shear pin

简明释义

剪刀销

英英释义

例句

1.When installing the new parts, make sure to replace the shear pin (剪切销) to prevent future failures.

在安装新零件时，确保更换 shear pin (剪切销) 以防止将来的故障。

2.The machine stopped working because the shear pin (剪切销) broke during operation.

机器停止工作是因为在操作过程中 shear pin (剪切销) 折断了。

3.The shear pin (剪切销) is designed to protect the machinery from overload conditions.

shear pin (剪切销) 的设计目的是保护机器免受过载情况的影响。

4.After the accident, we found that the shear pin (剪切销) had sheared off, which caused the failure.

事故发生后，我们发现 shear pin (剪切销) 已经折断，这导致了故障。

5.Always keep spare shear pins (剪切销) on hand for quick replacements during maintenance.

在维护期间，始终准备一些备用的 shear pins (剪切销) 以便快速更换。

作文

In mechanical engineering, various components are designed to work together seamlessly. One such component is the shear pin, which plays a crucial role in protecting machinery from excessive stress and potential damage. A shear pin is a type of fastener that is intentionally designed to fail when a certain amount of force is applied to it. This failure occurs through shear stress, hence the name. By breaking under high load conditions, the shear pin acts as a safety mechanism, preventing more significant damage to the machinery it is part of.The primary function of a shear pin is to serve as a sacrificial element. When machines operate under normal conditions, the shear pin holds together two parts securely. However, if an unforeseen event occurs—such as a sudden blockage or mechanical jam—the shear pin will shear off, allowing the connected components to separate. This separation can prevent catastrophic failures that might otherwise lead to costly repairs or even complete machine breakdowns.For instance, in agricultural machinery like tractors and combines, shear pins are commonly used in rotating equipment such as choppers or augers. If a foreign object gets caught in the machinery, the shear pin will break, stopping the rotation and protecting the motor and other critical components from damage. This feature not only enhances safety but also minimizes downtime for repairs, as replacing a shear pin is typically a quick and inexpensive process compared to repairing damaged machinery.Another example can be found in snow blowers, where shear pins are used to connect the auger to the drive system. When the auger encounters ice or a large rock, the shear pin breaks, allowing the auger to stop spinning without causing damage to the engine or transmission. This design highlights the importance of the shear pin in ensuring that machines can handle unexpected obstacles without incurring major damage.The selection of the appropriate shear pin is vital for the effective functioning of any machine that employs this safety feature. Engineers must consider factors such as the material, diameter, and tensile strength of the pin to ensure it will fail at the desired load. Using a pin that is too strong may result in damage to other components, while a pin that is too weak may break under normal operating conditions.In conclusion, the shear pin is an essential component in many mechanical systems, providing a simple yet effective means of protecting machinery from overload. Its ability to fail predictably under excessive stress allows for easier maintenance and repair, ultimately extending the lifespan of the equipment. Understanding the function and importance of the shear pin is crucial for anyone involved in mechanical design or maintenance, as it exemplifies how thoughtful engineering can enhance safety and efficiency in machinery operation.

在机械工程中，各种组件被设计为无缝协作。其中一个组件是剪切销，它在保护机器免受过度压力和潜在损坏方面发挥着至关重要的作用。剪切销是一种故意设计为在施加一定力量时失效的紧固件。这种失效通过剪切应力发生，因此得名。通过在高负载条件下断裂，剪切销作为安全机制，防止其所属机器发生更大的损坏。剪切销的主要功能是作为牺牲元件。当机器在正常条件下运行时，剪切销将两个部分牢固地连接在一起。然而，如果发生意外事件，例如突然堵塞或机械卡住，剪切销将断裂，允许连接的组件分离。这种分离可以防止灾难性故障，否则可能导致昂贵的维修甚至完全机器故障。例如，在农业机械如拖拉机和联合收割机中，剪切销通常用于旋转设备，如切割机或螺旋输送机。如果异物被卡在机器中，剪切销将断裂，停止旋转，保护电动机和其他关键组件不受损坏。这一特性不仅增强了安全性，还最小化了维修的停机时间，因为更换剪切销通常是一个快速且廉价的过程，与修复损坏的机器相比。另一个例子可以在雪铲中找到，其中剪切销用于将螺旋输送机连接到驱动系统。当螺旋输送机遇到冰块或大石头时，剪切销断裂，允许螺旋输送机停止旋转而不会对引擎或传动装置造成损害。这个设计突显了剪切销在确保机器能够处理意外障碍而不遭受重大损坏方面的重要性。选择合适的剪切销对任何使用此安全特性的机器的有效运行至关重要。工程师必须考虑销的材料、直径和抗拉强度，以确保它将在所需负载下失效。使用强度过大的销可能会导致其他组件损坏，而强度过弱的销可能会在正常操作条件下断裂。总之，剪切销是许多机械系统中的基本组件，提供了一种简单而有效的方法来保护机器免受过载。它在过度压力下可预测地失效的能力使维护和修理变得更容易，最终延长了设备的使用寿命。理解剪切销的功能和重要性对于任何参与机械设计或维护的人来说都是至关重要的，因为它体现了深思熟虑的工程如何增强机器操作的安全性和效率。