Common Fault Diagnosis and Quick Solutions for Explosion-Proof Overhead Cranes

2025-08-20

Common Fault Diagnosis and Quick Solutions for Explosion-Proof Overhead Cranes


In the hazardous environments of industrial production, explosion - proof overhead cranes play a crucial role. Together with overhead cranes and explosion - proof cranes, they form an important equipment system for lifting operations. Since explosion - proof overhead cranes work in flammable and explosive places, their faults can not only affect production efficiency but also may lead to safety accidents. The following will introduce the common faults, diagnosis methods and quick solutions of explosion - proof overhead cranes, and also involve some similar situations of overhead cranes and explosion - proof cranes.


Explosion - proof overhead cranes


Common Faults of Mechanical System

  • Motor Faults

The motors of explosion - proof overhead cranes often have problems such as failure to operate or abnormal operation. If the motor does not run, it may be that the power supply is not connected. You can check the power switch and line connections. When the motor of an overhead crane does not run, you can also do this check first. If the motor makes abnormal noise and heats up during operation, the bearing may be damaged and needs to be replaced. The replacement of the motor bearing of an explosion - proof crane must comply with explosion - proof standards.

  • Reducer Faults

Abnormal noise from the reducer is a common problem. The abnormal noise from the reducer of an explosion - proof overhead crane may be due to gear wear or insufficient lubrication. Open it to check the gear condition and add or replace appropriate lubricating oil, which is similar to the maintenance of the reducer of an overhead crane. If the reducer leaks oil, it is mostly due to the aging of the seal, and the seal can be replaced. The replacement of the reducer seal of an explosion - proof crane must ensure that its explosion - proof performance is not affected.

  • Wheel Faults

The wheels of explosion - proof overhead cranes may have rail gnawing phenomenon, which may be caused by the installation deviation of the wheels. The wheel position needs to be adjusted. Overhead cranes also often encounter such problems, and the adjustment methods are similar. If the wheel rotation is inflexible, it may be due to bearing jamming. The bearing should be cleaned and grease should be added. More attention should be paid to the maintenance of the wheels of explosion - proof cranes.


explosion - proof cranes


Common Faults of Electrical System

  • Line Faults

A short circuit in the line of an explosion - proof overhead crane will cause the equipment to stop suddenly. A multimeter can be used to detect and repair the short circuit point. The troubleshooting method for line faults of overhead cranes is similar. Line aging will cause poor contact, and the aging line needs to be replaced. The line replacement of an explosion - proof crane must use wires that meet the explosion - proof requirements.

  • Explosion - Proof Switch Faults

The failure of the explosion - proof switch will affect the normal operation of the equipment. It may be due to the damage of internal parts, and the corresponding parts need to be replaced, which is a common fault handling method for the electrical system of explosion - proof cranes. Poor contact of the switch can be cleaned and adjusted to ensure that its explosion - proof performance is not damaged.

  • Control System Faults

A fault in the control system will make the explosion - proof overhead crane inoperable. Check whether the control module is normal. If it is damaged, it needs to be replaced. The troubleshooting of the control system of an overhead crane also needs to check the relevant modules. At the same time, check whether the sensor is sensitive and calibrate or replace it in time.


overhead cranes


Precautions for Fault Diagnosis and Resolution

  • When diagnosing and solving faults of explosion - proof overhead cranes, it is necessary to strictly abide by the explosion - proof requirements to avoid safety accidents caused by improper operation. For the fault handling of overhead cranes and explosion - proof cranes, corresponding measures should also be taken according to their respective characteristics. Regular maintenance of the equipment can effectively reduce the occurrence of faults and improve the service life and operation efficiency of the equipment.

  • In conclusion, understanding the common faults and solutions of explosion - proof overhead cranes, overhead cranes and explosion - proof cranes is of great significance to ensure the smooth progress of industrial production. In actual operation, it is necessary to accurately judge the cause of the fault according to the specific situation and take effective solutions to ensure the safe and stable operation of the equipment.


Explosion - proof overhead cranes


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