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

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

How are crane pulleys customized for specific load-bearing requirements?

Crane pulleys can be customized to meet specific load-bearing requirements. Here's a detailed explanation of how crane pulleys are tailored for specific needs:

  • Load Capacity: Crane pulleys are designed and customized to handle different load capacities. The load capacity of a pulley depends on factors such as the strength and durability of the materials used, the diameter of the sheaves, and the number of sheaves in the pulley system. Pulleys can be engineered to accommodate a wide range of load capacities, from smaller loads in light-duty applications to extremely heavy loads in heavy industrial settings.
  • Sheave Diameter: The diameter of the sheaves can be customized based on the specific load-bearing requirements. Larger sheave diameters are typically used for heavy loads as they reduce the bending stress on the lifting cable or rope. By increasing the sheave diameter, the contact area between the sheaves and the rope or cable increases, distributing the load over a larger surface area and reducing wear and stress on the lifting medium.
  • Sheave Material: The choice of sheave material is important for meeting load-bearing requirements. Different materials offer varying levels of strength, durability, and resistance to wear and corrosion. The sheaves can be customized using materials such as steel, cast iron, or high-strength alloys to ensure they can withstand the specific load demands and operating conditions of the lifting task.
  • Multiple Sheave Configurations: Crane pulleys can be customized with different configurations of multiple sheaves to accommodate specific load-bearing requirements. The number of sheaves in a pulley system affects the mechanical advantage and load capacity. By adjusting the number and arrangement of sheaves, the pulley system can be optimized for different load-bearing scenarios, providing the necessary mechanical advantage and handling capacity.
  • Sheave Grooves: The groove configuration on the sheaves can be customized to match the characteristics of the lifting medium. Different types of ropes or cables have specific groove profiles to ensure secure engagement and prevent slippage. Customized sheave grooves distribute the load evenly across the lifting medium, reducing wear and maximizing safety.
  • Application-Specific Design: Crane pulleys can be designed and customized for specific applications. For example, in industries such as construction or offshore operations, where environmental conditions may be harsh or corrosive, pulleys can be coated or treated to enhance their resistance to corrosion. In specialized lifting tasks, such as handling delicate or sensitive materials, pulleys can be designed with additional features like cushioning or shock absorption to protect the load.

In summary, crane pulleys can be customized in terms of load capacity, sheave diameter, sheave material, multiple sheave configurations, sheave grooves, and application-specific design. These customizations ensure that the crane pulleys are well-suited for the specific load-bearing requirements, providing the necessary strength, durability, and performance for efficient and safe lifting operations.

crane pulley

Can you explain the key components and design features of a crane pulley?

A crane pulley consists of several key components and design features that enable its functionality in lifting and hoisting operations. Here's a detailed explanation of the key components and design features of a crane pulley:

Sheave:

The sheave is the central component of a crane pulley. It is a wheel or disk with a grooved rim that accommodates the lifting cable or rope. The sheave's design and dimensions depend on factors such as load capacity, rope diameter, and application requirements. The groove on the sheave ensures proper alignment and seating of the lifting cable or rope, preventing slippage and promoting smooth operation.

Frame or Housing:

A crane pulley is typically supported by a frame or housing that holds the sheave in place. The frame provides structural integrity and stability to the pulley system. It may be constructed from materials such as steel or aluminum, chosen for their strength and durability. The frame design may vary depending on the specific crane system and application.

Bearing System:

Crane pulleys incorporate bearings to facilitate smooth rotation of the sheave. The bearings reduce friction and allow the pulley to rotate freely even under heavy loads. Common types of bearings used in crane pulleys include ball bearings and roller bearings. The bearing system ensures efficient power transmission and minimizes wear on the pulley components.

Attachment Points:

A crane pulley is designed with attachment points to connect it to the crane system. These attachment points may include holes, hooks, or brackets that allow for secure installation and connection to the lifting mechanism. The design and location of these attachment points vary depending on the specific crane system and application requirements.

Load Capacity and Safety Factors:

The design of a crane pulley takes into account the intended load capacity and safety factors. The load capacity refers to the maximum weight the pulley system is designed to handle safely. Safety factors are applied to ensure that the pulley can handle unexpected load variations or dynamic forces without failure. The materials, dimensions, and construction of the pulley are determined to meet the required load capacity and safety standards.

Corrosion Resistance:

Crane pulleys are often exposed to harsh environments, including moisture, dust, and chemicals. Therefore, they are designed with corrosion-resistant features to enhance their durability and longevity. This may involve the use of protective coatings, such as galvanization or powder coating, to prevent rust and corrosion. Corrosion-resistant materials, such as stainless steel or aluminum, are also commonly utilized.

Maintenance and Serviceability:

Design features are incorporated into crane pulleys to facilitate maintenance and serviceability. This may include features such as access points for lubrication, inspection, or replacement of components. Removable covers or panels can provide easy access to the sheave, bearings, and other internal parts for maintenance tasks. The design also considers ease of disassembly and reassembly during pulley maintenance or replacement.

In summary, a crane pulley consists of key components such as the sheave, frame or housing, bearing system, attachment points, load capacity considerations, corrosion resistance features, and maintenance considerations. The design of these components and features ensures the pulley's functionality, load-bearing capability, durability, and ease of maintenance in lifting and hoisting operations.

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

2024-04-25

Crane pulley

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