crane arm

简明释义

起重机吊杆

英英释义

例句

1.The construction crew used the crane arm to lift heavy steel beams into place.

施工队使用起重臂将重钢梁提升到位。

2.The crane arm can extend up to 100 feet to reach higher buildings.

该起重臂可以伸展到100英尺，以便到达更高的建筑物。

3.Safety checks are crucial before operating the crane arm.

在操作起重臂之前，安全检查至关重要。

4.The operator skillfully maneuvered the crane arm to avoid obstacles.

操作员熟练地操纵着起重臂以避免障碍物。

5.During the inspection, we noticed that the crane arm was slightly bent.

在检查中，我们注意到起重臂有些弯曲。

作文

In the world of construction and heavy machinery, the term crane arm refers to a critical component of a crane that is responsible for lifting and moving heavy loads. A crane arm is typically a long, extendable arm that can pivot and reach significant heights, allowing operators to place materials precisely where they are needed. Understanding the function and mechanics of a crane arm is essential for anyone involved in construction, engineering, or logistics.The design of a crane arm varies depending on the type of crane being used. For instance, tower cranes, which are commonly seen at large construction sites, have a horizontal crane arm that extends out from a vertical mast. This arm can rotate 360 degrees, enabling it to reach various areas of the construction site without having to move the entire crane. The ability to rotate is crucial for efficiency, as it minimizes the time and effort required to reposition the crane for different tasks.Another type of crane, the mobile crane, features a crane arm that is mounted on a truck chassis. This design allows for greater mobility, making it easier to transport the crane to different job sites. The crane arm on a mobile crane can often be extended and retracted, providing versatility in lifting operations. Operators must be trained to understand the limitations and capabilities of the crane arm to ensure safe and effective use.Safety is paramount when operating a crane, and understanding the crane arm is a key aspect of this. The weight capacity of a crane arm is determined by its length and the materials used in its construction. Overloading a crane can lead to catastrophic failures, which is why operators must always adhere to the manufacturer’s specifications regarding load limits. Additionally, proper maintenance of the crane arm is essential to prevent mechanical failures that could endanger workers on the site.In conclusion, the crane arm is an indispensable part of modern construction and heavy lifting operations. Its design and functionality allow for the safe and efficient movement of materials, significantly contributing to the success of construction projects. Understanding how a crane arm works, along with the associated safety protocols, is vital for anyone working in or around construction sites. As technology continues to evolve, we can expect further advancements in crane design, enhancing the capabilities of crane arms and improving safety measures for all workers involved in heavy lifting tasks.

在建筑和重型机械的世界中，短语crane arm指的是起重机的一个关键组成部分，负责提升和移动重物。crane arm通常是一个长的可伸缩臂，可以旋转并达到显著的高度，使操作员能够将材料精确放置在所需的位置。理解crane arm的功能和机械原理对于任何参与建筑、工程或物流的人来说都是至关重要的。crane arm的设计因所使用的起重机类型而异。例如，塔式起重机在大型建筑工地上常见，具有一个水平的crane arm，从垂直的塔身延伸出来。这个臂可以旋转360度，使其能够覆盖施工现场的各个区域，而无需移动整个起重机。旋转的能力对于提高效率至关重要，因为它最小化了为不同任务重新定位起重机所需的时间和精力。另一种起重机，移动起重机，具有安装在卡车底盘上的crane arm。这种设计允许更大的机动性，使得运输起重机到不同的工作现场变得更加容易。移动起重机上的crane arm通常可以伸展和收缩，为提升操作提供了多样性。操作员必须接受培训，以了解crane arm的限制和能力，以确保安全和有效的使用。在操作起重机时，安全是首要任务，而理解crane arm是这一方面的关键。crane arm的承载能力由其长度和构造材料决定。超载起重机可能导致灾难性的故障，这就是为什么操作员必须始终遵守制造商关于负载限制的规格。此外，适当维护crane arm对于防止机械故障至关重要，这可能会危及工地上的工人安全。总之，crane arm是现代建筑和重型提升操作中不可或缺的一部分。它的设计和功能使得安全和高效地移动材料成为可能，显著促进了建筑项目的成功。理解crane arm的工作原理以及相关的安全协议，对于任何在建筑现场工作的人来说都是至关重要的。随着技术的不断发展，我们可以期待起重机设计的进一步进步，增强crane arm的能力，并改善所有参与重型提升任务的工人的安全措施。