JP2005232903A - Paving board for railroad crossing - Google Patents

Paving board for railroad crossing Download PDF

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Publication number
JP2005232903A
JP2005232903A JP2004046194A JP2004046194A JP2005232903A JP 2005232903 A JP2005232903 A JP 2005232903A JP 2004046194 A JP2004046194 A JP 2004046194A JP 2004046194 A JP2004046194 A JP 2004046194A JP 2005232903 A JP2005232903 A JP 2005232903A
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pavement
plate
track
board
side pavement
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JP4355234B2 (en
Inventor
Yuichi Hori
雄一 堀
Naoya Akimoto
直也 秋元
Kenji Sakurai
憲司 櫻井
Kenichi Watanabe
謙一 渡辺
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East Japan Railway Co
Nihon Kido Kogyo Co Ltd
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East Japan Railway Co
Nihon Kido Kogyo Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a paving board for a railroad crossing lightweight and easy for carrying it and sturdy and durable, and further, easy for its fitting operation. <P>SOLUTION: A tabular member having an appropriate thickness and formed of a foamed plastic material is wrapped up by a reinforced fiber plastic to form a paved board. A guard angle to which an extruding piece is fixed at both sides of the inner track side paving board arranged in the inside of the track and in the nearby position of the front and rear ends of the external track side paving board arranged in the outside of the track, a bolt insertion hole vertically passing through is bored. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、踏切用舗装板のうち、特に大型のトラック等が通行することがない、比較的巾狭の踏切に設置される踏切用舗装板に関するものである。   TECHNICAL FIELD The present invention relates to a level crossing pavement plate installed at a relatively narrow level crossing, where a large truck or the like does not pass among the level crossing pavement plates.

従来、踏切用舗装板においては、踏切の大小に関わらずその殆どが重量の嵩むコンクリート製のブロックを繋ぎ合わせたものを使用している。   Conventionally, as for level crossings, most of them use a combination of heavy concrete blocks regardless of the size of the level crossings.

特公平８−２３１２２号公報Japanese Patent Publication No. 8-23122 特許第２８８７７２０号公報Japanese Patent No. 2887720

従って、踏切内の軌道を補修作業する場合、その重量の嵩むコンクリート製のブロックを一々取外して行わなければならないため、多くの人員を必要とし、且つ復旧作業まで長時間を要し、その間交通を遮断しなければならないと云う問題がある。   Therefore, when repairing the track in a railroad crossing, it is necessary to remove the heavy concrete blocks one by one, which requires a lot of personnel and takes a long time until the restoration work. There is a problem that it must be blocked.

そこで本発明は、前記従来の問題点に鑑みて為されたものであって、軽量でありながら耐久性があり、且つ、取付け作業が簡単で、撤去作業、復旧作業が短時間で行える踏切用舗装板を提供することを目的とする。   Accordingly, the present invention has been made in view of the above-described conventional problems, and is for a railroad crossing that is lightweight yet durable, can be easily attached, and can be removed and restored in a short time. The purpose is to provide paving boards.

そのために本発明者等は、強度及び電気絶縁性に優れ、且つ成形が容易な強化繊維プラスチック（以下、ＦＲＰと略称する。）に着目し、該ＦＲＰと発泡プラスチックを組合せることにより、軽量で、且つ強固な踏切用舗装板を提供するようにしたもので、発泡プラスチックにより形成された適宜な板厚を有する板材を、ＦＲＰで包み込んで舗装板を形成すると共に、軌道の内側に配設する内軌側舗装板の両側に押片を固着したガードアングルを取付け、軌道の外側に配設する外軌側舗装板の前後端近傍に、上下方向に貫通するボルト挿通孔を穿設したことを特徴とする。   Therefore, the present inventors have focused on a reinforced fiber plastic (hereinafter abbreviated as FRP) that is excellent in strength and electrical insulation and that can be easily molded. In addition, a strong pavement board for level crossings is provided, and a plate material having an appropriate plate thickness formed of foamed plastic is wrapped with FRP to form a pavement board and disposed inside the track. A guard angle with pressing pieces fixed on both sides of the inner gauge side pavement board was attached, and bolt insertion holes that penetrated in the vertical direction were drilled near the front and rear ends of the outer gauge side pavement board arranged outside the track. Features.

