jib arm

简明释义

首三角帆臂挺杆臂

英英释义

例句

1.During the storm, the jib arm of the crane swayed dangerously.

在风暴期间，起重机的吊臂危险地摇摆。

2.Safety protocols require checking the jib arm before each use.

安全协议要求在每次使用前检查吊臂。

3.The jib arm can rotate to allow for better maneuverability in tight spaces.

吊臂可以旋转，以便在狭小空间内更好地操控。

4.We need to extend the jib arm to reach the top of the building for repairs.

我们需要伸展吊臂以达到建筑物顶部进行维修。

5.The crane operator adjusted the jib arm to lift the heavy steel beams into place.

起重机操作员调整了吊臂以将重钢梁放置到位。

作文

The term jib arm refers to a structural component commonly found in cranes and certain types of heavy machinery. It plays a crucial role in the operation of these machines by extending the reach of the lifting mechanism. The jib arm is typically positioned at an angle, allowing it to support loads that are situated farther away from the base of the crane or equipment. This feature is particularly important in construction sites where space is often limited, and precise maneuvering of heavy materials is required.In essence, the jib arm serves as a lever that enhances the mechanical advantage of the crane. By extending the arm, operators can lift heavier loads with greater ease and efficiency. The design of the jib arm varies depending on the type of crane; some may have a fixed arm, while others might use a telescoping mechanism that allows for adjustable lengths. This versatility makes cranes equipped with a jib arm highly valuable in various industries, including construction, shipping, and manufacturing.Understanding how a jib arm functions is essential for anyone involved in operating cranes. Operators must be aware of the weight limits and the angles at which the jib arm can safely operate. Exceeding these limits can lead to dangerous situations, including tipping over the crane or causing the load to swing uncontrollably. Therefore, safety protocols and training are critical components of crane operation.Moreover, the engineering behind the jib arm involves careful calculations to ensure stability and strength. Engineers must consider factors such as the materials used in the jib arm, the pivot points, and the overall design of the crane to optimize performance. Innovations in materials science have led to the development of lighter yet stronger materials, allowing for more efficient crane designs that incorporate advanced jib arms.In conclusion, the jib arm is a vital part of many lifting devices, significantly impacting their functionality and efficiency. Its ability to extend the reach of a crane while maintaining stability makes it indispensable in various applications. As technology advances, we can expect to see even more innovative designs and uses for the jib arm, further enhancing the capabilities of cranes and other heavy machinery in the future.

短语jib arm指的是在起重机和某些类型重型机械中常见的结构组件。它在这些机器的操作中发挥着至关重要的作用，通过延长提升机制的范围。jib arm通常以一个角度定位，使其能够支撑位于起重机或设备基础更远处的负载。这一特性在建筑工地上尤为重要，因为空间往往有限，需要精确操控重物。从本质上讲，jib arm作为一种杠杆，增强了起重机的机械优势。通过伸展臂，操作员可以更轻松、更高效地提升更重的负载。jib arm的设计因起重机类型而异；有些可能有固定臂，而其他则可能使用可伸缩机制，允许可调长度。这种多功能性使得配备jib arm的起重机在建筑、运输和制造等各个行业中极具价值。理解jib arm的功能对于任何参与操作起重机的人来说都是至关重要的。操作员必须意识到重量限制以及jib arm可以安全操作的角度。超出这些限制可能会导致危险情况，包括起重机倾覆或负载失控摆动。因此，安全协议和培训是起重机操作的重要组成部分。此外，jib arm背后的工程涉及仔细的计算，以确保稳定性和强度。工程师必须考虑jib arm所用材料、支点以及起重机的整体设计，以优化性能。材料科学的创新导致开发出更轻但更强的材料，从而允许更高效的起重机设计，包含先进的jib arms。总之，jib arm是许多提升设备的重要组成部分，显著影响其功能和效率。它在保持稳定的同时扩展起重机的范围，使其在各种应用中不可或缺。随着技术的进步，我们可以期待看到更多创新的设计和对jib arm的使用，进一步增强未来起重机和其他重型机械的能力。