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How to do gantry crane maintenance

by:Powerston     2021-04-07
maintenance should be checked, repaired and maintained frequently. The transmission part should have enough lubricating oil. The wearing parts must be checked, repaired or replaced frequently. For mechanical bolts, especially parts that frequently vibrate, such as the body connecting bolts should be checked for looseness. If they are loose, they must be tightened or replaced in time. maintenance should be checked, repaired and maintained frequently. The transmission part should have enough lubricating oil. The wearing parts must be checked, repaired or replaced frequently. For mechanical bolts, especially parts that frequently vibrate, such as the body connecting bolts should be checked for looseness. If they are loose, they must be tightened or replaced in time. 1. Maintenance of mechanical equipment 1. The brakes of each mechanism should be checked and adjusted frequently to ensure flexibility and reliability, and the gap should be between 0.5 and 1.0 mm. There should be no dirt on the friction surface, and the dirt must be washed off with gasoline or thinner; 2. The lubrication of the reduction box, gearbox, external gear and other parts and the hydraulic oil are in accordance with the requirements in the lubrication table Proceed; 3. Pay attention to check the wire rope and loose strands. If it exceeds the relevant regulations, it must be updated immediately. The construction hoist maintenance and maintenance of the steel wire rope should be strictly in accordance with (GB1102-74); 4. Any open gear transmission must have a protective cover. Because the lower part of the walking open gear is exposed, it is necessary to check the cleanliness of the track frequently to make sand, dirt, etc. Do not enter the gear and damage the gear; 5. Always check the connection of each part, if there is looseness, it should be pre-tightened. The connection bolts of the fuselage should be checked for tightness when the fuselage is under pressure; 6. Frequently check whether the various mechanisms are moving normally and whether there is noise. If any fault is found, it must be eliminated in time; 2. Maintenance of the metal structure 1. During transportation Try to prevent component deformation and collision damage; 2. During use, regular inspections and maintenance are required to prevent corrosion; 3. Frequently check structural connection bolts, welds and components for damage, deformation and looseness; 3. Electrical system Maintenance 1. Frequently check all wires and cables for damage, bandage and replace the damaged parts in time; 2. Stop the motor in time when the motor is overheated, and continue to run after troubleshooting, and the motor bearing should be well lubricated; 3. The contact surface of each part of the electric brush should be kept clean, and the pressure of the brush should be adjusted to make the contact area not less than 50%; 4. The control boxes and distribution boxes should always be kept clean, and the dust on the electrical equipment should be cleaned in time; 5. The contact opening and closing of the travel switch of each safety device must be reliable, and the contact crater should be polished in time; 6. The protective grounding resistance should be measured twice a year (spring and autumn) to ensure that it is not more than 4 ohms. Fourth, the lubrication of the crane mechanism The lubrication of the crane mechanism directly affects the normal operation of each mechanism, and has a close relationship with extending the life of the parts and promoting safe production. Therefore, users and maintenance personnel must always check the lubrication conditions of each lubrication point, and add and replace the lubricating grease on time. maintenance is not a simple matter. If there is something wrong with this kind of large machinery, it will not be a small problem. Of course, there is no time for inspection to understand, but it is necessary to stop work for inspection and maintenance when abnormal conditions occur.
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