JP4526446B2 - Adhesive insulation rail joint structure and manufacturing method thereof - Google Patents

Adhesive insulation rail joint structure and manufacturing method thereof Download PDF

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JP4526446B2
JP4526446B2 JP2005177392A JP2005177392A JP4526446B2 JP 4526446 B2 JP4526446 B2 JP 4526446B2 JP 2005177392 A JP2005177392 A JP 2005177392A JP 2005177392 A JP2005177392 A JP 2005177392A JP 4526446 B2 JP4526446 B2 JP 4526446B2
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rail
adhesive
joint
insulating
tube
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JP2006348631A (en
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修 若月
則次 阿部
宏夫 片岡
孝 大塚
浩一 小佐野
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Railway Technical Research Institute
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Description

この発明は、レールの継目部分の両側に継目板を絶縁性の接着材によって接着し、この継目部分を電気的に絶縁し接続する接着絶縁レールの継目構造とその製造方法に関する。   The present invention relates to a joint structure of an adhesively insulated rail in which a joint plate is bonded to both sides of a joint portion of a rail with an insulating adhesive, and the joint portion is electrically insulated and connected, and a manufacturing method thereof.

図７は、従来の接着絶縁レールの継目構造の断面図である。
図７に示す車輪Ｗは、レール１０２と回転接触する鉄道用部材であり、レール１０２のレール頭部１０２ａと接触して摩擦抵抗を受ける踏面Ｗ1と、脱輪を防止するために車輪Ｗの外周に連続して形成されたフランジ面Ｗ2とを備えている。従来の接着絶縁レールの継目構造１０１は、図７に示すようにレール１０２の継目部分の両側に継目板１０４，１０５を接着して、この継目部分を電気的に絶縁し接続している（例えば、特許文献１参照）。このような従来の継目構造１０１では、図７に示すように、レール１０２の腹部側面１０２ｇに絶縁性の接着材１１１によって継目板１０４，１０５が接着されており、レール１０２及び継目板１０４，１０５の貫通孔１０２ｄ，１０４ａ，１０５ａに絶縁性のチューブ１０６を挿入するとともにこのチューブ１０６に継目板ボルト１０７を挿入し平座金１０９を装着してナット１０８で締結し組み立てられる。 FIG. 7 is a cross-sectional view of a joint structure of a conventional adhesive insulating rail.
The wheel W shown in FIG. 7 is a railway member that is in rotational contact with the rail 102, a tread surface W 1 that is in contact with the rail head portion 102 a of the rail 102 and receives frictional resistance, and a wheel W to prevent wheel removal. And a flange surface W 2 formed continuously on the outer periphery. As shown in FIG. 7, in the conventional bonded insulation rail joint structure 101, joint plates 104 and 105 are bonded to both sides of the joint portion of the rail 102, and the joint portions are electrically insulated and connected (for example, , See Patent Document 1). In such a conventional joint structure 101, as shown in FIG. 7, the joint plates 104 and 105 are bonded to the abdomen side surface 102g of the rail 102 by the insulating adhesive 111, and the rail 102 and the joint plates 104 and 105 are bonded. The insulating tube 106 is inserted into the through holes 102d, 104a, and 105a, the joint plate bolt 107 is inserted into the tube 106, the plain washer 109 is mounted, and the nut 108 is fastened and assembled.

特開平9-111702号公報Japanese Unexamined Patent Publication No. 9-111702

このような従来の継目構造１０１では、図７に示すように、レール１０２と継目板１０４，１０５との間は接着材１１１によって絶縁されており、レール１０２と継目板ボルト１０７との間もチューブ１０６によって絶縁されている。しかし、このような従来の継目構造１０１では、貫通孔１０２ｄ，１０４ａ，１０５ａの内周面に導電性の酸化鉄（マグネタイト(黒錆))が生成され、レール１０２と継目板ボルト１０７との間の絶縁不良が発生する問題点がある。また、このような従来の継目構造１０１では、絶縁不良の発生箇所が貫通孔１０２ｄ，１０４ａ，１０５ａの内周面であるため、外部から確認することができない問題点がある。   In such a conventional joint structure 101, as shown in FIG. 7, the rail 102 and the joint plates 104, 105 are insulated by the adhesive 111, and the rail 102 and the joint plate bolt 107 are also tubed. Insulated by 106. However, in such a conventional joint structure 101, conductive iron oxide (magnetite (black rust)) is generated on the inner peripheral surfaces of the through holes 102 d, 104 a, and 105 a, and between the rail 102 and the joint plate bolt 107. There is a problem in that insulation failure occurs. In addition, such a conventional joint structure 101 has a problem that it cannot be confirmed from the outside because the location where the insulation failure occurs is the inner peripheral surface of the through holes 102d, 104a, and 105a.

この発明の課題は、簡単な作業によって低コストで絶縁不良の発生を防止することができる接着絶縁レールの継目構造とその製造方法を提供することである。   An object of the present invention is to provide a joint structure of an adhesively insulated rail and a method of manufacturing the same that can prevent the occurrence of insulation failure at a low cost by a simple operation.

