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Bridge Crane Designs

Airpes designs are adapted to the needs of every customer in terms of industry, use, space and performance.

From the electronic limiter Eagle, considered the brain to your industrial crane, to our C-hooks and lifting beams, we offer a wide range of possibilities to move your loads the safest way possible. Check out everything Airpes has for you and let us make your job easier.

One of the most used and versatile crane designs -specially for indoor use- is the bridge crane, as known as overhead cranes. This type of crane can operate inside the operation room without taking space from workers or other facilities -or taking just a little. Let us explain you the different types of indoor bridge crane designs and what are the pros and cons of each of them.

Gantry Cranes

This design is basically a 4 leg crane moving on wheels or on a rail. It is mostly used in piers and harbours and is one of the bridge crane designs we can see outdoors. For simplifying the design and the installation needed to run it, it is usually powered with a diesel engine for giving it complete autonomy and being wire-free. Some gantry cranes are installed inside buildings, especially for moving low weights and small objects, and those yes, are electric powered. When it has wheels it can move and rotate in any direction.

Pros: easy to install, freedom of movement and lower cost

Cons: the rails/wheels use working space and can be dangerous for goods and workers

granty bridge crane design

Semi-Gantry Cranes

The semi-gantry crane basically is a gantry crane with one of its sides moving on an aerial rail. This is one of the bridge crane designs also used both in indoor and in outdoors, but with this design the whole crane moves just back and forward, so you can’t install wheels and you lose the 360º mobility. The aerial side of the crane allows more comfortable moving of the loads. The side of the crane that is moving on the ground on rails is usually placed in the end of the building or next to the walls for not impeding freedom of movement of workers and machinery. It is a good option if you want to move heavy loads but can’t install a pillar structure on both sides of the crane.

Pros: easy to install, higher loading capacity, more stability

Cons: need to protect the side moving on the floor from goods/people

Single Rail Cranes

This is the most used of all the overhead bridge crane designs. It is a single block moving through rails, with the hoist installed in one side. They are installed at indoor facilities, next to the ceiling of the warehouse. Installation needs two rails on both sides, with strong pillars that can support the whole structure of the crane and the loads that need to be moved. This kind of crane usually can move heavy loads in a very precise way and will not use space under it.

Pros: precise, powerful, safe for workers and goods.

Cons: needs the installation of a strong infrastructure of pillars to suspend the rails on them.

single rail bridge crane design

Double Rail Cranes

This is one of the most used bridge crane desings. It is a stronger version of the single rail crane, allowing to work with higher loads, it moves faster and the hoist can use the whole longitude of the cable because it will be in a higher position. The hoist is usually placed in the middle of the two rails, so it will give the whole mechanism a lot more of stability and strengthness.

Pros: stable, precise, powerful, allows to go higher with the load

Cons: mechanism is more complex and needs more maintenance

double rail bridge crane design

Suspended Bridge Crane Designs (no pillars)

You need a bridge crane but don’t want to or can’t install the rails on pillars? Don’t worry, you have the option of installing a suspended bridge crane design: the rails will be suspended in the air and supported by the structure of the building itself. It gives a 100% clean working surface below the crane. However this bridge crane design allows only to move small loads in low height buildings

Pros: perfect for small height buildings

Cons: can’t move heavy loads

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