Technology
and safety

Safety inspection of the track: check the track, bolts and splints for cracks, looseness and corrosion. If cracks are found, they should be replaced in time, and if there are other defects, they should be repaired in time. The main inspection tool is a line track flaw detector.

Technology
and safety
  • The linearity of the track can be checked by drawing a steel wire, that is, a 0.5mm steel wire is pulled on the two gears of the track, and then measured point by point by the method of a plumb hammer. The interval between the measuring points can be about 2m.
  • The elevation of the track can be measured with a spirit level.
  • The span of the track can be checked with a steel tape measure or an infrared measuring instrument. The allowable deviation of the bridge crane gauge is ±5mm; the longitudinal inclination of the track is 1/1500, and the allowable deviation of the relative elevation of the two tracks is 10mm.
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