rack and pinion

简明释义

齿条-齿轮

英英释义

例句

1.The adjustable office chair features a rack and pinion design to change its height.

可调节的办公椅采用齿条和小齿轮设计来改变高度。

2.When you turn the wheel, the rack and pinion translates that motion into linear movement.

当你转动方向盘时，齿条和小齿轮将该运动转化为线性运动。

3.The steering system of many cars uses a rack and pinion mechanism for precise control.

许多汽车的转向系统使用齿条和小齿轮机制以实现精确控制。

4.In roller coasters, the rack and pinion system allows for smooth elevation changes.

在过山车中，齿条和小齿轮系统允许平滑的高度变化。

5.The rack and pinion setup in this machine enhances its overall efficiency.

这台机器中的齿条和小齿轮设置提高了整体效率。

作文

The term rack and pinion refers to a specific type of mechanical system that converts rotational motion into linear motion. This system is widely used in various applications, including steering mechanisms in vehicles, machine tools, and even in some types of elevators. Understanding the fundamentals of the rack and pinion mechanism can provide insights into its importance in engineering and design.At its core, the rack and pinion consists of two main components: the rack, which is a flat, linear gear with teeth, and the pinion, which is a small round gear that engages with the teeth of the rack. When the pinion rotates, it moves along the rack, causing the rack to slide in a straight line. This simple yet effective mechanism allows for precise control over movement, making it an essential component in many machines.One of the most common applications of the rack and pinion system is in the steering of automobiles. In a typical vehicle, the steering wheel is connected to a pinion gear. As the driver turns the wheel, the pinion rotates and engages with the rack, translating the rotational motion of the steering wheel into the lateral movement of the vehicle's wheels. This design not only provides better control over the vehicle but also enhances safety by allowing for quick and responsive steering.Beyond automotive applications, the rack and pinion mechanism is also utilized in various industrial machines. For instance, in CNC (Computer Numerical Control) machines, the rack and pinion system is employed to move the cutting tool along a designated path with high precision. The ability to convert rotational motion into linear movement enables these machines to perform intricate tasks with great accuracy, which is crucial in manufacturing processes.In addition to its mechanical advantages, the rack and pinion system is also appreciated for its simplicity and reliability. Unlike other mechanical systems that may require complex arrangements of belts, pulleys, or chains, the rack and pinion operates with fewer moving parts, reducing the likelihood of mechanical failure. This makes it a preferred choice in situations where durability and maintenance are critical factors.Furthermore, the rack and pinion system can be found in everyday objects as well. For example, many office chairs utilize a rack and pinion mechanism for height adjustment. When an individual pulls a lever, the pinion rotates, causing the rack to move up or down, allowing for easy customization of the chair's height. This application demonstrates how the rack and pinion system can enhance user experience in simple yet effective ways.In conclusion, the rack and pinion mechanism plays a vital role in modern engineering and design. Its ability to efficiently convert rotational motion into linear motion makes it indispensable in various applications, from automotive steering to industrial machinery and everyday furniture. By understanding how the rack and pinion works, we can appreciate the ingenuity behind its design and the impact it has on our daily lives. As technology continues to advance, the rack and pinion will undoubtedly remain a fundamental component in the evolution of mechanical systems.

“rack and pinion”这个术语指的是一种特定的机械系统，它将旋转运动转化为线性运动。该系统广泛应用于各种场合，包括车辆的转向机制、机床，甚至某些类型的电梯。理解“rack and pinion”机制的基本原理可以深入了解它在工程和设计中的重要性。“rack and pinion”的核心由两个主要组件组成：齿条（rack），它是一种带齿的平面线性齿轮，以及小齿轮（pinion），它是一个与齿条的齿相啮合的小圆形齿轮。当小齿轮旋转时，它沿着齿条移动，导致齿条直线滑动。这种简单而有效的机制允许对运动进行精确控制，使其成为许多机器的重要组成部分。“rack and pinion”系统最常见的应用之一是在汽车的转向中。在典型车辆中，方向盘与小齿轮连接。当驾驶员转动方向盘时，小齿轮旋转并与齿条啮合，将方向盘的旋转运动转化为车辆车轮的横向运动。这种设计不仅提供了更好的车辆控制，还通过快速响应的转向增强了安全性。除了汽车应用外，“rack and pinion”机制还被用于各种工业机器中。例如，在CNC（计算机数控）机器中，“rack and pinion”系统被用于以高精度沿指定路径移动切削工具。将旋转运动转化为线性运动的能力使这些机器能够以极高的准确性执行复杂任务，这在制造过程中至关重要。除了机械优势外，“rack and pinion”系统因其简单性和可靠性而受到赞赏。与其他可能需要复杂皮带、滑轮或链条排列的机械系统不同，“rack and pinion”只需较少的运动部件，从而减少了机械故障的可能性。这使其成为在耐用性和维护至关重要的情况下的首选。此外，“rack and pinion”系统也可以在日常物品中找到。例如，许多办公椅利用“rack and pinion”机制进行高度调整。当个人拉动杠杆时，小齿轮旋转，导致齿条上下移动，从而方便地自定义椅子的高度。这种应用展示了“rack and pinion”系统如何在简单而有效的方式上增强用户体验。总之，“rack and pinion”机制在现代工程和设计中发挥着至关重要的作用。其有效地将旋转运动转化为线性运动的能力使其在从汽车转向到工业机械和日常家具等各种应用中不可或缺。通过理解“rack and pinion”的工作原理，我们可以欣赏其设计背后的独创性以及它对我们日常生活的影响。随着技术的不断进步，“rack and pinion”无疑将继续作为机械系统演变中的一个基本组成部分。