China high quality Container Crane Pulleys Rope Sheaves idler pulley

Product Description

Product Description

Pulleys rope

With high bearing capacity, high wear resistance and long service life
Sheave features:

Material Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C
Groove surface quench HRC45-55
Groove surface quench depth 2mm-2.5mm
groove MT after heat treatment and welding line UT and MT
Max processing diameter 2, 000mm
Short production cycle
It is used for crane equipment, port equipment, oil drilling rig and so on.

Product Parameters

Code Wire rope diameter(mm) Main dimension(mm) D
Groove diameter Outside diameter R Groove Width Shaft diameter Bearing hole width
BX1321 10-14 450 495 7 37 55 70
BX2321 >14-19 560 620 10 50 80 86
BX3321 >19-23.5 710 781 12 60 95 106
BX4321 >23.5-30 900 990 15 73 130 122
BX5321 >23.5-30 1120 1232 19 92 160 142
BX6321 >30-37 1250 1376 22 104 160 142
BX7321 >43-50 1600 1752 26 123 190 182
BX8321 >50-58 1800 1972 29 135 190 182


Detailed Photos





Packaging & Shipping

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Certification: ISO9001
Condition: New
Operation Form: Air Operation
Maximum Lifting Height: 25-30m
Maximum Lifting Weight: 150-200t
Type: Shipbuilding


Customized Request

rope pulley

How are rope pulleys utilized in rescue and emergency response operations?

Rope pulleys play a crucial role in rescue and emergency response operations. Here's a detailed explanation of how they are utilized in these situations:

1. Rope Rescue Systems:

Rope pulleys are integral components of rope rescue systems. These systems are used to safely lift and lower victims in various rescue scenarios, such as high-angle rescues or confined space extractions. Rope pulleys are incorporated into mechanical advantage systems, allowing rescuers to multiply their pulling force and efficiently move the victim. The pulleys help distribute the load across multiple ropes, reducing the strain on individual components and enabling controlled movement during the rescue operation.

2. High-Angle Rescues:

In high-angle rescues, rope pulleys are employed to manage the ropes that rescuers use to access and extract individuals from elevated or vertical environments, such as cliffs, buildings, or towers. Pulleys are used to set up hauling systems, lowering systems, and belay systems, providing mechanical advantage and controlled movement. Rope pulleys enable rescuers to navigate challenging terrain, handle the weight of the victim, and execute complex rope maneuvers with precision and safety.

3. Swiftwater Rescues:

In swiftwater rescue operations, rope pulleys are utilized to facilitate the extraction of individuals from fast-flowing water. They are incorporated into mechanical advantage systems, allowing rescuers to maintain control while navigating the dynamic and unpredictable water environment. Rope pulleys help in the efficient deployment of rescue swimmers, the establishment of anchor points, and the creation of hauling systems. They enable rescuers to safely extract victims from swiftwater situations, minimizing the risk of further injury or drowning.

4. Technical Rope Maneuvers:

Rope pulleys are essential for performing technical rope maneuvers in rescue operations. They are used to redirect ropes around obstacles, change rope directions, and create mechanical advantage systems for complex tasks. Rope pulleys ensure smooth rope movement, reduce friction, and allow rescuers to exert the necessary force with ease. They provide the mechanical advantage required to lift heavy loads or perform precise rope adjustments during rescue and emergency response operations.

5. Confined Space Rescues:

In confined space rescues, rope pulleys are utilized to extract individuals from hazardous or restricted environments, such as underground tunnels, storage tanks, or collapsed structures. Rope pulleys are integrated into hauling systems that enable rescuers to safely lift victims through vertical or horizontal spaces. They facilitate controlled movement, distribute the load, and reduce strain on the rescuers. Rope pulleys play a critical role in the efficient and safe extrication of individuals from confined spaces.

6. Equipment Handling and Rigging:

Rope pulleys are also utilized for equipment handling and rigging in rescue and emergency response operations. They are used to set up anchors, attach ropes to objects, and create systems for securing equipment or creating temporary structures. Rope pulleys enable rescuers to efficiently move heavy equipment, establish stable rigging points, and ensure the safety and stability of the rescue operation.

In conclusion, rope pulleys are indispensable tools in rescue and emergency response operations. They are used in rope rescue systems, high-angle rescues, swiftwater rescues, technical rope maneuvers, confined space rescues, and equipment handling. Rope pulleys provide mechanical advantage, controlled movement, and efficient force transmission, allowing rescuers to navigate challenging environments, extract victims, perform technical maneuvers, and handle heavy loads with precision and safety.

rope pulley

How do rope pulleys play a role in industrial applications, such as material handling?

Rope pulleys play a significant role in industrial applications, particularly in material handling processes. Here's a detailed explanation of their role in such settings:

1. Lifting and Moving Heavy Loads:

Rope pulleys are commonly used in industrial settings to lift and move heavy loads. By utilizing a combination of fixed and movable pulleys, mechanical advantage is achieved, allowing workers to lift and move loads that would otherwise be too heavy to handle manually. This is especially useful in industries such as construction, manufacturing, and logistics, where large and heavy materials or equipment need to be transported or positioned.

