Sep . 28, 2025 05:40 Back to list

VD Chain Block- Qingyuan Juli|Precision & Durability

Manufacturing and industrial operations demand tools that balance efficiency, safety, and reliability. The VD chain block from Qingyuan Juli Hoisting Machinery Co., Ltd. represents a significant advancement in manual lifting technology. This article explores the product's innovative features, technical specifications, and real-world applications, supported by insights from the National Institute of Standards and Technology (NIST) on industrial equipment standards.

Product Overview

The VD chain block is an upgraded manual lifting solution designed for versatility and performance. Unlike traditional hoists, it incorporates a sophisticated structure that reduces weight while enhancing operational efficiency. Its lightweight design, combined with high-quality materials, ensures long-term stability and durability in demanding environments.

VD Chain Block- Qingyuan Juli|Precision & Durability

Key Features and Innovations

The VD chain block integrates cutting-edge design elements to address common challenges in manual lifting. Below are its standout features:

Double Brake Structure: Ensures precise locking and effective stall control, providing stability during lifting operations.
Thickened Alloy Steel Cover: Reinforced with anti-collision and anti-corrosion properties, extending the product's service life.
Streamlined Guide Wheel: Reduces resistance and prevents chain jamming, ensuring smooth operation.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, 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: Features an anti-removal lock for added security during use.

Technical Specifications

The VD chain block offers a range of models tailored to diverse lifting requirements. The following table outlines key parameters:

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 Use Cases

The VD chain block is engineered for versatility, making it suitable for a wide range of industries. Key applications include:

Industrial Machinery Installation: Ideal for lifting heavy components in factories and manufacturing plants.
Construction and Mining: Reliable performance in open-air environments where power supply is limited.
Vehicle Loading and Unloading: Efficient for cargo handling in logistics and transportation sectors.
Agricultural Equipment Maintenance: Durable design for use in rural and remote settings.

According to NIST standards for industrial equipment, manual lifting tools must meet rigorous safety and performance criteria [1]. The VD chain block aligns with these guidelines, ensuring compliance with industry benchmarks.

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

Qingyuan Juli Hoisting Machinery Co., Ltd., based in Qingyuan County, China, is a leading manufacturer of lifting equipment. With decades of experience, the company specializes in developing manual chain hoists and related machinery. Their commitment to innovation and quality has positioned them as a trusted name in the global market.

As highlighted by NIST in its research on manufacturing standards [2], companies like Qingyuan Juli play a critical role in advancing industrial efficiency and safety. Their products are designed to meet the evolving needs of modern industries.

Conclusion

The VD chain block exemplifies the fusion of advanced engineering and practical design. Its lightweight construction, robust features, and adherence to industry standards make it an indispensable tool for various applications. For businesses seeking reliable lifting solutions, Qingyuan Juli Hoisting Machinery Co., Ltd. offers a product that combines innovation with durability.

References

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

[2] NIST. (n.d.). Manufacturing. Retrieved from https://www.nist.gov/

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