| 摘要 |
<p>The present invention relates to a vertical tolerance adjustment device of a crane, comprising: a cantilever fixated to a girder in a vertical manner; a core member fixated to the top of the cantilever; a runway beam fixated to the top of the core member; and a rail fixated to the top of the runway beam to fixate the core member to adjust the height to the top horizontal shape of a steel. Therefore, work in high places can be reduced, thus reducing accidents caused by working in high places.</p> |
