JP2003080977A - Steady arm for trolley wire - Google Patents
Steady arm for trolley wireInfo
- Publication number
- JP2003080977A JP2003080977A JP2001275465A JP2001275465A JP2003080977A JP 2003080977 A JP2003080977 A JP 2003080977A JP 2001275465 A JP2001275465 A JP 2001275465A JP 2001275465 A JP2001275465 A JP 2001275465A JP 2003080977 A JP2003080977 A JP 2003080977A
- Authority
- JP
- Japan
- Prior art keywords
- trolley wire
- arm
- arm member
- spring
- vibration
- 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
Landscapes
- Clamps And Clips (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電車線路に架設
されるトロリ線が風圧により左右に揺れるのを防止する
ための振止金具に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antivibration metal fitting for preventing a trolley wire installed on a train track from swinging left and right due to wind pressure.
【０００２】[0002]
【従来の技術】従来、例えば橋梁上等の横風が強い箇所
では、トロリ線の横揺れを防止するために、振止金具と
称される棒状の部材でトロリ線を支持物に支持してい
る。即ち、例えば、トロリ線の上方を横断するように構
築物間に架設されたスパン線のような支持物に、左右一
対の振止金具の基端を支持し、これら一対の振止金具の
先端部でトロリ線を把持し、ほぼＶ字状にトロリ線を吊
ることよって、トロリ線の横揺れを防止するものであ
る。2. Description of the Related Art Conventionally, for example, in a place where a cross wind is strong, such as on a bridge, a trolley wire is supported by a support by a rod-shaped member called an anti-vibration fitting in order to prevent the trolley wire from rolling. . That is, for example, the base ends of a pair of left and right anti-vibration fittings are supported by a support such as a span wire that is installed between the structures so as to traverse above the trolley wire, and the tip end portions of the pair of anti-vibration fittings are supported. By gripping the trolley wire with, and suspending the trolley wire in a substantially V shape, the trolley wire is prevented from rolling.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の振止金具
は、棒状の剛体であるから、トロリ線がパンタグラフに
より押し上げられるときに、支持物との間に突っ張っ
て、押し返すので、トロリ線の把持箇所に硬点を生じ
る。この硬点はトロリ線の偏摩耗を生じたりパンタグラ
フの摺動抵抗を増大させるという問題点がある。従っ
て、本発明は、トロリ線に硬点を生じさせることなく、
トロリ線の横揺れを有効に防止することができる振止金
具を提供することを目的としている。Since the above-mentioned conventional anti-vibration fitting is a rod-shaped rigid body, when the trolley wire is pushed up by the pantograph, it is stretched and pushed back against the support, so that the trolley wire is gripped. Hard spots occur on the spot. These hard points cause problems such as uneven wear of the trolley wire and increase the sliding resistance of the pantograph. Therefore, the present invention, without causing a hard spot on the trolley wire,
It is an object of the present invention to provide an anti-vibration fitting that can effectively prevent rolling of a trolley wire.
【０００４】[0004]
【課題を解決するための手段】本発明においては、上記
課題を解決するため、スパン線Ｓのような支持物に基端
を枢支されたアーム２と、このアーム２の先端側に設け
られトロリ線を把持するイヤー４とを具備させてトロリ
線の振止金具１を構成する。アーム２は、所定範囲で軸
線方向に伸縮自在に結合された第１アーム部材５と第２
アーム部材６とで構成し、これら第１及び第２のアーム
部材５，６間にばね７を介設する。ばね７は、常時第１
及び第２のアーム部材５，６を最大伸長状態に維持すべ
く付勢する。最大伸長状態の左右一対の振止金具１でほ
ぼＶ字状に吊られたトロリ線Ｔが、横風を受ける場合、
一方の振止金具１がトロリ線Ｔを引き留め、他方の振止
金具１がばね７の力でトロリ線Ｔを押し止めることによ
り横揺れを阻止する。これに対してトロリ線Ｔが上方に
押し上げられると、両振止金具１が、ばね７を圧縮しつ
つ収縮して、トロリ線Ｔ上昇を許容する。このため、ト
ロリ線Ｔの吊り止め箇所に硬点が生じない。さらに、ア
ーム２とイヤー４との間に首振り金具３を介設すれば、
トロリ線Ｔが押し上げられるときに、軸周りのねじれ応
力を受けることがない。In the present invention, in order to solve the above-mentioned problems, an arm 2 having a base end pivotally supported by a support such as a span wire S, and a tip end side of the arm 2 are provided. The trolley wire anti-vibration fitting 1 is configured by including the ear 4 that holds the trolley wire. The arm 2 includes a first arm member 5 and a second arm member 5 which are joined to each other so as to extend and contract in the axial direction within a predetermined range.
