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Sep . 19, 2025 13:10 Back to list

VD Chain Block- Qingyuan Juli Hoisting Machinery Co., Ltd.|Manual Lifting Solution, Safe Design


The VD chain block represents a significant advancement in manual lifting technology, combining compact design with robust performance. As a critical tool in industrial and construction settings, this chain hoist is engineered to deliver precision, safety, and reliability. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., the VD series exemplifies innovation in lifting equipment, addressing the evolving needs of modern industries.

VD Chain Block- Qingyuan Juli Hoisting Machinery Co., Ltd.|Manual Lifting Solution, Safe Design

VD Chain Block in action

Product Overview

The VD chain block is an upgraded manual lifting solution designed to enhance operational efficiency. Its compact structure and lightweight construction make it ideal for applications where portability and ease of use are paramount. Constructed from high-quality materials and featuring meticulous craftsmanship, the VD chain hoist ensures long-term durability and stable performance under demanding conditions.

Unlike traditional chain hoists, the VD model incorporates a double brake structure for precise locking and effective stall control. This design not only improves lifting stability but also enhances user safety, making it a preferred choice for tasks requiring meticulous attention to detail.

VD Chain Block- Qingyuan Juli Hoisting Machinery Co., Ltd.|Manual Lifting Solution, Safe Design

Key components of the VD Chain Block

Key Features and Innovations

1. Double Brake Structure

The VD chain hoist's double brake mechanism ensures precise locking at any position. This feature is critical for applications where sudden load drops could pose risks. The system's stability is further reinforced by a thickened alloy steel cover, which provides resistance against corrosion and physical damage, significantly extending the product's lifespan.

2. Streamlined Guide Wheel Design

Engineered for minimal resistance, the guide wheel features an enlarged sprocket and smooth bearings. This design, complemented by a derailleur and gear cover, ensures seamless chain movement and eliminates the risk of jamming. The result is a smoother lifting experience with reduced mechanical wear.

3. Three-Bearing Linkage System

By replacing traditional gear friction with a three-bearing linkage, the VD chain block improves rotation efficiency and service life. This innovation reduces energy loss during operation, making the hoist more user-friendly and efficient.

4. High-Strength Manganese Steel Pawl

The pawl, crafted from manganese steel, is hardened and quenched for exceptional toughness and wear resistance. This ensures the hoist maintains its functionality even in harsh environments, such as construction sites or industrial warehouses.

5. Safe-Designed Hook

The hook is designed with a quenched and refined structure, incorporating an anti-removal lock. This feature enhances the safety of the lifting process, preventing accidental disengagement of the load.

VD Chain Block- Qingyuan Juli Hoisting Machinery Co., Ltd.|Manual Lifting Solution, Safe Design

Manual Chain Hoist for specialized applications

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 Use Cases

The VD chain block is versatile, suitable for a wide range of applications. Its lightweight design and manual operation make it ideal for scenarios where power sources are unavailable. Key use cases include:

  • Industrial Machinery Installation: Precise lifting of heavy machinery components in factories.
  • Construction Sites: Transporting materials and equipment in open-air environments.
  • Vehicle Loading/Unloading: Efficient handling of cargo in logistics operations.
  • Mining Operations: Lifting and positioning heavy tools and materials in challenging conditions.
VD Chain Block- Qingyuan Juli Hoisting Machinery Co., Ltd.|Manual Lifting Solution, Safe Design

VD Chain Block in a construction setting

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

Founded with a commitment to innovation and quality, Qingyuan Juli Hoisting Machinery Co., Ltd. has established itself as a leader in lifting equipment manufacturing. The company's focus on advanced engineering and customer-centric solutions has earned it a reputation for reliability and excellence. With a strong emphasis on research and development, Qingyuan Juli continues to push the boundaries of lifting technology, ensuring its products meet the highest industry standards.

Why Choose the VD Chain Block?

The VD chain block stands out due to its combination of lightweight design, high durability, and user-friendly features. Its ability to maintain performance in diverse environments makes it a preferred choice for professionals seeking a dependable lifting solution. Furthermore, the product's compliance with international standards ensures safety and efficiency, backed by the company's commitment to quality.

Conclusion

The VD chain block is a testament to the advancements in manual lifting technology. With its innovative design, robust specifications, and versatile applications, it caters to the needs of various industries. As a product of Qingyuan Juli Hoisting Machinery Co., Ltd., the VD series exemplifies the company's dedication to excellence and innovation. For those seeking a reliable and efficient lifting solution, the VD chain block is an ideal choice.

References

1. National Institute of Standards and Technology (NIST) - NIST's role in establishing measurement standards and supporting technological advancements. For more information on industrial standards, visit NIST's official website.

2. VD Chain Block Product Page - Detailed specifications and features of the VD chain block.

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