China Standard Crane Spare Parts Rope Pulley Small Qy25K. 02II. 3.21-2 for Crane 50t pulley block

Product Description

Original Crane Spare Parts Rope Pulley Small QY25K.02II.3.21-2 for Crane

 

Product Description

 

Part Name

Rope Pulley Small

Brand Name

 

Part Number

QY25K.02II.3.21-2    

Application

Crane

Mini Order

One Set/ Piece

Packing

Carton,Wooden Box, Pallet

Supply Ability

10000 Pieces

OEM

Available

Quality Standard

100% Tested

Quality Certification

ISO,CCC,GSO,CE,SGS,TUV

Condition

New

Payment Terms

L/C, T/T, Western Union,Paypal

Origin

China

Loading Port

Any Port In China

 

Detailed Photos

 

 

Company Profile

 

Company Information / About Us

ZheJiang CHINAMFG VEHICLE TRADING CO., LTD (HOKA VEHICLE hereafter in short) has been engaged in the heavy duty truck industry for more than 15 years. With the professional team and first class design and production experience and market capacity, CHINAMFG VEHICLE has exported and delivered more than 5,000 units heavy duty trucks to countries across Africa Middle  East, Southeast Asia and South America. 

HOKA VEHILCE maintains dealership and distribution authorization from manufacturer including SINOTRUK, SHACMAN, FOTON, CIMC, SHENGRUN, HELI, etc. Our main products range from Dump truck, Tractor Truck, Concrete Mixer, Truck Van, Truck Lorry Truck, Off-road Dump, Truck Tanker, Truck Mounted Cranes, trailer tanker, trailers and all other kinds of modified trucks. 

CHINAMFG VEHILCE, we transport your cargos, we deliver the world, we carry your dreams!

Why Choose Us

Worldwide Sales, Marketing and Service Network

During the past 15 years, we have exported over 5,000 units of different kinds of heavy duty trucks to over 50 countries in Africa, Middle East, Southeast Asia, and South America. Our overseas authorized truck dealers and service dealers are all around the world.

Wide Ranges of Various Modified Trucks with Different Applications

Our main products range from Dump Truck, Tractor Truck, Concrete Mixer Truck, Van Truck, Lorry Truck, Off-road Dump Truck, Tanker Truck, Truck Mounted Cranes, trailer, tanker trailers and all other kinds of modified trucks. We can design, produce and supply our customers with any special vehicle.

Flexible Payment Terms for Different Trucks and Business

Besides traditional payment terms such as TT, LC, we still offer our stable and long-term partners with various financial support and credit payment terms at different periods. 

Excellent and Outstanding After Sales Service

Our professional technicians and mechanics and parts staff always concentrate all our products and our customers. Top Starting Point, High Quality and Worry-free Service is our promise to all our customers.

High Efficiency is One of Our Goal and Promise to Our Customers

We will be always with our customers whenever and wherever we are. All problems and questions shall be solved by our end at the first time. Customer priority outstands without any doubt.
 

Latest Truck Development and Trends Shall Be Delivered Regularly

We have abundant technical team, familiar with local and major exporter product standards. Our customers will be regularly updated with the latest truck development and trends in China and other countries.
 

Who we are?

The most professional truck and spare parts distributor in China;

The leading truck and spare parts exporter in China;

The most comprehensive truck and spare parts solution provider in China;

The most worry-free and most satisfactory and reputable supplier for you in China.

We will never let you down if you choose us.
 

Contact us:

Sales Manager: Lock Wu

 

 

 

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Min. Order Quantity: 1
OEM: Available
Stock: Available
Transport Package: Carton
Origin: China
Samples:
US$ 42/Piece
1 Piece(Min.Order)

|
Request Sample

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 do crane pulleys contribute to the safety and precision of lifting operations?

Crane pulleys play a crucial role in ensuring the safety and precision of lifting operations. Here's a detailed explanation:

Crane pulleys are integral components of the lifting mechanism in cranes. They are designed to guide and support the cables or ropes used for lifting heavy loads. The proper functioning of crane pulleys is essential for safe and precise lifting operations. Here are the ways in which crane pulleys contribute to safety and precision:

  • Load Distribution: Crane pulleys help distribute the load evenly across multiple strands of cable or rope. By spreading the load, pulleys reduce stress on individual strands, minimizing the risk of overloading and potential failure. Even load distribution ensures that the weight is evenly supported, reducing the likelihood of sudden shifts or imbalances during lifting.
  • Mechanical Advantage: Crane pulleys provide a mechanical advantage that enables the lifting of heavy loads with less effort. The pulleys increase the effective force applied to the load, making it easier for the crane to lift and move heavy objects. This mechanical advantage allows for precise control and reduces the strain on the crane's lifting mechanism, promoting safe and controlled lifting operations.
  • Reduced Friction: Pulleys are designed with grooves that guide the cable or rope, reducing friction during lifting operations. The reduced friction minimizes wear on the cable and the pulley itself, ensuring smooth movement and preventing overheating. By reducing friction, pulleys contribute to the efficiency of lifting operations and help maintain the integrity of the lifting system.
  • Controlled Movement: Crane pulleys facilitate controlled movement of the load. By adjusting the position of the pulleys, operators can change the direction and speed of the load's movement. This allows for precise positioning, alignment, and placement of the load, even in confined or challenging spaces. The controlled movement provided by pulleys enhances safety by minimizing the risk of collisions, accidents, or damage to the load or surrounding structures.
  • Overload Protection: In some crane pulley systems, load limiters or overload protection devices can be integrated. These devices monitor the load being lifted and provide warnings or automatically stop the lifting operation if the load exceeds the crane's capacity. By incorporating such safety features, crane pulleys contribute to preventing overloading accidents and protecting the crane and its surrounding environment.
  • Operator Visibility: Crane pulleys, especially those used in overhead cranes or gantry cranes, are often positioned at elevated heights. This placement allows operators to have better visibility of the load and the lifting area. Improved visibility enhances safety by enabling operators to monitor the lifting operation closely, detect any potential hazards, and make necessary adjustments or corrections in real-time.

In summary, crane pulleys play a vital role in ensuring the safety and precision of lifting operations. They contribute to even load distribution, provide a mechanical advantage, reduce friction, enable controlled movement, incorporate overload protection, and enhance operator visibility. By functioning effectively, crane pulleys promote safe lifting practices, minimize risks, and facilitate precise and efficient load handling.

crane pulley

How does a crane pulley assist in the safe and efficient lifting of heavy loads?

A crane pulley plays a crucial role in ensuring the safe and efficient lifting of heavy loads. Here's a detailed explanation of how a crane pulley assists in achieving these objectives:

Mechanical Advantage:

A crane pulley provides a mechanical advantage that allows operators to lift heavy loads with less effort. By utilizing the principle of leverage, a pulley system multiplies the force applied to the lifting cable or rope. As the rope passes through the grooved rim of the pulley, it changes the direction of the force and distributes the load across multiple strands. This mechanical advantage reduces the amount of force required by the operator to lift the load, making the lifting process more manageable and efficient.

Load Distribution:

A crane pulley assists in distributing the weight of the load evenly across the lifting cable or rope. The grooved rim of the pulley ensures that the cable or rope sits securely in place, preventing slippage during lifting operations. This even distribution of the load helps to maintain stability and balance, minimizing the risk of accidents or imbalances that could cause the load to shift or fall.

Controlled Movement:

Crane pulleys enable controlled movement of heavy loads during lifting operations. The pulley system allows operators to adjust the speed and direction of the lifting process by manipulating the tension in the lifting cable or rope. This control is crucial for precise positioning of the load, especially in scenarios where the load needs to be placed accurately or maneuvered through tight spaces. The ability to control the movement of the load enhances safety and prevents damage to the load or surrounding structures.

Reduction of Strain and Fatigue:

By utilizing a crane pulley, the strain and fatigue on the operator are significantly reduced. The mechanical advantage provided by the pulley system lessens the physical effort required to lift heavy loads. This reduction in strain and fatigue not only improves operator comfort but also enhances their ability to focus on the lifting operation, reducing the risk of human error and increasing overall safety.

Load Capacity and Safety Factors:

Crane pulleys are designed to handle specific load capacities and incorporate safety factors to ensure safe lifting operations. The load capacity of a crane pulley is determined by factors such as its size, material strength, and construction. Safety factors are applied to account for unexpected load variations or dynamic forces that may occur during lifting operations. By adhering to load capacity and safety standards, crane pulleys provide a reliable and secure lifting mechanism for heavy loads.

Integration with Crane Systems:

Crane pulleys are often integrated into larger crane systems, such as overhead cranes or mobile cranes. These systems provide additional features and controls to enhance the safe and efficient lifting of heavy loads. The integration allows for precise positioning, smooth movement, and coordinated operations, ensuring optimal performance and safety during lifting operations.

In summary, a crane pulley assists in the safe and efficient lifting of heavy loads by providing a mechanical advantage, distributing the load evenly, enabling controlled movement, reducing strain and fatigue on operators, adhering to load capacity and safety factors, and integrating with crane systems. These features and functionalities contribute to smoother and safer lifting operations, minimizing the risk of accidents, improving productivity, and optimizing the overall efficiency of heavy load handling.

China Standard Crane Spare Parts Rope Pulley Small Qy25K. 02II. 3.21-2 for Crane 50t   pulley block	China Standard Crane Spare Parts Rope Pulley Small Qy25K. 02II. 3.21-2 for Crane 50t   pulley block
editor by CX

2024-05-13

Crane pulley

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