China supplier Working Load Durable Steel Wire Rope Single Snatch Block Pulley pulley block

Product Description

Product Description

Good Quality Labor-Saving Double Wheel Ring Crane Pulley With Shackle

Labor-Saving Double Wheel Ring Crane Pulley With Shackle is Widely Used in American, Asian as well as the Mid East.  It is 1 kind of most popular Cable Pulley Block all over the world.  The size is from 375mm-845mm. NOTE *Special marks can be made according to customers’ requirments. *Special package can be made according to customers’ requirements. *We also offer steel wire rope, wire rope thimble, wire rope sleeve, high quality Chains, connecting link, eye ling hook, eye self locking hook, master link, master link assembly, welded master link, welded master link assembly, CHINAMFG link, etc.

 

Product Parameters

Labor-Saving Double Wheel Ring Crane Pulley With Shackle

CODE W.L.L/ton LENGTH/mm WIDTH/mm SIDE/mm DIAM OF ROPE/mm TEST LOAD/kn WEIGHT/kgs
HYR12-21101 1T 375 98 78 6.2~7.7 16 3.15
HYR12-21102 2T 420 116 94.5 7.7~11 32 6
HYR12-21103 3.2T 590 152 118 11~14 51 11
HYR12-21104 5T 625 176 136 12.5~15.5 80 20
HYR12-21105 8T 820 212 165 15.5~18.5 128 35
HYR12-21106 10T 845 236 180 17~20 160 47

Certifications

Packaging & Shipping

Payment Term

Exhibition

Our Factory

Established in 1984 with a focus on rigging hardware, chain, wire rope sling and assembly fabrication, CHINAMFG MACHINERY CO.LTD.has evolved to become a full service supplier in distributing steel wire ropes, lifting slings, and rigging hardware to serve our clients needs in the Oil and Gas, Crane and Rigging,Stevedoring, Marine and General Construction industries. Besides we are also dealing with fasteners and other construction products to meet the requirements from our customers in this line.
Our brands CHINAMFG has earned highly reputation from our customers all over the world. Our clients have appreciated our time tested maxim of delivering products and services with honesty and integrity and in return it is our clients which have made possible the growth of our Company to the level it is today. In order to meet the growth of our customer needs we have recently acquired a larger more modern warehouse and production facilities, updated and expanded our range of wire rope assembly production equipment, increased and broadened our already comprehensive inventory, and expanded our sales and fabrication departments, with competent and reliable wire rope professionals.

By entering our web site you will be given an idea of our stock range of products, which we feel is a good balance of the items most frequently requested by our Clients. Kindly note that there are numerous products and services that are not shown at this time, so if you do not see the product you are looking for on the site, please contact our sales office directly.We will be adding even more products, product features, safety and technical information to the site, in the very near future.

CHINAMFG people warmly welcomed your visit to our factory and discuss face to face, thank You! /* 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

Certification: CE, ISO
Manufacturing Process: Casting
Material: Carbon Steel
Samples:
US$ 50/Piece
1 Piece(Min.Order)

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Customization:
Available

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

rope pulley

What safety considerations should be kept in mind when using rope pulleys?

When using rope pulleys, several safety considerations should be kept in mind to ensure the well-being of individuals and the proper functioning of the pulley system. Here’s a detailed explanation of the safety considerations:

1. Equipment Inspection:

Before using rope pulleys, it is essential to inspect them thoroughly for any signs of damage, wear, or malfunction. Check for cracks, deformation, sharp edges, or corrosion that could compromise the pulley’s structural integrity. Inspect the attachment points, bearings, and axles to ensure they are secure and functioning properly. If any issues are detected, the pulley should be taken out of service and replaced or repaired as necessary.

2. Rope Compatibility:

Ensure that the rope used with the pulleys is compatible in terms of diameter, type, and strength. The rope should fit properly within the pulley’s groove, without excessive slack or binding. Using an incompatible rope can lead to performance issues, increased wear, or even catastrophic failure. Refer to the manufacturer’s recommendations for the appropriate rope specifications for the specific pulley.

3. Weight and Load Limits:

Respect the weight and load limits specified by the manufacturer for the pulley. Overloading a pulley can lead to excessive wear, deformation, or failure. Consider the combined weight of the load, the forces exerted during movement or lifting, and any potential dynamic loads. Ensure that the pulley and its associated components, such as anchor points and ropes, are rated to handle the expected loads safely.

