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Freight Wagon Draft Gear MT-2, MT-3 - China Suppliers & Factory Direct Products for Railway Car Couplers
Type and Description
| Type | AAR E | AAR F |
| Model | MT-2 | MT-3 |
| Impedance force | ≤2.27MN | ≤2.0MN |
| Rated Capacity | ≥50KJ | ≥45KJ |
| Travel | 83mm | 83mm |
| Absorptivity | ≥80% | ≥80% |
| Limit for the use | Suitable for train formations greater than 5000 tons, Total vehicle weight greater than 80 tons. | Suitable for train formations of less than 5000 tons, Total vehicle weight of less than 80 tons. |
| Application | Both are applicable to AAR E and AAR F type coupler systems. | |
| Measure up Standard | TB/T 2915 | |
A railroad car coupler draft gear is a critical device that connects railcars and cushions impact forces between the cars. The following is a brief introduction to this buffer: A railway car coupler draft gear usually consists of a spring, a shock absorber and an energy absorbing element. They are designed to dampen shock and vibration during vehicle operation while transferring traction between vehicles.
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Spring System
The springs in the shock absorbers absorb and disperse impact forces. They can be selected according to specific application needs to ensure sufficient elasticity and stability during transportation.
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Shock Absorber
Uses hydraulic principles to provide stable shock absorption by controlling and regulating the flow of fluid, reducing vibration generated during driving.
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Energy Elements
Made of rubber or other materials to absorb and disperse energy in the event of a collision, keeping the vehicle and its passengers safe.
The mounting location for a railway vehicle coupler buffer is usually on a connecting part of the vehicle, such as the coupler or the connecting frame. Its function is to provide a cushioned connection point between vehicles in order to reduce shock and vibration.
In summary: A railway car coupler draft gear provides a stable connection and shock mitigation through a combination of springs, shock absorbers and energy absorbing elements. They play an important role in railway transportation, protecting the safety of vehicles and passengers, and improving the comfort and reliability of railway transportation.
Frequently Asked Questions
What are the primary components of a railway coupler draft gear?
A railway car coupler draft gear typically consists of three main parts: a spring, a shock absorber, and an energy-absorbing element. Together, they mitigate impact forces and dampen vibrations.
What is the difference between MT-2 and MT-3 draft gear models?
The MT-2 (AAR E) is designed for heavy train formations (over 5000 tons) and vehicles over 80 tons, while the MT-3 (AAR F) is suitable for formations under 5000 tons and vehicles under 80 tons.
What is the rated capacity and travel distance of these draft gears?
The MT-2 model has a rated capacity of ≥50KJ, and the MT-3 model has ≥45KJ. Both models feature a travel distance of 83mm and an absorptivity of ≥80%.
Where is the draft gear usually installed on a railcar?
It is usually mounted on the connecting parts of the vehicle, specifically integrated with the coupler or the connecting frame to provide a cushioned connection point.
Which quality standards do these coupler draft gears follow?
These draft gears are manufactured and measured according to the TB/T 2915 standard, ensuring reliability and safety in railway operations.
How does the shock absorber function within the system?
The shock absorber often utilizes hydraulic principles to regulate fluid flow, which provides stable shock absorption and reduces the vibrations generated during vehicle operation.