jackscrew

简明释义

英[ˈdʒækˌskruː]美[ˈdʒækˌskrʊ]

n. 螺旋起重机；起重螺旋；顶丝

英英释义

单词用法

同义词

反义词

例句

1.Ball nut, a fixed spherical nut driven by the jackscrew for flap and stabilizer movement.

球形螺母，由顶头螺钉驱动的固定球形螺母，用于翻板和稳定器运动。

2.Ball nut, a fixed spherical nut driven by the jackscrew for flap and stabilizer movement.

球形螺母，由顶头螺钉驱动的固定球形螺母，用于翻板和稳定器运动。

3.The jackscrew mechanism allows for precise adjustments in the equipment.

千斤顶螺丝机制允许对设备进行精确调整。

4.He carefully tightened the jackscrew to secure the structure in place.

他小心翼翼地拧紧了千斤顶螺丝以固定结构。

5.The technician used a jackscrew to lift the heavy machinery for repair.

技术员使用千斤顶螺丝将重型机械抬起进行维修。

6.During the installation, we needed a jackscrew to adjust the height of the platform.

在安装过程中，我们需要一个千斤顶螺丝来调整平台的高度。

7.In the workshop, we have several jackscrews for various lifting tasks.

在车间，我们有几个千斤顶螺丝用于各种提升任务。

作文

The jackscrew is a vital mechanical device that plays an important role in various applications, especially in the fields of engineering and construction. A jackscrew, or in some contexts referred to as a screw jack, is used to lift heavy loads with precision and control. The design of a jackscrew is quite simple yet effective; it consists of a threaded rod and a base, allowing for significant lifting power with minimal effort. This mechanism works on the principle of converting rotational motion into linear motion, which is fundamental in many lifting operations.In the construction industry, the jackscrew is often employed to support structures temporarily during the building process. For example, when erecting steel beams, workers use jackscrews to hold the beams in place until they can be permanently secured. This ensures safety and stability while the construction progresses. Additionally, jackscrews are also used in automotive repair shops to lift vehicles for maintenance and inspection. The ability to adjust the height precisely makes them an invaluable tool for mechanics.Moreover, the versatility of the jackscrew extends beyond construction and automotive industries. In aviation, for instance, jackscrews are utilized in landing gear mechanisms. They provide the necessary lift and retraction capabilities, ensuring that aircraft can safely take off and land. The reliability of a well-designed jackscrew is crucial in these high-stakes environments where safety is paramount.Understanding how a jackscrew functions is essential for those working in relevant fields. The basic operation involves turning the handle, which rotates the threaded rod. As the rod turns, it moves up or down depending on the direction of the rotation. This movement raises or lowers the load attached to the jackscrew, making it easier to position heavy objects accurately. The mechanical advantage provided by the threads allows for lifting weights that would otherwise be impossible to move manually.In addition to their practical applications, jackscrews also serve as excellent teaching tools in physics and engineering classes. Students can learn about concepts such as torque, force, and mechanical advantage through hands-on experience with jackscrews. By manipulating these devices, learners can visualize and understand the principles of mechanics in a tangible way.In conclusion, the jackscrew is more than just a simple tool; it is a fundamental component that enhances efficiency and safety across various industries. Its ability to lift heavy loads with ease makes it indispensable in construction, automotive, aviation, and even educational settings. As technology continues to advance, the design and application of the jackscrew will likely evolve, but its core function of providing mechanical advantage will remain a key aspect of its utility. Understanding the significance of a jackscrew not only highlights its importance in practical applications but also emphasizes the ingenuity behind mechanical engineering as a whole.

千斤顶螺丝是一个重要的机械装置，在各个应用领域，尤其是在工程和建筑领域，发挥着重要作用。千斤顶螺丝，或在某些情况下称为螺丝千斤顶，用于精确控制地提升重物。千斤顶螺丝的设计相当简单但有效；它由一个带螺纹的杆和一个底座组成，允许以最小的努力产生显著的提升力量。该机制基于将旋转运动转化为线性运动的原理，这在许多提升操作中都是基础。在建筑行业中，千斤顶螺丝通常被用来在建筑过程中暂时支撑结构。例如，在架设钢梁时，工人使用千斤顶螺丝将梁固定在位，直到它们可以永久固定。这确保了在施工进展期间的安全和稳定。此外，千斤顶螺丝还被汽车维修店用于抬升车辆以进行维护和检查。能够精确调整高度使它们成为机械师不可或缺的工具。此外，千斤顶螺丝的多功能性超越了建筑和汽车行业。在航空领域，例如，千斤顶螺丝被用于起落架机制。它们提供必要的升降和收回能力，确保飞机能够安全起飞和着陆。设计良好的千斤顶螺丝的可靠性在这些高风险环境中至关重要，安全是首要任务。理解千斤顶螺丝的工作原理对于相关领域的从业人员至关重要。基本操作涉及转动手柄，旋转带螺纹的杆。随着杆的转动，负载根据旋转方向向上或向下移动。这种运动提升或降低附加到千斤顶螺丝上的负载，使其更容易准确定位重物。螺纹提供的机械优势允许提升那些否则无法手动移动的重量。除了实际应用外，千斤顶螺丝还作为物理和工程课程中的优秀教学工具。学生可以通过亲身体验千斤顶螺丝学习扭矩、力和机械优势等概念。通过操控这些设备，学习者可以以直观的方式可视化并理解机械原理。总之，千斤顶螺丝不仅仅是一个简单的工具；它是一个基本组件，在各个行业提高效率和安全性。它轻松提升重物的能力使其在建筑、汽车、航空甚至教育环境中不可或缺。随着技术的不断进步，千斤顶螺丝的设计和应用可能会演变，但其提供机械优势的核心功能将始终是其效用的关键方面。理解千斤顶螺丝的重要性不仅突显了它在实际应用中的重要性，还强调了机械工程整体背后的独创性。