4. Proper Installation:

Ensure that the pulleys are properly installed and securely attached to the anchor points or mounting systems. Follow the manufacturer’s instructions for correct installation techniques, such as using appropriate connectors, carabiners, or knots. Improper installation can lead to pulley slippage, unexpected movement, or detachment, compromising the safety and functionality of the system.

5. Redundancy and Backup Systems:

In critical applications or high-risk scenarios, consider incorporating redundancy and backup systems. This might include using multiple pulleys in parallel or establishing secondary anchor points. Redundancy helps mitigate the risk of a single point of failure and enhances the overall safety and reliability of the pulley system.

6. Proper Use of Personal Protective Equipment (PPE):

When using rope pulleys, ensure that the appropriate Personal Protective Equipment (PPE) is worn. This may include helmets, harnesses, gloves, and eye protection, depending on the specific activity and the associated hazards. PPE helps protect against potential falling objects, impacts, abrasions, or other risks associated with the use of pulleys.

7. Training and Competency:

Ensure that individuals operating the pulley system have received adequate training and possess the necessary competency for the specific activities. Proper training should cover topics such as pulley operation, rope handling techniques, safety procedures, and emergency response protocols. Competent individuals should be able to assess risks, make informed decisions, and respond effectively to any unforeseen circumstances that may arise during pulley operations.

8. Regular Maintenance and Inspection:

Implement a regular maintenance and inspection program for the pulley system. This includes periodic inspection of the pulleys, ropes, connectors, and anchor points. Lubrication of the pulley bearings, as recommended by the manufacturer, can help maintain their smooth operation. Regular maintenance helps identify and address any potential issues or wear before they compromise the safety and performance of the pulley system.

9. Environmental Considerations:

Take into account the environmental conditions in which the pulley system will be used. Factors such as temperature, humidity, exposure to moisture, or corrosive substances can affect the performance and lifespan of the pulleys and associated components. Consider using pulleys with appropriate corrosion resistance or protective coatings when operating in harsh environments.

10. Emergency Preparedness:

Have an emergency response plan in place and ensure that all individuals involved in the pulley operation are familiar with it. The plan should include procedures for rescuing individuals, addressing equipment failures, and handling unforeseen emergencies. Regular drills and practice sessions can help reinforce emergency preparedness and enhance the ability to respond effectively in critical situations.

In conclusion, keeping these safety considerations in mind when using rope pulleys is crucial for ensuring the well-being of individuals and the proper functioning of the pulley system. Proper equipment inspection, rope compatibility, adherence to weight and load limits, correct installation, redundancy, PPE usage, training, regular maintenance, environmental considerations, and emergency preparedness all contribute to a safe and reliable pulley operation.

rope pulley

What is the significance of proper rope selection and maintenance with pulleys?

Proper rope selection and maintenance are of utmost significance when using pulleys. Here’s a detailed explanation of their importance:

1. Rope Selection:

Choosing the right rope for a specific application is crucial for several reasons:

– Load Capacity: Different ropes have varying load capacities, which determine the maximum weight they can safely support. It’s essential to select a rope with a load capacity that exceeds the maximum load expected in the application. Using a rope with insufficient load capacity can lead to rope failure, compromising safety and potentially causing accidents or damage.

– Material Compatibility: Ropes are available in various materials such as nylon, polyester, polypropylene, or steel. Each material has different properties, such as strength, stretch, resistance to abrasion or chemicals, and flexibility. It’s important to consider the specific requirements of the application and choose a rope material that is compatible with the pulley system and the environment in which it will be used. For example, ropes used in marine environments may require high resistance to saltwater corrosion, while ropes used in heavy-duty applications may require exceptional strength and durability.

– Flexibility and Handling: The flexibility and handling characteristics of the rope can impact the overall performance of the pulley system. Some ropes are more pliable and easier to handle, while others may be stiffer or prone to kinking. Choosing a rope that is easy to work with and has good flexibility ensures smooth operation and minimizes the risk of the rope jamming or getting tangled within the pulley system.

2. Rope Maintenance:

Maintaining the rope and regularly inspecting it for signs of wear and damage is essential for the following reasons:

– Safety: Regular maintenance helps identify any potential issues or weaknesses in the rope that could compromise its integrity and safety. Signs of wear, fraying, or damage can indicate that the rope is nearing its breaking point and needs to be replaced. By promptly addressing these issues, the risk of sudden rope failure and associated accidents can be mitigated.

