crossarm

简明释义

英[/ˈkrɔsˌɑrm/]美[/ˈkrɔsˌɑrm/]

n. 横木

英英释义

单词用法

同义词

反义词

例句

1.It is of polyurethane foam inside , in order to increase the intensity of crossarm and the prevention of rainwater infiltration;

管内有聚氨酯发泡剂，以增加横担的强度和防止雨水渗透；

2.It is of polyurethane foam inside , in order to increase the intensity of crossarm and the prevention of rainwater infiltration;

管内有聚氨酯发泡剂，以增加横担的强度和防止雨水渗透；

3.The technician replaced the broken crossarm on the utility pole.

技术人员更换了电线杆上损坏的横臂。

4.During the storm, the crossarm snapped, causing a power outage.

在暴风雨中，横臂折断了，导致停电。

5.He climbed the pole to install a new crossarm for the overhead wires.

他爬上电杆安装新的横臂以支撑架空电线。

6.The old wooden crossarm was replaced with a more durable composite material.

旧的木质横臂被更耐用的复合材料替换。

7.Each crossarm is designed to hold multiple lines of electrical wiring.

每个横臂都设计用于支撑多条电缆。

作文

In the realm of electrical engineering, the term crossarm refers to a critical component used in the construction of power lines. The crossarm is typically a horizontal structure that is mounted on utility poles, and it serves the purpose of holding up the electrical wires that transmit electricity over long distances. Understanding the role of the crossarm is essential for anyone interested in how electrical systems operate and are maintained. The design of a crossarm can vary depending on the specific requirements of the installation. For instance, a typical wooden crossarm is often made from durable timber that can withstand harsh weather conditions. In contrast, metal crossarms are also common, especially in areas where additional strength is needed due to high wind loads or other environmental factors. The choice between wood and metal often depends on the geographic location and the specific challenges presented by the local climate. One of the most significant roles of the crossarm is to maintain the proper spacing between the conductors. This spacing is crucial to prevent electrical arcing, which can lead to power outages or even catastrophic failures in the power grid. By providing a stable platform for the wires, the crossarm helps ensure that the electrical system operates safely and efficiently. In addition to its functional aspects, the crossarm also plays a role in the aesthetic appearance of power lines. While many people may not think about the visual impact of these structures, they are a part of the landscape in many rural and urban areas. Engineers and designers often consider how the crossarm will fit into the overall look of the area, balancing functionality with visual appeal. Furthermore, the installation and maintenance of crossarms require skilled labor and careful planning. Workers must be trained to install these components safely, ensuring that they are securely fastened and positioned correctly to support the weight of the wires. Regular inspections are also necessary to identify any signs of wear or damage, as a compromised crossarm can lead to serious safety hazards. As technology advances, there are ongoing discussions about the future of power line infrastructure, including the potential for new materials and designs for crossarms. Innovations such as composite materials could provide lighter and stronger options, which may reduce the overall weight on utility poles and improve durability. Additionally, smart technologies might be integrated into power line systems, allowing for real-time monitoring of the structural integrity of crossarms and other components. In conclusion, the crossarm is an integral part of electrical distribution systems, serving both functional and aesthetic purposes. Its role in supporting power lines and ensuring safe transmission of electricity cannot be overstated. As we continue to innovate and improve our electrical infrastructure, understanding components like the crossarm will be essential for engineers, technicians, and anyone involved in the energy sector. Whether you are a student, a professional, or simply a curious individual, taking the time to learn about the crossarm can deepen your appreciation for the complex systems that power our modern world.

在电气工程领域，术语crossarm指的是用于电力线建设的一个关键组件。crossarm通常是一个水平结构，安装在公用事业杆上，目的在于支撑传输电力的电缆，确保电力在长距离内的传输。理解crossarm的作用对于任何有兴趣了解电气系统如何运行和维护的人来说都是至关重要的。 crossarm的设计可以根据安装的具体要求而有所不同。例如，典型的木质crossarm通常由耐用的木材制成，能够承受恶劣的天气条件。相比之下，金属crossarm也很常见，特别是在高风荷载或其他环境因素需要额外强度的地区。木材和金属之间的选择往往取决于地理位置和当地气候所带来的具体挑战。 crossarm最重要的作用之一是保持导体之间的适当间距。这种间距对于防止电弧现象至关重要，因为电弧可能导致停电甚至电网的灾难性故障。通过为电缆提供一个稳定的平台，crossarm有助于确保电气系统安全高效地运行。 除了功能方面，crossarm在电力线的美观外观中也扮演着角色。虽然许多人可能不会考虑这些结构的视觉影响，但它们是许多农村和城市地区景观的一部分。工程师和设计师经常考虑crossarm将如何融入该地区的整体外观，在功能性和视觉吸引力之间取得平衡。 此外，crossarm的安装和维护需要熟练的劳动和仔细的规划。工人必须接受培训，以安全地安装这些组件，确保它们牢固固定并正确定位，以支撑电缆的重量。定期检查也是必要的，以识别任何磨损或损坏的迹象，因为受损的crossarm可能导致严重的安全隐患。 随着技术的进步，关于电力线基础设施未来的讨论仍在继续，包括对crossarm的新材料和设计的潜在需求。复合材料等创新可能提供更轻、更强的选择，从而减少对公用事业杆的整体重量，并提高耐用性。此外，智能技术可能会被集成到电力线系统中，允许实时监控crossarm和其他组件的结构完整性。 总之，crossarm是电气分配系统不可或缺的一部分，既具有功能性又具有美观性。它在支撑电力线和确保安全电力传输方面的作用不容小觑。随着我们继续创新和改善电力基础设施，了解像crossarm这样的组件对工程师、技术人员以及任何涉足能源行业的人来说都是至关重要的。无论你是学生、专业人士还是单纯的好奇者，花时间学习crossarm可以加深你对推动现代社会运转的复杂系统的欣赏。