Performance features

The underslung travelling crane:

─     The underslung travelling crane is manufactured in EDL und DLVM versions from a solid-walled I-beam.

─     The underslung travelling crane is manufactured in a EDK version from a welded, torsion-rigid box girder. All four outer welds are welded at the same time.

─     The underslung travelling crane is fitted with a type E wire rope hoist (single-rail trolley) or an ABUCompact chain hoist.

─     The standard crane is equipped with a mobile control. This ensures the position of the pendant control is independent of the trolley position.

─     The crane is controlled using the pendant control “ABUCommander”. The pendant control has two-stage buttons with which the crane can be controlled at low and high speed for travel or lifting. As a variation, the crane can also be controlled using a radio remote control.

─     The trolley and the mobile control come as standard with a festoon cable system connected to the rest of the crane electrical system. As a variation, the trolley and the mobile control can be connected to the rest of the crane electrical system with an energy chain.

─     The crane is supplied with power via a conductor system. This is mounted parallel to the crane track. The conductor system is designed according to the conditions (thermal stress, length, voltage drop,…).

 

 

The underslung travelling crane with two trolleys:

─     The crane is equipped with two trolleys. These can be controlled using a joint pendant control (or transmitter). This improves safety during the transportation of e.g. long or bulky loads.

─     The trolleys are labelled “Trolley I” and “Trolley II” on the wire rope hoist and on the pendant control.

 

 

The end carriages:

─     The end carriages are fully-automatic, welded box girders.

─     The end carriages are connected to the main girders using high-tensile bolts, apart from the DLVM on which the end carriages are welded to the main girder.

─     The end carriages have safety buffers to prevent damage if the crane runs into the end of the crane track or into another crane.

 

 

The travel mechanisms:

─     The travel mechanisms hang on the lower flange of the crane track.

─     The travel mechanisms consist of two side panels on which the wheels are fitted.

─     The travel mechanism can be adjusted to the width of the crane track lower flange using spacer discs.

 

 

The drive:

─     The drive is designed as a pole-variable three-phase motor with electromagnetic brake and gear unit.

─     The drive's gear unit is a maintenance-free, two-stage helical gear unit.

─     The drive has a low and a high travel speed. The ratio of the two travel speeds is 1/4.

─     The drive brakes reliably through an electromagnetic disc brake even if the mains supply is shut off or a power outage occurs.

─     Using plug-in connections in the connector housing directly on the drive, the drive can be quickly disconnected from the rest of the crane electrical system.

 

 

The crane electrical system:

─     The crane electrical system is stored in the crane panel on the end carriage.

─     The crane electrical system has the protection rating IP 55.

─     The crane electrical system is protected by regular fuse links in its main fuse.

─     The crane electrical system has mechanically interlocked directional contactors. This ensures that the drives cannot be connected to both directions of travel at the same time. This would cause a short circuit.

─     The crane electrical system is particularly service-friendly due to screwless terminals and wiring in cable ducts.

─     The crane electrical system is switched centrally through the main contactor. It is located in the crane panel. If the emergency stop button is pressed or if an emergency stop is triggered for other reasons, the main contactor switches off the power for all drives.

─     As a result of plug-in connections between all crane components, the crane electrical system is particularly maintenance-friendly.

 

 

The crane travel limit switches:

─     The crane travel limit switch is realised through a cross-type limit switch.

─     Crane travel limit switches are mainly used in the direction of the crane track end as motion restrictors.

─     The crane travel limit switches (option) can be designed with a braking and/or shut-down function.

─     The crane travel limit switches switch the crane to low speed with the braking function just before the end of the crane track. This prevents the crane from running into the end of the crane track at high speed and causing the load to swing.

─     The crane travel limit switches with the shut-down function (option) completely switch off the crane travel drive immediately before the end of the crane track. The shut-down function is particularly useful for certain safety switches.