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China high quality Aluminum Pulley Block New String Cable Pulley /Block Tensioner Nylon Exterior Electric Cable Pulley belt pulley

Product Description

Product Description

Power and communication cables are often laid in open trenches where the road and ground conditions result in the cable route having a number of curves. With the cable's own weight and the high tensions involved the
cable cannot be fed cleanly.
We manufacture a lot of models Cable pulling block for different uses in the overhead transmission line construction.They have are
used to support conductors, OPGW, ADSS, communication lines.

Dimension(mm) Width(mm) Diameter(mm)
35*80 35 80
35*120 35 120
50*80 50 80
50*100 50 100
60*120 60 120
60*150 60 150
80*120 80 120
80*150 80 150
100*120 100 120

 

 

Company Profile

 

Packaging & Shipping

 

FAQ

 

1. What certificate does your company have?
Our company has international certificates below: 
A. Quality management system certificate complies with GB/T 19001-2016/ISO 9001: 2015 requirements; 
B. Environmental management system certificate complies with GB/T 24001-2016/ISO 14001: 2015 requirements; 
C. Occupational health and safety management system certificate complies with ISO 45001: 2018 requirements. 

2. Is your company a factory or a trader? What products can be provided?
We are a company of manufacturer of Fiber optical cable fitting, ADSS OPGW Tension & suspension set, Preformed dead end guy grip, FTTH accessories,  Overhead transmission line fitting, Pole line hardware, Electrical HDG steel cross arm, Stay rod assembly, Bolts nuts, washers, and Electric power fitting. 

3. What are the materials of your products? Can do other materials? 
For our preformed guy grip dead end products are mostly made of galvanized steel wire or alloy clad steel wire, aluminum alloy wire for armor rods. Sometimes, customers want copper preformed materials, we indeed made it before. 
However, we still listen to customers if different materials are required. 

4. Can your company provide drawings? 
Yes, we can. Drawings are a way of confirming the parameters of the products. By providing drawings, we can avoid mistakes. Sometimes, customers sent some pictures with measuring, we engineer can draw a very good technical drawing based on it. 

5. Can you provide a Certificate of Origin? Or invoices certified by Embassies? 
We have been already recorded and registered in the Commodity Inspection and Quarantine Bureau and the Embassy, so we are qualified to issue certificates of CHINAMFG and invoices for different countries.

6. When customers show the target price or price from other suppliers, can you agree that? 
We are happy when clients give us their advice about the buying price, that means, customers have interested to our company and products, and may in some way, also have trust in us. In this way, it's no doubt to carefully check the target price from customers, listen to their requirements of quality. Give the best solutions.  

 

 

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Type: Cable Roller
Certification: CE, RoHS, CCC, ISO
Customized: Customized
Condition: New
Feature: Fire/Flame Retardant
OEM: Accept
Samples:
US$ 20/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

cable pulley

How are cable pulleys adapted for specific applications in construction and engineering?

In construction and engineering, cable pulleys are adapted and customized to meet the specific requirements of different applications. These adaptations ensure that the pulleys can effectively handle the unique challenges and demands of various construction and engineering tasks. Here is a detailed explanation of how cable pulleys are adapted for specific applications in construction and engineering:

  • Material Selection: Cable pulleys used in construction and engineering are often made from materials that offer high strength, durability, and resistance to harsh environmental conditions. Common materials include steel, stainless steel, aluminum, and composite materials. The choice of material depends on factors such as the load capacity, operating environment, and specific application requirements. For example, pulleys used in heavy-duty lifting operations may be made from robust steel alloys to withstand heavy loads and repeated use.
  • Load Capacity: Cable pulleys are designed and adapted to handle specific load capacities based on the intended application. Pulleys used in construction and engineering applications may have significantly higher load ratings compared to those used in other industries. The size, diameter, and construction of the pulleys are carefully selected to ensure they can safely support and distribute the anticipated loads. Factors such as the type of cable used, the weight of the load, and the required safety factors are considered when determining the appropriate load capacity of the pulleys.
  • Specialized Configurations: Depending on the application, cable pulleys may have specialized configurations to meet specific needs. Examples include multiple sheave pulleys, adjustable pulleys, and swivel pulleys. Multiple sheave pulleys, also known as block and tackle systems, consist of multiple pulleys arranged in tandem to increase mechanical advantage and lifting capacity. Adjustable pulleys allow for changes in cable tension or length, providing flexibility in various situations. Swivel pulleys have built-in swivel mechanisms that enable the pulleys to rotate freely, accommodating changes in cable direction and reducing friction.
  • Environmental Considerations: Cable pulleys used in construction and engineering applications must often withstand challenging environmental conditions. They may be exposed to extreme temperatures, moisture, chemicals, or abrasive substances. To adapt to these conditions, pulleys can be coated with protective finishes or made from corrosion-resistant materials. Sealed bearings or bushings may be used to prevent the ingress of contaminants. These adaptations enhance the longevity and performance of the pulleys in demanding construction and engineering environments.
  • Integration with Systems: Cable pulleys are integrated into larger construction and engineering systems, such as cranes, hoists, elevators, or conveyor systems. Adaptations are made to ensure compatibility and seamless integration with these systems. This includes considerations for mounting options, connection methods, and alignment with other components. The design and dimensions of the pulleys are often tailored to fit within the specific system architecture, enabling smooth operation and efficient energy transfer.
  • Regulatory Compliance: Construction and engineering industries are subject to various regulations and standards. Cable pulleys used in these applications may need to comply with specific industry standards, safety codes, or certifications. Manufacturers adapt their pulley designs and manufacturing processes to meet these requirements, ensuring that the pulleys conform to the necessary safety and quality standards.

