crank mechanism

简明释义

曲柄机构

英英释义

例句

1.The factory's assembly line features a crank mechanism to lift heavy items.

工厂的装配线配备了一个曲柄机制来提升重物。

2.The bicycle's pedals are connected to a crank mechanism that drives the wheels.

自行车的踏板连接到一个曲柄机制，驱动轮子。

3.The toy robot moves its arms using a simple crank mechanism.

这个玩具机器人使用简单的曲柄机制来移动手臂。

4.In this model, the crank mechanism converts rotary motion into linear motion.

在这个模型中，曲柄机制将旋转运动转换为线性运动。

5.The old car uses a crank mechanism to start the engine.

这辆旧车使用曲柄机制来启动发动机。

作文

The crank mechanism is a fascinating and integral part of many machines and devices that we encounter in our daily lives. This mechanical system transforms rotary motion into linear motion, enabling various applications across different fields. To understand the significance of the crank mechanism, we can explore its components, functions, and examples of its use in real-world applications.At its core, the crank mechanism consists of a crank, which is a handle or arm that rotates around a pivot point, and a connecting rod that translates the crank's circular motion into a straight line. This conversion of motion is essential in numerous machines, allowing for efficient operation and functionality. For instance, in an engine, the crank mechanism converts the up-and-down motion of the pistons into the rotational motion needed to turn the crankshaft, ultimately powering the vehicle.One of the most common examples of a crank mechanism can be found in bicycles. The pedals of a bicycle are attached to cranks that rotate when the rider pushes down on them. This rotation is then transmitted through a chain to the rear wheel, propelling the bicycle forward. Here, the crank mechanism plays a crucial role in converting the rider's physical effort into motion, illustrating its efficiency and importance in everyday life.In addition to bicycles, the crank mechanism is also prevalent in various industrial applications. For example, in manufacturing, machines often utilize this mechanism to create linear movement necessary for operations such as cutting, pressing, or assembling parts. The precision and reliability of the crank mechanism make it an invaluable component in automated processes, reducing human effort and increasing productivity.Moreover, the crank mechanism can be seen in more complex systems, such as steam engines and even modern robotics. In steam engines, the crank converts the linear motion of pistons powered by steam pressure into rotational motion that drives the wheels of a train. Similarly, in robotics, the crank mechanism is used to create articulated movements, allowing robotic arms to perform tasks with remarkable accuracy.Understanding the crank mechanism also involves recognizing its historical significance. The invention and refinement of this mechanism have been pivotal in the development of machinery since the Industrial Revolution. Engineers and inventors have continuously improved upon the design, leading to more efficient and powerful machines that have transformed industries and economies worldwide.In conclusion, the crank mechanism is not just a simple mechanical component; it is a fundamental principle that underpins many of the machines we rely on today. From bicycles to complex industrial machines, the ability of the crank mechanism to convert motion effectively makes it indispensable in both everyday applications and advanced technologies. As we continue to innovate and develop new systems, the crank mechanism will undoubtedly remain a cornerstone of mechanical engineering, showcasing the brilliance of human ingenuity in harnessing motion for practical use.

曲柄机构是我们日常生活中许多机器和设备的重要组成部分。这个机械系统将旋转运动转化为线性运动，使其在不同领域的各种应用成为可能。要理解曲柄机构的重要性，我们可以探索它的组成部分、功能以及在现实世界中的应用示例。曲柄机构的核心由一个曲柄组成，曲柄是一个围绕支点旋转的手柄或臂，以及一个连接杆，它将曲柄的圆周运动转化为直线运动。这种运动的转换在许多机器中至关重要，使得高效的操作和功能成为可能。例如，在发动机中，曲柄机构将活塞的上下运动转化为所需的旋转运动，以驱动曲轴，最终为车辆提供动力。曲柄机构的一个常见示例可以在自行车中找到。自行车的踏板连接到曲柄，当骑行者向下踩踏板时，曲柄会旋转。这种旋转通过链条传递到后轮，推动自行车向前。在这里，曲柄机构在将骑行者的体力转化为运动方面发挥了关键作用，展示了它在日常生活中的高效性和重要性。除了自行车，曲柄机构还广泛应用于各种工业应用中。例如，在制造业中，机器通常利用这一机制来创建线性运动，这是切割、压制或组装零件所必需的。曲柄机构的精确性和可靠性使其成为自动化过程中的宝贵组成部分，减少了人力劳动，提高了生产效率。此外，曲柄机构还可以在更复杂的系统中看到，例如蒸汽机甚至现代机器人。在蒸汽机中，曲柄将由蒸汽压力驱动的活塞的线性运动转化为驱动火车车轮的旋转运动。同样，在机器人技术中，曲柄机构被用来创造关节运动，使机器人手臂能够以惊人的准确性执行任务。理解曲柄机构还涉及认识到它的历史意义。曲柄机构的发明和完善在工业革命以来对机器的发展至关重要。工程师和发明家不断改进设计，导致更高效、更强大的机器，这些机器改变了全球的工业和经济。总之，曲柄机构不仅仅是一个简单的机械部件；它是支撑我们今天依赖的许多机器的基本原理。从自行车到复杂的工业机器，曲柄机构有效转换运动的能力使其在日常应用和先进技术中不可或缺。随着我们继续创新和开发新系统，曲柄机构无疑将继续作为机械工程的基石，展示人类在利用运动进行实际应用方面的聪明才智。