| 摘要 |
The method involves operating the actuators in a determined automatic sequence corresponding to the selected unfolding and folding procedure. The actuators are used for folding and unfolding the tower crane. The operation of the sequence is controlled, by detecting the arrival of the mast (5) to a predetermined position. An Independent claim is also included for a device for the safe command and control of the unfolding and folding of the tower crane. |
