external shoe brake

简明释义

外蹄式制动器

英英释义

例句

1.The external shoe brake is often used in older models of vehicles for better performance.

在较旧型号的车辆中，通常使用外部鞋刹车以获得更好的性能。

2.Replacing the external shoe brake can significantly reduce maintenance costs in the long run.

更换外部鞋刹车在长期内可以显著降低维护成本。

3.The mechanic replaced the worn-out external shoe brake to improve the vehicle's stopping power.

技师更换了磨损的外部鞋刹车以提高车辆的制动能力。

4.When driving downhill, the external shoe brake provides additional support to the main braking system.

在下坡行驶时，外部鞋刹车为主刹车系统提供额外支持。

5.During the safety inspection, the technician noted that the external shoe brake needed adjustment.

在安全检查中，技术人员指出外部鞋刹车需要调整。

作文

The world of mechanical engineering is filled with various components that play crucial roles in the functionality and safety of machines. One such component is the external shoe brake, which is widely used in different types of vehicles and machinery. Understanding how this braking system works can provide insights into the importance of safety and efficiency in mechanical designs.An external shoe brake is a type of braking mechanism that utilizes friction to slow down or stop the motion of a rotating object. Unlike internal brakes, which are housed within the drum or rotor, the external shoe brake operates outside the drum, making it easier to maintain and replace. This design not only enhances its durability but also allows for better heat dissipation during operation.The basic principle behind the external shoe brake involves two main components: the brake shoes and the brake drum. When the driver applies the brakes, hydraulic pressure pushes the brake shoes outward against the inner surface of the drum. The resulting friction between the shoes and the drum generates the necessary resistance to reduce the speed of the vehicle or machine. This process is vital for ensuring safe stopping distances, especially in high-speed scenarios.One of the significant advantages of the external shoe brake is its ability to provide consistent braking performance under various conditions. For instance, in heavy-duty applications such as trucks and buses, where substantial stopping power is required, this braking system can effectively manage the increased load without compromising safety. Additionally, the external shoe brake is less prone to overheating compared to internal systems, making it a preferred choice for many manufacturers.However, like any mechanical component, the external shoe brake is not without its drawbacks. Over time, the brake shoes can wear down due to constant friction, necessitating regular inspections and replacements. If left unchecked, worn-out shoes can lead to decreased braking efficiency and, in extreme cases, complete brake failure. Therefore, routine maintenance is essential to ensure that the external shoe brake operates at optimal performance levels.In conclusion, the external shoe brake is a vital component in the realm of mechanical engineering, particularly in the automotive industry. Its design offers several advantages, including ease of maintenance and effective heat dissipation. However, it also requires diligent upkeep to prevent wear and ensure safety. As technology continues to advance, the evolution of braking systems will likely lead to even more efficient and reliable mechanisms, but the fundamental principles behind the external shoe brake will remain an integral part of engineering education and practice.

机械工程的世界充满了各种在机器的功能和安全性方面起着关键作用的部件。其中一个部件是外置鞋刹车，它广泛应用于不同类型的车辆和机械。了解这种制动系统的工作原理可以深入了解机械设计中安全性和效率的重要性。外置鞋刹车是一种利用摩擦力减缓或停止旋转物体运动的制动机制。与内部刹车（即刹车装置位于鼓或转子内部）不同，外置鞋刹车在鼓的外部操作，这使得维护和更换变得更加容易。这种设计不仅增强了其耐用性，还允许在操作过程中更好地散热。外置鞋刹车的基本原理涉及两个主要组件：刹车鞋和刹车鼓。当驾驶员踩下刹车时，液压压力将刹车鞋向外推，紧贴鼓的内表面。鞋子和鼓之间产生的摩擦力产生了必要的阻力，以降低车辆或机器的速度。这个过程对于确保安全的制动距离至关重要，特别是在高速情况下。外置鞋刹车的一个显著优势是能够在各种条件下提供一致的制动性能。例如，在卡车和公共汽车等重型应用中，需要大量的制动力，这种制动系统可以有效管理增加的负载，而不会妥协安全性。此外，与内部系统相比，外置鞋刹车不易过热，使其成为许多制造商的首选。然而，像任何机械部件一样，外置鞋刹车也有其缺点。随着时间的推移，由于不断摩擦，刹车鞋可能会磨损，因此需要定期检查和更换。如果不加以注意，磨损的鞋子可能导致制动效率下降，甚至在极端情况下导致完全刹车失效。因此，例行维护对于确保外置鞋刹车以最佳性能运行至关重要。总之，外置鞋刹车是机械工程领域，特别是在汽车工业中的一个重要组成部分。其设计提供了多个优点，包括维护简便和有效的散热。然而，它也需要勤奋的保养以防止磨损并确保安全。随着技术的不断进步，制动系统的演变可能会导致更高效、更可靠的机制，但外置鞋刹车背后的基本原理将始终是工程教育和实践的重要组成部分。