Polea de grúa
Parámetros de la polea de grúa:
- Especificaciones: Φ250, Φ400, Φ500, Φ610, Φ710, Φ800, Φ900, Φ1000, Φ1200
- Material de la polea: HT20-40, ZG35, Q235B, Q355B
- Proceso de fabricación: Hierro fundido, acero fundido, chapa de acero laminada
- Tamaño de la ranura de la polea: Determinado en función del diámetro del cable
- Personalización no estándar: Podemos fabricar de acuerdo a los dibujos proporcionados por usted
A Crane Pulley Block is a crucial component in crane systems, primarily used to change the direction of force, lift heavy objects, and help adjust the tension of ropes or steel cables. It is an essential part of the crane, typically consisting of a pulley, bearing, housing, rope, and fixation devices. The pulley block is designed to handle high-load conditions, capable of bearing heavy weights while ensuring stability and safety during operation.
Key Components:
- Pulley: This is the core component, which guides the steel rope and allows it to pass through, transmitting the power.
- Bearing: It helps the pulley rotate smoothly, reducing friction and improving operational efficiency.
- Housing: It provides protection, preventing damage to the pulley and other internal components.
- Steel Rope or Cable: This carries the load and works in conjunction with the pulley block.
- Fixation Devices: These are used to secure the pulley block to the crane structure, ensuring its stability.
Working Principle:
The crane pulley block works by guiding the steel rope around the pulley, changing the direction of force or increasing the lifting capacity of the crane. A multi-pulley block design can enhance operational efficiency by altering the force transmission method.
Types:
- Single Pulley Block: It is used for lighter lifting tasks.
- Compound Pulley Block (Multi-pulley Block): It utilizes multiple pulleys to handle heavier loads.
- Combination of Fixed and Movable Pulleys: This setup combines the advantages of changing the direction of force and mechanical advantage.
Aplicaciones:
- Construction Industry: Used for high-altitude lifting or handling heavy materials.
- Port and Shipping Industry: Used for loading and unloading containers or other heavy items.
- Mining and Oil Extraction: Used to lift heavy equipment and materials.
By utilizing precise designs, the pulley block not only enhances the lifting capacity of cranes but also reduces wear and energy loss during operations, ultimately improving work efficiency and safety.