It is composed of an arm member 6 and a spring 7 is provided between the first and second arm members 5 and 6. The spring 7 is always the first
And the second arm members 5, 6 are urged to maintain the maximum extension state. When the trolley wire T suspended in a substantially V shape by the pair of left and right anti-vibration fittings 1 in the maximum extension state receives a cross wind,
One of the anti-vibration fittings 1 holds the trolley wire T, and the other of the anti-vibration fittings 1 presses the trolley wire T by the force of the spring 7 to prevent the rolling. On the other hand, when the trolley wire T is pushed upward, both anti-vibration fittings 1 contract while compressing the spring 7, allowing the trolley wire T to rise. For this reason, no hard spot is generated at the suspension position of the trolley wire T. Furthermore, if a swinging metal fitting 3 is provided between the arm 2 and the ear 4,
When the trolley wire T is pushed up, there is no torsional stress around the axis.
【０００５】[0005]
【発明の実施の形態】図面を参照して本発明の実施形態
を説明する。図１は振止金具の設置状態の正面図、図２
は振止金具の正面図、図３は振止金具の一部の正面図、
図４は振止金具の先端部の正面図である。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. 1 is a front view of the installation state of the anti-vibration bracket, FIG.
Is a front view of the anti-vibration metal fitting, and FIG. 3 is a front view of a part of the anti-vibration metal fitting,
FIG. 4 is a front view of the tip of the anti-vibration metal fitting.
【０００６】図１において、トロリ線Ｔの上方を横断す
るように構築物間に架設されたスパン線Ｓに、左右一対
の振止金具１の基端が支持される。一対の振止金具１の
先端部でトロリ線Ｔを把持し、ほぼＶ字状にトロリ線Ｔ
を吊ることよって、それの横揺れを防止する。In FIG. 1, the base ends of a pair of left and right antivibration fittings 1 are supported by a span line S that is installed between the structures so as to traverse above the trolley wire T. The trolley wire T is grasped by the tips of the pair of anti-vibration metal fittings 1 and formed into a substantially V shape.
By suspending it to prevent it from rolling.
【０００７】振止金具１は、スパン線Ｓに基端を枢支さ
れたアーム２と、このアーム２の先端側に枢支された首
振り金具３と、この首振り金具３に取り付けられたイヤ
ー４とを具備する。イヤー４は、トロリ線Ｔを把持す
る。アーム２は、所定範囲で軸線方向に伸縮自在に結合
された第１アーム部材５と第２アーム部材６と、これら
第１及び第２のアーム部材５，６間に介設されたばね７
とを具備する。ばね７は、常時アーム部材５，６を最大
伸長状態に維持すべく付勢する。The anti-vibration metal fitting 1 is attached to the arm 2, whose base end is pivotally supported by the span line S, the swing metal fitting 3 pivotally supported on the distal end side of the arm 2, and the swing metal fitting 3. It has an ear 4. The ear 4 holds the trolley wire T. The arm 2 includes a first arm member 5 and a second arm member 6 which are connected to each other so as to be capable of expanding and contracting in an axial direction within a predetermined range, and a spring 7 interposed between the first and second arm members 5 and 6.
And. The spring 7 constantly biases the arm members 5 and 6 so as to keep the arm members 5 and 6 in the maximum extended state.
【０００８】図３に示すように、第１アーム部材５は、
基端側に、第２アーム部材６の先端側を所定範囲で軸線
方向相対移動自在に受け入れる筒状部５ａを具備する。
第２アーム部材６の先端側の挿入部６ａは、ふた５ｂを
自在に貫通して筒状部５ａの内へ受け入れられる。挿入
部６ａは、ふた４ｂの内側面に当接するばね受け鍔６ｂ
を具備する。挿入部６ａは、鍔６ｂによって筒状部４ａ
から抜け止めされる。ばね７は、筒状部５ａ内にあっ
て、筒状部５ａの端とばね受け鍔６ｂとの間に挿入され
る。第２アーム部材５の基端側は、取付金具８を介して
スパン線Ｓに枢支される。As shown in FIG. 3, the first arm member 5 is
The base end side is provided with a cylindrical portion 5a that receives the tip end side of the second arm member 6 so as to be relatively movable in the axial direction within a predetermined range.
