An expansion joint apparatus is disclosed. An expansion joint apparatus according to the present invention may exhibit flexible movement so that an electrical connection of a rigid trolley bar that is installed in order to supply electrical power to an electric railcar in a tunnel section can efficiently be maintained, and electrical and mechanical continuity of the rigid trolley bar can stably be maintained regardless of expansion and shrinkage due to temperature changes. A stable electrical connection between a connection block of the expansion joint apparatus and rigid trolley bars can be maintained when the rigid trolley bars are electrically connected, connection failure can be prevented, and accumulation of foreign substances such as dust and the like in an electrical contact part can be prevented, thereby allowing product performance to be maintained for a long period and reliability to be guaranteed. In addition, the structure thereof is simplified compared to conventional structures, thereby improving maintainability as well as an electrical contact surface is large, and is thereby suitable for transferring high-current.

    L'invention concerne un appareil de type joint de dilatation. Un appareil de type joint de dilatation selon la présente invention peut présenter un mouvement flexible de sorte qu'une connexion électrique d'une barre de chariot rigide qui est installée afin de fournir de l'énergie électrique à un autorail électrique dans une section de tunnel puisse être maintenue efficacement, et que la continuité électrique et mécanique de la barre de chariot rigide puisse être maintenue de manière stable indépendamment de la dilatation et du retrait dus aux changements de température. Une connexion électrique stable entre un bloc de connexion de l'appareil de type joint de dilatation et des barres de chariot rigide peut être maintenue lorsque les barres de chariot rigides sont connectées électriquement, une défaillance de connexion peut être empêchée et l'accumulation de substances étrangères telles que la poussière et analogues dans une partie contact électrique peut être empêchée, ce qui permet de maintenir la performance du produit pendant une longue période et de garantir la fiabilité. De plus, la structure de l'invention est simplifiée par rapport aux structures classiques, ce qui permet d'améliorer la maintenabilité. De plus, une surface de contact électrique est grande et est ainsi appropriée pour transférer un courant élevé.

    신축이음장치가 개시된다. 본 발명에 따른 신축이음장치에 의하면, 터널 구간에서 전동차에 전력을 공급하기 위해 설치되는 강체전차선의 전기적 연결을 효율적으로 유지하고, 온도 변화에 따른 팽창과 수축에도 강체전차선의 전기적, 기계적 연속성을 안정적으로 유지할 수 있도록 유연한 이동성을 발휘할 수 있다. 그리고 강체전차선 간의 전기적 연결 시 신축이음장치의 접속블록과 강체전차선 간의 안정적인 전기적 연결을 유지하고 접촉불량 발생을 방지할 수 있으며, 전기적 접촉이 이루어지는 부분에 먼지 등 이물질이 쌓이는 것을 방지하여 장시간 동안 제품 성능을 유지하고 신뢰성을 확보할 수 있다. 또한, 전기적 접촉면이 넓어 대전류 이송에 적합하면서도, 기존 구조보다 구조를 단순화하여 유지 보수성을 높일 수 있다.


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    Title :

    EXPANSION JOINT APPARATUS


    Additional title:

    APPAREIL DE TYPE JOINT DE DILATATION
    신축이음장치


    Contributors:

    Publication date :

    2018-05-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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