China Standard Commission Heavy Duty Wire Sheave for Machine Building Industry pulley drive

Product Description

 

Product Description

Container crane pulley block,
With high bearing capacity, high wear resistance and long service life

Sheave features:

1) Material: Q235B, Q345B, 35#, 45#, 60#, SSW-QR1, S45C

2) Groove surface quench: HRC45-55

3) Groove surface quench depth: 2mm-2.5mm

4) groove MT after heat treatment and welding line UT and MT

5) Max processing diameter: 2, 000mm

6) Short production cycle

It is used for crane equipment, port equipment, oil drilling rig and so on.

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

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Company Profile

Factory introduction

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. is a high-tech enterprise registered in HangZhou City of ZheJiang Province, which is mainly engaged in the design and manufacture of spare parts for metallurgy equipment, hoisting machinery, oil drilling rigs, and heavy decelerator boxes.

Our company boasts a professional team who is full of vitality, with high efficiency, and industry minded. Our R&D technicians are highly skilled with rich experience, and possess strong design and development capabilities. There are 2 experts in our company who enjoy the state special allowance. We have carried out broad cooperation with renowned factories and design institutes both at home and abroad.

With advanced design, outstanding manufacturing crafts and vigorous management, the whole manufacturing process of our company is conducted by strictly implementing strict quality management system. Our products are widely used by a great number of steel plants in China and exported overseas, where they have received high praise from our customers.

By following the enterprise philosophy of innovation, quality and creating value for the clients, our company is constantly bringing in advanced technologies from home and abroad. We are committed to taking the enhancement of product quality, safety and reliability as our responsibility and striving for providing high quality products and perfect services to the clients.

HangZhou CHINAMFG Metallurgy Equipment Manufacturing Co., Ltd. Warmly welcomes you to be our distinguished clients and friends.

Customer communication

Certifications

Packaging & Shipping

FAQ

Q: What information should I provide if I want to order the products?
1) Product information: Quantity, specification
2) Delivery time required.
3) Shipping information: Company name, address, phone number, destination seaport/air port.
4) Forwarder’s contact details if there is any in China.
 
Q: How about your payment terms?
A: 30% -50%deposit, with the balance before delivery, we accept T/T and L/C at sight.
 
Q: Can I use our own logo?
A: Yes, we can produce by using your own logo if you need.
 
Q: How about sample & MOQ policy?
A: Welcome sample order. MOQ can be 1 set.
 
Q: What is your lead time for your goods?
A: Normally 30 days after confirmed order,  

 

 

 
 

Application: Double Beam Crane, Gantry Crane, Bridge Crane, Tower Crane, Single Grinder Crane, Lifting Platform, Small Crane
Type: Electric Hoist
Sling Type: Wire Rope
Lift Speed: <2m/min
Maximum Lifting Height: >20m
Chain Falls: 1
Customization:
Available

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Customized Request

rope pulley

How are rope pulleys used in recreational activities such as rock climbing and zip-lining?

Rope pulleys play a crucial role in recreational activities like rock climbing and zip-lining. Here’s a detailed explanation of their usage in each activity:

Rock Climbing:

In rock climbing, rope pulleys are utilized in various ways:

1. Belays and Anchors: Rope pulleys are commonly used in belay systems, which involve securing the climbing rope to an anchor point. Pulleys help redirect the rope, reducing friction and allowing the belayer to control the rope more smoothly as the climber ascends or descends. They enable the belayer to manage the rope’s length and tension effectively.

2. Hauling Systems: Rope pulleys are utilized in hauling systems during rock climbing. These systems assist climbers in raising or lowering equipment, supplies, or injured climbers. Pulleys allow for mechanical advantage, reducing the effort required by the climbers during hauling operations.

3. Ascending Techniques: Rope pulleys are employed in ascending techniques such as the “jumar” or “ascender” systems. These systems enable climbers to ascend the rope efficiently. Pulleys facilitate smooth movement and eliminate the need to manually adjust the rope, making the ascent easier and less physically demanding.

4. Rescue Operations: In rescue scenarios, rope pulleys serve a critical role. They are employed in systems such as “z-pulleys” or “piggyback hauling” to create mechanical advantage, allowing rescuers to lift or lower victims safely and efficiently.

Zip-lining:

In zip-lining, rope pulleys are essential components of the system that enables participants to glide along a suspended cable or rope:

1. Trolley Systems: Rope pulleys, often referred to as trolleys, are attached to the participants’ harnesses or seats. These pulleys feature wheels or sheaves that roll along the zip-line cable, allowing smooth and controlled movement. The trolleys may incorporate additional features such as brakes or speed control mechanisms for a safe and enjoyable zip-lining experience.

2. Redirection and Turning: Rope pulleys are strategically placed at corners or turning points in the zip-line course. They redirect the cable, ensuring participants smoothly navigate curves or changes in direction without excessive friction or jolts. These pulleys contribute to the overall safety and stability of the zip-line ride.

3. Braking Systems: Certain zip-line systems utilize rope pulleys as part of the braking mechanism. The pulleys may be integrated with friction devices or braking systems to control the speed and bring participants to a safe stop at the end of the ride.

It’s important to note that in both rock climbing and zip-lining, the selection of appropriate rope pulleys is crucial for ensuring safety, reliability, and optimal performance. Industry standards and guidelines provide specifications for pulley materials, load capacities, and strength ratings to ensure their suitability for these recreational activities.