この発明は、以下に記載するような解決手段により、前記課題を解決する。
なお、この発明の実施形態に対応する符号を付して説明するが、この実施形態に限定するものではない。
請求項１の発明は、レール（２，３）の継目部分の両側に継目板（４，５）を絶縁性の接着材（１１）によって接着して、この継目部分を電気的に絶縁し接続する接着絶縁レールの継目構造であって、前記接着材は、前記レールと前記継目板との間に成形用中間素材である接着シート（１１ａ）を挟み込み加熱硬化させて形成されており、前記レール及び前記継目板に形成された貫通孔（２ｄ，３ｄ，４ａ，５ａ）とこの貫通孔に挿入されるチューブ（６）との間の隙間に絶縁性樹脂（１３）が充填されており、前記絶縁性樹脂は、前記継目板の外側から充填されるコーキング材であることを特徴とする接着絶縁レールの継目構造（１）である。 The present invention solves the above-mentioned problems by the solving means described below.
In addition, although the code | symbol corresponding to embodiment of this invention is attached | subjected and demonstrated, it is not limited to this embodiment.
According to the first aspect of the present invention, a joint plate (4, 5) is bonded to both sides of the joint portion of the rail (2, 3) by an insulating adhesive (11), and the joint portion is electrically insulated and connected. The adhesive insulating rail joint structure is formed by sandwiching an adhesive sheet (11a), which is a molding intermediate material, between the rail and the joint plate and heat-curing the rail. And a gap between the through hole (2d, 3d, 4a, 5a) formed in the joint plate and the tube (6) inserted into the through hole is filled with an insulating resin (13), The insulating resin is a joint structure (1) of an adhesive insulating rail, wherein the insulating resin is a caulking material filled from the outside of the joint plate .

請求項２の発明は、レール（２，３）の継目部分の両側に継目板（４，５）を絶縁性の接着材（１１）によって接着して、この継目部分を電気的に絶縁し接続する接着絶縁レールの製造方法であって、前記レールと前記継目板との間に成形用中間素材である接着シート（１１ａ）を挟み込み加熱硬化させて、このレールとこの継目板とを接着する接着工程（＃１５０）と、前記レール及び前記継目板に形成された貫通孔（２ｄ，３ｄ，４ａ，５ａ）とこの貫通孔に挿入されるチューブ（６）との間の隙間に絶縁性樹脂（１２）を充填する充填工程（＃１７０）とを含み、前記充填工程は、前記貫通孔と前記チューブとの間の隙間に前記継目板の外側からコーキング材を充填する工程であることを特徴とする接着絶縁レールの製造方法（＃１００）である。 According to the invention of claim 2, the joint plates (4, 5) are bonded to both sides of the joint portion of the rail (2, 3) by an insulating adhesive (11), and the joint portion is electrically insulated and connected. A method for manufacturing an adhesive insulated rail, in which an adhesive sheet (11a), which is an intermediate material for molding, is sandwiched between the rail and the joint plate, and is cured by heating to bond the rail and the joint plate. Insulating resin (in the gap between the step (# 150) and the through hole (2d, 3d, 4a, 5a) formed in the rail and the joint plate and the tube (6) inserted into the through hole. and a filling step of filling (# 170) 12), wherein the filling step includes a feature that it is a step of filling a caulking material from the outside of the joint plate in the gap between said through-hole tube Manufacturing method (# 10) ) It is.

この発明によると、簡単な作業によって低コストで絶縁不良の発生を防止することができる。   According to the present invention, it is possible to prevent the occurrence of defective insulation at a low cost by a simple operation.

（第１実施形態）
以下、図面を参照して、この発明の第１実施形態について詳しく説明する。
図１は、この発明の第１実施形態に係る接着絶縁レールの継目構造の外観図であり、図１（Ａ）は平面図であり、図１（Ｂ）は側面図である。図２は、図１のII-II線で切断した状態を示す断面図である。図３は、図２のIII部分を拡大して示す断面図であり、図３（Ａ）は接着前の状態の断面図であり、図３（Ｂ）は接着後の状態を示す断面図である。 (First embodiment)
Hereinafter, a first embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 is an external view of a joint structure of an adhesive insulating rail according to a first embodiment of the present invention, FIG. 1 (A) is a plan view, and FIG. 1 (B) is a side view. FIG. 2 is a cross-sectional view showing a state cut along line II-II in FIG. 3 is an enlarged cross-sectional view showing a portion III in FIG. 2, FIG. 3 (A) is a cross-sectional view before bonding, and FIG. 3 (B) is a cross-sectional view showing the state after bonding. is there.

図１及び図２に示す継目構造１は、レール２，３の継目部分の両側に継目板４，５を絶縁性の接着材１１によって接着して、この継目部分を電気的に絶縁し接続する接着絶縁継目構造である。継目構造１は、例えば、列車の有無を検知する信号設備の一部である軌道回路としてレール２，３が使用されているときに、隣接する軌道回路との境界に設置されレール２，３を電気的に絶縁する。継目構造１は、軌道構造上の弱点箇所である絶縁継目を強化するために、レール２，３と継目板４，５とを強力な接着材１１によって一体化している。継目構造１は、図１及び図２に示すように、レール２，３と、継目板４，５と、チューブ６と、継目板ボルト７と、ナット８と、平座金９と、レール形１０と、接着材１１，１２などを備えている。継目構造１は、図１（Ａ）に示すように、境界線Ｌによって電気的に絶縁されている。   The seam structure 1 shown in FIGS. 1 and 2 is formed by bonding the seam plates 4 and 5 to both sides of the joints of the rails 2 and 3 with an insulating adhesive 11 to electrically insulate and connect the joints. Adhesive insulation seam structure. For example, when the rails 2 and 3 are used as a track circuit that is a part of signal equipment for detecting the presence or absence of a train, the joint structure 1 is installed at a boundary with an adjacent track circuit. Insulate electrically. In the seam structure 1, the rails 2 and 3 and the seam plates 4 and 5 are integrated with a strong adhesive 11 in order to reinforce an insulation seam, which is a weak spot on the track structure. As shown in FIGS. 1 and 2, the joint structure 1 includes rails 2 and 3, joint plates 4 and 5, a tube 6, a joint plate bolt 7, a nut 8, a plain washer 9, and a rail shape 10. And adhesives 11 and 12 are provided. The seam structure 1 is electrically insulated by a boundary line L as shown in FIG.

