crank lever

简明释义

曲柄

英英释义

例句

1.The manual states that you should always push the crank lever (曲柄杠杆) firmly to avoid malfunction.

手册说明你应该始终用力推动crank lever (曲柄杠杆)，以避免故障。

2.To start the old engine, you need to pull the crank lever (曲柄杠杆) located on the side.

要启动这台老旧的发动机，你需要拉动位于侧面的crank lever (曲柄杠杆)。

3.He turned the crank lever (曲柄杠杆) to release the tension in the cable.

他转动了crank lever (曲柄杠杆)，以释放电缆中的张力。

4.When the machine jams, check if the crank lever (曲柄杠杆) is stuck.

当机器卡住时，检查一下crank lever (曲柄杠杆) 是否卡住。

5.The crank lever (曲柄杠杆) on the machine allows you to adjust the height of the table.

机器上的crank lever (曲柄杠杆) 让你可以调节桌子的高度。

作文

The concept of a crank lever is fundamental in the mechanics of various machines and devices. A crank lever can be defined as a lever that is attached to a rotating shaft, which converts circular motion into linear motion or vice versa. This mechanism is widely used in many applications, from simple tools to complex machinery. Understanding how a crank lever works can provide insights into the principles of mechanical engineering and design.In everyday life, we encounter numerous examples of crank levers. One common instance is the bicycle. When you pedal, you are essentially using a crank lever system. The pedals are attached to a crank, which is connected to the bike's chainring. As you push down on the pedals, the crank lever rotates, transferring your energy to the chain and ultimately propelling the bicycle forward. This simple yet effective mechanism highlights the efficiency of crank levers in converting human effort into motion.Another notable application of the crank lever is found in engines, particularly in automobiles. The internal combustion engine utilizes a crank lever to convert the linear motion of the pistons into rotational motion that drives the vehicle. In this context, the crank lever plays a crucial role in the overall functionality of the engine, affecting performance, efficiency, and power output.In the realm of industrial machinery, crank levers are often used in presses and lathes. These machines rely on the precise movement of the crank lever to perform tasks such as shaping metal or cutting materials. The ability to control the angle and rotation of the crank lever allows operators to achieve specific results with high accuracy. This adaptability makes crank levers indispensable in manufacturing processes.While the basic principle of a crank lever is straightforward, the design and engineering behind it can be quite complex. Various factors such as material selection, load capacity, and friction must be considered when creating an effective crank lever system. Engineers often use computer-aided design (CAD) software to simulate and optimize the performance of crank levers before they are built. This technological advancement has significantly improved the reliability and efficiency of machines that utilize crank levers.In conclusion, the crank lever is a vital component in many mechanical systems, providing a bridge between linear and rotational motion. Its applications span across various fields, including transportation, manufacturing, and engineering. By understanding the function and importance of crank levers, we can appreciate the intricate designs that make modern machines operate smoothly and efficiently. As technology continues to evolve, the principles behind crank levers will remain relevant, inspiring future innovations in mechanical design and engineering.

“曲柄杠杆”的概念在各种机器和设备的机械原理中是基础性的。“曲柄杠杆”可以定义为一个与旋转轴相连的杠杆，它将圆周运动转换为线性运动，反之亦然。这种机制在许多应用中广泛使用，从简单工具到复杂机械。理解“曲柄杠杆”的工作原理可以为我们提供机械工程和设计原理的深入见解。在日常生活中，我们遇到许多“曲柄杠杆”的例子。一个常见的实例是自行车。当你踩踏板时，你实际上是在使用一个“曲柄杠杆”系统。踏板连接到曲柄，曲柄又连接到自行车的链轮。当你向下推踏板时，“曲柄杠杆”旋转，将你的能量传递给链条，最终推动自行车向前。这种简单而有效的机制突显了“曲柄杠杆”在将人力转化为运动方面的高效性。另一个值得注意的“曲柄杠杆”应用是在发动机中，特别是在汽车中。内燃机利用“曲柄杠杆”将活塞的线性运动转换为驱动车辆的旋转运动。在这种情况下，“曲柄杠杆”在发动机的整体功能中发挥着至关重要的作用，影响性能、效率和功率输出。在工业机械领域，“曲柄杠杆”常用于压力机和车床。这些机器依赖于“曲柄杠杆”的精确运动来执行成型金属或切割材料等任务。能够控制“曲柄杠杆”的角度和旋转，使操作员能够以高精度实现特定结果。这种适应性使“曲柄杠杆”在制造过程中不可或缺。虽然“曲柄杠杆”的基本原理简单，但其设计和工程可能相当复杂。在创建有效的“曲柄杠杆”系统时，必须考虑材料选择、承载能力和摩擦等各种因素。工程师们通常使用计算机辅助设计（CAD）软件来模拟和优化“曲柄杠杆”的性能，然后再进行制造。这一技术进步显著提高了利用“曲柄杠杆”的机器的可靠性和效率。总之，“曲柄杠杆”是许多机械系统中的重要组成部分，提供了线性运动和旋转运动之间的桥梁。它的应用跨越交通、制造和工程等多个领域。通过理解“曲柄杠杆”的功能和重要性，我们可以欣赏到使现代机器顺利高效运行的复杂设计。随着技术的不断发展，“曲柄杠杆”背后的原理将保持相关性，激励未来在机械设计和工程方面的创新。