China Best Sales Pulling Winch Lever Hoist 1.5 Ton Chain Pulley Block pulley design

Product Description

Heavy duty 0.25 ton-20ton Chain block & lever hoist
2.Standard height:1-3m 
3.Have certificate of CE
4. One year gurantee. 
HSZ-A(B)& HS & HSH-VT Type chain block& Lever block:

*Capacity from 0.25T to 20T.
*Bearings inside load chain sprocket increase mechanical efficiency
*Chain guides provide smooth chain operation.
*lightweight steel construction with durable powder coat finish.
*Drop forged hooks and hook holders, heat treated to ensure the safety and durability.
*Gear assembly provide smooth operation by little hand efforts.
*T80 grade high tensile lifting chain make more effective.
Chain Block & Lever Block technical parameter: 

Model HSZ-0.5 HSZ-1.0 HSZ-1.5 HSZ-2.0 HSZ -3.0 HSZ-5.0 HSZ-10.0 HSZ-20.0
Capacity (TON) 0.5T 1T 1.5T 2T 3T 5T 3T 3T
Standard Lifting Height(M) 3 3 2.5 3 3 3 3 3
Running test load (KN) 6.3 12.5 18.8 25 37.5 62.5 125 250
Effort required to lift max. load (N) 231 309 320 360 340 414 414 828
No. of chain strand 1 1 1 1 2 2 4 8
Load Chain Dia.(MM) 6 6 8 8 8 10 10 10
Net.weight(KG) 9 11 17 18 24 41 72 164
Dimensions   (MM) A 131 140 161 161 161 186 207 215
B 127 158 174 187 199 253 398 650
C 270 317 399 414 465 636 798 890

For More Kinds of Lifting Products Choice Show:

Our After-sale Services– within 24 Hours:
(1)….Before–Sale Service :
01..Quality Control: Strictly Production Request base on signed contract ;
02..Delivery Time: Guarantee within contracted delivery time ;
03..Photos: Send photos to our customer after finish production and packing ;
04..Packing Details:Give complete packing size table to our customer;
05..Brand: Respect our customers’ advice to use our customers’ own brand & logo ;
06..Documents:Provide high efficiency service to post you all required customs clearance documents by DHL or TNT .  

(2)….After–Sale Service :  
01..Reply : Fast reply all your questions on line or by email or by telephone ;
02..Quality Problems:Our factory is responsible for any problems if it is resulted by our reasons (Such as give you free new parts to repair it  or give enough some compensation cost to you) ;
03..Safe Operating: Pls remind your customers to respect our Operating Manual to operate our machine rightly, to guarantee Safe when operate our machine. /* 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

Application: Double Beam Crane, Gantry Crane, Bridge Crane, Tower Crane, Single Grinder Crane, Lifting Platform, Small Crane
Type: Chain Hoist
Sling Type: Chain
US$ 1/Piece
1 Piece(Min.Order)


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Customized Request

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

winch pulley

What maintenance procedures are required to keep winch pulleys in good condition?

To keep winch pulleys in good condition and ensure their optimal performance, several maintenance procedures should be followed. Here is a detailed explanation:

Regular maintenance is essential for the longevity, reliability, and safe operation of winch pulleys. By performing the following maintenance procedures, you can keep winch pulleys in good condition:

  • Cleaning: Regularly clean the winch pulleys to remove dirt, debris, and other contaminants that can accumulate over time. Use a soft brush or cloth to gently scrub the pulleys and remove any buildup. Pay special attention to the grooves, sheaves, and bearing areas. Avoid using harsh chemicals that can damage the pulleys or compromise their integrity.
  • Inspection: Conduct thorough inspections of the winch pulleys to identify any signs of wear, damage, or defects. Look for cracks, corrosion, bent or broken parts, or excessive wear on the sheaves or bearings. Check the cables, ropes, or straps for fraying, kinks, or signs of weakening. If any issues are detected, repair or replace the affected components promptly.
  • Lubrication: Apply appropriate lubrication to the winch pulleys to ensure smooth and efficient operation. Use lubricants recommended by the manufacturer, such as silicone-based or synthetic lubricants. Apply the lubricant to the bearing surfaces, sheaves, and other moving parts as per the manufacturer’s guidelines. Avoid over-lubrication, as it can attract dirt and debris.
  • Bearing Maintenance: Winch pulleys often have bearings that require maintenance. Check the manufacturer’s recommendations for bearing maintenance intervals and procedures. Clean and inspect the bearings regularly, and replace them if signs of wear or damage are present. Ensure that the bearings are properly lubricated to reduce friction and maintain their performance.
  • Alignment: Check the alignment of the winch pulleys to ensure they are properly aligned with the cables, ropes, or straps. Misalignment can cause premature wear, increased friction, and reduced efficiency. Adjust the pulleys as necessary to ensure proper alignment and smooth operation.
  • Load Testing: Periodically perform load testing to verify the load capacity and performance of the winch pulleys. Follow the manufacturer’s guidelines for load testing procedures and use appropriate equipment to apply controlled loads. Load testing helps identify any potential issues with the pulleys and ensures they can safely handle the intended loads.
  • Storage: If winch pulleys are not in use for an extended period, store them in a clean and dry environment. Protect them from moisture, extreme temperatures, and corrosive substances. Consider using protective covers or storage containers to prevent dust accumulation and potential damage during storage.
  • Manufacturer’s Recommendations: Always refer to the manufacturer’s recommendations and guidelines for specific maintenance procedures and intervals. Different winch pulleys may have unique maintenance requirements or specific considerations. Adhering to the manufacturer’s instructions ensures that the maintenance procedures are appropriate for the particular winch pulleys being used.

By following these maintenance procedures, you can keep winch pulleys in optimal condition, prolong their lifespan, and ensure safe and reliable operation. Regular maintenance not only enhances the performance of winch pulleys but also helps prevent potential failures or accidents during lifting and pulling operations.

winch pulley

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

When using winch pulleys, several safety considerations should be kept in mind to ensure safe and effective operation. Here are some important safety guidelines to consider:

  • Read and Follow Instructions: Always read and follow the manufacturer’s instructions and guidelines for the specific winch pulley being used. Familiarize yourself with the recommended operating procedures, load capacities, and any specific safety precautions provided by the manufacturer.
  • Inspect the Equipment: Before each use, thoroughly inspect the winch pulley and associated equipment for any signs of damage, wear, or defects. Check the cable, hooks, bearings, and other components for integrity and proper functioning. Do not use a winch pulley that shows signs of damage or wear, as it may compromise safety.
  • Ensure Proper Load Capacity: Ensure that the winch pulley is rated for the load capacity of the winch system. Exceeding the load capacity can lead to equipment failure and pose a safety hazard. Refer to the manufacturer’s specifications to determine the appropriate load capacity for the winch pulley.
  • Use Appropriate Personal Protective Equipment (PPE): Wear appropriate personal protective equipment, such as gloves and safety goggles, when operating winch pulleys. PPE can protect against potential injuries from sharp edges, flying debris, or accidental slippage. Follow any additional PPE recommendations provided by the manufacturer.
  • Secure Anchor Points: Ensure that anchor points, such as trees, posts, or vehicle recovery points, are secure and capable of withstanding the anticipated load. Weak or unstable anchor points can lead to equipment failure, causing injury or property damage. Use appropriate straps, hooks, or attachments to secure the winch pulley to the anchor points.
  • Proper Rigging: Rig the winch pulley properly, following industry best practices and guidelines. Use suitable cables, ropes, or straps that are in good condition and have adequate strength. Ensure that the rigging is free from knots, twists, or tangles that could compromise the strength or smooth operation of the winch pulley.
  • Keep Clear of the Line: Maintain a safe distance from the winch pulley and the winch cable during operation. Never place any body parts or loose clothing near the winch pulley or cable while it is under tension. The winch cable can snap under high tension, causing severe injuries. Always be aware of your surroundings and keep bystanders at a safe distance.
  • Control the Load: Exercise caution and control when operating the winch pulley. Avoid sudden or jerky movements that can cause the load to shift or the winch cable to become entangled. Maintain a steady and controlled pace while operating the winch pulley to minimize the risk of accidents or equipment damage.
  • Regular Maintenance: Perform regular maintenance on the winch pulley and associated equipment as recommended by the manufacturer. This may include lubrication, cleaning, and inspection of all components. Proper maintenance ensures the longevity, reliability, and safety of the winch pulley.
  • Training and Experience: Ensure that operators have proper training and experience in using winch pulleys. Familiarize yourself with the equipment and its operation before attempting any winching tasks. If you are unsure about how to safely use a winch pulley, seek guidance from a qualified professional.

