JP4846479B2 - Rigid train line - Google Patents

Rigid train line Download PDF

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JP4846479B2
JP4846479B2 JP2006205294A JP2006205294A JP4846479B2 JP 4846479 B2 JP4846479 B2 JP 4846479B2 JP 2006205294 A JP2006205294 A JP 2006205294A JP 2006205294 A JP2006205294 A JP 2006205294A JP 4846479 B2 JP4846479 B2 JP 4846479B2
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web
ridge
ear
shaped frame
insertion hole
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JP2008030579A (en
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徳弘 岸田
盛実 山川
毅 萬代
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Sanwa Tekki Corp
Central Japan Railway Co
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Sanwa Tekki Corp
Central Japan Railway Co
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Description

この発明は、地下鉄などにおける電気鉄道車両に給電するために、隧道の天井に支持される剛体電車線に関する。   The present invention relates to a rigid train line supported on a ceiling of a railway to supply electric power to an electric railway vehicle in a subway or the like.

剛体電車線として、従来、例えば、特許文献１に記載されたものが知られている。この剛体電車線は、イヤーの突片をＴ型架台の段部に嵌合して、ボルトと特殊ナットとで締め付け、トロリ線を挟持するものである。
特開平８−１５６６５７号公報 Conventionally, as a rigid train line, for example, one described in Patent Document 1 is known. In this rigid train line, an ear protrusion is fitted to a step portion of a T-shaped frame, and is tightened with a bolt and a special nut to sandwich a trolley line.
JP-A-8-156657

上記従来の剛体電車線においては、Ｔ型架台に対してトロリ線とイヤーを固定する際に、三者を適正位置に位置決めするのが容易でない。また三者の締め付けに、特殊な筒状ナットを用いるため、汎用性に欠ける難点がある。
したがって、この発明は、Ｔ型架台に対してトロリ線とイヤーを固定する際の三者の位置決めが容易で、設置作業を迅速確実に行うことができ、また三者の締め付けに、汎用のボルト・ナットを用いて、その締め付け作業を容易に行うことができる剛体電車線を提供しようとするものである。 In the conventional rigid train line, it is not easy to position the three members at appropriate positions when fixing the trolley wire and the ear to the T-shaped frame. Moreover, since a special cylindrical nut is used for the tightening of the three parties, there is a problem that lacks versatility.
Therefore, the present invention facilitates the positioning of the three parties when fixing the trolley wire and the ear to the T-shaped frame, can perform the installation work quickly and reliably, and is a general-purpose bolt for tightening the three parties. -It is intended to provide a rigid train wire that can be easily tightened using a nut.

