bell-crank lever

简明释义

双臂曲柄杆

英英释义

例句

1.To adjust the tension on the cable, you need to manipulate the bell-crank lever attached to the pulley.

要调整电缆的张力，您需要操作附在滑轮上的钟摆杠杆。

2.The engineer designed a new mechanism using a bell-crank lever to improve the efficiency of the machine.

工程师设计了一种新机制，使用钟摆杠杆来提高机器的效率。

3.In the model airplane, the control surfaces are operated by a bell-crank lever system for better maneuverability.

在模型飞机中，控制面由钟摆杠杆系统操作，以实现更好的机动性。

4.The robotic arm features a bell-crank lever that allows for precise movements in tight spaces.

机器人手臂配有一个钟摆杠杆，可以在狭小空间内进行精确运动。

5.The bicycle's braking system utilizes a bell-crank lever to convert the hand pull into brake action.

自行车的制动系统利用钟摆杠杆将手拉转换为刹车动作。

作文

The concept of a bell-crank lever is one that plays a significant role in mechanical engineering and various applications in our daily lives. A bell-crank lever is a type of lever that changes the direction of force. It consists of a rigid arm that pivots at a fixed point, allowing it to convert linear motion into rotational motion or vice versa. This simple yet effective mechanism can be found in many devices, from doorbells to more complex machinery used in manufacturing processes.To understand the importance of the bell-crank lever, we can look at its application in everyday items. For instance, when you press a doorbell, you are essentially using a bell-crank lever. The button you press activates a mechanism that moves a lever, which then strikes a bell to produce sound. This transformation of motion is crucial for the functionality of the doorbell, illustrating how the bell-crank lever effectively translates your action into a different form of energy.In mechanical systems, the bell-crank lever is often employed to control the movement of other components. For example, in a bicycle, the brake lever operates a bell-crank lever that pulls on the brake cables. When the rider squeezes the brake lever, the bell-crank lever converts this linear pull into a rotational motion that tightens the brakes, slowing down the bike. This efficient use of leverage allows for greater control and responsiveness, enhancing the safety and performance of the bicycle.Moreover, the bell-crank lever is also prevalent in various engineering applications, such as in the design of elevators. Elevators utilize a system of pulleys and levers to lift and lower the cab. The bell-crank lever can be part of the mechanism that helps change the direction of the cable's pull, allowing for smooth vertical movement. Without such mechanisms, the operation of elevators would be much less efficient and could lead to safety hazards.In the field of robotics, the bell-crank lever is used to facilitate complex movements. Robots often need to perform tasks that require precise control and manipulation of objects. By incorporating bell-crank levers into their designs, engineers can create robotic arms that mimic human-like motions, allowing them to grasp, lift, and move items with ease. This capability is essential in industries such as manufacturing, where automation is key to productivity.In conclusion, the bell-crank lever is an essential component in a wide range of mechanical systems. Its ability to change the direction of force and facilitate movement makes it invaluable in everyday applications, from simple devices like doorbells to complex machinery in engineering and robotics. Understanding the function and significance of the bell-crank lever not only enhances our appreciation of mechanical design but also highlights the ingenuity behind the machines we often take for granted. As we continue to innovate and develop new technologies, the principles behind the bell-crank lever will undoubtedly remain relevant, guiding engineers and designers in creating efficient and effective solutions for the future.

“钟形曲柄杠杆”的概念在机械工程以及我们日常生活中的各种应用中扮演着重要角色。钟形曲柄杠杆是一种改变力的方向的杠杆。它由一个在固定点 pivot 的刚性臂组成，允许它将线性运动转换为旋转运动或反之亦然。这种简单而有效的机制可以在许多设备中找到，从门铃到制造过程中使用的更复杂的机器。为了理解钟形曲柄杠杆的重要性，我们可以看看它在日常物品中的应用。例如，当您按下门铃时，您实际上是在使用钟形曲柄杠杆。您按下的按钮激活一个机制，该机制移动一个杠杆，然后击打一个铃铛以发出声音。这种运动的转化对于门铃的功能至关重要，说明了钟形曲柄杠杆如何有效地将您的动作转化为不同形式的能量。在机械系统中，钟形曲柄杠杆通常用于控制其他组件的运动。例如，在自行车中，刹车杠杆操作一个钟形曲柄杠杆，拉动刹车线。当骑车者挤压刹车杠杆时，钟形曲柄杠杆将这种线性拉动转换为旋转运动，从而收紧刹车，减缓自行车的速度。这种杠杆的高效使用允许更大的控制和响应性，提高了自行车的安全性和性能。此外，钟形曲柄杠杆在各种工程应用中也很普遍，例如在电梯的设计中。电梯利用一套滑轮和杠杆系统来升降轿厢。钟形曲柄杠杆可以是帮助改变电缆拉动方向的机制的一部分，从而实现平稳的垂直移动。如果没有这样的机制，电梯的操作效率将大大降低，并可能导致安全隐患。在机器人领域，钟形曲柄杠杆用于促进复杂运动。机器人通常需要执行需要精确控制和物体操纵的任务。通过将钟形曲柄杠杆纳入其设计，工程师可以创建模仿人类运动的机器人手臂，使其能够轻松抓取、提升和移动物体。这种能力在制造等行业中至关重要，因为自动化是提高生产力的关键。总之，钟形曲柄杠杆是各种机械系统中的重要组成部分。它改变力的方向和促进运动的能力使其在日常应用中不可或缺，从简单的门铃等设备到工程和机器人中的复杂机械。理解钟形曲柄杠杆的功能和重要性不仅增强了我们对机械设计的欣赏，也突显了我们经常视而不见的机器背后的独创性。随着我们不断创新和开发新技术，钟形曲柄杠杆背后的原理无疑将继续保持相关性，指导工程师和设计师为未来创造高效有效的解决方案。