Aug . 07, 2025 05:25 Back to list

VD Chain Block: Advanced Manual Lifting Solutions | Durable Design & Safe Operation

The VD chain block represents a significant advancement in manual lifting equipment, combining cutting-edge engineering with practical design to meet the demands of diverse industrial applications. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product exemplifies the synergy between durability, efficiency, and user-centric innovation. This article provides an in-depth analysis of the VD chain block's features, technical specifications, and real-world applications, supported by authoritative references to industry standards.

Product Overview and Key Features

The VD chain block is an upgraded manual lifting solution designed to enhance operational efficiency and safety. Its compact, lightweight structure makes it ideal for environments where space and mobility are critical. The product's high-quality materials and meticulous craftsmanship ensure long-term reliability, even under demanding conditions.

VD Chain Block: Advanced Manual Lifting Solutions | Durable Design & Safe Operation

Technical Innovations and Design Advantages

Double Brake Structure: Ensures precise locking positions and effective stall control, providing stable lifting performance and enhanced safety.
Thickened Alloy Steel Cover: Reinforced triangular design resists collisions and corrosion, extending the product's service life.
Streamlined Guide Wheel: Enlarged guide sprocket with smooth bearings and a custom chain derailleur minimizes resistance, preventing chain jams.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, improving rotation efficiency and durability.
High-Strength Manganese Steel Pawl: Quenched and tempered for superior hardness, wear resistance, and fracture toughness.
Safe-Designed Hook: Features a quenched, refined anti-removal lock for added security during operation.

Technical Specifications and Performance Metrics

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 (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

Applications and Industry Relevance

The VD chain block is engineered for versatility, making it suitable for a wide range of industrial and commercial applications. Its portability and manual operation make it ideal for environments where electrical power is unavailable or impractical. Key use cases include:

Industrial Machinery Installation: Facilitates precise lifting and positioning of heavy components in manufacturing settings.
Cargo Handling: Efficiently lifts and moves goods in warehouses, ports, and logistics hubs.
Construction and Mining: Provides reliable lifting solutions in open-air environments with minimal infrastructure.
Vehicle Maintenance: Assists in lifting vehicles and heavy machinery for repair and inspection tasks.

According to the National Institute of Standards and Technology (NIST), manual lifting equipment must adhere to strict safety and performance standards to ensure operational reliability. The VD chain block's design aligns with these principles, as highlighted in NIST's research on precision measurement systems and industrial standards.

Company Background and Industry Leadership

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting and handling equipment, renowned for its commitment to innovation and quality. With decades of expertise in the industry, the company has established itself as a trusted provider of solutions for both domestic and international markets. Their products are designed to meet global standards, ensuring safety, efficiency, and durability.

As emphasized by NIST, standards and measurements play a critical role in advancing technology and ensuring product reliability. Qingyuan Juli's adherence to these principles underscores its dedication to delivering high-performance lifting solutions that meet the evolving needs of modern industries.

Conclusion

The VD chain block exemplifies the convergence of advanced engineering and practical design in manual lifting technology. Its robust features, precise specifications, and wide-ranging applications make it an indispensable tool for industries requiring reliable, portable lifting solutions. By aligning with NIST's standards for precision and safety, Qingyuan Juli Hoisting Machinery Co., Ltd. continues to set benchmarks in the field of lifting equipment.

References

National Institute of Standards and Technology (NIST)

NIST - Precision Measurements

NIST - Industrial Standards

NIST - Standards and Measurements

VD Chain Block - Advanced Manual Chain Hoist | Qingyuan Juli&Safety