JP7252538B2 - Mounting member for tension adjusting device - Google Patents

Mounting member for tension adjusting device Download PDF

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JP7252538B2
JP7252538B2 JP2018231078A JP2018231078A JP7252538B2 JP 7252538 B2 JP7252538 B2 JP 7252538B2 JP 2018231078 A JP2018231078 A JP 2018231078A JP 2018231078 A JP2018231078 A JP 2018231078A JP 7252538 B2 JP7252538 B2 JP 7252538B2
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mounting
mounting member
adjusting device
attached
tension adjusting
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JP2020093588A (en
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高雅 早坂
政利 清水
瑞樹 常本
琢 中村
大輔 佐々木
勇人 奈良場
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Railway Technical Research Institute
Sanwa Tekki Corp
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Railway Technical Research Institute
Sanwa Tekki Corp
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Description

本発明は、鉄道車両に電力を供給するために必要な電車線の張力を調整する張力調整装置を支柱に取り付ける取付部材に関する。 TECHNICAL FIELD The present invention relates to an attachment member for attaching a tension adjusting device to a strut for adjusting the tension of an overhead contact line necessary for supplying electric power to a railway vehicle.

一般に、電車線は張力が変化するとパンタグラフから離線したり、応力が増大するという問題があり、これを防止するためにパンタグラフとの接触状態を維持するために適切な張力で架設されている必要がある。また、電車線の張力の変動の要因として、外気温などの変化による電車線の伸縮による張力の変動が考えられている。 In general, when the tension changes, there is a problem that the overhead contact line separates from the pantograph or the stress increases. To prevent this, it is necessary to maintain the contact state with the pantograph by installing it with an appropriate tension. be. In addition, it is considered that tension fluctuations due to expansion and contraction of overhead contact lines due to changes in the outside air temperature are considered to be factors for fluctuations in the tension of the contact lines.

このような電車線の張力を調整する手段として、電車線の引き留め箇所に張力調整装置を設けることが行われており、当該張力調整装置によって、電車線の張力が適切となるように維持されている。このような張力調整装置は種々の形態が知られているが、例えば特許文献１に記載されているように、滑車式やばね式といった形式の張力調整装置が知られている。 As a means for adjusting the tension of such overhead contact lines, a tension adjusting device is provided at a location where the contact wire is detained, and the tension adjusting device maintains the tension of the contact wire at an appropriate level. there is Various forms of such a tension adjusting device are known. For example, as described in Patent Document 1, pulley type and spring type tension adjusting devices are known.

また、張力調整装置の中でもばね式の張力調整装置は、図４に示すような略三角形状の取付金具１００を介して支柱に支持されている。 Among the tension adjusting devices, a spring type tension adjusting device is supported by a post via a substantially triangular mounting bracket 100 as shown in FIG.

特開平６－１４４０８８号公報JP-A-6-144088

しかしながら、ばね式の張力調整装置は、滑車式に比べると保守性に優れる一方、支柱の上部に重量物が配置される構造であるため、地震時に電車線や支柱にかかる荷重の増大による設備破損が懸念される。これは張力調整装置が地震荷重で水平方向に動揺したことで、支柱に取り付ける支柱バンドに過大な荷重がかかることで設備破損に繋がることが考えられる。このような荷重が伝達する理由としては、従来の取付金具１００は、略三角形状の板状の部材を用いていることが考えられる。 However, while the spring-type tension adjustment device is more maintainable than the pulley type, it is a structure in which heavy objects are placed on the top of the pillars, so during an earthquake, an increase in the load on overhead contact lines and pillars can damage equipment. is concerned. It is conceivable that the tension adjustment device swayed in the horizontal direction due to the seismic load, and an excessive load was applied to the strut band attached to the strut, leading to equipment damage. A possible reason for such load transmission is that the conventional mounting bracket 100 uses a substantially triangular plate-like member.