The insertion portion 6a on the distal end side of the second arm member 6 freely penetrates through the lid 5b and is received in the tubular portion 5a. The insertion portion 6a has a spring receiving collar 6b that abuts the inner surface of the lid 4b.
It is equipped with. The insertion portion 6a is formed by the collar 6b into the tubular portion 4a.
Is locked in. The spring 7 is inside the tubular portion 5a and is inserted between the end of the tubular portion 5a and the spring receiving collar 6b. The base end side of the second arm member 5 is pivotally supported on the span line S via a mounting member 8.
【０００９】図４に示すように、首振り金具３は、基端
側において、アーム２の先端に水平ピン９によって枢支
され、上下方向に回転自在である。首振り金具３の上方
への回転範囲は、アーム２の先端に螺合された調整ボル
ト１０によって規制される。図１において、最大伸長状
態にある左右一対の振止金具１，１でほぼＶ字状に吊ら
れたトロリ線Ｔが、横風を受ける場合、一方の振止金具
１がトロリ線を引き留め、他方の振止金具１がばね力で
トロリ線Ｔを押し止めることにより横揺れを阻止する。
これに対して、電車のパンタグラフによりトロリ線Ｔが
上方に押し上げられると、両振止金具１，１がばねを圧
縮しつつ収縮して、トロリ線Ｔ上昇を許容する。このた
め、トロリ線Ｔの吊り止め箇所に硬点が生じない。As shown in FIG. 4, the swinging metal fitting 3 is pivotally supported by a horizontal pin 9 on the tip end of the arm 2 on the base end side and is rotatable in the vertical direction. The upward rotation range of the swinging metal fitting 3 is regulated by the adjusting bolt 10 screwed to the tip of the arm 2. In FIG. 1, when the trolley wire T suspended in a substantially V shape by the pair of left and right anti-vibration fittings 1 and 1 in the maximum extension state receives a cross wind, one anti-vibration fitting 1 holds the trolley wire and the other The anti-vibration metal fitting 1 stops the sway by pressing the trolley wire T with the spring force.
On the other hand, when the trolley wire T is pushed upward by the pantograph of the train, the anti-skid fittings 1 and 1 contract while compressing the springs, allowing the trolley wire T to rise. For this reason, no hard spot is generated at the suspension position of the trolley wire T.
【００１０】アーム２とイヤー４との間の首振り金具３
は、トロリ線Ｔが押し上げられるときに、アーム２に対
して相対回転し、トロリ線Ｔが、軸周りのねじれ応力を
受けないようにする。A swing fitting 3 between the arm 2 and the ear 4
Rotates relative to the arm 2 when the trolley wire T is pushed up so that the trolley wire T is not subjected to torsional stress about the axis.
【００１１】[0011]
【発明の効果】以上のように、本発明においては、振止
金具１のアーム２を、所定範囲で軸線方向に伸縮自在に
結合された第１アーム部材５と第２アーム部材６とで構
成し、両者間にばね７を介設し、ばね７で、両アーム部
材５，６を最大伸長状態に付勢したため、最大伸長状態
の左右一対の振止金具１でほぼＶ字状に吊られたトロリ
線Ｔが、横風を受けると、一方の振止金具１でトロリ線
Ｔを引き留め、他方の振止金具１のばね力でトロリ線Ｔ
を押し止めることにより横揺れを有効に阻止することが
できる。これに対してトロリ線Ｔが、パンタグラフで上
方に押し上げられると、両振止金具１が、ばね７を圧縮
しつつ収縮して、トロリ線Ｔの上昇を許容し、トロリ線
Ｔの吊り止め箇所に硬点が生じのを回避する。さらに、
アーム２とイヤー４との間に首振り金具３を介設すれ
ば、トロリ線Ｔが押し上げられるときに、軸周りのねじ
れ応力を受けることがないという効果を有する。As described above, according to the present invention, the arm 2 of the anti-vibration fitting 1 is composed of the first arm member 5 and the second arm member 6 which are joined to each other so as to extend and contract in the axial direction within a predetermined range. Then, a spring 7 is provided between the two, and the spring 7 urges both arm members 5 and 6 to the maximum extension state. Therefore, the pair of left and right anti-vibration fittings 1 in the maximum extension state hang them in a substantially V shape. When the trolley wire T receives a cross wind, the trolley wire T is held by one of the anti-vibration fittings 1 and the trolley wire T is urged by the spring force of the other anti-vibration fitting 1.
