Sep . 15, 2025 13:15 Back to list

VD Chain Block: Advanced Manual Lifting Technology | Precision Engineering

The VD chain hoist represents a significant advancement in manual lifting equipment, combining enhanced engineering with practical design. As a product of Qingyuan Juli Hoisting Machinery Co., Ltd., this device is engineered to meet the demands of modern industrial applications. This article explores its features, specifications, and real-world applications, supported by authoritative insights from the National Institute of Standards and Technology (NIST).

Product Overview

The VD chain hoist is an upgraded version of traditional manual lifting tools, featuring a more sophisticated structure and compact design. Its lightweight construction and improved efficiency make it ideal for various industries. According to NIST's research on measurement standards, precision engineering is critical for ensuring operational safety and reliability in lifting equipment. The VD chain hoist exemplifies this principle through its high-quality materials and meticulous craftsmanship.

VD Chain Block: Advanced Manual Lifting Technology | Precision Engineering

Key Features and Advantages

1. Enhanced Structural Design

The VD chain hoist incorporates a double brake structure, ensuring precise locking positions and effective stall control. This design enhances safety by stabilizing lifting operations and minimizing risks during use.

2. Durable Materials

Manufactured with thickened alloy steel covers, the hoist features reinforced triangular structures that resist collisions and corrosion. NIST's standards for material durability emphasize the importance of such features in extending equipment lifespan, as highlighted in their research on industrial materials.

3. Streamlined Mechanism

The hoist includes a streamlined guide wheel with zero resistance, achieved through an enlarged guide sprocket and a derailleur system. This design ensures smooth chain movement and prevents jamming, as noted in NIST's work on mechanical efficiency.

4. Three-Bearing Linkage

The three-bearing linkage design replaces traditional gear friction with rolling bearings, improving rotation efficiency and longevity. This innovation aligns with NIST's focus on optimizing mechanical systems for performance and reliability.

5. Safety Features

The hoist's safety-designed hook is quenched and refined with an anti-removal lock, ensuring strength and durability. NIST's guidelines on safety standards for lifting equipment underscore the importance of such features in preventing accidents.

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 widely used in industries such as manufacturing, construction, agriculture, and mining. Its portability and manual operation make it suitable for environments without power supply, as noted in the product description. For example:

Machine Installation: Facilitates precise lifting of heavy machinery components.
Cargo Handling: Ideal for loading and unloading goods in warehouses and ports.
Vehicle Maintenance: Assists in lifting vehicles for repairs and inspections.

Company Background

Qingyuan Juli Hoisting Machinery Co., Ltd. has established itself as a trusted manufacturer of lifting solutions. With a focus on innovation and quality, the company adheres to international standards for safety and performance. Their commitment to excellence is reflected in the VD chain hoist's design, which aligns with NIST's emphasis on precision engineering.

Conclusion

The VD chain hoist combines advanced technology with practical design, making it a reliable choice for manual lifting tasks. Its robust features, such as the double brake system and high-strength materials, ensure safety and efficiency. For more information, visit VD Chain Hoist Product Page or explore Qingyuan Juli Hoisting Machinery Co., Ltd. to learn about their full range of solutions.

References

NIST. (n.d.). National Institute of Standards and Technology. Retrieved from https://www.nist.gov

NIST. (n.d.). Standards and Measurements. Retrieved from https://www.nist.gov

VD Chain Block - Qingyuan Juli Hoisting Machinery Co., Ltd.