そこで、本発明の目的は、上述した課題を解決するためになされたものであり、地震時に張力調整装置が動揺した場合に、支柱バンドに荷重が伝達しないようにして支柱バンドの破損を防ぐと共に、張力調整装置が動揺した場合の対策としてより重量増加を抑えることができる取付部材を提供することにある。 SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-described problems. Another object of the present invention is to provide a mounting member capable of suppressing an increase in weight as a countermeasure when a tension adjusting device is shaken.

本発明に係る取付部材は、支柱に取り付けられる第１の部材と、電車線に接続される張力調整装置に取り付けられる第２の部材を備え、前記第１の部材と前記第２の部材は水平方向と交差する方向に延びる回動軸によって互いに回動自在に組み付けられ、前記第２の部材は、前記張力調整装置に取り付ける本体部と、前記回動軸を組み付ける回動軸取付部を備え、前記本体部は、肉盗み部が形成されて水平断面が略Ｈ状に形成されていることを特徴とする。 A mounting member according to the present invention comprises a first member mounted on a post and a second member mounted on a tension adjusting device connected to a contact line, wherein the first member and the second member are horizontal. The second member is rotatably assembled to each other by a rotation shaft extending in a direction intersecting the direction, and the second member includes a body portion attached to the tension adjusting device and a rotation shaft mounting portion for assembling the rotation shaft, The body portion is characterized in that a thinned portion is formed so that the horizontal cross section is formed in a substantially H shape .

また、本発明に係る取付部材において、前記第２の部材は、前記張力調整装置に水平方向に延びる第２の回動軸を介して回動自在に取り付けられていると好適である。 Moreover, in the mounting member according to the present invention, it is preferable that the second member is rotatably mounted to the tension adjusting device via a second rotating shaft extending in the horizontal direction.

また、本発明に係る取付部材において、前記第１の部材は、前記支柱への取付寸法を調整する隙間調整手段を備えると好適である。 Moreover, in the mounting member according to the present invention, it is preferable that the first member has clearance adjusting means for adjusting a mounting dimension to the support.

また、本発明に係る取付部材において、前記第１の部材は、前記支柱に固定される固定部を少なくとも２以上備えると好適である。 Moreover, in the mounting member according to the present invention, it is preferable that the first member has at least two fixing portions fixed to the support.

本発明によれば、取付部材が第１の部材と第２の部材とに分割して構成され、第１の部材と第２の部材とが回転軸によって互いに回動自在に組み付けられているので、地震などによって張力調整装置が動揺した場合に、支柱バンドに荷重が伝達しないようにして支柱バンドの破損を防ぐと共に、重量増加を抑えることができる。 According to the present invention, the mounting member is divided into the first member and the second member, and the first member and the second member are rotatably assembled to each other by the rotation shaft. When the tension adjusting device sways due to an earthquake or the like, load is not transmitted to the support band, thereby preventing damage to the support band and suppressing an increase in weight.

また、本発明によれば、第２の部材が第２の回転軸を備えているので、張力調整装置が動揺した場合に、回転軸と第２の回転軸とによってより確実に荷重を支柱バンドに伝達しないように構成することができる。 Further, according to the present invention, since the second member has the second rotating shaft, when the tension adjusting device is shaken, the load can be more reliably transferred by the rotating shaft and the second rotating shaft. can be configured not to transmit to

また、本発明によれば、本体部が断面略Ｈ状に形成されているので、強度を維持しつつ取付部材の軽量化を図ることができる。 Further, according to the present invention, since the main body portion is formed to have a substantially H-shaped cross section, it is possible to reduce the weight of the mounting member while maintaining the strength.

また、本発明によれば、第１の部材に隙間調整手段を備えているので、支柱バンドを確実に第１の部材に取り付けることが可能となる。 Further, according to the present invention, since the first member is provided with the gap adjusting means, it is possible to securely attach the support band to the first member.

また、本発明によれば、第１の部材は、少なくとも２以上の固定部によって支柱に固定されているので、確実に支柱に張力調整装置を取り付けることができる。 Further, according to the present invention, the first member is fixed to the support by at least two fixing portions, so that the tension adjustment device can be securely attached to the support.

