China Best Sales Heavy Duty Alloy Steel Wheel Cable Pay-off Pulley Multi-Wheel Wellhead Roller alternator pulley

Product Description

Double Wheel Cable Pulley Equipment Straight Cable Rollers

This type of folding pulley is available in 2 - and three-wheel steel thicknesses, heavy and economic. It can be customized and purchased according to demand. It is used in the pit head, well head and other places where transmission cables are needed. Protect the cable from abrasion and speed up the work schedule. This cable pulley is strong and wear-resistant, reusable, lightweight and easy to carry. Because of its smaller size, it can be used in a wider area.
Steel wheel is suitable for steel wire traction rope, anti-torsion rope. It's a wear-resistant, durable, high-quality steel wheel. It contains shafts and bearings. The diameter is 60mm and the width is 60mm.
 

Application

  • cable laying contractor
  • underground cable laying
  • electricity supply industry
  • change the angle of the cable

 

Please contact us freely, if you are interested with our parts, while with ITEM, QTY,...PACKING...

To support the Transmission work, CHINAMFG Power has Tubular Gin Pole, Hydraulic cable puller, wire rope pulley block,  hoisting tackle, Wire rope gripper, Cable reel spool and stand- all are OEM and professionally produced per ISO 9001:2008, which are being sold to over more than 50 countries in the world. Some items like emergency restoration tower and crossing structure, we can customized, and the safety tools and accessories, are not demanded the MOQ. You can freely help you out either Tech issue or Products requirements. Pls approach us. Thanks.

1. Training and services.
Marshine is a company specializing in the development, design and manufacture of electrical construction equipment and tools. We not only manufacture and sell international standard products, OEM and custom products, but also provide quality tracking and service monitoring.

2. How about the quality of your products?
Our products are manufactured in strict accordance with national and international standards, and each product is tested before delivery. If you would like to view our quality certification and various test reports, please consult us.

3. Why do you choose us?
Because we can provide you with excellent service, quality and reasonable price. In addition, we can also provide smooth delivery of goods, excellent customer solutions.

4. Customer inquiry.
If there is an emergency, customers can also use online contact methods (online Chat, Skype, WhatsApp, ) for faster and better communication. Any enquiry will be answered within 12 working hours.

5. How to obtain samples?
We can provide free samples to the buyer for testing, but the buyer needs to pay the freight. Existing samples take 2-3 days. If there is no stock, we will advise the delivery date.

6. How about packing and shipping?
All goods will be packed in plywood boxes for safe, long haul transport. Support EXW, FOB, CIF, CFR terms.
Required documents such as packing list, commercial invoice, bill of lading, air waybill, CO, Form E, Form F etc will be provided.

Note: If you do not find the product you need, please feel free to contact us. We will provide the best quotation as soon as we verify your requirements.

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Type: Cable Roller
Certification: CE, CCC, ISO
Customized: Customized
Samples:
US$ 60/Piece
1 Piece(Min.Order)

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

cable pulley

How are cable pulleys used in the operation of cranes and hoists?

Cable pulleys play a crucial role in the operation of cranes and hoists. They are an integral part of the lifting mechanism, providing support, guidance, and control for the cables used in these systems. Cable pulleys contribute to the efficient and safe operation of cranes and hoists. Here is a detailed explanation of how cable pulleys are used in the operation of cranes and hoists:

  • Lifting Mechanism: Cranes and hoists utilize cable and pulley systems to lift and move heavy loads. The cables are attached to the load and are routed through a series of pulleys. The pulleys are strategically positioned to guide the cables along the desired path. As the cables move, the load is lifted or lowered accordingly. The cable pulleys ensure that the cables are properly aligned and prevent them from tangling or coming off the pulleys. This enables controlled and precise lifting and lowering of loads.
  • Load Distribution: Cable pulleys in cranes and hoists help distribute the load weight evenly across the cables. The load is typically attached to multiple cables, and the pulleys ensure that each cable carries its fair share of the weight. This even distribution of load prevents excessive stress on individual cables, reducing the risk of cable failure or system instability. The cable pulleys contribute to the overall balance and stability of the lifting operation.
  • Tension Control: Cable pulleys assist in controlling the tension in the lifting cables. Proper tension is crucial for safe and efficient lifting operations. The pulleys are designed to maintain the appropriate tension in the cables during the lifting and lowering processes. They help prevent slack or excessive tension in the cables, ensuring smooth and controlled movement of the load. The tension control provided by the cable pulleys enhances the safety and stability of the crane or hoist operation.
  • Directional Control: Cable pulleys enable directional control of the load movement in cranes and hoists. By guiding the cables along specific paths, the pulleys determine the direction of the load. The pulleys can be positioned in various configurations to achieve the desired movement, such as vertical lifting, horizontal shifting, or rotation. This directional control allows for precise positioning and placement of the load, enhancing the versatility and functionality of cranes and hoists.
  • Multiple Line Systems: In some cranes and hoists, multiple cables and pulleys are employed to increase lifting capacity or provide additional stability. These systems, known as multiple line systems, consist of several cables connected to the load and routed through corresponding pulleys. The cable pulleys guide and support the multiple lines, ensuring synchronized movement and load distribution. This arrangement enables the lifting of heavier loads while maintaining balance and control.
  • Maintenance and Safety: Regular maintenance of cable pulleys is essential for the safe and efficient operation of cranes and hoists. Inspections should be conducted to check for any signs of wear, damage, or misalignment. Lubrication should be applied to the pulleys as recommended by the manufacturer to ensure smooth operation and prevent corrosion. Proper tensioning of the cables should be maintained. Any issues with the cable pulleys or cables should be addressed promptly to avoid potential safety hazards.

In summary, cable pulleys are vital components in the operation of cranes and hoists. They contribute to the lifting mechanism, load distribution, tension control, directional control, and multiple line systems. Proper maintenance of the cable pulleys is essential for ensuring their optimal performance and safety in crane and hoist operations.

cable pulley

How does the design and size of a cable pulley impact its performance?

The design and size of a cable pulley have a significant impact on its performance in various applications. The specific design features and dimensions of a cable pulley determine its load-bearing capacity, efficiency, durability, and overall effectiveness. Here is a detailed explanation of how the design and size of a cable pulley can impact its performance:

  • Load-Bearing Capacity: The design and size of a cable pulley directly affect its load-bearing capacity. A well-designed pulley with a larger size and robust construction can withstand higher loads without deformation or failure. The materials used, such as high-strength alloys or reinforced polymers, contribute to the pulley's load-bearing capacity. The design should also consider factors like the angle of wrap, cable diameter, and the expected load distribution to ensure optimal load-bearing performance.
  • Efficiency: The design and size of a cable pulley impact its efficiency in transmitting force and motion. A well-designed pulley with smooth surfaces, low friction materials, and precision bearings reduces energy losses and minimizes the effort required to move the load. The size and shape of the grooves or channels on the pulley should be optimized to ensure proper engagement with the cable and minimize slippage. A properly designed pulley promotes efficient power transmission and enhances overall system performance.
  • Durability: The design and size of a cable pulley influence its durability and longevity. A pulley designed with sturdy materials and robust construction can withstand repeated loading, high tension, and harsh operating conditions without deformation, wear, or premature failure. The size and thickness of the pulley's components, such as the rim, hub, and spokes, should be appropriately proportioned to ensure sufficient strength and resistance to fatigue. A well-designed and adequately sized pulley will have a longer service life and require less frequent replacement or maintenance.
  • Friction and Heat Generation: The design and size of a cable pulley impact the friction and heat generated during operation. Friction between the cable and the pulley can result in energy losses and heat buildup, which can affect the performance and lifespan of the pulley. A well-designed pulley with smooth surfaces, proper alignment, and suitable materials can minimize friction and heat generation. The size of the pulley should be optimized to ensure adequate contact area with the cable, reducing localized pressure and minimizing frictional losses.
  • Alignment and Tracking: The design and size of a cable pulley influence its ability to maintain proper alignment and tracking of the cable. A well-designed pulley with precise dimensions, smooth edges, and accurate machining helps keep the cable centered and aligned. Proper alignment ensures smooth movement of the cable, reduces wear on the pulley and cable, and minimizes the risk of the cable slipping or derailing. The size of the pulley should be suitable for the cable's diameter and the desired angle of wrap to ensure optimal tracking and prevent excessive stress on the cable.
  • Noise and Vibration: The design and size of a cable pulley can affect the noise and vibration levels during operation. Poorly designed pulleys with imbalanced components or inadequate damping mechanisms can generate excessive noise and vibrations, leading to discomfort, decreased efficiency, and potential damage to the system. A well-designed pulley with proper size, balanced construction, and vibration-dampening features minimizes noise and vibrations, providing a smoother and quieter operation.
  • Space Requirements: The size and design of a cable pulley impact the space requirements in a system. The dimensions of the pulley should be compatible with the available space, taking into account factors such as clearance, installation requirements, and the overall system layout. Smaller pulleys with compact designs are beneficial in applications with limited space, allowing for efficient utilization of available area and easier integration into the system.
  • Application-Specific Considerations: The design and size of a cable pulley should be tailored to the specific application requirements. Factors such as the type of cable, environmental conditions, desired speed, and load characteristics should be considered in the pulley's design and size selection. Customized designs, specialized coatings, or additional features, such as flanges or guards, may be necessary to optimize performance and ensure compatibility with the specific application.