図１及び図２に示すレール２，３は、車輪Ｗを案内する鉄道用部材である。レール２，３は、いずれも端部が直角に切断されており、突き合わせたレール２とレール３との間に絶縁材を挿入し、レール２，３と継目板４，５とを絶縁性の接着材１１によって結合した接着絶縁レールである。レール２，３は、いずれも同一構造であり、以下ではレール２側を中心に説明し、レール３側の部分のうちレール２側と対応する部分については、対応する符号を付して詳細な説明を省略する。レール２は、図２に示すように、レール頭部２ａと、レール底部２ｂと、レール腹部２ｃと、貫通孔２ｄなどを備えている。   Rails 2 and 3 shown in FIGS. 1 and 2 are members for railways that guide wheels W. Each of the rails 2 and 3 is cut at a right angle, and an insulating material is inserted between the rail 2 and the rail 3 which are abutted, and the rails 2 and 3 and the joint plates 4 and 5 are insulated. It is an adhesive insulating rail joined by an adhesive material 11. Each of the rails 2 and 3 has the same structure, and the following description will focus on the rail 2 side. Of the portions on the rail 3 side, the portions corresponding to the rail 2 side will be denoted by the corresponding reference numerals and detailed. Description is omitted. As shown in FIG. 2, the rail 2 includes a rail head 2a, a rail bottom 2b, a rail abdomen 2c, a through hole 2d, and the like.

図２に示すレール頭部２ａは、車輪Ｗと接触する部分であり、車輪Ｗを直接支持する頭頂面（頭部上面）２ｅなどを備えている。レール底部２ｂは、まくらぎ又は軌道スラブなどの支持体上に設置される部分であり、レール締結装置の締結ばねによって押さえ付けられる底部上面２ｆなどを備えている。レール腹部２ｃは、レール頭部２ａに作用する輪重及び押圧をレール底部２ｂに伝達するように、レール頭部２ａとレール底部２ｂとを繋ぐ部分であり、継目板４，５が接着される腹部側面２ｇなどを備えている。貫通孔２ｄは、チューブ６が貫通する孔であり、レール２の長さ方向に沿ってレール腹部２ｃに間隔をあけて形成されている。   A rail head portion 2a shown in FIG. 2 is a portion in contact with the wheel W, and includes a top surface (head upper surface) 2e that directly supports the wheel W. The rail bottom portion 2b is a portion installed on a support such as a sleeper or a track slab, and includes a bottom top surface 2f that is pressed down by a fastening spring of a rail fastening device. The rail abdomen 2c is a part that connects the rail head 2a and the rail bottom 2b so as to transmit the wheel load and press acting on the rail head 2a to the rail bottom 2b, and the joint plates 4 and 5 are bonded to each other. An abdominal side surface 2g and the like are provided. The through-hole 2d is a hole through which the tube 6 passes, and is formed in the rail abdomen 2c with a space along the length direction of the rail 2.

図１及び図２に示す継目板４，５は、レール２，３の継目部分におけるレール腹部２ｃの両側面に継目板ボルト７によって固定されてレール２，３を接続する継目板である。継目板４，５には、長さ方向に所定の間隔をあけて図２に示す貫通孔４ａ，５ａが形成されている。継目板４，５は、鍛造、熱間押出し加工又は機械加工によって所定の寸法及び形状に製作され、焼入れ及び焼もどしの熱処理がされている。   The seam plates 4 and 5 shown in FIGS. 1 and 2 are seam plates that are fixed to both side surfaces of the rail abdomen 2c at the joints of the rails 2 and 3 by the joint plate bolts 7 and connect the rails 2 and 3 to each other. 2 are formed in the joint plates 4 and 5 at predetermined intervals in the length direction. The joint plates 4 and 5 are manufactured to a predetermined size and shape by forging, hot extrusion or machining, and are subjected to quenching and tempering heat treatment.

図２に示すチューブ６は、レール２，３の貫通孔２ｄ，３ｄ及び継目板４，５の貫通孔４ａ，５ａに挿入される部材である。チューブ６は、レール２，３、継目板４，５及び継目板ボルト７を絶縁する筒状の絶縁材である。チューブ６は、例えば、プラスチックなどの合成樹脂によって成形されている。   The tube 6 shown in FIG. 2 is a member inserted into the through holes 2d and 3d of the rails 2 and 3 and the through holes 4a and 5a of the joint plates 4 and 5. The tube 6 is a cylindrical insulating material that insulates the rails 2 and 3, the joint plates 4 and 5, and the joint plate bolt 7. The tube 6 is formed of a synthetic resin such as plastic, for example.

