| 摘要 |
PURPOSE: A lubrication-free roller base assembly for a railway turnout is provided to easily perform a maintenance work by finely adjusting the horizontal position of a roller assembly. CONSTITUTION: A lubrication-free roller base assembly for a railway turnout comprises a base(100) and a roller assembly(200). The roller assembly is installed on the base and comprises a roller(220), a roller bracket(210), a nut(240), and a bolt(230). The roller bracket supports the roller. The nut is installed on the roller bracket. The bolt is arranged in the width direction of the base and coupled to the nut.
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