gear box

简明释义

齿轮箱变速箱

英英释义

例句

1.The racing car's gear box is designed for quick shifts to enhance performance.

这辆赛车的变速箱设计用于快速换挡，以提高性能。

2.The gear box in this truck allows it to handle heavy loads easily.

这辆卡车的变速箱使其能够轻松处理重载。

3.The mechanic opened the gear box to check for any damaged components.

机械师打开了变速箱以检查是否有损坏的部件。

4.He decided to replace the old gear box with a more efficient model.

他决定用一个更高效的型号替换旧的变速箱。

5.If you hear strange noises coming from the gear box, it might need servicing.

如果你听到来自变速箱的奇怪声音，它可能需要维修。

作文

The concept of a gear box is fundamental in the world of machinery and transportation. A gear box is a mechanical device that transmits power from one part of a machine to another, typically by changing the speed and torque of the engine output. In vehicles, the gear box plays a crucial role in determining how efficiently the vehicle operates. It allows the driver to select different speeds and torque outputs, which is essential for various driving conditions. For example, when starting from a standstill, a lower gear is engaged to provide more torque, while higher gears are used for cruising at high speeds.The gear box consists of a series of gears that mesh together. Each gear has a different size and number of teeth, which affects how power is transmitted. When the gears are shifted, the ratio between the input and output speeds changes, allowing the vehicle to accelerate or decelerate smoothly. This process is vital not only for performance but also for fuel efficiency. A well-functioning gear box ensures that the engine operates within its optimal range, reducing fuel consumption and emissions.In addition to vehicles, gear boxes are found in many industrial applications. They are used in machines that require precise control of speed and torque, such as conveyor belts, milling machines, and robotics. In these contexts, a gear box can enhance productivity by allowing machines to operate at varying speeds depending on the task at hand.Maintaining a gear box is essential for the longevity of any machine. Regular inspections and oil changes can prevent wear and tear, ensuring that the gears remain properly lubricated and free from debris. If a gear box fails, it can lead to significant downtime and costly repairs, making it imperative for operators to monitor their condition closely.In conclusion, the gear box is an integral component of both vehicles and industrial machinery. Its ability to manage power transmission and adapt to different operational demands makes it invaluable in various applications. Understanding how a gear box works and the importance of its maintenance can lead to improved performance and efficiency in any mechanical system. As technology advances, we can expect to see even more innovative designs and applications of gear boxes, further enhancing their role in modern engineering and transportation.

在机械和交通运输的世界中，gear box（变速箱）的概念是基础。gear box 是一种机械装置，它将动力从机器的一部分传递到另一部分，通常通过改变发动机输出的速度和扭矩。在车辆中，gear box 在决定车辆操作的效率方面发挥着至关重要的作用。它允许驾驶员选择不同的速度和扭矩输出，这对于各种驾驶条件至关重要。例如，在静止状态下起步时，会接合低速档以提供更大的扭矩，而在高速巡航时则使用高速档。gear box 由一系列相互啮合的齿轮组成。每个齿轮的大小和齿数不同，这影响了动力的传递。当齿轮被切换时，输入和输出速度之间的比率会发生变化，从而使车辆能够平稳加速或减速。这个过程对于性能至关重要，同时也对燃油效率有影响。一个运转良好的 gear box 确保发动机在最佳范围内运行，从而减少燃料消耗和排放。除了车辆之外，gear box 还广泛应用于许多工业领域。它们用于需要精确控制速度和扭矩的机器中，例如输送带、铣床和机器人。在这些情况下，gear box 可以通过根据任务的不同要求机器以不同的速度运行来提高生产力。维护 gear box 对于任何机器的使用寿命至关重要。定期检查和更换油可以防止磨损，确保齿轮保持适当的润滑并远离杂物。如果 gear box 发生故障，可能会导致显著的停机时间和昂贵的维修费用，因此操作人员必须密切监控其状况。总之，gear box 是车辆和工业机械的重要组成部分。它管理动力传输并适应不同操作需求的能力使其在各种应用中不可或缺。理解 gear box 的工作原理及其维护的重要性可以提高任何机械系统的性能和效率。随着技术的进步，我们可以期待看到更多创新的设计和 gear boxes 的应用，进一步增强其在现代工程和交通运输中的作用。