May gantry crane maintenance content

1 orbit
      (A) single girder hoist gantry crane  operation within the operating range obstructions within buildings and other equipment with a minimum spacing should be not less than 100mm
      (2) the end of the stopper rail and connecting bolts or welds. Rail end stop not allowed to have deformation, damage and other defects, which can not be loosened bolts. Seam welded connections shall not have cracks.
      (3) fixed rail connecting bolts, bolt without loosening.
2 button device
      (A) single girder bridge gantry crane  button appearance and insulation may not have damage.
      (2) Cable upper and lower ends fixed to be solid and reliable not damaged, broken or defective, shall ensure that insulation.
3 hook device
      (1) Visually single girder hook gantry crane hook must not have cracks, abnormal wear and hook mouth abnormal deformation.
      (2) Bearing rotation should be flexible and smooth.
      (3) hook nut locking device may not be loosened.
      (4) Pulley grooves must abnormal wear, rim complete and no damage.
4, the appearance of the pulley housing shall wear, gear shaft panels, stalls circle and off without loosening the hook mouth locking device should be normal.
5. Rope
      (A) each rope end is fixed to the end of a fixed rope status should be solid and reliable, without exception.
      (2) single girder  overhead gantry crane  may not have the appearance of kinks, burns and obvious loose, corrosion and other defects, ropes proper grease.