以上述べたように本発明の請求項１によれば、発泡プラスチックにより形成された適宜な板厚を有する板材を、強化繊維プラスチック材で包み込んで舗装板を形成すると共に、軌道の内側に配設する内軌側舗装板の両側に押片を固着したガードアングルを取付け、軌道の外側に配設する外軌側舗装板の前後端近傍に、上下方向に貫通するボルト挿通孔を穿設したので、構造簡単にして安価に提供することが出来、しかも軽量で持ち運びが容易であるばかりではなく、耐腐蝕性に優れているため繰り返しの使用が可能であり、且つ小型車両の荷重に充分耐えることが出来る強固な舗装板を提供することが出来た。   As described above, according to the first aspect of the present invention, a plate material having an appropriate plate thickness formed of foamed plastic is wrapped with a reinforced fiber plastic material to form a pavement plate and disposed inside the track. Because the guard angle with the pressing pieces fixed on both sides of the inner gauge side pavement plate is installed, and the bolt insertion holes that penetrate in the vertical direction are drilled near the front and rear ends of the outer gauge side pavement plate arranged outside the track The structure is simple and can be provided at low cost, and it is not only lightweight and easy to carry, but also has excellent corrosion resistance, so it can be used repeatedly and withstands the load of small vehicles. We were able to provide a strong paving board that can be used.

又、組付け及び取外しが容易で、短時間で作業をすることができるため、路盤の補修に際しても、該舗装板を簡単に撤去及び復旧作業が行えるため、交通の遮断時間を短縮させることが出来、更には、作業人員も少なくて済むため、人件費を削減することが出来た。   In addition, because it is easy to assemble and remove and can be worked in a short time, the pavement plate can be easily removed and restored when repairing the roadbed. In addition, the labor cost can be reduced because fewer workers are required.

又、請求項２によれば、内軌側舗装板の下面前後端近傍に、前記連結部材に当接する移動止片を突設したので、内軌側舗装板の左右方向のずれを確実に防止することができる。   According to the second aspect of the present invention, since the movement stop piece that contacts the connecting member is provided in the vicinity of the front and rear ends of the lower surface of the inner gauge side pavement plate, it is possible to reliably prevent the lateral shift of the inner track side pavement plate. can do.

又、請求項３によれば、ガードアングルを取付ける取付ボルトを挿通する内軌側舗装板の四隅下面に凹部を形成したので、取付ボルトの先端が内軌側舗装板の該凹部内に収納され、下面より突出することがないので、該取付ボルトの先端が枕木に当接することがない。従って、内軌側舗装板を安定して設置することができる。   According to the third aspect of the present invention, since the recesses are formed on the bottom surfaces of the four corners of the inner gauge side pavement plate through which the mounting bolts for attaching the guard angle are inserted, the tips of the installation bolts are accommodated in the recesses of the inner gauge side pavement plate. Since it does not protrude from the lower surface, the tip of the mounting bolt does not contact the sleeper. Therefore, the inner rail side pavement plate can be stably installed.

更に、請求項４によれば、ガードアングルを内軌側舗装板に取付ける取付ボルトの先端に割ピンを挿入したので、取付ボルトの先端に螺合したナットの列車走行振動等によって生ずる緩みによる脱落を防止することができる。   Further, according to claim 4, since the split pin is inserted at the tip of the mounting bolt for attaching the guard angle to the inner rail side pavement plate, the nut that is screwed to the tip of the mounting bolt is dropped due to loosening caused by train running vibration or the like. Can be prevented.