図１及び図２に示す継目板ボルト７は、レール２，３と継目板４，５とを締結するためのボルトであり、図２に示すようにチューブ６に挿入される。図１及び図２に示すナット８は、継目板ボルト７に装着される部材であり、継目板ボルト７の雄ねじ部と噛み合う雌ねじ部が形成されている。図２に示す平座金９は、継目板４，５とナット８との間に挿入される部材であり、車輪Ｗが通過するときに発生する衝撃による継目板ボルト７及びナット８の緩みを防止する。   The joint plate bolt 7 shown in FIGS. 1 and 2 is a bolt for fastening the rails 2 and 3 and the joint plates 4 and 5, and is inserted into the tube 6 as shown in FIG. 2. The nut 8 shown in FIGS. 1 and 2 is a member that is attached to the joint plate bolt 7, and has a female screw portion that meshes with the male screw portion of the joint plate bolt 7. The flat washer 9 shown in FIG. 2 is a member inserted between the joint plates 4 and 5 and the nut 8 and prevents loosening of the joint plate bolt 7 and the nut 8 due to an impact generated when the wheel W passes. To do.

レール形１０は、継目部分の前後のレール２とレール３との間の隙間に挿入してこれらのレール２，３間を絶縁する絶縁材である。レール形１０は、図１に示すレール２，３の断面形状とほぼ同一であり、図１に示すレール２とレール３との突き合わせ部の隙間に挿入可能なように薄板状に形成されている。   The rail shape 10 is an insulating material that is inserted into a gap between the rail 2 and the rail 3 before and after the joint portion to insulate the rails 2 and 3 from each other. The rail shape 10 is substantially the same as the cross-sectional shape of the rails 2 and 3 shown in FIG. 1, and is formed in a thin plate shape so that it can be inserted into the gap between the butted portions of the rail 2 and the rail 3 shown in FIG. .

図２及び図３（Ｂ）に示す接着材１１は、レール２，３と継目板４，５とを接着する部材であり、レール２，３と継目板４，５との間に挟み込まれこれらを接合する。接着材１１は、例えば、ガラスペーパーの不織布に樹脂を含浸させた成形用中間素材（プリプレグ）の接着シート１１ａを複数積層し、図３に示すようにこれらの接着シート１１ａを加熱硬化させて複合材料化されている。接着シート１１ａには、図２に示すように、加熱硬化後に長さ方向に所定の間隔をあけて、チューブ６が貫通する貫通孔１１ｂが形成される。   The adhesive 11 shown in FIGS. 2 and 3B is a member that bonds the rails 2 and 3 and the joint plates 4 and 5, and is sandwiched between the rails 2 and 3 and the joint plates 4 and 5. Join. For example, the adhesive 11 is formed by laminating a plurality of molding intermediate material (prepreg) adhesive sheets 11a obtained by impregnating a glass paper nonwoven fabric with a resin, and heat-curing these adhesive sheets 11a as shown in FIG. Materialized. As shown in FIG. 2, the adhesive sheet 11 a is formed with a through hole 11 b through which the tube 6 penetrates at a predetermined interval in the length direction after heat curing.

図２及び図３（Ｂ）に示す接着材１２は、レール２，３の貫通孔２ｄ，３ｄ及び継目板４，５の貫通孔４ａ，５ａとこれらの貫通孔２ｄ，３ｄ，４ａ，５ａに挿入されるチューブ６との間の隙間に充填される部材である。接着材１２は、例えば、絶縁性及び止水性を有する絶縁性樹脂である。接着材１２は、例えば、接着材１１と同様の成形用中間素材（プリプレグ）の接着シート１２ａをほぼ正方形状に形成して、接着材１１の貫通孔１１ｂをそれぞれ覆うように複数積層し、図３（Ｂ）に示すようにこの接着シート１２ａを加熱硬化されて形成される。接着材１２は、図３（Ａ）に示すように、接着材１１と継目板４，５との間に挟み込まれた状態で加熱されると溶け出して、図３（Ｂ）に示すように貫通孔２ｄ，３ｄ，４ａ，５ａの内周部とチューブ６の外周部との間の隙間に浸入しこの隙間に充填される。   The adhesive 12 shown in FIG. 2 and FIG. 3 (B) is formed in the through holes 2d and 3d of the rails 2 and 3, the through holes 4a and 5a of the joint plates 4 and 5, and the through holes 2d, 3d, 4a and 5a. It is a member filled in a gap between the tube 6 to be inserted. The adhesive material 12 is, for example, an insulating resin having insulating properties and water-stopping properties. For example, the adhesive material 12 is formed by forming an adhesive sheet 12a of a molding intermediate material (prepreg) similar to the adhesive material 11 in a substantially square shape, and stacking a plurality so as to cover the through holes 11b of the adhesive material 11, respectively. As shown in 3 (B), the adhesive sheet 12a is formed by heat curing. As shown in FIG. 3 (A), the adhesive 12 melts when heated while sandwiched between the adhesive 11 and the joint plates 4 and 5, and as shown in FIG. 3 (B). It enters into the gap between the inner periphery of the through holes 2d, 3d, 4a, 5a and the outer periphery of the tube 6, and fills this gap.

次に、この発明の第１実施形態に係る接着絶縁レールの製造方法を説明する。
図４は、この発明の第１実施形態に係る接着絶縁レールの製造方法の工程図である。
図４に示す接着絶縁レールの製造工程＃１００は、レール２，３の継目部分の両側に継目板４，５を絶縁性の接着材１１によって接着して、この継目部分を電気的に絶縁し接続する工程である。接着絶縁レールの製造工程＃１００は、表面処理工程＃１１０と、予備加熱工程＃１２０と、プライマ塗布工程＃１３０と、密着工程＃１４０と、接着工程＃１５０と、締結工程＃１６０とを含む。 Next, a method for manufacturing an adhesive insulated rail according to the first embodiment of the present invention will be described.
FIG. 4 is a process diagram of the method for manufacturing an adhesively insulated rail according to the first embodiment of the present invention.
In the manufacturing process # 100 of the adhesive insulation rail shown in FIG. 4, the joint plates 4 and 5 are bonded to both sides of the joint portions of the rails 2 and 3 by the insulating adhesive material 11 to electrically insulate the joint portions. It is a process of connecting. Adhesive insulating rail manufacturing process # 100 includes surface treatment process # 110, preheating process # 120, primer application process # 130, adhesion process # 140, adhesion process # 150, and fastening process # 160. .

