Undoubtedly, when it comes to the global rail industry, the engines, cars and trucks of rolling stock must operate in some very challenging environments while maintaining safety, reliability and performance.
Extreme temperatures, deteriorating pollution, and shocks and vibrations can all cause vehicle crashes. Reliable operation depends on powerful, long-lasting and durable engineering.
Even in the most extreme environments, the optimal performance of the truck is still a top priority, and any solution needs to deal with potential threats such as inclement weather and harsh working conditions. Usually, this can determine whether you can keep profitable.
Taking the unloading system of a freight vehicle as an example, there are three ways to effectively overcome the environmental challenges in railway transportation applications.
1. Excellent sealing at extreme temperaturesThe repetitive and reliable double-sided door opening system allows the operator to carry out the left and right unloading operations in a calm manner according to the needs of the field. This flexible mode of operation requires the truck itself to have two separate control systems to control the independent switching of the doors on both sides, and this is also an extremely high safety requirement. However, without the correct pneumatic solution, these control systems will be affected by extreme temperatures.
In addition to withstanding extreme temperatures of -40° to 60°C, these control cabinets need to be completely sealed to prevent ingress of water and dust, as these can damage expensive equipment inside. Water resistance is especially important in extremely cold weather. Otherwise, you need to spray hot water on the vehicle to thaw.
Modern pneumatic components designed to withstand extreme conditions have proven to help operators ensure stable and reliable performance in any climate. When the temperature is normal, it is critical that your component returns to its initial stable state. Just like Parker's Viking Xtreme solenoid valve, you can ensure that your solution is larger. Good sealing performance even in temperature
The ability to withstand extreme temperatures provides maximum reliability and significantly reduces unnecessary downtime. Viking Xtreme's unique valve core forming technology enables the product to perform exceptionally well under severe conditions.
2. Introduce pneumatic interlock for saferPerhaps you have always believed that security is only for passenger rail transit. At the same time, the current trend is a higher degree of automation. The remotely controlled vehicle door control system can keep the operator away from unloading vehicles. To meet the requirements of this series, it is necessary to impose heavy taxes on the truck itself and surrounding facilities. While requiring a fast, high-capacity, high-performance dual-door hopper car, a more important consideration is safety.
The key point here is that the two sets of doors cannot be opened at the same time, which may pose a potential hazard to anyone in the vicinity. For example, if the vehicle is being unloaded from the right, the operator must have a complete line of sight on the right hand side of the vehicle. The operator also needs to be able to fully trust that the left door is not accidentally opened and potentially jeopardizes nearby operators or others.
A fully interlocked pneumatic control system significantly improves safety integrity. Interlocking makes it almost impossible to open doors on both sides of the truck at the same time, minimizing potential safety risks.
3. Special certification components for the rail transit industryAnother point is the resistance to shocks and shocks. This is not only important for the operator, but also avoids damage and damage to the surroundings (eg due to accidental opening of the double doors).
Poor operation of pneumatic control products due to vibration & shock may cause cargo to pour and cause major damage to the surrounding environment. Therefore, you need to select a suitable product that has passed the rigorous industrial vibration & impact standard certification, please refer to the certification CEI/IEC 61373 1999-1 (BS EN61373: 1999).
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