General overhead crane operation inspection
Carefully abide by the safety technical operation procedures of the crane and strictly implement the relevant rules and regulations for the safe operation of the crane, such as the handover system of the crane operator, the lubrication system of the crane and the maintenance system of the crane. Carry out regular inspection and maintenance of the crane. Regular inspection includes three types: weekly inspection, monthly inspection and semi-annual inspection. According to the specific conditions of each unit, a temporary equipment inspection team composed of crane operators, equipment personnel, team leaders, etc. can also be formed to conduct random inspections. Weekly inspections can generally be carried out every Friday. Problems found during the inspection should be repaired immediately. For problems that the crane operator cannot handle by himself, the inspection team should prepare on Saturday and use Sunday for repairs. Monthly inspections and semi-annual inspections can be carried out at the same time as the weekly inspection time in the first week of each month or half a year.
Weekly inspection contents of overhead cranes
1.Contact and corrosion of contactor controller contacts.
2.Wear of brake bands.
3.Connection of coupling keys and tightening of bolts.
4. Wear of wire ropes used for more than half a year.
5.Hoisting mechanism with double brakes, the braking torque of each brake.
Monthly inspection contents of overhead cranes
1.The tightening condition of the screws of the motor, reducer, bearing support, angle bearing box and other bases and the wear condition of the motor carbon brushes.
2.The tightening condition of the wire rope pressure plate screws, and the wear and lubrication condition of three or more wire ropes.
3.The wear condition of the wire insulation layer at the pipe mouth.
4.The lubrication condition of the shafts of each limit switch.
5.The amount of lubricating oil in the reducer.
6.The wear condition of the wire rope at the balance wheel.
Inspection contents of overhead cranes every six months
1.The tightness of control panels, protection boxes, controllers, resistors, and various terminal blocks and terminal screws.
2.The tightness of end beam screws.
3.The lubrication of brake electromagnet cylinders and the oil quantity and quality of hydraulic brake electromagnets.
4.The insulation condition of all electrical equipment.
