JP3002094U - Adhesive rail Insulation rail type for insulation seams - Google Patents
Adhesive rail Insulation rail type for insulation seamsInfo
- Publication number
- JP3002094U JP3002094U JP1994003595U JP359594U JP3002094U JP 3002094 U JP3002094 U JP 3002094U JP 1994003595 U JP1994003595 U JP 1994003595U JP 359594 U JP359594 U JP 359594U JP 3002094 U JP3002094 U JP 3002094U
- Authority
- JP
- Japan
- Prior art keywords
- rail
- insulation
- adhesive
- vinyl ester
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
(57)【要約】
【目的】繰り返し荷重がかかっても安定で長期間使用に
耐える接着式レ−ル絶縁継目用絶縁レ−ル形。
【構成】ノボラック型グリシジルエ−テルと不飽和一塩
基酸からなるビニルエステルに重合性モノマ−としてス
チレンモノマ−を配合した熱変形温度220〜270℃
のビニルエステル樹脂を、ガラスクロス層、ガラスチョ
ップドストランド層に含浸し、交互に積層、硬化したプ
レ−トよりなる接着式レ−ル継ぎ目用絶縁レ−ル形。
(57) [Summary] [Purpose] Insulation rail type for adhesive rail insulation seams that is stable even under repeated load and withstands long-term use. [Structure] Heat distortion temperature 220 to 270 ° C. in which vinyl ester consisting of novolac type glycidyl ether and unsaturated monobasic acid is blended with styrene monomer as a polymerizable monomer.
Insulating rail type for adhesive rail seams, which consists of plates in which a vinyl cloth resin and a glass chopped strand layer are impregnated with the above vinyl ester resin and laminated alternately and cured.
Description
【0001】[0001]
本発明は、鉄道における接着式レ−ル絶縁継目用の絶縁レ−ル形に関する。 BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulating rail type for adhesive rail insulating joints in railways.
【0002】[0002]
鉄道におけるレ−ルの絶縁継目部分は電車、列車等車両の安全運転に不可決な レ−ルに流されている信号、その他車両運行制御のための各種電気信号を絶縁す る重要な部分である。 The rail insulation part of the rail is an important part that insulates the signals sent to the rails that are inevitable for safe driving of trains, trains, and other electrical signals for vehicle operation control. is there.
【0003】 通常のレ−ルの継目は、継合わせるレ−ルとレ−ルの端部をつき合わせ、2枚 の鉄製の継目板で挟み、締結ボルトにより固定する構造となっている。これに対 し絶縁継目は、図2に示した如く継合わせるレ−ル11とレ−ル12の間にレ− ル断面と同様の形をした絶縁材からなるレ−ル形5を挟み、レ−ル1と鉄製の継 目板2の間にも絶縁プレ−ト3を介し、締結ボルト4で固定し、レ−ルとレ−ル の間を電気的に絶縁している。絶縁継目部分の絶縁不良は信号故障、その他の原 因となり、これによる損害は非常に大きい。A normal rail seam has a structure in which rails to be spliced and end portions of the rails are brought into contact with each other, sandwiched between two iron seam plates, and fixed by fastening bolts. On the other hand, the insulating seam is made by inserting a rail type 5 made of an insulating material having a shape similar to the rail cross section between the rails 11 and 12 to be joined as shown in FIG. An insulating plate 3 is also provided between the rail 1 and the seam plate 2 made of iron, and fixed with fastening bolts 4 to electrically insulate the rails. Poor insulation at the insulation seam causes signal failure and other causes, and the damage caused by this is extremely large.
【0004】 通常の絶縁継目はレ−ル敷設の現場において行われる。これに対し、継合わせ るレ−ルとレ−ルの間に挟むレ−ル断面形状の絶縁材(以下、絶縁レ−ル形と称 す。)を、継合わせる両方のレ−ルの端面に接着固定した接着式レ−ル絶縁継目 がある。本考案は、この接着式レ−ル絶縁継目の絶縁レ−ル形に関する。Conventional insulation seams are made at the rail laying site. On the other hand, the end surfaces of both rails to be joined are the rails to be joined and the insulating material with a rail cross-sectional shape sandwiched between the rails (hereinafter referred to as “insulating rail type”). There is an adhesive rail insulation seam glued and fixed to. The present invention relates to an insulating rail type of this adhesive type rail insulating joint.
