gear wheel

简明释义

大齿轮

英英释义

例句

1.When the gear wheel is damaged, the entire machine may stop working.

当齿轮损坏时，整台机器可能会停止工作。

2.He adjusted the tension on the gear wheel to improve performance.

他调整了齿轮的张力以提高性能。

3.They designed a new gear wheel to increase efficiency in the engine.

他们设计了一种新齿轮以提高发动机效率。

4.The gear wheel in the clock was not functioning properly.

钟表中的齿轮运转不正常。

5.The mechanic replaced the broken gear wheel with a new one.

技师用新的齿轮替换了坏掉的。

作文

The mechanical world is filled with fascinating components that work together to create motion and function. One of the most essential elements in machinery is the gear wheel, which plays a crucial role in transferring power and adjusting speed. A gear wheel (齿轮) is a circular mechanical device with teeth that mesh with another gear to transmit torque and rotational motion. This simple yet ingenious design has been utilized in countless applications, from clocks to automobiles. In essence, a gear wheel operates on the principle of rotational movement. When one gear wheel turns, its teeth engage with those of another, causing both to rotate. This interaction allows for the multiplication of force or speed, depending on the size and number of teeth on each gear. For instance, if a smaller gear wheel drives a larger one, the larger gear will turn more slowly than the smaller one, but it will exert greater force. This relationship is fundamental in many machines, where precise control over speed and torque is necessary.The versatility of gear wheels is evident in various industries. In the automotive sector, they are crucial for the transmission system, allowing vehicles to change speeds efficiently. The gears within an automobile enable smooth acceleration and deceleration, contributing to overall performance and safety. Similarly, in industrial machinery, gear wheels are employed to convert electric motor rotations into linear motion, facilitating the operation of conveyor belts, robotic arms, and other automated systems.Moreover, gear wheels are not limited to large machines; they are also found in everyday items. For example, watches utilize tiny gear wheels to keep accurate time. The intricate arrangement of these miniature gears demonstrates the precision engineering involved in horology. Each gear wheel must be perfectly calibrated to ensure that the watch functions accurately, highlighting the importance of quality in manufacturing.Understanding the significance of gear wheels extends beyond their mechanical function; it also encompasses their role in innovation and technology. As engineers continue to design more complex systems, the evolution of gear wheels has led to the creation of specialized types, such as bevel gears, worm gears, and planetary gears. Each type serves a unique purpose, allowing for greater flexibility and efficiency in machine design.In conclusion, the gear wheel (齿轮) is a fundamental component in the realm of mechanics, playing a vital role in the functionality of countless devices. Its ability to transfer power and adjust speed makes it indispensable in various applications, from automotive engineering to precision instruments. As technology advances, the importance of gear wheels will only continue to grow, driving innovation and improving the efficiency of machines across all industries.