Overhead cranes are special pieces of equipment that are designed for lifting and moving heavy objects in industrial settings. While these cranes come in quite a few different styles, they do have some common characteristics. To understand more about what these cranes are and how they work, check out this detailed overview of overhead bridge cranes.
Overhead cranes that are used inside of buildings are usually mounted on tracks that run parallel to one another along two walls that are directly across from one another. A large girder bridges the gap between the two tracks, which is why these cranes are often referred to as bridge cranes(puentes grúas).
A special component known as a trolley is designed to move smoothly along the length of the girder. The trolley carries a hoist, which is a special lifting tool that can be attached to loads on the ground to raise them up into the air.
To use the crane, the crane operator begins by moving the girder along the track until it is positioned over the waiting load. They then fine-tune the position by moving the trolley backward or forward along the girder until the hoist is directly over the item that is going to be lifted. The hook from the hoist is then attached to the load. Once it is secure, it is raised up above the ground and moved wherever it needs to go.
Gantry cranes(Grúas de pórtico) are overhead cranes that are mounted on legs rather than attached to the walls of buildings. The girder is attached to the top of two large legs. At the base of each leg, there are wheels that enable the crane to be moved around. Like other types of bridge cranes, gantry cranes are also equipped with a trolley and hoist.
Using one of these cranes is essentially the same as using a bridge crane that is mounted to walls inside a building. The primary difference is that the crane moves into position using the wheels that are attached to its legs.
One of the advantages of gantry cranes is that they don’t need to be attached to the walls of a structure. That means that they can be used in extremely large buildings or outdoors. This provides a lot of versatility for the businesses that use them.
Overhead cranes are usually designed to lift extremely heavy objects. In fact, there are cranes available that can lift loads weighing 100 tons or more. Because of their heavy lifting capacity, they are most frequently used in industrial applications(aplicaciones industriales).
Some of the most common industries where they are used include shipbuilding, manufacturing, shipping, steel production, mining, and warehousing. Even though the cranes used in these industries vary in terms of their strength, they all share a lot of the same design characteristics.
Hopefully, this overview of overhead bridge cranes gives you a deeper understanding of what these cranes are and how they work. They play a vital role in many industries, making them a valuable tool for today’s businesses.
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