【0005】 従来の接着式レ−ル絶縁継目に用いられる絶縁レ−ル形は、ガラスクロスに熱 変形温度70〜75℃の液状エポキシ樹脂を含浸したプリプレグを積層し、圧力 0.5〜0.8Kg/cm2 、温度90〜95℃で30〜50分間加熱、加圧し て得られるプレ−トをレ−ルの断面形状に切り出し、レ−ルに接する両面をサン デングした後、熱硬化性樹脂のプライマ−を塗布し、レ−ルとレ−ルとのつき合 わせ部の間隙、通常5.2〜5.5mmに挿入する。次に、継目部分の両レ−ル の両則にガラスクロス等の骨材に熱硬化性樹脂を含浸したプリプレグからなる絶 縁プレ−ト3を当接し、これを継目板2で挟み、締結ボルト4で所定のトルクに 達するまで締め、絶縁継目部を組み立てる。The insulation rail type used in the conventional adhesive rail insulation joint is formed by laminating a glass cloth with a prepreg impregnated with a liquid epoxy resin having a heat deformation temperature of 70 to 75 ° C., and a pressure of 0.5 to 0. A plate obtained by heating and pressurizing at a temperature of 90 to 95 ° C. for 30 to 50 minutes at a pressure of 0.8 Kg / cm 2 is cut into a cross-sectional shape of the rail, and both sides in contact with the rail are sanded, followed by thermosetting. Apply a resin primer and insert it into the gap between the rails and the rails, usually 5.2 to 5.5 mm. Next, according to both rules of both rails of the seam portion, an insulating plate 3 made of a prepreg impregnated with a thermosetting resin is brought into contact with the aggregate such as glass cloth, and this is sandwiched between the seam plates 2 and fastened. Assemble the insulation seam by tightening bolt 4 until the specified torque is reached.
【0006】 組み立てられた絶縁継目部は、温度270℃の加熱炉に入れ2〜3時間加熱し 塗布した熱硬化性樹脂を硬化し、絶縁レ−ル形5とレ−ル11、12を硬化接着 一体化する。同時に絶縁プレ−ト3も硬化される。樹脂の硬化後約4時間自然冷 却し接着式レ−ル絶縁継目をうる。なお、接着式レ−ル絶縁継目部の長さは通常 6000mmである。The assembled insulation seam is put in a heating furnace at a temperature of 270 ° C. and heated for 2 to 3 hours to cure the applied thermosetting resin to cure the insulation rail type 5 and the rails 11 and 12. Adhesive unite. At the same time, the insulating plate 3 is also cured. After curing the resin, it is naturally cooled for about 4 hours to obtain an adhesive rail insulation joint. The length of the adhesive rail insulating joint is usually 6000 mm.
【0007】[0007]
接着式レ−ル絶縁継目部は、このようにして製作されるが、絶縁レ−ル形の両 面にに塗布された接着剤樹脂、絶縁プレ−トに含浸された未硬化の樹脂の完全硬 化を図るために雰囲気温度270℃の炉内に収納されるが、このとき絶縁レ−ル 形は、熱変形温度70〜75℃のエポキシ樹脂が含浸されたガラス繊維層よりな っているため、絶縁プレ−トを形成する未硬化樹脂の硬化反応温度170〜19 0℃の高温に耐えられず、熱劣化を発生したり、反応が終了の自然冷却後に、絶 縁レ−ル形の断面部にクラックが発生し不良品となることがある。 Adhesive rail insulation seams are manufactured in this way, but the adhesive resin applied to both sides of the insulation rail type and the uncured resin impregnated in the insulation plate are completely removed. It is housed in a furnace with an ambient temperature of 270 ° C. for hardening. At this time, the insulating rail type is composed of a glass fiber layer impregnated with an epoxy resin having a heat distortion temperature of 70 to 75 ° C. Therefore, the uncured resin forming the insulating plate cannot withstand the high curing reaction temperature of 170 to 190 ° C., which may cause thermal deterioration, or may be isolated rail type after the natural cooling after the reaction is completed. Cracks may occur in the cross section, resulting in defective products.
【0008】 また、目視できない微細なクラックが断面にあって、鉄道に敷設した場合、鉄 道車両が接着式レ−ル絶縁継目部を通過する際にかかる輪重によって絶縁レ−ル 形の頭部を破損または欠損することがある。In addition, when there are fine cracks that cannot be seen in the cross section and are laid on a railway, the insulation rail type head is created by the wheel load applied when the railway vehicle passes through the adhesive rail insulation joint. The part may be damaged or missing.
