APPARATUS AND METHOD FOR MEASURING THE CENTER OF GRAVITY OF SLABS

• Main Authors: KIM, DONG WOOK, KIM, JOO MAN, HUR, YOUNG HO, PARK, KI KWAN, KIM, YOUNG SOO
• Format: Patent
• Language: English
• Published: 12.02.2009
• Subjects: CRANES; HAULING; HOISTING; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; MEASURING; PERFORMING OPERATIONS; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR; TRANSPORTING

An apparatus and a method for measuring the center of gravity of a slab are provided to confirm the center of gravity of a slab loaded in a vehicle and moved rapidly and correctly and grip the center of gravity of the slab with an unmanned crane to prevent the unmanned crane from dropping the slab due to eccentricity of the slab. An apparatus for measuring the center of gravity of a slab includes a main system, a centroid measurement system(500) and an unmanned crane. The main system provides information on the size and/or weight of each slab loaded in a vehicle. The centroid measurement system includes a photographing unit(100), a driver(200) and a controller(400). The photographing unit takes pictures of slabs. The driver vertically moves the photographing unit. The controller calculates the centers of gravity and gripping points of slabs transferred one time by using position and shape information of each slab, obtained through the photographing unit, and size or weight information received from the main system. The unmanned crane grips and transfers the slabs according to gripping point information obtained by the centroid measurement system.