Steel structure repair
Main beam/end beam correction: Detect deformation, cracking or deflection, and use flame correction or mechanical correction to restore accuracy.
Weld repair: Repair cracks, pores and other defects to ensure welding strength.
Bolt tightening: Check the preload of high-strength bolts and replace loose or rusted bolts.
Lifting mechanism maintenance
Wire rope replacement: Check wire breakage and wear, and replace wire rope with a safety factor.
Pulley block maintenance: Replace worn pulleys and bearings to ensure rope groove matching.
Drum inspection: Check drum rope groove wear and cracks, and repair or replace if necessary.
Running mechanism maintenance
Wheel block adjustment: Check wheel rim wear and rail gnawing, and adjust wheel parallelism.
Track maintenance: Correct track straightness and horizontality, and tighten pressure plate bolts.
Reducer maintenance: Replace lubricating oil and repair gear wear or oil leakage.
