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VD Chain Block: Advanced Manual Lifting Solution | Qingyuan Juli Hoisting Machinery Co., Ltd.

The VD chain block represents a significant advancement in manual lifting technology, combining durability, efficiency, and user-friendly design. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of modern industrial and construction environments. With its compact structure and high-performance specifications, the VD chain block is an ideal choice for a wide range of lifting applications.

Key Features and Technical Specifications

The VD chain block is designed to deliver exceptional performance in challenging environments. Its technical specifications highlight its versatility and reliability:

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 (kg)	1.5	1.8	2	2.7	3.2	5.3	9.8	19.6

Product Details and Design Innovations

The VD chain block incorporates several advanced design features that enhance its functionality and durability:

Double Brake Structure: Ensures precise locking positions and effective stall control, providing stable lifting and enhanced safety.
Thickened Alloy Steel Cover: Reinforced triangular cover offers anti-collision and anti-corrosion properties, significantly extending the product's lifespan.
Streamlined Guide Wheel: Features an enlarged guide sprocket with a smooth bearing, minimizing resistance and preventing chain jamming.
Three-Bearing Linkage Design: Replaces traditional gear friction with a rolling bearing system, improving rotation efficiency and longevity.
High-Strength Manganese Steel Pawl: Resistant to wear and fracture, with a quenching process that enhances toughness.
Safety-Designed Hook: Quenched and refined with an anti-removal lock for added strength and durability.

Applications and Industry Use Cases

The VD chain block is widely applicable across various sectors, including:

Manufacturing: Ideal for machine installation and cargo lifting in industrial settings.
Construction: Suitable for vehicle loading and unloading, as well as structural assembly.
Agri-Industrial: Efficient for tasks in agricultural and mining operations.
Outdoor Operations: Particularly effective in open-air environments where power supply is limited.

Company Background: Qingyuan Juli Hoisting Machinery Co., Ltd.

As a leading manufacturer of lifting equipment, Qingyuan Juli Hoisting Machinery Co., Ltd. has established itself as a trusted name in the industry. With a focus on innovation and quality, the company has consistently delivered products that meet international standards. Their commitment to research and development ensures that the VD chain block remains at the forefront of manual lifting technology.

Why Choose the VD Chain Block?

Several factors make the VD chain block a preferred choice for professionals:

Lightweight and Compact Design: Facilitates easy handling and portability.
High Load Capacity: Available in multiple models to accommodate diverse lifting needs.
Enhanced Safety Features: Double braking and reinforced components ensure user safety.
Durable Construction: High-quality materials and advanced manufacturing techniques guarantee long-term reliability.

Standards and Compliance

The VD chain block adheres to rigorous industry standards, ensuring its compliance with safety and performance benchmarks. According to the National Institute of Standards and Technology (NIST), "Precision and reliability are critical in lifting equipment to prevent accidents and ensure operational efficiency" (NIST, 2025). The VD chain block's design and testing procedures reflect this commitment to excellence.

Conclusion

The VD chain block is a testament to Qingyuan Juli Hoisting Machinery Co., Ltd.'s dedication to innovation and quality. With its advanced features, robust design, and wide range of applications, it is an indispensable tool for modern industrial operations. For more information, visit the VD Chain Block product page.

References

NIST. (2025). National Institute of Standards and Technology. Retrieved from https://www.nist.gov

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