Material or article handling – Marine loading or unloading system – Marine vessel to/from shore
Patent
1998-12-30
2000-05-30
Hess, Douglas
Material or article handling
Marine loading or unloading system
Marine vessel to/from shore
4141401, 4141403, 4141404, 4141413, 4141374, 212325, 212326, B63B 2710
Patent
active
060684356
DESCRIPTION:
BRIEF SUMMARY
The present invention refers to a goods handling system incorporating a mobile unit for loading and unloading goods, preferably arranged on load carriers, e.g. pallets, to and from a ship or the like, and which unit incorporates at least one substantially horizontal transport arm with at least one transport track arranged along it and being equipped at each end thereof with a first and a second substantially vertical lifting device with a vertically adjustable load platform.
BACKGROUND OF THE INVENTION
Loading and unloading at transport of unit goods on load carriers, such as standard pallets is to a large extent still often done manually via available crane equipment, and it is very time consuming. Sometimes it has been shifted to containers, which method is an expensive means of transport, especially in the case of refrigerated goods, and the available loading space can not be utilised to a maximum extent.
From U.S. Pat. No. 4,878,796 is earlier known a goods handling system for loading and unloading ships, where a load cage for transport of the goods to and from the ship is guided by two guides located outside the load cage. The guides are heavy I-beams and have a length corresponding to the depth of the cargo hold plus the part required above the ship. This means that only the guide has such a large weight that it can be handled only by means of a crane. The lower end of the guides are placed on the bottom of the cargo hold, thereby forming a base for an elevator-like lifting device. At position adjustment of this lifting device it is necessary that the crane lifts the "elevator" somewhat, whereupon the telescopic transport arm can be extended or retracted. This is a rather circumstantial and time consuming operation, which furthermore requires that the crane is manned.
PURPOSE AND MOST ESSENTIAL FEATURES OF THE INVENTION
The purpose of the invention is to provide a goods handling system, the mobile unit of which hatches; personnel; thermally insulated conditions; ship.
With use of the same automatic gear it shall furthermore be possible to incorporate the goods handling system in the other handling system on the quay, i.e. from the mobile unit via transport vehicles to the harbour warehouse or to freight wagons/containers and vice versa.
SOLUTION OF THE PROBLEM
These tasks have been solved in that the second lifting device is constituted by a line system arranged in the upper part of the transport arm and having a free-hanging load platform, platform into a receiving station in level with the transport track at the end of the lifting phase, driven transporters, which are arranged to be activated when the platform is situated in the receiving station, and traverse crane, the trolley of which is displaceable on a crane bridge arranged transversally to the longitudinal direction of the transport arm, and which crane bridge is movable along a fixed trolley runway arranged in the longitudinal direction of the traverse crane.
DESCRIPTION OF THE DRAWINGS
Herebelow the invention will be further described in connection to some embodiments, with reference to the accompanying drawings.
FIG. 1 shows the goods handling unit according to the invention in a side view during loading or unloading of a ship, which is shown in cross section.
FIG. 2 shows the goods handling unit according to FIG. 1 in a view from above.
FIG. 3 shows the goods handling unit according to FIGS. 1 and 2 in a front view.
FIGS. 4, 5 and 6 are views corresponding to FIG. 1, 2 and 3 and showing a modified embodiment of the goods handling unit.
FIG. 7 shows a side view of a third embodiment, which is mounted on a ship.
FIG. 8 shows in bigger scale a part of a transport arm according to a modified embodiment.
FIG. 9 shows in bigger scale a part of a transport arm according to a modified embodiment.
DESCRIPTION OF EMBODIMENTS
The goods handling system is built up around a central, mobile handling unit 11, as a link between a ship and the quay, but also as a part in the continued transport from the quay via a transport vehicle to a ha
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Hess Douglas
Wiab Widholms Industri AB
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