Chain breakage in coal mine hydraulic hoists poses significant hazards, which can have severe consequences for both personnel and equipment. Here are some of the primary hazards associated with chain breakage:

1. Safety Risks to Personnel

Injury and Fatalities: If a chain breaks during operation, it can cause heavy loads to fall unexpectedly, posing a risk of injury or even fatalities to workers in the vicinity.

Trapped or Compressed Personnel: Broken chains may lead to equipment malfunction, potentially trapping or compressing workers who are operating or nearby the hoist.

2. Equipment Damage

Hoist Malfunction: Chain breakage can cause the hoist to malfunction, leading to potential damage to the hoist itself and other associated equipment.

Production Interruptions: Equipment damage due to chain breakage often results in production interruptions, which can cause significant financial losses for the mine.

3. Environmental and Operational Hazards

Material Spillage: A broken chain may cause the load being transported to spill or scatter, potentially damaging the mine environment and creating hazards for other equipment and personnel.

Fire and Explosion Risks: In extreme cases, if the chain breaks and sparks are generated, it could ignite flammable materials in the mine, leading to fire or explosion.

4. Regulatory and Legal Consequences

Compliance Issues: Chain breakage may indicate a failure to comply with mine safety regulations, which could lead to legal consequences and fines.

Liability Risks: Mines may face liability risks if personnel are injured or killed due to chain breakage, leading to potential legal disputes and compensation claims.

Preventive Measures

To mitigate the hazards associated with chain breakage in coal mine hydraulic hoists, mines should:

Conduct regular inspections and maintenance of the hoist and chain to identify and fix potential issues early.

Use high-quality chains that meet or exceed industry standards and regulations.

Implement safety protocols and training programs to ensure that personnel are aware of the risks associated with chain breakage and know how to respond in case of an emergency.

Monitor the operational load and stress on the chain to prevent overloading and excessive wear.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment