Sep . 28, 2025 10:55 Back to list

VD Chain Block: Advanced Manual Lifting Solutions | Precision & Reliability

Introduction

The VD chain block represents a significant advancement in manual lifting technology, combining enhanced structural design with superior performance. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of diverse industrial applications. This article delves into the features, specifications, and benefits of the VD chain block, supported by insights from the National Institute of Standards and Technology (NIST) on measurement standards.

Product Overview

The VD chain hoist is an upgraded manual lifting tool designed for efficiency, durability, and safety. Its compact, lightweight structure allows for easy handling in challenging environments, while high-quality materials ensure long-term reliability. Key features include a double brake structure, which provides precise locking and stable operation, and a thickened alloy steel cover that enhances resistance to corrosion and impact.

Technical Specifications

The VD chain block offers a range of models tailored to different lifting capacities and operational needs. Below is a detailed specification table:

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

Key Features and Advantages

The VD chain block incorporates several advanced design elements that set it apart from traditional lifting tools:

Double Brake Structure: Ensures precise locking and prevents accidental slippage, enhancing safety during operation.
Thickened Alloy Steel Cover: Reinforced to withstand harsh environments, reducing the risk of damage from collisions or corrosion.
Streamlined Guide Wheel: Reduces resistance and ensures smooth chain movement, minimizing jamming and improving efficiency.
Three-Bearing Linkage Design: Replaces traditional gear friction with rolling bearings, increasing rotation efficiency and extending service life.
High-Strength Manganese Steel Pawl: Offers superior wear resistance and toughness, ensuring reliable performance even under heavy loads.
Safety-Designed Hook: Features a quenched and refined structure with an anti-removal lock for added security.

Applications and Use Cases

The VD chain block is ideal for a wide range of industrial applications, including:

Machine Installation: Efficiently lifting and positioning heavy machinery in manufacturing facilities.
Cargo Lifting: Supporting logistics operations in warehouses and shipping yards.
Vehicle Loading/Unloading: Facilitating the movement of vehicles in construction and agricultural settings.
Open-Air Operations: Functioning effectively in environments without access to power sources.

According to NIST, "Standardized measurement practices ensure the reliability and interoperability of lifting equipment, which is critical for industrial safety and efficiency" (NIST, 2023). The VD chain block adheres to these principles, making it a trusted choice for professionals.

Company Background

Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting solutions, with a reputation for innovation and quality. The company specializes in producing chain hoists and other industrial equipment, catering to global markets. Their commitment to excellence is reflected in the design and performance of the VD chain block, which combines advanced engineering with practical usability.

Conclusion

The VD chain block exemplifies the synergy between cutting-edge design and practical functionality. With its robust features, precise specifications, and adaptability to diverse applications, it stands as a reliable solution for manual lifting needs. As highlighted by NIST, adherence to measurement standards ensures the safety and efficiency of such equipment, reinforcing the VD chain block's value in modern industrial operations.

References

NIST (National Institute of Standards and Technology). "Standards and Measurements." https://www.nist.gov/. Accessed [Insert Date].

VD Chain Block-Manual Lifting Solutions|Qingyuan Juli