| 摘要 |
<p>This invention relates to a adjustable bearing, particularly to a adjustable bearing used for the elevated road girder, the railcar track girder, and the magnetic suspension track girder, which comprises a upper plate (1), a footstock (2), a ball-pivot (3), a screw bolt (4), a locknut (5), a lockscrew (52), a screw bolt base (6) and a base plate (7). The bearing may be steplessly regulated in vertical or cross direction.</p> |
