vacuum brake

简明释义

真空制动器

英英释义

A vacuum brake is a type of braking system that uses the difference in air pressure (vacuum) to operate the brake mechanism, commonly used in trains and some automobiles.

真空刹车是一种利用气压差(真空)来操作刹车机制的刹车系统,通常用于火车和一些汽车中。

例句

1.The train uses a vacuum brake to ensure smooth stops.

火车使用真空制动器来确保平稳停车。

2.Engineers are studying how to improve the vacuum brake design.

工程师们正在研究如何改进真空制动器的设计。

3.During the inspection, we found that the vacuum brake was functioning properly.

在检查中,我们发现真空制动器运作正常。

4.The vacuum brake system is more efficient than traditional brakes.

与传统刹车系统相比,真空制动器系统更高效。

5.When the vacuum brake is engaged, it creates a strong stopping force.

真空制动器被启用时,它会产生强大的制动力。

作文

The development of transportation has always been a crucial aspect of human progress. One significant innovation in this field is the introduction of the vacuum brake, which revolutionized the way trains operate and enhanced safety measures on railways. The vacuum brake is a type of braking system that uses the principle of vacuum to create a difference in pressure, allowing for effective deceleration of trains.Historically, before the advent of the vacuum brake, trains relied on handbrakes or other mechanical systems that were often inefficient and required considerable manual effort. This posed safety risks, especially when trains needed to stop quickly. The invention of the vacuum brake marked a turning point in railway technology. By utilizing a vacuum created in a cylinder, the system could apply pressure to the brake shoes against the wheels, resulting in a more reliable and powerful braking force.One of the key advantages of the vacuum brake is its ability to provide a synchronized braking action across multiple carriages. In a train consisting of several cars, the vacuum brake ensures that all cars can be brought to a halt simultaneously, reducing the risk of derailment or accidents caused by uneven braking. This feature significantly improved the overall safety of train travel, making it a preferred choice for railway operators.Furthermore, the vacuum brake system is relatively simple and cost-effective to maintain. Unlike hydraulic brakes, which require fluid levels to be monitored and can suffer from leaks, the vacuum brake operates on air pressure, making it less prone to failure due to environmental factors. This reliability means that trains equipped with vacuum brakes can operate effectively even in adverse weather conditions, ensuring consistent service for passengers.In addition to its practical benefits, the vacuum brake also played a vital role in the expansion of railway networks. As trains became safer and more efficient, more people began to use them for long-distance travel. This increase in ridership contributed to the growth of economies and facilitated the movement of goods across regions, further solidifying the importance of the vacuum brake in the history of transportation.Despite the emergence of modern braking technologies, such as air brakes and electronic braking systems, the vacuum brake remains an integral part of many heritage railways and older train models. Enthusiasts and historians alike appreciate the vacuum brake not only for its engineering significance but also for its historical value in the evolution of rail transport.In conclusion, the vacuum brake is more than just a mechanical component; it represents a significant advancement in railway technology that has had lasting effects on train safety and efficiency. Its invention marked a pivotal moment in the history of transportation, enabling trains to operate with greater reliability and paving the way for the expansive railway networks we see today. Understanding the vacuum brake allows us to appreciate the innovations that have shaped our modern world and continue to influence the future of travel.

交通运输的发展一直是人类进步的重要方面。其中一个显著的创新是引入了真空刹车,它彻底改变了火车的运行方式,并增强了铁路的安全措施。真空刹车是一种利用真空原理来产生压力差的制动系统,从而有效减速火车。历史上,在真空刹车出现之前,火车依赖手刹或其他机械系统,这些系统往往效率低下,并需要相当大的人工努力。这在火车需要快速停车时构成了安全风险。真空刹车的发明标志着铁路技术的转折点。通过利用气缸内产生的真空,该系统可以将压力施加到制动鞋上,使其与车轮接触,从而产生更可靠、更强大的制动力。真空刹车的一个主要优点是能够在多个车厢之间提供同步的制动作用。在由多个车厢组成的火车中,真空刹车确保所有车厢能够同时停下来,从而减少因制动不均匀而导致的出轨或事故的风险。这一特性显著提高了火车旅行的整体安全性,使其成为铁路运营商的首选。此外,真空刹车系统维护相对简单且成本效益高。与液压刹车需要监测液体水平并可能发生泄漏不同,真空刹车依靠气压工作,因此不易因环境因素而失效。这种可靠性意味着配备真空刹车的火车即使在恶劣天气条件下也能有效运行,确保乘客服务的一致性。除了实用好处外,真空刹车在铁路网络扩展中也发挥了关键作用。随着火车变得更安全、更高效,越来越多的人开始选择火车进行长途旅行。这种乘客数量的增加促进了经济增长,并推动了商品在各地区的流通,进一步巩固了真空刹车在交通历史中的重要性。尽管现代制动技术如空气制动和电子制动系统不断涌现,真空刹车仍然是许多遗产铁路和老旧火车模型的重要组成部分。爱好者和历史学家都欣赏真空刹车,不仅因为其工程意义,还有其在铁路运输演变中的历史价值。总之,真空刹车不仅仅是一个机械部件;它代表了铁路技术的一次重要进步,对火车的安全性和效率产生了持久影响。它的发明标志着交通历史上的一个关键时刻,使火车能够更可靠地运行,并为我们今天看到的广泛铁路网络铺平了道路。理解真空刹车使我们能够欣赏塑造现代世界的创新,并继续影响未来的旅行。

相关单词

vacuum

vacuum详解:怎么读、什么意思、用法

brake

brake详解:怎么读、什么意思、用法