| 摘要 |
The present invention relates to a crane track structure comprising a girder (101), wherein a portion of the girder (101) forms a runway providing at least one surface for at least one tyre of a trolley (107). The trolley is arranged to travel at least partly within the girder (101), and the said portion of the girder (101) further comprising at least one cavity (301) running at least partly along the length of the girder (101). The crane track structure further comprises at least one supporting means (305) arranged in the at least one cavity (301). The invention also relates to a crane comprising such a crane track structure. |
