When it comes to heavy lifting operations, the crane hook plays a critical role in ensuring safe and efficient material handling. For lifting capacities like 20 طن, the design and dimensions of the crane hook become even more vital. In this blog post, we’ll explore the 20 أبعاد خطاف طن رافعة, their importance, typical specifications, and how to choose the right hook for your application.
A 20 ton crane hook is an industrial-grade lifting component designed to bear loads up to 20 metric tons (20,000 كجم). It is commonly used in overhead cranes, gantry cranes, and jib cranes in heavy-duty industries such as steel plants, shipyards, المستودعات, and construction sites.
The dimensions of a crane hook directly affect:
Load distribution
Safety and durability
Compatibility with slings, shackles, and loads
Compliance with standards (من, فيم, ISO)
Incorrect dimensions can lead to poor performance, excessive wear, or even accidents.
| المعلمة | خطاف واحد | خطاف مزدوج |
| Rated Capacity | 20 طن رافعة هوك | 20 طن |
| مادة | High-strength alloy steel | High-strength alloy steel |
| فتح الخطاف (B) | 85 - 100 مم | 75 - 90 مم |
| Hook Height (H) | 400 - 500 مم | 350 - 450 مم |
| Hook Width (W) | 200 - 250 مم | 180 - 230 مم |
| Shaft Diameter (د) | 75 - 90 مم | 70 - 85 مم |
| Throat Depth | 60 - 80 مم | 60 - 75 مم |
| وزن | ~55 – 70 كجم | ~60 – 80 كجم |
Note: Actual dimensions may vary depending on the hook type (forging or laminated), الشركة المصنعة, and standards used.
1. Forged Crane Hooks
Manufactured from a single piece of high-strength steel
Common in general overhead lifting applications
2. Laminated Crane Hooks
Built by stacking steel plates
Ideal for extreme environments or when a backup load path is needed
3. Single Hook vs. خطاف مزدوج
خطاف واحد: Simple structure, used in one-direction lifting
رافعة مزدوجة الخطاف: Symmetrical lifting, reduces lateral load stress
When selecting a 20 طن رافعة هوك, consider:
1. Application environment (temperature, رطوبة, تآكل)
2. Load characteristics (static or dynamic load)
3. Operational frequency
4. Compliance with OSHA, ISO, or DIN standards
5. Compatibility with hoisting equipment
1. Perform regular inspection and maintenance
2. Replace hooks showing signs of deformation, wear, أو الشقوق
3. Ensure the hook latch is always in place
4. Use the hook within its rated capacity
Understanding 20 ton crane hook dimensions is essential for safe and efficient lifting operations. By choosing the right hook size and type based on your industrial needs, you ensure the longevity of your lifting equipment and the safety of your operation. Always consult with a reputable manufacturer or supplier to confirm exact specifications and standards compliance.
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