上記課題を解決するため、この発明においては、Ｔ型架台２におけるウェブ８の挟持部９に、内側突条１０と、外側突条１１と、ボルト挿通孔１２と、挟持爪１３とを具備させる。内側突条１０は、ウェブ８の一側面からイヤー３側へ突出して長手方向へ延びるように設ける。外側突条１１は、ウェブ８の他側面からイヤー３と反対側へ突出して長手方向へ延びるように設ける。ボルト挿通孔１２は、内側突条１０と外側突条１１の直上に位置して、ウェブ８を貫通するように設ける。イヤー３には、上部突条１５と、下部突条１６と、ボルト挿通孔１７と、挟持爪１８とを具備させる。上部突条１５は、上端部に位置して、先端がウェブ８の一側面に当接するように、当該ウェブ８の一側面に向かって突出し、長手方向へ伸びるように設ける。下部突条１６は、上部突条１５の下方に間隔をおいて配置し、ウェブ８の一側面に向かって突出し、長手方向へ伸びるように設ける。ボルト挿通孔１７は、上部突条１５と下部突条１６の間に位置して、イヤー３を貫通するように設ける。挟持爪１８は、下部突条１６の下方に配置し、トロリ線４の他方の条溝１９に嵌合し長手方向へ延びるように設ける。さらに、Ｔ型架台２の外側突条１１には、ボルト挿通孔１２に挿通されるボルトの頭部平面に当接してこれを回り止めする上部平面２０を設ける。Ｔ型架台２の内側突条１０には、イヤー３の下部突条１６の下面を載せ受けたときに、イヤー３のボルト挿通孔１７をＴ型架台のボルト挿通孔１２に対向させると共に、イヤー３の挟持爪１８をＴ型架台の挟持爪１３に対向させる上部平面２１を設ける。   In order to solve the above-described problem, in the present invention, the pinching portion 9 of the web 8 in the T-type gantry 2 is provided with an inner ridge 10, an outer ridge 11, a bolt insertion hole 12, and a clamping claw 13. . The inner ridge 10 is provided so as to protrude from one side surface of the web 8 to the ear 3 side and extend in the longitudinal direction. The outer ridge 11 is provided so as to protrude from the other side of the web 8 to the side opposite to the ear 3 and extend in the longitudinal direction. The bolt insertion hole 12 is provided directly above the inner ridge 10 and the outer ridge 11 so as to penetrate the web 8. The ear 3 is provided with an upper protrusion 15, a lower protrusion 16, a bolt insertion hole 17, and a clamping claw 18. The upper protrusion 15 is located at the upper end, and is provided so as to protrude toward one side of the web 8 and extend in the longitudinal direction so that the tip abuts against one side of the web 8. The lower ridges 16 are arranged below the upper ridges 15 at intervals, projecting toward one side of the web 8 and extending in the longitudinal direction. The bolt insertion hole 17 is provided between the upper protrusion 15 and the lower protrusion 16 so as to penetrate the ear 3. The nail | claw 18 is arrange | positioned under the lower protrusion 16, is provided so that it may fit in the other groove | channel 19 of the trolley wire 4, and may extend in a longitudinal direction. Further, the outer ridge 11 of the T-type gantry 2 is provided with an upper plane 20 that abuts against the head plane of the bolt inserted through the bolt insertion hole 12 and prevents it from rotating. When the lower surface of the lower ridge 16 of the ear 3 is placed on the inner ridge 10 of the T-type frame 2, the bolt insertion hole 17 of the ear 3 is opposed to the bolt insertion hole 12 of the T-type gantry, and the ear The upper flat surface 21 is provided so that the three clamping claws 18 are opposed to the clamping claws 13 of the T-shaped frame.

Ｔ型架台２の内側突条１０の上部平面２１に、イヤー３の下部突条１６の下面を載せ受けたときに、イヤー３のボルト挿通孔１７がＴ型架台のボルト挿通孔１２に対向すると共に、イヤー３の挟持爪１８がＴ型架台の挟持爪１３に対向するように位置決めされるから、設置作業時の位置決めが容易で、作業を確実迅速に進行できる。内側突条１０の上部平面２１に、イヤー３の下部突条１６が載るので、ボルト、ナット５，６による締め付け部間（約５００mm）におけるイヤー３およびトロリ線４のたわみが確実に防止される。ボルト挿通孔１２，１８にボルト５を挿通させたときに、ボルト５の頭部平面がＴ型架台２の外側突条１１の上部平面２０に当接して回り止めされるから、ナット６の締め付け作業は容易に行える。ボルト、ナット５，６は汎用品でよい。外側突条１１は、ウェブ８に剛性を付与し、たわみを防止すると共に、トロリ線４に対する大きな挟持力に耐えるものとする。   When the lower surface of the lower ridge 16 of the ear 3 is placed on the upper flat surface 21 of the inner ridge 10 of the T-shaped frame 2, the bolt insertion hole 17 of the ear 3 faces the bolt insertion hole 12 of the T-shaped frame. At the same time, since the clamping claws 18 of the ear 3 are positioned so as to face the clamping claws 13 of the T-type gantry, the positioning during the installation work is easy, and the work can be progressed reliably and promptly. Since the lower protrusion 16 of the ear 3 is placed on the upper flat surface 21 of the inner protrusion 10, bending of the ear 3 and the trolley wire 4 between the tightening portions (about 500 mm) by the bolts and nuts 5 and 6 is surely prevented. . When the bolt 5 is inserted into the bolt insertion holes 12, 18, the head plane of the bolt 5 abuts against the upper plane 20 of the outer ridge 11 of the T-type frame 2, so that the nut 6 is tightened. Work is easy. Bolts and nuts 5 and 6 may be general-purpose products. The outer ridge 11 imparts rigidity to the web 8 to prevent bending, and withstands a large clamping force with respect to the trolley wire 4.

