expansion bearing

简明释义

活动支座

英英释义

例句

1.During the installation, ensure the expansion bearing is properly aligned for optimal performance.

在安装过程中，确保膨胀轴承正确对齐以获得最佳性能。

2.The engineer recommended using an expansion bearing to accommodate thermal expansion in the bridge design.

工程师建议在桥梁设计中使用膨胀轴承以适应热膨胀。

3.The expansion bearing helps reduce stress on the structure during temperature fluctuations.

在温度波动期间，膨胀轴承有助于减少结构上的压力。

4.The construction team installed a new expansion bearing to ensure the building can expand and contract safely.

施工队安装了新的膨胀轴承以确保建筑物能够安全地膨胀和收缩。

5.We need to replace the old expansion bearing to prevent further damage to the machinery.

我们需要更换旧的膨胀轴承以防止机器进一步损坏。

作文

In the realm of engineering and machinery, the term expansion bearing plays a crucial role in ensuring the smooth operation of various mechanical systems. An expansion bearing (扩展轴承) is designed to accommodate the thermal expansion of components, which is essential in applications where temperature fluctuations are common. As materials heat up, they tend to expand; if this expansion is not properly managed, it can lead to significant mechanical failures or inefficiencies. Therefore, understanding the functionality and importance of expansion bearings is vital for engineers and technicians alike.The primary function of an expansion bearing is to allow for relative movement between two parts while supporting the load. This is particularly important in structures such as bridges and large machinery where components are subjected to varying temperatures. For instance, when a metal bridge heats up during the day, it expands. If the expansion is restricted, it may cause stress and potential damage to the structure. By incorporating expansion bearings, engineers can ensure that the bridge can safely expand and contract without compromising its integrity.Moreover, expansion bearings are not limited to civil engineering; they are also widely used in the manufacturing industry. In machines that operate under high temperatures, such as engines or turbines, expansion bearings help maintain alignment and reduce friction between moving parts. This is crucial for the longevity and efficiency of the equipment. Without the proper use of expansion bearings, these machines could overheat, leading to costly repairs and downtime.Additionally, the design of expansion bearings has evolved over time. Modern bearings are often made from advanced materials that enhance their performance and durability. Engineers must consider factors such as load capacity, temperature range, and environmental conditions when selecting the appropriate expansion bearing for a specific application. This selection process is critical, as the wrong choice can lead to premature failure and safety hazards.Furthermore, maintenance of expansion bearings is essential to ensure their optimal performance. Regular inspections can help identify wear and tear, and timely maintenance can prevent more severe issues from developing. Engineers must be trained to recognize the signs of failing bearings and take corrective action before they lead to catastrophic failures.In conclusion, the significance of expansion bearings in engineering cannot be overstated. They are integral to the safe operation of various structures and machines, allowing for necessary movement due to thermal expansion. As technology advances, the design and application of expansion bearings will continue to improve, further enhancing their effectiveness in managing the challenges posed by temperature changes. Understanding and mastering the concept of expansion bearings is essential for anyone involved in engineering and machinery, as it contributes to the reliability and safety of countless systems that we rely on every day.

在工程和机械领域，术语扩展轴承在确保各种机械系统的顺利运行中起着至关重要的作用。扩展轴承(expansion bearing)旨在适应组件的热膨胀，这在温度波动较大的应用中是必不可少的。当材料加热时，它们往往会膨胀；如果这种膨胀没有得到妥善管理，可能会导致显著的机械故障或低效率。因此，理解扩展轴承的功能和重要性对于工程师和技术人员来说至关重要。扩展轴承的主要功能是允许两个部分之间的相对运动，同时支持负载。这在桥梁和大型机械等结构中尤为重要，因为这些组件承受着变化的温度。例如，当金属桥在白天加热时，它会膨胀。如果膨胀受到限制，可能会导致应力和潜在的结构损坏。通过使用扩展轴承，工程师可以确保桥梁能够安全地膨胀和收缩，而不影响其完整性。此外，扩展轴承不仅限于土木工程；它们在制造业中也得到了广泛应用。在高温下运行的机器中，如发动机或涡轮机，扩展轴承有助于保持对齐并减少运动部件之间的摩擦。这对于设备的耐用性和效率至关重要。如果没有正确使用扩展轴承，这些机器可能会过热，导致昂贵的维修和停机。此外，扩展轴承的设计随着时间的推移而不断演变。现代轴承通常由先进材料制成，增强了其性能和耐用性。工程师在为特定应用选择合适的扩展轴承时，必须考虑负载能力、温度范围和环境条件等因素。这个选择过程至关重要，因为错误的选择可能导致过早的故障和安全隐患。此外，维护扩展轴承对于确保其最佳性能至关重要。定期检查可以帮助识别磨损情况，及时维护可以防止更严重的问题出现。工程师必须接受培训，以识别轴承失效的迹象，并在导致灾难性故障之前采取纠正措施。总之，扩展轴承在工程中的重要性不容小觑。它们对各种结构和机器的安全运行至关重要，允许因热膨胀而产生的必要运动。随着技术的进步，扩展轴承的设计和应用将继续改善，进一步增强其在应对温度变化带来的挑战中的有效性。理解和掌握扩展轴承的概念对于任何参与工程和机械的人来说都是必不可少的，因为它有助于我们每天依赖的无数系统的可靠性和安全性。