bell crank

简明释义

双臂曲柄直角杠杆

英英释义

例句

1.The mechanic adjusted the position of the bell crank to improve the efficiency of the engine.

技师调整了偏心轮的位置，以提高发动机的效率。

2.When the lever was pulled, the bell crank activated the switch.

当拉动杠杆时，偏心轮激活了开关。

3.The engineer designed a new system that utilized a bell crank for better control.

工程师设计了一个新系统，利用偏心轮以获得更好的控制。

4.He used a bell crank to convert the linear motion into rotary motion in the model train.

他使用偏心轮将线性运动转换为模型火车中的旋转运动。

5.In the old clock, the bell crank was responsible for striking the hours.

在这座古老的钟表中，偏心轮负责报点。

作文

In the world of mechanical engineering, various components play crucial roles in the functionality of machines. One such component is the bell crank, which is a lever that changes the direction of force. The bell crank is typically used to convert linear motion into rotational motion or vice versa. This simple yet effective device can be found in a variety of applications, from bicycles to complex machinery in factories. Understanding the bell crank and its function can greatly enhance one's appreciation for mechanical systems.The design of a bell crank is relatively straightforward. It consists of two arms that are at right angles to each other, connected by a pivot point. When force is applied to one arm, it causes the other arm to move in the opposite direction. This unique ability to redirect force makes the bell crank an essential component in many mechanical systems. For instance, in a bicycle, the bell crank is used in the braking system, allowing the rider to apply pressure on the brake lever, which then activates the brake pads.Moreover, the bell crank is not limited to bicycles; it is widely used in various machinery. In industrial applications, the bell crank may be employed to operate conveyor belts or to engage and disengage different parts of a machine. Its versatility stems from its ability to handle different types of motion and forces, making it a valuable tool in engineering design.One of the key advantages of using a bell crank is its efficiency in transmitting force. By converting linear motion into rotational motion, it allows for smoother operation of machinery. This is particularly important in applications where precision and control are vital. For example, in a robotic arm, the bell crank can help achieve accurate positioning of the end effector by translating the movements of the base into the desired actions of the arm.In addition to its mechanical benefits, the bell crank also offers practical advantages in terms of space and design. Because it can change the direction of force without requiring additional components, it helps to simplify the overall design of a machine. This can lead to reduced manufacturing costs and easier maintenance, as fewer parts mean less potential for failure.However, despite its many advantages, the bell crank is not without its limitations. The effectiveness of a bell crank can be influenced by factors such as the angle of the arms and the amount of force applied. If the angle is not optimized, it can lead to inefficient force transmission, resulting in wear and tear on the component over time. Therefore, engineers must carefully consider these factors when designing systems that incorporate a bell crank.In conclusion, the bell crank is a fundamental component in mechanical engineering that serves to redirect force and facilitate motion. Its applications are vast, ranging from everyday items like bicycles to complex industrial machinery. By understanding the function and importance of the bell crank, we can gain a deeper insight into the mechanics behind the technology that drives our world. As we continue to innovate and develop new technologies, the role of the bell crank will undoubtedly remain significant, proving that sometimes, the simplest solutions are the most effective.

在机械工程的世界中，各种组件在机器的功能中发挥着至关重要的作用。其中一个组件是bell crank，它是一种改变力的方向的杠杆。bell crank通常用于将线性运动转换为旋转运动或反之亦然。这种简单而有效的装置可以在各种应用中找到，从自行车到工厂中的复杂机械。理解bell crank及其功能可以大大增强人们对机械系统的欣赏。bell crank的设计相对简单。它由两条相互垂直的臂组成，通过一个支点连接。当施加力量于一条臂时，会导致另一条臂朝相反方向移动。这种独特的重新定向力量的能力使得bell crank成为许多机械系统中必不可少的组件。例如，在自行车中，bell crank用于制动系统，允许骑行者施加压力于刹车杆，从而激活刹车片。此外，bell crank并不限于自行车；它在各种机器中广泛使用。在工业应用中，bell crank可能被用来操作输送带或接合和 disengage 机器的不同部分。它的多功能性源于其处理不同类型运动和力量的能力，使其成为工程设计中的宝贵工具。使用bell crank的一个主要优点是其传递力量的效率。通过将线性运动转换为旋转运动，它允许机器的更平滑操作。这在精确和控制至关重要的应用中尤为重要。例如，在机器人手臂中，bell crank可以通过将基座的运动转化为手臂的期望动作来帮助实现准确定位。除了机械优势外，bell crank在空间和设计方面也提供了实际优势。由于它可以在不需要额外组件的情况下改变力的方向，因此有助于简化机器的整体设计。这可以导致降低制造成本和更容易的维护，因为较少的部件意味着减少潜在的故障。因此，工程师在设计包含bell crank的系统时必须仔细考虑这些因素。然而，尽管有许多优点，bell crank并非没有局限性。bell crank的有效性可能会受到诸如臂的角度和施加力量的大小等因素的影响。如果角度没有优化，可能导致效率低下的力量传递，导致组件随时间磨损。因此，工程师在设计包含bell crank的系统时必须仔细考虑这些因素。总之，bell crank是机械工程中的基本组件，用于重新定向力量和促进运动。它的应用范围广泛，从日常物品如自行车到复杂的工业机械。通过理解bell crank的功能和重要性，我们可以更深入地了解驱动我们世界的技术背后的机械原理。随着我们继续创新和开发新技术，bell crank的角色无疑将保持重要，这证明有时最简单的解决方案是最有效的。