By incorporating rope pulleys into rock climbing and zip-lining systems, participants can experience smoother rope management, efficient ascending or descending techniques, controlled movement, enhanced safety, and an overall enjoyable experience.

rope pulley

How do rope pulleys contribute to the efficiency of cable and rope-based systems?

Rope pulleys play a crucial role in enhancing the efficiency of cable and rope-based systems. Here’s a detailed explanation:

1. Mechanical Advantage: Rope pulleys provide mechanical advantage, allowing individuals to move or lift heavy loads with reduced effort. By distributing the load across multiple sheaves and ropes, pulleys can multiply the force applied, making it easier to overcome resistance and move objects. This mechanical advantage improves the overall efficiency of the system by minimizing the effort required to perform tasks.

2. Directional Changes: Rope pulleys enable directional changes in cable and rope-based systems. They allow the rope or cable to change its path, redirecting the force and motion as desired. This capability is crucial in various applications, such as lifting, rigging, and transportation, where precise control of the load’s direction is necessary for efficient operations.

3. Load Distribution: Rope pulleys distribute the load across multiple ropes or cables, reducing the strain on each individual component. By spreading the load, pulleys help prevent excessive stress and potential failure of the ropes or cables. This load distribution improves the overall efficiency and safety of the system by ensuring that the load is evenly supported.

4. Reduced Friction: Well-designed rope pulleys minimize friction between the rope and the pulley, allowing for smooth and efficient movement. Low-friction pulleys reduce energy losses due to friction, optimizing the system’s efficiency. They also help to prevent unnecessary wear and damage to the rope, extending its lifespan.

5. Speed and Distance: Rope pulleys can be used to increase the speed and distance covered by a rope or cable. By incorporating pulleys with different diameters or groove configurations, the speed of the moving rope can be adjusted. This feature is particularly useful in applications where quick and efficient transportation or lifting of loads is required.

6. System Flexibility: Rope pulleys provide flexibility in system design and configuration. They can be easily integrated into various setups, allowing for customized solutions based on specific requirements. Pulleys can be positioned at different locations, combined in different configurations, and interconnected to achieve the desired mechanical advantage, directional changes, and load distribution.

7. Multi-Purpose Functionality: Rope pulleys have a wide range of applications across different industries. They are used in construction, manufacturing, transportation, mining, entertainment, and many other fields. The versatility of rope pulleys contributes to the efficiency of cable and rope-based systems by enabling their use in diverse tasks and operations.

8. Reduced Manual Handling: By utilizing rope pulleys, manual handling tasks can be made more efficient and less physically demanding. The mechanical advantage provided by pulleys reduces the need for excessive manual force, minimizing the risk of fatigue, strain, and injury for workers.

Rope pulleys significantly enhance the efficiency and effectiveness of cable and rope-based systems. Through mechanical advantage, directional changes, load distribution, reduced friction, speed control, system flexibility, multi-purpose functionality, and reduced manual handling, pulleys optimize the performance of these systems, making them more productive, safe, and reliable.

rope pulley

In which industries are rope pulleys commonly employed?

Rope pulleys find extensive usage across various industries due to their versatility and ability to provide mechanical advantage. Here are some industries where rope pulleys are commonly employed:

  • Construction and Engineering: Rope pulleys are widely used in the construction and engineering industry. They assist in lifting and moving heavy building materials, operating cranes and hoists, and facilitating rigging operations. Rope pulleys are essential in tasks such as erecting structures, positioning equipment, and transporting materials on construction sites.
  • Manufacturing and Warehousing: In manufacturing facilities and warehouses, rope pulleys play a crucial role in material handling, assembly line operations, and conveyor systems. They are used to guide and redirect belts or ropes, facilitating the movement and transport of goods. Rope pulleys ensure efficient workflow and optimize productivity in these industries.
  • Maritime and Shipping: Rope pulleys are integral to the maritime and shipping industry. They are utilized in various applications onboard ships and boats, including sailing systems, winches, cranes, and rigging operations. Rope pulleys enable the adjustment of sails, lifting heavy loads, and maneuvering equipment and rigging on vessels.
  • Outdoor Recreation and Adventure: Rope pulleys play a significant role in outdoor recreational activities such as rock climbing, mountaineering, zip-lining, and rope courses. They are used in pulley systems to provide mechanical advantage, facilitate controlled movement, and ensure safety during these adventure sports.
  • Rescue and Emergency Services: Rope pulleys are essential in rescue and emergency services. They are employed in scenarios such as mountain rescue, confined space rescue, and swiftwater rescue. Rope pulleys enable controlled lowering or raising of personnel and equipment, ensuring safe and efficient extraction in critical situations.
  • Agriculture and Forestry: In the agriculture and forestry sectors, rope pulleys are used for various tasks such as lifting heavy loads, handling equipment, and facilitating forestry operations. They assist in tasks like tree felling, log skidding, and material transport, contributing to the efficiency and productivity of these industries.

These are just a few examples of the industries where rope pulleys are commonly employed. Their versatile nature and ability to enhance mechanical advantage make them valuable tools in a wide range of applications. The specific industry and application requirements dictate the selection of appropriate rope pulleys to optimize performance, efficiency, and safety.

China Standard Commission Heavy Duty Wire Sheave for Machine Building Industry   pulley driveChina Standard Commission Heavy Duty Wire Sheave for Machine Building Industry   pulley drive
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