図面を参照してこの発明の実施の形態を説明する。図１は本発明の剛体電車線の断面図、図２は本発明の剛体電車線の側面図、図３は本発明の剛体電車線の一部の斜視図である。   Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a sectional view of a rigid train line of the present invention, FIG. 2 is a side view of the rigid train line of the present invention, and FIG. 3 is a perspective view of a part of the rigid train line of the present invention.

剛体電車線１は、隧道の天井にレールに沿って延びるように支持されるＴ型架台２と、ボルト・ナット５，６によってＴ型架台２の側面に固定されるイヤー３と、イヤー３とＴ型架台２との間に挟持されるトロリ線４とを具備する。   The rigid train line 1 includes a T-type frame 2 supported so as to extend along the rail to the ceiling of the tunnel, an ear 3 fixed to the side surface of the T-type frame 2 by bolts and nuts 5 and 6, And a trolley wire 4 sandwiched between the T-type frame 2.

Ｔ型架台２は、アルミまたはアルミ合金製で、上部にあって隧道の天井に支持されるフランジ７とフランジ７の中央から垂下するウェブ８とを有する。   The T-type gantry 2 is made of aluminum or aluminum alloy, and has a flange 7 on the upper portion and supported by the ceiling of the tunnel, and a web 8 that hangs down from the center of the flange 7.

イヤー３は、アルミまたはアルミ合金製で、Ｔ型架台のウェブ８の下部一側面に沿いウェブ８の延長方向に所定の長さ伸びる長尺帯板状のもので、ボルト・ナット５，６によってウェブ８の側面に固定される。   The ear 3 is made of aluminum or aluminum alloy and is a long strip plate extending along a lower side surface of the web 8 of the T-shaped frame in the extending direction of the web 8 by bolts and nuts 5 and 6. It is fixed to the side of the web 8.

トロリ線４は、イヤー３の下縁部とＴ型架台のウェブ８の下縁部に形成された挟持部９との間に挟持され、ウェブ８の下端に沿うように配置される。   The trolley wire 4 is sandwiched between the lower edge portion of the ear 3 and the sandwiching portion 9 formed at the lower edge portion of the web 8 of the T-shaped frame, and is arranged along the lower end of the web 8.

ウェブ８の挟持部９は、内側突条１０、外側突条１１、ボルト挿通孔１２、挟持爪１３を有する。内側突条１０は、ウェブ８の一側面からイヤー３側へ突出して、長手方向へ延びる。外側突条１１は、ウェブ８の他側面からイヤー３と反対側へ突出して、長手方向へ延びる。ボルト挿通孔１２は、突条１０，１１の直上に位置してウェブ８を貫通する。挟持爪１３は、両突条１０，１１の下部に形成され、トロリ線４の一方の条溝１４に嵌合するように長手方向へ延びる。   The clamping portion 9 of the web 8 includes an inner ridge 10, an outer ridge 11, a bolt insertion hole 12, and a clamping claw 13. The inner ridge 10 protrudes from one side surface of the web 8 toward the ear 3 and extends in the longitudinal direction. The outer ridge 11 protrudes from the other side of the web 8 to the side opposite to the ear 3 and extends in the longitudinal direction. The bolt insertion hole 12 is positioned directly above the protrusions 10 and 11 and penetrates the web 8. The clamping claw 13 is formed in the lower part of both the protrusions 10 and 11, and extends in the longitudinal direction so as to be fitted into one groove 14 of the trolley wire 4.

イヤー３は、上部突条１５と、下部突条１６と、ボルト挿通孔１７と、挟持爪１８とを具備する。   The ear 3 includes an upper protrusion 15, a lower protrusion 16, a bolt insertion hole 17, and a clamping claw 18.

