crab derrick

简明释义

移动式吊杆架

英英释义

例句

1.Safety protocols must be followed when operating a crab derrick to prevent accidents.

在操作蟹式起重机时必须遵循安全规程，以防止事故发生。

2.The operator skillfully maneuvered the crab derrick to lift the steel beams.

操作员熟练地操控着蟹式起重机来提升钢梁。

3.The construction site used a crab derrick to lift heavy materials to the upper floors.

施工现场使用了一个蟹式起重机将重物提升到上层。

4.A crab derrick is essential for moving large loads in tight spaces.

在狭小空间内移动大件货物时，蟹式起重机是必不可少的。

5.During the maintenance work, the engineers relied on a crab derrick to position the equipment safely.

在维护工作中，工程师们依靠一个蟹式起重机安全地放置设备。

作文

The construction industry relies heavily on various types of equipment to ensure that projects are completed efficiently and safely. One crucial piece of machinery used in this field is the crab derrick, which serves as a versatile lifting device. Understanding the functionality and applications of the crab derrick can greatly enhance our appreciation for modern engineering techniques.A crab derrick is a type of crane characterized by its unique design, which includes a horizontal beam with a lifting mechanism that moves along it. This allows for a wide range of motion and flexibility when lifting heavy loads. The term 'crab' refers to the trolley-like movement of the lifting mechanism, resembling the sideways movement of a crab. This design enables the crab derrick to operate in tight spaces, making it ideal for urban construction sites where space is often limited.One of the primary advantages of using a crab derrick is its ability to lift and lower materials with precision. In many construction projects, accuracy is paramount, especially when placing heavy components such as beams or pre-fabricated structures. The crab derrick can be operated by a skilled operator who can control the movements with great care, ensuring that each load is positioned correctly.Additionally, the crab derrick is often used in conjunction with other lifting equipment, such as hoists and winches. This combination allows for even greater efficiency in moving materials around a job site. For example, while the crab derrick lifts a heavy load, a hoist can be used to pull materials into position, reducing the amount of time workers spend on manual labor.The versatility of the crab derrick extends beyond just construction. It is also commonly used in shipyards, warehouses, and manufacturing facilities. In these settings, the crab derrick aids in the loading and unloading of goods, as well as the assembly of large machinery. Its ability to navigate confined spaces makes it an invaluable asset in environments where traditional cranes may not fit.Safety is another critical aspect of operating a crab derrick. Construction sites can be hazardous, and the proper use of lifting equipment is essential to prevent accidents. Operators must be trained to understand the limitations of the crab derrick and to follow safety protocols diligently. Regular maintenance checks are also necessary to ensure that the equipment remains in good working condition, minimizing the risk of mechanical failure during operation.In conclusion, the crab derrick is a vital tool in the construction industry and beyond. Its unique design, precision lifting capabilities, and versatility make it an essential piece of equipment for various applications. By understanding the role of the crab derrick in modern construction and manufacturing, we can better appreciate the advancements in technology that allow us to build safer and more efficient structures. As urban areas continue to grow and evolve, the importance of such machinery will only increase, highlighting the need for skilled operators and ongoing innovation in lifting technologies.

建筑行业在确保项目高效、安全完成方面严重依赖各种设备。其中一个关键的机械设备是crab derrick，它作为一种多功能的起重装置。在了解crab derrick的功能和应用时，可以大大增强我们对现代工程技术的欣赏。crab derrick是一种起重机，其特点是独特的设计，包括一个水平梁，带有沿其移动的起重机制。这使得在提升重物时具有广泛的运动范围和灵活性。术语“crab”指的是起重机制像小车一样的移动，类似于螃蟹的侧向移动。这种设计使得crab derrick能够在狭小的空间内操作，非常适合城市建筑工地，因为那里空间通常有限。使用crab derrick的主要优点之一是它能够精确地升降材料。在许多建筑项目中，准确性至关重要，尤其是在放置重型部件如梁或预制结构时。crab derrick可以由熟练的操作员操作，他们能够非常小心地控制运动，确保每个负载都被正确定位。此外，crab derrick通常与其他起重设备结合使用，如升降机和绞盘。这种组合可以在工地上更高效地移动材料。例如，当crab derrick提升重物时，升降机可以用来将材料拉入位置，从而减少工人在体力劳动上花费的时间。crab derrick的多功能性不仅限于建筑。它还常用于船厂、仓库和制造设施。在这些环境中，crab derrick帮助装卸货物，以及大型机械的组装。它在狭小空间中的导航能力使其成为传统起重机可能无法适应的环境中的宝贵资产。安全是操作crab derrick的另一个关键方面。建筑工地可能存在危险，正确使用起重设备对于防止事故至关重要。操作员必须经过培训，以了解crab derrick的限制，并严格遵循安全协议。定期维护检查也是必要的，以确保设备保持良好的工作状态，最大限度地降低操作过程中机械故障的风险。总之，crab derrick是建筑行业及其他行业的重要工具。其独特的设计、精确的提升能力和多功能性使其成为各种应用中不可或缺的设备。通过了解crab derrick在现代建筑和制造中的作用，我们可以更好地欣赏技术进步如何使我们能够建造更安全、更高效的结构。随着城市地区的不断发展和演变，此类机械的重要性只会增加，突显出对熟练操作员和起重技术持续创新的需求。