Crown wheel, guide wheel
Keyword:
heavy machinery
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Product Details
The head sheave is a fixed pulley located above the headframe of a mine shaft. Its main function is to support and guide the wire rope connecting the hoist drum and the hoisting container. It is divided into three types: movable head sheave, fixed head sheave above ground, and fixed head sheave for well drilling and underground use. It often adopts a cast spoke type or a steel structure assembly type. The wheel rim groove of the head sheave sometimes contains a high-polymer material pad to protect the wire rope and improve its service life. In addition, the design of the head sheave considers the matching relationship between its diameter and the wire rope diameter to ensure safe operation.
Guide pulleys are mainly used to guide the direction of flexible linear objects such as flexible pipes, wires, and nylon ropes. It has a pulley structure that can save effort and, in some projects, plays a tensioning role, such as the tensioning track in the walking system of an electric shovel. The performance of the guide pulley is crucial to the stability, safety and reliability of the entire system.
In summary, head sheaves and guide pulleys play a key role in mining and engineering fields. Their structural design and material selection are carefully considered to ensure the durability and safety of the equipment.
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