| 摘要 |
<p>A cradle for lifting pipelines has a base with wheels supporting the pipeline. Lifting arms connect the base to a spreader bar for lifting the base. The lifting arms can have pivotable connections to the base and to the spreader bar. The connection of the lifting arms to the spreader bar can have an adjustable position to accommodate different pipeline sizes. The lifting arms can also have side wheels with adjustable position.</p> |