By following these safety considerations, you can minimize the risks associated with using winch pulleys and ensure safe and efficient operation. Prioritizing safety is crucial to protect yourself, others, and the equipment involved in winching operations.

winch pulley

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

A winch pulley consists of several components and incorporates specific design features to ensure its functionality and durability. Here is a detailed explanation of the components and design features of a winch pulley:

  • Sheave: The sheave, also known as the wheel or pulley wheel, is a central component of the winch pulley. It is a grooved wheel that guides the winch cable or rope. The sheave typically has a V-shaped groove or multiple grooves to ensure proper alignment and secure grip on the cable or rope. The size and design of the sheave may vary depending on the intended application and load capacity of the winch pulley.
  • Frame or Housing: The sheave is mounted on a frame or housing, which provides support and stability for the winch pulley. The frame is designed to hold the sheave securely in place and withstand the forces and loads encountered during winching operations. It may have a compact and lightweight design for portable winches or a more robust and heavy-duty construction for industrial or off-road applications.
  • Attachment Point: The frame of the winch pulley typically includes an attachment point, such as a hook or a shackle, for connecting the pulley to an anchor or a load. This attachment point allows for secure and reliable connection, ensuring that the pulley can effectively transmit the pulling force between the winch and the load.
  • Materials: Winch pulleys are commonly made from durable and high-strength materials to withstand the demanding conditions of winching operations. Steel is a commonly used material for winch pulleys due to its strength and resistance to wear and deformation. Some winch pulleys may also incorporate high-strength alloys or other specialized materials to enhance performance and longevity.
  • Bearings: Bearings are critical components of winch pulleys as they enable smooth rotation of the sheave. High-quality bearings are used to minimize friction and ensure efficient operation. The bearings may be sealed or shielded to protect against contaminants and maintain proper lubrication, enhancing the overall durability and performance of the winch pulley.
  • Load Rating: Winch pulleys have specific load ratings that indicate their maximum capacity to handle loads. The load rating is determined based on factors such as the strength of the materials used, the design of the sheave, and the overall construction of the winch pulley. It is important to select a winch pulley with a load rating suitable for the intended application to ensure safe and efficient operation.
  • Finish and Coating: Some winch pulleys may incorporate finishes or coatings to enhance their performance and durability. For example, a corrosion-resistant coating or plating can be applied to protect the winch pulley from rust and corrosion, particularly in outdoor or marine environments. Surface treatments may also be used to reduce friction, improve wear resistance, or enhance the pulley’s overall performance.

In summary, a winch pulley consists of components such as the sheave, frame or housing, attachment point, bearings, and may incorporate materials, load ratings, and finishes or coatings. The sheave guides the winch cable or rope, while the frame provides support and stability. The attachment point allows for secure connection, and high-quality bearings ensure smooth rotation. The materials used are durable and high-strength, and the load rating indicates the maximum capacity of the winch pulley. Finishes and coatings can be applied for protection and improved performance. These components and design features collectively contribute to the functionality, durability, and reliability of winch pulleys in various winching applications.

China Best Sales Pulling Winch Lever Hoist 1.5 Ton Chain Pulley Block   pulley design	China Best Sales Pulling Winch Lever Hoist 1.5 Ton Chain Pulley Block   pulley design
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