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

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

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Customized Request

crane pulley

Are there different types of crane pulleys, and how do they vary in applications?

Yes, there are different types of crane pulleys, each designed for specific applications. Here's a detailed explanation:

Crane pulleys, also known as sheaves, come in various configurations to suit different lifting requirements and crane designs. The type of crane pulley used depends on factors such as load capacity, lifting mechanism, and specific application. Here are some common types of crane pulleys and their variations:

  • Single Sheave Pulleys: Single sheave pulleys consist of a single grooved wheel mounted on a shaft or pin. These pulleys are commonly used in simple lifting applications where a single cable or rope is employed. They provide basic lifting functionality and are often utilized in manual or small-scale lifting operations.
  • Multiple Sheave Pulleys: Multiple sheave pulleys, also called block and tackle systems, feature two or more grooved wheels arranged in a block. These pulleys provide increased mechanical advantage, allowing for easier lifting of heavier loads. Multiple sheave pulleys are commonly used in applications where high lifting capacities are required, such as in construction, shipping, and heavy industry.
  • Snatch Blocks: Snatch blocks are specialized pulleys that are designed to be attached to a fixed structure or anchoring point. They have a side plate or opening that allows the cable or rope to be inserted without threading it through the pulley. Snatch blocks are often used in rigging and recovery operations, providing flexibility and versatility in changing load directions or angles.
  • Wire Rope Pulleys: Wire rope pulleys are specifically designed to work with wire ropes, which are commonly used in crane lifting operations. These pulleys have grooves that are shaped to match the wire rope diameter and construction, providing optimal grip and minimizing wear on the rope. Wire rope pulleys are used in various crane types, including mobile cranes, overhead cranes, and tower cranes.
  • Heavy-Duty Pulleys: Heavy-duty pulleys are built to withstand high loads and harsh operating conditions. They are often constructed with durable materials such as cast steel or forged steel to ensure strength and longevity. Heavy-duty pulleys are used in demanding applications such as large-scale construction projects, mining operations, and offshore lifting.
  • Swivel Pulleys: Swivel pulleys are designed with a swiveling mechanism that allows the pulley to rotate freely, providing flexibility in load movement. These pulleys are commonly used in applications where the load needs to be maneuvered in different directions or where the lifting point may not be directly aligned with the load's final destination.

The choice of crane pulley depends on factors such as the specific lifting requirements, load capacity, environmental conditions, and the type of crane being used. It is essential to select the appropriate pulley type to ensure safe and efficient lifting operations.

In summary, there are different types of crane pulleys, including single sheave pulleys, multiple sheave pulleys, snatch blocks, wire rope pulleys, heavy-duty pulleys, and swivel pulleys. Each type serves specific purposes and varies in applications based on load capacity, lifting mechanism, and operational requirements.

crane pulley

What role do crane pulleys play in providing mechanical advantage for lifting?

Crane pulleys play a crucial role in providing mechanical advantage for lifting. Here's a detailed explanation of the role of crane pulleys in delivering mechanical advantage:

  • Force Multiplication: Crane pulleys utilize the principle of force multiplication to make lifting heavy loads easier. They achieve this by changing the direction of the force applied to the lifting cable or rope. When a force is applied downwards on one end of the rope passing through the pulley system, the pulleys redirect the force upwards, multiplying it in the process. This multiplication of force allows operators to lift loads that would be otherwise impossible or extremely difficult to lift using only human strength.
  • Mechanical Advantage Calculation: The mechanical advantage provided by a crane pulley system can be calculated based on the number of sheaves involved. In an idealized scenario where there is no friction or energy loss, the mechanical advantage is equal to the number of sheaves in the system. For example, a single sheave pulley provides a mechanical advantage of 1, while a system with three sheaves provides a mechanical advantage of 3. This means that the force required to lift the load is reduced by the mechanical advantage factor.
  • Efficiency and Energy Conservation: By providing mechanical advantage, crane pulleys improve the efficiency of lifting operations and conserve energy. The mechanical advantage reduces the amount of force required from the operator to lift the load. This reduction in force translates into less physical effort and reduced fatigue for the operator. Additionally, the use of mechanical advantage allows the operator to achieve the same lifting outcome with less input force, resulting in energy conservation.
  • Load Distribution: Crane pulleys contribute to load distribution during lifting tasks. As the load is lifted using the pulley system, the weight is distributed evenly across the multiple strands of the lifting cable or rope. This even distribution helps to maintain balance and stability during the lifting process, reducing the risk of imbalances or load shifts that could lead to accidents.
  • Precision and Control: The mechanical advantage provided by crane pulleys allows for precise positioning and controlled movement of heavy loads. Operators can adjust the tension and speed of the lifting process, enabling accurate placement of the load and smooth movement, even in tight or confined spaces. This precision and control are especially important in tasks that require delicate handling or precise positioning of the load.