以下、本発明の実施の形態を図面に従って詳細に説明する。
図３は本発明による踏切用舗装板の設置状態を示す要部の拡大縦断正面図で、１は軌道を構成する２条のレールＲ，Ｒ間に配設される内軌側舗装板、２，２はレールＲ，Ｒの外側に配設される外軌側舗装板であって、発泡プラスチックの１つである発泡ポリプロピレンによって形成された板材１０１，２０１，２０１と該板材１０１，２０１，２０１を包み込んだ薄板状のＦＲＰ１０２，２０２，２０２によって構成されている。該ＦＲＰ１０２，２０２，２０２の板厚は、３ｍｍ乃至７ｍｍ程度が好ましいが、強度及び加工作業の容易性を考慮すれば５ｍｍ程度が最も好ましい。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 3 is an enlarged longitudinal sectional front view of a main part showing an installed state of a level crossing pavement plate according to the present invention. Reference numeral 1 denotes an inner track side pavement plate disposed between two rails R, R constituting the track, , 2 are outer rail side pavement plates disposed outside the rails R, R, and are made of foamed polypropylene, which is one of foamed plastics, and the plate materials 101, 201, 201. Are formed by thin plate-like FRPs 102, 202, 202. The plate thickness of the FRPs 102, 202, 202 is preferably about 3 mm to 7 mm, but about 5 mm is most preferable in consideration of strength and ease of processing work.

前記板材１０１，２０１，２０１の板厚は、内軌側舗装板１と外軌側舗装板２，２をそれぞれレールＲ，Ｒを締結する枕木Ｍ上に載置したとき、その上面がレールＲ，Ｒの踏面と同一平面になるように形成されている。又、内軌側舗装板１の巾は、レールＲ，Ｒと該内軌側舗装板１との間に列車の車輪のフランジ（図示せず）が通過するに足りる隙間、所謂フランジウエイＬ，Ｌが形成されるような巾に形成されている。
内軌側舗装板１と外軌側舗装板２の長さは敷設する踏切の巾に応じて適宜に設定することが可能であるが、実施例では大型のトラックが通らない比較的巾狭の踏切に対応するものを想定しており、その長さを２ｍとした。尚、該内軌側舗装板１と外軌側舗装板２の長さを規格化することにより、生産性を向上させることが出来るため推奨される。 The plate thicknesses of the plate members 101, 201, 201 are such that when the inner track side pavement plate 1 and the outer track side pavement plates 2, 2 are placed on the sleepers M that fasten the rails R, R respectively, the upper surface of the plate members 101, 201, 201 , R so as to be flush with the tread surface. Further, the width of the inner gauge side pavement plate 1 is such that a gap sufficient for a train wheel flange (not shown) to pass between the rails R, R and the inner gauge side pavement plate 1, so-called flange way L, The width is such that L is formed.
The lengths of the inner gauge side pavement board 1 and the outer gauge side pavement board 2 can be appropriately set according to the width of the railroad crossing to be laid. However, in the embodiment, the length is relatively narrow so that a large truck cannot pass. It is assumed that it corresponds to a level crossing, and its length is 2 m. In addition, since productivity can be improved by normalizing the length of this inner gauge side pavement board 1 and the outer gauge side pavement board 2, it is recommended.

