pinch bar

简明释义

把手

英英释义

例句

1.He demonstrated how to safely handle a pinch bar 撬杠 during the workshop.

他在研讨会上演示了如何安全地使用撬杠。

2.The construction crew relied on a pinch bar 撬杠 to move the large beams into place.

施工队依靠一根撬杠将大型梁移动到位。

3.When digging the trench, we found it easier to use a pinch bar 撬杠 to break through the hard soil.

在挖沟时，我们发现使用撬杠来打破坚硬的土壤更容易。

4.To lift the heavy stone, we used a pinch bar 撬杠 to get it into position.

为了抬起那块重石头，我们用了一根撬杠来将它放到位。

5.Using a pinch bar 撬杠 can help you leverage your strength when moving heavy objects.

使用撬杠可以帮助你在移动重物时更好地利用力量。

作文

In the world of construction and heavy lifting, tools play a crucial role in ensuring efficiency and safety. One such tool that stands out is the pinch bar, which is often overlooked by those unfamiliar with its utility. A pinch bar is a long, sturdy metal lever that is used primarily for prying and moving heavy objects. Its design allows for significant leverage, making it an essential tool for various tasks, from lifting heavy stones to shifting large wooden beams.The history of the pinch bar dates back to ancient times when laborers needed effective means to manipulate heavy materials without modern machinery. The simplicity of its design—typically a long steel rod with a pointed end—makes it easy to use yet highly effective. Workers can insert the pointed end under a heavy object, and by applying force to the other end, they can lift or shift the object with relative ease. This principle of leverage is fundamental in physics and is what makes the pinch bar so effective in its function.In practical applications, the pinch bar is invaluable on construction sites, during landscaping projects, and even in demolition work. For instance, when a contractor needs to remove a large rock from a site, they can use a pinch bar to pry it loose from the ground. By inserting the pointed end into the earth around the rock, the contractor can leverage the weight of the rock against the force applied to the other end of the bar, effectively lifting it out of its resting place.Moreover, the pinch bar is also commonly used in railroad maintenance. Workers utilize this tool to adjust the position of heavy railroad ties and tracks. By applying the necessary pressure at the correct angle, they can ensure that the tracks are aligned properly, which is vital for the safety and efficiency of train operations. This application highlights the versatility of the pinch bar across different industries.Safety is another important aspect when using a pinch bar. Like any tool, improper use can lead to accidents. It is essential for workers to be trained in the correct techniques for using a pinch bar to avoid injuries. Wearing appropriate safety gear, such as gloves and steel-toed boots, is also recommended when working with heavy objects and tools. Understanding the mechanics of leverage and the proper stance when using a pinch bar can greatly reduce the risk of injury.In conclusion, the pinch bar may seem like a simple tool, but its effectiveness and versatility make it a staple in various fields, particularly in construction and maintenance. By understanding how to use a pinch bar correctly, workers can enhance their productivity while ensuring their safety. As technology continues to advance, it is important to remember the value of traditional tools like the pinch bar, which have stood the test of time and remain essential for many tasks today.

在建筑和重物搬运的世界中，工具在确保效率和安全方面起着至关重要的作用。其中一种突出的工具是pinch bar，对于那些不熟悉其用途的人来说，它常常被忽视。pinch bar是一种坚固的金属杠杆，主要用于撬动和移动重物。它的设计允许显著的杠杆作用，使其成为各种任务的必备工具，从提升重石到移动大型木梁。pinch bar的历史可以追溯到古代，当时工人们需要有效的方法来操纵重材料，而没有现代机械。其设计的简单性——通常是一根长钢杆，尖端有一个尖头——使其易于使用但效果极佳。工人可以将尖端插入重物下方，通过施加力量于另一端，他们可以相对轻松地举起或移动该物体。这种杠杆原理是物理学的基本原理，也是使pinch bar如此有效的原因。在实际应用中，pinch bar在建筑工地、园林绿化项目甚至拆除工作中都是无价之宝。例如，当承包商需要从现场移除一块大石头时，他们可以使用pinch bar将其撬松。从石头周围的土壤中插入尖端，承包商可以利用石头的重量与施加在杠杆另一端的力量相对，成功将其从原位提升出来。此外，pinch bar在铁路维护中也很常见。工人利用这种工具调整重型铁路枕木和轨道的位置。通过在正确的角度施加必要的压力，他们可以确保轨道的正确对齐，这对列车操作的安全和效率至关重要。这一应用突显了pinch bar在不同领域的多功能性。安全是使用pinch bar时另一个重要方面。像任何工具一样，不当使用可能导致事故。工人必须接受正确使用pinch bar的培训，以避免受伤。在处理重物和工具时，穿戴适当的安全装备，如手套和钢头靴也是建议的。理解杠杆的机制以及使用pinch bar时的正确姿势可以大大降低受伤的风险。总之，pinch bar看似简单，但其有效性和多功能性使其在各个领域，尤其是在建筑和维护中，成为一种基础工具。通过了解如何正确使用pinch bar，工人可以提高生产力，同时确保自身安全。随着技术的不断进步，记住像pinch bar这样的传统工具的价值是很重要的，这些工具经受住了时间的考验，仍然是今天许多任务的必需品。