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Sep . 15, 2025 21:15 Back to list

VD Chain Block- Qingyuan Juli Hoisting Machinery|Manual Lifting, Durability


The VD chain block represents a significant advancement in manual lifting technology, offering a combination of durability, efficiency, and user-friendly design. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of modern industrial applications. This article provides a comprehensive overview of the VD chain block's features, technical specifications, and real-world applications, supported by insights from the National Institute of Standards and Technology (NIST).

Product Description

The VD chain hoist is an upgraded version of traditional manual lifting tools, characterized by its sophisticated structure, compact size, and lightweight design. These improvements translate to enhanced work efficiency, making it an ideal choice for environments where portability and precision are critical. The hoist is constructed using high-quality materials and exquisite craftsmanship, ensuring long-term stability and reliable performance under demanding conditions.

Key design innovations include a double brake structure, which provides precise locking positions and effective stall control. This feature ensures stable lifting and enhanced safety, offering users greater peace of mind. Additionally, the thickened alloy steel cover is reinforced with a triangular design, offering anti-collision and anti-corrosion properties that significantly extend the product's lifespan.

Product Images

VD Chain Block- Qingyuan Juli Hoisting Machinery|Manual Lifting, Durability

VD Chain Block- Qingyuan Juli Hoisting Machinery|Manual Lifting, Durability

VD Chain Block- Qingyuan Juli Hoisting Machinery|Manual Lifting, Durability

VD Chain Block- Qingyuan Juli Hoisting Machinery|Manual Lifting, Durability

Main Technical 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

Product Details and Innovations

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

  • Streamlined Guide Wheel: The enlarged guide sprocket, combined with a smooth bearing and a derailleur, ensures zero resistance and no chain jamming.
  • Three-Bearing Linkage Design: This innovation replaces traditional gear friction with a rolling bearing system, significantly improving rotation efficiency and service life.
  • High-Strength Manganese Steel Pawl: The pawl is engineered for hardness, wear resistance, and fracture resistance, with a quenching process that enhances its toughness.
  • Safe Designed Hook: Featuring a quenched and refined structure with an anti-removal lock, this component ensures strength and durability.

Applications and Use Cases

The VD chain block is designed for versatile applications across multiple industries. Its portability and reliability make it suitable for:

  • Industrial Machinery Installation: Efficiently lifting heavy components in manufacturing settings.
  • Cargo Lifting and Vehicle Loading/Unloading: Ideal for logistics and transportation operations.
  • Construction and Mining: Performing tasks in open-air environments where power supply is limited.
  • Emergency and Remote Operations: Providing a manual alternative in situations without electrical infrastructure.

According to NIST, "Reliable manual lifting tools are critical for ensuring safety and efficiency in industrial operations, particularly in environments where automated systems are impractical." This aligns with the VD chain block's design philosophy of combining simplicity with robust performance.

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 the manual lifting equipment sector. The company's expertise in precision engineering and material science is evident in the VD chain block, which exemplifies their dedication to user-centric design and durability.

Qingyuan Juli's products are widely used in industrial, agricultural, and construction sectors, with a focus on safety and efficiency. Their customer-centric approach ensures that solutions like the VD chain block meet the evolving needs of modern industries.

Conclusion

The VD chain block stands as a testament to technological innovation and practical engineering. Its advanced design, technical specifications, and versatile applications make it an indispensable tool for industries requiring reliable manual lifting solutions. By leveraging high-quality materials, user-friendly features, and expert manufacturing, Qingyuan Juli Hoisting Machinery Co., Ltd. continues to set benchmarks in the manual chain hoist market.

For more information about the VD chain block and other products from Qingyuan Juli Hoisting Machinery Co., Ltd., visit their official website here.

References

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

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