China Hot selling Standardized Steel Cable Cast Iron Ring Forging Crane Electro-Hydraulic Drum Belt Pulley pulley puller

Product Description

 

Standardized Steel Cable Cast Iron Ring Forging Crane Electro-Hydraulic Drum Belt Pulley

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.

Detailed Photos

 

Our Advantages

Application

 

  Other Products

 

 

 

 

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,  

  /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

Type: Lifting
Material: Steel
Lifting Capacity: <1T
Fixed Form: Welding Type
Shape: Round
Certification: ISO 9001
Customization:
Available

|

Customized Request

crane pulley

What safety considerations should be kept in mind when working with crane pulleys?

When working with crane pulleys, it is essential to prioritize safety to prevent accidents and ensure the well-being of personnel involved in the lifting operations. Here are some important safety considerations to keep in mind:

  • Proper Training: Ensure that all personnel operating the crane and working with the pulley system have received adequate training and possess the necessary skills and knowledge. Proper training should cover topics such as safe lifting practices, load calculations, equipment inspection, and emergency procedures.
  • Equipment Inspection: Regularly inspect the crane and pulley system before each use to identify any signs of wear, damage, or malfunction. Check for proper functioning of safety features, such as limit switches, overload protection devices, and emergency stop buttons. Any identified issues should be addressed promptly, and damaged or faulty equipment should be taken out of service for repair or replacement.
  • Load Capacity: Always adhere to the recommended load capacity limits specified by the crane and pulley manufacturer. Overloading the pulley system can lead to structural failures, equipment damage, and accidents. Consider factors such as the weight, size, and stability of the load when determining the appropriate load capacity for the pulley system.
  • Rigging and Slinging: Follow proper rigging and slinging techniques to ensure that the load is securely attached to the pulley system. Use appropriate slings, shackles, and hooks, and ensure they are in good condition and properly rated for the load. Avoid rigging configurations that may create hazardous situations, such as unbalanced loads or improper load distribution.
  • Clearance and Obstacles: Maintain adequate clearance around the crane and pulley system to prevent collisions with structures, equipment, or personnel. Identify and address any potential obstacles, such as power lines, overhead structures, or underground utilities, that may interfere with the safe operation of the crane. Establish exclusion zones to keep unauthorized personnel away from the lifting area.
  • Communication: Establish clear communication protocols between the crane operator, signal person, and other personnel involved in the lifting operation. Use standardized hand signals or radio communication to convey instructions and ensure everyone is aware of their roles and responsibilities. Proper communication helps prevent misunderstandings and promotes safe coordination during lifting activities.
  • Emergency Preparedness: Have emergency procedures in place and ensure that all personnel involved are familiar with them. This includes protocols for responding to equipment failures, accidents, or unexpected events. Designate trained personnel to handle emergency situations and provide first aid, if needed. Regularly conduct drills and training exercises to practice emergency scenarios and enhance preparedness.
  • Environmental Considerations: Consider the environmental conditions in which the lifting operation will take place. Factors such as wind, rain, snow, or extreme temperatures can impact the stability and safety of the crane and pulley system. Take appropriate precautions and, if necessary, suspend or postpone lifting activities during adverse weather conditions.

By consistently adhering to these safety considerations, organizations can minimize the risks associated with crane pulley operations and ensure the safety of personnel involved. It is important to maintain a safety-focused mindset, promote a culture of safety, and regularly review and update safety protocols to align with industry best practices and regulatory requirements.

crane pulley

How does the configuration of sheaves on a crane pulley affect its performance?

The configuration of sheaves on a crane pulley has a significant impact on its performance. Here's a detailed explanation of how the sheave configuration affects the performance of a crane pulley:

  • Number of Sheaves: The number of sheaves on a crane pulley determines the amount of mechanical advantage it can provide. A single sheave pulley offers a basic mechanical advantage, while a multiple sheave pulley system can provide a higher mechanical advantage by increasing the number of times the rope or cable changes direction. The more sheaves a pulley has, the greater the mechanical advantage and the easier it becomes to lift heavy loads.
  • Sheave Diameter: The diameter of the sheaves affects the efficiency and performance of the crane pulley. Larger sheave diameters reduce the bending stress on the rope or cable, resulting in less friction and improved efficiency. Additionally, larger sheaves offer a greater contact surface area, reducing wear on the rope or cable and prolonging its lifespan.
  • Sheave Material: The material used for the sheaves can impact the performance of the crane pulley. Sheaves are typically made of materials such as steel, cast iron, or high-strength alloys. The choice of material depends on factors like load capacity, durability, and resistance to wear and corrosion. High-quality sheaves with appropriate materials ensure smooth operation, reduced friction, and enhanced longevity.
  • Sheave Grooves: The grooves on the sheaves play a crucial role in maintaining proper alignment and grip of the rope or cable. The groove configuration should match the characteristics of the lifting medium. Different types of ropes or cables require specific groove profiles to ensure secure engagement and prevent slippage. Properly designed sheave grooves distribute the load evenly across the rope or cable, reducing wear and maximizing safety.
  • Sheave Alignment: Correct alignment of the sheaves is essential for optimal performance. Misalignment can lead to increased friction, excessive wear on the rope or cable, and reduced efficiency. Proper alignment ensures smooth movement, reduces energy loss, and minimizes the risk of premature failure of the crane pulley.
  • Sheave Maintenance and Lubrication: Regular maintenance and lubrication of the sheaves are important for their performance. Clean and well-lubricated sheaves reduce friction, prevent corrosion, and ensure smooth operation. Proper maintenance practices, such as inspection for wear or damage and timely replacement of worn-out sheaves, contribute to the overall performance and safety of the crane pulley.