【0009】 さらに、レ−ル11、12の間隙は絶縁レ−ル形5を介し接着固定されている ために、図4に示した如くレ−ルのフロ−すなわち輪重によってレ−ルの伸び8 が発生し、熱劣化した絶縁レ−ル形が欠損することがあり、このため保守、検査 工数が増加するほか、前述した、従来の現場組立による絶縁継目より高価な接着 式絶縁継目部が絶縁レ−ル形により使用不能になることは大きな問題である。Further, since the gap between the rails 11 and 12 is adhesively fixed through the insulating rail type 5, as shown in FIG. Elongation 8 may occur and the thermally deteriorated insulation rail shape may be lost, which increases the number of maintenance and inspection steps. In addition, the above-mentioned adhesive insulation seam, which is more expensive than the conventional field assembly insulation seam. It is a big problem that the insulation rail type makes it unusable.
【0010】 本考案は、これらの問題点を解決し、安全で、長期の使用に耐える接着式レ− ル絶縁継目用絶縁レ−ル形を提供しようとするものである。The present invention is intended to solve these problems and to provide an insulating rail type for adhesive type rail insulating seams that is safe and withstands long-term use.
【0011】[0011]
本考案は、ノボラック型グリシジルエ−テルと不飽和一塩基酸からなるビニル エステルに重合性モノマ−としてスチレンを配合した熱変形温度220〜270 ℃のビニルエステル樹脂を、ビニルエステル樹脂を、ガラスクロス層、ガラスチ ョップドストランド層に含浸し、交互に積層、硬化されたプレ−トからなる接着 式レ−ル絶縁継目用絶縁レ−ル形にある。 The present invention relates to a vinyl ester resin having a heat distortion temperature of 220 to 270 ° C. obtained by blending styrene as a polymerizable monomer with a vinyl ester consisting of a novolac type glycidyl ether and an unsaturated monobasic acid, a vinyl ester resin, and a glass cloth layer. Insulation rail type for adhesive rail insulation seams, consisting of plates that are impregnated with glass chopped strand layers, alternately laminated and cured.
【0012】 図2は、従来の絶縁継ぎ目の横面図で、レ−ル11と12の間にレ−ル形の絶 縁材5を挟み両方のレ−ル11、12にわたり、図3に断面で示したようにレ− ルの両側に絶縁プレ−ト3を介して継目板2を当接しボルト4で締めた図を表し ている。これらはすべてレ−ル敷設の現場で組み立てられる。FIG. 2 is a lateral view of a conventional insulating seam, in which a rail-shaped insulating material 5 is sandwiched between the rails 11 and 12 and extends over both rails 11 and 12, and FIG. As shown in the cross-section, the figure shows the joint plate 2 abutting on both sides of the rail via the insulating plates 3 and tightened with bolts 4. These are all assembled at the rail laying site.
【0013】 図1は接着式レ−ル継目の横面を示しており、レ−ル形の絶縁材5は、接着剤 層6によりレ−ル11、12に一体的に接着されている。FIG. 1 shows the lateral surface of the adhesive rail seam, in which a rail-shaped insulating material 5 is integrally bonded to the rails 11, 12 by means of an adhesive layer 6.
【0014】 本考案の絶縁レ−ル形は、熱変形温度220〜270℃のノボラック型ビニル エステル樹脂をガラス繊維に含浸しこれを数層積層し、加熱、加圧硬化したプレ −トからレ−ル形に切り出したものである。熱変形温度220〜270℃のビニ ルエステル樹脂の具体例としては、ノボラック型グリシジルエ−テルと(メタ) アクリル酸の如き不飽和一塩基酸からなるビニルエステルに重合性モノマ−とし てスチレン及び硬化剤を配合したものが好ましく用いられる。この樹脂を、ガラ スクロスとガラスチョップドストランドに含浸し、これをそれぞれ数層好ましく は6〜7層交互に積層し、圧力0.5〜0.8Kg/cm2 、温度130〜15 0℃、時間10〜50分間加圧、加熱成形し厚さ略5mmのプレ−トとし、更に 110〜130℃で3〜6時間アフタ−キュア−する。このプレ−トからレ−ル 断面形状に切り出したものが本考案の絶縁用レ−ル形である。The insulating rail type of the present invention comprises a glass fiber impregnated with a novolac type vinyl ester resin having a heat distortion temperature of 220 to 270 ° C., laminated several layers, and heated and pressure-cured to form a plate. -It is cut out into a le shape. Specific examples of the vinyl ester resin having a heat distortion temperature of 220 to 270 ° C. include styrene and a curing agent as a polymerizable monomer of a vinyl ester composed of novolac type glycidyl ether and unsaturated monobasic acid such as (meth) acrylic acid. Those containing the above are preferably used. Glass cloth and glass chopped strands are impregnated with this resin, and several layers, preferably 6 to 7 layers of each are alternately laminated, and the pressure is 0.5 to 0.8 Kg / cm 2 , the temperature is 130 to 150 ° C., and the time is 10 hours. After pressurizing for 10 to 50 minutes and heat-molding, a plate having a thickness of about 5 mm is obtained, and further after-cured at 110 to 130 ° C. for 3 to 6 hours. The plate having the rail cross section cut out from this plate is the insulating rail type of the present invention.
