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Sep . 15, 2025 17:30 Back to list

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solutions&Safe Design


Introduction

The VD chain block represents a significant advancement in manual lifting technology, combining improved design, durability, and efficiency. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of modern industrial and commercial applications. With a focus on safety, precision, and user-friendly features, the VD chain hoist is an essential tool for tasks ranging from machinery installation to cargo handling.

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solutions&Safe Design VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solutions&Safe Design VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solutions&Safe Design VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solutions&Safe Design

Product Features and Advantages

The VD chain hoist is designed with a sophisticated structure and a compact form factor, making it ideal for environments where space is limited. Its lightweight construction enhances portability, while the use of high-quality materials ensures long-term reliability. Below are some of the key features and advantages of this product:

1. Double Brake Structure

The VD chain block incorporates a double brake system, which provides precise locking positions and effective stall control. This feature ensures stable lifting operations and enhances safety, offering users peace of mind during critical tasks.

2. Thickened Alloy Steel Cover

The reinforced triangular cover is made from thickened alloy steel, offering resistance to collisions and corrosion. This design significantly extends the product's service life, even in harsh industrial environments.

3. Streamlined Guide Wheel

Equipped with an enlarged guide sprocket and smooth bearings, the VD chain block minimizes resistance and ensures smoother operation. The inclusion of a derailleur and gear cover that fits the chain further prevents jamming, improving overall efficiency.

4. Three-Bearing Linkage Design

The three-bearing linkage design replaces traditional gear friction with rolling bearings, enhancing rotation efficiency and prolonging the product's lifespan. This innovation reduces maintenance requirements and ensures consistent performance over time.

5. High-Strength Manganese Steel Pawl

The pawl is crafted from high-strength manganese steel, which is resistant to wear, fractures, and deformation. After undergoing a quenching process, the pawl becomes even tougher, ensuring reliable operation under heavy loads.

6. Safe Designed Hook

The hook is quenched and refined with an anti-removal lock mechanism, making it strong and durable. This design prevents accidental disengagement, adding an extra layer of safety during lifting operations.

Technical Specifications

The VD chain block is available in multiple models, each tailored to specific lifting capacities and operational requirements. Below is a detailed table of its technical specifications:

Model VD-0.5 VD-1 VD-1.5 VD-2 VD-3 VD-5 VD-10 VD-20
Capacity (t) 0.5 1 1.5 2 3 5 10 20
Standard Lifting Height (m) 2.5 2.5 2.5 2.5 3 3 3 3
Test Load Capacity (t) 0.75 1.25 2.25 3 4.5 7.5 12.5 25
pulling force to lift full load (N) 262 324 395 330 402 430 438 438
No. of Load Chain Lines 1 1 1 1 1 2 4 8
Diameter of Load Chain (mm) 5 6 7 8 10 10 10 10
Net Weight (kg) 9.3 12.2 16.5 19.5 32 43 80.7 180
Extra Weight per Meter of Extra Lifting Height (kg) 1.5 1.8 2 2.7 3.2 5.3 9.8 19.6

Applications

The VD chain block is a versatile tool suitable for a wide range of industries and applications. Its portability and durability make it ideal for:

  • Industrial Use: Machinery installation, equipment maintenance, and assembly line operations.
  • Construction: Lifting heavy materials, such as steel beams and concrete slabs, in construction sites.
  • Agriculture: Loading and unloading crops, as well as operating farm machinery.
  • Mineral Mining: Transporting minerals and equipment in underground and open-pit mines.
  • Logistics: Cargo handling in warehouses, ports, and distribution centers.

Its design is particularly well-suited for open-air environments and locations without a power supply, making it a reliable choice for remote or off-grid operations.

Company Background

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting equipment, specializing in the production of manual and electric chain hoists. With a commitment to innovation and quality, the company has established itself as a trusted name in the industry. Their products are designed to meet international standards, ensuring safety, efficiency, and longevity.

As highlighted by the National Institute of Standards and Technology (NIST), the importance of precision and reliability in lifting equipment cannot be overstated. NIST's research on material science and mechanical systems underscores the need for rigorous testing and adherence to safety protocols, which Qingyuan Juli Hoisting Machinery Co., Ltd. incorporates into its manufacturing processes.

Conclusion

The VD chain block is a testament to the advancements in manual lifting technology. With its innovative design, robust construction, and wide range of applications, it is an indispensable tool for industries that require reliable and efficient lifting solutions. Whether you are working in construction, agriculture, or logistics, the VD chain hoist offers the performance and safety needed to tackle demanding tasks.

References

National Institute of Standards and Technology (NIST). (n.d.). Retrieved from https://www.nist.gov/

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