The standard for the use of running chain hoists encompasses various aspects to ensure safe and efficient operations. Here are the key points to consider:

Pre-operation Checks

Visual Inspection: Conduct a thorough visual inspection of all components, including chains, hooks, and lifting ropes, to ensure they are intact and reliable.

Load Capacity Verification: Verify the rated load capacity of the chain hoist before use and ensure that the actual load does not exceed this limit.

Operating Area Safety: Ensure the operating area is clear of obstacles and hazards, and prevent other personnel from entering the area under the lifted load or the operating area.

Operator Qualifications

Training and Certification: Operators must undergo specialized training and hold relevant qualification certificates.

Personal Protective Equipment (PPE): Operators must wear PPE, including safety helmets, safety shoes, and gloves, during operations.

Operating Procedures

Chain Preparation: Before starting the machine, straighten the lifting chain and avoid using it in a twisted or knotted state.

Hooking and Lifting:

Ensure the lifting hook is securely hooked to the lifting ring.

Operate the electric hoist to lift the load slightly (about 2 centimeters above the equipment) and check for interference.

Confirm that the load is completely detached from the equipment before lifting it to a suitable height.

Translate the load horizontally to the desired location using the electric hoist.

Lower the load gently onto the pallet and remove the lifting chain and hook to complete the lifting operation.

Load Stability:

Ensure the lifting point of the crane hook and the center of gravity of the load are as close as possible to the same vertical line to maintain stability and balance during lifting.

Avoid lifting loads in an unbalanced state and do not exceed the limit position when lifting or lowering heavy objects.

Prevent sudden reverse operations; ensure the motor has completely stopped before reversing.

Emergency Handling:

In emergency situations, such as chain hoist failure, load slippage, or accidents in the operating area, operators must immediately stop operations, issue warnings to others, and follow emergency response plans.

Report emergencies to superiors and relevant departments promptly.

Post-operation Procedures

Equipment Return and Maintenance: After use, return the chain hoist to its designated position and perform necessary maintenance and inspections.

Storage: Store the lifting chain on a dedicated stand, avoiding direct contact with the ground. Ensure the storage area is clean, dry, and free of corrosive atmospheres.

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