前記、内軌側舗装板１の両側には、鉤型をなすガードアングル３，３が取付ボルト１１によって取付けられている。該ガードアングル３，３にはＬ字状をなし、その垂直部が内軌側舗装板１の側面に当接する押片４，４が固着されている。又、外軌側舗装板２の前後端近傍には、それぞれ上下方向に貫通するボルト挿通孔２０３，２０３，…が穿設されている。内軌側舗装板１の側縁に係合段部１０３，１０３を形成することにより、内軌側舗装板１の上面とガードアングル３の水平部３０１上面とが同一平面となるため推奨される。
尚、図示はしないが、前記内軌側舗装板１と外軌側舗装板２の上面には、滑止めの為の砂撒き加工が施されている。該砂撒き加工は外軌側舗装板２の外側側面にも施すことにより、該外側側面と接合する道路の舗装端部との密着性を向上させることが出来るため推奨される。 On both sides of the inner gauge side pavement plate 1, guard angles 3 and 3 having a bowl shape are attached by attachment bolts 11. The guard angles 3 and 3 are L-shaped, and the pressing pieces 4 and 4 whose vertical portions are in contact with the side surfaces of the inner gauge side pavement plate 1 are fixed. Further, bolt insertion holes 203, 203,... Penetrating in the vertical direction are formed in the vicinity of the front and rear ends of the outer rail side pavement plate 2, respectively. It is recommended that the upper surface of the inner rail side pavement plate 1 and the upper surface of the horizontal portion 301 of the guard angle 3 be flush with each other by forming the engagement step portions 103 and 103 at the side edges of the inner rail side pavement plate 1. .
Although not shown, the upper surface of the inner gauge side pavement plate 1 and the outer gauge side pavement plate 2 is subjected to sanding for slip prevention. The sanding process is also recommended because it can be applied to the outer side surface of the outer gauge side pavement plate 2 to improve the adhesion between the outer side surface and the pavement end of the road.

ガードアングル３を取付ける取付ボルト１１を挿通する内軌側舗装板１の四隅下面に凹部１０４，１０４，…が形成されており、取付ボルト１１の先端（下端）が内軌側舗装板１の下面より突出しないようになされている。（図５参照）   Recesses 104, 104,... Are formed on the bottom surfaces of the four corners of the inner gauge pavement plate 1 through which the mounting bolts 11 for attaching the guard angle 3 are inserted, and the tips (lower ends) of the mounting bolts 11 are the lower surfaces of the inner gauge pavement plate 1. It is designed not to protrude more. (See Figure 5)

前記取付ボルト１１の先端（下端）には割ピン１２が挿入され、該取付ボルト１１の先端に螺合したナット１３の緩みによる脱落を防止するようになされている。（図５参照）   A split pin 12 is inserted into the tip (lower end) of the mounting bolt 11 to prevent the nut 13 screwed into the tip of the mounting bolt 11 from falling off due to looseness. (See Figure 5)

次に、前記舗装板の設置手順について説明する。
予め軌道パッド（図示せず）を枕木Ｍ上に設置しておき、且つレールＲ，Ｒの底部に絶縁材５を介して連結部材６，６を取付けておく。次に、外軌側舗装板２，２をレールＲ，Ｒの外側に配設し、前記ボルト挿通孔２０３，２０３にＴボルト７，７を挿入し、その先端の係止部７１，７１を連結部材６，６に穿設した開口部が長孔状に形成された挿通孔６１，６１の天井部に係止させ、上端の螺子部７２，７２にナット１４を螺合して固定する。 Next, the installation procedure of the pavement board will be described.
A track pad (not shown) is previously set on the sleeper M, and the connecting members 6 and 6 are attached to the bottoms of the rails R and R via the insulating material 5. Next, the outer rail side pavement plates 2 and 2 are disposed outside the rails R and R, the T bolts 7 and 7 are inserted into the bolt insertion holes 203 and 203, and the locking portions 71 and 71 at the tips thereof are inserted. The openings formed in the connecting members 6 and 6 are engaged with the ceiling portions of the insertion holes 61 and 61 formed in a long hole shape, and the nut 14 is screwed and fixed to the screw portions 72 and 72 at the upper end.