In summary, the configuration of sheaves on a crane pulley, including the number of sheaves, sheave diameter, sheave material, sheave grooves, alignment, and maintenance practices, significantly affects its performance. The right sheave configuration ensures optimal mechanical advantage, reduces friction and wear, improves efficiency, enhances safety, and prolongs the lifespan of the pulley system.

crane pulley

What is a crane pulley, and how is it used in lifting and hoisting operations?

A crane pulley is a type of pulley specifically designed for lifting and hoisting operations in crane systems. It plays a crucial role in the mechanical advantage and efficiency of the lifting process. Here's a detailed explanation of what a crane pulley is and how it is used in lifting and hoisting operations:

Definition and Design:

A crane pulley is a wheel or a set of wheels with a grooved rim designed to guide and support a lifting cable or rope. It typically consists of a central axle, known as the sheave, mounted on a frame or housing. The sheave has a groove around its circumference to accommodate the lifting cable or rope. The design of the pulley may vary depending on the specific crane system, load capacity, and application requirements.

Mechanical Advantage:

The primary purpose of a crane pulley is to provide a mechanical advantage in lifting and hoisting operations. By utilizing a combination of fixed and movable pulleys, the pulley system effectively multiplies the force applied by the crane operator. This mechanical advantage allows for the lifting of heavier loads with reduced effort. The number and arrangement of pulleys in the system determine the degree of mechanical advantage achieved. Common configurations include single pulley, double pulley, and multiple pulley systems.

Load Distribution:

A crane pulley helps distribute the load evenly across the lifting cable or rope. As the cable wraps around the sheave, the load is spread over a larger surface area, reducing the stress and potential wear on the cable. This load distribution is essential for maintaining the integrity and safety of the lifting system. The groove on the sheave ensures that the cable remains properly aligned and securely seated during the lifting operation.

Directional Changes:

In lifting and hoisting operations, a crane pulley is also used to change the direction of the lifting force. By redirecting the cable or rope, the pulley allows the load to be lifted vertically or moved horizontally as required. This directional flexibility is particularly useful in complex lifting scenarios where precise positioning or maneuvering of the load is necessary.

Wire Rope Support and Protection:

A crane pulley provides support and protection to the wire rope or lifting cable. The groove on the sheave prevents the rope from slipping or twisting during the lifting process. It also minimizes friction between the rope and the pulley, reducing wear and extending the rope's lifespan. Some crane pulleys incorporate additional features such as bearings or bushings to further enhance the smooth operation of the pulley system.

Application in Crane Systems:

Crane pulleys are integral components of various crane systems, including overhead cranes, tower cranes, mobile cranes, and gantry cranes. These systems are commonly used in construction sites, manufacturing facilities, ports, and other industrial settings for lifting and moving heavy loads. The crane pulley, along with other components such as the hoist motor, wire rope, and control mechanisms, enables precise and controlled lifting operations.

In summary, a crane pulley is a specialized pulley used in lifting and hoisting operations. It provides a mechanical advantage, distributes the load, changes the direction of the lifting force, and supports the wire rope or lifting cable. Crane pulleys are essential components in crane systems and play a crucial role in ensuring the efficiency, safety, and effectiveness of lifting operations.

China Hot selling Standardized Steel Cable Cast Iron Ring Forging Crane Electro-Hydraulic Drum Belt Pulley   pulley puller		China Hot selling Standardized Steel Cable Cast Iron Ring Forging Crane Electro-Hydraulic Drum Belt Pulley   pulley puller
editor by CX

2024-04-17

Crane pulley

As one of the crane pulley manufacturers, suppliers, and exporters of mechanical products, We offer crane pulley and many other products.

Please get in touch with us for details.

Manufacturer supplier exporter of crane pulley.

Recent Posts