【0015】 鉄道のレ−ルは、車両の車輪通過による摩擦に対する耐摩耗性能と、図4に示 したように車輪通過時の輪重のよって発生するレ−ル端部の伸び8によって絶縁 レ−ル形の頭部が接触破損するのを防止するために、頭部を、レ−ルの長さ方向 に2〜3°の勾配を設け台形にすることによってレ−ルの伸び8による破損を防 止することができる。Railroad rails have an insulation resistance due to wear resistance against friction caused by the passage of wheels of a vehicle and elongation 8 of the rail end portion caused by the wheel weight when the wheels pass as shown in FIG. -In order to prevent contact damage to the head of the rail, the head is inclined by 2 to 3 ° along the length of the rail to form a trapezoidal shape, and the damage is caused by extension 8 of the rail. Can be prevented.
【0016】 本考案の絶縁レ−ル形は、接着式レ−ル絶縁継目に組立てた後、絶縁プレ−ト の硬化のための温度170〜190℃に晒されても熱劣化することがなく、また クラックを発生することもない。本考案の絶縁レ−ル形を装着した接着式絶縁継 目を用いたレ−ルは、鉄道車両通過の際の輪重に耐え、絶縁レ−ル形に折損等の 損傷がなく長期間の使用に耐え列車、電車等鉄道車両の安全運行に寄与する。The insulation rail type of the present invention does not deteriorate by heat even when exposed to a temperature of 170 to 190 ° C. for curing the insulation plate after the adhesive rail insulation seam is assembled. Also, it does not generate cracks. The rail using the adhesive type insulation seam equipped with the insulation rail type of the present invention withstands the wheel load when the railway vehicle is passing, and the insulation rail type has no damage such as breakage and can be used for a long time. Withstands use and contributes to safe operation of trains and trains.
【0017】[0017]
タテ、ヨコとも太さ1155tex、打込み数タテ6.5本/25mm、ヨコ 6本/25mmのガラス繊維クロスとアットランダムにガラス繊維を積層した目 付450g/m2 のガラスチョップドストランドマット層に、ノボラック型グリ シジルエ−テルと不飽和一塩基酸からなるビニルエステルに重合性モノマ−とし てスチレン及び硬化剤としてメチルエチルケトンパ−オキサイド(MEKPO) とナフテン酸コバルト(コバルトN)を配合したノボラック型ビニルエステル樹 脂を十分に含浸させ後、ガラスチョップドストランドマットを7層、ガラス繊維 クロスを6層を交互に積層し、成形圧力0.6Kg/cm2 、温度140℃で時 間30分加熱し、5mm厚みのプレ−トを得た。これを120℃で5時間のアフ タ−キュア−を行った後、絶縁レ−ル形に切りだした。Both vertical and horizontal thickness 1155 tex, vertical number 6.5 / 25 mm, horizontal 6/25 mm glass fiber cloth and a glass chopped strand mat layer with a weight of 450 g / m 2 laminated at random with glass fiber, A novolak type vinyl ester in which vinyl ester consisting of novolac type glycidyl ether and unsaturated monobasic acid is mixed with styrene as a polymerizable monomer and methyl ethyl ketone peroxide (MEKPO) as a curing agent and cobalt naphthenate (cobalt N). After sufficiently impregnating the resin, 7 layers of glass chopped strand mats and 6 layers of glass fiber cloth were alternately laminated, and heated for 5 minutes at a molding pressure of 0.6 Kg / cm 2 and a temperature of 140 ° C. for 5 mm. A plate having a thickness was obtained. After this was subjected to after curing at 120 ° C. for 5 hours, it was cut into an insulating rail form.
