Rail tie having embedded automatic differential settlement compensation apparatus using oil pressure for railroad tracks
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United States of America Patent
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Nov 27, 2018
Grant Date -
Jan 12, 2017
app pub date -
Dec 4, 2014
filing date -
Feb 25, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
By supporting a space generated by a settlement of the track bed gravel or asphalt roadbed underneath a concrete rail tie with cylindrical rods, and installing the present invention, one each separately, on the left and right sides of the concrete rail tie, recovery from settlements is automatic, and the response to differential settlements of the left and right rails of the track due to the train load can be easily facilitated, and by installing pressure reducing valves on the upper part of the concrete rail ties, pressure can be reduced while maintaining the track system as is without having to dismantle the concrete rail ties, and accordingly the usability of the concrete rail ties can be improved.
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