表面処理工程＃１１０は、レール２，３及び継目板４，５を研磨する工程である。この表面処理工程＃１１０では、レール２，３及び継目板４，５の接着面がサンドブラスト処理、ショットブラスト処理又はショットピーニング処理されてこの接着面の錆などが除去され、必要に応じてアセトンなどの溶剤によってこの接着面の油脂分が除去される。   The surface treatment step # 110 is a step of polishing the rails 2 and 3 and the joint plates 4 and 5. In this surface treatment step # 110, the adhesive surfaces of the rails 2, 3 and the joint plates 4, 5 are subjected to sand blasting, shot blasting or shot peening to remove rust on the adhesive surfaces, and acetone or the like as necessary. The oil and fat content on the bonded surface is removed by the solvent.

予備加熱工程＃１２０は、レール２，３及び継目板４，５を予備加熱する工程である。この予備加熱工程＃１２０では、レール２，３及び継目板４，５がレール加熱機などの電気炉内で所定の温度(例えば、約50°Ｃ)まで予備加熱される。   Preheating process # 120 is a process of preheating rails 2 and 3 and joint plates 4 and 5. In this preheating step # 120, the rails 2 and 3 and the joint plates 4 and 5 are preheated to a predetermined temperature (for example, about 50 ° C.) in an electric furnace such as a rail heater.

プライマ塗布工程＃１３０は、レール２，３及び継目板４，５にプライマを塗布する工程である。このプライマ工程＃１３０では、レール２，３、継目板４，５、貫通孔２ｄ，３ｄ，４ａ，５ａ及びレール形１０の接着面にエポキシ一液配合樹脂やエポキシ化フェノール樹脂系のプライマなどの表面処理材が塗布されて、接着面が指触乾燥状態にされる。   The primer application step # 130 is a step of applying a primer to the rails 2 and 3 and the joint plates 4 and 5. In this primer step # 130, the adhesive surfaces of the rails 2, 3, the seam plates 4, 5, the through holes 2d, 3d, 4a, 5a and the rail shape 10 are made of an epoxy one-component resin or an epoxidized phenol resin primer. A surface treatment material is applied, and the adhesion surface is brought into a dry-to-touch state.

密着工程＃１４０は、接着シート１１ａを複数重ね合わせた積層材をレール２，３と継目板４，５との間に密着させるとともに、接着シート１１ａ，１２ａを複数重ね合わせた積層材をレール２，３と継目板４，５との間に密着させる工程であり、継目構造１の組立作業を実施する工程である。先ず、貫通孔２ｄ，３ｄ，４ａ，５ａにチューブ６を挿入するとともに、チューブ６に継目板ボルト７を挿入する。次に、レール２，３の突き合わせ部にレール形１０を挿入し、継目板４，５の側面に複数枚の接着シート１２ａを取り付けるとともに、レール２，３の側面と継目板４，５の側面との間に、複数枚の接着シート１１ａからなる積層材を挟み込む。そして、ナット８を圧締具によって所定の締め付け量で仮締めし、継目構造１が組み立てられる。 In the adhesion step # 140, a laminated material in which a plurality of adhesive sheets 11a are overlapped is brought into close contact between the rails 2 and 3 and the joint plates 4 and 5, and a laminated material in which a plurality of adhesive sheets 11a and 12a are overlapped is applied to the rail 2. , 3 and the joint plates 4, 5 are in close contact with each other, and the assembly operation of the joint structure 1 is performed. First, the tube 6 is inserted into the through holes 2 d, 3 d, 4 a, and 5 a, and the joint plate bolt 7 is inserted into the tube 6. Next, insert the rail-shaped 10 in the abutting portion of the rail 2, is attached a plurality of the adhesive sheet 12a on the side surface of the seam plates 4 and 5, side surfaces and seam plates 4 and 5 of the rails 2 and 3 A laminated material composed of a plurality of adhesive sheets 11a is sandwiched therebetween. Then, the nut 8 is temporarily tightened by a predetermined tightening amount with the pressure fastener, and the joint structure 1 is assembled.

接着工程＃１５０は、レール２，３と継目板４，５とを接着材１１によって接着するとともに、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間に接着材１２を充填する工程である。先ず、加熱温度を測定するために熱伝対が装着される。次に、レール加熱器によってレール２，３を所定の温度(例えば、150°Ｃ)まで加熱する。このとき、図３（Ａ）に示す接着シート１２ａが溶融して、図３（Ｂ）に示すように貫通孔２ｄ，３ｄ，４ａ，５ａの内周部とチューブ６の外周部との間の隙間に流入しこの隙間に接着材１２が充填される。そして、所定の硬化温度(例えば、145〜155°Ｃ)に維持して均一に加熱し、所定の硬化時間(例えば、40分)で硬化させる。   In the bonding step # 150, the rails 2 and 3 and the joint plates 4 and 5 are bonded by the bonding material 11, and the bonding material 12 is filled in the gaps between the through holes 2d, 3d, 4a, and 5a and the tube 6. It is a process. First, a thermocouple is attached to measure the heating temperature. Next, the rails 2 and 3 are heated to a predetermined temperature (for example, 150 ° C.) by the rail heater. At this time, the adhesive sheet 12a shown in FIG. 3 (A) is melted, and as shown in FIG. 3 (B), between the inner periphery of the through holes 2d, 3d, 4a, and 5a and the outer periphery of the tube 6. It flows into the gap and the adhesive 12 is filled in the gap. And it maintains at predetermined | prescribed hardening temperature (for example, 145-155 degreeC), it heats uniformly, and it hardens | cures with predetermined | prescribed hardening time (for example, 40 minutes).

