JPH0328567Y2 - - Google Patents
Info
- Publication number
- JPH0328567Y2 JPH0328567Y2 JP17519084U JP17519084U JPH0328567Y2 JP H0328567 Y2 JPH0328567 Y2 JP H0328567Y2 JP 17519084 U JP17519084 U JP 17519084U JP 17519084 U JP17519084 U JP 17519084U JP H0328567 Y2 JPH0328567 Y2 JP H0328567Y2
- Authority
- JP
- Japan
- Prior art keywords
- parabolic antenna
- antenna
- lightning protection
- rail
- wheels
- 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
- 239000002184 metal Substances 0.000 description 14
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000004020 conductor Substances 0.000 description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Landscapes
- Elimination Of Static Electricity (AREA)
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は可動パラボラアンテナの避雷構造の接
地回路の改良に関し、無線通信または天体観測用
の可動パラボラアンテナに利用される。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an improvement of the grounding circuit of the lightning protection structure of a movable parabolic antenna, and is used in movable parabolic antennas for wireless communication or astronomical observation.
可動パラボラアンテナは、第４図に示すように
アンテナ本体１は支持梁２の下部の車輪３が基台
上に設置された軌条４の上を回転走行することに
よつてアンテナの指向性の向上をはかつている。
In the movable parabolic antenna, as shown in Fig. 4, the antenna main body 1 rotates on wheels 3 at the bottom of a support beam 2 on a rail 4 installed on a base, thereby improving the directivity of the antenna. is running.
アンテナ本体１の頂部には避雷針５が設けられ
ており、この避雷針５に接続された接地ケーブル
線６によつて雷電流を地絡させている。 A lightning rod 5 is provided at the top of the antenna body 1, and a grounding cable line 6 connected to the lightning rod 5 causes lightning current to be grounded.
この接地ケーブル線６の大地側は第４図の矢印
６Ａのように支持梁２の回転中心軸部７の周囲に
まきつけて、第５図に示すように直接地面に接地
するように設置されていた。 The ground side of this grounding cable line 6 is wrapped around the rotation center shaft portion 7 of the support beam 2 as shown by the arrow 6A in FIG. 4, and is installed so as to be directly in contact with the ground as shown in FIG. Ta.
しかし、この方式ではアンテナが移動すると
き、接地ケーブル線も捻廻するためアンテナを広
範囲に移動させることが困難であり、かつ接地ケ
ーブル線の捻廻部分の損傷が著しくなる欠点があ
つた。
However, in this method, when the antenna moves, the ground cable line also twists, making it difficult to move the antenna over a wide range, and the twisted part of the ground cable line is seriously damaged.
本考案はこのような欠点を解消した可動パラボ
ラアンテナの避雷構造を提供することを目的とす
る。 The object of the present invention is to provide a lightning protection structure for a movable parabolic antenna that eliminates these drawbacks.
本考案は、パラボラアンテナと、このパラボラ
アンテナを支持する支持構造と、この支持構造に
設けられた複数の車輪と、基台上に設置され上記
車輪が走行する軌条とを備えた可動パラボラアン
テナにおいて、
上記パラボラアンテナの上部に設けられた避雷
手段と、この避雷手段に接続された接地ケーブル
線と、この接地ケーブル線に接続され上記車輪に
摺動する導電性の摺動構造と、上記軌条を接地す
る手段とを備えたことを特徴とする。
The present invention provides a movable parabolic antenna that includes a parabolic antenna, a support structure that supports the parabolic antenna, a plurality of wheels provided on the support structure, and a rail installed on a base and on which the wheels run. , a lightning protection means provided on the upper part of the parabolic antenna, a grounding cable line connected to the lightning protection means, a conductive sliding structure connected to the grounding cable line and sliding on the wheel, and the rail. The device is characterized by comprising a means for grounding.
支持構造の基台に取付けられた回転中心軸を含
み、軌条はこの回転中心軸を中心とする円形状に
施設された構造であることが好ましい。 Preferably, the rail includes a rotation center axis attached to the base of the support structure, and the rail is arranged in a circular shape centered on the rotation center axis.
車輪と電気的に一体となつて接触している金属
円板に、可動アンテナの支持梁を支持点としたば
ね手段によつてこの金属円板に加圧接触されてい
る導電子とアンテナの避雷針とを接地ケーブル線
で接続することによつて、
避雷針−接地ケーブル線−導電子−金属円板−
車輪−軌条−接地シヤント線−大地
を径路とする落雷などアンテナまた支持梁に加え
られた異常過大電流を地絡する回路が構成され
る。
A conductor and a lightning rod for the antenna are placed in pressure contact with a metal disc that is electrically integrally in contact with the wheel, and are pressed into contact with the metal disc by a spring means using the support beam of the movable antenna as a support point. By connecting with a grounding cable wire, lightning rod - grounding cable - conductor - metal disc -
A circuit is constructed to ground abnormal excessive current applied to the antenna or support beam due to a lightning strike, etc., which passes through the wheels, rails, ground shunt wire, and earth.
本考案の一実施例を図面によつて説明する。 An embodiment of the present invention will be described with reference to the drawings.
