File:Steam locomotive work.gif
Steam_locomotive_work.gif (491 × 222 pixels, file size: 87 KB, MIME type: image/gif, looped, 8 frames, 0.8 s)
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Summary
[edit]DescriptionSteam locomotive work.gif |
English: Steam locomotive wheels, valve & engine animation.
Walschaerts valve gear (mechanism for moving the valve in a steam engine). Item 2 is a crank outside of the main crankpin. Its "timing" is a quarter turn away from the power crankpin. This provides the main force to move the valve. Item 1 is pivoted (little dot, just below the callout arrow) to the frame (light gray) in the middle, so it rocks back and forth. It has a groove (inside; not shown) along its length, which carries a sliding block, pivoted on the left end of link 3. The engineer moves pushrod 8 left and right to move link 3 up and down. If the link is below center, the engine moves backwards. If the link is near to the center, steam is conserved for ordinary running when up to speed. The short link below the numeral 3 (not the arrow) that seems to point up into the air "from the wheel edge" is pivoted on the frame (not shown) at its upper end. It supports the rest of the links below it. The right end of link 3, therefore, doesn't move up and down much; its sidewise motion operates the valve. Item 4 is the crosshead, the sliding piece that guides the piston rod. (Callout 4 also points to a link that improves valve timing.) Note the typically-European piston rod -- it's very long, and unlike American (and some other) designs, it extends out front (to the right). The other types of locos. don't have any piston rod to the right side of the piston. Item 5 is the pivot where the main connecting rod (long groove. shown, to make it lighter) connects to the crosshead. Item 6 is the cylinder and valve block. Pinkish color is steam from the boiler. Exhaust is white. The valve is a pair of black vertical stripes, connected together. (It's shaped something like a spool.) As shown (without animation), steam is going into the right side of the cylinder (Item 7), pushing the piston to the left. The piston rod pushes the crosshead, which pushes the main connecting rod. (The piston is in the middle of the cylinder. Unlike pistons in internal-combustion engines, steam pistons are discs.)Deutsch: Heusinger- oder Walschaert-Steuerung
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Source | Drawn by Panther using Corel Draw & Adobe Image Ready. The idea was taken from the book about 1-3-1 «Russian Prairie» «C» series locomotives by A.S. Nikolskiy, Moscow, 1997 (1-3-1 is in Russian notation, calculated by wheel pairs) | ||||||||
Author | Panther | ||||||||
Permission (Reusing this file) |
I, the copyright holder of this work, hereby publish it under the following licenses:
This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic, 2.0 Generic and 1.0 Generic license.
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Awards
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This image was selected as picture of the day on Wikimedia Commons for 14 March 2006. It was captioned as follows: English: Steam locomotive work Other languages:
Alemannisch: Ä Dampflokomotiv bie de Ärbet Čeština: Animace parní lokomotivy Deutsch: Die Arbeitsweise der Dampflokomotive English: Steam locomotive work Español: Funcionamiento de una locomotora de vapor Français : Fonctionnement d'une locomotive à vapeur Italiano: Funzionamento di una locomotiva a vapore Lëtzebuergesch: Aarbechtsmanéier vun enger Damplokomotiv. Magyar: Gőzmozdony Norsk nynorsk: Animasjon av damplokomotiv. Polski: Animacja obrazująca zasadę działania lokomotywy parowej. Português: Animação duma locomotiva a vapor a trabalhar Suomi: Höyryveturi toiminnassa. Български: Анимация на парен локомотив Русский: Принцип работы паровоза ગુજરાતી : વરાળ યંત્ર થી ચાલતી ટ્રેઇન ની કાર્ય રચના 日本語: 蒸気機関車の作動原理 中文: 蒸汽机车运行原理图 |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 02:25, 22 April 2014 | 491 × 222 (87 KB) | Capmo (talk | contribs) | Reverted to version as of 16:59, 20 April 2005 - faster is better for seeing how it works | |
13:20, 3 June 2006 | 491 × 222 (85 KB) | JeLuF (talk | contribs) | Reupload, trying to force rerendering of thumbnails | ||
15:20, 25 January 2006 | No thumbnail | (85 KB) | Ed g2s (talk | contribs) | Much slower | |
16:59, 20 April 2005 | 491 × 222 (87 KB) | Panther (talk | contribs) | Steam locomotive wheels animation {{cc-nc}} Category:Steam locomotive parts |
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