本発明の実施形態に係る取付部材の取り付け状態を示す図。The figure which shows the attachment state of the attachment member which concerns on embodiment of this invention. 本発明の実施形態に係る取付部材の正面図。The front view of the attachment member which concerns on embodiment of this invention. 本発明の実施形態に係る取付部材の平面図。The top view of the attachment member which concerns on embodiment of this invention. 従来の取付金具の正面図。The front view of the conventional mounting bracket.

以下、本発明を実施するための好適な実施形態について、図面を用いて説明する。なお、以下の実施形態は、各請求項に係る発明を限定するものではなく、また、実施形態の中で説明されている特徴の組み合わせの全てが発明の解決手段に必須であるとは限らない。 Preferred embodiments for carrying out the present invention will be described below with reference to the drawings. In addition, the following embodiments do not limit the invention according to each claim, and not all combinations of features described in the embodiments are essential for the solution of the invention. .

図１は、本発明の実施形態に係る取付部材の取り付け状態を示す図であり、図２は、本発明の実施形態に係る取付部材の正面図であり、図３は、本発明の実施形態に係る取付部材の平面図であり、図４は、従来の取付金具の正面図である。 FIG. 1 is a diagram showing a mounting state of a mounting member according to an embodiment of the present invention, FIG. 2 is a front view of the mounting member according to an embodiment of the present invention, and FIG. 3 is an embodiment of the present invention. FIG. 4 is a plan view of a mounting member according to the present invention, and FIG. 4 is a front view of a conventional mounting bracket.

図１に示すように、張力調整装置１は、同軸状に配置された３つ筒部材である外側筒部材２と中央筒部材３と内側筒部材４とを備えている。 As shown in FIG. 1, the tension adjusting device 1 includes three coaxially arranged tubular members, namely, an outer tubular member 2, a central tubular member 3, and an inner tubular member 4. As shown in FIG.

外側筒部材２と中央筒部材３との径方向の隙間には、圧縮された状態にある第１のコイルばねが収められている。第１のコイルばねの一端は、中央筒部材３に形成された外側フランジ部に接触し、第１のコイルばねの他端は、外側筒部材２に形成された内側フランジ部に接触している。 A first coil spring in a compressed state is housed in a radial gap between the outer tubular member 2 and the central tubular member 3 . One end of the first coil spring contacts the outer flange formed on the central tubular member 3, and the other end of the first coil spring contacts the inner flange formed on the outer tubular member 2. .

中央筒部材３と内側筒部材４との径方向の隙間には、圧縮された状態にある第２のコイルばねが収納されている。第２のコイルばねの一端は、内側筒部材４に形成された外側フランジ部に接触し、第２のコイルばねの他端は、中央筒部材３に形成された内側フランジ部に接触している。第１のコイルばねと第２のコイルばねが、筒部材と接触する部分には、両者間の相対的な滑りを阻害しないように潤滑剤であるグリスが塗布あるいは充填されている。潤滑剤は、潤滑機能を有するものであればグリスに限定されない。 A second coil spring in a compressed state is accommodated in a radial gap between the central tubular member 3 and the inner tubular member 4 . One end of the second coil spring contacts the outer flange formed on the inner tubular member 4, and the other end of the second coil spring contacts the inner flange formed on the central tubular member 3. . Grease, which is a lubricant, is applied or filled in the portions of the first coil spring and the second coil spring that contact the cylindrical member so as not to hinder the relative sliding between the two. The lubricant is not limited to grease as long as it has a lubricating function.

図１における内側筒部材４の端面には、電車線取付部材５が固定されている。電車線取付部材５は、ボルト孔を備え、このボルト孔を利用して電車線１０が電車線取付部材５に取り付けられる。電車線としては、鉄道用の架線が挙げられるが、他の用途の電力用架空線、信号伝送用の架空線、支持用の架空線等であってもよい。 A contact wire mounting member 5 is fixed to the end surface of the inner cylindrical member 4 in FIG. The contact wire mounting member 5 has a bolt hole, and the contact wire 10 is attached to the contact wire mounting member 5 using this bolt hole. As the contact line, an overhead wire for railroads is mentioned, but it may be an overhead wire for electric power for other uses, an overhead wire for signal transmission, an overhead wire for support, and the like.

