Pulley with locking assemblies
A pulley with locking assemblies is a conveyor pulley designed to securely attach to the shaft without requiring keyways, set screws, or welding. The locking assembly (also known as a shaft locking device or QD/Locking Hub) uses a mechanical taper or split bushing system to firmly clamp the pulley to the shaft, allowing for quick installation, precise positioning, and easy removal.
The pulley typically consists of a steel or cast shell, a shaft with bearings, and the locking assembly mounted internally. This design provides uniform load distribution on the shaft, prevents slippage during operation, and ensures reliable torque transmission under high loads.
Standard Characteristics:
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Keyless Connection: Utilizes a mechanical interference fit (clamping force fatigue.
instead of traditional keyways, eliminating the risk of structural weakening or
key-wall
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High Torque Transfer: The locking unit creates a powerful, uniform pressure
between the shaft and the hub, making it capable of handling extreme drive loads
and frequent start-stop cycles.
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Ease of Maintenance: Designed for simple assembly and disassembly using
standard hand tools; the pulley can be easily repositioned or removed without
damaging the shaft.
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Self-Centering Accuracy: The tapered design of the locking assembly ensures
the pulley remains perfectly concentric with the shaft, reducing vibration and
extending bearing life.
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Versatile Application: Highly utilized in modern systems as both drive and tail
pulleys due to the robust and reliable connection it provides across various load
capacities.
Pulleys with locking assemblies are ideal for drive, tail, or bend positions in conveyors,
offering advantages such as reduced installation time, improved operational safety,
minimal shaft damage, and the ability to adjust or replace pulleys without extensive
disassembly. They are widely used in bulk material handling, mining, and industrial
conveyor systems where precision and durability are essential.
For technical inquiries or custom sizing, contact our engineering team via phone oremail today.
Tel: +389 43 412 500