How to control how to keep the hook from swinging when the crane boom rotates, that is to say, how to operate if it swings left and right to make the hook flatten gradually during the rotation. ...

Take the tower crane as an example to operate the crane: the relay switch can adjust the speed according to the scale. When the tower arm rotates too fast, the weight will swing upward. When this happens, just slow down the speed of the rotating arm. Generally speaking, driving, taking off and landing, getting on and off, and turning arms are all synchronous. Practice more.