Gantry cranes at work matters needing attention

 Gantry cranes at work matters needing attention:
     1, gantry crane lifting weights first class (or the load reaches the maximum weight) should be hanging height of 0.5 meters from the ground after the heavy down again, check the brake performance is indeed acknowledged on the list, then normal homework.
     2, the operator of the  gantry crane  homework, homework should be delineated on the following sound the alarm bell. (A) lifting, landing weight; starting big car when driving; (2) gantry crane with clear line of sight through, to continuously-ringing alarm; (3) eot crane  with close cross inside another crane. (4) when lifting heavy objects close to the people.
     3, the operation should be run in the unified command signal delineated.
     4, work in a power outage, should handle all of the crane controller placed in the "zero" position should be checked prior to re-work the crane movement is normal.
     5, large gantry crane, dolly in the normal homework, is strictly prohibited to open anti-vehicle parking brake; transform large trolley movement direction, the handle must be placed in the "zero" position, the agency completely stopped after the operation in order to reverse drive.
    6, there are two hook gantry  bridge crane ,  in the main, auxiliary hook for hook height with time as well as two similar, main and auxiliary hook homework alone must avoid two hooks collision.