pawl

简明释义

英[pɔːl]美[pɔl]

n. 制转杆，卡爪

vt. 用掣爪停转

英英释义

单词用法

同义词

反义词

例句

1.The pawl type bamboo roots grab was designed.

竹爪式竹根挖掘机方案设计。

2.Due to this mechanical coupling, the park pawl is retained in the unblocked position and prevented from falling into the park gear even if the return spring breaks.

由于该机械联接，驻车掣爪保持在非阻挡位置中，并被防止落入驻车齿轮中，即使在复位弹簧破损时。

3.A ratchet spring provides tensile force to the ratchet pawl.

棘齿弹簧为所述棘齿爪提供拉力。

4.The ratchet pawl is arranged on the spacing sliding block with a ratchet pawl pin. The spacing sliding block can move in the horizontal chute.

棘爪用棘爪销子安装在限位滑块上，限位滑块可在水平滑槽中运动。

5.Pawl is a simple device which allows a shaft to turn only one way.

掣爪是一种非常简单的只让转轴往一个方向转动的装置。

6.The fastening tool further includes a coil feeder (720) assembly having an indexing pawl (722).

紧固工具还包括具有分度棘爪的卷料进给组件。

7.The pawl, wheel, or bar of this mechanism.

棘轮，棘爪，棘条这种机械装置中的爪状物，转轮或。

8.Key removable in locked position only. Spring loaded clip - in pawl.

只能在锁住位置时取出钥匙，弹簧加载的嵌入式掣子。

9.After the ratchet wheel is braked by pawl, the shock is buffered by the elastic body compressed by movable seat.

棘爪制动棘轮后，冲击力经活动棘爪座压缩弹性物，得到缓冲。

10.To secure the load, the winch is equipped with a pawl that locks in place when not in use.

为了固定负载，卷扬机配备了一个在不使用时锁定位置的棘爪。

11.The clock's mechanism relies on a pawl to control the movement of the gears.

钟表的机制依赖于一个棘爪来控制齿轮的运动。

12.When the lever is pulled, the pawl engages with the ratchet to allow movement in one direction.

当拉动杠杆时，棘爪与棘轮接合，允许单向移动。

13.The bicycle's freewheel uses a pawl system to enable coasting without pedaling.

自行车的自由轮使用棘爪系统，使得不踩踏板也能滑行。

14.The gear mechanism was designed with a pawl to prevent backward movement.

这个齿轮机制设计了一个棘爪来防止向后移动。

作文

In the world of mechanics, there are countless components that work together to create complex machines. One such component is the pawl, a small but essential part that plays a crucial role in various mechanical systems. A pawl is a pivoted lever that engages with a ratchet wheel, allowing motion in one direction while preventing it in the opposite direction. This simple yet effective mechanism is found in many applications, from clocks to bicycles, and even in heavy machinery. Understanding the function and importance of a pawl can provide insight into how these machines operate and the engineering principles behind them.The primary function of a pawl is to ensure that a rotating or linear motion is controlled. For example, in a ratchet wrench, the pawl allows the user to turn the tool in one direction to tighten a bolt while preventing it from loosening when turned in the opposite direction. This feature is particularly useful in situations where continuous rotation is needed without the risk of backsliding. The design of the pawl ensures that it locks into place securely, providing the necessary grip to transmit torque effectively.Moreover, the pawl is not limited to hand tools; it is also a vital component in larger machines. In cranes and hoists, for instance, a pawl is used to hold heavy loads in place, ensuring safety during lifting operations. When the operator engages the mechanism, the pawl catches on the ratchet wheel, preventing any accidental release of the load. This application highlights the significance of the pawl in maintaining safety and functionality in industrial settings.Additionally, the pawl is an integral part of timekeeping devices like clocks. In traditional mechanical clocks, pawls are used to control the movement of gears, allowing for accurate time measurement. The interaction between the pawl and the gear system regulates the flow of energy, ensuring that the clock ticks at a consistent rate. This precise control is essential for the clock's reliability, demonstrating how a seemingly small component can have a significant impact on overall performance.Furthermore, the design of a pawl can vary depending on its specific application. Some pawls are designed to be spring-loaded, which helps maintain contact with the ratchet wheel, while others may utilize gravity or friction to achieve the same effect. Engineers must carefully consider the materials and design of a pawl to ensure it can withstand the forces it will encounter during operation. This attention to detail is what separates high-quality machinery from inferior products.In conclusion, the pawl may be a small component, but its role in mechanical systems is undeniably significant. From hand tools to heavy machinery and timekeeping devices, the pawl ensures controlled motion and enhances safety. By understanding the function and design of a pawl, we can appreciate the intricacies of engineering that allow machines to operate efficiently and reliably. The next time you use a tool or glance at a clock, take a moment to acknowledge the humble pawl and the essential role it plays in our everyday lives.

在机械世界中，有无数个组件共同工作，创造出复杂的机器。其中一个组件就是爪，一个小而重要的部分，在各种机械系统中发挥着至关重要的作用。爪是一个枢轴杠杆，与棘轮相互作用，允许单向运动，同时防止反向运动。这种简单而有效的机制在许多应用中都能找到，从时钟到自行车，甚至重型机械。理解爪的功能和重要性可以提供对这些机器如何运作及其背后工程原理的深入了解。爪的主要功能是确保旋转或线性运动受到控制。例如，在棘轮扳手中，爪允许用户在一个方向上转动工具以拧紧螺栓，同时防止它在相反方向上松动。这一特性在需要连续旋转而不担心滑回的情况下特别有用。爪的设计确保它牢固地锁定到位，提供必要的抓握力以有效传递扭矩。此外，爪不仅限于手动工具；它也是大型机器中的重要组成部分。例如，在起重机和升降机中，爪用于固定重物，确保在提升操作过程中的安全。当操作员启用机制时，爪会卡在棘轮上，防止重物意外释放。这一应用突显了爪在保持工业环境中的安全性和功能性方面的重要性。此外，爪还是传统机械时钟等计时设备的不可或缺的部分。在传统机械时钟中，爪用于控制齿轮的运动，从而实现准确的时间测量。爪与齿轮系统之间的相互作用调节能量的流动，确保时钟以一致的速度滴答作响。这种精确的控制对时钟的可靠性至关重要，展示了一个看似微小的组件如何对整体性能产生重大影响。此外，爪的设计可能会根据其特定应用而有所不同。有些爪被设计为弹簧加载，这有助于保持与棘轮的接触，而其他爪可能利用重力或摩擦来实现相同的效果。工程师必须仔细考虑爪的材料和设计，以确保它能够承受在操作过程中遇到的力量。这种对细节的关注使高质量的机械与劣质产品区分开来。总之，爪可能是一个小组件，但它在机械系统中的作用无疑是重要的。从手动工具到重型机械和计时设备，爪确保了受控运动并增强了安全性。通过理解爪的功能和设计，我们可以欣赏到使机器高效可靠运行的工程复杂性。下次使用工具或瞥见时钟时，请花一点时间来认可谦逊的爪及其在我们日常生活中所扮演的重要角色。