上部突条１５は、上端部に位置し、先端がウェブ８の一側面に当接するように当該ウェブの一側面に向かって突出し、長手方向へ伸びる。下部突条１６は、上部突条１５の下方に間隔をおいて位置し、ウェブ８の一側面に向かって突出し、長手方向へ伸びる。ボルト挿通孔１７は、上部突条１５と下部突条１６の間に位置してイヤー３を貫通する。挟持爪１８は、下部突条１６の下方に位置し、トロリ線４の他方の条溝１９に嵌合するように長手方向へ延びる。   The upper ridge 15 is located at the upper end, protrudes toward one side of the web such that the tip abuts against one side of the web 8, and extends in the longitudinal direction. The lower ridge 16 is positioned below the upper ridge 15 at an interval, protrudes toward one side of the web 8, and extends in the longitudinal direction. The bolt insertion hole 17 is located between the upper protrusion 15 and the lower protrusion 16 and penetrates the ear 3. The clamping claw 18 is positioned below the lower protrusion 16 and extends in the longitudinal direction so as to fit into the other groove 19 of the trolley wire 4.

Ｔ型架台２の外側突条１１は、ボルト挿通孔１２に挿通されるボルト５の頭部平面に当接して、ボルト５を回り止めする上部平面２０を有する。外側突条１１は、ウェブ８に剛性を付与し、たわみを防止すると共に、トロリ線４に対する大きな挟持力に耐えるものである。Ｔ型架台２の内側突条１０は上部平面２１を有する。上部平面２１は、イヤー３の下部突条１６の下面を載せ受けたときに、イヤー３のボルト挿通孔１７をＴ型架台のボルト挿通孔１２に対向させると共に、イヤー３の挟持爪１８をＴ型架台２の前記挟持爪１３に対向させるように位置決めする。下部突条１６の突出長さは、上部突条１５の突出長さよりやや短く、Ｔ型架台２とイヤー３との間にトロリ線４を挟んでボルト・ナット５，６で締め付けた状態で、上部突条１５の先端がウェブ８の一側面に当接するが、下部突条１６の先端はウェブ８の一側面に当接しない。   The outer ridge 11 of the T-shaped frame 2 has an upper plane 20 that abuts against the head plane of the bolt 5 inserted through the bolt insertion hole 12 and prevents the bolt 5 from rotating. The outer ridge 11 imparts rigidity to the web 8 to prevent deflection and withstands a large clamping force with respect to the trolley wire 4. The inner ridge 10 of the T-shaped mount 2 has an upper flat surface 21. The upper flat surface 21 makes the bolt insertion hole 17 of the ear 3 face the bolt insertion hole 12 of the T-type frame when the lower surface of the lower protrusion 16 of the ear 3 is placed and received, and the clamping claw 18 of the ear 3 is Positioning is performed so as to oppose the clamping claws 13 of the mold mount 2. The protruding length of the lower ridge 16 is slightly shorter than the protruding length of the upper ridge 15, with the trolley wire 4 sandwiched between the T-frame 2 and the ear 3 and tightened with bolts and nuts 5 and 6. The tip of the upper ridge 15 abuts on one side of the web 8, but the tip of the lower ridge 16 does not abut on one side of the web 8.

