How to check the cracks of the bridge crane?

The steel components of the bridge crane simply cracked after being used for a long time. Bridge cranes are prone to cracks and how to check them to avoid crane cracks causing operational accidents.
This is repair and maintenance. based on the pre-estimable items of the external signs of each organization or assembly of the crane, the repair work is organized intensively. Its purpose is to eliminate the natural wear and tear of certain parts and the partial loss due to improper operation and improper protection. Minor repairs are repairs or replacements of general parts.

Overhead cranes are frequently used and have a large workload. The main beam and other components are stressed for a long time, and they simply show fatigue cracks. There are often cracks at the connection between the main beam and the end beam, the lower part of the end beam and the support. once these cracks occur, if they are not dealt with in time, they will continue to spread and cause incidents. Of course, corrosion can also cause cracks near the main girder of the bridge crane.

This is a balance correction. Aiming at the imbalance in the skill status between the various organizations of the crane. Intermediate repair balance can be used to extend the repair process and save repair costs. only part of the organization or parts can be disassembled. Most organizations perform maintenance based on external symptoms. The motors, speed reducers and rotating parts of lifting tissue, rotating tissue, and luffing tissue are generally the main components of disassembly repair or replacement. Maintenance operation organization, welding or paint repair of metal structures.

Compared with single-girder cranes, bridge cranes such as grab-type bridge cranes are more likely to show cracks, because such cranes have a large operating load, which fundamentally exceeds the planned operating level. Therefore, when detecting the cracks of such bridge cranes, it is necessary to remove the dirt on and around the components and remove the protective layer. If you have difficulty, you can use non-destructive testing equipment. Because there are simple cracks near the end beams, carefully check for cracks when crossing, and pay attention to safety. Controlling and detecting the cracks of bridge cranes is very important to the safe operation of cranes.

Crane repair is a kind of rehabilitation repair. According to the required repair distance, after the skill appraisal is qualified, the repair work is organized in a planned way. After an overhaul, the original skills and functions of the machine should be restored.