hand windlass

简明释义

杠杆起锚机

英英释义

例句

1.The crew used a hand windlass to hoist the anchor back on board.

船员们使用手动卷扬机将锚提回船上。

2.The fisherman employed a hand windlass to pull in his nets from the water.

渔夫使用手动卷扬机将渔网从水中拉上来。

3.During the storm, they relied on the hand windlass to secure the sails.

在暴风雨中，他们依靠手动卷扬机来固定帆。

4.In the old days, ships often featured a hand windlass for raising heavy loads.

在过去，船只通常配备手动卷扬机来提升重物。

5.The construction team utilized a hand windlass to lift materials to the upper floors.

建筑队使用手动卷扬机将材料提升到上层。

作文

The concept of a hand windlass is often overlooked in modern machinery, but it holds significant historical and practical importance. A hand windlass is a simple device used to lift or lower heavy loads with the help of a crank mechanism. This tool has been utilized in various applications, from maritime settings to construction sites, showcasing its versatility and reliability. Understanding how a hand windlass operates can provide insights into engineering principles and the evolution of lifting technologies.Historically, the hand windlass can be traced back to ancient civilizations that required efficient methods for moving heavy materials. For instance, during the construction of the Egyptian pyramids, laborers may have employed a hand windlass to hoist massive stone blocks into place. The design of the hand windlass typically includes a cylindrical drum around which a rope or chain is wound. As the user turns the crank, the drum rotates, winding the rope and lifting the load attached to it.In maritime contexts, a hand windlass is essential for anchoring and raising sails. Sailors rely on this device to manage the heavy anchors and secure their vessels. The manual operation of a hand windlass requires strength and coordination, making it a testament to human ingenuity in overcoming physical challenges. Additionally, the use of a hand windlass highlights the importance of teamwork, as multiple crew members often work together to operate the device efficiently.In modern times, while powered winches and cranes have largely replaced the hand windlass in many industries, it remains a valuable tool, especially in situations where electricity or fuel sources are unavailable. For example, in remote areas or during emergencies, a hand windlass can be a lifesaver, enabling individuals to lift heavy objects without the need for complex machinery. This simplicity and effectiveness make it an enduring choice for various applications.Moreover, the hand windlass serves as an excellent educational tool for understanding mechanical advantage and the principles of physics. By experimenting with a hand windlass, students can learn about torque, force, and the relationship between effort and load. Such hands-on experiences foster a deeper appreciation for engineering concepts and inspire future innovations.In conclusion, the hand windlass is more than just a relic of the past; it is a testament to human innovation and adaptability. Its enduring presence in various fields demonstrates its practicality and efficiency. Whether used in maritime operations, construction, or educational settings, the hand windlass continues to play a crucial role in lifting and managing heavy loads. By understanding and appreciating this simple yet effective device, we can gain insights into the evolution of technology and the fundamental principles that govern our world.

手摇绞盘的概念在现代机械中常常被忽视，但它具有重要的历史和实用意义。手摇绞盘是一种简单的装置，用于通过曲柄机制提升或降低重物。这种工具在各种应用中得到了利用，从海洋环境到建筑工地，展示了其多功能性和可靠性。理解手摇绞盘的操作方式可以提供对工程原理和提升技术演变的深入了解。历史上，手摇绞盘可以追溯到古代文明，它们需要有效的方法来移动重物。例如，在埃及金字塔的建造过程中，工人们可能使用手摇绞盘将巨大的石块提升到位。手摇绞盘的设计通常包括一个圆柱形的鼓，上面缠绕着绳索或链条。当用户转动曲柄时，鼓旋转，绳索缠绕并提升附着在其上的负载。在海洋环境中，手摇绞盘对于锚定和升起帆布至关重要。水手依靠这种装置来管理沉重的锚并固定他们的船只。手动操作手摇绞盘需要力量和协调，使其成为人类智慧克服身体挑战的证明。此外，手摇绞盘的使用突显了团队合作的重要性，因为多个船员通常共同努力高效地操作该装置。在现代，虽然电动卷扬机和起重机在许多行业中大大取代了手摇绞盘，但它仍然是一个有价值的工具，特别是在没有电力或燃料来源的情况下。例如，在偏远地区或紧急情况下，手摇绞盘可以拯救生命，使个人能够在不需要复杂机械的情况下提升重物。这种简单性和有效性使其在各种应用中成为持久的选择。此外，手摇绞盘作为理解机械优势和物理原理的优秀教育工具。通过实验手摇绞盘，学生可以学习扭矩、力以及努力与负载之间的关系。这种实践经验培养了对工程概念的更深刻理解，并激励未来的创新。总之，手摇绞盘不仅仅是过去的遗物；它是人类创新和适应能力的证明。它在各个领域的持续存在表明了其实用性和效率。无论是在海洋操作、建筑还是教育环境中，手摇绞盘继续在提升和管理重物方面发挥着关键作用。通过理解和欣赏这种简单而有效的装置，我们可以获得对技术演变和支配我们世界的基本原理的洞察。