Long-range laser measurement systems automate unloading of ships
The rapidity and precision of the LD-LRS long-range laser measurement system during measurement of the height of container stacks in ports, or the detection of bulk materials in a ship's hold, are compelling. It can achieve ranges of up to 250 m depending on the object's reflectivity properties. The measurement data undergo application-specific conversion in a separate system processor and can be used for, among other things, determining positions, detecting obstacles, or controlling conveyor and loading or unloading systems.
The LD-LRS laser measurement system scans a stack of containers or a cone of bulk material without contact. Thanks to powerful laser optics it achieves ranges of up to 250 m with high object reflectivity. In the case of low reflectivity values of about 10% the range is still 80 m. This is sufficient to reliably and accurately detect, for example, dark containers or bulk materials in the hold of a ship from the crane jib. In addition to a first digital signal processor (DSP) for controlling the measurement system, each LD-LRS has a second DSP via which the measured values determined are application-specifically converted and can be transmitted via Ethernet, RS 232 or RS 422. Suitable for outdoor use
The device is available in an IP 67 housing for outdoor use. The short-range blanking specially developed for this purpose ensures that the front screen of the protective housing does not impair the function and accuracy of the measurement system within it. Determining container stack height saves 15 % handling time
One area of use is the automation of ship-to-shore cranes for loading and unloading container ships. Analyses have shown that the faster raising and lowering movements of the crane trolleys on jib cranes, and the optimised container transport path, can result in time savings of up to 15 %. In addition, there is increased handling safety, as the measurement system installed on the jib often has a better view of the container than the crane operator. The pivoting or travelling LD-LRS determines the width, height and length of a stack of containers. The measurement system calculates a 3-D image from the profile data and then the target positions to be approached for container uptake. At the same time the measurement values serve to optimise the transport path of the crane trolley. Optimised material removal through profile measurement of loose bulk material
The LD-LRS can also detect bulk materials in outdoor storage areas, or in bunkers, very precisely. The bulk material filling state is translated into a 3-D model. This makes material mounds or pits "visible" for the control of loading systems. Therefore removal can always take place where the most material is present. Neither differing bulk material constituents, grain sizes, dampness, or compacting, nor fluctuating light conditions lead to any spurious measurements.
Laser measurement technology at ports is "in" – numerous SICK laser measurement systems are employed for a variety of port automation tasks worldwide.
Suitable for outdoor use
The device is available in an IP 67 housing for outdoor use. The short-range blanking specially developed for this purpose ensures that the front screen of the protective housing does not impair the function and accuracy of the measurement system within it. Determining container stack height saves 15 % handling time
One area of use is the automation of ship-to-shore cranes for loading and unloading container ships. Analyses have shown that the faster raising and lowering movements of the crane trolleys on jib cranes, and the optimised container transport path, can result in time savings of up to 15 %. In addition, there is increased handling safety, as the measurement system installed on the jib often has a better view of the container than the crane operator. The pivoting or travelling LD-LRS determines the width, height and length of a stack of containers. The measurement system calculates a 3-D image from the profile data and then the target positions to be approached for container uptake. At the same time the measurement values serve to optimise the transport path of the crane trolley. Optimised material removal through profile measurement of loose bulk material
The LD-LRS can also detect bulk materials in outdoor storage areas, or in bunkers, very precisely. The bulk material filling state is translated into a 3-D model. This makes material mounds or pits "visible" for the control of loading systems. Therefore removal can always take place where the most material is present. Neither differing bulk material constituents, grain sizes, dampness, or compacting, nor fluctuating light conditions lead to any spurious measurements.
Laser measurement technology at ports is "in" – numerous SICK laser measurement systems are employed for a variety of port automation tasks worldwide.
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