crank mechanism

简明释义

曲柄机构

英英释义

例句

1.In the engine, the crank mechanism plays a crucial role in converting linear motion into rotational motion.

在发动机中，曲柄机制在将线性运动转化为旋转运动方面起着至关重要的作用。

2.The bicycle uses a crank mechanism to convert the rider's pedaling into motion.

这辆自行车使用曲柄机制将骑行者的踩踏转化为运动。

3.Many machines use a crank mechanism to transform rotary motion into linear movement.

许多机器使用曲柄机制将旋转运动转化为线性运动。

4.The toy wind-up robot operates using a simple crank mechanism to wind its spring.

这个玩具上发条机器人使用一个简单的曲柄机制来上紧弹簧。

5.The old-fashioned car had a manual crank mechanism to start the engine.

这辆老式汽车有一个手动的曲柄机制来启动发动机。

作文

The invention of the crank mechanism has significantly transformed the way we approach mechanical engineering and design. A crank mechanism is a device that converts rotary motion into linear motion, or vice versa, and it plays a crucial role in various machines and engines. This mechanism consists of a crank arm that is connected to a rotating shaft and a connecting rod that translates the rotational movement into linear motion. The simplicity and efficiency of the crank mechanism make it an essential component in numerous applications, from bicycles to complex industrial machinery.One of the most common examples of a crank mechanism can be found in the design of a bicycle. When a cyclist pedals, the pedals rotate a crank arm attached to the bike's chainring. This rotation is transferred through the chain to the rear wheel, propelling the bicycle forward. The crank mechanism allows for a smooth transfer of energy, enabling cyclists to travel efficiently over various terrains. Without this ingenious design, cycling would be far less effective and enjoyable.In addition to bicycles, the crank mechanism is also utilized in engines, particularly in internal combustion engines. In these engines, the crankshaft rotates due to the combustion of fuel, and this rotation is converted into linear motion by the pistons. The crank mechanism ensures that the pistons move up and down in a synchronized manner, allowing the engine to function smoothly and efficiently. This mechanism is vital for the performance and reliability of modern vehicles, as it directly impacts the power output and fuel efficiency.Moreover, the crank mechanism is not limited to transportation; it is also found in various tools and machines. For instance, many hand-operated devices, such as winches and manual drills, utilize a crank mechanism to convert manual effort into rotational force. This allows users to lift heavy objects or drill holes with relative ease. The versatility of the crank mechanism makes it an invaluable tool in both everyday tasks and specialized industrial applications.The design of a crank mechanism can vary depending on its application. Engineers often experiment with different shapes, sizes, and materials to optimize performance and efficiency. For example, in high-performance engines, lightweight materials are used to reduce friction and increase speed. Similarly, in recreational equipment, the design may prioritize user comfort and ease of use. Regardless of the specific application, the underlying principles of the crank mechanism remain consistent, highlighting its importance in mechanical design.In conclusion, the crank mechanism is a fundamental component in various mechanical systems, enabling the conversion of motion in a practical and efficient manner. Its applications range from simple bicycles to complex engines and machinery, showcasing its versatility and significance in modern technology. Understanding the workings of the crank mechanism not only enhances our appreciation for engineering but also inspires innovation in future designs. As we continue to explore new technologies, the crank mechanism will undoubtedly remain a key player in the evolution of mechanical systems.

曲柄机构的发明显著改变了我们对机械工程和设计的看法。曲柄机构是一种将旋转运动转换为线性运动或反之亦然的装置，它在各种机器和引擎中发挥着至关重要的作用。该机制由一个连接到旋转轴的曲柄臂和一个将旋转运动转化为线性运动的连杆组成。曲柄机制的简单性和高效性使其成为众多应用中的基本组件，从自行车到复杂的工业机械。最常见的曲柄机构示例可以在自行车的设计中找到。当骑自行车的人踩踏板时，踏板旋转一个连接到自行车链轮的曲柄臂。这种旋转通过链条传递到后轮，推动自行车向前行驶。曲柄机构允许能量平稳地转移，使骑自行车的人能够在各种地形上有效旅行。如果没有这种巧妙的设计，骑自行车的效率和乐趣将大大降低。除了自行车，曲柄机构还广泛应用于发动机，尤其是内燃机。在这些发动机中，曲轴由于燃料的燃烧而旋转，这种旋转通过活塞转化为线性运动。曲柄机构确保活塞以同步的方式上下移动，使发动机能够平稳高效地运转。该机制对于现代车辆的性能和可靠性至关重要，因为它直接影响功率输出和燃油效率。此外，曲柄机构不仅限于交通工具；它还出现在各种工具和机器中。例如，许多手动操作的设备，如绞车和手动钻孔机，利用曲柄机构将手动努力转化为旋转力。这使得用户能够相对轻松地提升重物或钻孔。曲柄机构的多功能性使其在日常任务和专业工业应用中都成为一种宝贵的工具。曲柄机构的设计可以根据其应用而有所不同。工程师们常常尝试不同的形状、尺寸和材料，以优化性能和效率。例如，在高性能发动机中，使用轻质材料以减少摩擦并提高速度。类似地，在休闲设备中，设计可能优先考虑用户的舒适性和易用性。无论具体应用如何，曲柄机构的基本原理保持一致，突显了其在机械设计中的重要性。总之，曲柄机构是各种机械系统中的基本组件，能够以实用和高效的方式实现运动的转换。它的应用范围从简单的自行车到复杂的发动机和机器，展示了其多功能性和在现代技术中的重要性。理解曲柄机构的工作原理不仅增强了我们对工程的欣赏，还激励了未来设计中的创新。随着我们继续探索新技术，曲柄机构无疑将在机械系统的发展中继续发挥关键作用。