尚、前記ボルト挿通孔２０３，２０３の上端開口部２０４，２０４を大径とし、Ｔボルト７，７の螺子部７２，７２を該上端開口部２０４，２０４内に収納させることは推奨される。又、該上端開口部２０４，２０４にキャップ８を被せることは該上端開口部２０４，２０４内に埃の侵入を防ぐことが出来るため好ましい。又、Ｔボルト７，７にリング１５及び硬質の塩化ビニール管１６を嵌合させることは、ボルト挿通孔２０３，２０３との隙間をなくし、ガタツキを防止することが出来るため、推奨される。
更には、外軌側舗装板２，２と連結部材７，７との間にパッド９を介在させることは推奨される。内軌側舗装板１の下面前後端近傍の両側に、前記連結部材６，６の側面６２，６２に当接する移動止片１０，１０を突設し該内軌側舗装板１の左右方向のずれを防止するようにすることも推奨される。 It is recommended that the upper end openings 204 and 204 of the bolt insertion holes 203 and 203 have a large diameter and the screw parts 72 and 72 of the T bolts 7 and 7 are accommodated in the upper end openings 204 and 204. Further, it is preferable to cover the upper end openings 204 and 204 with the cap 8 because dust can be prevented from entering the upper end openings 204 and 204. Further, fitting the ring 15 and the hard vinyl chloride pipe 16 to the T bolts 7 and 7 is recommended because it eliminates the gap between the bolt insertion holes 203 and 203 and prevents rattling.
Furthermore, it is recommended that the pad 9 be interposed between the outer rail side pavement plates 2 and 2 and the connecting members 7 and 7. Movement stop pieces 10 and 10 that contact the side surfaces 62 and 62 of the connecting members 6 and 6 are provided on both sides in the vicinity of the front and rear ends of the lower surface of the inner rail side pavement plate 1 to project the inner rail side pavement plate 1 in the left-right direction. It is also recommended to prevent slippage.

次に、内軌側舗装板1を、フランジウエイＬ，Ｌが形成されるようにレールＲ，Ｒ間の中央に配設し、予め上端にガードアングル３，３に固着した押片４，４をボルト２０，２０で連結部材６，６に固定し、内軌側舗装板１を挟持するようにして取付ける。然る後、必要に応じて前記フランジウエイＬ，Ｌにゴムシュート３０，３０を嵌め込む。該ゴムシュート３０，３０を嵌込むことにより、該踏切を通行する自転車、車椅子等の車輪の落込みを防止することができる。
尚、前記ボルト２０の先端（上端）にばねナット２１を嵌込み、該ボルト２０の先端に螺合したナット２２の緩みを防止するようにすることは推奨される。 Next, the inner rail side pavement plate 1 is disposed in the center between the rails R and R so that the flange ways L and L are formed, and the pressing pieces 4 and 4 fixed to the guard angles 3 and 3 at the upper ends in advance. Are fixed to the connecting members 6 and 6 with bolts 20 and 20, and the inner rail side pavement plate 1 is clamped and attached. Thereafter, the rubber chutes 30 and 30 are fitted into the flange ways L and L as necessary. By fitting the rubber chutes 30, 30, it is possible to prevent a wheel such as a bicycle or a wheelchair that passes through the railroad crossing from dropping.
It is recommended that a spring nut 21 is fitted at the tip (upper end) of the bolt 20 to prevent the nut 22 screwed into the bolt 20 from loosening.

本発明による舗装板を設置した踏切の全体斜視図Overall perspective view of a level crossing provided with a paving board according to the present invention 同上の縦断正面図Longitudinal front view 図１のＡ−Ａ線拡大縦断正面図AA line enlarged vertical front view of FIG. 同上の拡大縦断斜視図Expanded vertical perspective view 図１のＢ−Ｂ線拡大縦断正面図BB line enlarged vertical front view of FIG.

符号の説明Explanation of symbols

１ 内軌側舗装板
１０１ 板材
１０２ ＦＲＰ
１０４ 凹部
２ 外軌側舗装板
２０１ 板材
２０２ ＦＲＰ
２０３ ボルト挿通孔
３ ガードアングル
４ 押片
５ 絶縁材
６ 連結部材
７ ボルト
８ キャップ
９ パッド
１０ 移動止片
１１ 取付ボルト
１２ 割ピン
２０ ボルト
２１ ばねナット
３０ ゴムシュート
Ｒ レール 1 Inner gauge side pavement board 101 Board material 102 FRP
104 Concavity 2 Pavement board on outer track side 201 Plate material 202 FRP
203 Bolt insertion hole 3 Guard angle 4 Pushing piece 5 Insulating material 6 Connecting member 7 Bolt 8 Cap 9 Pad 10 Moving stop piece 11 Mounting bolt 12 Split pin 20 Bolt 21 Spring nut 30 Rubber chute R rail