Overall, the design and size of a cable pulley significantly impact its performance in load-bearing and transmission applications. A well-designed pulley with appropriate size, robust construction, optimized geometry, and consideration of application-specific factors enhances load-bearing capacity, efficiency, durability, and overall system performance.

cable pulley

What are the key components and design features of a cable pulley?

A cable pulley consists of several key components and design features that enable its proper functioning and efficient transmission of force. These components and features are carefully engineered to withstand load, reduce friction, and ensure smooth operation. Let's explore the main elements and design characteristics of a cable pulley:

  • Wheel or Sheave: The central component of a cable pulley is the wheel or sheave. It is a grooved cylindrical or disk-shaped component that provides a guiding surface for the cable or rope. The groove on the wheel allows the cable to move along its circumference, changing the direction of force. The sheave is typically made of durable materials such as metal or high-strength polymers to withstand the loads and forces applied during operation.
  • Bearing: Cable pulleys incorporate bearings to facilitate smooth rotation of the wheel or sheave. Bearings reduce friction between the rotating components, allowing the pulley to rotate freely as the cable moves. Common types of bearings used in cable pulleys include ball bearings or roller bearings, which are selected based on the load capacity, rotational speed, and desired smoothness of operation.
  • Axle or Shaft: The wheel or sheave of a cable pulley is mounted on an axle or shaft. The axle provides the central axis of rotation for the pulley and supports the wheel. It is typically made of a sturdy material such as steel or stainless steel to withstand the forces and loads applied during lifting or movement operations. The axle is securely mounted to the framework or structure to ensure stability and proper alignment of the pulley assembly.
  • Frame or Housing: Cable pulleys are often housed within a frame or housing that provides support and containment for the pulley components. The frame or housing is designed to maintain the proper alignment of the pulley components, prevent the cable from slipping off the sheave, and protect the internal components from external elements or damage. The frame or housing is typically constructed from materials such as metal or reinforced polymers, ensuring durability and structural integrity.
  • Mounting Hardware: Cable pulleys require mounting hardware to securely attach them to the desired location or structure. The mounting hardware may include bolts, screws, brackets, or other fastening mechanisms, depending on the specific application and mounting requirements. The hardware ensures that the pulley assembly remains stable and properly positioned during operation, preventing unnecessary vibrations or movement.
  • Surface Finish: The surface finish of a cable pulley is an important design feature that influences its performance. The groove on the wheel or sheave should have a smooth finish to minimize friction and prevent excessive wear on the cable or rope. The surface finish may involve processes such as polishing, coating, or heat treatment to achieve the desired level of smoothness and durability.
  • Load Capacity and Safety Factor: The design of a cable pulley takes into account the anticipated load capacity and safety factors. The materials, dimensions, and construction of the pulley components are determined to handle the expected loads without failure or deformation. Safety factors are incorporated to provide an additional margin of strength and reliability, ensuring that the pulley can withstand unexpected peak loads or external forces.

In summary, a cable pulley consists of key components such as the wheel or sheave, bearing, axle or shaft, frame or housing, and mounting hardware. These components, along with design features including surface finish, load capacity, and safety factors, work together to enable smooth operation, efficient force transmission, and reliable performance in lifting and cable-based systems.

China Best Sales Heavy Duty Alloy Steel Wheel Cable Pay-off Pulley Multi-Wheel Wellhead Roller   alternator pulley	China Best Sales Heavy Duty Alloy Steel Wheel Cable Pay-off Pulley Multi-Wheel Wellhead Roller   alternator pulley
editor by CX