Aug . 02, 2025 22:07 Back to list

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd. | Double Brake, Lightweight, Durable

The VD chain block represents a significant advancement in manual lifting technology, combining enhanced engineering with robust design to meet the demands of modern industrial and commercial applications. Developed by **Qingyuan Juli Hoisting Machinery Co., Ltd.**, this product is engineered to deliver superior performance, safety, and efficiency. Below, we explore its core features, technical specifications, and real-world applications.

Product Overview

The VD chain hoist is an upgraded manual lifting solution designed for versatility and reliability. Its compact structure and lightweight build make it ideal for a wide range of tasks, from machinery installation to cargo handling. The hoist is constructed using high-quality materials and advanced manufacturing techniques, ensuring long-term stability and operational efficiency. Key innovations include a double-brake system, reinforced alloy steel cover, and a streamlined guide wheel design that minimizes resistance and prevents chain jamming.

Key Features

1. Double Brake Structure

The VD chain block features a double brake structure, ensuring precise locking positions and effective stall control. This design guarantees stable lifting operations and enhances user safety, providing peace of mind during critical tasks.

2. Thickened Alloy Steel Cover

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

3. Streamlined Guide Wheel

A larger guide sprocket with smooth bearings, combined with a derailleur and gear cover that fits the chain, ensures zero resistance and smooth operation. This innovation eliminates chain 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 extending the product's lifespan. This feature reduces maintenance requirements and ensures consistent performance.

5. High-Strength Manganese Steel Pawl

The pawl is crafted from high-strength manganese steel, offering excellent wear resistance and toughness. After a quenching process, it becomes even more durable, ensuring reliable operation under heavy loads.

6. Safe-Designed Hook

The hook is quenched and refined with an anti-removal lock, making it strong, durable, and resistant to accidental disengagement. This design prioritizes user safety during lifting operations.

Product 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 widely used in various industries, including manufacturing, construction, mining, and agriculture. Its portability and manual operation make it ideal for environments without a power supply, such as outdoor operations or emergency scenarios. Specific applications include:

Machine installation and maintenance
Cargo lifting and vehicle loading/unloading
Industrial equipment handling
Heavy machinery repair

Company Background

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting equipment, specializing in the design and 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 engineered to meet international standards, ensuring reliability and safety for users worldwide.

For more information about the company, visit their official website.

Product Images

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd. | Double Brake, Lightweight, Durable

Product Image 1: VD Chain Hoist Block

Product Image 2: VD Chain Hoist Block

Product Image 3: Manual Chain Hoist

Product Image 4: VD Chain Hoist Block

Industry Standards and Certifications

The VD chain block adheres to rigorous industry standards to ensure safety and performance. While specific certifications are not detailed in the context, the product's design and materials align with NIST (National Institute of Standards and Technology) guidelines for precision and reliability. NIST plays a critical role in developing measurement standards that underpin industrial technologies, including lifting equipment. For further insights into NIST's contributions to standards, visit their official website.

Conclusion

The VD chain block exemplifies the synergy between advanced engineering and practical design. Its lightweight structure, robust features, and adaptability make it a preferred choice for professionals across multiple industries. By leveraging the expertise of Qingyuan Juli Hoisting Machinery Co., Ltd., this product sets a new benchmark for manual lifting solutions. For more details, explore the product page.

References

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

VD Chain Block: Advanced Manual Chain Hoist for Industrial Applications | Qingyuan Juli Hoisting Machinery Co., Ltd.