第１図および第２図は上記実施例の車輪付近の
側面図および正面図を示す。 1 and 2 show a side view and a front view of the vicinity of the wheels of the above embodiment.
第４図に示した可動パラボラアンテナの支持梁
２の下部には、このような複数個の車輪３が基台
の上に施設された軌条４の上面に転動接触するよ
うに設けられ、この車輪３の車輪は軸受箱８によ
り支持されている。 A plurality of such wheels 3 are provided at the bottom of the support beam 2 of the movable parabolic antenna shown in FIG. The wheels of the wheels 3 are supported by a bearing box 8.
本考案の特徴とするところは、上記第１図およ
び第２図において、車輪３の外側面に偏平なリン
グ状の良電導性の金属円板９を車輪３と電気的な
接触を保つように車軸の中心線に対して同心円と
なるように取付け、この金属円板９に導電子１０
をばね１１によつて加圧接触させていることであ
る。 The feature of the present invention is that, as shown in FIGS. 1 and 2 above, a flat ring-shaped metal disk 9 with good conductivity is placed on the outer surface of the wheel 3 to maintain electrical contact with the wheel 3. The metal disc 9 is mounted so as to be concentric with the center line of the axle.
are pressed into contact with each other by a spring 11.
この導電子１０の下部には接続端子１２を介し
て避雷針からの接地ケーブル線６が接続されてい
る。 A grounding cable line 6 from a lightning rod is connected to the lower part of the conductor 10 via a connecting terminal 12.
第３図は第２図に示すＡ−A′部分の断面図で
あり、支持枠１３は第１図に示すように軸受箱８
に固定されている。 FIG. 3 is a cross-sectional view of the A-A′ portion shown in FIG.
is fixed.
この支持枠１３に複数（本実施例では４本）の
セツトボルト１４がありそれぞれ２個のナツト１
５ａと１５ｂを有する。このセツトボルト１４が
それぞれ遊合するような４個の穴が設けられてい
るばね押え板１６が上記支持枠１３と導電子１０
との間にばね１１を上記セツトボルト１４にそれ
ぞれ１組ずつ挿入するようにして設けられてい
る。符号１７は導電子１０に螺合されたガイドピ
ンで、ばね押さえ板１６および支持枠１３にそれ
ぞれ遊合するように取付けられ、導電子１０と金
属円板９との相対位置を保持するものである。 This support frame 13 has a plurality of (four in this embodiment) set bolts 14, each of which has two nuts 1.
5a and 15b. A spring holding plate 16, which is provided with four holes in which the set bolts 14 fit together, is connected to the support frame 13 and the conductor 10.
One set of springs 11 are inserted between each of the set bolts 14. Reference numeral 17 denotes a guide pin screwed onto the conductor 10, which is attached to the spring pressing plate 16 and the support frame 13 so as to play loosely with each other, and maintains the relative position of the conductor 10 and the metal disc 9. be.
導電子１０をセツトする場合、ナツト１５ａを
セツトボルト１４の頭部に近づけておき、ナツト
１５ｂとセツトボルト１４の先端の距離をばね１
１の特性によつてあらかじめ調整しておく。これ
はばねをセツトしたとき、セツトボルト１４の先
端が導電子１０の面に接触しないようにするため
である。 When setting the conductor 10, keep the nut 15a close to the head of the set bolt 14, and keep the distance between the nut 15b and the tip of the set bolt 14 equal to the spring 1.
It is adjusted in advance according to the characteristics of 1. This is to prevent the tip of the set bolt 14 from coming into contact with the surface of the conductor 10 when the spring is set.
セツトボルト１４は支持枠１３に対して第１３
図において右側にずれるように位置しておく。 The set bolt 14 is located at the 13th position relative to the support frame 13.
Position it so that it is shifted to the right in the figure.
このようにして、ばね１１を導電子１０との間
に挟み、導電子１０にガイドピン１７を取付け、
特殊ナツト１８を締めつけて、支持枠１３と軸受
箱８とをボルトによつて結合する。 In this way, the spring 11 is sandwiched between the conductor 10 and the guide pin 17 is attached to the conductor 10.
The special nuts 18 are tightened to connect the support frame 13 and the bearing box 8 with bolts.
次に特殊ナツト１８を弛めてから、セツトボル
ト１４をそれぞれ締めつけて導電子１０が金属円
板９に適当な圧力で接触するようにしてから、ナ
ツト１５ａを締めつけて弛みどめとする。 Next, after loosening the special nuts 18, the set bolts 14 are tightened so that the conductor 10 contacts the metal disc 9 with appropriate pressure, and then the nuts 15a are tightened to prevent loosening.
軌条４には接地シヤント線１９を溶接してこれ
を地中の接地工事の極板と接続する。 A grounding shunt wire 19 is welded to the rail 4 and connected to the pole plate of the underground grounding work.
