L46A1 Mast Section control the hook hook not to shake left and right after the tower boom stops running
This requires that the tower crane can see the center of gravity of the hook and use the operation to borrow the external force. Arm!
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Basically the same principle as the car, if the hook is hooked to the left, you will follow the past(there is a delay, you must follow it a little earlier) and immediately fight back to the top of the suspension. When the arm is facing the suspension, As long as you can stabilize the upper arm can, no more than a few times; Practice.
Rookie operation tower crane, must be the main stability. As long as maintain a smooth departure from the ground, coupled with a clear operational process, the above problems will not occur. At first it is inevitable to open a little shake, with the time of training, I believe that you will naturally find the dead body.
L46A1 Mast Section L46A1 mast section is the best in this field