【0018】 この絶縁レ−ル形の劈開強度は、常温:210Kgf/mm2 、175℃:1 70Kgf/mm2 であって、従来品の常温:240Kgf/mm2 、175℃ :23Kgf/mm2 、常温:175℃の強度保持率約10%に対し、強度保持 率81%である。絶縁レ−ル形で重要なのは、高温時の物性特に劈開強度であっ て、この点本考案は非常に優れたものでることが理解される。また、熱変形温度 は、220〜270℃であり、ギヤ−オ−ブン200℃炉中における重量変化は 、500時間で−マイナス1.8%,1000時間でマイナス3%の僅かな重量 減少率であった。The cleavage strength of this insulating rail type is room temperature: 210 Kgf / mm 2 , 175 ° C .: 170 Kgf / mm 2 , and the conventional product room temperature: 240 Kgf / mm 2 , 175 ° C .: 23 Kgf / mm 2 At room temperature: 175 ° C, the strength retention rate is about 10%, while the strength retention rate is 81%. It is understood that what is important in the insulating rail type is the physical properties at high temperature, especially the cleavage strength, and in this respect the present invention is very excellent. The heat distortion temperature is 220 to 270 ° C, and the weight change in the gear-oven 200 ° C furnace is -minus 1.8% at 500 hours and minus 3% at 1000 hours. Met.
【図面の簡単な説明】[Brief description of drawings]
【図1】本考案の接着式レ−ル絶縁継目部の横面図であ
る。FIG. 1 is a side view of the adhesive rail insulation seam of the present invention.
【図2】従来の絶縁継目部横面図である。FIG. 2 is a lateral view of a conventional insulating joint portion.
【図3】絶縁継目部の断面図である。FIG. 3 is a cross-sectional view of an insulating seam portion.
【図4】レ−ルの伸びを示す横面図であるFIG. 4 is a side view showing the elongation of the rail.
1 レ−ル 2 レ−ル継目板 3 絶縁プレ−ト 4 レ−ル締結ボルト 5 絶縁レ−ル形 6 接着面 7 勾配 8 レ−ルの伸び 1 rail 2 rail joint plate 3 insulating plate 4 rail fastening bolt 5 insulating rail type 6 adhesive surface 7 gradient 8 rail expansion
Claims (2)
一塩基酸からなるビニルエステルに重合性モノマ−とし
てスチレンを配合した熱変形温度220〜270℃のビ
ニルエステル樹脂を、ガラスクロス層、ガラスチョップ
ドストランド層に含浸し、交互に積層、硬化されたプレ
−トからなる接着式レ−ル絶縁継目用絶縁レ−ル形。1. A glass cloth layer and a glass chopped strand of a vinyl ester resin having a heat distortion temperature of 220 to 270 ° C., which is a vinyl ester composed of novolac type glycidyl ether and unsaturated monobasic acid and styrene as a polymerizable monomer. Insulating rail type for adhesive rail insulation seams consisting of plates that are impregnated into layers, laminated alternately and cured.
一塩基酸からなるビニルエステルに重合性モノマ−とし
てスチレンを配合した熱変形温度220〜270℃のビ
ニルエステル樹脂を、ガラスクロス層、ガラスチョップ
ドストランド層に含浸し、交互に積層、硬化させたプレ
−トよりなり、頂部のレ−ル端部に接する面に、2〜3
°の勾配を設けた接着式レ−ル継目用絶縁レ−ル形。2. A glass cloth layer, a glass chopped strand, a vinyl ester resin having a heat distortion temperature of 220 to 270 ° C., which is a vinyl ester composed of novolac type glycidyl ether and unsaturated monobasic acid mixed with styrene as a polymerizable monomer. Layers impregnated, alternately laminated, and cured, and the surface contacting the rail end of the top has 2 to 3 parts.
Insulation rail type for adhesive rail seams with a gradient of °.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1994003595U JP3002094U (en) | 1994-03-17 | 1994-03-17 | Adhesive rail Insulation rail type for insulation seams |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1994003595U JP3002094U (en) | 1994-03-17 | 1994-03-17 | Adhesive rail Insulation rail type for insulation seams |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3002094U true JP3002094U (en) | 1994-09-13 |
Family
ID=43138064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1994003595U Expired - Lifetime JP3002094U (en) | 1994-03-17 | 1994-03-17 | Adhesive rail Insulation rail type for insulation seams |
Country Status (1)
Country | Link |
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JP (1) | JP3002094U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222891A (en) * | 1991-03-26 | 1993-08-31 | Fujita Corp | Crusher of bedrock or concrete |
JP2015021317A (en) * | 2013-07-22 | 2015-02-02 | 信号器材株式会社 | Rail shape for glued insulated joint rail |
-
1994
- 1994-03-17 JP JP1994003595U patent/JP3002094U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05222891A (en) * | 1991-03-26 | 1993-08-31 | Fujita Corp | Crusher of bedrock or concrete |
JP2015021317A (en) * | 2013-07-22 | 2015-02-02 | 信号器材株式会社 | Rail shape for glued insulated joint rail |
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