Ｔ型架台２の内側突条１０の上部平面２１に、イヤー３の下部突条１６の下面を載せ受けたときに、イヤー３のボルト挿通孔１７がＴ型架台のボルト挿通孔１２に対向すると共に、イヤー３の挟持爪１８がＴ型架台の挟持爪１３に対向するように位置決めされるから、設置作業時の位置決めが容易で、作業を確実迅速に進行できる。内側突条１０の上部平面２１に、イヤー３の下部突条１６が載るので、ボルト、ナット５，６による締め付け部間（約５００mm）におけるイヤー３およびトロリ線４のたわみが確実に防止される。ボルト挿通孔１２，１８にボルト５を挿通させたときに、ボルト５の頭部平面がＴ型架台２の外側突条１１の上部平面２０に当接して回り止めされるから、ナット６の締め付け作業は容易に行える。ボルト、ナット５，６は汎用品でよい。   When the lower surface of the lower ridge 16 of the ear 3 is placed on the upper flat surface 21 of the inner ridge 10 of the T-shaped frame 2, the bolt insertion hole 17 of the ear 3 faces the bolt insertion hole 12 of the T-shaped frame. At the same time, since the clamping claws 18 of the ear 3 are positioned so as to face the clamping claws 13 of the T-type gantry, the positioning during the installation work is easy, and the work can be progressed reliably and promptly. Since the lower protrusion 16 of the ear 3 is placed on the upper flat surface 21 of the inner protrusion 10, bending of the ear 3 and the trolley wire 4 between the tightening portions (about 500 mm) by the bolts and nuts 5 and 6 is surely prevented. . When the bolt 5 is inserted into the bolt insertion holes 12, 18, the head plane of the bolt 5 abuts against the upper plane 20 of the outer ridge 11 of the T-type frame 2, so that the nut 6 is tightened. Work is easy. Bolts and nuts 5 and 6 may be general-purpose products.

Ｔ型架台２とイヤー３との間にトロリ線４を挟んでボルト・ナット５，６で締め付けた状態で、上部突条１５の先端がウェブ８の一側面に当接するが、下部突条１６の先端はウェブ８の一側面に当接しないので、トロリ線４を所定の弾性をもって確実に挟持することができる。 While the trolley wire 4 is sandwiched between the T-shaped frame 2 and the ear 3, and the bolts and nuts 5 and 6 are tightened, the tip of the upper ridge 15 abuts against one side surface of the web 8, but the lower ridge 16 Since the tip of this does not contact one side surface of the web 8, the trolley wire 4 can be securely clamped with a predetermined elasticity.

この発明は、例えば、地下鉄などにおける電気鉄道車両に給電するために、隧道の天井に支持される剛体電車線として利用される。   The present invention is used as a rigid train line supported on a ceiling of a railway, for example, to supply power to an electric railway vehicle in a subway or the like.

本発明の剛体電車線の断面図である。It is sectional drawing of the rigid body line of this invention. 本発明の剛体電車線の側面図である。It is a side view of the rigid train line of the present invention. 本発明の剛体電車線の一部の斜視図である。It is a perspective view of a part of the rigid train line of the present invention.

符号の説明Explanation of symbols

１ 剛体電車線
２ Ｔ型架台
３ イヤー
４ トロリ線
５ ボルト
６ ナット
７ フランジ
８ ウェブ
９ 挟持部
１０ 内側突条
１１ 外側突条
１２ ボルト挿通孔
１３ 挟持爪
１４ 条溝
１５ 上部突条
１６ 下部突条
１７ ボルト挿通孔
１８ 挟持爪
１９ 条溝
２０ 上部平面
２１ 上部平面 DESCRIPTION OF SYMBOLS 1 Rigid train line 2 T type mount frame 3 Ear 4 Trolley line 5 Bolt 6 Nut 7 Flange 8 Web 9 Clamping part 10 Inner protrusion 11 Outer protrusion 12 Bolt insertion hole 13 Claw claw 14 Groove 15 Upper protrusion 16 Lower protrusion 17 Bolt insertion hole 18 Claw 19 Claw groove 20 Upper plane 21 Upper plane

Claims (2)

