7 月 . 29, 2025 22:00 Back to list

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Lightweight Manual Chain Hoist&Industrial Efficiency

The VD chain block represents a significant advancement in manual lifting technology, combining lightweight design, enhanced durability, and improved operational efficiency. Developed by **Qingyuan Juli Hoisting Machinery Co., Ltd.**, this product is engineered to meet the demands of diverse industrial environments. This article delves into the features, technical specifications, applications, and the company's commitment to quality, supported by references to authoritative standards from the National Institute of Standards and Technology (NIST).

Product Overview

The VD chain block is an upgraded version of traditional manual chain hoists, designed to address the limitations of older models. Its compact structure and lightweight construction make it ideal for tasks requiring portability and precision. The use of high-quality materials and advanced manufacturing techniques ensures long-term stability and reliable performance even under demanding conditions.

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Lightweight Manual Chain Hoist&Industrial Efficiency

Key Features and Advantages

The VD chain block incorporates several innovative features that set it apart from conventional hoists:

Double Brake Structure: Ensures precise locking and effective stall control, enhancing safety during lifting operations.
Thickened Alloy Steel Cover: Reinforced with a triangular design, this feature improves impact resistance and corrosion protection, extending the product's lifespan.
Streamlined Guide Wheel: The enlarged sprocket and smooth bearing design reduce resistance, ensuring zero chain jamming and smoother operation.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, improving rotation efficiency and service life.
High-Strength Manganese Steel Pawl: Wear-resistant and fracture-resistant, this component is further enhanced by a quenching process for added toughness.
Safe Designed Hook: Features a quenched and refined design with an anti-removal lock, ensuring durability and stability.

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 and Industry Use Cases

The VD chain block is designed for versatile applications across industries such as manufacturing, construction, agriculture, and logistics. Its portability and ease of use make it suitable for tasks like:

Machine installation: Efficiently lifting and positioning heavy machinery.
Cargo loading/unloading: Ideal for open-air operations where power sources are unavailable.
Vehicle maintenance: Facilitating repairs and inspections in automotive workshops.
Construction sites: Supporting material handling in areas with limited access to electrical systems.

According to the National Institute of Standards and Technology (NIST), manual lifting equipment must adhere to strict safety and performance standards to prevent workplace accidents. The VD chain block's design aligns with these principles, ensuring compliance with industry regulations and user safety.

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

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting and handling equipment, specializing in manual chain hoists and chain blocks. With a focus on innovation and quality, the company has established itself as a trusted supplier in global markets. Their commitment to research and development ensures that products like the VD chain block meet international standards and customer expectations.

For more information about the company and its product range, visit their official website.

Conclusion

The VD chain block exemplifies the synergy between advanced engineering and practical design. Its lightweight construction, high load capacity, and user-friendly features make it an indispensable tool for modern industrial operations. By adhering to NIST guidelines and leveraging premium materials, Qingyuan Juli Hoisting Machinery Co., Ltd. continues to set benchmarks in the lifting equipment industry.

References

National Institute of Standards and Technology (NIST). "Standards for Industrial Lifting Equipment." Retrieved from https://www.nist.gov/.

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.|Advanced Manual Lifting Solution&Industrial Efficiency