締結工程＃１６０は、継目板ボルト７とナット８とを所定のトルクで締結する工程である。接着材１１，１２の冷却後に、継目板ボルト７とナット８とを所定のトルク(例えば、500N・m)で本締めし、接着材１１，１２の露出部分とこの周辺にウレタン塗料などの仕上げ塗料が塗布されて、一連の製造工程が終了される。   The fastening process # 160 is a process of fastening the joint plate bolt 7 and the nut 8 with a predetermined torque. After the adhesives 11 and 12 are cooled, the joint plate bolts 7 and nuts 8 are finally tightened with a predetermined torque (for example, 500 N · m), and the exposed portions of the adhesives 11 and 12 and the periphery are finished with urethane paint or the like. The paint is applied, and a series of manufacturing steps is completed.

この発明の第１実施形態に係る接着絶縁レールの継目構造とその製造方法には、以下に記載するような効果がある。
この第１実施形態では、レール２，３及び継目板４，５に形成された貫通孔２ｄ，３ｄ，４ａ，５ａとこの貫通孔２ｄ，３ｄ，４ａ，５ａに挿入されるチューブ６との間の隙間に絶縁性の接着材１２が充填されている。このため、この隙間への雨水の浸入を接着材１２によって防ぎ、レール２，３と継目板ボルト７との間の絶縁不良の発生を接着材１２によって低減することができる。また、レール２，３と継目板４，５とを接着するときに使用される接着シート１１ａと同様の接着シート１２ａを溶融させて、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間に接着材１２を簡単に充填させることができる。さらに、レール２，３と継目板４，５とを接着する接着工程中で、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間に接着材１２を充填することができるため、特別な作業を追加せずに接着作業と充填作業とを同時に実施することができる。 The joint structure of the adhesive insulated rail and the manufacturing method thereof according to the first embodiment of the present invention have the following effects.
In the first embodiment, between the through holes 2d, 3d, 4a, 5a formed in the rails 2, 3 and the joint plates 4, 5, and the tube 6 inserted into the through holes 2d, 3d, 4a, 5a. An insulating adhesive material 12 is filled in the gap. For this reason, intrusion of rainwater into the gap can be prevented by the adhesive 12, and the occurrence of insulation failure between the rails 2, 3 and the joint plate bolt 7 can be reduced by the adhesive 12. Also, the adhesive sheet 12a similar to the adhesive sheet 11a used when the rails 2 and 3 and the joint plates 4 and 5 are bonded together is melted, and the space between the through holes 2d, 3d, 4a and 5a and the tube 6 is increased. Can be easily filled with the adhesive 12. Furthermore, since the adhesive 12 can be filled between the through holes 2d, 3d, 4a, 5a and the tube 6 during the bonding process of bonding the rails 2, 3 and the joint plates 4, 5, a special The bonding operation and the filling operation can be performed at the same time without adding operations.

（第２実施形態）
図５は、この発明の第２実施形態に係る接着絶縁レールの継目構造の一部を省略して示す部分断面図である。以下では、図１〜図３に示す部分と同一の部分については同一の番号を付して詳細な説明を省略する。
図５に示す充填装置Ｇは、コーキング材を充填するコーキングガン装置などであり、コーキング材１３を収容する収容部が加圧されたときにこのコーキング材１３が噴出するノズルＧ1を備えている。図５に示す継目構造１は、図３に示す接着材１２に代えてコーキング材１３を備えている。コーキング材１３は、レール２，３の貫通孔２ｄ，３ｄ及び継目板４，５の貫通孔４ａ，５ａとこれらの貫通孔２ｄ，３ｄ，４ａ，５ａに挿入されるチューブ６との間の隙間に充填される部材であり、図２及び図３に示す接着材１２と同様に絶縁性及び止水性を有する絶縁性樹脂である。コーキング材１３は、例えば、水密性及び気密性確保するために使用される不定形のシリコーン樹脂又はシリコーングリースであり、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間に充填装置Ｇによって注入され充填される。 (Second Embodiment)
FIG. 5 is a partial cross-sectional view showing a part of the joint structure of the adhesive insulated rail according to the second embodiment of the present invention. In the following, the same parts as those shown in FIGS. 1 to 3 are denoted by the same reference numerals, and detailed description thereof is omitted.
The filling device G shown in FIG. 5 is a caulking gun device or the like that fills the caulking material, and includes a nozzle G 1 from which the caulking material 13 is ejected when the accommodating portion that accommodates the caulking material 13 is pressurized. . The seam structure 1 shown in FIG. 5 includes a caulking material 13 instead of the adhesive material 12 shown in FIG. The caulking material 13 has gaps between the through holes 2d and 3d of the rails 2 and 3 and the through holes 4a and 5a of the joint plates 4 and 5 and the tubes 6 inserted into these through holes 2d, 3d, 4a and 5a. The insulating resin having insulating properties and water-stop properties is the same as the adhesive 12 shown in FIGS. 2 and 3. The caulking material 13 is, for example, an indeterminate silicone resin or silicone grease used to ensure water tightness and air tightness, and a filling device is provided in the gaps between the through holes 2d, 3d, 4a, 5a and the tube 6 Injected and filled by G.

