Wall crane is fixed to the wall cantilever crane, or may be along the wall or other support structure on the elevated track running cantilever crane.
壁上起重机是固定在墙壁上的悬臂起重机，或者可沿墙上或其他支承结构上的高架轨道运行的悬臂起重机。
2
To walk after fixed tower crane should remain ontrack, such as fixed position in backfill soil, the foundation for special treatment, must meet the load requirements.
先行走后固定塔吊应立于轨道上，如后固定位置处于回填土上时，其基础作特殊处理，必须满足承载要求。
3
The optimal design has been made of the general drive-ratio of the rising mechanism of 160T trackcrane. ln the course of the design , a random-optimal method is used and run on the IBM-386 computer.