a hoist

简明释义

一挂

英英释义

例句

1.The shipyard has a hoist that can lift large boats out of the water for maintenance.

造船厂有升降机可以将大型船只从水中吊起进行维护。

2.The mechanic employed a hoist to raise the car for easier access to the undercarriage.

机械师使用升降机将汽车抬高，以便更容易接触底盘。

3.In the warehouse, they installed a hoist to move boxes from the ground to the shelves.

在仓库里，他们安装了升降机来将箱子从地面移动到货架上。

4.During the event setup, we needed a hoist to hang decorations from the ceiling.

在活动布置期间，我们需要升降机将装饰物悬挂在天花板上。

5.The construction workers used a hoist to lift heavy materials to the top of the building.

建筑工人使用升降机将重物提升到建筑物的顶部。

作文

In the world of construction and heavy lifting, the term a hoist refers to a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. This equipment is essential in various industries, including construction, manufacturing, and shipping, where heavy materials need to be moved safely and efficiently. Understanding how a hoist operates can greatly enhance workplace safety and productivity.A typical a hoist consists of several key components: the lifting mechanism, the power source, and the control system. The lifting mechanism usually involves a pulley system that allows for the smooth movement of loads. The power source can be manual, electric, or pneumatic, depending on the specific application and the weight of the load being lifted. The control system enables the operator to manage the lifting process, ensuring that the load is raised or lowered precisely and safely.One of the most common types of a hoist is the electric hoist, which uses an electric motor to lift heavy objects. This type of hoist is particularly advantageous because it reduces the physical strain on workers and increases efficiency. Electric hoists are often used in warehouses and factories where heavy items must be moved frequently. In contrast, manual hoists require physical effort to operate and are typically used for lighter loads or in situations where electricity is not available.Safety is paramount when using a hoist. Operators must be trained to understand the limitations of the equipment, including its maximum load capacity. Overloading a hoist can lead to catastrophic failures, resulting in injuries or even fatalities. Regular maintenance checks are also crucial to ensure that all components of the hoist are functioning properly. This includes inspecting the ropes or chains for wear and tear, checking the motor for any signs of malfunction, and ensuring that the control systems are responsive.In addition to safety training, it is vital for workers to communicate effectively while operating a hoist. Clear signals should be established among team members to coordinate the lifting process. This communication helps prevent accidents and ensures that everyone involved is aware of the movements being made. For instance, one person may be designated as the signaler, who communicates with the operator to indicate when to lift or lower the load.The versatility of a hoist makes it an invaluable tool in many sectors. In construction, for example, hoists are used to lift building materials such as steel beams, bricks, and concrete blocks. In the shipping industry, they are employed to load and unload cargo from ships, making the process faster and safer. Furthermore, in manufacturing, hoists assist in moving parts along assembly lines, thereby streamlining production processes.In conclusion, a hoist is more than just a piece of equipment; it is a crucial element in the safe and efficient movement of heavy loads across various industries. By understanding its components, adhering to safety protocols, and fostering effective communication among team members, workplaces can maximize the benefits of this powerful tool. As industries continue to evolve, the role of a hoist will undoubtedly remain significant, adapting to new technologies and methods for lifting and transporting materials.

在建筑和重物搬运的世界中，术语a hoist指的是一种通过鼓或提升轮升降负载的设备。这种设备在建筑、制造和运输等各个行业中都是必不可少的，重型材料需要安全高效地移动。理解a hoist的操作方式可以大大提高工作场所的安全性和生产力。一个典型的a hoist由几个关键组件组成：提升机制、动力源和控制系统。提升机制通常涉及一个滑轮系统，允许负载平稳移动。动力源可以是手动、电动或气动，具体取决于特定应用和被提升负载的重量。控制系统使操作员能够管理提升过程，确保负载精确、安全地升降。最常见的a hoist类型之一是电动提升机，它使用电动机来提升重物。这种类型的提升机特别有利，因为它减少了工人的身体负担并提高了效率。电动提升机通常用于仓库和工厂，在这些地方重物必须频繁移动。相比之下，手动提升机需要身体力量来操作，通常用于较轻的负载或在没有电力的情况下。在使用a hoist时，安全至关重要。操作员必须接受培训，以了解设备的限制，包括其最大负载能力。超载a hoist可能导致灾难性的故障，造成伤害甚至死亡。定期维护检查也至关重要，以确保提升机的所有组件正常工作。这包括检查绳索或链条的磨损情况，检查电动机是否有故障迹象，并确保控制系统反应灵敏。除了安全培训外，工人在操作提升机时有效沟通也至关重要。应在团队成员之间建立清晰的信号，以协调提升过程。这种沟通有助于防止事故，并确保所有参与者都意识到正在进行的动作。例如，可以指定一个人作为信号员，与操作员沟通何时提升或降低负载。a hoist的多功能性使其成为许多行业中不可或缺的工具。例如，在建筑行业，提升机用于提升建筑材料，如钢梁、砖块和混凝土块。在运输行业，它们用于装卸船舶上的货物，从而加快了这一过程并提高了安全性。此外，在制造业中，提升机有助于在装配线上移动零件，从而简化生产流程。总之，a hoist不仅仅是一种设备；它是在各个行业中安全高效移动重物的重要元素。通过理解其组件、遵循安全协议以及促进团队成员之间的有效沟通，工作场所可以最大限度地发挥这一强大工具的优势。随着行业的不断发展，a hoist的角色无疑将保持重要性，适应新的技术和提升运输材料的方法。