Sep . 27, 2025 22:15 Back to list

VD Chain Block-æ¸èå¿å·¨åèµ·éæºæ¢°æéå¬å¸|Manual Lifting, Safe Operation, Durable Design

The VD chain block represents a significant advancement in manual lifting technology, combining precision engineering with user-centric design. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of diverse industrial applications. This article provides an in-depth analysis of its features, technical specifications, and practical applications, supported by authoritative references and visual documentation.

Product Overview

The VD chain block is an upgraded version of traditional manual chain hoists, designed to offer enhanced performance, durability, and operational efficiency. Its compact structure and lightweight design make it ideal for both indoor and outdoor use, while its robust construction ensures reliability in challenging environments. The product is particularly suited for tasks such as machine installation, cargo lifting, and vehicle loading/unloading in industries like construction, agriculture, and mining.

Key Features and Innovations

The VD chain block incorporates several advanced design elements that set it apart from conventional models:

Double Brake Structure: Ensures precise locking positions and effective stall control, enhancing safety during lifting operations.
Thickened Alloy Steel Cover: Reinforced triangular design improves resistance to collisions and corrosion, extending the product's service life.
Streamlined Guide Wheel: Enlarged sprocket with smooth bearings and a derailleur system minimizes resistance and prevents chain jamming.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, boosting rotation efficiency and durability.
High-Strength Manganese Steel Pawl: Hard, wear-resistant, and fracture-resistant, with a quenching process for added toughness.
Safe-Designed Hook: Features a quenched, anti-removal lock mechanism for enhanced strength and reliability.

Technical Specifications

The VD chain block is available in multiple models, each tailored to specific lifting capacities and operational requirements. The following table outlines the 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 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 Use Cases

The VD chain block is designed for versatility, making it suitable for a wide range of industrial applications. Its lightweight and compact design allow for easy portability, while its robust construction ensures reliability in demanding environments. Key applications include:

Industrial Machinery Installation: Efficient lifting and positioning of heavy machinery components.
Construction and Mining: Lifting materials and equipment in open-air settings where power supply may be limited.
Vehicle Loading/Unloading: Simplifying the process of moving cargo in logistics and transportation.
Agricultural Equipment Maintenance: Supporting the lifting and repair of farm machinery in rural areas.

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

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting equipment, specializing in the production of manual and electric chain hoists. With years of experience in the industry, the company is committed to delivering high-quality, durable products that meet international standards. Their focus on innovation and customer satisfaction has established them as a trusted name in the lifting solutions market.

Industry Standards and Safety Compliance

The VD chain block adheres to rigorous safety and performance standards, ensuring compliance with industry regulations. According to the National Institute of Standards and Technology (NIST), "Manual lifting devices must undergo thorough testing to ensure they can safely handle specified loads under various operational conditions" (NIST, 2023). The VD chain block's design and testing align with these principles, as evidenced by its high test load capacities and reinforced structural components.

Conclusion

The VD chain block exemplifies the fusion of advanced engineering and practical design, offering a reliable solution for manual lifting needs. Its combination of lightweight construction, robust features, and versatility makes it an essential tool for industries requiring efficient and safe lifting operations. For more information, visit the VD chain block product page or explore the company's official website.