steam brake

简明释义

蒸汽闸

英英释义

例句

1.The maintenance team inspected the steam brake to ensure it was functioning properly.

维护团队检查了蒸汽制动器以确保其正常运作。

2.The train engineer activated the steam brake to slow down before entering the station.

火车工程师在进入车站前激活了蒸汽制动器以减速。

3.In case of emergency, the crew used the steam brake to stop the train quickly.

在紧急情况下，机组人员使用蒸汽制动器迅速停车。

4.The old steam locomotive featured a powerful steam brake system that was essential for safety.

这台老式蒸汽机车配备了强大的蒸汽制动器系统，这对安全至关重要。

5.During the descent, the conductor relied on the steam brake to maintain control of the locomotive.

在下坡过程中，列车长依靠蒸汽制动器来保持机车的控制。

作文

The history of locomotion is a fascinating journey through innovation and engineering. One of the most significant advancements in this field was the development of the steam engine, which revolutionized transportation in the 19th century. Among the various components that made steam engines effective, the steam brake plays a crucial role in ensuring safety and control during operation. A steam brake (蒸汽制动) is a type of braking system that utilizes steam pressure to slow down or stop a locomotive. Unlike traditional mechanical brakes, which rely on friction, the steam brake operates by using steam from the engine itself to create a braking force. This method allows for a more efficient and powerful way to control the speed of the train, especially when carrying heavy loads.The mechanism of the steam brake involves the use of a valve that directs steam into a cylinder connected to the brake shoes. When the engineer activates the steam brake, steam enters the cylinder, pushing a piston that applies pressure to the brake shoes against the wheels. This action generates a significant amount of friction, which helps to slow down the train effectively. The advantages of the steam brake are particularly evident in steep gradients and during emergency situations where quick stopping power is essential.Historically, the introduction of the steam brake marked a pivotal change in railway operations. Prior to its invention, trains relied heavily on manual brakes, which were often inadequate for the increasing speeds and weights of modern locomotives. The steam brake not only improved safety but also enhanced the overall efficiency of train travel. As rail systems expanded across continents, the reliability of the steam brake contributed to the growth of commerce and the movement of people, making it an essential component of the industrial revolution.However, the steam brake is not without its drawbacks. One of the main challenges associated with its use is the need for a constant supply of steam pressure. If the steam pressure drops due to engine issues or other mechanical failures, the steam brake may become less effective, potentially leading to dangerous situations. Additionally, maintaining the steam brake requires regular inspections and upkeep, as the components can wear out over time due to the high temperatures and pressures involved.In modern times, while many trains have transitioned to more advanced braking systems, the principles behind the steam brake still influence contemporary designs. Engineers continue to study the effectiveness of steam-powered systems, and some heritage railways still utilize steam brakes on vintage locomotives, preserving the history of this remarkable technology.In conclusion, the steam brake (蒸汽制动) represents a significant advancement in railway technology, providing a reliable and powerful means of controlling locomotive speed. Its invention not only improved safety and efficiency but also played a vital role in shaping the future of transportation. Understanding the workings and historical significance of the steam brake allows us to appreciate the innovations that have paved the way for modern rail systems and the ongoing evolution of transportation technology.

机动的历史是一个通过创新和工程的迷人旅程。在这个领域中，蒸汽机的发展是最重要的进步之一，它在19世纪彻底改变了交通运输。在使蒸汽机有效的各种组件中，steam brake（蒸汽制动）在确保操作安全和控制方面发挥着至关重要的作用。steam brake是一种制动系统，利用蒸汽压力来减缓或停止机车。与依赖摩擦的传统机械制动不同，steam brake通过使用来自发动机本身的蒸汽来产生制动力。这种方法允许以更高效和强大的方式控制火车的速度，尤其是在载重较大的情况下。steam brake的机制涉及到一个阀门，该阀门将蒸汽引入连接到制动鞋的气缸。当工程师激活steam brake时，蒸汽进入气缸，推动活塞施加压力到制动鞋上，使其紧贴车轮。这一动作产生了大量的摩擦，有助于有效地减缓火车的速度。steam brake的优点在陡峭的坡道和紧急情况下尤为明显，在这些情况下，快速的制动能力至关重要。历史上，steam brake的引入标志着铁路运营的一个关键变化。在其发明之前，火车严重依赖手动制动，这在现代机车日益增加的速度和重量面前往往显得不足。steam brake不仅提高了安全性，还增强了火车旅行的整体效率。随着铁路系统在各大洲的扩展，steam brake的可靠性促进了商业发展和人员流动，使其成为工业革命的一个重要组成部分。然而，steam brake并非没有缺点。其使用的主要挑战之一是需要持续的蒸汽压力供应。如果由于发动机故障或其他机械故障导致蒸汽压力下降，steam brake的效果可能会降低，从而可能导致危险情况。此外，维护steam brake需要定期检查和保养，因为由于涉及的高温和高压，部件可能会随着时间的推移而磨损。在现代，尽管许多火车已过渡到更先进的制动系统，但steam brake背后的原理仍然影响着当代设计。工程师们继续研究蒸汽动力系统的有效性，一些遗产铁路仍在老式机车上使用steam brake，以保存这一卓越技术的历史。总之，steam brake（蒸汽制动）代表了铁路技术的重要进展，提供了一种可靠且强大的手段来控制机车速度。它的发明不仅提高了安全性和效率，还在塑造交通运输的未来中发挥了重要作用。理解steam brake的工作原理和历史意义使我们能够欣赏那些为现代铁路系统铺平道路的创新，以及交通技术的持续演变。