| 摘要 |
PURPOSE: An apparatus for fixing the extensometer of a track is provided to precisely measure the displacement of a rail or a sleeper. CONSTITUTION: An apparatus for fixing the extensometer of a track comprises an extensometer(210), a support shaft(220), a connection bar(230), a cap(240), a shake prevention device(250), and a magnet(260). The extensometer measures the displacement according to the settlement of a sleeper and a rail. The support shaft is embedded on the roadbed of the outside of the rail and sleeper. The connection bar connects the extensometer and the support shaft. The cap is detachably coupled with the upper end of the support shaft. The cap is connected to one end of the connection bar and adjusts the horizontal position of the extensometer.
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