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German to English translations [PRO]
Tech/Engineering - Transport / Transportation / Shipping / strength test on body of locomotive | | German term or phrase: Federquerträger | Für die Berechnung des Lastfalls 1 wurde das Halbmodell auf den Sekundärfeder-aufnahmen des Federquerträgers vertikal gelagert. Die Druckkraft von 2000 kN wird auf einer Seite in den Puffer eingeleitet und auf der anderen Seite ebenso abgeleitet. Zusätzlich wurde das Modell mit einer einfachen Gravitation belastet. Die Randbedingungen sind in BILD 4 gezeigt.
Bewertung / Spannungen
Die Belastung bei diesem Lastfall wirkt statisch. Die berechneten Spannungen für ausgewählte hoch belastete Stellen sind in in den Abbildungen BILD 5 bis BILD 7 dargestellt und in Tabelle 7 zusammengefaßt.
Ergebnis
Die maximale Spannung im Lastfall 1 trat im Untergurt des Kopfquerträgers auf. Die Sicherheit beträgt an dieser Stelle S=1.16. Der Bereich mit hoher Spannung ist lokal eng begrenzt.
A Querträger is a bogie center plate (when supporting a bogie), or a cross-bearer or stretcher (when supporting an underframe). So what's a Federquerträger? A spring cross member? |
|  Marcus MalabadKudoZ activityQuestions: 933 ( 1 open) ( 7 without valid answers) ( 1 closed without grading) Answers: 2033
Canada
| | Local time: 04:46
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| | spring hanger or spring plank? | Explanation:
See also the excellent diagrams.
Returning to the primary suspension design, we see that the laminated axlebox spring is fitted with two "spring hangers" attached to the outer ends of the longest spring plate. Each hanger passes through a hole in a bracket attached to the bogie frame and is screwed into another bracket at the bottom end. Between the two brackets is a steel or rubber spring. The weight of the bogie on the axlebox is transmitted through the steel laminated spring and the two spring hangers. Each spring hanger and its associated spring carries 1/16th of the total car weight. The height of the bogie relative to the rail level could be adjusted by using the screwed spring hangers. The adjustment allowed for small variations in wheel diameter.
Plate Frame Bogie Secondary Suspension
The secondary suspension of the bogie is mounted crosswise (transversely) in the centre. End on, it looks as shown below:
The bogie has a pair of transverse members called "transoms". They are rivetted or welded (depending on the design) to the bogie side frames. A steel "swing link" is hung from each end of each transom and a spring plank is laid across the bogie between them. A side view of the bigie below shows the way the spring plank is supported by the swing links.
The spring plank rests on bearer rods suspended between the swing links. This arrangement allows the spring plank to rock from side to side and it will act in opposition to sideways movement of the bogie frame. The spring plank, as its name suggests, carries springs, as shown in the next diagram.
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| Selected response from:
Kim Metzger
Mexico
Local time: 03:46
| Grading comment | 4 KudoZ points were awarded for this answer |
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| Discussion entries: 0 |
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| Changes made by editors |
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| Oct 30, 2007 - Changes made by Steffen Walter: | | Edited KOG entry | Kim Metzger's old entry - "Federquerträger" => "spring hanger or spring plank?" | | Oct 30, 2007 - Changes made by Steffen Walter: | | Field (specific) | (none) => Transport / Transportation / Shipping |
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