cheek block
简明释义
单面滑车
英英释义
A cheek block is a type of pulley used in sailing and rigging, typically mounted on the side of a boat to guide and manage ropes or lines. | 颊块是一种用于航海和索具的滑轮,通常安装在船的侧面,用于引导和管理绳索或缆绳。 |
例句
1.He installed a new cheek block on the mast to improve efficiency.
他在桅杆上安装了一个新的cheek block以提高效率。
2.During the rigging process, he noticed the cheek block was worn out and needed replacement.
在装配过程中,他注意到cheek block磨损严重,需要更换。
3.The cheek block helps to guide the rope smoothly around corners.
cheek block有助于将绳索顺畅地引导过弯角。
4.In sailing, the positioning of the cheek block can significantly affect performance.
在航行中,cheek block的位置会显著影响性能。
5.The sailor adjusted the cheek block to ensure the sail was properly trimmed.
水手调整了cheek block以确保帆的修整得当。
作文
In the world of sailing and rigging, various terms are used to describe the equipment and mechanisms that help sailors manage their sails effectively. One such term is cheek block, which refers to a type of pulley that is mounted on a flat surface, typically with two cheeks or sides that hold the sheave in place. The cheek block is an essential component in the rigging system as it helps in guiding the ropes and reducing friction when hoisting sails or adjusting their positions. Understanding the function and importance of the cheek block can significantly enhance a sailor's ability to maneuver their vessel efficiently.The design of a cheek block is quite simple yet effective. It usually consists of a durable material, such as stainless steel or plastic, which can withstand the harsh marine environment. The sheave, or wheel, inside the cheek block allows the line to run smoothly, which is crucial when adjusting sails under pressure. Sailors often use multiple cheek blocks in their rigging systems to create a series of pulleys that can multiply the force applied to the lines, making it easier to handle large sails.One of the most common applications of the cheek block is in the setup of a sailboat's mainsail. When a sailor wants to raise the mainsail, they will pull on the halyard, which runs through the cheek block. This setup allows for a more efficient transfer of energy, as the cheek block reduces the friction that would otherwise slow down the raising process. Furthermore, by using a cheek block, sailors can make precise adjustments to the tension of the sail, which is vital for optimal performance.Moreover, the cheek block plays a significant role in safety during sailing. In situations where quick adjustments are necessary, having a well-placed cheek block can mean the difference between maintaining control of the sail and losing it altogether. For instance, if a sudden gust of wind occurs, a sailor can quickly release the sail's tension using the cheek block, allowing the sail to depower and reduce the risk of capsizing.In addition to its practical uses, the cheek block also serves as a reminder of the intricate relationship between technology and nature in sailing. Each component, including the cheek block, must work harmoniously to ensure a safe and enjoyable experience on the water. As sailors learn to appreciate these components, they develop a deeper understanding of the mechanics behind sailing, which can lead to improved skills and confidence.In conclusion, the cheek block is a fundamental part of sailing equipment that aids in the effective management of sails. Its design and functionality highlight the importance of reducing friction and allowing for smooth operation of ropes. By mastering the use of the cheek block, sailors can enhance their sailing experience, ensuring both safety and efficiency while navigating the open waters. Understanding such terms not only enriches a sailor's vocabulary but also deepens their appreciation for the art and science of sailing.
在航海和索具的世界中,使用各种术语来描述帮助水手有效管理帆的设备和机制。其中一个术语是cheek block,指的是一种安装在平面上的滑轮,通常有两个侧面或边缘,用于固定轮轴。cheek block是索具系统中的一个重要组成部分,因为它有助于引导绳索并减少升帆或调整位置时的摩擦。理解cheek block的功能和重要性可以显著提高水手高效操控船只的能力。cheek block的设计相当简单但有效。它通常由耐用材料制成,例如不锈钢或塑料,能够承受恶劣的海洋环境。cheek block内部的轮子或滑轮使绳索顺畅运行,这在调整受压帆时至关重要。水手通常在他们的索具系统中使用多个cheek blocks,以创建一系列滑轮,从而倍增施加在绳索上的力量,使处理大型帆变得更加容易。cheek block最常见的应用之一是在帆船主帆的设置中。当水手想要升起主帆时,他们会拉动通过cheek block运行的帆索。这种设置允许能量更有效地转移,因为cheek block减少了否则会减慢升起过程的摩擦。此外,通过使用cheek block,水手可以精确调整帆的张力,这对于最佳性能至关重要。此外,cheek block在航海安全中也发挥着重要作用。在需要快速调整的情况下,适当放置的cheek block可能意味着保持帆的控制与完全失控之间的区别。例如,如果突然出现强风,水手可以迅速使用cheek block释放帆的张力,从而使帆失去动力,降低翻船的风险。除了其实际用途外,cheek block还提醒我们航海中技术与自然之间错综复杂的关系。每个组件,包括cheek block,都必须和谐工作,以确保在水上安全愉快的体验。随着水手逐渐欣赏这些组件,他们对航海背后的机械原理有了更深刻的理解,这可以提高他们的技能和信心。总之,cheek block是航海设备的基本部分,有助于有效管理帆。它的设计和功能突出了减少摩擦和允许绳索顺畅操作的重要性。通过掌握cheek block的使用,水手可以提升他们的航海体验,确保在开放水域航行时的安全和效率。理解这样的术语不仅丰富了水手的词汇,还加深了他们对航海艺术和科学的欣赏。