The applicable plans for explosion-proof electric hoists mainly involve regular maintenance, safety operation procedures, and environmental adaptation measures to ensure their safe and reliable operation in hazardous environments. Here are the key plans:

1. Regular Maintenance Plan

Daily Inspection: Before each use, check the power supply, electrical components, mechanical parts, and explosion-proof integrity. Ensure all parts are in good condition and there are no signs of damage or wear.

Weekly/Monthly Maintenance: Focus on lubrication, brake system adjustment, electrical connection tightening, and limit switch testing. Lubricate moving parts regularly to prevent wear and tear.

Quarterly/Semi-Annual Maintenance: Conduct load testing, motor and gearbox inspection, explosion-proof enclosure integrity check, and wiring and terminal inspection. Replace worn or damaged parts promptly.

Annual Maintenance: Perform a complete overhaul, including disassembly, cleaning, replacement of critical parts, and re-certification by qualified explosion-proof experts.

2. Safety Operation Procedures

Operator Training: Ensure operators are trained and familiar with the hoist's performance, structure, and safety knowledge. Operators must hold valid explosion-proof operation certificates and wear appropriate personal protective equipment.

Pre-Operation Check: Before each use, check the hoist's components, cables, control buttons, and lifting hooks for any abnormalities. Ensure the lifting area is clear of obstacles.

Safe Lifting Practices: Do not exceed the rated load capacity. Keep a safe distance from the lifted object during operation. Do not tilt the load or use the hoist as a horizontal dragging tool.

Emergency Measures: Familiarize operators with emergency procedures and escape routes. In case of an accident or abnormality, immediately stop the hoist and take appropriate measures.

3. Environmental Adaptation Measures

Temperature and Humidity Control: Store and operate the hoist in a dry, temperature-controlled environment. Use desiccant packs in the enclosure if operating in humid conditions to prevent condensation.

Corrosion Protection: Apply anti-corrosion coatings to exposed metal parts. Use stainless steel or galvanized components in saline or corrosive environments.

Dust and Debris Prevention: Regularly clean the hoist's components to prevent dust and debris accumulation. Use non-corrosive solvents for cleaning.

4. Record-Keeping and Compliance

Maintenance Logs: Document all inspections, repairs, and replacements. Include dates, parts used, and technician names.

Spare Parts Inventory: Maintain an inventory of critical spare parts for quick repairs.

Regulatory Compliance: Follow local explosion-proof regulations and standards. Schedule periodic audits by safety inspectors to ensure compliance.

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