Rolling can be effectively prevented by stopping. On the other hand, when the trolley wire T is pushed upward by the pantograph, both anti-vibration metal fittings 1 contract while compressing the spring 7, allowing the trolley wire T to rise and suspending the trolley wire T. Avoid the occurrence of hard spots. further,
If the swinging metal fitting 3 is provided between the arm 2 and the ear 4, there is an effect that when the trolley wire T is pushed up, no torsional stress around the axis is received.
【図１】振止金具の設置状態の正面図である。FIG. 1 is a front view of an installed state of an anti-vibration metal fitting.
【図２】振止金具の正面図である。FIG. 2 is a front view of an anti-vibration metal fitting.
【図３】振止金具の一部の正面図である。FIG. 3 is a front view of a part of the anti-vibration fitting.
【図４】振止金具の先端部の正面図である。FIG. 4 is a front view of the tip end portion of the vibration-proof metal fitting.
１ 振止金具 ２ アーム ３ 首振り金具 ４ イヤー ５ 第１アーム部材 ５ａ 筒状部 ５ｂ ふた ６ 第２アーム部材 ６ａ 挿入部 ６ｂ ばね受け鍔 ７ ばね ８ 取付金具 ９ ピン １０ 調整ボルト Ｓ スパン線 Ｔ トロリ線 1 Anti-vibration bracket Two arms 3 swing metal fittings 4 years 5 First arm member 5a tubular part 5b lid 6 Second arm member 6a insertion part 6b Spring receiving collar 7 spring 8 Mounting bracket 9 pin 10 Adjustment bolt S span line T trolley wire
フロントページの続き (72)発明者 林 博之 東京都品川区南品川６丁目５番19号 三和 テッキ株式会社内Continued front page (72) Inventor Hiroyuki Hayashi 6-5-19 Minami-Shinagawa, Shinagawa-ku, Tokyo Sanwa Inside Techki Co., Ltd.
Claims (3)
基端を支持された左右一対でほぼＶ字状にトロリ線を吊
ることよって、トロリ線の横揺れを防止する振止金具で
あって、 前記支持物に基端を枢支されたアームと、このアームの
先端側に設けられトロリ線を把持するイヤーとを具備
し、 前記アームは、所定範囲で軸線方向に伸縮自在に結合さ
れた第１アーム部材と第２アーム部材と、これら第１及
び第２のアーム部材間に介設され常時両者を最大伸長状
態に維持すべく付勢するばねとを具備することを特徴と
するトロリ線の振止金具。1. An anti-vibration metal fitting for preventing lateral rolling of a trolley wire by suspending the trolley wire in a substantially V-shape by a pair of left and right whose base ends are supported by supports that cross above the trolley wire. An arm having a base end pivotally supported by the support, and an ear provided on a tip end side of the arm for gripping a trolley wire, the arm being extendably and contractably coupled in an axial direction within a predetermined range. A trolley comprising: a first arm member, a second arm member, and a spring interposed between the first and second arm members for constantly urging the first arm member and the second arm member so as to maintain them in a maximum extension state. Wire anti-vibration fitting.
基端を支持された左右一対でほぼＶ字状にトロリ線を吊
ることよって、トロリ線の横揺れを防止する振止金具で
あって、 前記支持物に基端を枢支されたアームと、このアームの
先端に枢支された首振り金具と、この首振り金具に取り
付けられたトロリ線を把持するイヤーとを具備し、 前記アームは、所定範囲で軸線方向に伸縮自在に結合さ
れた第１アーム部材と第２アーム部材と、これら第１及
び第２のアーム部材間に介設され常時両者を最大伸長状
態に維持すべく付勢するばねとを具備することを特徴と
するトロリ線の振止金具。2. An anti-vibration metal fitting for preventing lateral rolling of the trolley wire by suspending the trolley wire in a substantially V-shape by a pair of left and right whose base ends are supported by supports that cross above the trolley wire. An arm pivotally supported at the base end of the support, a swinging metal member pivotally supported at the tip of the arm, and an ear for gripping a trolley wire attached to the swinging metal member, The arm is provided between the first arm member and the second arm member, which are connected to each other so as to be capable of expanding and contracting in the axial direction within a predetermined range, and is interposed between the first and second arm members so as to always maintain them in the maximum extension state. A trolley wire anti-vibration metal fitting, comprising: a biasing spring.