– Performance: Well-maintained ropes ensure optimal performance of the pulley system. Over time, dirt, debris, or moisture can accumulate on the rope, affecting its smooth movement through the pulleys. Regular cleaning and inspection help maintain the rope’s functionality, ensuring that it moves freely and without obstruction. This improves the efficiency and effectiveness of the pulley system.

– Longevity: Proper maintenance extends the lifespan of the rope. Regular cleaning, drying, and storage in a suitable environment can help prevent premature degradation caused by factors like UV exposure, moisture, or chemical exposure. By taking care of the rope, its durability and overall lifespan are maximized, reducing the need for frequent replacements.

– Compliance: In certain industries or applications, there may be specific regulations or standards regarding rope maintenance. Adhering to these requirements ensures compliance and helps meet safety standards set by regulatory bodies or industry best practices.

In summary, proper rope selection and maintenance are crucial when using pulleys. Selecting the right rope based on load capacity, material compatibility, and handling characteristics ensures safe and efficient operation of the pulley system. Regular maintenance, including inspection, cleaning, and addressing signs of wear or damage, enhances safety, performance, longevity, and compliance with industry standards. By giving due attention to rope selection and maintenance, the reliability and effectiveness of pulley systems can be optimized.

rope pulley

How do rope pulleys assist in lifting and moving heavy objects?

Rope pulleys play a vital role in lifting and moving heavy objects by providing mechanical advantage and changing the direction of applied forces. Here’s a detailed explanation of how rope pulleys assist in lifting and moving heavy objects:

1. Mechanical Advantage:

Rope pulleys provide a mechanical advantage, allowing users to exert less effort when lifting heavy objects. The mechanical advantage is achieved by distributing the weight of the load across multiple ropes and pulleys in a system. By increasing the number of pulleys or using a combination of fixed and movable pulleys, the mechanical advantage can be further enhanced. This redistribution of forces reduces the amount of force required by the user to lift or move the object, making it more manageable.

2. Directional Change of Forces:

Rope pulleys change the direction of the applied forces, enabling users to lift or move objects in a desired direction. When a rope is threaded through a pulley and attached to a load, pulling the rope downward results in an upward force on the load. This redirection of forces allows for vertical lifting as well as horizontal movement. By incorporating multiple pulleys and changing the arrangement of the ropes, the direction of forces can be adjusted to suit the specific lifting or moving requirements.

3. Increased Control and Precision:

Rope pulleys offer increased control and precision when lifting and moving heavy objects. The pulleys allow for smooth and controlled movement, minimizing jerks or sudden shifts that could potentially damage the load or cause accidents. This control is particularly important when dealing with delicate or fragile objects. By using rope pulleys, users can adjust the tension and movement of the ropes, ensuring a controlled and gradual lift or movement of the load.

4. Versatility and Adaptability:

Rope pulleys are versatile and adaptable tools for lifting and moving heavy objects. They can be used in a wide range of scenarios and environments, including construction sites, shipping yards, theaters, and recreational activities. Rope pulleys can accommodate different types of ropes or cables, allowing users to select the appropriate material and strength based on the specific requirements of the task. This versatility makes rope pulleys suitable for various applications and ensures efficient and safe lifting and movement of heavy objects.

5. Reduced Physical Strain and Risk of Injury:

By providing mechanical advantage and changing the direction of forces, rope pulleys help reduce the physical strain on users when lifting and moving heavy objects. This reduction in physical effort decreases the risk of fatigue, muscle strain, and potential injuries. Rope pulleys allow individuals to leverage their strength effectively and utilize proper lifting techniques, promoting safer working practices and minimizing the likelihood of accidents.

In conclusion, rope pulleys assist in lifting and moving heavy objects by providing mechanical advantage, changing the direction of forces, offering increased control and precision, and reducing physical strain and the risk of injury. Their design and functionality make them essential tools in various industries and scenarios where the efficient handling of heavy loads is required.

China supplier Working Load Durable Steel Wire Rope Single Snatch Block Pulley   pulley block	China supplier Working Load Durable Steel Wire Rope Single Snatch Block Pulley   pulley block
editor by CX