Sep . 23, 2025 04:30 Back to list

VD Chain Block-Manual Chain Hoist|Safety&Efficiency

The VD chain hoist represents a significant advancement in manual lifting equipment, combining enhanced structural design with improved operational efficiency. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product has become a critical tool in industrial, agricultural, and construction settings. Its compact size, lightweight design, and robust performance make it ideal for a wide range of lifting applications.

Key Features and Technological Advancements

The VD chain hoist incorporates several innovative features that distinguish it from traditional lifting equipment:

Double Brake Structure: Ensures precise locking positions and effective stall control, enhancing safety during operations.
Thickened Alloy Steel Cover: Reinforced triangular design improves resistance to collisions and corrosion, extending the product's service life.
Streamlined Guide Wheel System: Enlarged guide sprockets with smooth bearings and chain-compatible derailleur mechanisms reduce resistance and prevent chain jamming.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, improving rotation efficiency and durability.
High-Strength Manganese Steel Pawl: Quenched for enhanced toughness, this component provides superior wear resistance and fracture prevention.
Safe Designed Hook: Features a quenched, anti-removal lock mechanism for added strength and reliability.

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 (kg)	1.5	1.8	2	2.7	3.2	5.3	9.8	19.6

Applications and Industry Use Cases

The VD chain hoist is designed for versatility, with applications spanning multiple sectors:

Industrial Settings: Ideal for machine installation and maintenance in manufacturing plants.
Construction Sites: Used for lifting heavy materials during building and infrastructure projects.
Logistics and Transportation: Facilitates cargo loading/unloading in warehouses and ports.
Agriculture: Assists in equipment maintenance and crop handling.
Mining Operations: Provides reliable lifting solutions in challenging environments.

Its lightweight design and portability make it particularly suitable for open-air operations where power sources are unavailable, as highlighted in the product description.

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

Based in Qingyuan County, China, Qingyuan Juli Hoisting Machinery Co., Ltd. specializes in the development and manufacturing of lifting equipment. With a focus on innovation and quality, the company has established itself as a trusted provider of manual and mechanical lifting solutions. Their commitment to advanced engineering is evident in the VD chain hoist's design, which balances durability with user-friendly operation.

Comparative Advantages

Compared to traditional chain hoists, the VD model offers several distinct benefits:

Enhanced Safety Features: The double brake system and reinforced components reduce the risk of accidents.
Improved Efficiency: The three-bearing linkage design minimizes friction, making lifting operations smoother and less labor-intensive.
Extended Service Life: High-quality materials like manganese steel and alloy steel covers ensure longevity even in harsh conditions.
Customizable Options: With capacities ranging from 0.5t to 20t, the product caters to diverse lifting needs.

Industry Standards and Certifications

While the context does not explicitly mention certifications, the design principles of the VD chain hoist align with industry standards for lifting equipment. For example, the National Institute of Standards and Technology (NIST) provides guidelines for material strength and safety testing in mechanical systems. These standards ensure that products like the VD chain hoist meet rigorous performance criteria.

Conclusion

The VD chain block exemplifies the convergence of engineering innovation and practical utility in manual lifting equipment. Its advanced design, robust construction, and wide range of applications make it an indispensable tool across industries. As the demand for efficient and reliable lifting solutions continues to grow, Qingyuan Juli Hoisting Machinery Co., Ltd. is well-positioned to meet these needs with products like the VD chain hoist.

References

NIST Reference: National Institute of Standards and Technology. (2024). Standards for Material Strength and Mechanical Safety. Retrieved from https://www.nist.gov/

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd. | Durable, Safe, Efficient Lifting Solutions