隧道の天井に支持されるフランジとフランジの中央から垂下するウェブとを有しレールに沿って延びるＴ型架台と、このＴ型架台の、レールに沿って延びるウェブの下部一側面に沿いウェブの延長方向に所定の長さ伸びボルト・ナットによってウェブの側面に固定される長尺帯板状のイヤーと、このイヤーの下縁部と前記Ｔ型架台のウェブの下縁部に形成された挟持部との間に挟持され当該ウェブの下端に沿うように配置されるトロリ線とを具備する剛体電車線であって、
前記ウェブの挟持部は、当該ウェブの一側面から前記イヤー側へ突出してウェブの延長方向へ延びる内側突条と、ウェブの他側面から前記イヤーと反対側へ突出してウェブの延長方向へ延びる外側突条と、これら内側突条と外側突条の直上に位置してウェブを貫通するボルト挿通孔と、外側突条と内側突条の下部に形成されトロリ線の一方の条溝に嵌合するようにウェブの延長方向へ延びる挟持爪とを具備し、
前記イヤーは、上端部に位置し先端が前記ウェブの一側面に当接するように当該ウェブの一側面に向かって突出しウェブの延長方向へ伸びる上部突条と、この上部突条の下方に間隔をおいて位置しウェブの一側面に向かって上部突条より短く突出しウェブの延長方向へ伸びる下部突条と、これら上部突条と下部突条の間に位置してイヤーを貫通するボルト挿通孔と、下部突条の下方に形成されトロリ線の他方の条溝に嵌合するようにウェブの延長方向へ延びる挟持爪とを具備し、
前記Ｔ型架台の外側突条は、Ｔ型架台のボルト挿通孔に挿通されるボルトの頭部平面に当接してボルトを回り止めする上部平面を有し、
前記Ｔ型架台の内側突条は、前記イヤーの下部突条の下面を載せ受けたときにイヤーの前記ボルト挿通孔をＴ型架台の前記ボルト挿通孔に対向させると共に、イヤーの前記挟持爪をＴ型架台の前記挟持爪に対向させる上部平面を有することを特徴とする剛体電車線。 A T-shaped frame having a flange supported by the ceiling of the tunnel and a web depending from the center of the flange and extending along the rail; and a web of the T-shaped frame along a lower side surface of the web extending along the rail . A long strip plate-like ear fixed to the side of the web by a predetermined length extending bolt and nut in the extending direction, and a clamp formed at the lower edge of the ear and the lower edge of the web of the T-shaped frame A rigid train line comprising a trolley line that is sandwiched between and disposed along a lower end of the web,
Outer clamping portion of the web extending an inner projection extending into the extending direction of the web and projects from one side of the web to the ear side, projects from the other side of the web to the opposite side of the ear to the extending direction of the web A ridge, a bolt insertion hole that penetrates the web located immediately above the inner ridge and the outer ridge, and a groove formed on the outer ridge and the lower portion of the inner ridge, and fitted into one groove of the trolley wire. A holding claw that extends in the extending direction of the web ,
The ear is positioned at the upper end and protrudes toward one side of the web so that the tip abuts on one side of the web and extends in the extending direction of the web. A lower ridge that protrudes shorter than the upper ridge toward one side of the web and extends in the extending direction of the web, and a bolt insertion hole that passes between the upper ridge and the lower ridge and passes through the ear. A clamping claw that is formed below the lower protrusion and extends in the extending direction of the web so as to fit in the other groove of the trolley wire,
The outer ridge of the T-type pedestal has an upper plane that abuts against the head plane of the bolt inserted into the bolt insertion hole of the T-type pedestal and prevents the bolt from rotating,
The inner ridge of the T-shaped frame causes the bolt insertion hole of the ear to face the bolt insertion hole of the T-shaped frame when the lower surface of the lower ridge of the ear is placed and received, and A rigid train line having an upper flat surface facing the holding claws of a T-shaped frame. 前記下部突条の突出長さが、前記上部突条の突出長さより短く、前記Ｔ型架台と前記イヤーとの間に前記トロリ線を挟んでボルト・ナットで締め付けた状態で、前記上部突条の先端が前記ウェブの一側面に当接するが、下部突条の先端はウェブの一側面に当接しないことを特徴とする請求項１に記載の剛体電車線。 In the state where the protrusion length of the lower protrusion is shorter than the protrusion length of the upper protrusion, the trolley wire is sandwiched between the T-shaped frame and the ear and tightened with a bolt and a nut. The rigid train wire according to claim 1, wherein the end of the strip abuts on one side of the web, but the end of the lower ridge does not abut on one side of the web.
JP2006205294A 2006-07-27 2006-07-27 Rigid train line Expired - Fee Related JP4846479B2 (en)

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