また、張力調整装置１は、支持部６によって支柱１１に支持されている。すなわち、支持部６のフランジ部が支柱１１に支柱バンド１２によって取り付けられた取付部材２０によって押さえられ、支持部６が外側筒部材２に対して相対的に水平方向に動かないようにされている。 Further, the tension adjusting device 1 is supported by the support 6 on the support 11 . That is, the flange portion of the support portion 6 is pressed by the mounting member 20 attached to the support 11 by the support band 12, so that the support portion 6 is prevented from moving in the horizontal direction relative to the outer cylindrical member 2. .

さらに、外側筒部材２の上部には、棒状の吊り部材７の一端が取り付けられ、吊り部材７の他端は、支柱１１の上部に支柱バンド１２によって固定されている。 Furthermore, one end of a rod-shaped hanging member 7 is attached to the upper portion of the outer tubular member 2 , and the other end of the hanging member 7 is fixed to the upper portion of the support 11 by a support band 12 .

図２に示すように、本実施形態に係る取付部材２０は、支柱に取り付けられる第１の部材２１と、電車線に接続される張力調整装置に取り付けられる第２の部材３１とを備えている。第１の部材２１と第２の部材３１は、水平方向に交差する方向（図１における鉛直方向）に沿って延びる回動軸２２によって互いに回動自在に組み付けられている。なお、回動軸２２は、ボルト状の部材であって、先端側にナット２３が取り付けられて抜け止め機構を構成している。 As shown in FIG. 2, the mounting member 20 according to this embodiment includes a first member 21 attached to a support and a second member 31 attached to a tension adjusting device connected to a contact line. . The first member 21 and the second member 31 are rotatably assembled to each other by a rotation shaft 22 extending along a direction crossing the horizontal direction (vertical direction in FIG. 1). The rotating shaft 22 is a bolt-shaped member, and a nut 23 is attached to the distal end thereof to form a retaining mechanism.

第１の部材２１は、略Ｔ字状の部材であって、支柱に取り付けた支柱バンドを締結する固定部２４が回動軸２２の挿入方向に沿って複数形成されている。また、第１の部材２１は、回動軸２２が挿通可能な貫通孔２６を備えた回動部２５を備えている。 The first member 21 is a substantially T-shaped member, and has a plurality of fixing portions 24 for fastening a strut band attached to a strut along the insertion direction of the rotating shaft 22 . The first member 21 also has a rotating portion 25 having a through hole 26 through which the rotating shaft 22 can be inserted.

第２の部材３１は、第１の部材２１の回動部２５が組み付けられる回動軸取付部３２と、張力調整装置に取り付けられる本体部３３とを備えている。回動軸取付部３２は、本体部３３から水平に延びる一対の鍔部であって、該一対の鍔部間に第１の部材２１の回動部２５が組み付けられる。また、回動軸取付部３２には、回動軸２２が挿通可能な貫通孔３７が形成され、回動部２５の貫通孔２６と同軸に組み付けることで、回動軸２２が挿通可能に構成されている。 The second member 31 includes a rotary shaft attachment portion 32 to which the rotary portion 25 of the first member 21 is attached, and a body portion 33 attached to the tension adjusting device. The rotating shaft mounting portion 32 is a pair of flanges extending horizontally from the body portion 33, and the rotating portion 25 of the first member 21 is assembled between the pair of flanges. In addition, a through hole 37 through which the rotating shaft 22 can be inserted is formed in the rotating shaft mounting portion 32, and by assembling it coaxially with the through hole 26 of the rotating portion 25, the rotating shaft 22 can be inserted. It is

本体部３３は、図１に示すように張力調整装置に水平方向に延びる第２の回動軸３６が組み付けられる第２の回動軸挿入部３４が形成され、該第２の回動軸挿入部３４と回動軸取付部３２との間に肉盗み部３５が形成されている。このように、本体部３３は、肉盗み部３５が形成されているので、図３に示すように、鉛直断面が略Ｈ状に形成されている。 As shown in FIG. 1, the main body portion 33 is formed with a second rotating shaft insertion portion 34 to which a second rotating shaft 36 extending in the horizontal direction is assembled to the tension adjusting device. A recessed portion 35 is formed between the portion 34 and the rotary shaft mounting portion 32 . Since the main body portion 33 is formed with the reduced thickness portion 35 in this manner, the vertical cross section is formed in a substantially H shape as shown in FIG. 3 .

