The electrical equipment of a Single Beam Crane requires a series of protective measures to ensure its safe and stable operation. Here are eight key electrical equipment protection measures:

1、 Electrical isolation and grounding protection

Electrical isolation: Install isolation devices, such as isolating switches or circuit breakers, in electrical systems to cut off power during maintenance and prevent accidental electric shock.

Grounding protection: Ensure that all electrical equipment enclosures and metal structures are reliably grounded to prevent electric shock or fire accidents caused by electrical faults.

2、 Overload and short circuit protection

Overload protection: Install overload relays or thermal relays in electrical systems to automatically cut off power when the current exceeds the rated value, preventing electrical equipment from being damaged due to overload.

Short circuit protection: Install short circuit protection devices, such as fuses or circuit breakers, to quickly cut off power in the event of a short circuit in the electrical system, preventing short circuit currents from causing harm to equipment and personnel.

3、 Under voltage and under voltage protection

Undervoltage protection: When the power supply voltage drops below the allowable range, the undervoltage protection device should automatically cut off the power supply to prevent electrical equipment from running at low voltage and causing damage.

Voltage loss protection: When the power supply voltage suddenly disappears, the voltage loss protection device should ensure that the electrical equipment will not automatically start, preventing safety accidents caused by sudden power supply.

4、 Lightning protection and surge protection

Lightning protection: Install lightning rods or lightning strips at high places on cranes, and install lightning arresters in electrical systems to prevent lightning damage to electrical equipment.

Surge protection: Install surge protectors at the entrance of the electrical system to prevent damage to electrical equipment caused by surge voltage generated by grid fluctuations or lightning strikes.

5、 Dust and moisture protection

Dust protection: Electrical equipment is protected by dust covers, dust boxes, and other devices to prevent dust from entering the electrical system and causing malfunctions.

Moisture protection: Use moisture-proof agents or dehumidifiers in humid environments, and use electrical equipment with good sealing to prevent moisture from corroding electrical equipment.

6、 Temperature monitoring and heat dissipation protection

Temperature monitoring: Install temperature sensors in the electrical system to monitor the temperature of electrical equipment in real time and prevent malfunctions caused by overheating.

Heat dissipation protection: Ensure that the heat dissipation devices of electrical equipment (such as fans, radiators, etc.) are working properly, and layout electrical equipment reasonably to improve heat dissipation efficiency.

7、 Regular maintenance and inspection

Regular inspection: Regularly inspect the operating status of electrical equipment, including wiring, insulation, grounding, etc., to ensure the normal operation of electrical equipment.

Regular maintenance: Regular maintenance of electrical equipment, including cleaning, fastening, lubrication, etc., to extend the service life of electrical equipment.

8、 Personnel training and operational standards

Personnel training: Conduct regular electrical equipment safety training for operators to enhance their safety awareness and operational skills.

Operating standards: Develop and strictly implement operating procedures for electrical equipment to prevent safety accidents caused by misoperation.

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