図６は、この発明の第２実施形態に係る接着絶縁レールの製造方法の工程図である。以下では、図５に示す工程と同一の工程については同一の番号を付して詳細な説明を省略する。
図６に示す接着絶縁レールの製造工程＃１００は、表面処理工程＃１１０と、予備加熱工程＃１２０と、プライマ塗布工程＃１３０と、密着工程＃１４０と、接着工程＃１５０と、締結工程＃１６０と、充填工程＃１７０とを含む。 FIG. 6 is a process diagram of a method for manufacturing an adhesive insulating rail according to a second embodiment of the present invention. In the following, the same steps as those shown in FIG. 5 are denoted by the same reference numerals and detailed description thereof is omitted.
6 includes a surface treatment process # 110, a preheating process # 120, a primer coating process # 130, an adhesion process # 140, an adhesion process # 150, and a fastening process #. 160 and filling step # 170.

図６に示す接着工程＃１５０では、図３に示すような貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間に接着材１２を充填する工程が省略されている。充填工程＃１７０は、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間にコーキング材１３を充填する工程である。図５に示すように、接着材１１が完全に硬化した後に継目板ボルト７、ナット８及び平座金９が取り外されて、貫通孔４ａ，５ａとチューブ６との間の隙間に充填装置ＧのノズルＧ1からコーキング材１３が注入され充填される。その後に、チューブ６に継目板ボルト７が挿入されてナット８及び平座金９が装着され、継目板ボルト７とナット８とが所定のトルクで締結され本締めされる。 In the bonding step # 150 shown in FIG. 6, the step of filling the adhesive material 12 into the gaps between the through holes 2d, 3d, 4a, 5a and the tube 6 as shown in FIG. 3 is omitted. The filling step # 170 is a step of filling the caulking material 13 in the gaps between the through holes 2d, 3d, 4a, 5a and the tube 6. As shown in FIG. 5, after the adhesive 11 is completely cured, the joint plate bolt 7, the nut 8, and the flat washer 9 are removed, and the gap between the through holes 4 a, 5 a and the tube 6 is removed. caulking material 13 is injected is filled from the nozzle G 1. Thereafter, the seam plate bolt 7 is inserted into the tube 6 and the nut 8 and the flat washer 9 are mounted. The seam plate bolt 7 and the nut 8 are fastened with a predetermined torque and finally tightened.

この発明の第２実施形態に係る接着絶縁レールの継目構造とその製造方法には、以下に記載するような効果がある。
この第２実施形態では、第１実施形態と同様に、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間への雨水の浸入を防ぎ、レール２，３と継目板ボルト７との間の絶縁不良の発生を低減することができる。また、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間に、既存の充填装置Ｇを利用して簡単な作業によってコーキング材１３を容易に注入し充填させることができる。 The joint insulating rail joint structure and the manufacturing method thereof according to the second embodiment of the present invention have the following effects.
In the second embodiment, as in the first embodiment, the intrusion of rainwater into the gap between the through holes 2d, 3d, 4a, 5a and the tube 6 is prevented, and the rails 2, 3 and the joint plate bolt 7 It is possible to reduce the occurrence of insulation failure between the two. Further, the caulking material 13 can be easily injected and filled into the gaps between the through holes 2d, 3d, 4a, 5a and the tube 6 by a simple operation using the existing filling device G.

この発明は、以上説明した実施形態に限定するものではなく、以下に記載するように種々の変形又は変更が可能であり、これらもこの発明の範囲内である。
例えば、この実施形態では、貫通孔２ｄ，３ｄ，４ａ，５ａとチューブ６との間の隙間に充填される絶縁性樹脂として接着材１２及びコーキング材１３を例に挙げて説明したが、これらの絶縁性樹脂に限定するものではない。また、この実施形態では、絶縁性樹脂としてコーキング材１３を例に挙げて説明したが、これに限定するものではなくシリコーン樹脂以外の絶縁性のコーキング材についてもこの発明を適用することができる。 The present invention is not limited to the embodiment described above, and various modifications or changes can be made as described below, and these are also within the scope of the present invention.
For example, in this embodiment, the adhesive 12 and the caulking material 13 have been described as examples of the insulating resin filled in the gaps between the through holes 2d, 3d, 4a, and 5a and the tube 6, but these It is not limited to insulating resin. In this embodiment, the caulking material 13 is described as an example of the insulating resin. However, the present invention is not limited to this, and the present invention can also be applied to an insulating caulking material other than the silicone resin.

この発明の第１実施形態に係る接着絶縁レールの継目構造の外観図であり、（Ａ）は平面図であり、（Ｂ）は側面図である。It is an external view of the joint structure of the adhesive insulation rail which concerns on 1st Embodiment of this invention, (A) is a top view, (B) is a side view. 図１のII-II線で切断した状態を示す断面図である。It is sectional drawing which shows the state cut | disconnected by the II-II line | wire of FIG. 図２のIII部分を拡大して示す断面図であり、（Ａ）は接着前の状態の断面図であり、（Ｂ）は接着後の状態を示す断面図である。It is sectional drawing which expands and shows the III part of FIG. 2, (A) is sectional drawing of the state before adhesion | attachment, (B) is sectional drawing which shows the state after adhesion | attachment. この発明の第１実施形態に係る接着絶縁レールの製造方法の工程図である。It is process drawing of the manufacturing method of the adhesion insulation rail concerning a 1st embodiment of this invention. この発明の第２実施形態に係る接着絶縁レールの継目構造の一部を省略して示す部分断面図である。It is a fragmentary sectional view which abbreviate | omits and shows a part of the joint structure of the adhesive insulation rail which concerns on 2nd Embodiment of this invention. この発明の第２実施形態に係る接着絶縁レールの製造方法の工程図である。It is process drawing of the manufacturing method of the adhesive insulation rail which concerns on 2nd Embodiment of this invention. 従来の接着絶縁レールの継目構造の断面図である。It is sectional drawing of the joint structure of the conventional adhesive insulation rail.

