stop pawl

简明释义

止爪

英英释义

例句

1.The mechanism failed because the stop pawl 止动爪 was not engaged properly.

由于止动爪未正确锁定，机械装置发生故障。

2.The design includes a stop pawl 止动爪 to hold the position of the lever securely.

设计中包含一个止动爪以安全地保持杠杆的位置。

3.During maintenance, check the stop pawl 止动爪 for any signs of damage.

在维护期间，检查止动爪是否有任何损坏迹象。

4.Before starting the machine, make sure the stop pawl 止动爪 is in place to prevent accidents.

在启动机器之前，请确保止动爪到位，以防止事故。

5.If the stop pawl 止动爪 is worn out, it may not function correctly.

如果止动爪磨损，可能无法正常工作。

作文

In the world of mechanical engineering, various components play crucial roles in ensuring the proper functioning of machines. One such component is the stop pawl, which is a device that prevents motion in one direction while allowing it in the opposite direction. This mechanism is essential in many applications, including clocks, elevators, and various types of machinery. Understanding the function and importance of the stop pawl can provide insight into its significance in everyday devices.The primary purpose of a stop pawl is to provide safety and control. For instance, in an elevator system, the stop pawl acts as a safety feature that ensures the elevator does not fall if there is a failure in the lifting mechanism. It locks into place and holds the elevator car securely, preventing any unintended descent. This aspect of the stop pawl highlights its critical role in protecting both the machinery and the passengers.Moreover, the stop pawl is also utilized in various mechanical clocks. In these timekeeping devices, the stop pawl engages with the gear train to control the movement of the clock hands. By allowing the gears to move only in one direction, it ensures accurate timekeeping. The precision offered by the stop pawl is vital, as even the slightest malfunction could lead to significant errors in time display.Another fascinating application of the stop pawl is found in bicycles. Many modern bikes incorporate a freewheel mechanism that utilizes a stop pawl. When the rider stops pedaling, the stop pawl allows the rear wheel to continue spinning freely, enabling coasting. This design not only enhances the riding experience but also improves efficiency, as it reduces resistance when the rider is not actively pedaling.The design of the stop pawl is relatively simple yet effective. Typically, it consists of a lever that pivots on a fixed point, engaging with a ratchet wheel. When the wheel turns in one direction, the stop pawl locks into place, preventing backward motion. This straightforward mechanism exemplifies how simple designs can lead to effective solutions in engineering challenges.In conclusion, the stop pawl is a fundamental component in various mechanical systems, providing safety, control, and efficiency. Its applications range from elevators to clocks and bicycles, demonstrating its versatility in engineering. By understanding the role of the stop pawl, we gain a greater appreciation for the intricate mechanisms that drive our everyday devices. As technology continues to advance, the principles behind the stop pawl will likely remain relevant, reminding us of the importance of reliable and efficient design in mechanical engineering.

在机械工程的世界中，各种组件在确保机器正常运行方面发挥着至关重要的作用。其中一个组件是止动爪，它是一种防止单向运动而允许反向运动的装置。这种机制在许多应用中至关重要，包括钟表、电梯和各种类型的机械。理解止动爪的功能和重要性可以让我们更深入地了解其在日常设备中的意义。止动爪的主要目的是提供安全性和控制。例如，在电梯系统中，止动爪作为一种安全特性，确保电梯在提升机制发生故障时不会下坠。它锁定到位，牢牢固定电梯轿厢，防止任何意外下降。止动爪的这一方面突显了其在保护机械和乘客方面的关键作用。此外，止动爪还广泛应用于各种机械钟表。在这些计时设备中，止动爪与齿轮传动系统配合，控制钟表指针的运动。通过只允许齿轮朝一个方向旋转，它确保了准确的时间记录。止动爪所提供的精确性至关重要，因为即使是最轻微的故障也可能导致时间显示的重大误差。止动爪的另一个有趣应用是在自行车上。许多现代自行车都采用了利用止动爪的自由轮机制。当骑行者停止踏板时，止动爪允许后轮继续自由旋转，从而实现滑行。这种设计不仅增强了骑行体验，还提高了效率，因为它减少了骑行者不主动踩踏时的阻力。止动爪的设计相对简单，但却非常有效。通常，它由一个在固定点上旋转的杠杆组成，与棘轮相啮合。当轮子向一个方向转动时，止动爪锁定到位，防止反向运动。这种简单的机制例证了简单设计如何在工程挑战中提供有效解决方案。总之，止动爪是各种机械系统中的基本组件，提供安全性、控制和效率。它的应用范围从电梯到钟表再到自行车，展示了其在工程中的多功能性。通过理解止动爪的作用，我们对驱动我们日常设备的复杂机制有了更深的认识。随着科技的不断进步，止动爪背后的原理可能仍然会保持相关性，提醒我们在机械工程中可靠和高效设计的重要性。