2. Load Distribution:

In material handling applications, it is often necessary to distribute the load across multiple points to ensure stability and safety. Rope pulleys are employed in systems like block and tackle setups to evenly distribute the load between multiple ropes and pulleys. This helps in maintaining balance, reducing the strain on individual ropes, and ensuring that the load is handled securely. Load distribution is particularly crucial when dealing with irregularly shaped or fragile items that require careful handling.

3. Directional Changes:

Rope pulleys are used to change the direction of the force applied to the rope. In industrial applications, this is valuable for redirecting materials or equipment along a desired path. By incorporating pulleys at strategic points, workers can guide loads through complex routes, around obstacles, or through confined spaces. The ability to change the direction of movement enables efficient material flow, optimizing productivity and minimizing the need for manual handling in challenging environments.

4. Height Adjustment:

In industrial settings, there are often requirements to adjust the height of equipment or platforms. Rope pulleys, combined with mechanisms like counterweights or winches, are utilized to facilitate smooth and controlled height adjustment. This is commonly seen in applications such as theater rigging, where stage sets or lighting equipment need to be raised or lowered, or in warehouses where adjustable platforms are used for loading and unloading operations.

5. Safety Considerations:

Rope pulleys play a crucial role in ensuring safety in industrial material handling. By utilizing appropriate pulley systems and adhering to safety guidelines, the risk of accidents and injuries can be minimized. Pulleys with self-locking mechanisms or progress capture features are often employed in applications where loads need to be held securely in position, preventing accidental slippage or release.

6. Ergonomics and Efficiency:

Efficient material handling is essential in industrial operations to optimize productivity and reduce strain on workers. Rope pulleys help improve ergonomics by reducing the physical effort required to move heavy loads. By leveraging the mechanical advantage provided by pulley systems, workers can perform tasks more easily and with less risk of fatigue or injury, leading to increased efficiency and productivity.

In summary, rope pulleys play a vital role in industrial applications, especially in material handling. They enable the lifting and movement of heavy loads, assist in load distribution, facilitate directional changes, allow for height adjustment, enhance safety measures, and contribute to ergonomic and efficient operations. By utilizing appropriate pulley systems, industrial processes can be streamlined, productivity can be enhanced, and the well-being of workers can be prioritized.

rope pulley

What are the advantages of using rope pulleys in different systems?

Using rope pulleys in different systems offers several advantages. Here's a detailed explanation of the advantages of using rope pulleys:

1. Mechanical Advantage:

Rope pulleys provide a mechanical advantage, making it easier to lift or move heavy objects. By distributing the load across multiple ropes and pulleys, the force required to lift the load is reduced. This mechanical advantage allows users to exert less effort while achieving the desired lifting or moving task. It is particularly beneficial when dealing with heavy loads or when individuals have limited strength.

2. Directional Change of Forces:

Rope pulleys enable a change in the direction of forces applied to a load. By threading a rope through a pulley and attaching it to the load, users can apply force in one direction to produce movement in another. This directional change is crucial when lifting or moving objects vertically or horizontally. Rope pulleys allow for versatile and controlled movement in various directions, providing flexibility in different systems and applications.

3. Increased Load Capacity:

Using rope pulleys in systems increases the load capacity that can be handled. By distributing the load across multiple ropes and pulleys, the weight is shared, reducing the strain on individual components. This allows for the handling of heavier loads than would be possible with direct lifting or without the use of pulleys. The increased load capacity is advantageous in industries such as construction, manufacturing, and logistics.

4. Flexibility and Adaptability:

Rope pulleys offer flexibility and adaptability in different systems. They can be easily incorporated into existing setups or integrated into new systems. Rope pulleys can accommodate various types of ropes or cables, allowing users to select the most suitable material for the specific application. This adaptability makes rope pulleys versatile tools that can be used in a wide range of industries and scenarios.

5. Control and Precision:

Rope pulleys provide enhanced control and precision when handling loads. The pulleys allow for smooth and controlled movement, minimizing jerks or sudden shifts that could potentially damage the load or cause accidents. Rope pulleys enable users to adjust the tension and movement of the ropes, ensuring a controlled and gradual lift or movement. This control is particularly important when dealing with fragile or delicate objects.

6. Safety:

Using rope pulleys in systems enhances safety. By reducing the force required to lift or move heavy objects, rope pulleys help minimize the risk of injuries due to overexertion or strain. The controlled movement provided by pulleys also reduces the likelihood of accidents caused by sudden shifts or uncontrolled lifting. Additionally, the mechanical advantage offered by rope pulleys allows users to employ proper lifting techniques, promoting safer working practices.

In conclusion, using rope pulleys in different systems provides advantages such as mechanical advantage, directional change of forces, increased load capacity, flexibility and adaptability, control and precision, and enhanced safety. These advantages make rope pulleys valuable tools in a wide range of industries and applications where lifting and moving heavy objects efficiently and safely are essential.

China high quality Container Crane Pulleys Rope Sheaves   idler pulley	China high quality Container Crane Pulleys Rope Sheaves   idler pulley
editor by CX