また、第１の部材２１の固定部２４には、ワッシャ状の隙間調整手段２７を介して支柱バンド１２が組み付けられると好適である。この隙間調整手段２７によって、支柱バンド１２の製造誤差などが生じた場合であっても確実に支柱バンド１２と取付部材２０との取付け面を適切に確保することが可能となる。 Moreover, it is preferable that the support band 12 is attached to the fixing portion 24 of the first member 21 via a washer-like gap adjusting means 27 . This gap adjusting means 27 makes it possible to secure an appropriate mounting surface between the support band 12 and the mounting member 20 without fail even if a manufacturing error or the like occurs in the support band 12 .

このように構成された本実施形態に係る取付部材２０は、第１の部材２１と第２の部材３１とが回動軸２２によって回動自在に組み付けられているので、地震などによって張力調整装置が動揺した場合であっても第１の部材２１と第２の部材３１とが回動軸２２回りに回動することで荷重を逃がし、支柱や支柱バンドなどの装柱金具に加わる荷重を軽減して電車線設備の破壊を防止することができる。 In the mounting member 20 according to the present embodiment configured in this manner, the first member 21 and the second member 31 are rotatably assembled by the rotating shaft 22, so that the tension adjusting device may be damaged by an earthquake or the like. Even if the first member 21 and the second member 31 sway, the load is released by rotating the first member 21 and the second member 31 around the rotating shaft 22, and the load applied to the mounting bracket such as the strut and the strut band is reduced. By doing so, it is possible to prevent the destruction of the overhead contact line equipment.

また、本実施形態に係る取付部材２０は、回動軸２２と交差する水平方向に沿って延びる第２の回動軸３６によって張力調整装置に組み付けられているので、回動軸２２と第２の回動軸３６の二軸で荷重を低減させることで鉛直方向及び水平方向といった複数の方向の荷重低減が可能となる。 Further, since the mounting member 20 according to the present embodiment is assembled to the tension adjusting device by the second rotating shaft 36 extending along the horizontal direction intersecting with the rotating shaft 22, the rotating shaft 22 and the second rotating shaft 36 are attached. It is possible to reduce the load in a plurality of directions such as the vertical direction and the horizontal direction by reducing the load on the two axes of the rotating shaft 36 .

また、第２の部材３１の本体部３３には、肉盗み部３５が形成されて鉛直断面形状が略Ｈ状に形成されているので、取付部材２０の強度を確保したまま軽量化を図ることが可能となる。 In addition, since the main body portion 33 of the second member 31 is formed with the reduced thickness portion 35 and the vertical cross-sectional shape is formed in a substantially H shape, the weight of the mounting member 20 can be reduced while ensuring the strength thereof. becomes possible.

さらに、第１の部材２１は、支柱に固定される固定部２４が鉛直方向に沿って２以上形成されているので、取付部材２０を支柱に確実に固定することが可能となる。 Furthermore, since the first member 21 has two or more fixing portions 24 that are fixed to the column along the vertical direction, it is possible to reliably fix the mounting member 20 to the column.

なお、上述した実施形態において、固定部２４は２つ形成した場合について説明を行ったが、２以上形成しても構わない。また、支柱バンドは、隙間調整手段２７を介して第１の部材２１に取り付けられる場合について説明を行ったが、第１の部材２１の取付面が適切に確保できれば隙間調整手段２７を用いなくとも構わない。その様な変更又は改良を加えた形態も本発明の技術的範囲に含まれうることが、特許請求の範囲の記載から明らかである。 In the above-described embodiment, the case where two fixing portions 24 are formed has been described, but two or more fixing portions 24 may be formed. In addition, although the support band is attached to the first member 21 via the gap adjusting means 27, it can be mounted without using the gap adjusting means 27 if the mounting surface of the first member 21 can be properly secured. I do not care. It is clear from the description of the scope of claims that forms with such modifications or improvements can also be included in the technical scope of the present invention.

