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Operation of grab bucket

Operation of grab bucket

1. grab opening operation: lifting and opening and closing at the same time drop to the appropriate position, stop lifting, falling, opening and closing continues to decline, grab gradually open, complete the opening action.

2. closed grab operation: open and close the drum as the lifting operation, grab the upper pulley block does not move, the lower pulley for moving up to grab the claw cross collide, closed grab completed. During the closing process, the hoisting drum is properly lifted so that the lifting rope does not droop.

3. the ascending and descending operation of the grab bucket: the grab can either ascend or descend when it is open or closed. In operation, the lifting and closing drums must be carried out simultaneously.