rocker arm

简明释义

摇臂平衡杆连杆刷握臂

英英释义

例句

1.A worn rocker arm can lead to poor valve operation.

磨损的摇臂可能导致阀门操作不良。

2.When assembling the engine, ensure the rocker arm is properly aligned.

在组装发动机时，确保摇臂正确对齐。

3.Adjusting the rocker arm clearance is crucial for optimal engine function.

调整摇臂间隙对发动机的最佳功能至关重要。

4.The mechanic replaced the faulty rocker arm to improve engine performance.

技师更换了故障的摇臂以提高发动机性能。

5.The technician inspected the rocker arm for any signs of damage.

技术员检查了摇臂是否有任何损坏的迹象。

作文

The internal combustion engine is a marvel of engineering, comprising various components that work together to convert fuel into motion. One such critical component is the rocker arm, which plays a vital role in the engine's operation. Understanding the function and importance of the rocker arm can provide insights into the complexities of engine mechanics.The rocker arm is a lever that transfers the motion from the camshaft to the engine's valves. When the engine is running, the camshaft rotates, causing the rocker arm to pivot on its shaft. This pivoting action pushes down on the valve stem, allowing the valve to open and close at precisely the right moments during the engine's cycle. The timing of this action is crucial, as it ensures that the intake and exhaust valves operate in harmony with the piston movements.In most engines, there are two types of valves: intake valves that allow air and fuel mixture into the combustion chamber, and exhaust valves that release the burnt gases after combustion. The efficient functioning of these valves directly affects the engine's performance. If the rocker arm fails to operate correctly, it can lead to poor engine performance, increased emissions, and even engine damage.The design of the rocker arm can vary depending on the engine type. In some engines, it might be a simple, stamped metal piece, while in others, it could be a more complex design involving multiple moving parts. Regardless of the design, the rocker arm must withstand significant stress and wear over time. This is why materials used in its construction are often chosen for their durability and resistance to heat and friction.Regular maintenance is essential to ensure that the rocker arm and its associated components are in good working order. Mechanics often recommend checking the valve clearance periodically, as improper clearance can lead to excessive wear on the rocker arm and other related parts. Additionally, using high-quality engine oil can help reduce friction and prolong the life of the rocker arm.In conclusion, the rocker arm may seem like a small part of the engine, but its role is significant. It is an integral component that helps regulate the engine's breathing, ensuring optimal performance and efficiency. By understanding the function of the rocker arm, car enthusiasts and mechanics alike can appreciate the intricate workings of an engine and the importance of regular maintenance to keep it running smoothly. Without proper attention to the rocker arm and its functions, the entire engine's efficiency could be compromised, leading to potential breakdowns and costly repairs.

内燃机是一项工程的奇迹，由各种组件组成，这些组件共同工作，将燃料转化为运动。其中一个关键组件是摇臂，它在发动机的运行中发挥着至关重要的作用。理解摇臂的功能和重要性可以提供对发动机机械复杂性的深入了解。摇臂是一个杠杆，将运动从凸轮轴传递到发动机的阀门。当发动机运转时，凸轮轴旋转，导致摇臂在其轴上 pivot。这种摆动动作向阀杆施加压力，使阀门在发动机循环的适当时刻打开和关闭。这一动作的时机至关重要，因为它确保进气阀和排气阀与活塞运动协调工作。在大多数发动机中，有两种类型的阀门：允许空气和燃料混合物进入燃烧室的进气阀和释放燃烧后气体的排气阀。这些阀门的高效运作直接影响发动机的性能。如果摇臂未能正常工作，可能会导致发动机性能下降、排放增加，甚至发动机损坏。摇臂的设计可能因发动机类型而异。在一些发动机中，它可能是一个简单的冲压金属件，而在其他发动机中，它可能是一个涉及多个活动部件的更复杂的设计。无论设计如何，摇臂都必须承受显著的压力和磨损。因此，常用于其制造的材料通常选择耐用且耐热和摩擦的材料。定期维护对于确保摇臂及其相关组件处于良好工作状态至关重要。机械师通常建议定期检查阀间隙，因为不当的间隙可能导致摇臂和其他相关部件的过度磨损。此外，使用高质量的发动机油可以帮助减少摩擦，延长摇臂的使用寿命。总之，摇臂可能看起来是发动机中的一个小部件，但它的作用是显著的。它是一个重要的组成部分，有助于调节发动机的呼吸，确保最佳性能和效率。通过理解摇臂的功能，汽车爱好者和机械师都可以欣赏发动机的复杂工作原理，以及定期维护以保持其平稳运行的重要性。如果不正确关注摇臂及其功能，整个发动机的效率可能会受到影响，导致潜在的故障和昂贵的维修费用。