１ 張力調整装置
２ 外側筒部材
３ 中央筒部材
４ 内側筒部材
５ 電車線取付部
６ 支持部
７ 吊り部材
１０ 電車線
１１ 支柱
１２ 支柱バンド
２０ 取付部材
２１ 第１の部材
２２ 回動軸
２３ ナット
２４ 固定部
２５ 回動部
２６ 貫通孔
２７ 隙間調整手段
３１ 第２の部材
３２ 回動軸取付部
３３ 本体部
３４ 第２の回動軸挿入部
３５ 肉盗み部
３６ 第２の回動軸。 Reference Signs List 1 tension adjusting device 2 outer cylindrical member 3 central cylindrical member 4 inner cylindrical member 5 contact wire mounting portion 6 support portion 7 suspension member 10 contact wire 11 support 12 support band 20 mounting member 21 first member 22 rotating shaft 23 nut 24 Fixed portion 25 Rotating portion 26 Through hole 27 Gap adjusting means 31 Second member 32 Rotating shaft mounting portion 33 Body portion 34 Second rotating shaft insertion portion 35 Thinning portion 36 Second rotating shaft.

Claims (4)

支柱に取り付けられる第１の部材と、電車線に接続される張力調整装置に取り付けられる第２の部材を備え、
前記第１の部材と前記第２の部材は水平方向と交差する方向に延びる回動軸によって互いに回動自在に組み付けられ、
前記第２の部材は、前記張力調整装置に取り付ける本体部と、前記回動軸を組み付ける回動軸取付部を備え、前記本体部は、肉盗み部が形成されて水平断面が略Ｈ状に形成されていることを特徴とする取付部材。 comprising a first member attached to the strut and a second member attached to a tension adjustment device connected to the contact line;
the first member and the second member are rotatably assembled to each other by a rotation shaft extending in a direction intersecting the horizontal direction ;
The second member includes a main body portion to be attached to the tension adjusting device and a rotary shaft attachment portion to which the rotary shaft is attached, and the main body portion has a thinned portion and has a substantially H-shaped horizontal cross section. A mounting member, characterized in that: 請求項１に記載の取付部材において、
前記第２の部材は、前記張力調整装置に水平方向に延びる第２の回動軸を介して回動自在に取り付けられていることを特徴とする取付部材。 The mounting member according to claim 1,
The mounting member, wherein the second member is rotatably mounted to the tension adjusting device via a second rotating shaft extending in a horizontal direction. 請求項１又は２に記載の取付部材において、
前記第１の部材は、前記支柱への取付寸法を調整する隙間調整手段を備えることを特徴とする取付部材。 3. The mounting member according to claim 1 or 2 ,
A mounting member, wherein the first member has clearance adjusting means for adjusting a mounting dimension to the strut. 請求項１から３の何れか１項に記載の取付部材において、
前記第１の部材は、前記支柱に固定される固定部を少なくとも２以上備えることを特徴とする取付部材。 In the mounting member according to any one of claims 1 to 3 ,
The mounting member, wherein the first member includes at least two fixing portions fixed to the support.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015157615A (en) 2014-02-25 2015-09-03 本田技研工業株式会社 vehicle
JP2017053128A (en) 2015-09-09 2017-03-16 大成建設株式会社 Installation structure of damping device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5321748Y2 (en) * 1972-09-16 1978-06-07
JPS5245928Y2 (en) * 1973-04-26 1977-10-19
JPS5046179U (en) * 1973-08-15 1975-05-08
JPS5819833U (en) * 1981-07-31 1983-02-07 三和テッキ株式会社 Pulley type tension balancer with unbalanced weight
US5036162A (en) * 1989-09-01 1991-07-30 Lapp Insulator Company Triaxial mount

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015157615A (en) 2014-02-25 2015-09-03 本田技研工業株式会社 vehicle
JP2017053128A (en) 2015-09-09 2017-03-16 大成建設株式会社 Installation structure of damping device

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