en) * | 1988-12-20 | 1990-07-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2757886B2 (en) | 1998-05-25 |
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