Gantry cranes, also known as portal cranes or overhead cranes, are large, powerful machines used for lifting and moving heavy loads in various industrial settings. They are designed with a horizontal beam supported by two or more legs that can be moved along rails or tracks. The beam, known as the bridge or gantry, provides a stable platform for the hoisting mechanism.
The primary purpose of gantry cranes is to lift and transport heavy objects within a defined area, such as a warehouse, shipyard, construction site, or manufacturing facility. These cranes are incredibly versatile and can handle a wide range of loads, from small containers to massive machinery. Gantry cranes are particularly well-suited for outdoor applications where overhead support structures, such as buildings or ceilings, are not available.
Gantry cranes come in various sizes and configurations to accommodate different lifting requirements. They can be classified based on their mobility and the type of structure they are built on. The two main types of gantry cranes are:
- Fixed Gantry Crane: This type of crane is permanently installed in a specific location, often used in warehouses or factories. It is typically supported by a system of rails or tracks embedded in the floor, allowing the crane to move along a predetermined path. Fixed gantry cranes are known for their stability and precision, making them ideal for repetitive lifting tasks.
- Mobile Gantry Crane: Unlike fixed gantry cranes, mobile gantry cranes are designed to be portable and flexible. They are mounted on wheels or casters, allowing them to be easily moved and positioned wherever needed. Mobile gantry cranes are commonly used in outdoor applications, such as construction sites or shipyards, where the lifting needs change frequently.
Gantry cranes are equipped with various lifting mechanisms, such as wire ropes, chains, or hydraulic systems, depending on the specific requirements of the lifting task. They are also equipped with hoists or trolleys that move along the horizontal beam, allowing precise placement and positioning of the load.
Safety is of utmost importance when operating gantry cranes due to the significant loads they handle. Proper training and adherence to safety protocols are crucial to prevent accidents and ensure the well-being of operators and those working in the vicinity of the crane.
Gantry cranes are powerful machines used in industrial settings to lift and move heavy loads. Their versatility, mobility, and precision make them indispensable in a wide range of applications. Whether fixed or mobile, gantry cranes play a vital role in streamlining material handling processes, improving efficiency, and enhancing productivity in various industries.
American Surplus has used gantry cranes available with adjustable heights which can be used for shipping, manufacturing, or any heavy lifting operation. With an all-steel construction and a weight capacity of 4,000 pounds or more, a gantry crane can be a great asset to any warehouse. They are also equipped with heavy-duty casters to make mobility easy. Speak with a member of our sales team to learn more about our current inventory of used gantry cranes, as well as our full selection of used lift equipment.