propeller-shaft bearing

简明释义

尾轴轴承

英英释义

例句

1.Regular maintenance of the propeller-shaft bearing is crucial for optimal performance.

定期维护推进轴承对最佳性能至关重要。

2.A worn propeller-shaft bearing can lead to excessive vibration in the boat.

磨损的推进轴承可能导致船只产生过度振动。

3.The technician replaced the faulty propeller-shaft bearing during the repair.

技术员在修理过程中更换了故障的推进轴承。

4.The mechanic inspected the propeller-shaft bearing to ensure it was functioning properly.

机械师检查了推进轴承以确保其正常运作。

5.The propeller-shaft bearing helps reduce friction between moving parts.

推进轴承有助于减少运动部件之间的摩擦。

作文

The functioning of any mechanical system relies heavily on the integrity of its components. One such critical component in marine and aerospace engineering is the propeller-shaft bearing. This part plays a pivotal role in ensuring that the propeller operates smoothly and efficiently. In simple terms, a propeller-shaft bearing (螺旋桨轴承) is a device that supports the shaft of a propeller and allows it to rotate freely while minimizing friction and wear. It is vital for the overall performance of vessels and aircraft, where propellers are used to generate thrust.In marine applications, the propeller-shaft bearing is subjected to harsh conditions, including exposure to saltwater, high pressures, and significant rotational forces. These factors can lead to wear and tear over time, making regular maintenance essential. If the bearing fails, it can result in catastrophic consequences, such as loss of propulsion or even structural damage to the vessel. Therefore, understanding the function and maintenance of a propeller-shaft bearing is crucial for engineers and technicians working in these fields.The design of a propeller-shaft bearing must account for various factors, including load capacity, material selection, and lubrication methods. Bearings are typically made from durable materials such as bronze or composite plastics, which can withstand the harsh environments they operate in. Additionally, proper lubrication is necessary to reduce friction and prevent overheating, which can lead to premature failure.In aviation, the principles governing the propeller-shaft bearing are similar to those in marine applications. Aircraft propellers require precise engineering to ensure that they function correctly at high speeds and altitudes. The bearings must be lightweight yet robust enough to endure the stresses of flight. Engineers often employ advanced materials and designs to achieve this balance, ensuring that the propeller-shaft bearing can perform reliably under various operating conditions.Furthermore, advancements in technology have led to the development of specialized bearings that utilize innovative designs and materials. For instance, some modern propeller-shaft bearings incorporate self-lubricating features, reducing the need for manual maintenance and enhancing reliability. These innovations are particularly beneficial in applications where access to the bearing is limited, such as in submerged marine environments or within the confines of an aircraft fuselage.In conclusion, the propeller-shaft bearing (螺旋桨轴承) is a fundamental component in both marine and aerospace engineering. Its primary function is to support the propeller shaft and facilitate smooth rotation, thus ensuring efficient thrust generation. Understanding the design, materials, and maintenance requirements of these bearings is essential for professionals in the field, as their performance directly impacts the safety and efficiency of vessels and aircraft. As technology continues to advance, we can expect to see further improvements in the design and functionality of propeller-shaft bearings, ultimately leading to safer and more efficient transportation systems worldwide.

任何机械系统的正常运行在很大程度上依赖于其组件的完整性。在海洋和航空工程中，一个关键的组件就是螺旋桨轴承。这个部件在确保螺旋桨平稳高效地运转方面起着至关重要的作用。简单来说，螺旋桨轴承（propeller-shaft bearing）是一个支撑螺旋桨轴并允许其自由旋转的装置，同时最小化摩擦和磨损。它对船舶和飞机的整体性能至关重要，因为螺旋桨用于产生推力。在海洋应用中，螺旋桨轴承面临严酷的条件，包括暴露于盐水、高压和显著的旋转力。这些因素可能随着时间的推移导致磨损，因此定期维护至关重要。如果轴承失效，可能会导致灾难性的后果，例如失去推进力甚至对船体造成结构损坏。因此，了解螺旋桨轴承的功能和维护对于在这些领域工作的工程师和技术人员至关重要。螺旋桨轴承的设计必须考虑各种因素，包括载荷能力、材料选择和润滑方法。轴承通常由耐用材料制成，如青铜或复合塑料，这些材料能够承受它们所操作的恶劣环境。此外，适当的润滑是减少摩擦和防止过热所必需的，过热可能导致提前失效。在航空领域，螺旋桨轴承的原理与海洋应用中的相似。飞机螺旋桨需要精确的工程设计，以确保它们在高速和高空下正确运作。轴承必须轻便但足够坚固，以承受飞行中的压力。工程师们常常采用先进的材料和设计来达到这种平衡，确保螺旋桨轴承能够在各种工作条件下可靠地运行。此外，技术的进步导致了专门轴承的发展，这些轴承利用创新的设计和材料。例如，一些现代的螺旋桨轴承集成了自润滑功能，减少了手动维护的需求，提高了可靠性。这些创新在进入有限空间的应用中特别有益，例如在水下海洋环境或飞机机身内。总之，螺旋桨轴承（propeller-shaft bearing）是海洋和航空工程中的基本组件。其主要功能是支撑螺旋桨轴并促进平稳旋转，从而确保高效的推力生成。了解这些轴承的设计、材料和维护要求对该领域的专业人士至关重要，因为它们的性能直接影响到船舶和飞机的安全性和效率。随着技术的不断进步，我们可以期待看到螺旋桨轴承的设计和功能进一步改善，最终导致全球更安全、更高效的运输系统。