Claims (4)

発泡プラスチックにより形成された適宜な板厚を有する板材を、強化繊維プラスチック材で包み込んで舗装板を形成すると共に、軌道の内側に配設する内軌側舗装板の両側に押片を固着したガードアングルを取付け、軌道の外側に配設する外軌側舗装板の前後端近傍に、上下方向に貫通するボルト挿通孔を穿設したことを特徴とする踏切用舗装板。 A guard formed by wrapping a plate material made of foamed plastic with an appropriate plate thickness with a reinforced fiber plastic material to form a pavement plate, and with pressing pieces fixed to both sides of the inner track side pavement plate arranged inside the track. A paving board for level crossings, wherein an angle is attached and a bolt insertion hole penetrating in the vertical direction is formed in the vicinity of the front and rear ends of the outer gauge side pavement board disposed outside the track. 内軌側舗装板の下面前後端近傍に、前記連結部材に当接する移動止片を突設したことを特徴とする請求項１に記載の踏切舗装板。 The level crossing pavement board according to claim 1, wherein a movement stop piece that abuts on the connecting member is provided in the vicinity of the front and rear ends of the lower surface of the inner rail side pavement board. ガードアングルを取付ける取付ボルトを挿通する内軌側舗装板の四隅下面に凹部を形成したことを特徴とする請求項１に記載の踏切舗装板。 The railroad crossing pavement according to claim 1, wherein recesses are formed on the lower surfaces of the four corners of the inner rail side pavement through which a mounting bolt for attaching the guard angle is inserted. ガードアングルを内軌側舗装板に取付ける取付ボルトの先端に割ピンを挿入したことを特徴とする請求項１に記載の踏切舗装板。 The level crossing pavement plate according to claim 1, wherein a split pin is inserted at a tip of a mounting bolt for attaching the guard angle to the inner rail side pavement plate.
JP2004046194A 2004-02-23 2004-02-23 Level crossing pavement board and level crossing pavement structure Expired - Fee Related JP4355234B2 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143781A1 (en) * 2006-06-13 2007-12-21 Newstyle Nominees Pty Ltd Rail track crossing
JP2014502683A (en) * 2011-01-17 2014-02-03 グミュンドネル ファーチクタイル ゲゼルシャフト ミット ベシュレンクテル ハフトング ウント ツェーオー． カーゲー． line
JP2018188881A (en) * 2017-05-09 2018-11-29 サコス株式会社 Crossing mat

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200475847Y1 (en) * 2013-11-12 2015-01-06 주석범 Blocking Apparatus for Crossing Railway

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007143781A1 (en) * 2006-06-13 2007-12-21 Newstyle Nominees Pty Ltd Rail track crossing
US7988066B2 (en) 2006-06-13 2011-08-02 Newstyle Nominees Pty Ltd Rail track crossing
JP2014502683A (en) * 2011-01-17 2014-02-03 グミュンドネル ファーチクタイル ゲゼルシャフト ミット ベシュレンクテル ハフトング ウント ツェーオー． カーゲー． line
JP2017053210A (en) * 2011-01-17 2017-03-16 グミュンドネル ファーチクタイル ゲゼルシャフト ミット ベシュレンクテル ハフトング ウント ツェーオー． カーゲー．Ｇｍｕｎｄｎｅｒ Ｆｅｒｔｉｇｔｅｉｌｅ Ｇｅｓｅｌｌｓｃｈａｆｔ Ｍ．Ｂ．Ｈ． ＆ Ｃｏ． Ｋｇ． Roadway
JP2018188881A (en) * 2017-05-09 2018-11-29 サコス株式会社 Crossing mat

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