Hook rotation is related to the following factors

- Jul 20, 2017 -

(1) The larger the crane, the higher the lifting height, that is, the longer the hanging arm top pulley group and the hook between the wire rope, the greater the possibility of the hook rotation;

(2) The hook wire rope wears around the singular match to make the hook rotation easily, and the wire rope matching number is less, the possibility of the hook rotation is greater;

(3) The greater the weight of the single wire rope, the greater the possibility of the hook rotation;

(4) The larger the size of the hook assembly and the smaller the size of the pulley, the greater the possibility of the hook rotation;

(5) The speed of the operation hoist is not smooth, especially when the weight is off, the possibility of the hook rotation increases.