In summary, cable pulleys in construction and engineering applications are adapted to suit the unique demands of these industries. They are customized in terms of material selection, load capacity, specialized configurations, environmental considerations, integration with systems, and regulatory compliance. These adaptations enable cable pulleys to effectively and safely support the lifting, pulling, and positioning requirements of construction and engineering tasks.

cable pulley

What role do cable pulleys play in gym and fitness machines?

Cable pulleys play a significant role in gym and fitness machines, contributing to the functionality, versatility, and effectiveness of various exercise equipment. They are widely incorporated into strength training machines, cable machines, and functional trainers, offering a range of benefits for gym-goers and fitness enthusiasts. Here are some key roles that cable pulleys play in gym and fitness machines:

  • Resistance Training: Cable pulleys provide adjustable resistance for resistance training exercises. They allow users to select the desired weight or resistance level by adjusting the weight stack or attaching additional resistance bands. This versatility enables progressive overload and caters to users of different fitness levels, from beginners to advanced athletes.
  • Exercise Variation: Cable pulley systems in gym machines offer a wide variety of exercise options. They allow users to perform a range of movements, including pulling, pushing, lifting, and rotational exercises. By adjusting the attachment points and using different handles or attachments, users can target specific muscle groups and engage in a diverse range of exercises, such as lat pulldowns, cable rows, chest presses, bicep curls, tricep pushdowns, and cable flyes.
  • Functional Training: Cable pulleys support functional training, which focuses on movements that mimic real-life activities and improve overall strength, stability, and mobility. With cable machines, users can perform exercises that involve multiplanar movements and engage multiple muscle groups simultaneously. This helps enhance coordination, balance, and functional fitness, making cable pulley machines suitable for functional training programs and sports-specific conditioning.
  • Core and Stabilization Exercises: Cable pulley machines require users to engage their core muscles and stabilize their bodies during exercises. The continuous tension generated by the cables challenges the core muscles and promotes stability, balance, and coordination. Cable pulley exercises can effectively target the abdominal muscles, obliques, and back muscles, contributing to core strength development and improved posture.
  • Range of Motion and Muscle Activation: Cable pulley machines allow users to achieve a full range of motion during exercises. The smooth and controlled movement provided by the pulley system ensures optimal muscle activation and engagement throughout the entire exercise. This increased range of motion helps in maximizing muscle fiber recruitment, promoting muscle growth, and improving flexibility.
  • Safe and Guided Exercise Execution: Gym machines equipped with cable pulleys provide a safer and more controlled environment for exercise. The guided movement of the cables reduces the risk of injury associated with free weights and improper form. Additionally, many cable pulley machines incorporate safety features, such as adjustable weight stacks, safety stops, and ergonomic handles, to ensure safe and effective exercise execution.
  • Efficient Use of Space: Cable pulley machines are designed to optimize space utilization in gyms and fitness facilities. They often feature compact footprints and multiple cable attachment points, allowing multiple users to perform exercises simultaneously or switch between exercises quickly. This efficient use of space makes cable pulley machines suitable for both commercial gyms and home fitness setups with limited space.

Overall, cable pulleys play a vital role in gym and fitness machines by providing adjustable resistance, exercise variation, functional training capabilities, core engagement, and safe exercise execution. They contribute to effective strength training, muscle development, and functional fitness, making cable-based machines popular among fitness enthusiasts and professionals in the gym industry.

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 high quality Aluminum Pulley Block New String Cable Pulley /Block Tensioner Nylon Exterior Electric Cable Pulley   belt pulley	China high quality Aluminum Pulley Block New String Cable Pulley /Block Tensioner Nylon Exterior Electric Cable Pulley   belt pulley
editor by CX