planetary gear

简明释义

行星齿轮行星减速齿轮传动装置

英英释义

例句

1.The new electric bike features a highly efficient planetary gear 行星齿轮 system that allows for smooth shifting.

这款新型电动自行车配备了高效的行星齿轮系统，使换挡更加平滑。

2.In automotive engineering, a planetary gear 行星齿轮 set is often used in automatic transmissions.

在汽车工程中，行星齿轮组常用于自动变速器。

3.Mechanical watches commonly utilize a planetary gear 行星齿轮 mechanism for precise timekeeping.

机械表通常使用行星齿轮机制来确保精确计时。

4.The design of the robot arm incorporates a planetary gear 行星齿轮 system to enhance torque.

机器人手臂的设计采用了行星齿轮系统，以增强扭矩。

5.Using a planetary gear 行星齿轮 setup can significantly reduce the size of a gearbox.

使用行星齿轮配置可以显著减小齿轮箱的尺寸。

作文

In the realm of mechanical engineering, the term planetary gear refers to a specific type of gear system that is widely used in various applications due to its efficiency and compact design. A planetary gear system consists of one or more outer gears, known as planet gears, that revolve around a central gear called the sun gear. The arrangement allows for a significant reduction in size while providing a high torque output, making it an ideal choice for many modern machinery and vehicles.The basic structure of a planetary gear system includes three main components: the sun gear, the planet gears, and the ring gear. The sun gear is located at the center and is usually driven by a motor or another power source. Surrounding the sun gear are the planet gears, which are mounted on a movable arm called the planet carrier. These planet gears mesh with both the sun gear and the inner surface of the ring gear, which encircles the planet gears. This configuration allows the planet gears to rotate around the sun gear while also spinning on their own axes.One of the key advantages of using a planetary gear system is its ability to distribute load evenly among the gears, which enhances durability and reduces wear over time. This characteristic is particularly beneficial in applications where high torque and reliability are essential, such as in automotive transmissions, robotics, and aerospace systems. Furthermore, the compact nature of the planetary gear system allows for a more efficient use of space, enabling engineers to design smaller and lighter machines without compromising performance.In addition to its mechanical advantages, the planetary gear system also offers versatility in terms of gear ratios. By adjusting the number of teeth on the sun, planet, and ring gears, engineers can create a wide range of gear ratios that can be tailored to specific needs. This flexibility makes the planetary gear system suitable for various applications, from simple devices to complex machinery.However, despite its numerous benefits, the planetary gear system is not without its challenges. The complexity of the design can lead to difficulties in manufacturing and assembly, requiring precise engineering and quality control to ensure optimal performance. Additionally, the lubrication of the gears is crucial to prevent overheating and maintain efficiency, which necessitates careful consideration in the design process.In conclusion, the planetary gear system is a remarkable innovation in mechanical engineering that has transformed the way we approach gear design and functionality. Its unique structure, combined with the ability to handle high loads and provide versatile gear ratios, makes it an indispensable component in many modern technologies. As engineers continue to explore new applications and improve the efficiency of planetary gear systems, we can expect to see even more advancements in this field that will enhance the performance of machines and vehicles in the future.

在机械工程领域，短语行星齿轮指的是一种特定类型的齿轮系统，由于其高效和紧凑的设计而被广泛应用。行星齿轮系统由一个或多个外部齿轮（称为行星齿轮）组成，这些齿轮围绕一个称为太阳齿轮的中心齿轮旋转。这种排列使得在提供高扭矩输出的同时显著减少尺寸，成为许多现代机械和车辆的理想选择。一个行星齿轮系统的基本结构包括三个主要组件：太阳齿轮、行星齿轮和环形齿轮。太阳齿轮位于中心，通常由电动机或其他动力源驱动。环绕太阳齿轮的是行星齿轮，这些齿轮安装在一个称为行星架的可移动臂上。这些行星齿轮与太阳齿轮和环齿轮的内表面啮合，使得行星齿轮在围绕太阳齿轮旋转的同时，也能自转。使用行星齿轮系统的一个主要优点是其能够在齿轮之间均匀分配负载，从而提高耐用性并减少磨损。这一特性在需要高扭矩和可靠性的应用中尤为重要，例如汽车变速器、机器人和航空航天系统。此外，行星齿轮系统的紧凑性使得空间利用更加高效，使工程师能够设计出更小、更轻的机器，而不牺牲性能。除了机械优势之外，行星齿轮系统在齿轮比方面也提供了多样性。通过调整太阳齿轮、行星齿轮和环齿轮上的齿数，工程师可以创建一系列可以根据特定需求量身定制的齿轮比。这种灵活性使得行星齿轮系统适用于从简单设备到复杂机械的各种应用。然而，尽管有许多好处，行星齿轮系统并非没有挑战。设计的复杂性可能导致制造和组装中的困难，需要精确的工程和质量控制，以确保最佳性能。此外，齿轮的润滑对于防止过热和维持效率至关重要，这在设计过程中需要仔细考虑。总之，行星齿轮系统是机械工程中的一项卓越创新，已经改变了我们对齿轮设计和功能的看法。其独特的结构，加上处理高负载和提供多样化齿轮比的能力，使其成为许多现代技术中不可或缺的组件。随着工程师不断探索新的应用并提高行星齿轮系统的效率，我们可以期待在这一领域看到更多的进展，从而提升未来机器和车辆的性能。