| 摘要 |
PURPOSE: A movable bearing of a bridge is provided to prevent the discharge of environmental pollutants, and to improve productivity by making precise and systematic product control possible. CONSTITUTION: The movable bearing of a bridge comprises a plane osculating-lubricating plate installed on an osculating plane of an upper seat(2) fixed on the lower part of a floor slab, a hard chromium plating layer covered on the surface of an osculating curved surface(7) of a lower seat(6) fixed on a pier, a bearing plate(9) fitted with a sealing(10) and contacted with the plane osculating-lubricating plate, and a curve osculating-lubricating plate(11) fixed on the osculating curved surface(7) of the lower seat(6).
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