第２アーム部材の先端側を所定範囲で軸線方向相対移動
自在に受け入れる筒状部を具備し、 前記第２アーム部材は、前記筒状部への挿入部の一端
に、筒状部の一端に当接して抜け止めするばね受け鍔を
具備し、 前記ばねは、前記筒状部内にあって、筒状部の他端と前
記ばね受け鍔との間に挿入されることを特徴とする請求
項１又は２に記載のトロリ線の振止金具。3. The first arm member includes, on a base end side thereof, a tubular portion that receives a distal end side of the second arm member so as to be relatively movable in an axial direction within a predetermined range, and the second arm member includes: At one end of the insertion portion into the tubular portion, a spring receiving collar that comes into contact with one end of the tubular portion to prevent the spring from coming off is provided, and the spring is in the tubular portion and is at the other end of the tubular portion. The trolley wire anti-vibration fitting according to claim 1 or 2, which is inserted between the spring receiving collar and the spring receiving collar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001275465A JP4567250B2 (en) | 2001-09-11 | 2001-09-11 | Trolley wire brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001275465A JP4567250B2 (en) | 2001-09-11 | 2001-09-11 | Trolley wire brace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003080977A true JP2003080977A (en) | 2003-03-19 |
| JP4567250B2 JP4567250B2 (en) | 2010-10-20 |
Family
ID=19100329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001275465A Expired - Fee Related JP4567250B2 (en) | 2001-09-11 | 2001-09-11 | Trolley wire brace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4567250B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT504107B1 (en) * | 2006-05-10 | 2008-03-15 | Guenther Wimmer | CONTACT WIRE SIDE HOLDER |
| US9260037B2 (en) | 2011-01-07 | 2016-02-16 | Impulse Nc Llc | Cantilever assembly |
| US9732780B2 (en) | 2014-12-19 | 2017-08-15 | Impulse Nc Llc | Cantilever assembly |
| CN108501771A (en) * | 2018-05-29 | 2018-09-07 | 贺营营 | A kind of support component of railway electric wire |
| CN108608892A (en) * | 2018-05-29 | 2018-10-02 | 贺营营 | A kind of fulcrum bar component of electrification railway contact net |
| CN108749651A (en) * | 2018-05-29 | 2018-11-06 | 贺营营 | A kind of supporting mechanism of electric contact net |
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|---|---|---|---|---|
| JPS4312652Y1 (en) * | 1964-09-01 | 1968-05-30 | ||
| JPS5660632U (en) * | 1979-10-16 | 1981-05-23 | ||
| JPS5774228A (en) * | 1980-10-27 | 1982-05-10 | Japanese National Railways<Jnr> | Device for preventing sag of swing stopper electric-car line |
| JPS5847630A (en) * | 1981-09-16 | 1983-03-19 | Japanese National Railways<Jnr> | Spring type suspension device for power line of lambda shape |
| JPH0340122U (en) * | 1989-08-21 | 1991-04-17 | ||
| JPH09277855A (en) * | 1996-04-11 | 1997-10-28 | East Japan Railway Co | Catenary type rigid electric traction |
| JP2004276882A (en) * | 2003-03-19 | 2004-10-07 | Railway Technical Res Inst | Pull-off device for trolley wire |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT504107B1 (en) * | 2006-05-10 | 2008-03-15 | Guenther Wimmer | CONTACT WIRE SIDE HOLDER |
| US9260037B2 (en) | 2011-01-07 | 2016-02-16 | Impulse Nc Llc | Cantilever assembly |
| US9732780B2 (en) | 2014-12-19 | 2017-08-15 | Impulse Nc Llc | Cantilever assembly |
| CN108501771A (en) * | 2018-05-29 | 2018-09-07 | 贺营营 | A kind of support component of railway electric wire |
| CN108608892A (en) * | 2018-05-29 | 2018-10-02 | 贺营营 | A kind of fulcrum bar component of electrification railway contact net |
| CN108749651A (en) * | 2018-05-29 | 2018-11-06 | 贺营营 | A kind of supporting mechanism of electric contact net |
| CN108749651B (en) * | 2018-05-29 | 2020-12-04 | 湖州达立智能设备制造有限公司 | Supporting mechanism of electric contact net |
| CN108501771B (en) * | 2018-05-29 | 2021-01-29 | 中铁二十三局集团电务工程有限公司 | Supporting component for railway electric wire |
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| JP4567250B2 (en) | 2010-10-20 |
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