Method for tamping ballast supporting track ties
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United States of America Patent
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N/A
Issued Date -
May 4, 2006
app pub date -
Oct 21, 2005
filing date -
Oct 29, 2004
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a method for tamping ballast supporting sequentially arranged ties of a track extending in a longitudinal direction, which comprises a tamping cycle at each one of the ties, the tamping cycle comprises lowering a tamping head carrying tamping tools hydraulicallly reciprocable in the longitudinal direction to immerse the tamping tools in the ballast, reciprocating the tamping tools to tamp the ballast, vibrating the tamping tools in a first tamping cycle phase, discontinuing vibration of the tamping tools in a second tamping cycle phase, raising the tamping head to lift the tamping tools out of the ballast, and moving the tamping head from tie to tie.
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