Wall cranes are jib cranes mounted on the inside walls of buildings, used to lift heavy objects within a semi-circular area. They have a horizontal lifting element or ‘jib’ and can be operated manually or via a motorized control system. There are two types of wall cranes: cantilever and tie rod. They offer advantages such as reduced installation costs, space-saving, and portability, but have lower lifting capacity and require suitable supports to prevent structural damage.
A wall crane is a type of jib crane that can be mounted on the inside walls of a building. It allows users to move or lift heavy objects that they would not be able to move by hand. Since it is mounted on a wall, the Wall Crane can only move objects within a semi-circular area. Depending on the model, the wall cranes can be operated via a manual pull chain or a motorized control system.
The main component of a wall mounted crane is the horizontal lifting element, or ‘jib’. One end of the arm is attached to a bracket or wall mounting system, while the other is fitted with a hook, cables or other form of lifting system. Depending on the unit, the arm can move up and down or side to side along the height or width of the wall. The whole arm often moves along guides or rails, although some just hinge on the wall so that only the lifting mechanism moves. Some wall mounted cranes also feature a telescopic boom to create more flexibility in terms of reaching objects.
There are two basic varieties of wall cranes to choose from, and each is classified according to their mounting requirements. A cantilever wall crane features a boom mounted at the top of the wall. This type of unit is ideal for maximizing lift area in low ceiling applications. A tie rod wall crane features a jib positioned halfway up the wall, with the jib supported by tie rods connected to the floor or ceiling. This design is cheaper and works best in areas with large enough ceiling heights.
Wall-mounted jib cranes offer a number of advantages over other crane designs. Because they mount directly to support columns within the wall, they don’t require complex footings or foundation systems. This significantly reduces installation costs and allows the wall crane to be used in a wider variety of applications than many other types of hoisting systems. By mounting the crane to the wall, users also save floor space, making these cranes the optimal choice for warehouses or confined work spaces. Wall cranes are also relatively small and portable compared to other types of lifting equipment and tend to be quite low in cost.
Due to their small size, however, wall cranes generally have a lower lifting capacity than tower cranes or large hoist systems. When mounted on the walls of a building, they often place significant stress on the building’s structural support columns. To prevent these columns from failing, buyers should consult a structural engineer to design suitable supports for wall mounted cranes.
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