luffing derrick

简明释义

俯仰式吊杆

英英释义

例句

1.Using a luffing derrick allows for better maneuverability in tight spaces on construction sites.

使用摆动式起重机可以在建筑工地的狭小空间内提供更好的灵活性。

2.The crane operator adjusted the angle of the luffing derrick to lift the heavy steel beams safely.

起重机操作员调整了摆动式起重机的角度，以安全地提升重型钢梁。

3.During the project, we relied heavily on the luffing derrick for lifting materials to the upper floors.

在项目期间，我们非常依赖摆动式起重机将材料提升到上层。

4.The construction team trained extensively on how to operate the luffing derrick efficiently.

施工团队进行了广泛的培训，以高效操作摆动式起重机。

5.The luffing derrick is ideal for urban construction due to its ability to work close to buildings.

由于其能够靠近建筑物工作，摆动式起重机非常适合城市建设。

作文

The construction industry is filled with various types of equipment that are crucial for the successful completion of projects. One of the most interesting pieces of machinery is the luffing derrick, which plays a significant role in lifting and moving heavy materials on construction sites. A luffing derrick (翻转式起重机) is a type of crane that has a unique ability to adjust its boom angle, allowing for greater flexibility in operations. This feature makes it particularly useful in confined spaces where traditional cranes may struggle. The design of a luffing derrick consists of a vertical mast and a boom that can be raised or lowered at various angles. This capability is especially advantageous when working on tall buildings or structures, as it allows the operator to position the load precisely without needing to move the entire crane. The luffing motion helps in minimizing the swing of the load, which enhances safety and efficiency during lifting operations.In urban environments, where space is often limited, the luffing derrick becomes an essential tool. Its compact design and ability to operate in tight quarters make it ideal for construction sites surrounded by other buildings. For instance, when constructing skyscrapers, the luffing derrick can maneuver materials upwards with ease, ensuring that there is minimal disruption to the surrounding area. This is a stark contrast to larger cranes, which require more space to operate effectively.Moreover, the versatility of a luffing derrick extends beyond just lifting materials. It can also be used for various tasks such as positioning steel beams, hoisting concrete panels, and even assisting in the installation of heavy machinery. The adaptability of this equipment makes it a valuable asset for contractors who need to complete projects efficiently and safely.Training operators to use a luffing derrick is crucial, as the unique mechanics of this crane require specialized skills. Operators must understand how to control the boom's angle and the load's movement to prevent accidents. Safety regulations dictate that all personnel involved in operating cranes must undergo rigorous training and certification processes to ensure they can handle the equipment responsibly.In conclusion, the luffing derrick (翻转式起重机) is an indispensable piece of equipment in modern construction. Its ability to adapt to various situations while maintaining high levels of safety and efficiency sets it apart from other cranes. As urbanization continues to rise, the demand for such innovative machinery will only increase, making the luffing derrick a staple in the construction industry for years to come.