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Pulley Block
How to choose and use a pulley block?
How to choose and use a pulley block?
Selection
Choose the correct type and size. The appropriate type and model should be selected according to the tonnage of the actual weight to be hoisted.
Note the diameter of the
pulley.
Because the pulley is to be used with the wire rope, it is necessary to select a suitable pulley according to the diameter of the wire rope to ensure smooth operation.
Appearance. Check the parts of the pulley for wear, burrs and oysters on the surface.
Check the instructions, certificate of manufacture, date and other proofs of the pulley.
Application
Carefully check the details of the hook and the pulley before use, and carry out the construction work in a safe, wear-free, rust-free state.
Look at the condition of the stuck of rope and other frictions.
Try not to work under harsh conditions.
When the pulley is in use, it must be overloaded according to the standard lifting weight.
The pulley should be oiled in time and maintained in time to avoid rust and wear.
When the pulley is disassembled and repaired, the parts need to be scrubbed with gasoline.
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