DE1655486U - INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS. - Google Patents

INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS.

Info

Publication number
DE1655486U
DE1655486U DE1952D0005248 DED0005248U DE1655486U DE 1655486 U DE1655486 U DE 1655486U DE 1952D0005248 DE1952D0005248 DE 1952D0005248 DE D0005248 U DED0005248 U DE D0005248U DE 1655486 U DE1655486 U DE 1655486U
Authority
DE
Germany
Prior art keywords
railway tracks
intermediate layer
insulating joints
plastic
insulating
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
Application number
DE1952D0005248
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BUNDESBAHN EISENBAHN ZENTRALAM
Original Assignee
BUNDESBAHN EISENBAHN ZENTRALAM
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BUNDESBAHN EISENBAHN ZENTRALAM filed Critical BUNDESBAHN EISENBAHN ZENTRALAM
Priority to DE1952D0005248 priority Critical patent/DE1655486U/en
Publication of DE1655486U publication Critical patent/DE1655486U/en
Expired legal-status Critical Current

Links

Landscapes

  • Train Traffic Observation, Control, And Security (AREA)
  • Railway Tracks (AREA)

Description

k. Zwischenlagen für IsolierstöBe-von Eisenbahngleisen. , In den. Eisenbahzigleisen sind aus signal technischen. Gründen zahlreiche Schienenstöße elektrisch zu isolieren. Hierbei muß zwischen die durch Laschen verbundenen Schieneneine icht leitende Stoßzwischenlage in Form des Schienenprofils eingelegt werden. Bisher wurden diese Stoßzwischenlagen aus Leder, Gummi oder Kunststoff hergestellt, deren Lebensdauer wegen der großen Druckkräfte bei Lückenschluß in Verbindung mit Schubkräften infolge gegenläufiger Bewegung der Schienenenden in vertikaler Richtung beim Befahren des Stoßes verhältnismäßig gering ist. Eine wesentliche. Erhöhung der Lebensdauer wird erreicht durch Verwendung der bekannten schlecht leitenden gesinterten Metalloxyde, die eine sehr große Druckfestigkeit aufweisen. Wegen der andererseits vorhandenen Sprödigkeit der gesinterten Metalloxyde spielt die Formgebung der sinter-teille eine maßgebende Rolle. Aus Gründen-der Wirtschaftlichkeit und der Ausschaltung einer Bruchgefahr in dem schmalen Stegteil der Stoßzwischenlage infolge der Sprödigkeit der gesinterten Metalloxyde wird erfindungsgemäß vorgeschlagen, 2 Stück den Druck übertragende Isolierstücke aus gesintertem Metalloxyd a, b in einen billigen Kunststoff c einzubetten. Der Kunststoff hat lediglich die Aufgabe, die Lage der Platten aus gesintertem Xetalloxyd bei geöffneter Stoßlücke zu erhalten und diese damit gegen ein Herausfallen zu sichern. Schutzansprucm ßrr// 1) jus verstellung von isolierenden Stoßzwischenlagen k. Intermediate layers for insulating joints on railway tracks. , In the. Railway tracks are signal technical. establish to electrically isolate numerous rail joints. Here does not have to be between the rails connected by brackets conductive butt joint in the form of the rail profile. So far, these butt pads were made of leather, rubber or plastic, the service life of which is relatively short due to the high pressure forces when closing the gap in connection with shear forces due to the opposite movement of the rail ends in the vertical direction when driving over the joint. An essential one. The service life is increased by using the known poorly conductive sintered metal oxides, which have a very high compressive strength. Because of the brittleness of the sintered metal oxides, the shape of the sintered parts plays a decisive role. For reasons of economy and the elimination of the risk of breakage in the narrow web part of the intermediate layer due to the brittleness of the sintered metal oxides, the invention proposes to embed 2 pieces of pressure-transmitting insulating pieces made of sintered metal oxide a, b in a cheap plastic c. The only task of the plastic is to position the plates from sintered To get Xetalloxyd with an open joint gap and this with it to secure against falling out. Protection claim ßrr // 1) jus adjustment of insulating butt pads

Claims (1)

für. Eisenbahngleise, dadurch gekennzeichnete daß 2. kleine Iso- lierstücke (a, b) mit Ansätzen (e) aus dem bekannten-ge- sintertem Metalloxyd in. einen bekannten Xunststoff (d) derart eingebettet werden, daB nur die Isolierstücke die- Druckkräfte aufnehmen, während der. Kunststoff lediglich die unveränderte Lage der Isolierstücke erhält und diese bei geöffneter StoBlücke gegen. Herausfallen sichert.
for. Railway tracks, characterized in that 2. small Iso- pieces (a, b) with attachments (e) from the well-known sintered metal oxide in a known plastic (d) embedded in such a way that only the insulating pieces Absorb compressive forces during the. Plastic only the unchanged position of the insulating pieces and this when the shock gap is open against. Falling out secures.
DE1952D0005248 1952-11-13 1952-11-13 INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS. Expired DE1655486U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE1952D0005248 DE1655486U (en) 1952-11-13 1952-11-13 INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1952D0005248 DE1655486U (en) 1952-11-13 1952-11-13 INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS.

Publications (1)

Publication Number Publication Date
DE1655486U true DE1655486U (en) 1953-05-13

Family

ID=30453459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1952D0005248 Expired DE1655486U (en) 1952-11-13 1952-11-13 INTERMEDIATE LAYER FOR INSULATING JOINTS OF RAILWAY TRACKS.

Country Status (1)

Country Link
DE (1) DE1655486U (en)

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