pushrod

简明释义

英[/ˈpʊʃrɒd/]美[/ˈpʊʃrɒd/]

n. 推杆；顶杆

英英释义

单词用法

同义词

反义词

例句

1.YTD2 series single pushrod electric-hydraulic thrusters are mainly used in hoisting, transportation, metallurgy, mines, ports and civil constructions as driver of mechanism brake.

概述YTD2系列单推杆电力液压推动器，主要作为起重运输、冶金、矿山、港口、建筑等机械传动中作为机械制动用的驱动元件。

2.Get the gift when the pushrod pushes it out through the hole.

当推棒通过孔把这格的礼品推出，便可得到礼品。

3.Finally, the nose wheel pushrod is attached and all hook-ups are complete.

最后，前轮的两个附件和所有挂钩企业是完整的。

4.Finally, the nose wheel pushrod is attached and all hook-ups (except throttle) are complete.

最后，前轮的两个附件和所有挂钩企业(除油门)是完整的。

5.The pushrod is measured, bent and cut, then it is attached to the flap horn.

的的两个衡量，弯曲和剪切，然后它是附在皮瓣非洲之角。

6.The flaps have an unorthodox pushrod arrangement, but it was not nearly as difficult as I had originally thought it might be.

皮瓣有非正统的两个安排，但它并不像困难我原本以为它可能。

7.YTD2 series single pushrod electric-hydraulic thrusters are mainly used in hoisting, transportation, metallurgy, mines, ports and civil constructions as driver of mechanism brake.

概述YTD2系列单推杆电力液压推动器，主要作为起重运输、冶金、矿山、港口、建筑等机械传动中作为机械制动用的驱动元件。

8.Rudder offset is simply adjusted by the length of the pushrod.

鲁德尔抵消只是由推杆长度调整。

9.A faulty pushrod can lead to poor engine performance.

故障的推杆可能导致发动机性能不佳。

10.The design of the pushrod affects the overall performance of the vehicle.

推杆的设计影响车辆的整体性能。

11.The engine uses a pushrod to transfer motion from the camshaft to the valves.

发动机使用一个推杆将运动从凸轮轴传递到气门。

12.Replacing the pushrod is essential for restoring engine efficiency.

更换推杆对于恢复发动机效率至关重要。

13.During the inspection, we found that the pushrod was bent.

在检查过程中，我们发现推杆弯曲了。

作文

The mechanics of an automobile engine can be quite complex, but one crucial component that plays a significant role in its operation is the pushrod. A pushrod is a cylindrical rod used in internal combustion engines to transfer motion from the camshaft to the engine's valves. Understanding how a pushrod works can help us appreciate the intricate design of modern engines and their performance capabilities.In a typical overhead valve (OHV) engine, the pushrod serves as a connecting link between the camshaft, which is responsible for opening and closing the engine's intake and exhaust valves, and the valves themselves. When the camshaft rotates, it pushes against the pushrod, which in turn pushes the rocker arm. This action causes the rocker arm to pivot and either open or close the valve. The precise timing of this process is essential for the engine to function efficiently, allowing air and fuel to enter the combustion chamber and exhaust gases to exit.The design of the pushrod has evolved over the years, with various materials and shapes being used to enhance performance and durability. Traditionally, pushrods were made of steel, but advancements in technology have led to the use of lightweight materials such as aluminum and composite materials. These innovations help reduce the overall weight of the engine while maintaining strength and reliability.One of the advantages of using a pushrod system is its simplicity. Compared to overhead cam (OHC) designs, which require more complex mechanisms to operate the valves, the pushrod system is generally easier to manufacture and maintain. This simplicity often results in lower production costs, making it a popular choice for many automotive manufacturers.However, there are also some disadvantages to the pushrod design. For instance, because the pushrod must travel a longer distance compared to an OHC system, it can introduce delays in valve actuation. This delay can limit the engine's ability to rev at higher RPMs, which is why many high-performance engines prefer the OHC design. Despite these drawbacks, pushrod engines remain popular in various applications, particularly in muscle cars and trucks where low-end torque is more critical than high RPM performance.In conclusion, the pushrod is a vital component in many internal combustion engines, playing a key role in the operation of the valve train. Its design and functionality illustrate the balance between performance, simplicity, and cost-effectiveness that engineers strive to achieve in automotive design. As technology continues to advance, it will be interesting to see how the role of the pushrod evolves and adapts to meet the demands of modern engines. Whether in classic muscle cars or contemporary vehicles, the pushrod remains an essential part of the intricate machinery that powers our automobiles.

推杆是汽车发动机中的一个重要部件，它在发动机的运作中扮演着重要角色。推杆是一种圆柱形杆，用于内燃机中将运动从凸轮轴传递到发动机的气门。理解推杆的工作原理可以帮助我们欣赏现代发动机的复杂设计及其性能能力。在典型的顶置气门（OHV）发动机中，推杆作为连接凸轮轴和气门之间的连接链。当凸轮轴旋转时，它会推动推杆，而推杆又推动摇臂。这一动作使摇臂发生支点转动，从而打开或关闭气门。这一过程的精确时序对于发动机的高效运作至关重要，使空气和燃料能够进入燃烧室，废气得以排出。推杆的设计随着时间的推移而不断演变，使用了各种材料和形状，以增强性能和耐用性。传统上，推杆由钢制成，但技术的进步使得轻质材料如铝和复合材料的使用成为可能。这些创新有助于减少发动机的整体重量，同时保持强度和可靠性。使用推杆系统的一个优点是其简单性。与需要更复杂机制来操作气门的顶置凸轮（OHC）设计相比，推杆系统通常更易于制造和维护。这种简单性通常导致生产成本较低，使其成为许多汽车制造商的热门选择。然而，推杆设计也存在一些缺点。例如，由于推杆必须比OHC系统走更长的距离，因此可能会引入气门动作的延迟。这种延迟可能限制发动机在较高转速下的运转能力，这就是为什么许多高性能发动机更喜欢OHC设计。尽管存在这些缺点，推杆发动机在各种应用中仍然受欢迎，特别是在肌肉车和卡车中，低转速扭矩比高转速性能更为重要。总之，推杆是许多内燃机中的一个重要组成部分，在气门机构的运作中发挥着关键作用。它的设计和功能展示了工程师在汽车设计中努力实现的性能、简单性和成本效益之间的平衡。随着技术的不断进步，推杆的角色将如何演变和适应现代发动机的需求将是一个有趣的课题。无论是在经典的肌肉车还是现代汽车中，推杆仍然是驱动我们汽车的复杂机械装置中不可或缺的一部分。