In summary, crane pulleys play a fundamental role in providing mechanical advantage for lifting. By utilizing force multiplication, calculating mechanical advantage, improving efficiency and energy conservation, facilitating load distribution, and enabling precision and control, crane pulleys make it possible to lift heavy loads with reduced effort and enhanced safety.

crane pulley

In which industries and settings are crane pulleys commonly employed?

Crane pulleys find extensive use in various industries and settings where lifting and hoisting operations are required. Here's a detailed explanation of the industries and settings where crane pulleys are commonly employed:

Construction Industry:

Crane pulleys are widely used in the construction industry for lifting and moving heavy materials and equipment. They play a crucial role in construction sites for activities such as erecting structural components, lifting concrete slabs, and transporting building materials. Tower cranes and mobile cranes equipped with crane pulleys are commonly seen on construction sites, facilitating efficient and controlled lifting operations.

Manufacturing and Industrial Facilities:

In manufacturing and industrial facilities, crane pulleys are employed for material handling tasks. They enable the movement of heavy machinery, components, and raw materials within the facility. These pulleys are often integrated into overhead crane systems or gantry cranes, providing the necessary lifting power and flexibility for various industrial applications. Industries such as automotive, aerospace, steel, and heavy machinery manufacturing heavily rely on crane pulleys for their operations.

Ports and Shipping:

Ports and shipping terminals extensively use crane pulleys for loading and unloading cargo from ships and containers. Large container cranes, also known as ship-to-shore cranes, utilize crane pulleys to lift containers from vessels and transport them to storage areas or trucks. Crane pulleys are essential for efficiently handling the heavy loads involved in port operations and ensuring smooth logistics in the shipping industry.

Mining and Extraction:

In the mining and extraction industry, crane pulleys are employed for various tasks related to material extraction and transportation. They are used in mining operations to lift and move heavy ore, rocks, and equipment. Crane pulleys are also utilized in oil and gas extraction sites for lifting and positioning drilling equipment, pipes, and other components. The rugged design and high load capacity of crane pulleys make them suitable for the demanding conditions of mining and extraction operations.

Power Generation:

In power generation facilities, crane pulleys play a vital role in the installation, maintenance, and repair of power generation equipment. They are used to lift and position heavy transformers, generators, turbines, and other components during construction and maintenance activities. Crane pulleys enable precise and controlled handling of these large and delicate components, ensuring the efficiency and reliability of power generation systems.

Warehousing and Logistics:

In warehousing and logistics operations, crane pulleys are employed in overhead crane systems for efficient material handling. They are used to lift and transport heavy pallets, containers, and other goods within warehouses and distribution centers. Crane pulleys enable vertical and horizontal movement of loads, optimizing storage space and streamlining logistics operations.

Others:

Crane pulleys are also utilized in various other industries and settings, including shipbuilding, automotive assembly plants, foundries, infrastructure projects, and entertainment industries (for stage rigging). Wherever heavy lifting and precise positioning of loads are required, crane pulleys provide the necessary mechanical advantage and operational flexibility.

In summary, crane pulleys are commonly employed in industries such as construction, manufacturing, ports, mining, power generation, warehousing, and logistics. They are utilized in a wide range of settings where lifting and hoisting operations are necessary, enabling efficient material handling, precise positioning, and safe transportation of heavy loads.

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

2024-04-11

Crane pulley

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