The maintenance of overhead cranes mainly includes daily inspection, monthly inspection and annual inspection. This can be determined according to the frequency of use of the crane.
- The general daily inspection is completed by the operator, mainly to check whether the control system of the overhead crane is faulty, whether there are hidden dangers in the metal structure, the protection device, and the working mechanism and operating mechanism are normal.
- The monthly inspection is relatively to be a comparative inspection, such as whether the electrical control system has any electrical components loose, whether the lubrication points of the overhead crane need to be lubricated, whether the protection devices are sensitive and effective, etc., find potential hazards in a timely manner and do a good job Inspection and maintenance records.
- The annual inspection focuses on the performance of the crane on the basis of daily and monthly inspections, inspects the electrical components and cables of the crane for aging, and replaces vulnerable parts such as wire ropes and brake pads. Whether the metal structure has permanent plastic deformation, whether the track is worn or not, etc. need to be carefully investigated.