Introduction: The electric bridge crane is one of the cranes most used by users, so the user is concerned with the maintenance of the crane. The user's reasonable operation and maintenance can improve the crane's working efficiency, safe service life, the user can according to the crane body. Structure, regular maintenance, can basically refer to the following points: 1. Electric single-girder bridge cranes, mainly consisting of main beams, end beams and electric hoists. The operation part is: the operation of the cart, the operation of the electric hoist, the usual maintenance is mainly whether the large and small vehicles are running well, whether there are slip hooks, the brake is not tight, the electrical parts are normal, and the wearing parts of the single-beam crane are mainly guided. Rope, wire rope, limit switch, fire limiter, slide wire receiver.
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2. Check whether each fastening piece, bolt, nut, and fastener are loosened, adjust the axial movement of the motor, and if there is any abnormality in the noise and vibration of the motor, check whether the wire rope is broken and do a good job of lubricating the wire rope.
3. Check whether there is crack in the hook (the wear amount of the section is greater than or equal to 10% of the original size) (the increase in the size of the opening degree is greater than or equal to 15% of the original size) The torsion deformation of the hook is greater than or equal to 100% Tenth, if one of the above situations occurs, the hook should be replaced.
4, the electrical part, to regularly check the power line, the control line should be no wear and tear, good grounding, electrical contact points without loosening off the phenomenon, check the cart, the car's trip switch, fire stop limiter is malfunctioning, Change frequently, each function button of each operation button should work normally.
5. Other appearance parts, check the electric control motor, can not have the phenomenon of lack of shell, no abnormal sound type odor when the equipment is in normal operation, ensure that the car running reducer, electric hoist hoist reducer, can not be short of oil (Calcium base Lubricants GB491).
6. Electric single-girder bridge cranes are special equipment. Users are required to carry out maintenance and regular maintenance to ensure normal operation of the equipment.
