jack screw

简明释义

螺旋起重器

英英释义

例句

1.During the assembly, make sure to align the jack screw properly.

在组装过程中，确保正确对齐千斤顶螺丝。

2.The mechanic used a jack screw to lift the car for repairs.

机械师使用千斤顶螺丝将汽车抬起进行维修。

3.To adjust the height of the table, we need to turn the jack screw clockwise.

要调整桌子的高度，我们需要顺时针旋转千斤顶螺丝。

4.The jack screw is essential for stabilizing heavy equipment on construction sites.

在建筑工地上，千斤顶螺丝对于稳定重型设备至关重要。

5.He carefully tightened the jack screw to secure the load.

他小心翼翼地拧紧千斤顶螺丝以固定负载。

作文

The term jack screw refers to a type of mechanical device used to lift heavy loads or apply pressure. It operates based on the principle of a screw mechanism, which converts rotational motion into linear motion. The jack screw is commonly found in various applications, ranging from automotive repair to construction and machinery maintenance. Its design typically consists of a threaded rod and a movable component that can be adjusted to raise or lower objects with precision.In the automotive industry, for instance, a jack screw is an essential tool for lifting vehicles off the ground. Mechanics often use it to change tires or perform undercarriage repairs. By turning the handle of the jack screw, the mechanic can elevate the car safely, allowing for easier access to the components underneath. This tool is favored for its simplicity and effectiveness, making it a staple in garages worldwide.Furthermore, the jack screw plays a crucial role in construction. When erecting structures, builders often need to lift heavy beams or panels into place. The use of a jack screw allows for precise adjustments, ensuring that everything aligns perfectly. It provides stability during the construction process, as it can hold significant weight without collapsing. This reliability is vital in creating safe and durable buildings.The versatility of the jack screw extends beyond just lifting. It is also used in applications where controlled pressure is necessary. For example, in machinery, a jack screw may be employed to secure components tightly together, preventing unwanted movement. This feature is particularly important in manufacturing processes where precision is critical. The ability to apply consistent pressure helps maintain the integrity of the assembly, reducing the risk of failure.In addition to its practical applications, the jack screw is an excellent example of simple yet effective engineering. Its design has evolved over the years, but the fundamental principle remains the same. Understanding how a jack screw works can provide insights into other mechanical systems that utilize similar concepts, such as levers and pulleys. This knowledge is beneficial not only for professionals in the field but also for students studying engineering and physics.In conclusion, the jack screw is a remarkable tool that embodies the principles of mechanics and engineering. Its ability to lift heavy loads, apply pressure, and provide stability makes it invaluable in various industries. Whether in a garage, on a construction site, or in a manufacturing plant, the jack screw demonstrates the importance of innovation in solving practical problems. As technology continues to advance, the jack screw will likely remain a fundamental tool, showcasing the enduring relevance of traditional mechanical devices in our modern world.

“jack screw”指的是一种用于提升重物或施加压力的机械装置。它基于螺旋机制的原理，能够将旋转运动转换为线性运动。“jack screw”通常出现在各种应用中，从汽车维修到建筑和机械维护。其设计通常由一个带螺纹的杆和一个可移动的组件组成，可以调节以精确地抬高或降低物体。例如，在汽车行业中，“jack screw”是提升车辆离地的重要工具。机械师经常使用它来更换轮胎或进行底盘维修。通过转动“jack screw”的手柄，机械师可以安全地抬起汽车，从而更方便地接触到下面的部件。这种工具因其简单有效而受到青睐，成为全球车库中的必备工具。此外，“jack screw”在建筑中也扮演着重要角色。在建造结构时，建筑工人经常需要将重型梁或面板抬到位。使用“jack screw”可以进行精确的调整，确保一切完美对齐。在施工过程中，它提供了稳定性，因为它可以承受相当大的重量而不坍塌。这种可靠性对于创建安全耐用的建筑至关重要。“jack screw”的多功能性不仅限于提升。它还用于需要控制压力的应用中。例如，在机械中，“jack screw”可能被用来紧固组件，防止不必要的移动。这一特性在制造过程中尤为重要，因为精度至关重要。施加一致压力的能力有助于保持组装的完整性，减少故障的风险。除了实用应用外，“jack screw”也是简单而有效的工程学的优秀示例。其设计经过多年的演变，但基本原理始终保持不变。理解“jack screw”的工作原理可以为其他利用类似概念的机械系统提供见解，例如杠杆和滑轮。这种知识不仅对该领域的专业人士有益，对于学习工程和物理的学生也是如此。总之，“jack screw”是一种杰出的工具，体现了机械和工程的原理。它提升重物、施加压力和提供稳定性的能力使其在各个行业中不可或缺。无论是在车库、建筑工地还是制造厂，“jack screw”都展示了创新在解决实际问题中的重要性。随着技术的不断进步，“jack screw”可能仍将是一种基本工具，展示传统机械设备在现代世界中的持久相关性。