符号の説明Explanation of symbols

１ 継目構造
２，３ レール
２ｄ，３ｄ 貫通孔
４，５ 継目板
４ａ，５ａ 貫通孔
６ チューブ
７ 継目板ボルト
８ ナット
９ 平座金
１０ レール形
１１ 接着材
１１ａ 接着シート
１２ 接着材
１２ａ 接着シート
１３ コーキング材
Ｇ 充填装置
Ｇ1 ノズル

DESCRIPTION OF SYMBOLS 1 Joint structure 2, 3 Rail 2d, 3d Through-hole 4,5 Joint plate 4a, 5a Through-hole 6 Tube 7 Joint plate bolt 8 Nut 9 Plain washer 10 Rail form 11 Adhesive 11a Adhesive sheet 12 Adhesive 12a Adhesive sheet 13 Caulking Material G Filling device G 1 nozzle

Claims (2)

レールの継目部分の両側に継目板を絶縁性の接着材によって接着して、この継目部分を電気的に絶縁し接続する接着絶縁レールの継目構造であって、
前記接着材は、前記レールと前記継目板との間に成形用中間素材である接着シートを挟み込み加熱硬化させて形成されており、
前記レール及び前記継目板に形成された貫通孔とこの貫通孔に挿入されるチューブとの間の隙間に絶縁性樹脂が充填されており、
前記絶縁性樹脂は、前記継目板の外側から充填されるコーキング材であること、
を特徴とする接着絶縁レールの継目構造。 It is a joint structure of an adhesive insulating rail in which a seam plate is bonded to both sides of the joint portion of the rail with an insulating adhesive, and the joint portion is electrically insulated and connected,
The adhesive is formed by sandwiching an adhesive sheet, which is an intermediate material for molding, between the rail and the joint plate, and heat-curing it,
An insulating resin is filled in a gap between a through hole formed in the rail and the joint plate and a tube inserted into the through hole,
The insulating resin is a caulking material filled from the outside of the joint plate ;
Adhesive insulation rail joint structure characterized by レールの継目部分の両側に継目板を絶縁性の接着材によって接着して、この継目部分を電気的に絶縁し接続する接着絶縁レールの製造方法であって、
前記レールと前記継目板との間に成形用中間素材である接着シートを挟み込み加熱硬化させて、このレールとこの継目板とを接着する接着工程と、
前記レール及び前記継目板に形成された貫通孔とこの貫通孔に挿入されるチューブとの間の隙間に絶縁性樹脂を充填する充填工程とを含み、
前記充填工程は、前記貫通孔と前記チューブとの間の隙間に前記継目板の外側からコーキング材を充填する工程であること、
を特徴とする接着絶縁レールの製造方法。 A method for producing an adhesive insulating rail in which a seam plate is bonded to both sides of a joint portion of a rail with an insulating adhesive, and the joint portion is electrically insulated and connected,
An adhesive step of sandwiching an adhesive sheet, which is an intermediate material for molding, between the rail and the seam plate and curing by heating, and bonding the rail and the seam plate;
And a filling step of filling an insulating resin into a gap between the tube to be inserted into the through hole and the through holes formed in the rail and the joint plates,
The filling step is a step of filling a caulking material into the gap between the through hole and the tube from the outside of the joint plate ;
A method of manufacturing an adhesive insulated rail characterized by the above.
JP2005177392A 2005-06-17 2005-06-17 Adhesive insulation rail joint structure and manufacturing method thereof Expired - Fee Related JP4526446B2 (en)

Priority Applications (1)

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JP2005177392A JP4526446B2 (en) 2005-06-17 2005-06-17 Adhesive insulation rail joint structure and manufacturing method thereof

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Publication number Priority date Publication date Assignee Title
GB2449481A (en) * 2007-05-24 2008-11-26 Henkel Loctite Adhesives Ltd Electrically insulating rail joints

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178601A (en) * 1986-01-31 1987-08-05 財団法人鉄道総合技術研究所 Method for clamping rail adhesive joint
JPH03106446U (en) * 1990-02-14 1991-11-01
JP2000355902A (en) * 1999-06-14 2000-12-26 Central Japan Railway Co Rail insulating member
JP2004264000A (en) * 2003-03-04 2004-09-24 Hoshizaki Electric Co Ltd Auger type ice making machinery
JP2005127046A (en) * 2003-10-24 2005-05-19 Tokyu Car Corp Grounding isolation rail

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62178601A (en) * 1986-01-31 1987-08-05 財団法人鉄道総合技術研究所 Method for clamping rail adhesive joint
JPH03106446U (en) * 1990-02-14 1991-11-01
JP2000355902A (en) * 1999-06-14 2000-12-26 Central Japan Railway Co Rail insulating member
JP2004264000A (en) * 2003-03-04 2004-09-24 Hoshizaki Electric Co Ltd Auger type ice making machinery
JP2005127046A (en) * 2003-10-24 2005-05-19 Tokyu Car Corp Grounding isolation rail

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