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The term "gantry crane" tends to get thrown around a lot in the material

handling industry. We often find that when folks say gantry crane, they're often

referring to an overhead bridge crane system. A gantry crane and bridge crane are actually

very different types of overhead cranes. A gantry crane is a type of overhead crane with a

single or double girder configuration supported by freestanding legs that move on wheels or

along a track or rail system. Gantry cranes are usually considered when there is a reason

not to incorporate an overhead runway system.

These are typically used for an outdoor application or below an existing overhead

bridge crane system. Unlike a bridge crane, a gantry crane does not need to be tied into a

building's support structure - eliminating the need for permanent runway beams and

support columns. In some cases, this can result in a significant reduction in material

costs and can be a more cost-effective solution compared to a similarly specified bridge

crane.

Larger gantry systems may run on a rail or track embedded in the ground, typically in a

straight line in a dedicated work area. Smaller portable gantry systems run on castors or

wheels and can be moved about a facility for maintenance or light fabrication work. And

there are different types of Gantry Crane Systems.

Full Gantry Crane Systems

Full gantry crane systems are the most popular configuration—consisting of two legs

that ride on rail that is embedded flush with the top surface of the floor. They typically

run in a straight line in a dedicated work area. This design allows motorized equipment

like scissor lifts, fork lifts, carts, and trucks to roll over it and cross through

underneath the crane.

Semi-Gantry Crane Systems

Gantry cranes can also be designed with one leg riding on wheels or rails and the other

side of the crane riding on a runway system connected to building columns or a side wall of

the building structure. These are advantageous because they can save you floor space / work

space. Unlike a bridge crane, this setup doesn’t need two runways supported by or tied

back to building columns.

Portable Gantry Crane Systems

Portable gantry cranes are smaller lighter-duty gantry systems that run on casters or

rubber wheels. These wheels allow the user to move it throughout a facility to handle

various materials or loads. When they're empty and not under load, they can be moved or

stored anywhere throughout a shop or into different work cells to offer greater space-

saving and floor space flexibility.

Full gantry or semi-gantry cranes are commonly used for heavy fabrication applications,

or in some type of outdoor yard—rail yards, shipping and container yards, steel yards, and

scrap yards. They're also very popular for cement and precast applications for areas

where they're forming and curing slab concrete. Their design allows them to be used

outdoors and also allows forklift trucks and other motorized traffic to work and cross

through underneath.

Typically, portable gantry cranes are used to lift and hold something in place while

it's being worked on, fabricated, or assembled. The load isn't necessarily being

moved through the facility, but the gantry itself can be moved around to work on different

parts or equipment. Portable gantry systems can also offer more flexibility than a jib

crane or workstation crane. A jib crane typically has to be installed onto a poured

concrete foundation and once it's installed - it's pretty much permanent. A smaller

portable gantry crane can perform the same type of work as a jib crane, but can be moved

about your facility as your business grows and you begin optimizing and laying out

warehouse space.

Developed by these kinds of Gantry Crane Systems, there are also some different Gantry

Crane for different usage such as Single Beam Rubber Tired

Gantry Crane, Boat Lift Gantry Crane, Launching Gantry Crane(or called Launch Gantry Cranes), Rubber Tired Gantry Cranes, etc. Besides many other

cranes are widely used the the industrial production like Double Beam Rubber Tired Crane, Shipyard Boat Lift Crane, Portal Jib Crane,

Marine Boat Lift

Crane, Yacht Hoist Crane, etc.

Beroep

http://www.mhicrane.com/launching-gantry-crane/
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