本考案において一般的には金属円板９は銅系の
合金を使用するが、これに摺動接触する導電子１
０は金段単体の場合、金属粉混入の炭素刷子の場
合あるいは金属体に炭素片を埋め込んだ場合など
接触電気抵抗値と耐摩耗性を考慮して各種の場合
があるが、いずれのものを用いても本考案の目的
は達せられる。 In the present invention, the metal disc 9 is generally made of a copper-based alloy, and the conductive metal 1 that is in sliding contact with the metal disc 9 is generally made of a copper-based alloy.
0 may be a single metal step, a carbon brush mixed with metal powder, or carbon pieces embedded in a metal body, etc., depending on the contact electrical resistance value and wear resistance. Even if it is used, the purpose of the present invention can be achieved.
さらにアンテナの可動部重量が各車輪に対して
均一に配分されないときは、最大軸重の車輪に本
考案を実施すれば、車輪と軌条との間の接触電気
抵抗は軸重が増大するに従い低下するので好まし
い結果を得る。 Furthermore, if the weight of the moving part of the antenna is not distributed uniformly to each wheel, if the present invention is implemented on the wheel with the maximum axle load, the electrical contact resistance between the wheel and the rail will decrease as the axle load increases. This will give you favorable results.
本考案によれば、可動式パラボラアンテナ用の
避雷構造として、アンテナが広範囲に移動しても
支障のない接地回路が得られるので、アンテナの
操作性と異常過大電流発生時の安定性とに大きな
効果がある。
According to the present invention, as a lightning protection structure for a movable parabolic antenna, it is possible to obtain a grounding circuit that does not cause problems even when the antenna moves over a wide range, which greatly improves the operability of the antenna and the stability when abnormal overcurrent occurs. effective.
第１図は本考案一実施例車輪部の側面図。第２
図は上記の正面図。第３図は第２図のＡ−A′断
面図。第４図は可動式パラボラアンテナの概略
図。第５図は従来例の接地用ケーブル線の状態
図。
１……アンテナ本体、２……支持梁、３……車
輪、４……軌条、５……避雷針、６……接地ケー
ブル線、６Ａ，６Ｂ……接地ケーブル線の方向、
７……回転中心軸部、８……軸受箱、９……金属
円板、１０……導電子、１１……ばね、１２……
接続端子、１３……支持枠、１４……セツトボル
ト、１５ａ，１５ｂ……ナツト、１６……ばね押
さえ板、１７……ガイドピン、１８……特殊ナツ
ト、１９……接地シヤント線。
FIG. 1 is a side view of a wheel section according to an embodiment of the present invention. Second
The figure is the front view of the above. FIG. 3 is a sectional view taken along line A-A' in FIG. Figure 4 is a schematic diagram of a movable parabolic antenna. FIG. 5 is a state diagram of a conventional grounding cable line. 1...Antenna body, 2...Support beam, 3...Wheel, 4...Rail, 5...Lightning rod, 6...Grounding cable line, 6A, 6B...Direction of the grounding cable line,
7...Rotation center shaft portion, 8...Bearing box, 9...Metal disc, 10...Conductor, 11...Spring, 12...
Connection terminal, 13... Support frame, 14... Set bolt, 15a, 15b... Nut, 16... Spring holding plate, 17... Guide pin, 18... Special nut, 19... Ground shunt wire.
Claims (1)
と、 この支持構造に設けられた複数の車輪と、 基台上に設置され上記車輪が走行する軌条と を備えた可動パラボラアンテナにおいて、 上記パラボラアンテナの上部に設けられた避
雷手段と、 この避雷手段に接続された接地ケーブル線
と、 この接地ケーブル線に接続され上記車輪に摺
動する導電性の摺動構造と、 上記軌条を接地する手段と を備えたことを特徴とする可動パラボラアンテ
ナの避雷構造。 (2) 支持構造が基台に取付けられた回転中心軸を
含み、 軌条はこの回転中心軸を中心とする円形状に
施設された構造である 実用新案登録請求の範囲第(1)項に記載の可動
パラボラアンテナの避雷構造。[Scope of claim for utility model registration] (1) A parabolic antenna, a support structure that supports this parabolic antenna, a plurality of wheels provided on this support structure, and a rail installed on a base and on which the wheels run. A movable parabolic antenna equipped with a lightning protection means provided on the upper part of the parabolic antenna, a grounding cable wire connected to the lightning protection means, and a conductive sliding wire connected to the grounding cable wire and sliding on the wheels. A lightning protection structure for a movable parabolic antenna, comprising: a movable parabolic antenna; and a means for grounding the rail. (2) The support structure includes a rotational center shaft attached to a base, and the rail is a circular structure centered on this rotational center axis.As stated in paragraph (1) of the claims for utility model registration. Lightning protection structure for movable parabolic antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17519084U JPH0328567Y2 (en) | 1984-11-19 | 1984-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17519084U JPH0328567Y2 (en) | 1984-11-19 | 1984-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6190302U JPS6190302U (en) | 1986-06-12 |
| JPH0328567Y2 true JPH0328567Y2 (en) | 1991-06-19 |
Family
ID=30732795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17519084U Expired JPH0328567Y2 (en) | 1984-11-19 | 1984-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328567Y2 (en) |
-
1984
- 1984-11-19 JP JP17519084U patent/JPH0328567Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6190302U (en) | 1986-06-12 |
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