The VD chain block represents a significant advancement in manual lifting technology, combining innovative design with robust engineering. Developed by Qingyuan Juli Hoisting Machinery Co., Ltd., this product is engineered to meet the demands of modern industrial and construction environments. With its lightweight structure, enhanced efficiency, and safety features, the VD chain block is ideal for a wide range of applications. This article explores the product's features, technical specifications, and real-world benefits, supported by authoritative references and detailed imagery.
The VD chain hoist is an upgraded manual lifting solution designed to deliver superior performance and reliability. Unlike traditional models, the VD chain block features a more sophisticated structure, reduced size, and improved work efficiency. Its lightweight design ensures ease of handling, while the use of high-quality materials guarantees long-term durability. The hoist is constructed with premium-grade alloys and meticulous craftsmanship, ensuring stable performance even under prolonged use.
One of the standout features of the VD chain block is its double brake structure, which ensures precise locking positions and effective stall control. This design enhances safety during lifting operations, providing users with peace of mind. Additionally, the hoist includes a thickened alloy steel cover that is reinforced to resist collisions and corrosion, significantly extending its service life. The streamlined guide wheel and zero-resistance design further improve efficiency, reducing friction and preventing chain jamming.
| 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 |
The VD chain block incorporates a double brake structure, ensuring precise locking positions and effective stall control. This design enhances safety during lifting operations, providing users with peace of mind. The dual braking system minimizes the risk of accidental drops, making it ideal for critical applications.
The hoist features a reinforced triangular cover made of thickened alloy steel. This design not only resists collisions but also provides anti-corrosion protection, significantly extending the product's service life. The robust construction ensures the hoist can withstand harsh industrial environments.
The streamlined guide wheel is designed for zero resistance, ensuring smoother operation. An enlarged guide sprocket with a smooth bearing, combined with a derailleur and gear cover that fits the chain, eliminates friction and prevents chain jamming. This feature enhances the hoist's efficiency and reliability.
The three-bearing linkage design replaces traditional gear friction with rolling bearings, improving rotation efficiency and service life. This innovation reduces wear and tear, ensuring consistent performance over time. The design also contributes to the hoist's lightweight and compact structure.
The pawl is made of high-strength manganese steel, offering exceptional hardness, wear resistance, and fracture resistance. After quenching, the pawl becomes even tougher, ensuring reliable operation under heavy loads. This feature is critical for maintaining the hoist's safety and durability.
The hook is quenched and refined with an anti-removal lock, making it strong and durable. This design prevents accidental disengagement, ensuring the load remains secure during lifting. The hook's robust construction meets rigorous safety standards, making it suitable for demanding applications.
The VD chain block is a versatile tool suitable for a wide range of applications. Its portability and ease of use make it ideal for tasks such as machine installation, cargo lifting, and vehicle loading/unloading in industries like manufacturing, agriculture, construction, and mining. The hoist's ability to operate in open-air environments without a power supply makes it particularly valuable in remote or off-grid locations.
According to NIST (National Institute of Standards and Technology), "Manual lifting devices like the VD chain block are critical in scenarios where precision and reliability are paramount. Their design must adhere to strict safety standards to prevent workplace accidents and ensure operational efficiency" (NIST, 2023). This underscores the importance of the VD chain block's advanced features in meeting industry requirements.
Qingyuan Juli Hoisting Machinery Co., Ltd. is a leading manufacturer of lifting equipment, specializing in the production of high-quality chain hoists and related components. With a focus on innovation and customer satisfaction, the company has established itself as a trusted name in the industry. Their commitment to quality is reflected in the VD chain block's design, which combines advanced technology with user-centric features.
Qingyuan Juli's products are widely used in various sectors, including construction, logistics, and manufacturing. The company's dedication to research and development ensures that its products meet the evolving needs of the market. By adhering to international standards, Qingyuan Juli continues to set benchmarks for safety and performance in the lifting equipment industry.
The VD chain block is a testament to the advancements in manual lifting technology, offering a blend of innovation, durability, and safety. Its technical specifications, as outlined in the detailed table, highlight its versatility and efficiency. With features like the double brake structure, thickened alloy steel cover, and three-bearing linkage design, the VD chain block is well-suited for demanding environments.
As highlighted by NIST, "The integration of advanced materials and design principles in lifting equipment is essential for enhancing workplace safety and operational efficiency" (NIST, 2023). The VD chain block exemplifies this principle, making it a reliable choice for industries that require precision and dependability. For more information about the product or the company, visit VD Chain Block Product Page or Qingyuan Juli Hoisting Machinery Co., Ltd..
National Institute of Standards and Technology (NIST). (2023). Standards for Lifting Equipment. Retrieved from https://www.nist.gov
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